http://packetstormsecurity.org/UNIX/admin/xscreensaver-4.01.tar.gz

author Zygo Blaxell <zblaxell@hungrycats.org>

Mon, 2 Mar 2009 05:42:52 +0000 (00:42 -0500)

committer Zygo Blaxell <zblaxell@faye.furryterror.org>

Fri, 8 Feb 2013 17:53:47 +0000 (12:53 -0500)
author Zygo Blaxell <zblaxell@hungrycats.org>
Mon, 2 Mar 2009 05:42:52 +0000 (00:42 -0500)
committer Zygo Blaxell <zblaxell@faye.furryterror.org>
Fri, 8 Feb 2013 17:53:47 +0000 (12:53 -0500)
diff --git a/Makefile.in b/Makefile.in

index c68875c530d0f883dad1c091c954e9426f2a0ebf..aa66e317492dfcfc247935ea30a2393d52b3e18c 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -174,18 +174,23 @@ rpm::
    DIR=`pwd`/rpm_build ;                                                           \
    ARCH=`rpm --showrc | sed -n 's/^build arch *: //p'` ;                           \
    ADIR=archive/ ;                                                         \
    DIR=`pwd`/rpm_build ;                                                           \
    ARCH=`rpm --showrc | sed -n 's/^build arch *: //p'` ;                           \
    ADIR=archive/ ;                                                         \
+  TGZ=xscreensaver-$$VERS.tar.gz ;                                        \
+  if [ ! -f $${ADIR}$$TGZ ]; then                                         \
+    echo "$${ADIR}$$TGZ does not exist!  Did you forget to \`make tar'?" ; \
+    exit 1 ;                                                              \
+  fi ;                                                                    \
    rm -rf /var/tmp/xscreensaver-$$VERS-root ;                              \
    rm -rf $$DIR ;                                                          \
    mkdir $$DIR ;                                                                   \
    ( cd $$DIR; mkdir BUILD RPMS RPMS/$$ARCH SOURCES SPECS SRPMS ) ;        \
    rm -rf /var/tmp/xscreensaver-$$VERS-root ;                              \
    rm -rf $$DIR ;                                                          \
    mkdir $$DIR ;                                                                   \
    ( cd $$DIR; mkdir BUILD RPMS RPMS/$$ARCH SOURCES SPECS SRPMS ) ;        \
-  cp -p $${ADIR}xscreensaver-$$VERS.tar.gz $$DIR/SOURCES/ ;               \
+  cp -p $${ADIR}$$TGZ $$DIR/SOURCES/ ;                                    \
    rpm --define "_topdir $$DIR"                                            \
        --define "USE_GL yes"                                               \
        -v -ba xscreensaver.spec ;                                          \
    echo '' ;                                                               \
    echo 'RPM build complete' ;                                             \
    echo '' ;                                                               \
    rpm --define "_topdir $$DIR"                                            \
        --define "USE_GL yes"                                               \
        -v -ba xscreensaver.spec ;                                          \
    echo '' ;                                                               \
    echo 'RPM build complete' ;                                             \
    echo '' ;                                                               \
-  rm -f $$DIR/xscreensaver-$$VERS.tar.gz ;                                \
+  rm -f $$DIR/$$TGZ ;                                                     \
    rm -rf $$DIR/BUILD/xscreensaver-$$VERS ;                                \
    mv $$DIR/SRPMS/xscreensaver*-$$VERS-*.rpm . ;                                   \
    mv $$DIR/RPMS/$$ARCH/xscreensaver*-$$VERS-*.rpm . ;                     \
    rm -rf $$DIR/BUILD/xscreensaver-$$VERS ;                                \
    mv $$DIR/SRPMS/xscreensaver*-$$VERS-*.rpm . ;                                   \
    mv $$DIR/RPMS/$$ARCH/xscreensaver*-$$VERS-*.rpm . ;                     \
diff --git a/README b/README

index d9d3abf467de7c591f312bbedcc4a0731814b284..bd6de77d3f15d8677bfc83973af0cc41401c140e 100644 (file)
--- a/README
+++ b/README
@@ -60,7 +60,7 @@ Along with the xscreensaver daemon itself, this package also includes
  numerous graphics hacks for use as screensavers.  There is nothing magic
  about these: they are just programs that draw on the root window.
  
  numerous graphics hacks for use as screensavers.  There is nothing magic
  about these: they are just programs that draw on the root window.
  
-More than 120 such programs are included.  For details, see the xscreensaver
+More than 140 such programs are included.  For details, see the xscreensaver
  web page, or the enclosed manual pages.
  
  The latest version of xscreensaver is always available on the web at
  web page, or the enclosed manual pages.
  
  The latest version of xscreensaver is always available on the web at
@@ -68,7 +68,39 @@ http://www.jwz.org/xscreensaver/.
  
                                ============
  
  
                                ============
  
-Changes since 3.34:   * Redesigned `xscreensaver-demo' GUI.
+Changes since 4.00:   * New hacks: `twang', `glsnake', `boxed', `sballs',
+                        and `glforestfire'.
+                      * New hacks `apollonian', `euler2d', `juggle',
+                        `polyominoes' and `thornbird', from xlockmore.
+                      * Merged recent xlockmore changes into `ant', `braid',
+                        `demon', `discrete', `drift', `fadeplot', `forest',
+                        `grav', `hopalong', `ifs', `laser', `lightning',
+                        `lisa', `lissie', `loop', `mountain', `penrose',
+                        `rotor', `sierpinski', `slip', `sphere', `spiral',
+                        `strange', and `vines'.
+                      * Fixed the `gltext' bug that sometimes caused
+                        horizontal lines to vanish again.  This time for sure.
+                      * Sped up `webcollage' by adding a C helper program to
+                        replace the PPM pipeline.  It also pastes images
+                        semi-transparently now.
+                      * Added support for the gdk_pixbuf library: if this lib
+                        is available, then `blitspin', `xflame', and `flag'
+                        can load GIF, JPEG, and PNG images in addition to XPM
+                        and XBM.
+                      * Fixed a rare race condition where the desktop-grabbing
+                        hacks could sometimes leave the screen wedged, if the
+                        user moved the mouse exactly when they were grabbing
+                        the screen image (it would un-wedge the next time the
+                        saver timed out or was activated.)
+                      * Fixed incorrect colors in the screen-grabbing GL hacks
+                        (`gflux' and `flipscreen3d'.)
+                      * Made SIGHUP restart the daemon process (though using
+                        `xscreensaver-command -restart' is still the preferred
+                        way.)
+                      * Tweaks to `xspirograph'.
+                      * Minor configure and portability tweaks.
+Changes since 3.34:   * Redesigned `xscreensaver-demo' GUI: it now includes
+                        small-preview and per-hack configuration dialogs.
                        * Added three new modes of operation: `One Screen Saver',
                          `Blank Screen', and `Don't Blank' (in addition to the
                          historical `Random Screen Saver').
                        * Added three new modes of operation: `One Screen Saver',
                          `Blank Screen', and `Don't Blank' (in addition to the
                          historical `Random Screen Saver').
@@ -173,7 +205,7 @@ Changes since 3.30:   * Put in more sensible defaults for DPMS, and updated
                          is no longer needed.
                        * New versions of `rotzoomer' and `nerverot'.
                        * Fixed an OSF/1 compilation problem in `molecule'.
                          is no longer needed.
                        * New versions of `rotzoomer' and `nerverot'.
                        * Fixed an OSF/1 compilation problem in `molecule'.
-Changes since 3.29:   * New hacks, `molecule' `dangerball', and `rotzoomer'.
+Changes since 3.29:   * New hacks, `molecule', `dangerball', and `rotzoomer'.
                        * New version of `gflux'.
                        * Made `gltext' able to display the current time.
                        * Fixed a floating-point-precision problem in `gltext'
                        * New version of `gflux'.
                        * Made `gltext' able to display the current time.
                        * Fixed a floating-point-precision problem in `gltext'
diff --git a/config.h.in b/config.h.in

index 9692f5da64a36f6df9e38249935370cd2c5e00b7..bb1d104058a93eef4f9890bdb2703bf767aeca81 100644 (file)
--- a/config.h.in
+++ b/config.h.in
@@ -148,6 +148,11 @@
   */
  #undef HAVE_CRAPPLET
  
   */
  #undef HAVE_CRAPPLET
  
+/*  Define this if HAVE_CRAPPLET is defined, and the function
+    capplet_widget_changes_are_immediate() is available.
+ */
+#undef HAVE_CRAPPLET_IMMEDIATE
+
  /*  Define this if you have the XML library.
   */
  #undef HAVE_XML
  /*  Define this if you have the XML library.
   */
  #undef HAVE_XML
@@ -157,6 +162,16 @@
   */
  #undef HAVE_XPM
  
   */
  #undef HAVE_XPM
  
+/*  Define this if you have the GDK_Pixbuf library installed.  Some of the
+ *  demos can make use of this if it is available.
+ */
+#undef HAVE_GDK_PIXBUF
+
+/*  Define this if you have the Independent JPEG Group's JPEG library
+ *  installed.  Some of the demos can make use of this if it is available.
+ */
+#undef HAVE_JPEGLIB
+
  /*  Define this if you have the Xmu library.  This is standard part of X, and
   *  if your vendor doesn't ship it, you should report that as a bug.
   */
  /*  Define this if you have the Xmu library.  This is standard part of X, and
   *  if your vendor doesn't ship it, you should report that as a bug.
   */
@@ -368,11 +383,6 @@
  /* Define if you have <sys/select.h> that defines fd_set and FD_SET.  */
  #undef HAVE_SYS_SELECT_H
  
  /* Define if you have <sys/select.h> that defines fd_set and FD_SET.  */
  #undef HAVE_SYS_SELECT_H
  
-/* Define to use sigaction() instead of signal() for SIGCHLD-related activity.
-   This is necessary at least on SCO OpenServer 5, due to a Unix kernel bug.
- */
-#undef USE_SIGACTION
-
  /* Define this if you do pings with a `struct icmp' and  a `icmp_id' slot.
   */
  #undef HAVE_ICMP
  /* Define this if you do pings with a `struct icmp' and  a `icmp_id' slot.
   */
  #undef HAVE_ICMP
diff --git a/configure b/configure

index 297ce8af2676373dfae7684fe196248aa232a0c3..14fcbb0430ba27d5ebb2f799c738da193dd0ec55 100755 (executable)
--- a/configure
+++ b/configure
@@ -95,7 +95,15 @@ ac_help="$ac_help
  ac_help="$ac_help
    --with-xpm              Include support for XPM files in some demos."
  ac_help="$ac_help
  ac_help="$ac_help
    --with-xpm              Include support for XPM files in some demos."
  ac_help="$ac_help
-  --with-xshm-ext         Include support for the XSHM extension."
+  --with-pixbuf           Include support for the GDK-Pixbuf library in some
+                          demos, which will make it possible for them to read
+                          GIF, JPEG, and PNG files as well."
+ac_help="$ac_help
+  --with-jpeg             Include support for the JPEG library in some demos,
+                          which will make it possible for them to read JPEG
+                          files as well."
+ac_help="$ac_help
+  --with-xshm-ext         Include support for the Shared Memory extension."
  ac_help="$ac_help
    --with-xdbe-ext         Include support for the DOUBLE-BUFFER extension."
  ac_help="$ac_help
  ac_help="$ac_help
    --with-xdbe-ext         Include support for the DOUBLE-BUFFER extension."
  ac_help="$ac_help
@@ -821,7 +829,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
  fi
  
  echo $ac_n "checking host system type""... $ac_c" 1>&6
  fi
  
  echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:836: checking host system type" >&5
+echo "configure:844: checking host system type" >&5
  
  host_alias=$host
  case "$host_alias" in
  
  host_alias=$host
  case "$host_alias" in
@@ -844,7 +852,7 @@ echo "$ac_t""$host" 1>&6
  # Extract the first word of "gcc", so it can be a program name with args.
  set dummy gcc; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
  # Extract the first word of "gcc", so it can be a program name with args.
  set dummy gcc; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:859: checking for $ac_word" >&5
+echo "configure:867: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -874,7 +882,7 @@ if test -z "$CC"; then
    # Extract the first word of "cc", so it can be a program name with args.
  set dummy cc; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
    # Extract the first word of "cc", so it can be a program name with args.
  set dummy cc; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:889: checking for $ac_word" >&5
+echo "configure:897: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -925,7 +933,7 @@ fi
        # Extract the first word of "cl", so it can be a program name with args.
  set dummy cl; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
        # Extract the first word of "cl", so it can be a program name with args.
  set dummy cl; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:940: checking for $ac_word" >&5
+echo "configure:948: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -957,7 +965,7 @@ fi
  fi
  
  echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
  fi
  
  echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:972: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:980: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
  
  ac_ext=c
  # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
  
  ac_ext=c
  # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -968,12 +976,12 @@ cross_compiling=$ac_cv_prog_cc_cross
  
  cat > conftest.$ac_ext << EOF
  
  
  cat > conftest.$ac_ext << EOF
  
-#line 983 "configure"
+#line 991 "configure"
  #include "confdefs.h"
  
  main(){return(0);}
  EOF
  #include "confdefs.h"
  
  main(){return(0);}
  EOF
-if { (eval echo configure:988: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:996: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    ac_cv_prog_cc_works=yes
    # If we can't run a trivial program, we are probably using a cross compiler.
    if (./conftest; exit) 2>/dev/null; then
    ac_cv_prog_cc_works=yes
    # If we can't run a trivial program, we are probably using a cross compiler.
    if (./conftest; exit) 2>/dev/null; then
@@ -999,12 +1007,12 @@ if test $ac_cv_prog_cc_works = no; then
    { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
  fi
  echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
    { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
  fi
  echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1014: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1022: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
  echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
  cross_compiling=$ac_cv_prog_cc_cross
  
  echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
  echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
  cross_compiling=$ac_cv_prog_cc_cross
  
  echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1019: checking whether we are using GNU C" >&5
+echo "configure:1027: checking whether we are using GNU C" >&5
  if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -1013,7 +1021,7 @@ else
    yes;
  #endif
  EOF
    yes;
  #endif
  EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1028: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1036: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
    ac_cv_prog_gcc=yes
  else
    ac_cv_prog_gcc=no
    ac_cv_prog_gcc=yes
  else
    ac_cv_prog_gcc=no
@@ -1032,7 +1040,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
  ac_save_CFLAGS="$CFLAGS"
  CFLAGS=
  echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
  ac_save_CFLAGS="$CFLAGS"
  CFLAGS=
  echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1047: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1055: checking whether ${CC-cc} accepts -g" >&5
  if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -1066,7 +1074,7 @@ fi
  
    if test -z "$GCC"; then
      echo $ac_n "checking how to request ANSI compilation""... $ac_c" 1>&6
  
    if test -z "$GCC"; then
      echo $ac_n "checking how to request ANSI compilation""... $ac_c" 1>&6
-echo "configure:1081: checking how to request ANSI compilation" >&5
+echo "configure:1089: checking how to request ANSI compilation" >&5
      case "$host" in
        *-hpux* )
          echo "$ac_t""HPUX: adding -Ae" 1>&6
      case "$host" in
        *-hpux* )
          echo "$ac_t""HPUX: adding -Ae" 1>&6
@@ -1089,16 +1097,16 @@ echo "configure:1081: checking how to request ANSI compilation" >&5
    fi
  
    echo $ac_n "checking whether the compiler works on ANSI C""... $ac_c" 1>&6
    fi
  
    echo $ac_n "checking whether the compiler works on ANSI C""... $ac_c" 1>&6
-echo "configure:1104: checking whether the compiler works on ANSI C" >&5
+echo "configure:1112: checking whether the compiler works on ANSI C" >&5
    if test "$cross_compiling" = yes; then
    { echo "configure: error: Couldn't build even a trivial ANSI C program: check CC." 1>&2; exit 1; }
  else
    cat > conftest.$ac_ext <<EOF
    if test "$cross_compiling" = yes; then
    { echo "configure: error: Couldn't build even a trivial ANSI C program: check CC." 1>&2; exit 1; }
  else
    cat > conftest.$ac_ext <<EOF
-#line 1109 "configure"
+#line 1117 "configure"
  #include "confdefs.h"
   main(int ac, char **av) { return 0; } 
  EOF
  #include "confdefs.h"
   main(int ac, char **av) { return 0; } 
  EOF
-if { (eval echo configure:1113: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1121: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
  then
    echo "$ac_t""yes" 1>&6
  else
  then
    echo "$ac_t""yes" 1>&6
  else
@@ -1133,7 +1141,7 @@ fi
  if test -n "$GCC"; then
     if test -n "$GCC"; then
     echo $ac_n "checking whether gcc accepts -std""... $ac_c" 1>&6
  if test -n "$GCC"; then
     if test -n "$GCC"; then
     echo $ac_n "checking whether gcc accepts -std""... $ac_c" 1>&6
-echo "configure:1148: checking whether gcc accepts -std" >&5
+echo "configure:1156: checking whether gcc accepts -std" >&5
  if eval "test \"`echo '$''{'ac_cv_gcc_accepts_std'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_gcc_accepts_std'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -1177,7 +1185,7 @@ echo "$ac_t""$ac_cv_gcc_accepts_std" 1>&6
    fi
  
  echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
    fi
  
  echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1192: checking how to run the C preprocessor" >&5
+echo "configure:1200: checking how to run the C preprocessor" >&5
  # On Suns, sometimes $CPP names a directory.
  if test -n "$CPP" && test -d "$CPP"; then
    CPP=
  # On Suns, sometimes $CPP names a directory.
  if test -n "$CPP" && test -d "$CPP"; then
    CPP=
@@ -1192,13 +1200,13 @@ else
    # On the NeXT, cc -E runs the code through the compiler's parser,
    # not just through cpp.
    cat > conftest.$ac_ext <<EOF
    # On the NeXT, cc -E runs the code through the compiler's parser,
    # not just through cpp.
    cat > conftest.$ac_ext <<EOF
-#line 1207 "configure"
+#line 1215 "configure"
  #include "confdefs.h"
  #include <assert.h>
  Syntax Error
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <assert.h>
  Syntax Error
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1213: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1221: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    :
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    :
@@ -1209,13 +1217,13 @@ else
    rm -rf conftest*
    CPP="${CC-cc} -E -traditional-cpp"
    cat > conftest.$ac_ext <<EOF
    rm -rf conftest*
    CPP="${CC-cc} -E -traditional-cpp"
    cat > conftest.$ac_ext <<EOF
-#line 1224 "configure"
+#line 1232 "configure"
  #include "confdefs.h"
  #include <assert.h>
  Syntax Error
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <assert.h>
  Syntax Error
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1230: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1238: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    :
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    :
@@ -1226,13 +1234,13 @@ else
    rm -rf conftest*
    CPP="${CC-cc} -nologo -E"
    cat > conftest.$ac_ext <<EOF
    rm -rf conftest*
    CPP="${CC-cc} -nologo -E"
    cat > conftest.$ac_ext <<EOF
-#line 1241 "configure"
+#line 1249 "configure"
  #include "confdefs.h"
  #include <assert.h>
  Syntax Error
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <assert.h>
  Syntax Error
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1247: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1255: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    :
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    :
@@ -1257,12 +1265,12 @@ fi
  echo "$ac_t""$CPP" 1>&6
  
  echo $ac_n "checking for working const""... $ac_c" 1>&6
  echo "$ac_t""$CPP" 1>&6
  
  echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:1272: checking for working const" >&5
+echo "configure:1280: checking for working const" >&5
  if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1277 "configure"
+#line 1285 "configure"
  #include "confdefs.h"
  
  int main() {
  #include "confdefs.h"
  
  int main() {
@@ -1311,7 +1319,7 @@ ccp = (char const *const *) p;
  
  ; return 0; }
  EOF
  
  ; return 0; }
  EOF
-if { (eval echo configure:1326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1334: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_c_const=yes
  else
    rm -rf conftest*
    ac_cv_c_const=yes
  else
@@ -1332,21 +1340,21 @@ EOF
  fi
  
  echo $ac_n "checking for inline""... $ac_c" 1>&6
  fi
  
  echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:1347: checking for inline" >&5
+echo "configure:1355: checking for inline" >&5
  if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_cv_c_inline=no
  for ac_kw in inline __inline__ __inline; do
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_cv_c_inline=no
  for ac_kw in inline __inline__ __inline; do
    cat > conftest.$ac_ext <<EOF
-#line 1354 "configure"
+#line 1362 "configure"
  #include "confdefs.h"
  
  int main() {
  } $ac_kw foo() {
  ; return 0; }
  EOF
  #include "confdefs.h"
  
  int main() {
  } $ac_kw foo() {
  ; return 0; }
  EOF
-if { (eval echo configure:1361: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1369: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_c_inline=$ac_kw; break
  else
    rm -rf conftest*
    ac_cv_c_inline=$ac_kw; break
  else
@@ -1373,7 +1381,7 @@ esac
  
  ac_bc_result=`echo 6+9 | bc 2>/dev/null`
    echo $ac_n "checking for bc""... $ac_c" 1>&6
  
  ac_bc_result=`echo 6+9 | bc 2>/dev/null`
    echo $ac_n "checking for bc""... $ac_c" 1>&6
-echo "configure:1388: checking for bc" >&5
+echo "configure:1396: checking for bc" >&5
    if test "$ac_bc_result" = "15" ; then
      echo "$ac_t""yes" 1>&6
    else
    if test "$ac_bc_result" = "15" ; then
      echo "$ac_t""yes" 1>&6
    else
@@ -1398,7 +1406,7 @@ echo "configure:1388: checking for bc" >&5
  # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
  # ./install, which can be erroneously created by make from ./install.sh.
  echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
  # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
  # ./install, which can be erroneously created by make from ./install.sh.
  echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1413: checking for a BSD compatible install" >&5
+echo "configure:1421: checking for a BSD compatible install" >&5
  if test -z "$INSTALL"; then
  if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  if test -z "$INSTALL"; then
  if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -1451,7 +1459,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
  test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
  
  echo $ac_n "checking whether \"\${INSTALL} -d\" creates intermediate directories""... $ac_c" 1>&6
  test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
  
  echo $ac_n "checking whether \"\${INSTALL} -d\" creates intermediate directories""... $ac_c" 1>&6
-echo "configure:1466: checking whether \"\${INSTALL} -d\" creates intermediate directories" >&5
+echo "configure:1474: checking whether \"\${INSTALL} -d\" creates intermediate directories" >&5
  if eval "test \"`echo '$''{'ac_cv_install_d_creates_dirs'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_install_d_creates_dirs'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -1473,7 +1481,7 @@ echo "$ac_t""$ac_cv_install_d_creates_dirs" 1>&6
  
    if test "$ac_cv_install_d_creates_dirs" = no ; then
      echo $ac_n "checking whether \"mkdir -p\" creates intermediate directories""... $ac_c" 1>&6
  
    if test "$ac_cv_install_d_creates_dirs" = no ; then
      echo $ac_n "checking whether \"mkdir -p\" creates intermediate directories""... $ac_c" 1>&6
-echo "configure:1488: checking whether \"mkdir -p\" creates intermediate directories" >&5
+echo "configure:1496: checking whether \"mkdir -p\" creates intermediate directories" >&5
  if eval "test \"`echo '$''{'ac_cv_mkdir_p_creates_dirs'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_mkdir_p_creates_dirs'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -1504,7 +1512,7 @@ echo "$ac_t""$ac_cv_mkdir_p_creates_dirs" 1>&6
    fi
  
  echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
    fi
  
  echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:1519: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:1527: checking whether ${MAKE-make} sets \${MAKE}" >&5
  set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -1540,12 +1548,12 @@ INSTALL_SCRIPT='${INSTALL}'
  
  # random libc stuff
  echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
  
  # random libc stuff
  echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1555: checking for ANSI C header files" >&5
+echo "configure:1563: checking for ANSI C header files" >&5
  if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1560 "configure"
+#line 1568 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
  #include <stdarg.h>
  #include "confdefs.h"
  #include <stdlib.h>
  #include <stdarg.h>
@@ -1553,7 +1561,7 @@ else
  #include <float.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include <float.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1568: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1576: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -1570,7 +1578,7 @@ rm -f conftest*
  if test $ac_cv_header_stdc = yes; then
    # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
  cat > conftest.$ac_ext <<EOF
  if test $ac_cv_header_stdc = yes; then
    # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
  cat > conftest.$ac_ext <<EOF
-#line 1585 "configure"
+#line 1593 "configure"
  #include "confdefs.h"
  #include <string.h>
  EOF
  #include "confdefs.h"
  #include <string.h>
  EOF
@@ -1588,7 +1596,7 @@ fi
  if test $ac_cv_header_stdc = yes; then
    # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
  cat > conftest.$ac_ext <<EOF
  if test $ac_cv_header_stdc = yes; then
    # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
  cat > conftest.$ac_ext <<EOF
-#line 1603 "configure"
+#line 1611 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
  EOF
  #include "confdefs.h"
  #include <stdlib.h>
  EOF
@@ -1609,7 +1617,7 @@ if test "$cross_compiling" = yes; then
    :
  else
    cat > conftest.$ac_ext <<EOF
    :
  else
    cat > conftest.$ac_ext <<EOF
-#line 1624 "configure"
+#line 1632 "configure"
  #include "confdefs.h"
  #include <ctype.h>
  #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
  #include "confdefs.h"
  #include <ctype.h>
  #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1620,7 +1628,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
  exit (0); }
  
  EOF
  exit (0); }
  
  EOF
-if { (eval echo configure:1635: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1643: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
  then
    :
  else
  then
    :
  else
@@ -1647,17 +1655,17 @@ for ac_hdr in unistd.h
  do
  ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
  do
  ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1662: checking for $ac_hdr" >&5
+echo "configure:1670: checking for $ac_hdr" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1667 "configure"
+#line 1675 "configure"
  #include "confdefs.h"
  #include <$ac_hdr>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <$ac_hdr>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1672: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1680: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -1684,12 +1692,12 @@ fi
  done
  
  echo $ac_n "checking for mode_t""... $ac_c" 1>&6
  done
  
  echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:1699: checking for mode_t" >&5
+echo "configure:1707: checking for mode_t" >&5
  if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1704 "configure"
+#line 1712 "configure"
  #include "confdefs.h"
  #include <sys/types.h>
  #if STDC_HEADERS
  #include "confdefs.h"
  #include <sys/types.h>
  #if STDC_HEADERS
@@ -1717,12 +1725,12 @@ EOF
  fi
  
  echo $ac_n "checking for pid_t""... $ac_c" 1>&6
  fi
  
  echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:1732: checking for pid_t" >&5
+echo "configure:1740: checking for pid_t" >&5
  if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1737 "configure"
+#line 1745 "configure"
  #include "confdefs.h"
  #include <sys/types.h>
  #if STDC_HEADERS
  #include "confdefs.h"
  #include <sys/types.h>
  #if STDC_HEADERS
@@ -1750,12 +1758,12 @@ EOF
  fi
  
  echo $ac_n "checking for size_t""... $ac_c" 1>&6
  fi
  
  echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:1765: checking for size_t" >&5
+echo "configure:1773: checking for size_t" >&5
  if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1770 "configure"
+#line 1778 "configure"
  #include "confdefs.h"
  #include <sys/types.h>
  #if STDC_HEADERS
  #include "confdefs.h"
  #include <sys/types.h>
  #if STDC_HEADERS
@@ -1783,12 +1791,12 @@ EOF
  fi
  
  echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
  fi
  
  echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:1798: checking return type of signal handlers" >&5
+echo "configure:1806: checking return type of signal handlers" >&5
  if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1803 "configure"
+#line 1811 "configure"
  #include "confdefs.h"
  #include <sys/types.h>
  #include <signal.h>
  #include "confdefs.h"
  #include <sys/types.h>
  #include <signal.h>
@@ -1805,7 +1813,7 @@ int main() {
  int i;
  ; return 0; }
  EOF
  int i;
  ; return 0; }
  EOF
-if { (eval echo configure:1820: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1828: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_type_signal=void
  else
    rm -rf conftest*
    ac_cv_type_signal=void
  else
@@ -1824,12 +1832,12 @@ EOF
  
  
  echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
  
  
  echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1839: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1847: checking whether time.h and sys/time.h may both be included" >&5
  if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1844 "configure"
+#line 1852 "configure"
  #include "confdefs.h"
  #include <sys/types.h>
  #include <sys/time.h>
  #include "confdefs.h"
  #include <sys/types.h>
  #include <sys/time.h>
@@ -1838,7 +1846,7 @@ int main() {
  struct tm *tp;
  ; return 0; }
  EOF
  struct tm *tp;
  ; return 0; }
  EOF
-if { (eval echo configure:1853: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1861: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_header_time=yes
  else
    rm -rf conftest*
    ac_cv_header_time=yes
  else
@@ -1859,12 +1867,12 @@ EOF
  fi
  
  echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
  fi
  
  echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:1874: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:1882: checking for sys/wait.h that is POSIX.1 compatible" >&5
  if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1879 "configure"
+#line 1887 "configure"
  #include "confdefs.h"
  #include <sys/types.h>
  #include <sys/wait.h>
  #include "confdefs.h"
  #include <sys/types.h>
  #include <sys/wait.h>
@@ -1880,7 +1888,7 @@ wait (&s);
  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
  ; return 0; }
  EOF
  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
  ; return 0; }
  EOF
-if { (eval echo configure:1895: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1903: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_header_sys_wait_h=yes
  else
    rm -rf conftest*
    ac_cv_header_sys_wait_h=yes
  else
@@ -1905,12 +1913,12 @@ for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
  do
  ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
  do
  ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:1920: checking for $ac_hdr that defines DIR" >&5
+echo "configure:1928: checking for $ac_hdr that defines DIR" >&5
  if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 1925 "configure"
+#line 1933 "configure"
  #include "confdefs.h"
  #include <sys/types.h>
  #include <$ac_hdr>
  #include "confdefs.h"
  #include <sys/types.h>
  #include <$ac_hdr>
@@ -1918,7 +1926,7 @@ int main() {
  DIR *dirp = 0;
  ; return 0; }
  EOF
  DIR *dirp = 0;
  ; return 0; }
  EOF
-if { (eval echo configure:1933: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1941: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    eval "ac_cv_header_dirent_$ac_safe=yes"
  else
    rm -rf conftest*
    eval "ac_cv_header_dirent_$ac_safe=yes"
  else
@@ -1943,7 +1951,7 @@ done
  # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
  if test $ac_header_dirent = dirent.h; then
  echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
  # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
  if test $ac_header_dirent = dirent.h; then
  echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:1958: checking for opendir in -ldir" >&5
+echo "configure:1966: checking for opendir in -ldir" >&5
  ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -1951,7 +1959,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-ldir  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-ldir  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 1966 "configure"
+#line 1974 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -1962,7 +1970,7 @@ int main() {
  opendir()
  ; return 0; }
  EOF
  opendir()
  ; return 0; }
  EOF
-if { (eval echo configure:1977: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1985: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -1984,7 +1992,7 @@ fi
  
  else
  echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
  
  else
  echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:1999: checking for opendir in -lx" >&5
+echo "configure:2007: checking for opendir in -lx" >&5
  ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -1992,7 +2000,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lx  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lx  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 2007 "configure"
+#line 2015 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -2003,7 +2011,7 @@ int main() {
  opendir()
  ; return 0; }
  EOF
  opendir()
  ; return 0; }
  EOF
-if { (eval echo configure:2018: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2026: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -2026,12 +2034,12 @@ fi
  fi
  
  echo $ac_n "checking how to call gettimeofday""... $ac_c" 1>&6
  fi
  
  echo $ac_n "checking how to call gettimeofday""... $ac_c" 1>&6
-echo "configure:2041: checking how to call gettimeofday" >&5
+echo "configure:2049: checking how to call gettimeofday" >&5
    if eval "test \"`echo '$''{'ac_cv_gettimeofday_args'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
    if eval "test \"`echo '$''{'ac_cv_gettimeofday_args'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 2046 "configure"
+#line 2054 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
                      #include <sys/time.h>
  #include "confdefs.h"
  #include <stdlib.h>
                      #include <sys/time.h>
@@ -2040,7 +2048,7 @@ struct timeval tv; struct timezone tzp;
                      gettimeofday(&tv, &tzp);
  ; return 0; }
  EOF
                      gettimeofday(&tv, &tzp);
  ; return 0; }
  EOF
-if { (eval echo configure:2055: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2063: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_gettimeofday_args=2
  else
    rm -rf conftest*
    ac_gettimeofday_args=2
  else
@@ -2048,7 +2056,7 @@ else
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    cat > conftest.$ac_ext <<EOF
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    cat > conftest.$ac_ext <<EOF
-#line 2063 "configure"
+#line 2071 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <sys/time.h>
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <sys/time.h>
@@ -2056,7 +2064,7 @@ int main() {
  struct timeval tv; gettimeofday(&tv);
  ; return 0; }
  EOF
  struct timeval tv; gettimeofday(&tv);
  ; return 0; }
  EOF
-if { (eval echo configure:2071: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2079: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_gettimeofday_args=1
  else
    rm -rf conftest*
    ac_gettimeofday_args=1
  else
@@ -2095,12 +2103,12 @@ EOF
  for ac_func in select fcntl uname nice setpriority getcwd getwd putenv
  do
  echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
  for ac_func in select fcntl uname nice setpriority getcwd getwd putenv
  do
  echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2110: checking for $ac_func" >&5
+echo "configure:2118: checking for $ac_func" >&5
  if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 2115 "configure"
+#line 2123 "configure"
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char $ac_func(); below.  */
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char $ac_func(); below.  */
@@ -2123,7 +2131,7 @@ $ac_func();
  
  ; return 0; }
  EOF
  
  ; return 0; }
  EOF
-if { (eval echo configure:2138: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2146: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_$ac_func=yes"
  else
    rm -rf conftest*
    eval "ac_cv_func_$ac_func=yes"
  else
@@ -2151,12 +2159,12 @@ done
  for ac_func in sigaction syslog realpath setrlimit
  do
  echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
  for ac_func in sigaction syslog realpath setrlimit
  do
  echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2166: checking for $ac_func" >&5
+echo "configure:2174: checking for $ac_func" >&5
  if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 2171 "configure"
+#line 2179 "configure"
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char $ac_func(); below.  */
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char $ac_func(); below.  */
@@ -2179,7 +2187,7 @@ $ac_func();
  
  ; return 0; }
  EOF
  
  ; return 0; }
  EOF
-if { (eval echo configure:2194: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2202: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_$ac_func=yes"
  else
    rm -rf conftest*
    eval "ac_cv_func_$ac_func=yes"
  else
@@ -2204,12 +2212,12 @@ fi
  done
  
  echo $ac_n "checking for struct icmp""... $ac_c" 1>&6
  done
  
  echo $ac_n "checking for struct icmp""... $ac_c" 1>&6
-echo "configure:2219: checking for struct icmp" >&5
+echo "configure:2227: checking for struct icmp" >&5
  if eval "test \"`echo '$''{'ac_cv_have_icmp'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_have_icmp'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 2224 "configure"
+#line 2232 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
                     #include <stdio.h>
  #include "confdefs.h"
  #include <stdlib.h>
                     #include <stdio.h>
@@ -2249,7 +2257,7 @@ struct icmp i;
                     
  ; return 0; }
  EOF
                     
  ; return 0; }
  EOF
-if { (eval echo configure:2264: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2272: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_have_icmp=yes
  else
    rm -rf conftest*
    ac_cv_have_icmp=yes
  else
@@ -2269,12 +2277,12 @@ EOF
  
   fi
  echo $ac_n "checking for struct icmphdr""... $ac_c" 1>&6
  
   fi
  echo $ac_n "checking for struct icmphdr""... $ac_c" 1>&6
-echo "configure:2284: checking for struct icmphdr" >&5
+echo "configure:2292: checking for struct icmphdr" >&5
  if eval "test \"`echo '$''{'ac_cv_have_icmphdr'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_have_icmphdr'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 2289 "configure"
+#line 2297 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
                     #include <stdio.h>
  #include "confdefs.h"
  #include <stdlib.h>
                     #include <stdio.h>
@@ -2309,7 +2317,7 @@ struct icmphdr i;
                     ip.ip_hl = 0;
  ; return 0; }
  EOF
                     ip.ip_hl = 0;
  ; return 0; }
  EOF
-if { (eval echo configure:2324: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2332: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_have_icmphdr=yes
  else
    rm -rf conftest*
    ac_cv_have_icmphdr=yes
  else
@@ -2332,17 +2340,17 @@ for ac_hdr in crypt.h sys/select.h
  do
  ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
  do
  ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2347: checking for $ac_hdr" >&5
+echo "configure:2355: checking for $ac_hdr" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 2352 "configure"
+#line 2360 "configure"
  #include "confdefs.h"
  #include <$ac_hdr>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <$ac_hdr>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2357: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2365: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -2373,7 +2381,7 @@ do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2388: checking for $ac_word" >&5
+echo "configure:2396: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -2412,7 +2420,7 @@ done
      PERL_VERSION=0
    else
      echo $ac_n "checking perl version""... $ac_c" 1>&6
      PERL_VERSION=0
    else
      echo $ac_n "checking perl version""... $ac_c" 1>&6
-echo "configure:2427: checking perl version" >&5
+echo "configure:2435: checking perl version" >&5
  if eval "test \"`echo '$''{'ac_cv_perl_version'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_perl_version'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -2434,7 +2442,7 @@ fi
  # Uses ac_ vars as temps to allow command line to override cache and checks.
  # --without-x overrides everything else, but does not touch the cache.
  echo $ac_n "checking for X""... $ac_c" 1>&6
  # Uses ac_ vars as temps to allow command line to override cache and checks.
  # --without-x overrides everything else, but does not touch the cache.
  echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:2449: checking for X" >&5
+echo "configure:2457: checking for X" >&5
  
  # Check whether --with-x or --without-x was given.
  if test "${with_x+set}" = set; then
  
  # Check whether --with-x or --without-x was given.
  if test "${with_x+set}" = set; then
@@ -2496,12 +2504,12 @@ if test "$ac_x_includes" = NO; then
  
    # First, try using that file with no special directory specified.
  cat > conftest.$ac_ext <<EOF
  
    # First, try using that file with no special directory specified.
  cat > conftest.$ac_ext <<EOF
-#line 2511 "configure"
+#line 2519 "configure"
  #include "confdefs.h"
  #include <$x_direct_test_include>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <$x_direct_test_include>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2516: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2524: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -2570,14 +2578,14 @@ if test "$ac_x_libraries" = NO; then
    ac_save_LIBS="$LIBS"
    LIBS="-l$x_direct_test_library $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
    LIBS="-l$x_direct_test_library $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 2585 "configure"
+#line 2593 "configure"
  #include "confdefs.h"
  
  int main() {
  ${x_direct_test_function}()
  ; return 0; }
  EOF
  #include "confdefs.h"
  
  int main() {
  ${x_direct_test_function}()
  ; return 0; }
  EOF
-if { (eval echo configure:2592: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2600: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    LIBS="$ac_save_LIBS"
  # We can link X programs with no special library path.
    rm -rf conftest*
    LIBS="$ac_save_LIBS"
  # We can link X programs with no special library path.
@@ -2683,17 +2691,17 @@ else
      case "`(uname -sr) 2>/dev/null`" in
      "SunOS 5"*)
        echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
      case "`(uname -sr) 2>/dev/null`" in
      "SunOS 5"*)
        echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
-echo "configure:2698: checking whether -R must be followed by a space" >&5
+echo "configure:2706: checking whether -R must be followed by a space" >&5
        ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
        cat > conftest.$ac_ext <<EOF
        ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
        cat > conftest.$ac_ext <<EOF
-#line 2701 "configure"
+#line 2709 "configure"
  #include "confdefs.h"
  
  int main() {
  
  ; return 0; }
  EOF
  #include "confdefs.h"
  
  int main() {
  
  ; return 0; }
  EOF
-if { (eval echo configure:2708: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2716: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    ac_R_nospace=yes
  else
    rm -rf conftest*
    ac_R_nospace=yes
  else
@@ -2709,14 +2717,14 @@ rm -f conftest*
        else
         LIBS="$ac_xsave_LIBS -R $x_libraries"
         cat > conftest.$ac_ext <<EOF
        else
         LIBS="$ac_xsave_LIBS -R $x_libraries"
         cat > conftest.$ac_ext <<EOF
-#line 2724 "configure"
+#line 2732 "configure"
  #include "confdefs.h"
  
  int main() {
  
  ; return 0; }
  EOF
  #include "confdefs.h"
  
  int main() {
  
  ; return 0; }
  EOF
-if { (eval echo configure:2731: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2739: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    ac_R_space=yes
  else
    rm -rf conftest*
    ac_R_space=yes
  else
@@ -2748,7 +2756,7 @@ rm -f conftest*
      # libraries were built with DECnet support.  And karl@cs.umb.edu says
      # the Alpha needs dnet_stub (dnet does not exist).
      echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
      # libraries were built with DECnet support.  And karl@cs.umb.edu says
      # the Alpha needs dnet_stub (dnet does not exist).
      echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:2763: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:2771: checking for dnet_ntoa in -ldnet" >&5
  ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -2756,7 +2764,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-ldnet  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-ldnet  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 2771 "configure"
+#line 2779 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -2767,7 +2775,7 @@ int main() {
  dnet_ntoa()
  ; return 0; }
  EOF
  dnet_ntoa()
  ; return 0; }
  EOF
-if { (eval echo configure:2782: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2790: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -2789,7 +2797,7 @@ fi
  
      if test $ac_cv_lib_dnet_dnet_ntoa = no; then
        echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
  
      if test $ac_cv_lib_dnet_dnet_ntoa = no; then
        echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
-echo "configure:2804: checking for dnet_ntoa in -ldnet_stub" >&5
+echo "configure:2812: checking for dnet_ntoa in -ldnet_stub" >&5
  ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -2797,7 +2805,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-ldnet_stub  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-ldnet_stub  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 2812 "configure"
+#line 2820 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -2808,7 +2816,7 @@ int main() {
  dnet_ntoa()
  ; return 0; }
  EOF
  dnet_ntoa()
  ; return 0; }
  EOF
-if { (eval echo configure:2823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2831: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -2837,12 +2845,12 @@ fi
      # The nsl library prevents programs from opening the X display
      # on Irix 5.2, according to dickey@clark.net.
      echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
      # The nsl library prevents programs from opening the X display
      # on Irix 5.2, according to dickey@clark.net.
      echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:2852: checking for gethostbyname" >&5
+echo "configure:2860: checking for gethostbyname" >&5
  if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 2857 "configure"
+#line 2865 "configure"
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char gethostbyname(); below.  */
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char gethostbyname(); below.  */
@@ -2865,7 +2873,7 @@ gethostbyname();
  
  ; return 0; }
  EOF
  
  ; return 0; }
  EOF
-if { (eval echo configure:2880: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_gethostbyname=yes"
  else
    rm -rf conftest*
    eval "ac_cv_func_gethostbyname=yes"
  else
@@ -2886,7 +2894,7 @@ fi
  
      if test $ac_cv_func_gethostbyname = no; then
        echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
  
      if test $ac_cv_func_gethostbyname = no; then
        echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:2901: checking for gethostbyname in -lnsl" >&5
+echo "configure:2909: checking for gethostbyname in -lnsl" >&5
  ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -2894,7 +2902,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lnsl  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lnsl  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 2909 "configure"
+#line 2917 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -2905,7 +2913,7 @@ int main() {
  gethostbyname()
  ; return 0; }
  EOF
  gethostbyname()
  ; return 0; }
  EOF
-if { (eval echo configure:2920: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -2935,12 +2943,12 @@ fi
      # -lsocket must be given before -lnsl if both are needed.
      # We assume that if connect needs -lnsl, so does gethostbyname.
      echo $ac_n "checking for connect""... $ac_c" 1>&6
      # -lsocket must be given before -lnsl if both are needed.
      # We assume that if connect needs -lnsl, so does gethostbyname.
      echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:2950: checking for connect" >&5
+echo "configure:2958: checking for connect" >&5
  if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 2955 "configure"
+#line 2963 "configure"
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char connect(); below.  */
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char connect(); below.  */
@@ -2963,7 +2971,7 @@ connect();
  
  ; return 0; }
  EOF
  
  ; return 0; }
  EOF
-if { (eval echo configure:2978: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2986: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_connect=yes"
  else
    rm -rf conftest*
    eval "ac_cv_func_connect=yes"
  else
@@ -2984,7 +2992,7 @@ fi
  
      if test $ac_cv_func_connect = no; then
        echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
  
      if test $ac_cv_func_connect = no; then
        echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:2999: checking for connect in -lsocket" >&5
+echo "configure:3007: checking for connect in -lsocket" >&5
  ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -2992,7 +3000,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 3007 "configure"
+#line 3015 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -3003,7 +3011,7 @@ int main() {
  connect()
  ; return 0; }
  EOF
  connect()
  ; return 0; }
  EOF
-if { (eval echo configure:3018: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3026: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -3027,12 +3035,12 @@ fi
  
      # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
      echo $ac_n "checking for remove""... $ac_c" 1>&6
  
      # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
      echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:3042: checking for remove" >&5
+echo "configure:3050: checking for remove" >&5
  if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 3047 "configure"
+#line 3055 "configure"
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char remove(); below.  */
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char remove(); below.  */
@@ -3055,7 +3063,7 @@ remove();
  
  ; return 0; }
  EOF
  
  ; return 0; }
  EOF
-if { (eval echo configure:3070: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3078: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_remove=yes"
  else
    rm -rf conftest*
    eval "ac_cv_func_remove=yes"
  else
@@ -3076,7 +3084,7 @@ fi
  
      if test $ac_cv_func_remove = no; then
        echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
  
      if test $ac_cv_func_remove = no; then
        echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:3091: checking for remove in -lposix" >&5
+echo "configure:3099: checking for remove in -lposix" >&5
  ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -3084,7 +3092,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lposix  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lposix  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 3099 "configure"
+#line 3107 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -3095,7 +3103,7 @@ int main() {
  remove()
  ; return 0; }
  EOF
  remove()
  ; return 0; }
  EOF
-if { (eval echo configure:3110: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3118: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -3119,12 +3127,12 @@ fi
  
      # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
      echo $ac_n "checking for shmat""... $ac_c" 1>&6
  
      # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
      echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:3134: checking for shmat" >&5
+echo "configure:3142: checking for shmat" >&5
  if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 3139 "configure"
+#line 3147 "configure"
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char shmat(); below.  */
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char shmat(); below.  */
@@ -3147,7 +3155,7 @@ shmat();
  
  ; return 0; }
  EOF
  
  ; return 0; }
  EOF
-if { (eval echo configure:3162: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3170: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_shmat=yes"
  else
    rm -rf conftest*
    eval "ac_cv_func_shmat=yes"
  else
@@ -3168,7 +3176,7 @@ fi
  
      if test $ac_cv_func_shmat = no; then
        echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
  
      if test $ac_cv_func_shmat = no; then
        echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:3183: checking for shmat in -lipc" >&5
+echo "configure:3191: checking for shmat in -lipc" >&5
  ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -3176,7 +3184,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lipc  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lipc  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 3191 "configure"
+#line 3199 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -3187,7 +3195,7 @@ int main() {
  shmat()
  ; return 0; }
  EOF
  shmat()
  ; return 0; }
  EOF
-if { (eval echo configure:3202: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3210: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -3220,7 +3228,7 @@ fi
    # libraries we check for below, so use a different variable.
    #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
    echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
    # libraries we check for below, so use a different variable.
    #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
    echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:3235: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:3243: checking for IceConnectionNumber in -lICE" >&5
  ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -3228,7 +3236,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lICE $X_EXTRA_LIBS $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lICE $X_EXTRA_LIBS $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 3243 "configure"
+#line 3251 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -3239,7 +3247,7 @@ int main() {
  IceConnectionNumber()
  ; return 0; }
  EOF
  IceConnectionNumber()
  ; return 0; }
  EOF
-if { (eval echo configure:3254: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3262: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -3270,7 +3278,7 @@ fi
  
  
      echo $ac_n "checking for X app-defaults directory""... $ac_c" 1>&6
  
  
      echo $ac_n "checking for X app-defaults directory""... $ac_c" 1>&6
-echo "configure:3285: checking for X app-defaults directory" >&5
+echo "configure:3293: checking for X app-defaults directory" >&5
  if eval "test \"`echo '$''{'ac_cv_x_app_defaults'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_x_app_defaults'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -3477,7 +3485,7 @@ case "$host" in
  
          # Some versions of Slowlaris Motif require -lgen.  But not all.  Why?
          echo $ac_n "checking for regcmp in -lgen""... $ac_c" 1>&6
  
          # Some versions of Slowlaris Motif require -lgen.  But not all.  Why?
          echo $ac_n "checking for regcmp in -lgen""... $ac_c" 1>&6
-echo "configure:3492: checking for regcmp in -lgen" >&5
+echo "configure:3500: checking for regcmp in -lgen" >&5
  ac_lib_var=`echo gen'_'regcmp | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo gen'_'regcmp | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -3485,7 +3493,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lgen  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lgen  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 3500 "configure"
+#line 3508 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -3496,7 +3504,7 @@ int main() {
  regcmp()
  ; return 0; }
  EOF
  regcmp()
  ; return 0; }
  EOF
-if { (eval echo configure:3511: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3519: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -3520,7 +3528,7 @@ fi
      ;;
    esac
  echo $ac_n "checking for XPointer""... $ac_c" 1>&6
      ;;
    esac
  echo $ac_n "checking for XPointer""... $ac_c" 1>&6
-echo "configure:3535: checking for XPointer" >&5
+echo "configure:3543: checking for XPointer" >&5
  if eval "test \"`echo '$''{'ac_cv_xpointer'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_xpointer'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -3531,14 +3539,14 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 3546 "configure"
+#line 3554 "configure"
  #include "confdefs.h"
  #include <X11/Xlib.h>
  int main() {
  XPointer foo = (XPointer) 0;
  ; return 0; }
  EOF
  #include "confdefs.h"
  #include <X11/Xlib.h>
  int main() {
  XPointer foo = (XPointer) 0;
  ; return 0; }
  EOF
-if { (eval echo configure:3553: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3561: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_xpointer=yes
  else
    rm -rf conftest*
    ac_cv_xpointer=yes
  else
@@ -3576,17 +3584,17 @@ have_xmu=no
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/Xmu/Error.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/Xmu/Error.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/Xmu/Error.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/Xmu/Error.h""... $ac_c" 1>&6
-echo "configure:3591: checking for X11/Xmu/Error.h" >&5
+echo "configure:3599: checking for X11/Xmu/Error.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 3596 "configure"
+#line 3604 "configure"
  #include "confdefs.h"
  #include <X11/Xmu/Error.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/Xmu/Error.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3601: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3609: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -3635,7 +3643,7 @@ if test "$have_xmu" = yes ; then
    case "$host" in
      *-sunos4*)
      echo $ac_n "checking for the SunOS 4.1.x _get_wmShellWidgetClass bug""... $ac_c" 1>&6
    case "$host" in
      *-sunos4*)
      echo $ac_n "checking for the SunOS 4.1.x _get_wmShellWidgetClass bug""... $ac_c" 1>&6
-echo "configure:3650: checking for the SunOS 4.1.x _get_wmShellWidgetClass bug" >&5
+echo "configure:3658: checking for the SunOS 4.1.x _get_wmShellWidgetClass bug" >&5
  if eval "test \"`echo '$''{'ac_cv_sunos_xmu_bug'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_sunos_xmu_bug'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -3648,14 +3656,14 @@ else
                      # with X libraries because we know it's SunOS.
                      LDFLAGS="$LDFLAGS -lXmu -lXt -lX11 -lXext -lm"
                      cat > conftest.$ac_ext <<EOF
                      # with X libraries because we know it's SunOS.
                      LDFLAGS="$LDFLAGS -lXmu -lXt -lX11 -lXext -lm"
                      cat > conftest.$ac_ext <<EOF
-#line 3663 "configure"
+#line 3671 "configure"
  #include "confdefs.h"
  
  int main() {
  
  ; return 0; }
  EOF
  #include "confdefs.h"
  
  int main() {
  
  ; return 0; }
  EOF
-if { (eval echo configure:3670: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3678: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    ac_cv_sunos_xmu_bug=no
  else
    rm -rf conftest*
    ac_cv_sunos_xmu_bug=no
  else
@@ -3671,21 +3679,21 @@ fi
  echo "$ac_t""$ac_cv_sunos_xmu_bug" 1>&6
      if test "$ac_cv_sunos_xmu_bug" = yes ; then
        echo $ac_n "checking whether the compiler understands -static""... $ac_c" 1>&6
  echo "$ac_t""$ac_cv_sunos_xmu_bug" 1>&6
      if test "$ac_cv_sunos_xmu_bug" = yes ; then
        echo $ac_n "checking whether the compiler understands -static""... $ac_c" 1>&6
-echo "configure:3686: checking whether the compiler understands -static" >&5
+echo "configure:3694: checking whether the compiler understands -static" >&5
  if eval "test \"`echo '$''{'ac_cv_ld_static'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_save_LDFLAGS="$LDFLAGS"
                        LDFLAGS="$LDFLAGS -static"
                        cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_ld_static'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    ac_save_LDFLAGS="$LDFLAGS"
                        LDFLAGS="$LDFLAGS -static"
                        cat > conftest.$ac_ext <<EOF
-#line 3693 "configure"
+#line 3701 "configure"
  #include "confdefs.h"
  
  int main() {
  
  ; return 0; }
  EOF
  #include "confdefs.h"
  
  int main() {
  
  ; return 0; }
  EOF
-if { (eval echo configure:3700: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3708: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    ac_cv_ld_static=yes
  else
    rm -rf conftest*
    ac_cv_ld_static=yes
  else
@@ -3790,16 +3798,13 @@ else
    # there must be a better way than this...
    if test -z "`echo $with_configdir | sed 's@^/.*@@'`" ; then
      # absolute path
    # there must be a better way than this...
    if test -z "`echo $with_configdir | sed 's@^/.*@@'`" ; then
      # absolute path
-    CONFIGDIR=$with_configdir
+    HACK_CONF_DIR=$with_configdir
    else
      # relative path
    else
      # relative path
-    CONFIGDIR="\${exec_prefix}$with_configdir"
+    HACK_CONF_DIR="\${exec_prefix}$with_configdir"
    fi
  fi
  
    fi
  fi
  
-# canonicalize slashes.
-CONFIGDIR=`echo "${CONFIGDIR}" | sed 's@/$@@;s@//*@/@g'`
-
  
  
  
  
  
  
@@ -3827,7 +3832,7 @@ fi
  
      /*)
       echo $ac_n "checking for SGI SCREEN_SAVER headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for SGI SCREEN_SAVER headers""... $ac_c" 1>&6
-echo "configure:3842: checking for SGI SCREEN_SAVER headers" >&5
+echo "configure:3847: checking for SGI SCREEN_SAVER headers" >&5
       d=$with_sgi/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_sgi/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -3837,7 +3842,7 @@ echo "configure:3842: checking for SGI SCREEN_SAVER headers" >&5
       fi
  
       echo $ac_n "checking for SGI SCREEN_SAVER libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for SGI SCREEN_SAVER libs""... $ac_c" 1>&6
-echo "configure:3852: checking for SGI SCREEN_SAVER libs" >&5
+echo "configure:3857: checking for SGI SCREEN_SAVER libs" >&5
       d=$with_sgi/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_sgi/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -3870,17 +3875,17 @@ if test "$with_sgi" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/XScreenSaver.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/XScreenSaver.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/XScreenSaver.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/XScreenSaver.h""... $ac_c" 1>&6
-echo "configure:3885: checking for X11/extensions/XScreenSaver.h" >&5
+echo "configure:3890: checking for X11/extensions/XScreenSaver.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 3890 "configure"
+#line 3895 "configure"
  #include "confdefs.h"
  #include <X11/extensions/XScreenSaver.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/XScreenSaver.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3895: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3900: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -3937,7 +3942,7 @@ fi
  
      /*)
       echo $ac_n "checking for MIT-SCREEN-SAVER headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for MIT-SCREEN-SAVER headers""... $ac_c" 1>&6
-echo "configure:3952: checking for MIT-SCREEN-SAVER headers" >&5
+echo "configure:3957: checking for MIT-SCREEN-SAVER headers" >&5
       d=$with_mit/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_mit/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -3947,7 +3952,7 @@ echo "configure:3952: checking for MIT-SCREEN-SAVER headers" >&5
       fi
  
       echo $ac_n "checking for MIT-SCREEN-SAVER libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for MIT-SCREEN-SAVER libs""... $ac_c" 1>&6
-echo "configure:3962: checking for MIT-SCREEN-SAVER libs" >&5
+echo "configure:3967: checking for MIT-SCREEN-SAVER libs" >&5
       d=$with_mit/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_mit/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -3980,17 +3985,17 @@ if test "$with_mit" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/scrnsaver.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/scrnsaver.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/scrnsaver.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/scrnsaver.h""... $ac_c" 1>&6
-echo "configure:3995: checking for X11/extensions/scrnsaver.h" >&5
+echo "configure:4000: checking for X11/extensions/scrnsaver.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 4000 "configure"
+#line 4005 "configure"
  #include "confdefs.h"
  #include <X11/extensions/scrnsaver.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/scrnsaver.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4005: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4010: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -4035,7 +4040,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XScreenSaverRegister in -lXext""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XScreenSaverRegister in -lXext""... $ac_c" 1>&6
-echo "configure:4050: checking for XScreenSaverRegister in -lXext" >&5
+echo "configure:4055: checking for XScreenSaverRegister in -lXext" >&5
  ac_lib_var=`echo Xext'_'XScreenSaverRegister | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xext'_'XScreenSaverRegister | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -4043,7 +4048,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 4058 "configure"
+#line 4063 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -4054,7 +4059,7 @@ int main() {
  XScreenSaverRegister()
  ; return 0; }
  EOF
  XScreenSaverRegister()
  ; return 0; }
  EOF
-if { (eval echo configure:4069: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4074: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -4101,7 +4106,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XScreenSaverRegister in -lXExExt""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XScreenSaverRegister in -lXExExt""... $ac_c" 1>&6
-echo "configure:4116: checking for XScreenSaverRegister in -lXExExt" >&5
+echo "configure:4121: checking for XScreenSaverRegister in -lXExExt" >&5
  ac_lib_var=`echo XExExt'_'XScreenSaverRegister | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo XExExt'_'XScreenSaverRegister | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -4109,7 +4114,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXExExt -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXExExt -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 4124 "configure"
+#line 4129 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -4120,7 +4125,7 @@ int main() {
  XScreenSaverRegister()
  ; return 0; }
  EOF
  XScreenSaverRegister()
  ; return 0; }
  EOF
-if { (eval echo configure:4135: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4140: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -4170,7 +4175,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XScreenSaverRegister in -lXss""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XScreenSaverRegister in -lXss""... $ac_c" 1>&6
-echo "configure:4185: checking for XScreenSaverRegister in -lXss" >&5
+echo "configure:4190: checking for XScreenSaverRegister in -lXss" >&5
  ac_lib_var=`echo Xss'_'XScreenSaverRegister | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xss'_'XScreenSaverRegister | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -4178,7 +4183,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXss -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXss -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 4193 "configure"
+#line 4198 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -4189,7 +4194,7 @@ int main() {
  XScreenSaverRegister()
  ; return 0; }
  EOF
  XScreenSaverRegister()
  ; return 0; }
  EOF
-if { (eval echo configure:4204: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4209: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -4255,7 +4260,7 @@ fi
  
      /*)
       echo $ac_n "checking for XIDLE headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for XIDLE headers""... $ac_c" 1>&6
-echo "configure:4270: checking for XIDLE headers" >&5
+echo "configure:4275: checking for XIDLE headers" >&5
       d=$with_xidle/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_xidle/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -4265,7 +4270,7 @@ echo "configure:4270: checking for XIDLE headers" >&5
       fi
  
       echo $ac_n "checking for XIDLE libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for XIDLE libs""... $ac_c" 1>&6
-echo "configure:4280: checking for XIDLE libs" >&5
+echo "configure:4285: checking for XIDLE libs" >&5
       d=$with_xidle/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_xidle/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -4298,17 +4303,17 @@ if test "$with_xidle" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/xidle.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/xidle.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/xidle.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/xidle.h""... $ac_c" 1>&6
-echo "configure:4313: checking for X11/extensions/xidle.h" >&5
+echo "configure:4318: checking for X11/extensions/xidle.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 4318 "configure"
+#line 4323 "configure"
  #include "confdefs.h"
  #include <X11/extensions/xidle.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/xidle.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4323: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4328: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -4364,7 +4369,7 @@ fi
  
      /*)
       echo $ac_n "checking for SGI-VIDEO-CONTROL headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for SGI-VIDEO-CONTROL headers""... $ac_c" 1>&6
-echo "configure:4379: checking for SGI-VIDEO-CONTROL headers" >&5
+echo "configure:4384: checking for SGI-VIDEO-CONTROL headers" >&5
       d=$with_sgivc/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_sgivc/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -4374,7 +4379,7 @@ echo "configure:4379: checking for SGI-VIDEO-CONTROL headers" >&5
       fi
  
       echo $ac_n "checking for SGI-VIDEO-CONTROL libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for SGI-VIDEO-CONTROL libs""... $ac_c" 1>&6
-echo "configure:4389: checking for SGI-VIDEO-CONTROL libs" >&5
+echo "configure:4394: checking for SGI-VIDEO-CONTROL libs" >&5
       d=$with_sgivc/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_sgivc/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -4409,17 +4414,17 @@ if test "$with_sgivc" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/XSGIvc.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/XSGIvc.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/XSGIvc.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/XSGIvc.h""... $ac_c" 1>&6
-echo "configure:4424: checking for X11/extensions/XSGIvc.h" >&5
+echo "configure:4429: checking for X11/extensions/XSGIvc.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 4429 "configure"
+#line 4434 "configure"
  #include "confdefs.h"
  #include <X11/extensions/XSGIvc.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/XSGIvc.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4434: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4439: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -4463,7 +4468,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XSGIvcQueryGammaMap in -lXsgivc""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XSGIvcQueryGammaMap in -lXsgivc""... $ac_c" 1>&6
-echo "configure:4478: checking for XSGIvcQueryGammaMap in -lXsgivc" >&5
+echo "configure:4483: checking for XSGIvcQueryGammaMap in -lXsgivc" >&5
  ac_lib_var=`echo Xsgivc'_'XSGIvcQueryGammaMap | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xsgivc'_'XSGIvcQueryGammaMap | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -4471,7 +4476,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXsgivc -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXsgivc -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 4486 "configure"
+#line 4491 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -4482,7 +4487,7 @@ int main() {
  XSGIvcQueryGammaMap()
  ; return 0; }
  EOF
  XSGIvcQueryGammaMap()
  ; return 0; }
  EOF
-if { (eval echo configure:4497: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4502: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -4547,7 +4552,7 @@ fi
  
      /*)
       echo $ac_n "checking for DPMS headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for DPMS headers""... $ac_c" 1>&6
-echo "configure:4562: checking for DPMS headers" >&5
+echo "configure:4567: checking for DPMS headers" >&5
       d=$with_dpms/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_dpms/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -4557,7 +4562,7 @@ echo "configure:4562: checking for DPMS headers" >&5
       fi
  
       echo $ac_n "checking for DPMS libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for DPMS libs""... $ac_c" 1>&6
-echo "configure:4572: checking for DPMS libs" >&5
+echo "configure:4577: checking for DPMS libs" >&5
       d=$with_dpms/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_dpms/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -4592,17 +4597,17 @@ if test "$with_dpms" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/dpms.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/dpms.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/dpms.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/dpms.h""... $ac_c" 1>&6
-echo "configure:4607: checking for X11/extensions/dpms.h" >&5
+echo "configure:4612: checking for X11/extensions/dpms.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 4612 "configure"
+#line 4617 "configure"
  #include "confdefs.h"
  #include <X11/extensions/dpms.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/dpms.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4617: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4622: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -4648,7 +4653,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for DPMSInfo in -lXext""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for DPMSInfo in -lXext""... $ac_c" 1>&6
-echo "configure:4663: checking for DPMSInfo in -lXext" >&5
+echo "configure:4668: checking for DPMSInfo in -lXext" >&5
  ac_lib_var=`echo Xext'_'DPMSInfo | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xext'_'DPMSInfo | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -4656,7 +4661,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXext -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXext -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 4671 "configure"
+#line 4676 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -4667,7 +4672,7 @@ int main() {
  DPMSInfo()
  ; return 0; }
  EOF
  DPMSInfo()
  ; return 0; }
  EOF
-if { (eval echo configure:4682: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4687: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -4713,7 +4718,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for DPMSInfo in -lXdpms""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for DPMSInfo in -lXdpms""... $ac_c" 1>&6
-echo "configure:4728: checking for DPMSInfo in -lXdpms" >&5
+echo "configure:4733: checking for DPMSInfo in -lXdpms" >&5
  ac_lib_var=`echo Xdpms'_'DPMSInfo | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xdpms'_'DPMSInfo | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -4721,7 +4726,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXdpms -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXdpms -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 4736 "configure"
+#line 4741 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -4732,7 +4737,7 @@ int main() {
  DPMSInfo()
  ; return 0; }
  EOF
  DPMSInfo()
  ; return 0; }
  EOF
-if { (eval echo configure:4747: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4752: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -4799,7 +4804,7 @@ fi
  
      /*)
       echo $ac_n "checking for XINERAMA headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for XINERAMA headers""... $ac_c" 1>&6
-echo "configure:4814: checking for XINERAMA headers" >&5
+echo "configure:4819: checking for XINERAMA headers" >&5
       d=$with_xinerama/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_xinerama/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -4809,7 +4814,7 @@ echo "configure:4814: checking for XINERAMA headers" >&5
       fi
  
       echo $ac_n "checking for XINERAMA libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for XINERAMA libs""... $ac_c" 1>&6
-echo "configure:4824: checking for XINERAMA libs" >&5
+echo "configure:4829: checking for XINERAMA libs" >&5
       d=$with_xinerama/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_xinerama/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -4844,17 +4849,17 @@ if test "$with_xinerama" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/Xinerama.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/Xinerama.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/Xinerama.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/Xinerama.h""... $ac_c" 1>&6
-echo "configure:4859: checking for X11/extensions/Xinerama.h" >&5
+echo "configure:4864: checking for X11/extensions/Xinerama.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 4864 "configure"
+#line 4869 "configure"
  #include "confdefs.h"
  #include <X11/extensions/Xinerama.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/Xinerama.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4869: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4874: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -4900,7 +4905,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XineramaQueryExtension in -lXext""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XineramaQueryExtension in -lXext""... $ac_c" 1>&6
-echo "configure:4915: checking for XineramaQueryExtension in -lXext" >&5
+echo "configure:4920: checking for XineramaQueryExtension in -lXext" >&5
  ac_lib_var=`echo Xext'_'XineramaQueryExtension | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xext'_'XineramaQueryExtension | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -4908,7 +4913,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXext -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXext -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 4923 "configure"
+#line 4928 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -4919,7 +4924,7 @@ int main() {
  XineramaQueryExtension()
  ; return 0; }
  EOF
  XineramaQueryExtension()
  ; return 0; }
  EOF
-if { (eval echo configure:4934: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4939: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -4965,7 +4970,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XineramaQueryExtension in -lXinerama""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XineramaQueryExtension in -lXinerama""... $ac_c" 1>&6
-echo "configure:4980: checking for XineramaQueryExtension in -lXinerama" >&5
+echo "configure:4985: checking for XineramaQueryExtension in -lXinerama" >&5
  ac_lib_var=`echo Xinerama'_'XineramaQueryExtension | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xinerama'_'XineramaQueryExtension | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -4973,7 +4978,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXinerama -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXinerama -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 4988 "configure"
+#line 4993 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -4984,7 +4989,7 @@ int main() {
  XineramaQueryExtension()
  ; return 0; }
  EOF
  XineramaQueryExtension()
  ; return 0; }
  EOF
-if { (eval echo configure:4999: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5004: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -5050,7 +5055,7 @@ fi
  
      /*)
       echo $ac_n "checking for xf86vmode headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for xf86vmode headers""... $ac_c" 1>&6
-echo "configure:5065: checking for xf86vmode headers" >&5
+echo "configure:5070: checking for xf86vmode headers" >&5
       d=$with_xf86vmode/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_xf86vmode/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -5060,7 +5065,7 @@ echo "configure:5065: checking for xf86vmode headers" >&5
       fi
  
       echo $ac_n "checking for xf86vmode libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for xf86vmode libs""... $ac_c" 1>&6
-echo "configure:5075: checking for xf86vmode libs" >&5
+echo "configure:5080: checking for xf86vmode libs" >&5
       d=$with_xf86vmode/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_xf86vmode/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -5095,17 +5100,17 @@ if test "$with_xf86vmode" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/xf86vmode.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/xf86vmode.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/xf86vmode.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/xf86vmode.h""... $ac_c" 1>&6
-echo "configure:5110: checking for X11/extensions/xf86vmode.h" >&5
+echo "configure:5115: checking for X11/extensions/xf86vmode.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 5115 "configure"
+#line 5120 "configure"
  #include "confdefs.h"
  #include <X11/extensions/xf86vmode.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/xf86vmode.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5120: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5125: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -5149,7 +5154,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XF86VidModeGetViewPort in -lXxf86vm""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XF86VidModeGetViewPort in -lXxf86vm""... $ac_c" 1>&6
-echo "configure:5164: checking for XF86VidModeGetViewPort in -lXxf86vm" >&5
+echo "configure:5169: checking for XF86VidModeGetViewPort in -lXxf86vm" >&5
  ac_lib_var=`echo Xxf86vm'_'XF86VidModeGetViewPort | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xxf86vm'_'XF86VidModeGetViewPort | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -5157,7 +5162,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXxf86vm -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXxf86vm -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 5172 "configure"
+#line 5177 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -5168,7 +5173,7 @@ int main() {
  XF86VidModeGetViewPort()
  ; return 0; }
  EOF
  XF86VidModeGetViewPort()
  ; return 0; }
  EOF
-if { (eval echo configure:5183: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5188: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -5234,7 +5239,7 @@ fi
  
      /*)
       echo $ac_n "checking for xf86gamma headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for xf86gamma headers""... $ac_c" 1>&6
-echo "configure:5249: checking for xf86gamma headers" >&5
+echo "configure:5254: checking for xf86gamma headers" >&5
       d=$with_xf86gamma/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_xf86gamma/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -5244,7 +5249,7 @@ echo "configure:5249: checking for xf86gamma headers" >&5
       fi
  
       echo $ac_n "checking for xf86gamma libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for xf86gamma libs""... $ac_c" 1>&6
-echo "configure:5259: checking for xf86gamma libs" >&5
+echo "configure:5264: checking for xf86gamma libs" >&5
       d=$with_xf86gamma/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_xf86gamma/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -5282,17 +5287,17 @@ if test "$with_xf86gamma" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/xf86vmode.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/xf86vmode.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/xf86vmode.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/xf86vmode.h""... $ac_c" 1>&6
-echo "configure:5297: checking for X11/extensions/xf86vmode.h" >&5
+echo "configure:5302: checking for X11/extensions/xf86vmode.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 5302 "configure"
+#line 5307 "configure"
  #include "confdefs.h"
  #include <X11/extensions/xf86vmode.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/xf86vmode.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5307: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5312: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -5337,7 +5342,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XF86VidModeSetGamma in -lXxf86vm""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XF86VidModeSetGamma in -lXxf86vm""... $ac_c" 1>&6
-echo "configure:5352: checking for XF86VidModeSetGamma in -lXxf86vm" >&5
+echo "configure:5357: checking for XF86VidModeSetGamma in -lXxf86vm" >&5
  ac_lib_var=`echo Xxf86vm'_'XF86VidModeSetGamma | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xxf86vm'_'XF86VidModeSetGamma | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -5345,7 +5350,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXxf86vm -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXxf86vm -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 5360 "configure"
+#line 5365 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -5356,7 +5361,7 @@ int main() {
  XF86VidModeSetGamma()
  ; return 0; }
  EOF
  XF86VidModeSetGamma()
  ; return 0; }
  EOF
-if { (eval echo configure:5371: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5376: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -5404,7 +5409,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XF86VidModeSetGammaRamp in -lXxf86vm""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XF86VidModeSetGammaRamp in -lXxf86vm""... $ac_c" 1>&6
-echo "configure:5419: checking for XF86VidModeSetGammaRamp in -lXxf86vm" >&5
+echo "configure:5424: checking for XF86VidModeSetGammaRamp in -lXxf86vm" >&5
  ac_lib_var=`echo Xxf86vm'_'XF86VidModeSetGammaRamp | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xxf86vm'_'XF86VidModeSetGammaRamp | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -5412,7 +5417,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXxf86vm -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXxf86vm -lXext -lX11 $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 5427 "configure"
+#line 5432 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -5423,7 +5428,7 @@ int main() {
  XF86VidModeSetGammaRamp()
  ; return 0; }
  EOF
  XF86VidModeSetGammaRamp()
  ; return 0; }
  EOF
-if { (eval echo configure:5438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -5489,7 +5494,7 @@ fi
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 5504 "configure"
+#line 5509 "configure"
  #include "confdefs.h"
  #include <X11/XHPlib.h>
  EOF
  #include "confdefs.h"
  #include <X11/XHPlib.h>
  EOF
@@ -5527,7 +5532,7 @@ fi
  if test "$with_proc_interrupts" = yes; then
  
     echo $ac_n "checking whether /proc/interrupts contains keyboard data""... $ac_c" 1>&6
  if test "$with_proc_interrupts" = yes; then
  
     echo $ac_n "checking whether /proc/interrupts contains keyboard data""... $ac_c" 1>&6
-echo "configure:5542: checking whether /proc/interrupts contains keyboard data" >&5
+echo "configure:5547: checking whether /proc/interrupts contains keyboard data" >&5
  if eval "test \"`echo '$''{'ac_cv_have_proc_interrupts'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_have_proc_interrupts'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -5660,7 +5665,7 @@ fi
  
      /*)
       echo $ac_n "checking for PAM headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for PAM headers""... $ac_c" 1>&6
-echo "configure:5675: checking for PAM headers" >&5
+echo "configure:5680: checking for PAM headers" >&5
       d=$with_pam/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_pam/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -5670,7 +5675,7 @@ echo "configure:5675: checking for PAM headers" >&5
       fi
  
       echo $ac_n "checking for PAM libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for PAM libs""... $ac_c" 1>&6
-echo "configure:5685: checking for PAM libs" >&5
+echo "configure:5690: checking for PAM libs" >&5
       d=$with_pam/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_pam/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -5696,7 +5701,7 @@ echo "configure:5685: checking for PAM libs" >&5
  
  if test "$enable_locking" = yes -a "$with_pam" = yes; then
    echo $ac_n "checking for PAM""... $ac_c" 1>&6
  
  if test "$enable_locking" = yes -a "$with_pam" = yes; then
    echo $ac_n "checking for PAM""... $ac_c" 1>&6
-echo "configure:5711: checking for PAM" >&5
+echo "configure:5716: checking for PAM" >&5
  if eval "test \"`echo '$''{'ac_cv_pam'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_pam'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -5707,14 +5712,14 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 5722 "configure"
+#line 5727 "configure"
  #include "confdefs.h"
  #include <security/pam_appl.h>
  int main() {
  
  ; return 0; }
  EOF
  #include "confdefs.h"
  #include <security/pam_appl.h>
  int main() {
  
  ; return 0; }
  EOF
-if { (eval echo configure:5729: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5734: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_pam=yes
  else
    rm -rf conftest*
    ac_cv_pam=yes
  else
@@ -5739,7 +5744,7 @@ EOF
      # libpam typically requires dlopen and dlsym.  On FreeBSD,
      # those are in libc.  On Linux and Solaris, they're in libdl.
      echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
      # libpam typically requires dlopen and dlsym.  On FreeBSD,
      # those are in libc.  On Linux and Solaris, they're in libdl.
      echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:5754: checking for dlopen in -ldl" >&5
+echo "configure:5759: checking for dlopen in -ldl" >&5
  ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -5747,7 +5752,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-ldl  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-ldl  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 5762 "configure"
+#line 5767 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -5758,7 +5763,7 @@ int main() {
  dlopen()
  ; return 0; }
  EOF
  dlopen()
  ; return 0; }
  EOF
-if { (eval echo configure:5773: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5778: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -5780,12 +5785,12 @@ fi
  
  
      echo $ac_n "checking how to call pam_strerror""... $ac_c" 1>&6
  
  
      echo $ac_n "checking how to call pam_strerror""... $ac_c" 1>&6
-echo "configure:5795: checking how to call pam_strerror" >&5
+echo "configure:5800: checking how to call pam_strerror" >&5
      if eval "test \"`echo '$''{'ac_cv_pam_strerror_args'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
      if eval "test \"`echo '$''{'ac_cv_pam_strerror_args'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 5800 "configure"
+#line 5805 "configure"
  #include "confdefs.h"
  #include <stdio.h>
                        #include <stdlib.h>
  #include "confdefs.h"
  #include <stdio.h>
                        #include <stdlib.h>
@@ -5795,7 +5800,7 @@ pam_handle_t *pamh = 0;
                        char *s = pam_strerror(pamh, PAM_SUCCESS);
  ; return 0; }
  EOF
                        char *s = pam_strerror(pamh, PAM_SUCCESS);
  ; return 0; }
  EOF
-if { (eval echo configure:5810: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5815: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_pam_strerror_args=2
  else
    rm -rf conftest*
    ac_pam_strerror_args=2
  else
@@ -5803,7 +5808,7 @@ else
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    cat > conftest.$ac_ext <<EOF
    cat conftest.$ac_ext >&5
    rm -rf conftest*
    cat > conftest.$ac_ext <<EOF
-#line 5818 "configure"
+#line 5823 "configure"
  #include "confdefs.h"
  #include <stdio.h>
                                        #include <stdlib.h>
  #include "confdefs.h"
  #include <stdio.h>
                                        #include <stdlib.h>
@@ -5813,7 +5818,7 @@ char *s =
                                         pam_strerror(PAM_SUCCESS);
  ; return 0; }
  EOF
                                         pam_strerror(PAM_SUCCESS);
  ; return 0; }
  EOF
-if { (eval echo configure:5828: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5833: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_pam_strerror_args=1
  else
    rm -rf conftest*
    ac_pam_strerror_args=1
  else
@@ -5870,7 +5875,7 @@ fi
  
      /*)
       echo $ac_n "checking for Kerberos headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for Kerberos headers""... $ac_c" 1>&6
-echo "configure:5885: checking for Kerberos headers" >&5
+echo "configure:5890: checking for Kerberos headers" >&5
       d=$with_kerberos/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_kerberos/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -5880,7 +5885,7 @@ echo "configure:5885: checking for Kerberos headers" >&5
       fi
  
       echo $ac_n "checking for Kerberos libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for Kerberos libs""... $ac_c" 1>&6
-echo "configure:5895: checking for Kerberos libs" >&5
+echo "configure:5900: checking for Kerberos libs" >&5
       d=$with_kerberos/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_kerberos/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -5906,7 +5911,7 @@ echo "configure:5895: checking for Kerberos libs" >&5
  
  if test "$enable_locking" = yes -a "$with_kerberos" = yes; then
    echo $ac_n "checking for Kerberos 4""... $ac_c" 1>&6
  
  if test "$enable_locking" = yes -a "$with_kerberos" = yes; then
    echo $ac_n "checking for Kerberos 4""... $ac_c" 1>&6
-echo "configure:5921: checking for Kerberos 4" >&5
+echo "configure:5926: checking for Kerberos 4" >&5
  if eval "test \"`echo '$''{'ac_cv_kerberos'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_kerberos'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -5917,14 +5922,14 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 5932 "configure"
+#line 5937 "configure"
  #include "confdefs.h"
  #include <krb.h>
  int main() {
  
  ; return 0; }
  EOF
  #include "confdefs.h"
  #include <krb.h>
  int main() {
  
  ; return 0; }
  EOF
-if { (eval echo configure:5939: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5944: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_kerberos=yes
  else
    rm -rf conftest*
    ac_cv_kerberos=yes
  else
@@ -5939,7 +5944,7 @@ fi
  
  echo "$ac_t""$ac_cv_kerberos" 1>&6
    echo $ac_n "checking for Kerberos 5""... $ac_c" 1>&6
  
  echo "$ac_t""$ac_cv_kerberos" 1>&6
    echo $ac_n "checking for Kerberos 5""... $ac_c" 1>&6
-echo "configure:5954: checking for Kerberos 5" >&5
+echo "configure:5959: checking for Kerberos 5" >&5
  if eval "test \"`echo '$''{'ac_cv_kerberos5'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_kerberos5'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -5950,14 +5955,14 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 5965 "configure"
+#line 5970 "configure"
  #include "confdefs.h"
  #include <kerberosIV/krb.h>
  int main() {
  
  ; return 0; }
  EOF
  #include "confdefs.h"
  #include <kerberosIV/krb.h>
  int main() {
  
  ; return 0; }
  EOF
-if { (eval echo configure:5972: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5977: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_kerberos5=yes
  else
    rm -rf conftest*
    ac_cv_kerberos5=yes
  else
@@ -5998,18 +6003,18 @@ EOF
      # (who got it from amu@mit.edu)
      PASSWD_LIBS="$PASSWD_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcrypt -lcom_err"
    elif test "$have_kerberos" = yes ; then
      # (who got it from amu@mit.edu)
      PASSWD_LIBS="$PASSWD_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcrypt -lcom_err"
    elif test "$have_kerberos" = yes ; then
-    # from Tim Showalter <tjs+@andrew.cmu.edu>
-    PASSWD_LIBS="$PASSWD_LIBS -lkrb -ldes"
+    # from Tim Showalter <tjs@psaux.com> for FreeBSD 4.2
+    PASSWD_LIBS="$PASSWD_LIBS -lkrb -ldes -lcom_err"
    fi
  
    if test "$have_kerberos" = yes ; then
      echo $ac_n "checking for res_search""... $ac_c" 1>&6
    fi
  
    if test "$have_kerberos" = yes ; then
      echo $ac_n "checking for res_search""... $ac_c" 1>&6
-echo "configure:6019: checking for res_search" >&5
+echo "configure:6024: checking for res_search" >&5
  if eval "test \"`echo '$''{'ac_cv_func_res_search'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_func_res_search'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 6024 "configure"
+#line 6029 "configure"
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char res_search(); below.  */
  #include "confdefs.h"
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char res_search(); below.  */
@@ -6032,7 +6037,7 @@ res_search();
  
  ; return 0; }
  EOF
  
  ; return 0; }
  EOF
-if { (eval echo configure:6047: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_func_res_search=yes"
  else
    rm -rf conftest*
    eval "ac_cv_func_res_search=yes"
  else
@@ -6050,7 +6055,7 @@ if eval "test \"`echo '$ac_cv_func_'res_search`\" = yes"; then
  else
    echo "$ac_t""no" 1>&6
  echo $ac_n "checking for res_search in -lresolv""... $ac_c" 1>&6
  else
    echo "$ac_t""no" 1>&6
  echo $ac_n "checking for res_search in -lresolv""... $ac_c" 1>&6
-echo "configure:6065: checking for res_search in -lresolv" >&5
+echo "configure:6070: checking for res_search in -lresolv" >&5
  ac_lib_var=`echo resolv'_'res_search | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo resolv'_'res_search | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -6058,7 +6063,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lresolv  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lresolv  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 6073 "configure"
+#line 6078 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -6069,7 +6074,7 @@ int main() {
  res_search()
  ; return 0; }
  EOF
  res_search()
  ; return 0; }
  EOF
-if { (eval echo configure:6084: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6089: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -6124,7 +6129,7 @@ fi
  
      /*)
       echo $ac_n "checking for shadow password headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for shadow password headers""... $ac_c" 1>&6
-echo "configure:6139: checking for shadow password headers" >&5
+echo "configure:6144: checking for shadow password headers" >&5
       d=$with_shadow/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_shadow/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -6134,7 +6139,7 @@ echo "configure:6139: checking for shadow password headers" >&5
       fi
  
       echo $ac_n "checking for shadow password libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for shadow password libs""... $ac_c" 1>&6
-echo "configure:6149: checking for shadow password libs" >&5
+echo "configure:6154: checking for shadow password libs" >&5
       d=$with_shadow/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_shadow/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -6172,7 +6177,7 @@ fi
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for Sun-style shadow passwords""... $ac_c" 1>&6
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for Sun-style shadow passwords""... $ac_c" 1>&6
-echo "configure:6187: checking for Sun-style shadow passwords" >&5
+echo "configure:6192: checking for Sun-style shadow passwords" >&5
  if eval "test \"`echo '$''{'ac_cv_sun_adjunct'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_sun_adjunct'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -6183,7 +6188,7 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 6198 "configure"
+#line 6203 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <unistd.h>
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <unistd.h>
@@ -6196,7 +6201,7 @@ struct passwd_adjunct *p = getpwanam("nobody");
                         const char *pw = p->pwa_passwd;
  ; return 0; }
  EOF
                         const char *pw = p->pwa_passwd;
  ; return 0; }
  EOF
-if { (eval echo configure:6211: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6216: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_sun_adjunct=yes
  else
    rm -rf conftest*
    ac_cv_sun_adjunct=yes
  else
@@ -6226,7 +6231,7 @@ fi
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for DEC-style shadow passwords""... $ac_c" 1>&6
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for DEC-style shadow passwords""... $ac_c" 1>&6
-echo "configure:6241: checking for DEC-style shadow passwords" >&5
+echo "configure:6246: checking for DEC-style shadow passwords" >&5
  if eval "test \"`echo '$''{'ac_cv_enhanced_passwd'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_enhanced_passwd'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -6237,7 +6242,7 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 6252 "configure"
+#line 6257 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <unistd.h>
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <unistd.h>
@@ -6254,7 +6259,7 @@ struct pr_passwd *p;
                         pw = p->ufld.fd_encrypt;
  ; return 0; }
  EOF
                         pw = p->ufld.fd_encrypt;
  ; return 0; }
  EOF
-if { (eval echo configure:6269: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6274: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_enhanced_passwd=yes
  else
    rm -rf conftest*
    ac_cv_enhanced_passwd=yes
  else
@@ -6278,7 +6283,7 @@ echo "$ac_t""$ac_cv_enhanced_passwd" 1>&6
      # But on DEC, it's in -lsecurity.
      #
      echo $ac_n "checking for getprpwnam in -lprot""... $ac_c" 1>&6
      # But on DEC, it's in -lsecurity.
      #
      echo $ac_n "checking for getprpwnam in -lprot""... $ac_c" 1>&6
-echo "configure:6293: checking for getprpwnam in -lprot" >&5
+echo "configure:6298: checking for getprpwnam in -lprot" >&5
  ac_lib_var=`echo prot'_'getprpwnam | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo prot'_'getprpwnam | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -6286,7 +6291,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lprot -lx $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lprot -lx $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 6301 "configure"
+#line 6306 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -6297,7 +6302,7 @@ int main() {
  getprpwnam()
  ; return 0; }
  EOF
  getprpwnam()
  ; return 0; }
  EOF
-if { (eval echo configure:6312: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6317: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -6316,7 +6321,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  else
    echo "$ac_t""no" 1>&6
  echo $ac_n "checking for getprpwnam in -lsecurity""... $ac_c" 1>&6
  else
    echo "$ac_t""no" 1>&6
  echo $ac_n "checking for getprpwnam in -lsecurity""... $ac_c" 1>&6
-echo "configure:6331: checking for getprpwnam in -lsecurity" >&5
+echo "configure:6336: checking for getprpwnam in -lsecurity" >&5
  ac_lib_var=`echo security'_'getprpwnam | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo security'_'getprpwnam | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -6324,7 +6329,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lsecurity  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lsecurity  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 6339 "configure"
+#line 6344 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -6335,7 +6340,7 @@ int main() {
  getprpwnam()
  ; return 0; }
  EOF
  getprpwnam()
  ; return 0; }
  EOF
-if { (eval echo configure:6350: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6355: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -6368,7 +6373,7 @@ fi
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for HP-style shadow passwords""... $ac_c" 1>&6
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for HP-style shadow passwords""... $ac_c" 1>&6
-echo "configure:6383: checking for HP-style shadow passwords" >&5
+echo "configure:6388: checking for HP-style shadow passwords" >&5
  if eval "test \"`echo '$''{'ac_cv_hpux_passwd'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_hpux_passwd'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -6379,7 +6384,7 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 6394 "configure"
+#line 6399 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <unistd.h>
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <unistd.h>
@@ -6392,7 +6397,7 @@ struct s_passwd *p = getspwnam("nobody");
                         const char *pw = p->pw_passwd;
  ; return 0; }
  EOF
                         const char *pw = p->pw_passwd;
  ; return 0; }
  EOF
-if { (eval echo configure:6407: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6412: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_hpux_passwd=yes
  else
    rm -rf conftest*
    ac_cv_hpux_passwd=yes
  else
@@ -6413,7 +6418,7 @@ echo "$ac_t""$ac_cv_hpux_passwd" 1>&6
  
      # on HPUX, bigcrypt is in -lsec
      echo $ac_n "checking for bigcrypt in -lsec""... $ac_c" 1>&6
  
      # on HPUX, bigcrypt is in -lsec
      echo $ac_n "checking for bigcrypt in -lsec""... $ac_c" 1>&6
-echo "configure:6428: checking for bigcrypt in -lsec" >&5
+echo "configure:6433: checking for bigcrypt in -lsec" >&5
  ac_lib_var=`echo sec'_'bigcrypt | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo sec'_'bigcrypt | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -6421,7 +6426,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lsec  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lsec  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 6436 "configure"
+#line 6441 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -6432,7 +6437,7 @@ int main() {
  bigcrypt()
  ; return 0; }
  EOF
  bigcrypt()
  ; return 0; }
  EOF
-if { (eval echo configure:6447: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6452: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -6470,7 +6475,7 @@ fi
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for FreeBSD-style shadow passwords""... $ac_c" 1>&6
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for FreeBSD-style shadow passwords""... $ac_c" 1>&6
-echo "configure:6485: checking for FreeBSD-style shadow passwords" >&5
+echo "configure:6490: checking for FreeBSD-style shadow passwords" >&5
  if eval "test \"`echo '$''{'ac_cv_master_passwd'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_master_passwd'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -6496,7 +6501,7 @@ fi
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for generic shadow passwords""... $ac_c" 1>&6
  
  if test "$with_shadow" = yes ; then
    echo $ac_n "checking for generic shadow passwords""... $ac_c" 1>&6
-echo "configure:6511: checking for generic shadow passwords" >&5
+echo "configure:6516: checking for generic shadow passwords" >&5
  if eval "test \"`echo '$''{'ac_cv_shadow'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_shadow'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -6507,7 +6512,7 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 6522 "configure"
+#line 6527 "configure"
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <unistd.h>
  #include "confdefs.h"
  #include <stdlib.h>
                                      #include <unistd.h>
@@ -6519,7 +6524,7 @@ struct spwd *p = getspnam("nobody");
                         const char *pw = p->sp_pwdp;
  ; return 0; }
  EOF
                         const char *pw = p->sp_pwdp;
  ; return 0; }
  EOF
-if { (eval echo configure:6534: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6539: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_shadow=yes
  else
    rm -rf conftest*
    ac_cv_shadow=yes
  else
@@ -6540,7 +6545,7 @@ echo "$ac_t""$ac_cv_shadow" 1>&6
      # On some systems (UnixWare 2.1), getspnam() is in -lgen instead of -lc.
      have_getspnam=no
      echo $ac_n "checking for getspnam in -lc""... $ac_c" 1>&6
      # On some systems (UnixWare 2.1), getspnam() is in -lgen instead of -lc.
      have_getspnam=no
      echo $ac_n "checking for getspnam in -lc""... $ac_c" 1>&6
-echo "configure:6555: checking for getspnam in -lc" >&5
+echo "configure:6560: checking for getspnam in -lc" >&5
  ac_lib_var=`echo c'_'getspnam | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo c'_'getspnam | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -6548,7 +6553,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lc  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lc  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 6563 "configure"
+#line 6568 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -6559,7 +6564,7 @@ int main() {
  getspnam()
  ; return 0; }
  EOF
  getspnam()
  ; return 0; }
  EOF
-if { (eval echo configure:6574: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6579: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -6581,7 +6586,7 @@ fi
  
      if test "$have_getspnam" = no ; then
        echo $ac_n "checking for getspnam in -lgen""... $ac_c" 1>&6
  
      if test "$have_getspnam" = no ; then
        echo $ac_n "checking for getspnam in -lgen""... $ac_c" 1>&6
-echo "configure:6596: checking for getspnam in -lgen" >&5
+echo "configure:6601: checking for getspnam in -lgen" >&5
  ac_lib_var=`echo gen'_'getspnam | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo gen'_'getspnam | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -6589,7 +6594,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lgen  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lgen  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 6604 "configure"
+#line 6609 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -6600,7 +6605,7 @@ int main() {
  getspnam()
  ; return 0; }
  EOF
  getspnam()
  ; return 0; }
  EOF
-if { (eval echo configure:6615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6620: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -6636,7 +6641,7 @@ if test "$enable_locking" = yes ; then
    # On some systems (UnixWare 2.1), crypt() is in -lcrypt instead of -lc.
    have_crypt=no
    echo $ac_n "checking for crypt in -lc""... $ac_c" 1>&6
    # On some systems (UnixWare 2.1), crypt() is in -lcrypt instead of -lc.
    have_crypt=no
    echo $ac_n "checking for crypt in -lc""... $ac_c" 1>&6
-echo "configure:6651: checking for crypt in -lc" >&5
+echo "configure:6656: checking for crypt in -lc" >&5
  ac_lib_var=`echo c'_'crypt | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo c'_'crypt | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -6644,7 +6649,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lc  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lc  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 6659 "configure"
+#line 6664 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -6655,7 +6660,7 @@ int main() {
  crypt()
  ; return 0; }
  EOF
  crypt()
  ; return 0; }
  EOF
-if { (eval echo configure:6670: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6675: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -6677,7 +6682,7 @@ fi
  
    if test "$have_crypt" = no ; then
      echo $ac_n "checking for crypt in -lcrypt""... $ac_c" 1>&6
  
    if test "$have_crypt" = no ; then
      echo $ac_n "checking for crypt in -lcrypt""... $ac_c" 1>&6
-echo "configure:6692: checking for crypt in -lcrypt" >&5
+echo "configure:6697: checking for crypt in -lcrypt" >&5
  ac_lib_var=`echo crypt'_'crypt | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo crypt'_'crypt | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -6685,7 +6690,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lcrypt  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lcrypt  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 6700 "configure"
+#line 6705 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -6696,7 +6701,7 @@ int main() {
  crypt()
  ; return 0; }
  EOF
  crypt()
  ; return 0; }
  EOF
-if { (eval echo configure:6711: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6716: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -6780,7 +6785,7 @@ fi
  
      /*)
       echo $ac_n "checking for Motif headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for Motif headers""... $ac_c" 1>&6
-echo "configure:6795: checking for Motif headers" >&5
+echo "configure:6800: checking for Motif headers" >&5
       d=$with_motif/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_motif/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -6790,7 +6795,7 @@ echo "configure:6795: checking for Motif headers" >&5
       fi
  
       echo $ac_n "checking for Motif libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for Motif libs""... $ac_c" 1>&6
-echo "configure:6805: checking for Motif libs" >&5
+echo "configure:6810: checking for Motif libs" >&5
       d=$with_motif/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_motif/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -6829,17 +6834,17 @@ if test "$with_motif" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "Xm/Xm.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for Xm/Xm.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "Xm/Xm.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for Xm/Xm.h""... $ac_c" 1>&6
-echo "configure:6844: checking for Xm/Xm.h" >&5
+echo "configure:6849: checking for Xm/Xm.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 6849 "configure"
+#line 6854 "configure"
  #include "confdefs.h"
  #include <Xm/Xm.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <Xm/Xm.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6854: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6859: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -6878,17 +6883,17 @@ if test "$have_motif" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "Xm/ComboBox.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for Xm/ComboBox.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "Xm/ComboBox.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for Xm/ComboBox.h""... $ac_c" 1>&6
-echo "configure:6893: checking for Xm/ComboBox.h" >&5
+echo "configure:6898: checking for Xm/ComboBox.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 6898 "configure"
+#line 6903 "configure"
  #include "confdefs.h"
  #include <Xm/ComboBox.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <Xm/ComboBox.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6903: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6908: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -6951,7 +6956,7 @@ esac
  
      /*)
       echo $ac_n "checking for Gtk headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for Gtk headers""... $ac_c" 1>&6
-echo "configure:6966: checking for Gtk headers" >&5
+echo "configure:6971: checking for Gtk headers" >&5
       d=$with_gtk/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_gtk/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -6961,7 +6966,7 @@ echo "configure:6966: checking for Gtk headers" >&5
       fi
  
       echo $ac_n "checking for Gtk libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for Gtk libs""... $ac_c" 1>&6
-echo "configure:6976: checking for Gtk libs" >&5
+echo "configure:6981: checking for Gtk libs" >&5
       d=$with_gtk/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_gtk/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -7019,7 +7024,7 @@ esac
  
      /*)
       echo $ac_n "checking for Gnome headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for Gnome headers""... $ac_c" 1>&6
-echo "configure:7034: checking for Gnome headers" >&5
+echo "configure:7039: checking for Gnome headers" >&5
       d=$with_gnome/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_gnome/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -7029,7 +7034,7 @@ echo "configure:7034: checking for Gnome headers" >&5
       fi
  
       echo $ac_n "checking for Gnome libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for Gnome libs""... $ac_c" 1>&6
-echo "configure:7044: checking for Gnome libs" >&5
+echo "configure:7049: checking for Gnome libs" >&5
       d=$with_gnome/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_gnome/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -7085,7 +7090,7 @@ do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7100: checking for $ac_word" >&5
+echo "configure:7105: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_path_glib_config'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_path_glib_config'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7125,7 +7130,7 @@ do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7140: checking for $ac_word" >&5
+echo "configure:7145: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_path_gtk_config'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_path_gtk_config'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7167,7 +7172,7 @@ do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7182: checking for $ac_word" >&5
+echo "configure:7187: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_path_gnome_config'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_path_gnome_config'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7213,7 +7218,7 @@ done
  
    if test "$have_gtk" = yes; then
      echo $ac_n "checking Gtk version number""... $ac_c" 1>&6
  
    if test "$have_gtk" = yes; then
      echo $ac_n "checking Gtk version number""... $ac_c" 1>&6
-echo "configure:7228: checking Gtk version number" >&5
+echo "configure:7233: checking Gtk version number" >&5
  if eval "test \"`echo '$''{'ac_cv_gtk_version_string'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_gtk_version_string'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7242,7 +7247,7 @@ echo "$ac_t""$ac_cv_gtk_version_string" 1>&6
  
    if test "$have_gtk" = yes; then
      echo $ac_n "checking for Gtk includes""... $ac_c" 1>&6
  
    if test "$have_gtk" = yes; then
      echo $ac_n "checking for Gtk includes""... $ac_c" 1>&6
-echo "configure:7257: checking for Gtk includes" >&5
+echo "configure:7262: checking for Gtk includes" >&5
  if eval "test \"`echo '$''{'ac_cv_gtk_config_cflags'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_gtk_config_cflags'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7251,7 +7256,7 @@ fi
  
  echo "$ac_t""$ac_cv_gtk_config_cflags" 1>&6
      echo $ac_n "checking for Gtk libs""... $ac_c" 1>&6
  
  echo "$ac_t""$ac_cv_gtk_config_cflags" 1>&6
      echo $ac_n "checking for Gtk libs""... $ac_c" 1>&6
-echo "configure:7266: checking for Gtk libs" >&5
+echo "configure:7271: checking for Gtk libs" >&5
  if eval "test \"`echo '$''{'ac_cv_gtk_config_libs'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_gtk_config_libs'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7266,9 +7271,9 @@ echo "$ac_t""$ac_cv_gtk_config_libs" 1>&6
    # Check for Gnome Capplet support.
    #
    if test "$have_gnome" = yes -a "$have_gtk" = yes; then
    # Check for Gnome Capplet support.
    #
    if test "$have_gnome" = yes -a "$have_gtk" = yes; then
-    gnome_config_libs="gtk capplet gnomeui xml"
+    gnome_config_libs="gtk capplet gnomeui xml gdk_pixbuf"
      echo $ac_n "checking for Gnome capplet includes""... $ac_c" 1>&6
      echo $ac_n "checking for Gnome capplet includes""... $ac_c" 1>&6
-echo "configure:7283: checking for Gnome capplet includes" >&5
+echo "configure:7288: checking for Gnome capplet includes" >&5
      if eval "test \"`echo '$''{'ac_cv_gnome_config_cflags'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
      if eval "test \"`echo '$''{'ac_cv_gnome_config_cflags'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7291,7 +7296,7 @@ fi
  
    if test "$have_gnome" = yes -a "$have_gtk" = yes; then
      echo $ac_n "checking for Gnome capplet libs""... $ac_c" 1>&6
  
    if test "$have_gnome" = yes -a "$have_gtk" = yes; then
      echo $ac_n "checking for Gnome capplet libs""... $ac_c" 1>&6
-echo "configure:7306: checking for Gnome capplet libs" >&5
+echo "configure:7311: checking for Gnome capplet libs" >&5
      if eval "test \"`echo '$''{'ac_cv_gnome_config_libs'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
      if eval "test \"`echo '$''{'ac_cv_gnome_config_libs'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7328,6 +7333,73 @@ fi
  #define HAVE_CRAPPLET 1
  EOF
  
  #define HAVE_CRAPPLET 1
  EOF
  
+
+    # check for this function that was not in libcapplet 1.2.
+    
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  ac_save_LDFLAGS="$LDFLAGS"
+#  ac_save_LIBS="$LIBS"
+
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  # note: $X_CFLAGS includes $x_includes
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+  if test \! -z "$libdir" ; then
+    LDFLAGS="$LDFLAGS -L$libdir"
+  fi
+  # note: $X_LIBS includes $x_libraries
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+  echo $ac_n "checking for capplet_widget_changes_are_immediate in -lcapplet""... $ac_c" 1>&6
+echo "configure:7368: checking for capplet_widget_changes_are_immediate in -lcapplet" >&5
+ac_lib_var=`echo capplet'_'capplet_widget_changes_are_immediate | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lcapplet $ac_gnome_config_libs $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 7376 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char capplet_widget_changes_are_immediate();
+
+int main() {
+capplet_widget_changes_are_immediate()
+; return 0; }
+EOF
+if { (eval echo configure:7387: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  cat >> confdefs.h <<\EOF
+#define HAVE_CRAPPLET_IMMEDIATE 1
+EOF
+
+else
+  echo "$ac_t""no" 1>&6
+true
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  LDFLAGS="$ac_save_LDFLAGS"
+#  LIBS="$ac_save_LIBS"
+  
    fi
  
  
    fi
  
  
@@ -7349,7 +7421,7 @@ if test "$have_gnome" = yes; then
    # Extract the first word of "gnome-help-browser", so it can be a program name with args.
  set dummy gnome-help-browser; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
    # Extract the first word of "gnome-help-browser", so it can be a program name with args.
  set dummy gnome-help-browser; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7364: checking for $ac_word" >&5
+echo "configure:7436: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_prog_have_gnome_help'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_prog_have_gnome_help'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7389,6 +7461,7 @@ fi
  
  have_xml=no
  with_xml_req=unspecified
  
  have_xml=no
  with_xml_req=unspecified
+xml_halfassed=no
  # Check whether --with-xml or --without-xml was given.
  if test "${with_xml+set}" = set; then
    withval="$with_xml"
  # Check whether --with-xml or --without-xml was given.
  if test "${with_xml+set}" = set; then
    withval="$with_xml"
@@ -7405,7 +7478,7 @@ fi
  
      /*)
       echo $ac_n "checking for XML headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for XML headers""... $ac_c" 1>&6
-echo "configure:7420: checking for XML headers" >&5
+echo "configure:7493: checking for XML headers" >&5
       d=$with_xml/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_xml/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -7415,7 +7488,7 @@ echo "configure:7420: checking for XML headers" >&5
       fi
  
       echo $ac_n "checking for XML libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for XML libs""... $ac_c" 1>&6
-echo "configure:7430: checking for XML libs" >&5
+echo "configure:7503: checking for XML libs" >&5
       d=$with_xml/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_xml/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -7466,17 +7539,17 @@ if test "$with_xml" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "xmlIO.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for xmlIO.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "xmlIO.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for xmlIO.h""... $ac_c" 1>&6
-echo "configure:7481: checking for xmlIO.h" >&5
+echo "configure:7554: checking for xmlIO.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 7486 "configure"
+#line 7559 "configure"
  #include "confdefs.h"
  #include <xmlIO.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <xmlIO.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7491: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7564: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -7502,6 +7575,7 @@ fi
    if test "$have_xml" = yes; then
      # we have the header, now check for the library
      have_xml=no
    if test "$have_xml" = yes; then
      # we have the header, now check for the library
      have_xml=no
+    xml_halfassed=yes
      
    ac_save_CPPFLAGS="$CPPFLAGS"
    ac_save_LDFLAGS="$LDFLAGS"
      
    ac_save_CPPFLAGS="$CPPFLAGS"
    ac_save_LDFLAGS="$LDFLAGS"
@@ -7520,7 +7594,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for xmlParseChunk in -lxml""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for xmlParseChunk in -lxml""... $ac_c" 1>&6
-echo "configure:7535: checking for xmlParseChunk in -lxml" >&5
+echo "configure:7609: checking for xmlParseChunk in -lxml" >&5
  ac_lib_var=`echo xml'_'xmlParseChunk | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo xml'_'xmlParseChunk | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -7528,7 +7602,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lxml  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lxml  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 7543 "configure"
+#line 7617 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -7539,7 +7613,7 @@ int main() {
  xmlParseChunk()
  ; return 0; }
  EOF
  xmlParseChunk()
  ; return 0; }
  EOF
-if { (eval echo configure:7554: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7628: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -7555,6 +7629,7 @@ fi
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    have_xml=yes
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    have_xml=yes
+                    xml_halfassed=no
                      XML_LIBS="-lxml"
                      cat >> confdefs.h <<\EOF
  #define HAVE_XML 1
                      XML_LIBS="-lxml"
                      cat >> confdefs.h <<\EOF
  #define HAVE_XML 1
@@ -7585,7 +7660,7 @@ fi
  have_lesstif=no
  if test "$have_motif" = yes ; then
    echo $ac_n "checking whether Motif is really LessTif""... $ac_c" 1>&6
  have_lesstif=no
  if test "$have_motif" = yes ; then
    echo $ac_n "checking whether Motif is really LessTif""... $ac_c" 1>&6
-echo "configure:7600: checking whether Motif is really LessTif" >&5
+echo "configure:7675: checking whether Motif is really LessTif" >&5
  if eval "test \"`echo '$''{'ac_cv_have_lesstif'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_have_lesstif'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7596,14 +7671,14 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 7611 "configure"
+#line 7686 "configure"
  #include "confdefs.h"
  #include <Xm/Xm.h>
  int main() {
  long vers = LesstifVersion;
  ; return 0; }
  EOF
  #include "confdefs.h"
  #include <Xm/Xm.h>
  int main() {
  long vers = LesstifVersion;
  ; return 0; }
  EOF
-if { (eval echo configure:7618: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7693: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
    rm -rf conftest*
    ac_cv_have_lesstif=yes
  else
    rm -rf conftest*
    ac_cv_have_lesstif=yes
  else
@@ -7628,7 +7703,7 @@ if test "$have_lesstif" = yes ; then
    ltv=unknown
    echo unknown > conftest-lt
    echo $ac_n "checking LessTif version number""... $ac_c" 1>&6
    ltv=unknown
    echo unknown > conftest-lt
    echo $ac_n "checking LessTif version number""... $ac_c" 1>&6
-echo "configure:7643: checking LessTif version number" >&5
+echo "configure:7718: checking LessTif version number" >&5
  if eval "test \"`echo '$''{'ac_cv_lesstif_version_string'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_lesstif_version_string'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7643,7 +7718,7 @@ else
                       ac_cv_lesstif_version_string=unknown
  else
    cat > conftest.$ac_ext <<EOF
                       ac_cv_lesstif_version_string=unknown
  else
    cat > conftest.$ac_ext <<EOF
-#line 7658 "configure"
+#line 7733 "configure"
  #include "confdefs.h"
  #include <stdio.h>
                       #include <Xm/Xm.h>
  #include "confdefs.h"
  #include <stdio.h>
                       #include <Xm/Xm.h>
@@ -7656,7 +7731,7 @@ else
                         exit(0);
                       }
  EOF
                         exit(0);
                       }
  EOF
-if { (eval echo configure:7671: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7746: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
  then
    ltv=`cat conftest-lt`
                       ac_cv_lesstif_version=`echo $ltv | sed 's/ .*//'`
  then
    ltv=`cat conftest-lt`
                       ac_cv_lesstif_version=`echo $ltv | sed 's/ .*//'`
@@ -7686,7 +7761,7 @@ if test "$have_motif" = yes ; then
    mtv=unknown
    echo unknown > conftest-mt
    echo $ac_n "checking Motif version number""... $ac_c" 1>&6
    mtv=unknown
    echo unknown > conftest-mt
    echo $ac_n "checking Motif version number""... $ac_c" 1>&6
-echo "configure:7701: checking Motif version number" >&5
+echo "configure:7776: checking Motif version number" >&5
  if eval "test \"`echo '$''{'ac_cv_motif_version_string'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_motif_version_string'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -7701,7 +7776,7 @@ else
                       ac_cv_motif_version_string=unknown
  else
    cat > conftest.$ac_ext <<EOF
                       ac_cv_motif_version_string=unknown
  else
    cat > conftest.$ac_ext <<EOF
-#line 7716 "configure"
+#line 7791 "configure"
  #include "confdefs.h"
  #include <stdio.h>
                       #include <Xm/Xm.h>
  #include "confdefs.h"
  #include <stdio.h>
                       #include <Xm/Xm.h>
@@ -7714,7 +7789,7 @@ else
                         exit(0);
                       }
  EOF
                         exit(0);
                       }
  EOF
-if { (eval echo configure:7729: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7804: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
  then
    mtv=`cat conftest-mt`
                       ac_cv_motif_version=`echo $mtv | sed 's/ .*//'`
  then
    mtv=`cat conftest-mt`
                       ac_cv_motif_version=`echo $mtv | sed 's/ .*//'`
@@ -7758,7 +7833,7 @@ fi
  motif_requires_xpm=no
  if test "$have_motif" = yes ; then
     echo $ac_n "checking whether Motif requires XPM""... $ac_c" 1>&6
  motif_requires_xpm=no
  if test "$have_motif" = yes ; then
     echo $ac_n "checking whether Motif requires XPM""... $ac_c" 1>&6
-echo "configure:7773: checking whether Motif requires XPM" >&5
+echo "configure:7848: checking whether Motif requires XPM" >&5
     if test "$motif_version" = "unknown" || test "$motif_version" -ge 2000
     then
       motif_requires_xpm=yes
     if test "$motif_version" = "unknown" || test "$motif_version" -ge 2000
     then
       motif_requires_xpm=yes
@@ -7800,7 +7875,7 @@ if test "$have_motif" = yes ; then
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XpQueryExtension in -lXp""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XpQueryExtension in -lXp""... $ac_c" 1>&6
-echo "configure:7815: checking for XpQueryExtension in -lXp" >&5
+echo "configure:7890: checking for XpQueryExtension in -lXp" >&5
  ac_lib_var=`echo Xp'_'XpQueryExtension | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xp'_'XpQueryExtension | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -7808,7 +7883,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXp -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXp -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 7823 "configure"
+#line 7898 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -7819,7 +7894,7 @@ int main() {
  XpQueryExtension()
  ; return 0; }
  EOF
  XpQueryExtension()
  ; return 0; }
  EOF
-if { (eval echo configure:7834: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7909: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -7873,7 +7948,7 @@ if test "$have_motif" = yes ; then
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for _Xsetlocale in -lXintl""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for _Xsetlocale in -lXintl""... $ac_c" 1>&6
-echo "configure:7888: checking for _Xsetlocale in -lXintl" >&5
+echo "configure:7963: checking for _Xsetlocale in -lXintl" >&5
  ac_lib_var=`echo Xintl'_'_Xsetlocale | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo Xintl'_'_Xsetlocale | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -7881,7 +7956,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXintl -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXintl -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 7896 "configure"
+#line 7971 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -7892,7 +7967,7 @@ int main() {
  _Xsetlocale()
  ; return 0; }
  EOF
  _Xsetlocale()
  ; return 0; }
  EOF
-if { (eval echo configure:7907: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7982: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -7949,7 +8024,7 @@ fi
  
      /*)
       echo $ac_n "checking for GL headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for GL headers""... $ac_c" 1>&6
-echo "configure:7964: checking for GL headers" >&5
+echo "configure:8039: checking for GL headers" >&5
       d=$with_gl/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_gl/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -7959,7 +8034,7 @@ echo "configure:7964: checking for GL headers" >&5
       fi
  
       echo $ac_n "checking for GL libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for GL libs""... $ac_c" 1>&6
-echo "configure:7974: checking for GL libs" >&5
+echo "configure:8049: checking for GL libs" >&5
       d=$with_gl/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_gl/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -7995,17 +8070,17 @@ if test "$with_gl" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/gl.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/gl.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/gl.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/gl.h""... $ac_c" 1>&6
-echo "configure:8010: checking for GL/gl.h" >&5
+echo "configure:8085: checking for GL/gl.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 8015 "configure"
+#line 8090 "configure"
  #include "confdefs.h"
  #include <GL/gl.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <GL/gl.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8020: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8095: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -8036,17 +8111,17 @@ fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/glx.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/glx.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/glx.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/glx.h""... $ac_c" 1>&6
-echo "configure:8051: checking for GL/glx.h" >&5
+echo "configure:8126: checking for GL/glx.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 8056 "configure"
+#line 8131 "configure"
  #include "confdefs.h"
  #include <GL/glx.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <GL/glx.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8061: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8136: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -8078,7 +8153,7 @@ fi
      # to link against.
      #
      echo $ac_n "checking whether GL is really MesaGL""... $ac_c" 1>&6
      # to link against.
      #
      echo $ac_n "checking whether GL is really MesaGL""... $ac_c" 1>&6
-echo "configure:8093: checking whether GL is really MesaGL" >&5
+echo "configure:8168: checking whether GL is really MesaGL" >&5
  if eval "test \"`echo '$''{'ac_cv_have_mesa_gl'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_have_mesa_gl'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -8090,7 +8165,7 @@ else
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
    fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    cat > conftest.$ac_ext <<EOF
-#line 8105 "configure"
+#line 8180 "configure"
  #include "confdefs.h"
  #include <GL/glx.h>
  EOF
  #include "confdefs.h"
  #include <GL/glx.h>
  EOF
@@ -8119,7 +8194,7 @@ echo "$ac_t""$ac_cv_have_mesa_gl" 1>&6
      #
      if test "$ac_have_mesa_gl" = yes; then
        echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
      #
      if test "$ac_have_mesa_gl" = yes; then
        echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:8134: checking for pthread_create in -lpthread" >&5
+echo "configure:8209: checking for pthread_create in -lpthread" >&5
  ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -8127,7 +8202,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lpthread  $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lpthread  $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 8142 "configure"
+#line 8217 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -8138,7 +8213,7 @@ int main() {
  pthread_create()
  ; return 0; }
  EOF
  pthread_create()
  ; return 0; }
  EOF
-if { (eval echo configure:8153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8228: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -8185,7 +8260,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for glXCreateContext in -lMesaGL""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for glXCreateContext in -lMesaGL""... $ac_c" 1>&6
-echo "configure:8200: checking for glXCreateContext in -lMesaGL" >&5
+echo "configure:8275: checking for glXCreateContext in -lMesaGL" >&5
  ac_lib_var=`echo MesaGL'_'glXCreateContext | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo MesaGL'_'glXCreateContext | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -8193,7 +8268,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lMesaGL -lMesaGLU $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lMesaGL -lMesaGLU $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 8208 "configure"
+#line 8283 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -8204,7 +8279,7 @@ int main() {
  glXCreateContext()
  ; return 0; }
  EOF
  glXCreateContext()
  ; return 0; }
  EOF
-if { (eval echo configure:8219: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8294: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -8250,7 +8325,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for glXCreateContext in -lGL""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for glXCreateContext in -lGL""... $ac_c" 1>&6
-echo "configure:8265: checking for glXCreateContext in -lGL" >&5
+echo "configure:8340: checking for glXCreateContext in -lGL" >&5
  ac_lib_var=`echo GL'_'glXCreateContext | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo GL'_'glXCreateContext | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -8258,7 +8333,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lGL -lGLU $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lGL -lGLU $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 8273 "configure"
+#line 8348 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -8269,7 +8344,7 @@ int main() {
  glXCreateContext()
  ; return 0; }
  EOF
  glXCreateContext()
  ; return 0; }
  EOF
-if { (eval echo configure:8284: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8359: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -8327,12 +8402,12 @@ EOF
      if test "$ac_have_mesa_gl" = yes; then
  
        echo $ac_n "checking MesaGL version number""... $ac_c" 1>&6
      if test "$ac_have_mesa_gl" = yes; then
  
        echo $ac_n "checking MesaGL version number""... $ac_c" 1>&6
-echo "configure:8342: checking MesaGL version number" >&5
+echo "configure:8417: checking MesaGL version number" >&5
  if eval "test \"`echo '$''{'ac_cv_mesagl_version_string'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_mesagl_version_string'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 8347 "configure"
+#line 8422 "configure"
  #include "confdefs.h"
  #include <GL/gl.h>
  #ifndef MESA_MAJOR_VERSION
  #include "confdefs.h"
  #include <GL/gl.h>
  #ifndef MESA_MAJOR_VERSION
@@ -8403,7 +8478,7 @@ echo "$ac_t""$ac_cv_mesagl_version_string" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for glBindTexture in -l$gl_lib_1""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for glBindTexture in -l$gl_lib_1""... $ac_c" 1>&6
-echo "configure:8418: checking for glBindTexture in -l$gl_lib_1" >&5
+echo "configure:8493: checking for glBindTexture in -l$gl_lib_1" >&5
  ac_lib_var=`echo $gl_lib_1'_'glBindTexture | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo $gl_lib_1'_'glBindTexture | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -8411,7 +8486,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-l$gl_lib_1 $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-l$gl_lib_1 $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 8426 "configure"
+#line 8501 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -8422,7 +8497,7 @@ int main() {
  glBindTexture()
  ; return 0; }
  EOF
  glBindTexture()
  ; return 0; }
  EOF
-if { (eval echo configure:8437: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8512: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -8483,7 +8558,7 @@ fi
  
      /*)
       echo $ac_n "checking for GLE headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for GLE headers""... $ac_c" 1>&6
-echo "configure:8498: checking for GLE headers" >&5
+echo "configure:8573: checking for GLE headers" >&5
       d=$with_gle/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_gle/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -8493,7 +8568,7 @@ echo "configure:8498: checking for GLE headers" >&5
       fi
  
       echo $ac_n "checking for GLE libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for GLE libs""... $ac_c" 1>&6
-echo "configure:8508: checking for GLE libs" >&5
+echo "configure:8583: checking for GLE libs" >&5
       d=$with_gle/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_gle/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -8529,17 +8604,17 @@ if test "$with_gle" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/gle.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/gle.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/gle.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/gle.h""... $ac_c" 1>&6
-echo "configure:8544: checking for GL/gle.h" >&5
+echo "configure:8619: checking for GL/gle.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 8549 "configure"
+#line 8624 "configure"
  #include "confdefs.h"
  #include <GL/gle.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <GL/gle.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8554: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8629: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -8572,17 +8647,17 @@ fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/gutil.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/gutil.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/gutil.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/gutil.h""... $ac_c" 1>&6
-echo "configure:8587: checking for GL/gutil.h" >&5
+echo "configure:8662: checking for GL/gutil.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 8592 "configure"
+#line 8667 "configure"
  #include "confdefs.h"
  #include <GL/gutil.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <GL/gutil.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8597: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8672: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -8613,17 +8688,17 @@ fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/tube.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/tube.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "GL/tube.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for GL/tube.h""... $ac_c" 1>&6
-echo "configure:8628: checking for GL/tube.h" >&5
+echo "configure:8703: checking for GL/tube.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 8633 "configure"
+#line 8708 "configure"
  #include "confdefs.h"
  #include <GL/tube.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <GL/tube.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8638: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8713: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -8669,7 +8744,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for gleCreateGC in -lgle""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for gleCreateGC in -lgle""... $ac_c" 1>&6
-echo "configure:8684: checking for gleCreateGC in -lgle" >&5
+echo "configure:8759: checking for gleCreateGC in -lgle" >&5
  ac_lib_var=`echo gle'_'gleCreateGC | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo gle'_'gleCreateGC | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -8677,7 +8752,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lgle $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lgle $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 8692 "configure"
+#line 8767 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -8688,7 +8763,7 @@ int main() {
  gleCreateGC()
  ; return 0; }
  EOF
  gleCreateGC()
  ; return 0; }
  EOF
-if { (eval echo configure:8703: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8778: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -8748,7 +8823,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for uview_direction in -lgle""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for uview_direction in -lgle""... $ac_c" 1>&6
-echo "configure:8763: checking for uview_direction in -lgle" >&5
+echo "configure:8838: checking for uview_direction in -lgle" >&5
  ac_lib_var=`echo gle'_'uview_direction | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo gle'_'uview_direction | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -8756,7 +8831,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lgle $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lgle $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 8771 "configure"
+#line 8846 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -8767,7 +8842,7 @@ int main() {
  uview_direction()
  ; return 0; }
  EOF
  uview_direction()
  ; return 0; }
  EOF
-if { (eval echo configure:8782: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8857: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -8812,7 +8887,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for uview_direction_d in -lmatrix""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for uview_direction_d in -lmatrix""... $ac_c" 1>&6
-echo "configure:8827: checking for uview_direction_d in -lmatrix" >&5
+echo "configure:8902: checking for uview_direction_d in -lmatrix" >&5
  ac_lib_var=`echo matrix'_'uview_direction_d | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo matrix'_'uview_direction_d | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -8820,7 +8895,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lmatrix $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lmatrix $GL_LIBS -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 8835 "configure"
+#line 8910 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -8831,7 +8906,7 @@ int main() {
  uview_direction_d()
  ; return 0; }
  EOF
  uview_direction_d()
  ; return 0; }
  EOF
-if { (eval echo configure:8846: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8921: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -8904,7 +8979,7 @@ fi
  
      /*)
       echo $ac_n "checking for XPM headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for XPM headers""... $ac_c" 1>&6
-echo "configure:8919: checking for XPM headers" >&5
+echo "configure:8994: checking for XPM headers" >&5
       d=$with_xpm/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_xpm/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -8914,7 +8989,7 @@ echo "configure:8919: checking for XPM headers" >&5
       fi
  
       echo $ac_n "checking for XPM libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for XPM libs""... $ac_c" 1>&6
-echo "configure:8929: checking for XPM libs" >&5
+echo "configure:9004: checking for XPM libs" >&5
       d=$with_xpm/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_xpm/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -8947,17 +9022,17 @@ if test "$with_xpm" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/xpm.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/xpm.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/xpm.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/xpm.h""... $ac_c" 1>&6
-echo "configure:8962: checking for X11/xpm.h" >&5
+echo "configure:9037: checking for X11/xpm.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 8967 "configure"
+#line 9042 "configure"
  #include "confdefs.h"
  #include <X11/xpm.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/xpm.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8972: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9047: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -8999,6 +9074,356 @@ if test "$have_motif" = yes -a "$have_xpm" = yes ; then
  fi
  
  
  fi
  
  
+###############################################################################
+#
+#       Check for -lgdk_pixbuf.
+#
+###############################################################################
+
+have_gdk_pixbuf=no
+with_gdk_pixbuf_req=unspecified
+# Check whether --with-pixbuf or --without-pixbuf was given.
+if test "${with_pixbuf+set}" = set; then
+  withval="$with_pixbuf"
+  with_gdk_pixbuf="$withval"; with_gdk_pixbuf_req="$withval"
+else
+  with_gdk_pixbuf=yes
+fi
+
+
+
+   case "$with_gdk_pixbuf" in
+    yes) ;;
+    no)  ;;
+
+    /*)
+     echo $ac_n "checking for GDK_PIXBUF headers""... $ac_c" 1>&6
+echo "configure:9113: checking for GDK_PIXBUF headers" >&5
+     d=$with_gdk_pixbuf/include
+     if test -d $d; then
+       X_CFLAGS="-I$d $X_CFLAGS"
+       echo "$ac_t""$d" 1>&6
+     else
+       echo "$ac_t""not found ($d: no such directory)" 1>&6
+     fi
+
+     echo $ac_n "checking for GDK_PIXBUF libs""... $ac_c" 1>&6
+echo "configure:9123: checking for GDK_PIXBUF libs" >&5
+     d=$with_gdk_pixbuf/lib
+     if test -d $d; then
+       X_LIBS="-L$d $X_LIBS"
+       echo "$ac_t""$d" 1>&6
+     else
+       echo "$ac_t""not found ($d: no such directory)" 1>&6
+     fi
+
+     # replace the directory string with "yes".
+     with_gdk_pixbuf_req="yes"
+     with_gdk_pixbuf=$with_gdk_pixbuf_req
+     ;;
+
+    *)
+     echo ""
+     echo "error: argument to --with-pixbuf must be \"yes\", \"no\", or a directory."
+     echo "       If it is a directory, then \`DIR/include' will be added to"
+     echo "       the -I list, and \`DIR/lib' will be added to the -L list."
+     exit 1
+     ;;
+   esac
+  
+
+if test "$with_gdk_pixbuf" = yes; then
+
+  if test "$have_gtk" = yes; then
+
+    ac_save_gdk_CPPFLAGS="$CPPFLAGS"
+    CPPFLAGS="$CPPFLAGS $ac_gtk_config_cflags"
+
+    have_gdk_pixbuf=no
+    
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  ac_safe=`echo "gdk-pixbuf/gdk-pixbuf.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for gdk-pixbuf/gdk-pixbuf.h""... $ac_c" 1>&6
+echo "configure:9163: checking for gdk-pixbuf/gdk-pixbuf.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 9168 "configure"
+#include "confdefs.h"
+#include <gdk-pixbuf/gdk-pixbuf.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:9173: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  have_gdk_pixbuf=yes
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+    if test "$have_gdk_pixbuf" = yes; then
+      have_gdk_pixbuf=no
+      
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  ac_safe=`echo "gdk-pixbuf/gdk-pixbuf-xlib.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for gdk-pixbuf/gdk-pixbuf-xlib.h""... $ac_c" 1>&6
+echo "configure:9205: checking for gdk-pixbuf/gdk-pixbuf-xlib.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 9210 "configure"
+#include "confdefs.h"
+#include <gdk-pixbuf/gdk-pixbuf-xlib.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:9215: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  have_gdk_pixbuf=yes
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+    fi
+
+    CPPFLAGS="$ac_save_gdk_CPPFLAGS"
+
+    if test "$have_gdk_pixbuf" = yes; then
+      cat >> confdefs.h <<\EOF
+#define HAVE_GDK_PIXBUF 1
+EOF
+
+      XPM_LIBS="-lgdk_pixbuf -lgdk_pixbuf_xlib"
+    fi
+  fi
+
+elif test "$with_gdk_pixbuf" != no; then
+  echo "error: must be yes or no: --with-pixbuf=$with_gdk_pixbuf"
+  exit 1
+fi
+
+
+###############################################################################
+#
+#       Check for -ljpeg
+#
+###############################################################################
+
+have_jpeg=no
+with_jpeg_req=unspecified
+jpeg_halfassed=no
+# Check whether --with-jpeg or --without-jpeg was given.
+if test "${with_jpeg+set}" = set; then
+  withval="$with_jpeg"
+  with_jpeg="$withval"; with_jpeg_req="$withval"
+else
+  with_jpeg=yes
+fi
+
+
+
+   case "$with_jpeg" in
+    yes) ;;
+    no)  ;;
+
+    /*)
+     echo $ac_n "checking for JPEG headers""... $ac_c" 1>&6
+echo "configure:9281: checking for JPEG headers" >&5
+     d=$with_jpeg/include
+     if test -d $d; then
+       X_CFLAGS="-I$d $X_CFLAGS"
+       echo "$ac_t""$d" 1>&6
+     else
+       echo "$ac_t""not found ($d: no such directory)" 1>&6
+     fi
+
+     echo $ac_n "checking for JPEG libs""... $ac_c" 1>&6
+echo "configure:9291: checking for JPEG libs" >&5
+     d=$with_jpeg/lib
+     if test -d $d; then
+       X_LIBS="-L$d $X_LIBS"
+       echo "$ac_t""$d" 1>&6
+     else
+       echo "$ac_t""not found ($d: no such directory)" 1>&6
+     fi
+
+     # replace the directory string with "yes".
+     with_jpeg_req="yes"
+     with_jpeg=$with_jpeg_req
+     ;;
+
+    *)
+     echo ""
+     echo "error: argument to --with-jpeg must be \"yes\", \"no\", or a directory."
+     echo "       If it is a directory, then \`DIR/include' will be added to"
+     echo "       the -I list, and \`DIR/lib' will be added to the -L list."
+     exit 1
+     ;;
+   esac
+  
+
+if test "$with_jpeg" != yes -a "$with_jpeg" != no ; then
+  echo "error: must be yes or no: --with-jpeg=$with_jpeg"
+  exit 1
+fi
+
+if test "$with_jpeg" = yes; then
+
+  have_jpeg=no
+  
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  ac_safe=`echo "jpeglib.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for jpeglib.h""... $ac_c" 1>&6
+echo "configure:9331: checking for jpeglib.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 9336 "configure"
+#include "confdefs.h"
+#include <jpeglib.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:9341: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  have_jpeg=yes
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+
+  if test "$have_jpeg" = yes; then
+    # we have the header, now check for the library
+    have_jpeg=no
+    jpeg_halfassed=yes
+    
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  ac_save_LDFLAGS="$LDFLAGS"
+#  ac_save_LIBS="$LIBS"
+
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  # note: $X_CFLAGS includes $x_includes
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+  if test \! -z "$libdir" ; then
+    LDFLAGS="$LDFLAGS -L$libdir"
+  fi
+  # note: $X_LIBS includes $x_libraries
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+  echo $ac_n "checking for jpeg_start_compress in -ljpeg""... $ac_c" 1>&6
+echo "configure:9386: checking for jpeg_start_compress in -ljpeg" >&5
+ac_lib_var=`echo jpeg'_'jpeg_start_compress | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-ljpeg  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 9394 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char jpeg_start_compress();
+
+int main() {
+jpeg_start_compress()
+; return 0; }
+EOF
+if { (eval echo configure:9405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  have_jpeg=yes
+                    jpeg_halfassed=no
+                    JPEG_LIBS="-ljpeg"
+                    cat >> confdefs.h <<\EOF
+#define HAVE_JPEGLIB 1
+EOF
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  LDFLAGS="$ac_save_LDFLAGS"
+#  LIBS="$ac_save_LIBS"
+  
+  fi
+fi
+
+
  ###############################################################################
  #
  #       Check for the XSHM server extension.
  ###############################################################################
  #
  #       Check for the XSHM server extension.
@@ -9023,7 +9448,7 @@ fi
  
      /*)
       echo $ac_n "checking for XSHM headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for XSHM headers""... $ac_c" 1>&6
-echo "configure:9038: checking for XSHM headers" >&5
+echo "configure:9463: checking for XSHM headers" >&5
       d=$with_xshm/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_xshm/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -9033,7 +9458,7 @@ echo "configure:9038: checking for XSHM headers" >&5
       fi
  
       echo $ac_n "checking for XSHM libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for XSHM libs""... $ac_c" 1>&6
-echo "configure:9048: checking for XSHM libs" >&5
+echo "configure:9473: checking for XSHM libs" >&5
       d=$with_xshm/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_xshm/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -9068,17 +9493,17 @@ if test "$with_xshm" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/XShm.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/XShm.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/XShm.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/XShm.h""... $ac_c" 1>&6
-echo "configure:9083: checking for X11/extensions/XShm.h" >&5
+echo "configure:9508: checking for X11/extensions/XShm.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 9088 "configure"
+#line 9513 "configure"
  #include "confdefs.h"
  #include <X11/extensions/XShm.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/XShm.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:9093: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9518: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -9112,17 +9537,17 @@ fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "sys/ipc.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for sys/ipc.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "sys/ipc.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for sys/ipc.h""... $ac_c" 1>&6
-echo "configure:9127: checking for sys/ipc.h" >&5
+echo "configure:9552: checking for sys/ipc.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 9132 "configure"
+#line 9557 "configure"
  #include "confdefs.h"
  #include <sys/ipc.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <sys/ipc.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:9137: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9562: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -9157,17 +9582,17 @@ fi
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "sys/shm.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for sys/shm.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "sys/shm.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for sys/shm.h""... $ac_c" 1>&6
-echo "configure:9172: checking for sys/shm.h" >&5
+echo "configure:9597: checking for sys/shm.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 9177 "configure"
+#line 9602 "configure"
  #include "confdefs.h"
  #include <sys/shm.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <sys/shm.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:9182: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9607: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -9219,7 +9644,7 @@ fi
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XShmQueryExtension in -lXextSam""... $ac_c" 1>&6
    LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
  
    echo $ac_n "checking for XShmQueryExtension in -lXextSam""... $ac_c" 1>&6
-echo "configure:9234: checking for XShmQueryExtension in -lXextSam" >&5
+echo "configure:9659: checking for XShmQueryExtension in -lXextSam" >&5
  ac_lib_var=`echo XextSam'_'XShmQueryExtension | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  ac_lib_var=`echo XextSam'_'XShmQueryExtension | sed 'y%./+-%__p_%'`
  if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
@@ -9227,7 +9652,7 @@ else
    ac_save_LIBS="$LIBS"
  LIBS="-lXextSam -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
    ac_save_LIBS="$LIBS"
  LIBS="-lXextSam -lX11 -lXext -lm $LIBS"
  cat > conftest.$ac_ext <<EOF
-#line 9242 "configure"
+#line 9667 "configure"
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
  #include "confdefs.h"
  /* Override any gcc2 internal prototype to avoid an error.  */
  /* We use char because int might match the return type of a gcc2
@@ -9238,7 +9663,7 @@ int main() {
  XShmQueryExtension()
  ; return 0; }
  EOF
  XShmQueryExtension()
  ; return 0; }
  EOF
-if { (eval echo configure:9253: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9678: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
    rm -rf conftest*
    eval "ac_cv_lib_$ac_lib_var=yes"
  else
@@ -9305,7 +9730,7 @@ fi
  
      /*)
       echo $ac_n "checking for DOUBLE-BUFFER headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for DOUBLE-BUFFER headers""... $ac_c" 1>&6
-echo "configure:9320: checking for DOUBLE-BUFFER headers" >&5
+echo "configure:9745: checking for DOUBLE-BUFFER headers" >&5
       d=$with_xdbe/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_xdbe/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -9315,7 +9740,7 @@ echo "configure:9320: checking for DOUBLE-BUFFER headers" >&5
       fi
  
       echo $ac_n "checking for DOUBLE-BUFFER libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for DOUBLE-BUFFER libs""... $ac_c" 1>&6
-echo "configure:9330: checking for DOUBLE-BUFFER libs" >&5
+echo "configure:9755: checking for DOUBLE-BUFFER libs" >&5
       d=$with_xdbe/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_xdbe/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -9349,17 +9774,17 @@ if test "$with_xdbe" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/Xdbe.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/Xdbe.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/Xdbe.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/Xdbe.h""... $ac_c" 1>&6
-echo "configure:9364: checking for X11/extensions/Xdbe.h" >&5
+echo "configure:9789: checking for X11/extensions/Xdbe.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 9369 "configure"
+#line 9794 "configure"
  #include "confdefs.h"
  #include <X11/extensions/Xdbe.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/Xdbe.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:9374: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9799: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -9422,7 +9847,7 @@ fi
  
      /*)
       echo $ac_n "checking for XReadDisplay headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for XReadDisplay headers""... $ac_c" 1>&6
-echo "configure:9437: checking for XReadDisplay headers" >&5
+echo "configure:9862: checking for XReadDisplay headers" >&5
       d=$with_readdisplay/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$with_readdisplay/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -9432,7 +9857,7 @@ echo "configure:9437: checking for XReadDisplay headers" >&5
       fi
  
       echo $ac_n "checking for XReadDisplay libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for XReadDisplay libs""... $ac_c" 1>&6
-echo "configure:9447: checking for XReadDisplay libs" >&5
+echo "configure:9872: checking for XReadDisplay libs" >&5
       d=$with_readdisplay/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$with_readdisplay/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -9465,17 +9890,17 @@ if test "$with_readdisplay" = yes; then
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/readdisplay.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/readdisplay.h""... $ac_c" 1>&6
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    ac_safe=`echo "X11/extensions/readdisplay.h" | sed 'y%./+-%__p_%'`
  echo $ac_n "checking for X11/extensions/readdisplay.h""... $ac_c" 1>&6
-echo "configure:9480: checking for X11/extensions/readdisplay.h" >&5
+echo "configure:9905: checking for X11/extensions/readdisplay.h" >&5
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
    cat > conftest.$ac_ext <<EOF
-#line 9485 "configure"
+#line 9910 "configure"
  #include "confdefs.h"
  #include <X11/extensions/readdisplay.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
  #include "confdefs.h"
  #include <X11/extensions/readdisplay.h>
  EOF
  ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:9490: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9915: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
  ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
  if test -z "$ac_err"; then
    rm -rf conftest*
@@ -9540,7 +9965,7 @@ if test -n "$with_fortune_req" ; then
  
        set dummy $with_fortune_req ; fortune_tmp=$2
        echo $ac_n "checking for $fortune_tmp""... $ac_c" 1>&6
  
        set dummy $with_fortune_req ; fortune_tmp=$2
        echo $ac_n "checking for $fortune_tmp""... $ac_c" 1>&6
-echo "configure:9555: checking for $fortune_tmp" >&5
+echo "configure:9980: checking for $fortune_tmp" >&5
        if test -x "$fortune_tmp" ; then
          echo "$ac_t""yes" 1>&6
        else
        if test -x "$fortune_tmp" ; then
          echo "$ac_t""yes" 1>&6
        else
@@ -9555,7 +9980,7 @@ echo "configure:9555: checking for $fortune_tmp" >&5
        # Extract the first word of "$fortune_tmp", so it can be a program name with args.
  set dummy $fortune_tmp; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
        # Extract the first word of "$fortune_tmp", so it can be a program name with args.
  set dummy $fortune_tmp; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:9570: checking for $ac_word" >&5
+echo "configure:9995: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_path_fortune_tmp'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_path_fortune_tmp'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -9609,7 +10034,7 @@ do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:9624: checking for $ac_word" >&5
+echo "configure:10049: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_path_fortune_tmp'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_path_fortune_tmp'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -9652,7 +10077,7 @@ do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
  # Extract the first word of "$ac_prog", so it can be a program name with args.
  set dummy $ac_prog; ac_word=$2
  echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:9667: checking for $ac_word" >&5
+echo "configure:10092: checking for $ac_word" >&5
  if eval "test \"`echo '$''{'ac_cv_prog_fortune_tmp'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
  if eval "test \"`echo '$''{'ac_cv_prog_fortune_tmp'+set}'`\" = set"; then
    echo $ac_n "(cached) $ac_c" 1>&6
  else
@@ -9694,7 +10119,7 @@ done
    #
    fortune_tmp="$fortune_tmp zippy"
    echo $ac_n "checking for zippy quotes""... $ac_c" 1>&6
    #
    fortune_tmp="$fortune_tmp zippy"
    echo $ac_n "checking for zippy quotes""... $ac_c" 1>&6
-echo "configure:9709: checking for zippy quotes" >&5
+echo "configure:10134: checking for zippy quotes" >&5
    if ( $fortune_tmp >/dev/null 2>&1 ); then
      ac_cv_fortune_program="$fortune_tmp"
      echo "$ac_t""$fortune_tmp" 1>&6
    if ( $fortune_tmp >/dev/null 2>&1 ); then
      ac_cv_fortune_program="$fortune_tmp"
      echo "$ac_t""$fortune_tmp" 1>&6
@@ -9738,7 +10163,7 @@ fi
  
      /*)
       echo $ac_n "checking for setuid hacks headers""... $ac_c" 1>&6
  
      /*)
       echo $ac_n "checking for setuid hacks headers""... $ac_c" 1>&6
-echo "configure:9753: checking for setuid hacks headers" >&5
+echo "configure:10178: checking for setuid hacks headers" >&5
       d=$setuid_hacks/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
       d=$setuid_hacks/include
       if test -d $d; then
         X_CFLAGS="-I$d $X_CFLAGS"
@@ -9748,7 +10173,7 @@ echo "configure:9753: checking for setuid hacks headers" >&5
       fi
  
       echo $ac_n "checking for setuid hacks libs""... $ac_c" 1>&6
       fi
  
       echo $ac_n "checking for setuid hacks libs""... $ac_c" 1>&6
-echo "configure:9763: checking for setuid hacks libs" >&5
+echo "configure:10188: checking for setuid hacks libs" >&5
       d=$setuid_hacks/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
       d=$setuid_hacks/lib
       if test -d $d; then
         X_LIBS="-L$d $X_LIBS"
@@ -9866,6 +10291,10 @@ else
    GLE_KLUDGE="-${tab}   "
  fi
  
    GLE_KLUDGE="-${tab}   "
  fi
  
+if test "$have_jpeg" = yes -a "$have_gdk_pixbuf" = yes; then
+ JPEG_EXES='$(JPEG_EXES)'
+fi
+
  
  # Another substitution in the XScreenSaver.ad.in file:
  #
  
  # Another substitution in the XScreenSaver.ad.in file:
  #
@@ -9888,6 +10317,10 @@ if test -z "$HACK_CONF_DIR" ; then
    fi
  fi
  
    fi
  fi
  
+# canonicalize slashes.
+HACK_CONF_DIR=`echo "${HACK_CONF_DIR}" | sed 's@/$@@;s@//*@/@g'`
+
+
  
  ###############################################################################
  #
  
  ###############################################################################
  #
@@ -9935,6 +10368,8 @@ fi
  
  
  
  
  
  
+
+
  
  
  
  
  
  
@@ -10112,6 +10547,7 @@ s%@SAVER_LIBS@%$SAVER_LIBS%g
  s%@MOTIF_LIBS@%$MOTIF_LIBS%g
  s%@GTK_LIBS@%$GTK_LIBS%g
  s%@XML_LIBS@%$XML_LIBS%g
  s%@MOTIF_LIBS@%$MOTIF_LIBS%g
  s%@GTK_LIBS@%$GTK_LIBS%g
  s%@XML_LIBS@%$XML_LIBS%g
+s%@JPEG_LIBS@%$JPEG_LIBS%g
  s%@HACK_LIBS@%$HACK_LIBS%g
  s%@XPM_LIBS@%$XPM_LIBS%g
  s%@GL_LIBS@%$GL_LIBS%g
  s%@HACK_LIBS@%$HACK_LIBS%g
  s%@XPM_LIBS@%$XPM_LIBS%g
  s%@GL_LIBS@%$GL_LIBS%g
@@ -10133,6 +10569,7 @@ s%@SAVER_GL_OBJS@%$SAVER_GL_OBJS%g
  s%@SAVER_GL_LIBS@%$SAVER_GL_LIBS%g
  s%@LOCK_SRCS@%$LOCK_SRCS%g
  s%@LOCK_OBJS@%$LOCK_OBJS%g
  s%@SAVER_GL_LIBS@%$SAVER_GL_LIBS%g
  s%@LOCK_SRCS@%$LOCK_SRCS%g
  s%@LOCK_OBJS@%$LOCK_OBJS%g
+s%@JPEG_EXES@%$JPEG_EXES%g
  s%@GL_EXES@%$GL_EXES%g
  s%@GL_UTIL_EXES@%$GL_UTIL_EXES%g
  s%@GL_MEN@%$GL_MEN%g
  s%@GL_EXES@%$GL_EXES%g
  s%@GL_UTIL_EXES@%$GL_UTIL_EXES%g
  s%@GL_MEN@%$GL_MEN%g
@@ -10506,17 +10943,33 @@ if test "$with_gnome_req" = yes -a "$have_gnome" = no ; then
    warn2 'headers and/or libraries were not found.'
  fi
  
    warn2 'headers and/or libraries were not found.'
  fi
  
-if test "$with_xml_req" = yes -a "$have_xml" = no ; then
-  warn  'Use of the XML library was requested, but the necessary'
-  warn2 'headers and/or libraries were not found.'
-elif test "$have_gtk" = yes -a "$have_xml" = no ; then
-  warn  'GTK is being used, but the XML library was not found.'
-  warn2 'Some functionality will be disabled.'
+if test "$have_gtk" = yes ; then
+  if test "$have_xml" = no ; then
+    if test "$with_xml_req" = yes ; then
+      warn  'Use of the XML library was requested, but the necessary'
+      warn2 'headers and/or libraries were not found.'
+    else
+      warn  'GTK is being used, but the XML library was not found.'
+    fi
+
+    if test "$xml_halfassed" = yes ; then
+      echo ''
+      warn2 'More specifically, we found the headers, but not the'
+      warn2 'libraries; so either XML is half-installed on this'
+      warn2 "system, or something else went wrong.  The \`config.log'"
+      warn2 'file might contain some clues.'
+    fi
+
+    echo ''
+    warn2 "Without XML, the per-display-mode \`Settings' dialogs"
+    warn2 'will not be available.  Specify the location of the XML'
+    warn2 'library through the --with-xml option to configure.'
+  fi
  fi
  
  if test "$have_motif" = yes -a "$have_lesstif" = yes ; then
  
  fi
  
  if test "$have_motif" = yes -a "$have_lesstif" = yes ; then
  
-  preferred_lesstif=0.86
+  preferred_lesstif=0.92
  
    if test "$lesstif_version" = unknown; then
      warnL "Unable to determine the LessTif version number!"
  
    if test "$lesstif_version" = unknown; then
      warnL "Unable to determine the LessTif version number!"
@@ -10533,22 +10986,77 @@ if test "$have_motif" = yes -a "$have_lesstif" = yes ; then
  fi
  
  
  fi
  
  
+if test "$have_motif" = yes -a "$have_gtk" = no ; then
+  warn  'Motif is being used, and GTK is not.'
+  echo  ''
+  warn2 'Though the Motif front-end to xscreensaver is still'
+  warn2 'maintained, it is no longer being updated with new'
+  warn2 'features: all new development on the xscreensaver-demo'
+  warn2 'program is happening in the GTK version, and not in the'
+  warn2 'Motif version.  It is recommended that you build against'
+  warn2 'GTK instead of Motif.  See <http://www.gtk.org/>.'
+fi
+
+
+if test "$with_xpm_req" = yes ; then
+  warnL 'Use of XPM was requested, but it was not found.'
+fi
+
+if test "$with_gdk_pixbuf_req" = yes ; then
+  warnL 'Use of GDK-Pixbuf was requested, but it was not found.'
+fi
+
+if test "$have_xpm" = no -a "$have_gdk_pixbuf" = no; then
  
  
-if test "$have_xpm" = no ; then
    if test "$with_xpm_req" = yes ; then
    if test "$with_xpm_req" = yes ; then
-    warnL 'Use of XPM was requested, but it was not found.'
+    true
    elif test "$with_xpm_req" = no ; then
    elif test "$with_xpm_req" = no ; then
-    noteL 'The XPM library is not being used.'
+    warnL 'The XPM library is not being used.'
+  else
+    warnL 'The XPM library was not found.'
+  fi
+
+  if test "$with_gdk_pixbuf_req" = yes ; then
+    true
+  elif test "$with_gdk_pixbuf_req" = no ; then
+    warnL 'The GDK-Pixbuf library is not being used.'
    else
    else
-    noteL 'The XPM library was not found.'
+    warnL 'The GDK-Pixbuf library was not found.'
    fi
  
    echo ''
    warn2 'Some of the demos will not be as colorful as they'
    fi
  
    echo ''
    warn2 'Some of the demos will not be as colorful as they'
-  warn2 'could be.  You might want to consider installing XPM'
-  warn2 'and re-running configure.  (Remember to delete the'
-  warn2 'config.cache file first.)  You can find XPM at most'
-  warn2 'X11 archive sites, such as <http://sunsite.unc.edu/>.'
+  warn2 'could be.  You should consider installing Pixbuf or'
+  warn2 'XPM and re-running configure.  (Remember to delete'
+  warn2 'the config.cache file first.)  The Pixbuf library is'
+  warn2 'a part of GNOME.  The XPM library comes with most'
+  warn2 'X11 installations; you can also find it at the X11'
+  warn2 'archive sites, such as <http://sunsite.unc.edu/>.'
+  echo  ''
+  warn2 'GDK-Pixbuf is recommended over XPM, as it provides'
+  warn2 'support for more image formats.'
+fi
+
+
+if test "$have_jpeg" = no ; then
+  if test "$with_jpeg_req" = yes ; then
+    warnL 'Use of libjpeg was requested, but it was not found.'
+  elif test "$with_jpeg_req" = no ; then
+    noteL 'The JPEG library is not being used.'
+  else
+    noteL 'The JPEG library was not found.'
+  fi
+
+  if test "$jpeg_halfassed" = yes ; then
+    echo ''
+    warn2 'More specifically, we found the headers, but not the'
+    warn2 'library; so either JPEG is half-installed on this'
+    warn2 "system, or something else went wrong.  The \`config.log'"
+    warn2 'file might contain some clues.'
+    echo ''
+  fi
+
+  warn2 "This means the \`webcollage' program will be much slower."
  fi
  
  
  fi
  
  
@@ -10723,10 +11231,10 @@ if test \! -z "$rpmv" ; then
    echo ""
  
    if test "$rpmbdir" = "$rpmhdir" ; then
    echo ""
  
    if test "$rpmbdir" = "$rpmhdir" ; then
-    warn2 "The RPM version was installed in $rpmbdir."
+    warn2 "The RPM version was installed in $rpmbdir/."
    else
    else
-    warn2 "The RPM version was installed in $rpmbdir,"
-    warn2 "with demos in $rpmhdir."
+    warn2 "The RPM version was installed in $rpmbdir/,"
+    warn2 "with demos in $rpmhdir/."
    fi
  
    do_dir_warning=yes
    fi
  
    do_dir_warning=yes
@@ -10743,10 +11251,10 @@ if test "$do_dir_warning" = yes; then
    echo ""
    echo '      When you run "make install", the "xscreensaver",'
    echo '      "xscreensaver-demo", and "xscreensaver-command" executables'
    echo ""
    echo '      When you run "make install", the "xscreensaver",'
    echo '      "xscreensaver-demo", and "xscreensaver-command" executables'
-  echo "      will be installed in ${bindir}."
+  echo "      will be installed in ${bindir}/."
    echo ""
    echo ""
-  echo "      The various graphics demos (120+ different executables) will"
-  echo "      also be installed in ${HACKDIR}."
+  echo "      The various graphics demos (140+ different executables) will"
+  echo "      also be installed in ${HACKDIR}/."
    echo ""
    echo "      If you would prefer the demos to be installed elsewhere"
    echo "      (for example, in a dedicated directory) you should re-run"
    echo ""
    echo "      If you would prefer the demos to be installed elsewhere"
    echo "      (for example, in a dedicated directory) you should re-run"
diff --git a/configure.in b/configure.in

index 68a89a58dff7c62e6bb81e473fcc44d9970d7b65..335afa2f57b60e219ed7c881b64b63c61febaa7b 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -934,16 +934,13 @@ else
    # there must be a better way than this...
    if test -z "`echo $with_configdir | sed 's@^/.*@@'`" ; then
      # absolute path
    # there must be a better way than this...
    if test -z "`echo $with_configdir | sed 's@^/.*@@'`" ; then
      # absolute path
-    CONFIGDIR=$with_configdir
+    HACK_CONF_DIR=$with_configdir
    else
      # relative path
    else
      # relative path
-    CONFIGDIR="\${exec_prefix}$with_configdir"
+    HACK_CONF_DIR="\${exec_prefix}$with_configdir"
    fi
  fi
  
    fi
  fi
  
-# canonicalize slashes.
-CONFIGDIR=`echo "${CONFIGDIR}" | sed 's@/$@@;s@//*@/@g'`
-
  
  
  
  
  
  
@@ -1516,8 +1513,8 @@ if test "$enable_locking" = yes -a "$with_kerberos" = yes; then
      # (who got it from amu@mit.edu)
      PASSWD_LIBS="$PASSWD_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcrypt -lcom_err"
    elif test "$have_kerberos" = yes ; then
      # (who got it from amu@mit.edu)
      PASSWD_LIBS="$PASSWD_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcrypt -lcom_err"
    elif test "$have_kerberos" = yes ; then
-    # from Tim Showalter <tjs+@andrew.cmu.edu>
-    PASSWD_LIBS="$PASSWD_LIBS -lkrb -ldes"
+    # from Tim Showalter <tjs@psaux.com> for FreeBSD 4.2
+    PASSWD_LIBS="$PASSWD_LIBS -lkrb -ldes -lcom_err"
    fi
  
    if test "$have_kerberos" = yes ; then
    fi
  
    if test "$have_kerberos" = yes ; then
@@ -1904,7 +1901,7 @@ if test "$with_gtk" = yes; then
    # Check for Gnome Capplet support.
    #
    if test "$have_gnome" = yes -a "$have_gtk" = yes; then
    # Check for Gnome Capplet support.
    #
    if test "$have_gnome" = yes -a "$have_gtk" = yes; then
-    gnome_config_libs="gtk capplet gnomeui xml"
+    gnome_config_libs="gtk capplet gnomeui xml gdk_pixbuf"
      AC_MSG_CHECKING(for Gnome capplet includes)
      AC_CACHE_VAL(ac_cv_gnome_config_cflags,
        [if ( $gnome_config --cflags $gnome_config_libs 2>&1 >/dev/null | \
      AC_MSG_CHECKING(for Gnome capplet includes)
      AC_CACHE_VAL(ac_cv_gnome_config_cflags,
        [if ( $gnome_config --cflags $gnome_config_libs 2>&1 >/dev/null | \
@@ -1953,6 +1950,11 @@ if test "$with_gtk" = yes; then
      ac_gtk_config_cflags=$ac_gnome_config_cflags
      ac_gtk_config_libs=$ac_gnome_config_libs
      AC_DEFINE(HAVE_CRAPPLET)
      ac_gtk_config_cflags=$ac_gnome_config_cflags
      ac_gtk_config_libs=$ac_gnome_config_libs
      AC_DEFINE(HAVE_CRAPPLET)
+
+    # check for this function that was not in libcapplet 1.2.
+    AC_CHECK_X_LIB(capplet, capplet_widget_changes_are_immediate,
+                   [AC_DEFINE(HAVE_CRAPPLET_IMMEDIATE)], [true],
+                   $ac_gnome_config_libs)
    fi
  
  
    fi
  
  
@@ -1982,6 +1984,7 @@ fi
  
  have_xml=no
  with_xml_req=unspecified
  
  have_xml=no
  with_xml_req=unspecified
+xml_halfassed=no
  AC_ARG_WITH(xml,
  [  --with-xml              The XML toolkit is needed for some parts of
                            the Gtk interface.],
  AC_ARG_WITH(xml,
  [  --with-xml              The XML toolkit is needed for some parts of
                            the Gtk interface.],
@@ -2013,8 +2016,10 @@ if test "$with_xml" = yes; then
    if test "$have_xml" = yes; then
      # we have the header, now check for the library
      have_xml=no
    if test "$have_xml" = yes; then
      # we have the header, now check for the library
      have_xml=no
+    xml_halfassed=yes
      AC_CHECK_X_LIB(xml, xmlParseChunk,
                     [have_xml=yes
      AC_CHECK_X_LIB(xml, xmlParseChunk,
                     [have_xml=yes
+                    xml_halfassed=no
                      XML_LIBS="-lxml"
                      AC_DEFINE(HAVE_XML)])
    fi
                      XML_LIBS="-lxml"
                      AC_DEFINE(HAVE_XML)])
    fi
@@ -2442,6 +2447,92 @@ if test "$have_motif" = yes -a "$have_xpm" = yes ; then
  fi
  
  
  fi
  
  
+###############################################################################
+#
+#       Check for -lgdk_pixbuf.
+#
+###############################################################################
+
+have_gdk_pixbuf=no
+with_gdk_pixbuf_req=unspecified
+AC_ARG_WITH(pixbuf,
+[  --with-pixbuf           Include support for the GDK-Pixbuf library in some
+                          demos, which will make it possible for them to read
+                          GIF, JPEG, and PNG files as well.],
+  [with_gdk_pixbuf="$withval"; with_gdk_pixbuf_req="$withval"],
+  [with_gdk_pixbuf=yes])
+
+HANDLE_X_PATH_ARG(with_gdk_pixbuf, --with-pixbuf, GDK_PIXBUF)
+
+if test "$with_gdk_pixbuf" = yes; then
+
+  if test "$have_gtk" = yes; then
+
+    ac_save_gdk_CPPFLAGS="$CPPFLAGS"
+    CPPFLAGS="$CPPFLAGS $ac_gtk_config_cflags"
+
+    have_gdk_pixbuf=no
+    AC_CHECK_X_HEADER(gdk-pixbuf/gdk-pixbuf.h, [have_gdk_pixbuf=yes])
+    if test "$have_gdk_pixbuf" = yes; then
+      have_gdk_pixbuf=no
+      AC_CHECK_X_HEADER(gdk-pixbuf/gdk-pixbuf-xlib.h, [have_gdk_pixbuf=yes])
+    fi
+
+    CPPFLAGS="$ac_save_gdk_CPPFLAGS"
+
+    if test "$have_gdk_pixbuf" = yes; then
+      AC_DEFINE(HAVE_GDK_PIXBUF)
+      XPM_LIBS="-lgdk_pixbuf -lgdk_pixbuf_xlib"
+    fi
+  fi
+
+elif test "$with_gdk_pixbuf" != no; then
+  echo "error: must be yes or no: --with-pixbuf=$with_gdk_pixbuf"
+  exit 1
+fi
+
+
+###############################################################################
+#
+#       Check for -ljpeg
+#
+###############################################################################
+
+have_jpeg=no
+with_jpeg_req=unspecified
+jpeg_halfassed=no
+AC_ARG_WITH(jpeg,
+[  --with-jpeg             Include support for the JPEG library in some demos,
+                          which will make it possible for them to read JPEG
+                          files as well.],
+  [with_jpeg="$withval"; with_jpeg_req="$withval"],
+  [with_jpeg=yes])
+
+HANDLE_X_PATH_ARG(with_jpeg, --with-jpeg, JPEG)
+
+if test "$with_jpeg" != yes -a "$with_jpeg" != no ; then
+  echo "error: must be yes or no: --with-jpeg=$with_jpeg"
+  exit 1
+fi
+
+if test "$with_jpeg" = yes; then
+
+  have_jpeg=no
+  AC_CHECK_X_HEADER(jpeglib.h, [have_jpeg=yes])
+
+  if test "$have_jpeg" = yes; then
+    # we have the header, now check for the library
+    have_jpeg=no
+    jpeg_halfassed=yes
+    AC_CHECK_X_LIB(jpeg, jpeg_start_compress,
+                   [have_jpeg=yes
+                    jpeg_halfassed=no
+                    JPEG_LIBS="-ljpeg"
+                    AC_DEFINE(HAVE_JPEGLIB)])
+  fi
+fi
+
+
  ###############################################################################
  #
  #       Check for the XSHM server extension.
  ###############################################################################
  #
  #       Check for the XSHM server extension.
@@ -2451,7 +2542,7 @@ fi
  have_xshm=no
  with_xshm_req=unspecified
  AC_ARG_WITH(xshm-ext,
  have_xshm=no
  with_xshm_req=unspecified
  AC_ARG_WITH(xshm-ext,
-[  --with-xshm-ext         Include support for the XSHM extension.],
+[  --with-xshm-ext         Include support for the Shared Memory extension.],
    [with_xshm="$withval"; with_xshm_req="$withval"],[with_xshm=yes])
  
  HANDLE_X_PATH_ARG(with_xshm, --with-xshm-ext, XSHM)
    [with_xshm="$withval"; with_xshm_req="$withval"],[with_xshm=yes])
  
  HANDLE_X_PATH_ARG(with_xshm, --with-xshm-ext, XSHM)
@@ -2761,6 +2852,10 @@ else
    GLE_KLUDGE="-${tab}   "
  fi
  
    GLE_KLUDGE="-${tab}   "
  fi
  
+if test "$have_jpeg" = yes -a "$have_gdk_pixbuf" = yes; then
+ JPEG_EXES='$(JPEG_EXES)'
+fi
+
  
  # Another substitution in the XScreenSaver.ad.in file:
  #
  
  # Another substitution in the XScreenSaver.ad.in file:
  #
@@ -2783,6 +2878,10 @@ if test -z "$HACK_CONF_DIR" ; then
    fi
  fi
  
    fi
  fi
  
+# canonicalize slashes.
+HACK_CONF_DIR=`echo "${HACK_CONF_DIR}" | sed 's@/$@@;s@//*@/@g'`
+
+
  
  ###############################################################################
  #
  
  ###############################################################################
  #
@@ -2798,6 +2897,7 @@ AC_SUBST(SAVER_LIBS)
  AC_SUBST(MOTIF_LIBS)
  AC_SUBST(GTK_LIBS)
  AC_SUBST(XML_LIBS)
  AC_SUBST(MOTIF_LIBS)
  AC_SUBST(GTK_LIBS)
  AC_SUBST(XML_LIBS)
+AC_SUBST(JPEG_LIBS)
  AC_SUBST(HACK_LIBS)
  AC_SUBST(XPM_LIBS)
  AC_SUBST(GL_LIBS)
  AC_SUBST(HACK_LIBS)
  AC_SUBST(XPM_LIBS)
  AC_SUBST(GL_LIBS)
@@ -2820,6 +2920,7 @@ AC_SUBST(SAVER_GL_OBJS)
  AC_SUBST(SAVER_GL_LIBS)
  AC_SUBST(LOCK_SRCS)
  AC_SUBST(LOCK_OBJS)
  AC_SUBST(SAVER_GL_LIBS)
  AC_SUBST(LOCK_SRCS)
  AC_SUBST(LOCK_OBJS)
+AC_SUBST(JPEG_EXES)
  AC_SUBST(GL_EXES)
  AC_SUBST(GL_UTIL_EXES)
  AC_SUBST(GL_MEN)
  AC_SUBST(GL_EXES)
  AC_SUBST(GL_UTIL_EXES)
  AC_SUBST(GL_MEN)
@@ -2980,17 +3081,33 @@ if test "$with_gnome_req" = yes -a "$have_gnome" = no ; then
    warn2 'headers and/or libraries were not found.'
  fi
  
    warn2 'headers and/or libraries were not found.'
  fi
  
-if test "$with_xml_req" = yes -a "$have_xml" = no ; then
-  warn  'Use of the XML library was requested, but the necessary'
-  warn2 'headers and/or libraries were not found.'
-elif test "$have_gtk" = yes -a "$have_xml" = no ; then
-  warn  'GTK is being used, but the XML library was not found.'
-  warn2 'Some functionality will be disabled.'
+if test "$have_gtk" = yes ; then
+  if test "$have_xml" = no ; then
+    if test "$with_xml_req" = yes ; then
+      warn  'Use of the XML library was requested, but the necessary'
+      warn2 'headers and/or libraries were not found.'
+    else
+      warn  'GTK is being used, but the XML library was not found.'
+    fi
+
+    if test "$xml_halfassed" = yes ; then
+      echo ''
+      warn2 'More specifically, we found the headers, but not the'
+      warn2 'libraries; so either XML is half-installed on this'
+      warn2 "system, or something else went wrong.  The \`config.log'"
+      warn2 'file might contain some clues.'
+    fi
+
+    echo ''
+    warn2 "Without XML, the per-display-mode \`Settings' dialogs"
+    warn2 'will not be available.  Specify the location of the XML'
+    warn2 'library through the --with-xml option to configure.'
+  fi
  fi
  
  if test "$have_motif" = yes -a "$have_lesstif" = yes ; then
  
  fi
  
  if test "$have_motif" = yes -a "$have_lesstif" = yes ; then
  
-  preferred_lesstif=0.86
+  preferred_lesstif=0.92
  
    if test "$lesstif_version" = unknown; then
      warnL "Unable to determine the LessTif version number!"
  
    if test "$lesstif_version" = unknown; then
      warnL "Unable to determine the LessTif version number!"
@@ -3007,22 +3124,77 @@ if test "$have_motif" = yes -a "$have_lesstif" = yes ; then
  fi
  
  
  fi
  
  
+if test "$have_motif" = yes -a "$have_gtk" = no ; then
+  warn  'Motif is being used, and GTK is not.'
+  echo  ''
+  warn2 'Though the Motif front-end to xscreensaver is still'
+  warn2 'maintained, it is no longer being updated with new'
+  warn2 'features: all new development on the xscreensaver-demo'
+  warn2 'program is happening in the GTK version, and not in the'
+  warn2 'Motif version.  It is recommended that you build against'
+  warn2 'GTK instead of Motif.  See <http://www.gtk.org/>.'
+fi
+
+
+if test "$with_xpm_req" = yes ; then
+  warnL 'Use of XPM was requested, but it was not found.'
+fi
+
+if test "$with_gdk_pixbuf_req" = yes ; then
+  warnL 'Use of GDK-Pixbuf was requested, but it was not found.'
+fi
+
+if test "$have_xpm" = no -a "$have_gdk_pixbuf" = no; then
  
  
-if test "$have_xpm" = no ; then
    if test "$with_xpm_req" = yes ; then
    if test "$with_xpm_req" = yes ; then
-    warnL 'Use of XPM was requested, but it was not found.'
+    true
    elif test "$with_xpm_req" = no ; then
    elif test "$with_xpm_req" = no ; then
-    noteL 'The XPM library is not being used.'
+    warnL 'The XPM library is not being used.'
    else
    else
-    noteL 'The XPM library was not found.'
+    warnL 'The XPM library was not found.'
+  fi
+
+  if test "$with_gdk_pixbuf_req" = yes ; then
+    true
+  elif test "$with_gdk_pixbuf_req" = no ; then
+    warnL 'The GDK-Pixbuf library is not being used.'
+  else
+    warnL 'The GDK-Pixbuf library was not found.'
    fi
  
    echo ''
    warn2 'Some of the demos will not be as colorful as they'
    fi
  
    echo ''
    warn2 'Some of the demos will not be as colorful as they'
-  warn2 'could be.  You might want to consider installing XPM'
-  warn2 'and re-running configure.  (Remember to delete the'
-  warn2 'config.cache file first.)  You can find XPM at most'
-  warn2 'X11 archive sites, such as <http://sunsite.unc.edu/>.'
+  warn2 'could be.  You should consider installing Pixbuf or'
+  warn2 'XPM and re-running configure.  (Remember to delete'
+  warn2 'the config.cache file first.)  The Pixbuf library is'
+  warn2 'a part of GNOME.  The XPM library comes with most'
+  warn2 'X11 installations; you can also find it at the X11'
+  warn2 'archive sites, such as <http://sunsite.unc.edu/>.'
+  echo  ''
+  warn2 'GDK-Pixbuf is recommended over XPM, as it provides'
+  warn2 'support for more image formats.'
+fi
+
+
+if test "$have_jpeg" = no ; then
+  if test "$with_jpeg_req" = yes ; then
+    warnL 'Use of libjpeg was requested, but it was not found.'
+  elif test "$with_jpeg_req" = no ; then
+    noteL 'The JPEG library is not being used.'
+  else
+    noteL 'The JPEG library was not found.'
+  fi
+
+  if test "$jpeg_halfassed" = yes ; then
+    echo ''
+    warn2 'More specifically, we found the headers, but not the'
+    warn2 'library; so either JPEG is half-installed on this'
+    warn2 "system, or something else went wrong.  The \`config.log'"
+    warn2 'file might contain some clues.'
+    echo ''
+  fi
+
+  warn2 "This means the \`webcollage' program will be much slower."
  fi
  
  
  fi
  
  
@@ -3197,10 +3369,10 @@ if test \! -z "$rpmv" ; then
    echo ""
  
    if test "$rpmbdir" = "$rpmhdir" ; then
    echo ""
  
    if test "$rpmbdir" = "$rpmhdir" ; then
-    warn2 "The RPM version was installed in $rpmbdir."
+    warn2 "The RPM version was installed in $rpmbdir/."
    else
    else
-    warn2 "The RPM version was installed in $rpmbdir,"
-    warn2 "with demos in $rpmhdir."
+    warn2 "The RPM version was installed in $rpmbdir/,"
+    warn2 "with demos in $rpmhdir/."
    fi
  
    do_dir_warning=yes
    fi
  
    do_dir_warning=yes
@@ -3217,10 +3389,10 @@ if test "$do_dir_warning" = yes; then
    echo ""
    echo '      When you run "make install", the "xscreensaver",'
    echo '      "xscreensaver-demo", and "xscreensaver-command" executables'
    echo ""
    echo '      When you run "make install", the "xscreensaver",'
    echo '      "xscreensaver-demo", and "xscreensaver-command" executables'
-  echo "      will be installed in ${bindir}."
+  echo "      will be installed in ${bindir}/."
    echo ""
    echo ""
-  echo "      The various graphics demos (120+ different executables) will"
-  echo "      also be installed in ${HACKDIR}."
+  echo "      The various graphics demos (140+ different executables) will"
+  echo "      also be installed in ${HACKDIR}/."
    echo ""
    echo "      If you would prefer the demos to be installed elsewhere"
    echo "      (for example, in a dedicated directory) you should re-run"
    echo ""
    echo "      If you would prefer the demos to be installed elsewhere"
    echo "      (for example, in a dedicated directory) you should re-run"
diff --git a/driver/Makefile.in b/driver/Makefile.in

index 6df5137c01fd9ef35fb5a6aa4368830ca1fee89e..563e9028ed356a17f4c1d829f3775f17fc5dd08f 100644 (file)
--- a/driver/Makefile.in
+++ b/driver/Makefile.in
@@ -17,7 +17,8 @@ man1dir               = $(mandir)/man1
  mansuffix      = 1
  
  GNOME_DATADIR  = @GNOME_DATADIR@
  mansuffix      = 1
  
  GNOME_DATADIR  = @GNOME_DATADIR@
-GNOME_CCDIR    = $(GNOME_DATADIR)/control-center/Desktop
+GNOME_CCDIR_1  = $(GNOME_DATADIR)/control-center/Desktop
+GNOME_CCDIR_2  = $(GNOME_DATADIR)/control-center/capplets
  GNOME_PANELDIR = $(GNOME_DATADIR)/gnome/apps/Settings/Desktop
  GNOME_ICONDIR  = $(GNOME_DATADIR)/pixmaps
  GNOME_BINDIR   = $(bindir)
  GNOME_PANELDIR = $(GNOME_DATADIR)/gnome/apps/Settings/Desktop
  GNOME_ICONDIR  = $(GNOME_DATADIR)/pixmaps
  GNOME_BINDIR   = $(bindir)
@@ -157,9 +158,9 @@ GETIMG_OBJS = $(GETIMG_OBJS_1) \
                   $(UTILS_BIN)/colors.o $(UTILS_BIN)/grabscreen.o \
                   $(UTILS_BIN)/logo.o prefs.o $(XMU_OBJS)
  
                   $(UTILS_BIN)/colors.o $(UTILS_BIN)/grabscreen.o \
                   $(UTILS_BIN)/logo.o prefs.o $(XMU_OBJS)
  
-SAVER_SRCS_1   = xscreensaver.c windows.c timers.c subprocs.c \
+SAVER_SRCS_1   = xscreensaver.c windows.c timers.c subprocs.c exec.c \
                   xset.c splash.c setuid.c stderr.c
                   xset.c splash.c setuid.c stderr.c
-SAVER_OBJS_1   = xscreensaver.o windows.o timers.o subprocs.o \
+SAVER_OBJS_1   = xscreensaver.o windows.o timers.o subprocs.o exec.o \
                   xset.o splash.o setuid.o stderr.o
  
  SAVER_SRCS     = $(SAVER_SRCS_1) prefs.c dpms.c $(LOCK_SRCS) \
                   xset.o splash.o setuid.o stderr.o
  
  SAVER_SRCS     = $(SAVER_SRCS_1) prefs.c dpms.c $(LOCK_SRCS) \
@@ -173,8 +174,8 @@ CMD_OBJS    = remote.o xscreensaver-command.o
  DEMO_SRCS_1    = prefs.c dpms.c $(XMU_SRCS)
  DEMO_OBJS_1    = prefs.o dpms.o $(XMU_OBJS)
  
  DEMO_SRCS_1    = prefs.c dpms.c $(XMU_SRCS)
  DEMO_OBJS_1    = prefs.o dpms.o $(XMU_OBJS)
  
-DEMO_SRCS      = prefs.c dpms.c remote.c $(DEMO_UTIL_SRCS)
-DEMO_OBJS      = prefs.o dpms.o remote.o $(DEMO_UTIL_OBJS)
+DEMO_SRCS      = prefs.c dpms.c remote.c exec.c $(DEMO_UTIL_SRCS)
+DEMO_OBJS      = prefs.o dpms.o remote.o exec.o $(DEMO_UTIL_OBJS)
  
  SAVER_LIBS     = $(LIBS) $(X_LIBS) $(XMU_LIBS) @SAVER_LIBS@ \
                   $(XDPMS_LIBS) $(GL_LIBS) $(X_PRE_LIBS) \
  
  SAVER_LIBS     = $(LIBS) $(X_LIBS) $(XMU_LIBS) @SAVER_LIBS@ \
                   $(XDPMS_LIBS) $(GL_LIBS) $(X_PRE_LIBS) \
@@ -425,23 +426,36 @@ install-pam:
         fi
  
  install-gnome:: screensaver-properties.desktop
         fi
  
  install-gnome:: screensaver-properties.desktop
-       @lost1=""                                                            ;\
-         lost2=""                                                            ;\
+       @lost=""                                                             ;\
           if [ "$(GNOME_DATADIR)" != "" ]; then                                \
                                                                               \
           if [ "$(GNOME_DATADIR)" != "" ]; then                                \
                                                                               \
-           if [ ! -d "$(install_prefix)$(GNOME_CCDIR)" ]; then                \
-             echo $(INSTALL_DIRS) "$(install_prefix)$(GNOME_CCDIR)"          ;\
-                  $(INSTALL_DIRS) "$(install_prefix)$(GNOME_CCDIR)"          ;\
+           if [ ! -d "$(install_prefix)$(GNOME_CCDIR_1)" ]; then              \
+             echo $(INSTALL_DIRS) "$(install_prefix)$(GNOME_CCDIR_1)"        ;\
+                  $(INSTALL_DIRS) "$(install_prefix)$(GNOME_CCDIR_1)"        ;\
+           fi                                                                ;\
+           if [ ! -d "$(install_prefix)$(GNOME_CCDIR_2)" ]; then              \
+             echo $(INSTALL_DIRS) "$(install_prefix)$(GNOME_CCDIR_2)"        ;\
+                  $(INSTALL_DIRS) "$(install_prefix)$(GNOME_CCDIR_2)"        ;\
+           fi                                                                ;\
+                                                                             \
+           echo    $(INSTALL_DATA) $(srcdir)/screensaver-properties.desktop   \
+             $(install_prefix)$(GNOME_CCDIR_1)/screensaver-properties.desktop;\
+                                                                             \
+           if      $(INSTALL_DATA) $(srcdir)/screensaver-properties.desktop   \
+             $(install_prefix)$(GNOME_CCDIR_1)/screensaver-properties.desktop;\
+             then true                                                       ;\
+           else                                                               \
+             lost="$$lost $(install_prefix)$(GNOME_CCDIR_1)"                 ;\
             fi                                                                ;\
                                                                               \
             echo    $(INSTALL_DATA) $(srcdir)/screensaver-properties.desktop   \
             fi                                                                ;\
                                                                               \
             echo    $(INSTALL_DATA) $(srcdir)/screensaver-properties.desktop   \
-             $(install_prefix)$(GNOME_CCDIR)/screensaver-properties.desktop  ;\
+             $(install_prefix)$(GNOME_CCDIR_2)/screensaver.desktop           ;\
                                                                               \
             if      $(INSTALL_DATA) $(srcdir)/screensaver-properties.desktop   \
                                                                               \
             if      $(INSTALL_DATA) $(srcdir)/screensaver-properties.desktop   \
-             $(install_prefix)$(GNOME_CCDIR)/screensaver-properties.desktop  ;\
+             $(install_prefix)$(GNOME_CCDIR_2)/screensaver.desktop           ;\
               then true                                                       ;\
             else                                                               \
               then true                                                       ;\
             else                                                               \
-             lost1="$(install_prefix)$(GNOME_CCDIR)"                         ;\
+             lost="$$lost $(install_prefix)$(GNOME_CCDIR_2)"                 ;\
             fi                                                                ;\
                                                                               \
             if [ ! -d "$(install_prefix)$(GNOME_PANELDIR)" ]; then             \
             fi                                                                ;\
                                                                               \
             if [ ! -d "$(install_prefix)$(GNOME_PANELDIR)" ]; then             \
@@ -455,26 +469,18 @@ install-gnome:: screensaver-properties.desktop
         $(install_prefix)$(GNOME_PANELDIR)/screensaver-properties.desktop     ;\
               then true                                                       ;\
             else                                                               \
         $(install_prefix)$(GNOME_PANELDIR)/screensaver-properties.desktop     ;\
               then true                                                       ;\
             else                                                               \
-             lost2="$(install_prefix)$(GNOME_PANELDIR)"                      ;\
+             lost="$$lost $(install_prefix)$(GNOME_PANELDIR)"                ;\
             fi                                                                ;\
                                                                               \
             fi                                                                ;\
                                                                               \
-           if [ "$$lost1" != "" -o "$$lost2" != "" ]; then                    \
+           if [ "$$lost" != "" ]; then                                        \
               e=echo ;                                                         \
   $$e ""                                                                      ;\
   $$e "  ####################################################################";\
               e=echo ;                                                         \
   $$e ""                                                                      ;\
   $$e "  ####################################################################";\
- $$e "  Warning: unable to install screensaver-properties.desktop into"      ;\
-                 plurality="this file"                                       ;\
-          if [ "$$lost1" != "" -a "$$lost2" != "" ]; then                     \
- $$e "           $$lost1/ or into"                                           ;\
- $$e "           $$lost2/."                                                  ;\
-                 plurality="these files"                                     ;\
-          elif [ "$$lost1" != "" ]; then                                      \
- $$e "           $$lost1/."                                                  ;\
-          else                                                                \
- $$e "           $$lost2/."                                                  ;\
-          fi                                                                 ;\
- $$e "           Without $$plurality," 'the "Screen Saver" section of the'   ;\
- $$e "           Gnome Control Center (gnomecc) will not work properly."     ;\
+ $$e "  Warning: unable to install screensaver-properties.desktop into:"     ;\
+       set - $$lost                                                         ;\
+       for f in $$@ ; do echo "             $$f/" ; done                    ;\
+ $$e '           This means the "Screen Saver" section of the Gnome'         ;\
+ $$e "           Control Center (gnomecc) may not work properly."           ;\
   $$e "  ####################################################################";\
   $$e ""                                                                      ;\
               exit 1 ;                                                         \
   $$e "  ####################################################################";\
   $$e ""                                                                      ;\
               exit 1 ;                                                         \
@@ -756,7 +762,7 @@ xscreensaver-command: $(CMD_OBJS)
  
  
  xscreensaver-demo: @PREFERRED_DEMO_PROGRAM@
  
  
  xscreensaver-demo: @PREFERRED_DEMO_PROGRAM@
-       cp -p @PREFERRED_DEMO_PROGRAM@ $@
+       $(INSTALL_PROGRAM) @PREFERRED_DEMO_PROGRAM@ $@
  
  xscreensaver-demo-Xm: $(DEMO_OBJS) $(MOTIF_OBJS)
         $(CC) $(LDFLAGS) -o $@ $(DEMO_OBJS) $(MOTIF_OBJS) $(LIBS) $(X_LIBS) \
  
  xscreensaver-demo-Xm: $(DEMO_OBJS) $(MOTIF_OBJS)
         $(CC) $(LDFLAGS) -o $@ $(DEMO_OBJS) $(MOTIF_OBJS) $(LIBS) $(X_LIBS) \
@@ -826,6 +832,7 @@ timers.o: $(srcdir)/prefs.h
  subprocs.o: ../config.h
  subprocs.o: $(srcdir)/xscreensaver.h
  subprocs.o: $(srcdir)/prefs.h
  subprocs.o: ../config.h
  subprocs.o: $(srcdir)/xscreensaver.h
  subprocs.o: $(srcdir)/prefs.h
+exec.o: ../config.h
  xset.o: ../config.h
  xset.o: $(srcdir)/xscreensaver.h
  xset.o: $(srcdir)/prefs.h
  xset.o: ../config.h
  xset.o: $(srcdir)/xscreensaver.h
  xset.o: $(srcdir)/prefs.h
diff --git a/driver/XScreenSaver.ad.in b/driver/XScreenSaver.ad.in

index 77bd854d481c3d96eec73e7f6223ae36b5c3bb27..cf6cef1612f6f6d8c6da1e22465a499cb5021fa7 100644 (file)
--- a/driver/XScreenSaver.ad.in
+++ b/driver/XScreenSaver.ad.in
@@ -4,8 +4,8 @@
  !            a screen saver and locker for the X window system
  !                            by Jamie Zawinski
  !
  !            a screen saver and locker for the X window system
  !                            by Jamie Zawinski
  !
-!                              version 4.00
-!                              02-Jan-2002
+!                              version 4.01
+!                              24-Feb-2002
  !
  ! See "man xscreensaver" for more info.  The latest version is always
  ! available at http://www.jwz.org/xscreensaver/
  !
  ! See "man xscreensaver" for more info.  The latest version is always
  ! available at http://www.jwz.org/xscreensaver/
@@ -272,6 +272,14 @@
                     "SpeedMine" speedmine -root                             \n\
                     "SpeedWorm" speedmine -root -worm                       \n\
                                 vermiculate -root                           \n\
                     "SpeedMine" speedmine -root                             \n\
                     "SpeedWorm" speedmine -root -worm                       \n\
                                 vermiculate -root                           \n\
+                               twang -root                                 \n\
+                               apollonian -root                            \n\
+                               euler2d -root                               \n\
+            "Euler2d (dense)"  euler2d -root -count 4000 -eulertail 400      \
+                                 -ncolors 230                              \n\
+-                              juggle -root                                \n\
+                               polyominoes -root                           \n\
+                               thornbird -root                             \n\
    color:                       bubbles -root                               \n\
    default-n:                   webcollage -root                            \n\
    default-n:  "WebCollage (whacked)"                                         \
    color:                       bubbles -root                               \n\
    default-n:                   webcollage -root                            \n\
    default-n:  "WebCollage (whacked)"                                         \
@@ -312,6 +320,10 @@
  @GL_KLUDGE@ GL:                        circuit -root                               \n\
  @GL_KLUDGE@ GL:                        engine -root                                \n\
  @GL_KLUDGE@ GL:                        flipscreen3d -root                          \n\
  @GL_KLUDGE@ GL:                        circuit -root                               \n\
  @GL_KLUDGE@ GL:                        engine -root                                \n\
  @GL_KLUDGE@ GL:                        flipscreen3d -root                          \n\
+@GL_KLUDGE@ GL:                        glsnake -root                               \n\
+@GL_KLUDGE@ GL:                        boxed -root                                 \n\
+@GL_KLUDGE@ GL:                        glforestfire -root                          \n\
+@GL_KLUDGE@ GL:                        sballs -root                                \n\
                                                                               \
  -                              xdaliclock -root -builtin3 -cycle           \n\
  - default-n:                   xearth -nofork -nostars -ncolors 50           \
                                                                               \
  -                              xdaliclock -root -builtin3 -cycle           \n\
  - default-n:                   xearth -nofork -nostars -ncolors 50           \
@@ -319,7 +331,6 @@
                                   sunrel/38/-30                             \n\
  -                              xplanetbg -xscreensaver -moonside             \
                                    -markerfile earth -wait 1 -timewarp 400   \n\
                                   sunrel/38/-30                             \n\
  -                              xplanetbg -xscreensaver -moonside             \
                                    -markerfile earth -wait 1 -timewarp 400   \n\
--                              ssystem -fullscreen :32                     \n\
  -                              xmountains -b -M -Z 0 -r 1                  \n\
  -      "XMountains (top)"      xmountains -b -M -Z 0 -r 1 -m               \n\
  -                               xaos -fullscreen -autopilot                   \
  -                              xmountains -b -M -Z 0 -r 1                  \n\
  -      "XMountains (top)"      xmountains -b -M -Z 0 -r 1 -m               \n\
  -                               xaos -fullscreen -autopilot                   \
@@ -595,9 +606,11 @@ XScreenSaver*doc.fontList:       *-helvetica-medium-r-*-*-*-100-*-*-*-iso8859-1
  *hacks.dangerball.name:     DangerBall
  *hacks.whirlygig.name:      WhirlyGig
  *hacks.speedmine.name:      SpeedMine
  *hacks.dangerball.name:     DangerBall
  *hacks.whirlygig.name:      WhirlyGig
  *hacks.speedmine.name:      SpeedMine
+*hacks.glsnake.name:        GLSnake
+*hacks.glforestfire.name:   GLForestFire
+*hacks.sballs.name:         SBalls
  *hacks.xdaliclock.name:     XDaliClock
  *hacks.xplanetbg.name:      XPlanet
  *hacks.xdaliclock.name:     XDaliClock
  *hacks.xplanetbg.name:      XPlanet
-*hacks.ssystem.name:        SSystem
  *hacks.xaos.name:           XaoS
  *hacks.xfishtank.name:      XFishTank
  *hacks.electricsheep.name:  ElectricSheep
  *hacks.xaos.name:           XaoS
  *hacks.xfishtank.name:      XFishTank
  *hacks.electricsheep.name:  ElectricSheep
diff --git a/driver/XScreenSaver_ad.h b/driver/XScreenSaver_ad.h

index b06511d9778769afd1d862b7fcd0fb5aa3e22c61..68a28183b14995d6054a295f7c2b84dc58a7c76d 100644 (file)
--- a/driver/XScreenSaver_ad.h
+++ b/driver/XScreenSaver_ad.h
@@ -175,6 +175,14 @@
                     \"SpeedMine\"       speedmine -root                             \\n\
                     \"SpeedWorm\"       speedmine -root -worm                       \\n\
                                 vermiculate -root                           \\n\
                     \"SpeedMine\"       speedmine -root                             \\n\
                     \"SpeedWorm\"       speedmine -root -worm                       \\n\
                                 vermiculate -root                           \\n\
+                               twang -root                                 \\n\
+                               apollonian -root                            \\n\
+                               euler2d -root                               \\n\
+            \"Euler2d (dense)\"        euler2d -root -count 4000 -eulertail 400      \
+                                 -ncolors 230                              \\n\
+-                              juggle -root                                \\n\
+                               polyominoes -root                           \\n\
+                               thornbird -root                             \\n\
    color:                       bubbles -root                               \\n\
    default-n:                   webcollage -root                            \\n\
    default-n:  \"WebCollage (whacked)\"                                       \
    color:                       bubbles -root                               \\n\
    default-n:                   webcollage -root                            \\n\
    default-n:  \"WebCollage (whacked)\"                                       \
@@ -215,6 +223,10 @@
            GL:                  circuit -root                               \\n\
            GL:                  engine -root                                \\n\
            GL:                  flipscreen3d -root                          \\n\
            GL:                  circuit -root                               \\n\
            GL:                  engine -root                                \\n\
            GL:                  flipscreen3d -root                          \\n\
+          GL:                  glsnake -root                               \\n\
+          GL:                  boxed -root                                 \\n\
+          GL:                  glforestfire -root                          \\n\
+          GL:                  sballs -root                                \\n\
                                                                               \
  -                              xdaliclock -root -builtin3 -cycle           \\n\
  - default-n:                   xearth -nofork -nostars -ncolors 50           \
                                                                               \
  -                              xdaliclock -root -builtin3 -cycle           \\n\
  - default-n:                   xearth -nofork -nostars -ncolors 50           \
@@ -222,7 +234,6 @@
                                   sunrel/38/-30                             \\n\
  -                              xplanetbg -xscreensaver -moonside             \
                                    -markerfile earth -wait 1 -timewarp 400   \\n\
                                   sunrel/38/-30                             \\n\
  -                              xplanetbg -xscreensaver -moonside             \
                                    -markerfile earth -wait 1 -timewarp 400   \\n\
--                              ssystem -fullscreen :32                     \\n\
  -                              xmountains -b -M -Z 0 -r 1                  \\n\
  -      \"XMountains (top)\"    xmountains -b -M -Z 0 -r 1 -m               \\n\
  -                               xaos -fullscreen -autopilot                   \
  -                              xmountains -b -M -Z 0 -r 1                  \\n\
  -      \"XMountains (top)\"    xmountains -b -M -Z 0 -r 1 -m               \\n\
  -                               xaos -fullscreen -autopilot                   \
@@ -407,9 +418,11 @@
  "*hacks.dangerball.name:     DangerBall",
  "*hacks.whirlygig.name:      WhirlyGig",
  "*hacks.speedmine.name:      SpeedMine",
  "*hacks.dangerball.name:     DangerBall",
  "*hacks.whirlygig.name:      WhirlyGig",
  "*hacks.speedmine.name:      SpeedMine",
+"*hacks.glsnake.name:        GLSnake",
+"*hacks.glforestfire.name:   GLForestFire",
+"*hacks.sballs.name:         SBalls",
  "*hacks.xdaliclock.name:     XDaliClock",
  "*hacks.xplanetbg.name:      XPlanet",
  "*hacks.xdaliclock.name:     XDaliClock",
  "*hacks.xplanetbg.name:      XPlanet",
-"*hacks.ssystem.name:        SSystem",
  "*hacks.xaos.name:           XaoS",
  "*hacks.xfishtank.name:      XFishTank",
  "*hacks.electricsheep.name:  ElectricSheep",
  "*hacks.xaos.name:           XaoS",
  "*hacks.xfishtank.name:      XFishTank",
  "*hacks.electricsheep.name:  ElectricSheep",
diff --git a/driver/demo-Gtk-conf.c b/driver/demo-Gtk-conf.c

index b8bb1ee680190fade231ec597f88ef5f5809f00c..d51d1df7b3fe2e3282b8e2fbc51c32f274829130 100644 (file)
--- a/driver/demo-Gtk-conf.c
+++ b/driver/demo-Gtk-conf.c
@@ -32,6 +32,11 @@
  
  #include "demo-Gtk-conf.h"
  
  
  #include "demo-Gtk-conf.h"
  
+#if (LIBXML_VERSION >= 20000)  /* illiteracy finally fixed */
+# define childs children
+# define root   children
+#endif
+ 
  extern const char *blurb (void);
  
  
  extern const char *blurb (void);
  
  
diff --git a/driver/demo-Gtk.c b/driver/demo-Gtk.c

index 3c83e8aba1049255ad7dd81a101326a0183b84ae..26c69db6791e52d827c1d40065c7ea31076d177a 100644 (file)
--- a/driver/demo-Gtk.c
+++ b/driver/demo-Gtk.c
@@ -33,7 +33,9 @@
  #endif /* HAVE_UNAME */
  
  #include <stdio.h>
  #endif /* HAVE_UNAME */
  
  #include <stdio.h>
+#include <time.h>
  #include <sys/stat.h>
  #include <sys/stat.h>
+#include <sys/time.h>
  
  
  #include <signal.h>
  
  
  #include <signal.h>
@@ -90,6 +92,10 @@
  #include <string.h>
  #include <ctype.h>
  
  #include <string.h>
  #include <ctype.h>
  
+
+/* from exec.c */
+extern void exec_command (const char *shell, const char *command, int nice);
+
  #undef countof
  #define countof(x) (sizeof((x))/sizeof((*x)))
  
  #undef countof
  #define countof(x) (sizeof((x))/sizeof((*x)))
  
@@ -125,7 +131,6 @@ typedef struct {
    int subproc_timer_id;                /* timer to delay subproc launch */
    int subproc_check_timer_id;  /* timer to check whether it started up */
    int subproc_check_countdown;  /* how many more checks left */
    int subproc_timer_id;                /* timer to delay subproc launch */
    int subproc_check_timer_id;  /* timer to check whether it started up */
    int subproc_check_countdown;  /* how many more checks left */
-  int preview_nice_level;
  
    int *list_elt_to_hack_number;        /* table for sorting the hack list */
    int *hack_number_to_list_elt;        /* the inverse table */
  
    int *list_elt_to_hack_number;        /* table for sorting the hack list */
    int *hack_number_to_list_elt;        /* the inverse table */
@@ -2783,38 +2788,6 @@ kill_preview_subproc (state *s)
  }
  
  
  }
  
  
-static void
-exec_program (const char *cmd, int nice_level)
-{
-  char *av[1024];
-  int ac = 0;
-  char *token = strtok (strdup(cmd), " \t");
-  while (token)
-    {
-      av[ac++] = token;
-      token = strtok(0, " \t");
-    }
-  av[ac] = 0;
-
-  nice (nice_level - nice (0));
-
-  usleep (250000);  /* pause for 1/4th second before launching, to give the
-                       previous program time to die and flush its X buffer,
-                       so we don't get leftover turds on the window. */
-
-  execvp (av[0], av);                  /* shouldn't return. */
-
-  {
-    char buf [512];
-    sprintf (buf, "%s: could not execute \"%s\"", blurb(), av[0]);
-    perror (buf);
-  }
-  fflush(stderr);
-  fflush(stdout);
-  exit (1);    /* Note that this only exits a child fork.  */
-}
-
-
  /* Immediately and unconditionally launches the given process,
     after appending the -window-id option; sets running_preview_pid.
   */
  /* Immediately and unconditionally launches the given process,
     after appending the -window-id option; sets running_preview_pid.
   */
@@ -2823,10 +2796,8 @@ launch_preview_subproc (state *s)
  {
    saver_preferences *p = &s->prefs;
    Window id;
  {
    saver_preferences *p = &s->prefs;
    Window id;
-  Bool hairy_p;
    char *new_cmd;
    pid_t forked;
    char *new_cmd;
    pid_t forked;
-  int nice_level = nice (0) - p->nice_inferior;
    const char *cmd = s->desired_preview_cmd;
  
    GtkWidget *pr = name_to_widget (s, "preview");
    const char *cmd = s->desired_preview_cmd;
  
    GtkWidget *pr = name_to_widget (s, "preview");
@@ -2855,16 +2826,6 @@ launch_preview_subproc (state *s)
        sprintf (new_cmd + strlen (new_cmd), " -window-id 0x%X", id);
      }
  
        sprintf (new_cmd + strlen (new_cmd), " -window-id 0x%X", id);
      }
  
-  hairy_p = (new_cmd && !!strpbrk (new_cmd, "*?$&!<>[];`'\\\"="));
-  if (hairy_p)
-    {
-      /* Command requires a full shell?  Forget it. */
-      free (new_cmd);
-      new_cmd = 0;
-      if (s->debug_p)
-        fprintf (stderr, "%s: command is hairy: not previewing\n", blurb());
-    }
-
    kill_preview_subproc (s);
    if (! new_cmd)
      {
    kill_preview_subproc (s);
    if (! new_cmd)
      {
@@ -2886,8 +2847,16 @@ launch_preview_subproc (state *s)
      case 0:
        {
          close (ConnectionNumber (GDK_DISPLAY()));
      case 0:
        {
          close (ConnectionNumber (GDK_DISPLAY()));
-        exec_program (new_cmd, nice_level);
-        abort();
+
+        usleep (250000);  /* pause for 1/4th second before launching, to give
+                             the previous program time to die and flush its X
+                             buffer, so we don't get leftover turds on the
+                             window. */
+
+        exec_command (p->shell, new_cmd, p->nice_inferior);
+        /* Don't bother printing an error message when we are unable to
+           exec subprocesses; we handle that by polling the pid later. */
+        exit (1);  /* exits child fork */
          break;
  
        default:
          break;
  
        default:
@@ -3773,12 +3742,12 @@ main (int argc, char **argv)
        capplet = capplet_widget_new ();
  
        /* Make there be a "Close" button instead of "OK" and "Cancel" */
        capplet = capplet_widget_new ();
  
        /* Make there be a "Close" button instead of "OK" and "Cancel" */
+# ifdef HAVE_CRAPPLET_IMMEDIATE
        capplet_widget_changes_are_immediate (CAPPLET_WIDGET (capplet));
        capplet_widget_changes_are_immediate (CAPPLET_WIDGET (capplet));
+# endif /* HAVE_CRAPPLET_IMMEDIATE */
  
  
-# if 1
-        /* In crapplet-mode, take off the menubar. */
-        gtk_widget_hide (name_to_widget (s, "menubar"));
-# endif
+      /* In crapplet-mode, take off the menubar. */
+      gtk_widget_hide (name_to_widget (s, "menubar"));
  
        /* Reparent our top-level container to be a child of the capplet
           window.
  
        /* Reparent our top-level container to be a child of the capplet
           window.
diff --git a/driver/exec.c b/driver/exec.c

new file mode 100644 (file)

index 0000000..0798ea8
--- /dev/null
+++ b/driver/exec.c
@@ -0,0 +1,248 @@
+/* exec.c --- executes a program in *this* pid, without an intervening process.
+ * xscreensaver, Copyright (c) 1991-2002 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ */
+
+
+/* I don't believe what a sorry excuse for an operating system UNIX is!
+
+   - I want to spawn a process.
+   - I want to know it's pid so that I can kill it.
+   - I would like to receive a message when it dies of natural causes.
+   - I want the spawned process to have user-specified arguments.
+
+   If shell metacharacters are present (wildcards, backquotes, etc), the
+   only way to parse those arguments is to run a shell to do the parsing
+   for you.
+
+   And the only way to know the pid of the process is to fork() and exec()
+   it in the spawned side of the fork.
+
+   But if you're running a shell to parse your arguments, this gives you
+   the pid of the *shell*, not the pid of the *process* that you're
+   actually interested in, which is an *inferior* of the shell.  This also
+   means that the SIGCHLD you get applies to the shell, not its inferior.
+   (Why isn't that sufficient?  I don't remember any more, but it turns
+   out that it isn't.)
+
+   So, the only solution, when metacharacters are present, is to force the
+   shell to exec() its inferior.  What a fucking hack!  We prepend "exec "
+   to the command string, and hope it doesn't contain unquoted semicolons
+   or ampersands (we don't search for them, because we don't want to
+   prohibit their use in quoted strings (messages, for example) and parsing
+   out the various quote characters is too much of a pain.)
+
+   (Actually, Clint Wong <clint@jts.com> points out that process groups
+   might be used to take care of this problem; this may be worth considering
+   some day, except that, 1: this code works now, so why fix it, and 2: from
+   what I've seen in Emacs, dealing with process groups isn't especially
+   portable.)
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+
+#ifndef ESRCH
+# include <errno.h>
+#endif
+
+#if defined(HAVE_SETPRIORITY) && defined(PRIO_PROCESS)
+# include <sys/resource.h>     /* for setpriority() and PRIO_PROCESS */
+                               /* and also setrlimit() and RLIMIT_AS */
+#endif
+
+#ifdef VMS
+# include <processes.h>
+# include <unixio.h>           /* for close */
+# include <unixlib.h>          /* for getpid */
+# define pid_t int
+# define fork  vfork
+#endif /* VMS */
+
+
+extern const char *blurb (void);
+
+static void nice_process (int nice_level);
+
+
+#ifndef VMS
+
+static void
+exec_simple_command (const char *command)
+{
+  char *av[1024];
+  int ac = 0;
+  char *token = strtok (strdup(command), " \t");
+  while (token)
+    {
+      av[ac++] = token;
+      token = strtok(0, " \t");
+    }
+  av[ac] = 0;
+
+  execvp (av[0], av);  /* shouldn't return. */
+}
+
+
+static void
+exec_complex_command (const char *shell, const char *command)
+{
+  char *av[5];
+  int ac = 0;
+  char *command2 = (char *) malloc (strlen (command) + 10);
+  const char *s;
+  int got_eq = 0;
+  const char *after_vars;
+
+  /* Skip leading whitespace.
+   */
+  while (*command == ' ' || *command == '\t')
+    command++;
+
+  /* If the string has a series of tokens with "=" in them at them, set
+     `after_vars' to point into the string after those tokens and any
+     trailing whitespace.  Otherwise, after_vars == command.
+   */
+  after_vars = command;
+  for (s = command; *s; s++)
+    {
+      if (*s == '=') got_eq = 1;
+      else if (*s == ' ')
+        {
+          if (got_eq)
+            {
+              while (*s == ' ' || *s == '\t')
+                s++;
+              after_vars = s;
+              got_eq = 0;
+            }
+          else
+            break;
+        }
+    }
+
+  *command2 = 0;
+  strncat (command2, command, after_vars - command);
+  strcat (command2, "exec ");
+  strcat (command2, after_vars);
+
+  /* We have now done these transformations:
+     "foo -x -y"               ==>  "exec foo -x -y"
+     "BLAT=foop      foo -x"   ==>  "BLAT=foop      exec foo -x"
+     "BLAT=foop A=b  foo -x"   ==>  "BLAT=foop A=b  exec foo -x"
+   */
+
+
+  /* Invoke the shell as "/bin/sh -c 'exec prog -arg -arg ...'" */
+  av [ac++] = (char *) shell;
+  av [ac++] = "-c";
+  av [ac++] = command2;
+  av [ac]   = 0;
+
+  execvp (av[0], av);  /* shouldn't return. */
+}
+
+#else  /* VMS */
+
+static void
+exec_vms_command (const char *command)
+{
+  system (command);
+  fflush (stderr);
+  fflush (stdout);
+  exit (1);    /* Note that this only exits a child fork.  */
+}
+
+#endif /* !VMS */
+
+
+void
+exec_command (const char *shell, const char *command, int nice_level)
+{
+  int hairy_p;
+
+#ifndef VMS
+  if (nice != 0)
+    nice_process (nice_level);
+
+  hairy_p = !!strpbrk (command, "*?$&!<>[];`'\\\"=");
+  /* note: = is in the above because of the sh syntax "FOO=bar cmd". */
+
+  if (getuid() == (uid_t) 0 || geteuid() == (uid_t) 0)
+    {
+      /* If you're thinking of commenting this out, think again.
+         If you do so, you will open a security hole.  Mail jwz
+         so that he may enlighten you as to the error of your ways.
+       */
+      fprintf (stderr, "%s: we're still running as root!  Disaster!\n",
+               blurb());
+      exit (-1);
+    }
+
+  if (hairy_p)
+    /* If it contains any shell metacharacters, do it the hard way,
+       and fork a shell to parse the arguments for us. */
+    exec_complex_command (shell, command);
+  else
+    /* Otherwise, we can just exec the program directly. */
+    exec_simple_command (command);
+
+#else  /* VMS */
+  exec_vms_command (command);
+#endif /* VMS */
+}
+
+\f
+/* Setting process priority
+ */
+
+static void
+nice_process (int nice_level)
+{
+  if (nice_level == 0)
+    return;
+
+#if defined(HAVE_NICE)
+  {
+    int old_nice = nice (0);
+    int n = nice_level - old_nice;
+    errno = 0;
+    if (nice (n) == -1 && errno != 0)
+      {
+       char buf [512];
+       sprintf (buf, "%s: nice(%d) failed", blurb(), n);
+       perror (buf);
+    }
+  }
+#elif defined(HAVE_SETPRIORITY) && defined(PRIO_PROCESS)
+  if (setpriority (PRIO_PROCESS, getpid(), nice_level) != 0)
+    {
+      char buf [512];
+      sprintf (buf, "%s: setpriority(PRIO_PROCESS, %lu, %d) failed",
+              blurb(), (unsigned long) getpid(), nice_level);
+      perror (buf);
+    }
+#else
+  fprintf (stderr,
+          "%s: don't know how to change process priority on this system.\n",
+          blurb());
+
+#endif
+}
diff --git a/driver/lock.c b/driver/lock.c

index aad2cc6f58530d849f3d0b35849005a197697558..277cfc3c21f27c67a0c15b63511a5bd32413097f 100644 (file)
--- a/driver/lock.c
+++ b/driver/lock.c
@@ -19,6 +19,8 @@
  
  #include <X11/Intrinsic.h>
  #include <X11/Xos.h>           /* for time() */
  
  #include <X11/Intrinsic.h>
  #include <X11/Xos.h>           /* for time() */
+#include <time.h>
+#include <sys/time.h>
  #include "xscreensaver.h"
  #include "resources.h"
  
  #include "xscreensaver.h"
  #include "resources.h"
  
diff --git a/driver/prefs.c b/driver/prefs.c

index 7dcb768adecd4ecfde82ccd677ba7e757f47e918..46b93886211cc1cef9991d06950eeed1fe0e08e5 100644 (file)
--- a/driver/prefs.c
+++ b/driver/prefs.c
@@ -1337,15 +1337,28 @@ char *
  format_hack (screenhack *hack, Bool wrap_p)
  {
    int tab = 32;
  format_hack (screenhack *hack, Bool wrap_p)
  {
    int tab = 32;
-  int size = (2 * (strlen(hack->command) +
-                   (hack->visual ? strlen(hack->visual) : 0) +
-                   (hack->name ? strlen(hack->name) : 0) +
-                   tab));
-  char *h2 = (char *) malloc (size);
-  char *out = h2;
-  char *s;
+  int size;
+  char *h2, *out, *s;
    int col = 0;
  
    int col = 0;
  
+  char *def_name = make_hack_name (hack->command);
+
+  /* Don't ever write out a name for a hack if it's the same as the default.
+   */
+  if (hack->name && !strcmp (hack->name, def_name))
+    {
+      free (hack->name);
+      hack->name = 0;
+    }
+  free (def_name);
+
+  size = (2 * (strlen(hack->command) +
+               (hack->visual ? strlen(hack->visual) : 0) +
+               (hack->name ? strlen(hack->name) : 0) +
+               tab));
+  h2 = (char *) malloc (size);
+  out = h2;
+
    if (!hack->enabled_p) *out++ = '-';          /* write disabled flag */
  
    if (hack->visual && *hack->visual)           /* write visual name */
    if (!hack->enabled_p) *out++ = '-';          /* write disabled flag */
  
    if (hack->visual && *hack->visual)           /* write visual name */
diff --git a/driver/remote.c b/driver/remote.c

index 592d5d03ec75206c7262865e29f678b601eb8b86..38bc4c8b4720fd0c7b2d2415d364e55da54abf0a 100644 (file)
--- a/driver/remote.c
+++ b/driver/remote.c
@@ -16,6 +16,7 @@
  
  #include <stdio.h>
  #include <stdlib.h>
  
  #include <stdio.h>
  #include <stdlib.h>
+#include <time.h>
  #include <sys/time.h>
  #include <sys/types.h>
  
  #include <sys/time.h>
  #include <sys/types.h>
  
diff --git a/driver/screensaver-properties-capplet b/driver/screensaver-properties-capplet

index a2bb0da0c08fc24846aa9daa59616c986367875e..85557f89edf3711e513c71a1d1852ae21d6af1f3 100755 (executable)
--- a/driver/screensaver-properties-capplet
+++ b/driver/screensaver-properties-capplet
@@ -1,6 +1,6 @@
  #!/bin/sh
  # screensaver-properties-capplet --- interface to gnome-session.
  #!/bin/sh
  # screensaver-properties-capplet --- interface to gnome-session.
-# xscreensaver, Copyright (c) 1993-2001 Jamie Zawinski <jwz@jwz.org>
+# xscreensaver, Copyright (c) 1991-2002 Jamie Zawinski <jwz@jwz.org>
  #
  # Permission to use, copy, modify, distribute, and sell this software and its
  # documentation for any purpose is hereby granted without fee, provided that
  #
  # Permission to use, copy, modify, distribute, and sell this software and its
  # documentation for any purpose is hereby granted without fee, provided that
@@ -16,4 +16,4 @@
  # xscreensaver-demo accepts the same arguments that Gnome's capplet does,
  # except that "--capplet" must be the first argument.
  
  # xscreensaver-demo accepts the same arguments that Gnome's capplet does,
  # except that "--capplet" must be the first argument.
  
-exec xscreensaver-demo --capplet "$@"
+exec xscreensaver-demo --crapplet "$@"
diff --git a/driver/screensaver-properties.desktop.in b/driver/screensaver-properties.desktop.in

index 85328e0792b5ea55931422af109e3bfd839feef5..275d4d5d7d4bac1a7076a56ace0ccd81451babb2 100644 (file)
--- a/driver/screensaver-properties.desktop.in
+++ b/driver/screensaver-properties.desktop.in
@@ -1,42 +1,61 @@
  [Desktop Entry]
  Name=Screensaver
  [Desktop Entry]
  Name=Screensaver
+Name[az]=Ekran Qoruyucular
+Name[ca]=Protector de pantalla
  Name[da]=Pauseskærm
  Name[ca]=Protector de pantalla
  Name[de]=Bildschirmschoner
  Name[da]=Pauseskærm
  Name[ca]=Protector de pantalla
  Name[de]=Bildschirmschoner
-Name[es]=Propiedades Salvapantallas
+Name[es]=Salvapantalla
  Name[et]=Ekraanisäästja
  Name[et]=Ekraanisäästja
-Name[fi]=Ruudunsäästäjä
-Name[fr]=Propriétés Économiseur d'écran
+Name[fi]=Näytönsäästäjä
+Name[fr]=Économiseur d'écran
  Name[hu]=Képernyõvédõ
  Name[it]=Salvaschermo
  Name[ja]=¥¹¥¯¥ê¡¼¥ó¥»¡¼¥Ð¡¼
  Name[ko]=È¸é º¸È£±â
  Name[hu]=Képernyõvédõ
  Name[it]=Salvaschermo
  Name[ja]=¥¹¥¯¥ê¡¼¥ó¥»¡¼¥Ð¡¼
  Name[ko]=È¸é º¸È£±â
+Name[nn]=Skjermsparar
  Name[no]=Skjermsparer
  Name[pl]=Wygaszacz ekranu
  Name[pt]=Propriedades da protecção de ecrã
  Name[no]=Skjermsparer
  Name[pl]=Wygaszacz ekranu
  Name[pt]=Propriedades da protecção de ecrã
-Name[pt_BR]=Propriedades da proteção de tela
+Name[pt_BR]=Proteção de tela
  Name[ru]=èÒÁÎÉÔÅÌØ ÜËÒÁÎÁ
  Name[ru]=èÒÁÎÉÔÅÌØ ÜËÒÁÎÁ
+Name[sk]=©etriè obrazovky
+Name[sl]=Ohranjevalnik zaslona
  Name[sv]=Skärmsläckare
  Name[sv]=Skärmsläckare
-Name[wa]=Spårgneu di waitroûle
-Comment=Configure the settings of the screensaver.
-Comment[da]=Indstil din pauseskærm.
+Name[tr]=Ekran Koruyucusu
+Name[wa]=Sipårgneu di waitroûle
+Name[zh_TW]=¿Ã¹õ«OÅ@µ{¦¡
+Comment=Configure the settings of the screensaver
+Comment[az]=Ekran qoruyucu qurğularını aparın
+Comment[ca]=Configurar el protector de pantalla.
+Comment[cs]=Konfigurace ¹etøièe obrazovky
+Comment[da]=Indstil pauseskærmen
  Comment[ca]=Configurar el protector de pantalla.
  Comment[de]=Bildschirmschoner einrichten
  Comment[ca]=Configurar el protector de pantalla.
  Comment[de]=Bildschirmschoner einrichten
+Comment[el]=Ñýèìéóç ôùí éäéïôÞôùí ôçò ðñïöýëáîçò ïèüíçò
  Comment[es]=Configurar el salvapantalla
  Comment[et]=Ekraanisäästja häälestus
  Comment[es]=Configurar el salvapantalla
  Comment[et]=Ekraanisäästja häälestus
-Comment[fi]=Aseta ruudunsäästäjän asetukset.
-Comment[fr]=Configurer l'économiseur d'écran
+Comment[fi]=Muuta näytönsäästäjän asetuksia
+Comment[fr]=Configuration des propriétés de l'économiseur d'écran
  Comment[hu]=Képernyõvédõ beállítások
  Comment[it]=Impostazioni del salvaschermo
  Comment[ja]=¥¹¥¯¥ê¡¼¥ó¥»¡¼¥Ð¡¼¤ÎÀßÄê
  Comment[ko]=È¸é º¸È£±â ¼³Á¤
  Comment[hu]=Képernyõvédõ beállítások
  Comment[it]=Impostazioni del salvaschermo
  Comment[ja]=¥¹¥¯¥ê¡¼¥ó¥»¡¼¥Ð¡¼¤ÎÀßÄê
  Comment[ko]=È¸é º¸È£±â ¼³Á¤
+Comment[nn]=Set opp skjermspararen
  Comment[no]=Endre innstillingene for skjermspareren
  Comment[no]=Endre innstillingene for skjermspareren
-Comment[pl]=Konfiguracja wygaszacza ekranu
+Comment[pl]=Konfiguruje ustawienia wygaszacza ekranu
  Comment[pt]=Configura as opções da protecção de ecrã.
  Comment[pt]=Configura as opções da protecção de ecrã.
+Comment[pt_BR]=Configurar os parâmetros da proteção de tela
  Comment[ru]=îÁÓÔÒÏÊËÁ ÈÒÁÎÉÔÅÌÑ ÜËÒÁÎÁ.
  Comment[ru]=îÁÓÔÒÏÊËÁ ÈÒÁÎÉÔÅÌÑ ÜËÒÁÎÁ.
+Comment[ro]=Configuraþi setãrile protectorului de ecran
+Comment[sk]=Nastaví ¹etriè
+Comment[sl]=Nastavi ohranjevalnik zaslona
  Comment[sv]=Ändra inställningar för skärmsläckare
  Comment[sv]=Ändra inställningar för skärmsläckare
-Comment[wa]=Apontiaedje do spårgneu di waitroûle
+Comment[tr]=Ekran koruyucu ayarlarýný yap
+Comment[uk]=îÁÌÁÇÏÄÖÅÎÎÑ ÚÂÅÒ¦ÇÁÞÁ ÅËÒÁÎÁ
+Comment[wa]=Fjhoz l' apontiaedje do spårgneu di waitroûle
+Comment[zh_TW]=³]©w¿Ã¹õ«OÅ@µ{¦¡
  Exec=xscreensaver-demo --crapplet
  Exec=xscreensaver-demo --crapplet
-Icon=gnome-ccscreensaver.png
+Icon=xscreensaver.xpm
  Terminal=0
  Type=Application
  Terminal=0
  Type=Application
diff --git a/driver/stderr.c b/driver/stderr.c

index d4361df8d5e3a4f72732e3f0282ad5b141faa3f4..5f337c0059c059ed147db3ab6a2d575b583bd6d0 100644 (file)
--- a/driver/stderr.c
+++ b/driver/stderr.c
@@ -1,5 +1,5 @@
  /* stderr.c --- capturing stdout/stderr output onto the screensaver window.
  /* stderr.c --- capturing stdout/stderr output onto the screensaver window.
- * xscreensaver, Copyright (c) 1991-1998 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1991-1998, 2001 Jamie Zawinski <jwz@jwz.org>
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
@@ -478,6 +478,9 @@ initialize_stderr (saver_info *si)
  void
  shutdown_stderr (saver_info *si)
  {
  void
  shutdown_stderr (saver_info *si)
  {
+  fflush (stdout);
+  fflush (stderr);
+
    if (!real_stderr || stderr_stdout_read_fd < 0)
      return;
  
    if (!real_stderr || stderr_stdout_read_fd < 0)
      return;
  
@@ -489,7 +492,16 @@ shutdown_stderr (saver_info *si)
      {
        *stderr_tail = 0;
        fprintf (real_stderr, "%s", stderr_buffer);
      {
        *stderr_tail = 0;
        fprintf (real_stderr, "%s", stderr_buffer);
-      fflush (real_stderr);
        stderr_tail = stderr_buffer;
      }
        stderr_tail = stderr_buffer;
      }
+
+  if (real_stdout) fflush (real_stdout);
+  if (real_stderr) fflush (real_stderr);
+
+  if (stdout != real_stdout)
+    dup2 (fileno(real_stdout), fileno(stdout));
+  if (stderr != real_stderr)
+    dup2 (fileno(real_stderr), fileno(stderr));
+
+  stderr_stdout_read_fd = -1;
  }
  }
diff --git a/driver/subprocs.c b/driver/subprocs.c

index e97fc928944ba66a5f30de387d89c2661ef24aae..62ae9ae9040281054a50711acfd5b0c5ae395a04 100644 (file)
--- a/driver/subprocs.c
+++ b/driver/subprocs.c
@@ -30,10 +30,8 @@
  # include <sys/wait.h>         /* for waitpid() and associated macros */
  #endif
  
  # include <sys/wait.h>         /* for waitpid() and associated macros */
  #endif
  
-#if (defined(HAVE_SETPRIORITY) && defined(PRIO_PROCESS)) || \
-     defined(HAVE_SETRLIMIT)
-# include <sys/resource.h>     /* for setpriority() and PRIO_PROCESS */
-                               /* and also setrlimit() and RLIMIT_AS */
+#ifdef HAVE_SETRLIMIT
+# include <sys/resource.h>     /* for setrlimit() and RLIMIT_AS */
  #endif
  
  #ifdef VMS
  #endif
  
  #ifdef VMS
@@ -72,44 +70,16 @@ extern int kill (pid_t, int);               /* signal() is in sys/signal.h... */
  
  extern saver_info *global_si_kludge;   /* I hate C so much... */
  
  
  extern saver_info *global_si_kludge;   /* I hate C so much... */
  
-static void
-nice_subproc (int nice_level)
-{
-  if (nice_level == 0)
-    return;
-
-#if defined(HAVE_NICE)
-  {
-    int old_nice = nice (0);
-    int n = nice_level - old_nice;
-    errno = 0;
-    if (nice (n) == -1 && errno != 0)
-      {
-       char buf [512];
-       sprintf (buf, "%s: nice(%d) failed", blurb(), n);
-       perror (buf);
-    }
-  }
-#elif defined(HAVE_SETPRIORITY) && defined(PRIO_PROCESS)
-  if (setpriority (PRIO_PROCESS, getpid(), nice_level) != 0)
-    {
-      char buf [512];
-      sprintf (buf, "%s: setpriority(PRIO_PROCESS, %lu, %d) failed",
-              blurb(), (unsigned long) getpid(), nice_level);
-      perror (buf);
-    }
-#else
-  fprintf (stderr,
-          "%s: don't know how to change process priority on this system.\n",
-          blurb());
-
-#endif
-}
-
  
  /* RLIMIT_AS (called RLIMIT_VMEM on some systems) controls the maximum size
     of a process's address space, i.e., the maximal brk(2) and mmap(2) values.
     Setting this lets you put a cap on how much memory a process can allocate.
  
  /* RLIMIT_AS (called RLIMIT_VMEM on some systems) controls the maximum size
     of a process's address space, i.e., the maximal brk(2) and mmap(2) values.
     Setting this lets you put a cap on how much memory a process can allocate.
+
+   Except the "and mmap()" part kinda makes this useless, since many GL
+   implementations end up using mmap() to pull the whole frame buffer into
+   memory (or something along those lines) making it appear processes are
+   using hundreds of megabytes when in fact they're using very little, and
+   we end up capping their mallocs prematurely.  YAY!
   */
  #if defined(RLIMIT_VMEM) && !defined(RLIMIT_AS)
  # define RLIMIT_AS RLIMIT_VMEM
   */
  #if defined(RLIMIT_VMEM) && !defined(RLIMIT_AS)
  # define RLIMIT_AS RLIMIT_VMEM
@@ -163,227 +133,6 @@ limit_subproc_memory (int address_space_limit, Bool verbose_p)
  #endif /* HAVE_SETRLIMIT && RLIMIT_AS */
  }
  
  #endif /* HAVE_SETRLIMIT && RLIMIT_AS */
  }
  
-
-
-#ifndef VMS
-
-static void
-exec_simple_command (const char *command)
-{
-  char *av[1024];
-  int ac = 0;
-  char *token = strtok (strdup(command), " \t");
-  while (token)
-    {
-      av[ac++] = token;
-      token = strtok(0, " \t");
-    }
-  av[ac] = 0;
-
-  execvp (av[0], av);                  /* shouldn't return. */
-
-  {
-    char buf [512];
-    sprintf (buf, "%s: could not execute \"%s\"", blurb(), av[0]);
-    perror (buf);
-
-    if (errno == ENOENT &&
-       (token = getenv("PATH")))
-      {
-# ifndef PATH_MAX
-#  ifdef MAXPATHLEN
-#   define PATH_MAX MAXPATHLEN
-#  else
-#   define PATH_MAX 2048
-#  endif
-# endif
-       char path[PATH_MAX];
-       fprintf (stderr, "\n");
-       *path = 0;
-# if defined(HAVE_GETCWD)
-       getcwd (path, sizeof(path));
-# elif defined(HAVE_GETWD)
-       getwd (path);
-# endif
-       if (*path)
-         fprintf (stderr, "    Current directory is: %s\n", path);
-       fprintf (stderr, "    PATH is:\n");
-       token = strtok (strdup(token), ":");
-       while (token)
-         {
-           fprintf (stderr, "        %s\n", token);
-           token = strtok(0, ":");
-         }
-       fprintf (stderr, "\n");
-      }
-  }
-  fflush(stderr);
-  fflush(stdout);
-  exit (1);    /* Note that this only exits a child fork.  */
-}
-
-
-static void
-exec_complex_command (const char *shell, const char *command)
-{
-  char *av[5];
-  int ac = 0;
-  char *command2 = (char *) malloc (strlen (command) + 10);
-  const char *s;
-  int got_eq = 0;
-  const char *after_vars;
-
-  /* Skip leading whitespace.
-   */
-  while (*command == ' ' || *command == '\t')
-    command++;
-
-  /* If the string has a series of tokens with "=" in them at them, set
-     `after_vars' to point into the string after those tokens and any
-     trailing whitespace.  Otherwise, after_vars == command.
-   */
-  after_vars = command;
-  for (s = command; *s; s++)
-    {
-      if (*s == '=') got_eq = 1;
-      else if (*s == ' ')
-        {
-          if (got_eq)
-            {
-              while (*s == ' ' || *s == '\t')
-                s++;
-              after_vars = s;
-              got_eq = 0;
-            }
-          else
-            break;
-        }
-    }
-
-  *command2 = 0;
-  strncat (command2, command, after_vars - command);
-  strcat (command2, "exec ");
-  strcat (command2, after_vars);
-
-  /* We have now done these transformations:
-     "foo -x -y"               ==>  "exec foo -x -y"
-     "BLAT=foop      foo -x"   ==>  "BLAT=foop      exec foo -x"
-     "BLAT=foop A=b  foo -x"   ==>  "BLAT=foop A=b  exec foo -x"
-   */
-
-
-  /* Invoke the shell as "/bin/sh -c 'exec prog -arg -arg ...'" */
-  av [ac++] = (char *) shell;
-  av [ac++] = "-c";
-  av [ac++] = command2;
-  av [ac]   = 0;
-
-  execvp (av[0], av);                  /* shouldn't return. */
-
-  {
-    char buf [512];
-    sprintf (buf, "%s: execvp(\"%s\") failed", blurb(), av[0]);
-    perror (buf);
-    fflush(stderr);
-    fflush(stdout);
-    exit (1);  /* Note that this only exits a child fork.  */
-  }
-}
-
-#else  /* VMS */
-
-static void
-exec_vms_command (const char *command)
-{
-  system (command);
-  fflush (stderr);
-  fflush (stdout);
-  exit (1);    /* Note that this only exits a child fork.  */
-}
-
-#endif /* !VMS */
-
-
-static void
-exec_screenhack (saver_screen_info *ssi, const char *command)
-{
-  /* I don't believe what a sorry excuse for an operating system UNIX is!
-
-     - I want to spawn a process.
-     - I want to know it's pid so that I can kill it.
-     - I would like to receive a message when it dies of natural causes.
-     - I want the spawned process to have user-specified arguments.
-
-     If shell metacharacters are present (wildcards, backquotes, etc), the
-     only way to parse those arguments is to run a shell to do the parsing
-     for you.
-
-     And the only way to know the pid of the process is to fork() and exec()
-     it in the spawned side of the fork.
-
-     But if you're running a shell to parse your arguments, this gives you
-     the pid of the *shell*, not the pid of the *process* that you're
-     actually interested in, which is an *inferior* of the shell.  This also
-     means that the SIGCHLD you get applies to the shell, not its inferior.
-     (Why isn't that sufficient?  I don't remember any more, but it turns
-     out that it isn't.)
-
-     So, the only solution, when metacharacters are present, is to force the
-     shell to exec() its inferior.  What a fucking hack!  We prepend "exec "
-     to the command string, and hope it doesn't contain unquoted semicolons
-     or ampersands (we don't search for them, because we don't want to
-     prohibit their use in quoted strings (messages, for example) and parsing
-     out the various quote characters is too much of a pain.)
-
-     (Actually, Clint Wong <clint@jts.com> points out that process groups
-     might be used to take care of this problem; this may be worth considering
-     some day, except that, 1: this code works now, so why fix it, and 2: from
-     what I've seen in Emacs, dealing with process groups isn't especially
-     portable.)
-   */
-  saver_info *si = ssi->global;
-  saver_preferences *p = &si->prefs;
-
-#ifndef VMS
-  Bool hairy_p = !!strpbrk (command, "*?$&!<>[];`'\\\"=");
-  /* note: = is in the above because of the sh syntax "FOO=bar cmd". */
-
-  if (getuid() == (uid_t) 0 || geteuid() == (uid_t) 0)
-    {
-      /* If you're thinking of commenting this out, think again.
-         If you do so, you will open a security hole.  Mail jwz
-         so that he may enlighten you as to the error of your ways.
-       */
-      fprintf (stderr, "%s: we're still running as root!  Disaster!\n",
-               blurb());
-      saver_exit (si, 1, 0);
-    }
-
-  if (p->verbose_p)
-    fprintf (stderr, "%s: %d: spawning \"%s\" in pid %lu%s.\n",
-            blurb(), ssi->number, command,
-             (unsigned long) getpid (),
-            (hairy_p ? " (via shell)" : ""));
-
-  if (hairy_p)
-    /* If it contains any shell metacharacters, do it the hard way,
-       and fork a shell to parse the arguments for us. */
-    exec_complex_command (p->shell, command);
-  else
-    /* Otherwise, we can just exec the program directly. */
-    exec_simple_command (command);
-
-#else /* VMS */
-  if (p->verbose_p)
-    fprintf (stderr, "%s: %d: spawning \"%s\" in pid %lu.\n",
-            blurb(), ssi->number, command, getpid());
-  exec_vms_command (command);
-#endif /* VMS */
-
-  abort();     /* that shouldn't have returned. */
-}
-
-
  \f
  /* Management of child processes, and de-zombification.
   */
  \f
  /* Management of child processes, and de-zombification.
   */
@@ -844,6 +593,50 @@ select_visual_of_hack (saver_screen_info *ssi, screenhack *hack)
  }
  
  
  }
  
  
+static void
+print_path_error (const char *program)
+{
+  char buf [512];
+  char *cmd = strdup (program);
+  char *token = strchr (cmd, ' ');
+
+  if (token) *token = 0;
+  sprintf (buf, "%s: could not execute \"%.100s\"", blurb(), cmd);
+  free (cmd);
+  perror (buf);
+
+  if (errno == ENOENT &&
+      (token = getenv("PATH")))
+    {
+# ifndef PATH_MAX
+#  ifdef MAXPATHLEN
+#   define PATH_MAX MAXPATHLEN
+#  else
+#   define PATH_MAX 2048
+#  endif
+# endif
+      char path[PATH_MAX];
+      fprintf (stderr, "\n");
+      *path = 0;
+# if defined(HAVE_GETCWD)
+      getcwd (path, sizeof(path));
+# elif defined(HAVE_GETWD)
+      getwd (path);
+# endif
+      if (*path)
+        fprintf (stderr, "    Current directory is: %s\n", path);
+      fprintf (stderr, "    PATH is:\n");
+      token = strtok (strdup(token), ":");
+      while (token)
+        {
+          fprintf (stderr, "        %s\n", token);
+          token = strtok(0, ":");
+        }
+      fprintf (stderr, "\n");
+    }
+}
+
+
  static void
  spawn_screenhack_1 (saver_screen_info *ssi, Bool first_time_p)
  {
  static void
  spawn_screenhack_1 (saver_screen_info *ssi, Bool first_time_p)
  {
@@ -963,11 +756,18 @@ spawn_screenhack_1 (saver_screen_info *ssi, Bool first_time_p)
  
         case 0:
           close (ConnectionNumber (si->dpy));   /* close display fd */
  
         case 0:
           close (ConnectionNumber (si->dpy));   /* close display fd */
-         nice_subproc (p->nice_inferior);      /* change process priority */
           limit_subproc_memory (p->inferior_memory_limit, p->verbose_p);
           hack_subproc_environment (ssi);       /* set $DISPLAY */
           limit_subproc_memory (p->inferior_memory_limit, p->verbose_p);
           hack_subproc_environment (ssi);       /* set $DISPLAY */
-         exec_screenhack (ssi, hack->command); /* this does not return */
-         abort();
+
+          if (p->verbose_p)
+            fprintf (stderr, "%s: %d: spawning \"%s\" in pid %lu.\n",
+                     blurb(), ssi->number, hack->command,
+                     (unsigned long) getpid ());
+
+         exec_command (p->shell, hack->command, p->nice_inferior);
+          /* If that returned, we were unable to exec the subprocess. */
+          print_path_error (hack->command);
+          exit (1);  /* exits child fork */
           break;
  
         default:
           break;
  
         default:
@@ -1251,31 +1051,33 @@ save_argv (int argc, char **argv)
  }
  
  
  }
  
  
-/* Re-execs the process with the arguments in saved_argv.
-   Does not return unless there was an error.
+/* Re-execs the process with the arguments in saved_argv.  Does not return.
   */
  void
  restart_process (saver_info *si)
  {
   */
  void
  restart_process (saver_info *si)
  {
+  fflush (stdout);
+  fflush (stderr);
+  shutdown_stderr (si);
    if (si->prefs.verbose_p)
      {
        int i;
    if (si->prefs.verbose_p)
      {
        int i;
-      fprintf (real_stderr, "%s: re-executing", blurb());
+      fprintf (stderr, "%s: re-executing", blurb());
        for (i = 0; saved_argv[i]; i++)
        for (i = 0; saved_argv[i]; i++)
-       fprintf (real_stderr, " %s", saved_argv[i]);
-      fprintf (real_stderr, "\n");
+       fprintf (stderr, " %s", saved_argv[i]);
+      fprintf (stderr, "\n");
      }
      }
-  describe_uids (si, real_stderr);
-  fprintf (real_stderr, "\n");
+  describe_uids (si, stderr);
+  fprintf (stderr, "\n");
  
  
-  fflush (real_stdout);
-  fflush (real_stderr);
+  fflush (stdout);
+  fflush (stderr);
    execvp (saved_argv [0], saved_argv); /* shouldn't return */
    {
      char buf [512];
      sprintf (buf, "%s: could not restart process", blurb());
      perror(buf);
      fflush(stderr);
    execvp (saved_argv [0], saved_argv); /* shouldn't return */
    {
      char buf [512];
      sprintf (buf, "%s: could not restart process", blurb());
      perror(buf);
      fflush(stderr);
+    abort();
    }
    }
-  XBell(si->dpy, 0);
  }
  }
diff --git a/driver/timers.c b/driver/timers.c

index 7c2c363a071bb1a256d93dee8fa67091f0716a33..9f3877e5b07e0a4a230c79d759f0e8ef9e1e5c52 100644 (file)
--- a/driver/timers.c
+++ b/driver/timers.c
@@ -21,6 +21,8 @@
  #include <X11/Xlib.h>
  #include <X11/Intrinsic.h>
  #include <X11/Xos.h>
  #include <X11/Xlib.h>
  #include <X11/Intrinsic.h>
  #include <X11/Xos.h>
+#include <time.h>
+#include <sys/time.h>
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Error.h>
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Error.h>
@@ -131,6 +133,12 @@ notice_events (saver_info *si, Window window, Bool top_p)
       the mouse or touching the keyboard, we won't know that they've been
       active, and the screensaver will come on.  That sucks, but I don't
       know how to get around it.
       the mouse or touching the keyboard, we won't know that they've been
       active, and the screensaver will come on.  That sucks, but I don't
       know how to get around it.
+
+     Since X presents mouse wheels as clicks, this applies to those, too:
+     scrolling through a document using only the mouse wheel doesn't
+     count as activity...  Fortunately, /proc/interrupts helps, on
+     systems that have it.  Oh, if it's a PS/2 mouse, not serial or USB.
+     This sucks!
     */
    XSelectInput (si->dpy, window, SubstructureNotifyMask | events);
  
     */
    XSelectInput (si->dpy, window, SubstructureNotifyMask | events);
  
diff --git a/driver/windows.c b/driver/windows.c

index 8598e7e0f1ab05cfe4aae2afe3b0cb59aa9d44ab..d6cb192ebb22c53f12f80baca33953f1cc073452 100644 (file)
--- a/driver/windows.c
+++ b/driver/windows.c
@@ -36,6 +36,8 @@
  #include <X11/Xatom.h>
  #include <X11/Xos.h>           /* for time() */
  #include <signal.h>            /* for the signal names */
  #include <X11/Xatom.h>
  #include <X11/Xos.h>           /* for time() */
  #include <signal.h>            /* for the signal names */
+#include <time.h>
+#include <sys/time.h>
  
  #ifdef HAVE_MIT_SAVER_EXTENSION
  # include <X11/extensions/scrnsaver.h>
  
  #ifdef HAVE_MIT_SAVER_EXTENSION
  # include <X11/extensions/scrnsaver.h>
@@ -65,7 +67,7 @@
  
  extern int kill (pid_t, int);          /* signal() is in sys/signal.h... */
  
  
  extern int kill (pid_t, int);          /* signal() is in sys/signal.h... */
  
-Atom XA_VROOT, XA_XSETROOT_ID;
+Atom XA_VROOT, XA_XSETROOT_ID, XA_ESETROOT_PMAP_ID, XA_XROOTPMAP_ID;
  Atom XA_SCREENSAVER, XA_SCREENSAVER_VERSION, XA_SCREENSAVER_ID;
  Atom XA_SCREENSAVER_STATUS;
  
  Atom XA_SCREENSAVER, XA_SCREENSAVER_VERSION, XA_SCREENSAVER_ID;
  Atom XA_SCREENSAVER_STATUS;
  
@@ -357,8 +359,12 @@ remove_vroot_property (Display *dpy, Window win)
  }
  
  
  }
  
  
+static Bool safe_XKillClient (Display *dpy, XID id);
+
  static void
  static void
-kill_xsetroot_data (Display *dpy, Window window, Bool verbose_p)
+kill_xsetroot_data_1 (Display *dpy, Window window,
+                      Atom prop, const char *atom_name,
+                      Bool verbose_p)
  {
    Atom type;
    int format;
  {
    Atom type;
    int format;
@@ -376,8 +382,12 @@ kill_xsetroot_data (Display *dpy, Window window, Bool verbose_p)
       delete of the _XSETROOT_ID property, and if it held a pixmap, then we
       cause the RetainPermanent resources of the client which created it
       (and which no longer exists) to be freed.
       delete of the _XSETROOT_ID property, and if it held a pixmap, then we
       cause the RetainPermanent resources of the client which created it
       (and which no longer exists) to be freed.
+
+     Update: it seems that Gnome and KDE do this same trick, but with the
+     properties "ESETROOT_PMAP_ID" and/or "_XROOTPMAP_ID" instead of
+     "_XSETROOT_ID".  So, we'll kill those too.
     */
     */
-  if (XGetWindowProperty (dpy, window, XA_XSETROOT_ID, 0, 1,
+  if (XGetWindowProperty (dpy, window, prop, 0, 1,
                           True, AnyPropertyType, &type, &format, &nitems, 
                           &bytesafter, (unsigned char **) &dataP)
        == Success
                           True, AnyPropertyType, &type, &format, &nitems, 
                           &bytesafter, (unsigned char **) &dataP)
        == Success
@@ -387,20 +397,31 @@ kill_xsetroot_data (Display *dpy, Window window, Bool verbose_p)
           nitems == 1 && bytesafter == 0)
         {
           if (verbose_p)
           nitems == 1 && bytesafter == 0)
         {
           if (verbose_p)
-           fprintf (stderr, "%s: destroying xsetroot data (0x%lX).\n",
-                    blurb(), *dataP);
-         XKillClient (dpy, *dataP);
+           fprintf (stderr, "%s: destroying %s data (0x%lX).\n",
+                    blurb(), atom_name, *dataP);
+         safe_XKillClient (dpy, *dataP);
         }
        else
         }
        else
-       fprintf (stderr, "%s: deleted unrecognised _XSETROOT_ID property: \n\
-       %lu, %lu; type: %lu, format: %d, nitems: %lu, bytesafter %ld\n",
-                blurb(), (unsigned long) dataP, (dataP ? *dataP : 0), type,
+       fprintf (stderr,
+                 "%s: deleted unrecognised %s property: \n"
+                 "\t%lu, %lu; type: %lu, format: %d, "
+                 "nitems: %lu, bytesafter %ld\n",
+                blurb(), atom_name,
+                 (unsigned long) dataP, (dataP ? *dataP : 0), type,
                  format, nitems, bytesafter);
      }
  }
  
  
                  format, nitems, bytesafter);
      }
  }
  
  
-static void handle_signals (saver_info *si, Bool on_p);
+static void
+kill_xsetroot_data (Display *dpy, Window w, Bool verbose_p)
+{
+  kill_xsetroot_data_1 (dpy, w, XA_XSETROOT_ID, "_XSETROOT_ID", verbose_p);
+  kill_xsetroot_data_1 (dpy, w, XA_ESETROOT_PMAP_ID, "ESETROOT_PMAP_ID",
+                        verbose_p);
+  kill_xsetroot_data_1 (dpy, w, XA_XROOTPMAP_ID, "_XROOTPMAP_ID", verbose_p);
+}
+
  
  static void
  save_real_vroot (saver_screen_info *ssi)
  
  static void
  save_real_vroot (saver_screen_info *ssi)
@@ -463,7 +484,6 @@ save_real_vroot (saver_screen_info *ssi)
  
    if (ssi->real_vroot)
      {
  
    if (ssi->real_vroot)
      {
-      handle_signals (si, True);
        remove_vroot_property (si->dpy, ssi->real_vroot);
        XSync (dpy, False);
      }
        remove_vroot_property (si->dpy, ssi->real_vroot);
        XSync (dpy, False);
      }
@@ -473,7 +493,7 @@ save_real_vroot (saver_screen_info *ssi)
  
  
  static Bool
  
  
  static Bool
-restore_real_vroot_2 (saver_screen_info *ssi)
+restore_real_vroot_1 (saver_screen_info *ssi)
  {
    saver_info *si = ssi->global;
    saver_preferences *p = &si->prefs;
  {
    saver_info *si = ssi->global;
    saver_preferences *p = &si->prefs;
@@ -496,27 +516,20 @@ restore_real_vroot_2 (saver_screen_info *ssi)
    return False;
  }
  
    return False;
  }
  
-static Bool
-restore_real_vroot_1 (saver_info *si)
+Bool
+restore_real_vroot (saver_info *si)
  {
    int i;
    Bool did_any = False;
    for (i = 0; i < si->nscreens; i++)
      {
        saver_screen_info *ssi = &si->screens[i];
  {
    int i;
    Bool did_any = False;
    for (i = 0; i < si->nscreens; i++)
      {
        saver_screen_info *ssi = &si->screens[i];
-      if (restore_real_vroot_2 (ssi))
+      if (restore_real_vroot_1 (ssi))
         did_any = True;
      }
    return did_any;
  }
  
         did_any = True;
      }
    return did_any;
  }
  
-void
-restore_real_vroot (saver_info *si)
-{
-  if (restore_real_vroot_1 (si))
-    handle_signals (si, False);
-}
-
  \f
  /* Signal hackery to ensure that the vroot doesn't get left in an 
     inconsistent state
  \f
  /* Signal hackery to ensure that the vroot doesn't get left in an 
     inconsistent state
@@ -603,67 +616,102 @@ restore_real_vroot_handler (int sig)
    saver_info *si = global_si_kludge;   /* I hate C so much... */
  
    signal (sig, SIG_DFL);
    saver_info *si = global_si_kludge;   /* I hate C so much... */
  
    signal (sig, SIG_DFL);
-  if (restore_real_vroot_1 (si))
+  if (restore_real_vroot (si))
      fprintf (real_stderr, "\n%s: %s intercepted, vroot restored.\n",
              blurb(), signal_name(sig));
    kill (getpid (), sig);
  }
  
  static void
      fprintf (real_stderr, "\n%s: %s intercepted, vroot restored.\n",
              blurb(), signal_name(sig));
    kill (getpid (), sig);
  }
  
  static void
-catch_signal (saver_info *si, int sig, Bool on_p)
+catch_signal (saver_info *si, int sig, RETSIGTYPE (*handler) (int))
  {
  {
-  if (! on_p)
-    signal (sig, SIG_DFL);
-  else
+# ifdef HAVE_SIGACTION
+
+  struct sigaction a;
+  a.sa_handler = handler;
+  sigemptyset (&a.sa_mask);
+  a.sa_flags = 0;
+
+  /* On Linux 2.4.9 (at least) we need to tell the kernel to not mask delivery
+     of this signal from inside its handler, or else when we execvp() the
+     process again, it starts up with SIGHUP blocked, meaning that killing
+     it with -HUP only works *once*.  You'd think that execvp() would reset
+     all the signal masks, but it doesn't.
+   */
+#  if defined(SA_NOMASK)
+  a.sa_flags |= SA_NOMASK;
+#  elif defined(SA_NODEFER)
+  a.sa_flags |= SA_NODEFER;
+#  endif
+
+  if (sigaction (sig, &a, 0) < 0)
+# else  /* !HAVE_SIGACTION */
+  if (((long) signal (sig, handler)) == -1L)
+# endif /* !HAVE_SIGACTION */
      {
      {
-      if (((long) signal (sig, restore_real_vroot_handler)) == -1L)
-       {
-         char buf [255];
-         sprintf (buf, "%s: couldn't catch %s", blurb(), signal_name(sig));
-         perror (buf);
-         saver_exit (si, 1, 0);
-       }
+      char buf [255];
+      sprintf (buf, "%s: couldn't catch %s", blurb(), signal_name(sig));
+      perror (buf);
+      saver_exit (si, 1, 0);
      }
  }
  
      }
  }
  
-static void
-handle_signals (saver_info *si, Bool on_p)
+static RETSIGTYPE saver_sighup_handler (int sig);
+
+void
+handle_signals (saver_info *si)
  {
  {
-#if 0
-  if (on_p) fprintf (stderr, "handling signals\n");
-  else fprintf (stderr, "unhandling signals\n");
-#endif
+  catch_signal (si, SIGHUP, saver_sighup_handler);
  
  
-  catch_signal (si, SIGHUP,  on_p);
-  catch_signal (si, SIGINT,  on_p);
-  catch_signal (si, SIGQUIT, on_p);
-  catch_signal (si, SIGILL,  on_p);
-  catch_signal (si, SIGTRAP, on_p);
+  catch_signal (si, SIGINT,  restore_real_vroot_handler);
+  catch_signal (si, SIGQUIT, restore_real_vroot_handler);
+  catch_signal (si, SIGILL,  restore_real_vroot_handler);
+  catch_signal (si, SIGTRAP, restore_real_vroot_handler);
  #ifdef SIGIOT
  #ifdef SIGIOT
-  catch_signal (si, SIGIOT,  on_p);
+  catch_signal (si, SIGIOT,  restore_real_vroot_handler);
  #endif
  #endif
-  catch_signal (si, SIGABRT, on_p);
+  catch_signal (si, SIGABRT, restore_real_vroot_handler);
  #ifdef SIGEMT
  #ifdef SIGEMT
-  catch_signal (si, SIGEMT,  on_p);
+  catch_signal (si, SIGEMT,  restore_real_vroot_handler);
  #endif
  #endif
-  catch_signal (si, SIGFPE,  on_p);
-  catch_signal (si, SIGBUS,  on_p);
-  catch_signal (si, SIGSEGV, on_p);
+  catch_signal (si, SIGFPE,  restore_real_vroot_handler);
+  catch_signal (si, SIGBUS,  restore_real_vroot_handler);
+  catch_signal (si, SIGSEGV, restore_real_vroot_handler);
  #ifdef SIGSYS
  #ifdef SIGSYS
-  catch_signal (si, SIGSYS,  on_p);
+  catch_signal (si, SIGSYS,  restore_real_vroot_handler);
  #endif
  #endif
-  catch_signal (si, SIGTERM, on_p);
+  catch_signal (si, SIGTERM, restore_real_vroot_handler);
  #ifdef SIGXCPU
  #ifdef SIGXCPU
-  catch_signal (si, SIGXCPU, on_p);
+  catch_signal (si, SIGXCPU, restore_real_vroot_handler);
  #endif
  #ifdef SIGXFSZ
  #endif
  #ifdef SIGXFSZ
-  catch_signal (si, SIGXFSZ, on_p);
+  catch_signal (si, SIGXFSZ, restore_real_vroot_handler);
  #endif
  #ifdef SIGDANGER
  #endif
  #ifdef SIGDANGER
-  catch_signal (si, SIGDANGER, on_p);
+  catch_signal (si, SIGDANGER, restore_real_vroot_handler);
  #endif
  }
  
  #endif
  }
  
+
+static RETSIGTYPE
+saver_sighup_handler (int sig)
+{
+  saver_info *si = global_si_kludge;   /* I hate C so much... */
+
+  /* Re-establish SIGHUP handler */
+  catch_signal (si, SIGHUP, saver_sighup_handler);
+
+  fprintf (stderr, "%s: %s received: restarting...\n",
+           blurb(), signal_name(sig));
+  unblank_screen (si);
+  kill_screenhack (si);
+  XSync (si->dpy, False);
+  restart_process (si);   /* Does not return */
+  abort ();
+}
+
+
+
  void
  saver_exit (saver_info *si, int status, const char *dump_core_reason)
  {
  void
  saver_exit (saver_info *si, int status, const char *dump_core_reason)
  {
@@ -677,7 +725,7 @@ saver_exit (saver_info *si, int status, const char *dump_core_reason)
  
    exiting = True;
    
  
    exiting = True;
    
-  vrs = restore_real_vroot_1 (si);
+  vrs = restore_real_vroot (si);
    emergency_kill_subproc (si);
    shutdown_stderr (si);
  
    emergency_kill_subproc (si);
    shutdown_stderr (si);
  
@@ -1097,6 +1145,24 @@ safe_XDestroyWindow (Display *dpy, Window window)
  }
  
  
  }
  
  
+static Bool
+safe_XKillClient (Display *dpy, XID id)
+{
+  XErrorHandler old_handler;
+  XSync (dpy, False);
+  error_handler_hit_p = False;
+  old_handler = XSetErrorHandler (ignore_all_errors_ehandler);
+
+  XKillClient (dpy, id);
+
+  XSync (dpy, False);
+  XSetErrorHandler (old_handler);
+  XSync (dpy, False);
+
+  return (!error_handler_hit_p);
+}
+
+
  static void
  initialize_screensaver_window_1 (saver_screen_info *ssi)
  {
  static void
  initialize_screensaver_window_1 (saver_screen_info *ssi)
  {
diff --git a/driver/xscreensaver-command.c b/driver/xscreensaver-command.c

index 53712ee2f2b400a3f9ebf17ebe435a2d71f01993..8cd1928cea742e18b2cb0cff751767a20a10acb4 100644 (file)
--- a/driver/xscreensaver-command.c
+++ b/driver/xscreensaver-command.c
@@ -16,6 +16,7 @@
  
  #include <stdio.h>
  #include <stdlib.h>
  
  #include <stdio.h>
  #include <stdlib.h>
+#include <time.h>
  #include <sys/time.h>
  #include <sys/types.h>
  
  #include <sys/time.h>
  #include <sys/types.h>
  
diff --git a/driver/xscreensaver-command.man b/driver/xscreensaver-command.man

index e9faa1e86ed08ea70e2cc70783b880cdbc35e3f4..207f2fa97119790550706a1551946ebbc8e3e146 100644 (file)
--- a/driver/xscreensaver-command.man
+++ b/driver/xscreensaver-command.man
@@ -11,7 +11,7 @@
  .if n .sp 1
  .if t .sp .5
  ..
  .if n .sp 1
  .if t .sp .5
  ..
-.TH XScreenSaver 1 "02-Jan-2002 (4.00)" "X Version 11"
+.TH XScreenSaver 1 "24-Feb-2002 (4.01)" "X Version 11"
  .SH NAME
  xscreensaver-command - control a running xscreensaver process
  .SH SYNOPSIS
  .SH NAME
  xscreensaver-command - control a running xscreensaver process
  .SH SYNOPSIS
@@ -88,10 +88,14 @@ the screensaver comes on.  (Because if you jiggle the mouse, xscreensaver
  will notice, and deactivate.)
  .TP 8
  .B \-deactivate
  will notice, and deactivate.)
  .TP 8
  .B \-deactivate
-If the screensaver is active (the screen is blanked), this command will
-deactivate it just as if there had been keyboard or mouse activity.  
-If locking is enabled, then the screensaver will prompt for a password
-as usual.
+This tells xscreensaver to pretend that there has just been user activity.
+This means that if the screensaver is active (the screen is blanked),
+then this command will cause the screen to un-blank as if there had been
+keyboard or mouse activity.  If the screen is locked, then the password
+dialog will pop up first, as usual.  If the screen is not blanked, then
+this simulated user activity will re-start the countdown (so, issuing
+the \fI\-deactivate\fP command periodically is \fIone\fP way to prevent
+the screen from blanking.)
  .TP 8
  .B \-cycle
  If the screensaver is active (the screen is blanked), then stop the current
  .TP 8
  .B \-cycle
  If the screensaver is active (the screen is blanked), then stop the current
@@ -252,7 +256,7 @@ and related tools can always be found at http://www.jwz.org/xscreensaver/
  .BR xscreensaver (1)
  .BR xscreensaver\-demo (1)
  .SH COPYRIGHT
  .BR xscreensaver (1)
  .BR xscreensaver\-demo (1)
  .SH COPYRIGHT
-Copyright \(co 1992, 1993, 1997, 1998, 1999, 2000, 2001
+Copyright \(co 1992, 1993, 1997, 1998, 1999, 2000, 2001, 2002
  by Jamie Zawinski.  Permission to use, copy, modify, distribute, and sell
  this software and its documentation for any purpose is hereby granted without
  fee, provided that the above copyright notice appear in all copies and that
  by Jamie Zawinski.  Permission to use, copy, modify, distribute, and sell
  this software and its documentation for any purpose is hereby granted without
  fee, provided that the above copyright notice appear in all copies and that
diff --git a/driver/xscreensaver-demo.man b/driver/xscreensaver-demo.man

index f4f6d246cff5347fc9e431f6bfdebd49ca5336a8..a275a2caaee1a615924a407dd7f504f8b7f1a91a 100644 (file)
--- a/driver/xscreensaver-demo.man
+++ b/driver/xscreensaver-demo.man
@@ -11,7 +11,7 @@
  .if n .sp 1
  .if t .sp .5
  ..
  .if n .sp 1
  .if t .sp .5
  ..
-.TH XScreenSaver 1 "02-Jan-2002 (4.00)" "X Version 11"
+.TH XScreenSaver 1 "24-Feb-2002 (4.01)" "X Version 11"
  .SH NAME
  xscreensaver-demo - interactively control the background xscreensaver daemon
  .SH SYNOPSIS
  .SH NAME
  xscreensaver-demo - interactively control the background xscreensaver daemon
  .SH SYNOPSIS
@@ -338,7 +338,7 @@ http://www.jwz.org/xscreensaver/
  .BR xscreensaver\-command (1),
  .BR xscreensaver\-getimage (1)
  .SH COPYRIGHT
  .BR xscreensaver\-command (1),
  .BR xscreensaver\-getimage (1)
  .SH COPYRIGHT
-Copyright \(co 1992, 1993, 1997, 1998, 1999, 2000, 2001
+Copyright \(co 1992, 1993, 1997, 1998, 1999, 2000, 2001, 2002
  by Jamie Zawinski.  Permission to use, copy, modify, distribute, and sell
  this software and its documentation for any purpose is hereby granted without
  fee, provided that the above copyright notice appear in all copies and that
  by Jamie Zawinski.  Permission to use, copy, modify, distribute, and sell
  this software and its documentation for any purpose is hereby granted without
  fee, provided that the above copyright notice appear in all copies and that
diff --git a/driver/xscreensaver-getimage-file b/driver/xscreensaver-getimage-file

index 6370db1c24b4d47ca4a1647e55a6d697b1fb3e40..2da17d5958522b907faeff90deed9f1583398441 100755 (executable)
--- a/driver/xscreensaver-getimage-file
+++ b/driver/xscreensaver-getimage-file
@@ -1,5 +1,5 @@
  #!/usr/bin/perl -w
  #!/usr/bin/perl -w
-# Copyright © 2001 Jamie Zawinski <jwz@jwz.org>, all rights reserved.
+# Copyright © 2001, 2002 Jamie Zawinski <jwz@jwz.org>.
  #
  # Permission to use, copy, modify, distribute, and sell this software and its
  # documentation for any purpose is hereby granted without fee, provided that
  #
  # Permission to use, copy, modify, distribute, and sell this software and its
  # documentation for any purpose is hereby granted without fee, provided that
@@ -29,10 +29,10 @@ use strict;
  
  use POSIX;
  use Fcntl;
  
  use POSIX;
  use Fcntl;
-
+use Fcntl ':mode';
  
  my $progname = $0; $progname =~ s@.*/@@g;
  
  my $progname = $0; $progname =~ s@.*/@@g;
-my $version = q{ $Revision: 1.6 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
+my $version = q{ $Revision: 1.8 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
  
  my $verbose = 0;
  
  
  my $verbose = 0;
  
@@ -99,8 +99,21 @@ sub find_all_files {
      next if ($file eq "core");
  
      $file = "$dir/$file";
      next if ($file eq "core");
  
      $file = "$dir/$file";
+    my @st = stat($file);
      my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
      my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
-        $atime,$mtime,$ctime,$blksize,$blocks) = stat($file);
+        $atime,$mtime,$ctime,$blksize,$blocks) = @st;
+
+    if ($#st == -1) {
+      if ($verbose) {
+        my $ll = readlink $file;
+        if (defined ($ll)) {
+          print STDERR "$progname: dangling symlink: $file -> $ll\n";
+        } else {
+          print STDERR "$progname: unreadable: $file\n";
+        }
+      }
+      next;
+    }
  
      next if ($seen_inodes{$ino}); # break symlink loops
      $seen_inodes{$ino} = 1;
  
      next if ($seen_inodes{$ino}); # break symlink loops
      $seen_inodes{$ino} = 1;
@@ -129,10 +142,16 @@ sub find_random_file {
  
    print STDERR "$progname: recursively reading $dir...\n" if ($verbose > 1);
    find_all_files ($dir);
  
    print STDERR "$progname: recursively reading $dir...\n" if ($verbose > 1);
    find_all_files ($dir);
-  print STDERR "$progname: found $#all_files files\n" if ($verbose > 1);
+  print STDERR "$progname: found " . ($#all_files+1) . " files\n"
+    if ($verbose > 1);
  
    @all_files = sort(@all_files);
  
  
    @all_files = sort(@all_files);
  
+  if ($#all_files < 0) {
+    print STDERR "$progname: no files in $dir\n";
+    exit 1;
+  }
+
    my $n = int (rand ($#all_files + 1));
    my $file = $all_files[$n];
  
    my $n = int (rand ($#all_files + 1));
    my $file = $all_files[$n];
  
diff --git a/driver/xscreensaver-getimage-file.man b/driver/xscreensaver-getimage-file.man

index 175e744ebe4b763ad10a26326139bcfb91eb78ca..ca0e92cb7e17b03b688c29569a54c1601e28db9a 100644 (file)
--- a/driver/xscreensaver-getimage-file.man
+++ b/driver/xscreensaver-getimage-file.man
@@ -1,4 +1,4 @@
-.TH XScreenSaver 1 "02-Jan-2002 (4.00)" "X Version 11"
+.TH XScreenSaver 1 "24-Feb-2002 (4.01)" "X Version 11"
  .SH NAME
  xscreensaver-getimage-file - put a randomly-selected image on the root window
  .SH SYNOPSIS
  .SH NAME
  xscreensaver-getimage-file - put a randomly-selected image on the root window
  .SH SYNOPSIS
diff --git a/driver/xscreensaver-getimage-video b/driver/xscreensaver-getimage-video

index 4dc449ff53fe52c5088cec86d68b9d2690312554..7612b1235e1fd2986bb4d0a3597b2513b1d2f962 100755 (executable)
--- a/driver/xscreensaver-getimage-video
+++ b/driver/xscreensaver-getimage-video
@@ -1,5 +1,5 @@
  #!/usr/bin/perl -w
  #!/usr/bin/perl -w
-# Copyright © 2001 Jamie Zawinski <jwz@jwz.org>, all rights reserved.
+# Copyright © 2001, 2002 Jamie Zawinski <jwz@jwz.org>.
  #
  # Permission to use, copy, modify, distribute, and sell this software and its
  # documentation for any purpose is hereby granted without fee, provided that
  #
  # Permission to use, copy, modify, distribute, and sell this software and its
  # documentation for any purpose is hereby granted without fee, provided that
@@ -29,7 +29,7 @@ use diagnostics;
  use strict;
  
  my $progname = $0; $progname =~ s@.*/@@g;
  use strict;
  
  my $progname = $0; $progname =~ s@.*/@@g;
-my $version = q{ $Revision: 1.6 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
+my $version = q{ $Revision: 1.7 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
  
  my $verbose = 0;
  
  
  my $verbose = 0;
  
@@ -57,6 +57,9 @@ my @programs = (
    "streamer -s 768x576 -o $tmpfile",           # XawTV
    "atitv snap $tmpfile",                       # ATI video capture card
  
    "streamer -s 768x576 -o $tmpfile",           # XawTV
    "atitv snap $tmpfile",                       # ATI video capture card
  
+  "grab -type ppm -format ntsc -source 1 " .
+        "-settle 0.75 -output $tmpfile",       # *BSD BT848 module
+
    "vidtomem -f $tmpfile 2>&- && mv $sgi_bogosity $tmpfile",  # Silicon Graphics
  );
  
    "vidtomem -f $tmpfile 2>&- && mv $sgi_bogosity $tmpfile",  # Silicon Graphics
  );
  
diff --git a/driver/xscreensaver-getimage-video.man b/driver/xscreensaver-getimage-video.man

index e6674b177d341aee73fa125c6adef824819b2e4c..2f05128288a41cd3c83b6852b538701e03d9c8d4 100644 (file)
--- a/driver/xscreensaver-getimage-video.man
+++ b/driver/xscreensaver-getimage-video.man
@@ -1,4 +1,4 @@
-.TH XScreenSaver 1 "02-Jan-2002 (4.00)" "X Version 11"
+.TH XScreenSaver 1 "24-Feb-2002 (4.01)" "X Version 11"
  .SH NAME
  xscreensaver-getimage-video - put a video frame on the root window
  .SH SYNOPSIS
  .SH NAME
  xscreensaver-getimage-video - put a video frame on the root window
  .SH SYNOPSIS
diff --git a/driver/xscreensaver-getimage.c b/driver/xscreensaver-getimage.c

index c5c302996315fd5e1352692292a9ac145603587c..46e3019eee924e3024348b265e53402e49870395 100644 (file)
--- a/driver/xscreensaver-getimage.c
+++ b/driver/xscreensaver-getimage.c
@@ -16,6 +16,7 @@
  #include "utils.h"
  
  #include <X11/Intrinsic.h>
  #include "utils.h"
  
  #include <X11/Intrinsic.h>
+#include <ctype.h>
  #include <errno.h>
  
  #ifdef HAVE_XMU
  #include <errno.h>
  
  #ifdef HAVE_XMU
@@ -32,6 +33,7 @@
  #include "grabscreen.h"
  #include "resources.h"
  #include "colorbars.h"
  #include "grabscreen.h"
  #include "resources.h"
  #include "colorbars.h"
+#include "visual.h"
  #include "prefs.h"
  #include "vroot.h"
  
  #include "prefs.h"
  #include "vroot.h"
  
@@ -129,6 +131,10 @@ get_image (Screen *screen, Window window, Bool verbose_p)
    enum { do_desk, do_video, do_image, do_bars } which = do_bars;
    int count = 0;
  
    enum { do_desk, do_video, do_image, do_bars } which = do_bars;
    int count = 0;
  
+  XWindowAttributes xgwa;
+  XGetWindowAttributes (dpy, window, &xgwa);
+  screen = xgwa.screen;
+
    if (verbose_p)
      {
        fprintf (stderr, "%s: grabDesktopImages:  %s\n",
    if (verbose_p)
      {
        fprintf (stderr, "%s: grabDesktopImages:  %s\n",
@@ -195,13 +201,17 @@ get_image (Screen *screen, Window window, Bool verbose_p)
    if (count == 0)
      which = do_bars;
    else
    if (count == 0)
      which = do_bars;
    else
-    while (1)  /* loop until we get one that's permitted */
-      {
-        which = (random() % 3);
-        if (which == do_desk  && desk_p)  break;
-        if (which == do_video && video_p) break;
-        if (which == do_image && image_p) break;
-      }
+    {
+      int i = 0;
+      while (1)  /* loop until we get one that's permitted */
+        {
+          which = (random() % 3);
+          if (which == do_desk  && desk_p)  break;
+          if (which == do_video && video_p) break;
+          if (which == do_image && image_p) break;
+          if (++i > 200) abort();
+        }
+    }
  
    if (which == do_desk)
      {
  
    if (which == do_desk)
      {
@@ -215,8 +225,6 @@ get_image (Screen *screen, Window window, Bool verbose_p)
      }
    else if (which == do_bars)
      {
      }
    else if (which == do_bars)
      {
-      XWindowAttributes xgwa;
-      XGetWindowAttributes (dpy, window, &xgwa);
        if (verbose_p)
          fprintf (stderr, "%s: drawing colorbars\n", progname);
        draw_colorbars (dpy, window, 0, 0, xgwa.width, xgwa.height);
        if (verbose_p)
          fprintf (stderr, "%s: drawing colorbars\n", progname);
        draw_colorbars (dpy, window, 0, 0, xgwa.width, xgwa.height);
@@ -271,8 +279,20 @@ get_image (Screen *screen, Window window, Bool verbose_p)
        {
          const char *odpy = DisplayString (dpy);
          char *ndpy = (char *) malloc(strlen(odpy) + 20);
        {
          const char *odpy = DisplayString (dpy);
          char *ndpy = (char *) malloc(strlen(odpy) + 20);
+        char *s;
+        int screen_no = screen_number (screen);  /* might not be default now */
+
          strcpy (ndpy, "DISPLAY=");
          strcpy (ndpy, "DISPLAY=");
-        strcat (ndpy, odpy);
+        s = ndpy + strlen(ndpy);
+        strcpy (s, odpy);
+
+        while (*s && *s != ':') s++;           /* skip to colon */
+        while (*s == ':') s++;                 /* skip over colons */
+        while (isdigit(*s)) s++;               /* skip over dpy number */
+        while (*s == '.') s++;                 /* skip over dot */
+        if (s[-1] != '.') *s++ = '.';          /* put on a dot */
+        sprintf(s, "%d", screen_no);           /* put on screen number */
+
          if (putenv (ndpy))
            abort ();
        }
          if (putenv (ndpy))
            abort ();
        }
diff --git a/driver/xscreensaver-getimage.man b/driver/xscreensaver-getimage.man

index 37791f5417056999ffff2ba4c0d360535582f288..682c35128d9e3705e09ca92cb5d9e27d0984f824 100644 (file)
--- a/driver/xscreensaver-getimage.man
+++ b/driver/xscreensaver-getimage.man
@@ -1,4 +1,4 @@
-.TH XScreenSaver 1 "02-Jan-2002 (4.00)" "X Version 11"
+.TH XScreenSaver 1 "24-Feb-2002 (4.01)" "X Version 11"
  .SH NAME
  xscreensaver-getimage - put some randomly-selected image on the root window
  .SH SYNOPSIS
  .SH NAME
  xscreensaver-getimage - put some randomly-selected image on the root window
  .SH SYNOPSIS
diff --git a/driver/xscreensaver.c b/driver/xscreensaver.c

index 67daea81eed6df9e39dd76203f5b8d31dbd4c811..628bcf1d442b4090899e397bed66979fbddf7de6 100644 (file)
--- a/driver/xscreensaver.c
+++ b/driver/xscreensaver.c
@@ -132,6 +132,8 @@
  #include <X11/StringDefs.h>
  #include <X11/Shell.h>
  #include <X11/Xos.h>
  #include <X11/StringDefs.h>
  #include <X11/Shell.h>
  #include <X11/Xos.h>
+#include <time.h>
+#include <sys/time.h>
  #include <netdb.h>     /* for gethostbyname() */
  #ifdef HAVE_XMU
  # ifndef VMS
  #include <netdb.h>     /* for gethostbyname() */
  #ifdef HAVE_XMU
  # ifndef VMS
@@ -471,6 +473,16 @@ lock_initialization (saver_info *si, int *argc, char **argv)
        si->locking_disabled_p = True;
        si->nolock_reason = "error getting password";
      }
        si->locking_disabled_p = True;
        si->nolock_reason = "error getting password";
      }
+
+  /* If locking is currently enabled, but the environment indicates that
+     we have been launched as GDM's "Background" program, then disable
+     locking just in case.
+   */
+  if (!si->locking_disabled_p && getenv ("RUNNING_UNDER_GDM"))
+    {
+      si->locking_disabled_p = True;
+      si->nolock_reason = "running under GDM";
+    }
  #endif /* NO_LOCKING */
  
    hack_uid (si);
  #endif /* NO_LOCKING */
  
    hack_uid (si);
@@ -523,6 +535,8 @@ connect_to_server (saver_info *si, int *argc, char **argv)
    XA_SCREENSAVER_RESPONSE = XInternAtom (si->dpy, "_SCREENSAVER_RESPONSE",
                                          False);
    XA_XSETROOT_ID = XInternAtom (si->dpy, "_XSETROOT_ID", False);
    XA_SCREENSAVER_RESPONSE = XInternAtom (si->dpy, "_SCREENSAVER_RESPONSE",
                                          False);
    XA_XSETROOT_ID = XInternAtom (si->dpy, "_XSETROOT_ID", False);
+  XA_ESETROOT_PMAP_ID = XInternAtom (si->dpy, "ESETROOT_PMAP_ID", False);
+  XA_XROOTPMAP_ID = XInternAtom (si->dpy, "_XROOTPMAP_ID", False);
    XA_ACTIVATE = XInternAtom (si->dpy, "ACTIVATE", False);
    XA_DEACTIVATE = XInternAtom (si->dpy, "DEACTIVATE", False);
    XA_RESTART = XInternAtom (si->dpy, "RESTART", False);
    XA_ACTIVATE = XInternAtom (si->dpy, "ACTIVATE", False);
    XA_DEACTIVATE = XInternAtom (si->dpy, "DEACTIVATE", False);
    XA_RESTART = XInternAtom (si->dpy, "RESTART", False);
@@ -1121,6 +1135,53 @@ main_loop (saver_info *si)
           si->lock_id = 0;
         }
  
           si->lock_id = 0;
         }
  
+      /* It's possible that a race condition could have led to the saver
+         window being unexpectedly still mapped.  This can happen like so:
+
+          - screen is blanked
+          - hack is launched
+          - that hack tries to grab a screen image( it does this by
+            first unmapping the saver window, then remapping it.)
+          - hack unmaps window
+          - hack waits
+          - user becomes active
+          - hack re-maps window (*)
+          - driver kills subprocess
+          - driver unmaps window (**)
+
+         The race is that (*) might have been sent to the server before
+         the client process was killed, but, due to scheduling randomness,
+         might not have been received by the server until after (**).
+         In other words, (*) and (**) might happen out of order, meaning
+         the driver will unmap the window, and then after that, the
+         recently-dead client will re-map it.  This leaves the user
+         locked out (it looks like a desktop, but it's not!)
+
+         To avoid this: after un-blanking the screen, sleep for a second,
+         and then really make sure the window is unmapped.
+       */
+      {
+        int i;
+        XSync (si->dpy, False);
+        sleep (1);
+        for (i = 0; i < si->nscreens; i++)
+          {
+            saver_screen_info *ssi = &si->screens[i];
+            Window w = ssi->screensaver_window;
+            XWindowAttributes xgwa;
+            XGetWindowAttributes (si->dpy, w, &xgwa);
+            if (xgwa.map_state != IsUnmapped)
+              {
+                if (p->verbose_p)
+                  fprintf (stderr,
+                           "%s: %d: client race! emergency unmap 0x%lx.\n",
+                           blurb(), i, (unsigned long) w);
+                XUnmapWindow (si->dpy, w);
+              }
+          }
+        XSync (si->dpy, False);
+      }
+
        if (p->verbose_p)
         fprintf (stderr, "%s: awaiting idleness.\n", blurb());
      }
        if (p->verbose_p)
         fprintf (stderr, "%s: awaiting idleness.\n", blurb());
      }
@@ -1190,6 +1251,7 @@ main (int argc, char **argv)
                               False);
  
    initialize_stderr (si);
                               False);
  
    initialize_stderr (si);
+  handle_signals (si);
  
    make_splash_dialog (si);
  
  
    make_splash_dialog (si);
  
@@ -1281,6 +1343,60 @@ clientmessage_response (saver_info *si, Window w, Bool error,
    free (proto);
  }
  
    free (proto);
  }
  
+
+static void
+bogus_clientmessage_warning (saver_info *si, XEvent *event)
+{
+  char *str = XGetAtomName_safe (si->dpy, event->xclient.message_type);
+  Window w = event->xclient.window;
+  char wdesc[255];
+  int screen = 0;
+
+  *wdesc = 0;
+  for (screen = 0; screen < si->nscreens; screen++)
+    if (w == si->screens[screen].screensaver_window)
+      {
+        strcpy (wdesc, "xscreensaver");
+        break;
+      }
+    else if (w == RootWindow (si->dpy, screen))
+      {
+        strcpy (wdesc, "root");
+        break;
+      }
+
+  if (!*wdesc)
+    {
+      XErrorHandler old_handler;
+      XClassHint hint;
+      XWindowAttributes xgwa;
+      memset (&hint, 0, sizeof(hint));
+      memset (&xgwa, 0, sizeof(xgwa));
+
+      XSync (si->dpy, False);
+      old_handler = XSetErrorHandler (ignore_all_errors_ehandler);
+      XGetClassHint (si->dpy, w, &hint);
+      XGetWindowAttributes (si->dpy, w, &xgwa);
+      XSync (si->dpy, False);
+      XSetErrorHandler (old_handler);
+      XSync (si->dpy, False);
+
+      screen = (xgwa.screen ? screen_number (xgwa.screen) : -1);
+
+      sprintf (wdesc, "%.20s / %.20s",
+               (hint.res_name  ? hint.res_name  : "(null)"),
+               (hint.res_class ? hint.res_class : "(null)"));
+      if (hint.res_name)  XFree (hint.res_name);
+      if (hint.res_class) XFree (hint.res_class);
+    }
+
+  fprintf (stderr, "%s: %d: unrecognised ClientMessage \"%s\" received\n",
+           blurb(), screen, (str ? str : "(null)"));
+  fprintf (stderr, "%s: %d: for window 0x%lx (%s)\n",
+           blurb(), screen, (unsigned long) w, wdesc);
+  if (str) XFree (str);
+}
+
  Bool
  handle_clientmessage (saver_info *si, XEvent *event, Bool until_idle_p)
  {
  Bool
  handle_clientmessage (saver_info *si, XEvent *event, Bool until_idle_p)
  {
@@ -1291,19 +1407,10 @@ handle_clientmessage (saver_info *si, XEvent *event, Bool until_idle_p)
    /* Preferences might affect our handling of client messages. */
    maybe_reload_init_file (si);
  
    /* Preferences might affect our handling of client messages. */
    maybe_reload_init_file (si);
  
-  if (event->xclient.message_type != XA_SCREENSAVER)
-    {
-      char *str;
-      str = XGetAtomName_safe (si->dpy, event->xclient.message_type);
-      fprintf (stderr, "%s: unrecognised ClientMessage type %s received\n",
-              blurb(), (str ? str : "(null)"));
-      if (str) XFree (str);
-      return False;
-    }
-  if (event->xclient.format != 32)
+  if (event->xclient.message_type != XA_SCREENSAVER ||
+      event->xclient.format != 32)
      {
      {
-      fprintf (stderr, "%s: ClientMessage of format %d received, not 32\n",
-              blurb(), event->xclient.format);
+      bogus_clientmessage_warning (si, event);
        return False;
      }
  
        return False;
      }
  
@@ -1476,17 +1583,8 @@ handle_clientmessage (saver_info *si, XEvent *event, Bool until_idle_p)
               XSync (si->dpy, False);
             }
  
               XSync (si->dpy, False);
             }
  
-          fflush (stdout);
-          fflush (stderr);
-          if (real_stdout) fflush (real_stdout);
-          if (real_stderr) fflush (real_stderr);
-         /* make sure error message shows up before exit. */
-         if (real_stderr && stderr != real_stderr)
-           dup2 (fileno(real_stderr), fileno(stderr));
-
-         restart_process (si);
-         exit (1);     /* shouldn't get here; but if restarting didn't work,
-                          make this command be the same as EXIT. */
+         restart_process (si);  /* does not return */
+          abort();
         }
        else
         clientmessage_response (si, window, True,
         }
        else
         clientmessage_response (si, window, True,
diff --git a/driver/xscreensaver.h b/driver/xscreensaver.h

index 3ab14eaaab69e29863c5448c78cd6ed18e1f47cf..41b1d718f5fef7ac20002a8cf0ec52e17f4e4ddc 100644 (file)
--- a/driver/xscreensaver.h
+++ b/driver/xscreensaver.h
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 1993-2001 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1993-2002 Jamie Zawinski <jwz@jwz.org>
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
@@ -270,7 +270,7 @@ struct saver_screen_info {
     server extensions and virtual roots
     ======================================================================= */
  
     server extensions and virtual roots
     ======================================================================= */
  
-extern void restore_real_vroot (saver_info *si);
+extern Bool restore_real_vroot (saver_info *si);
  extern void disable_builtin_screensaver (saver_info *, Bool unblank_screen_p);
  extern Bool ensure_no_screensaver_running (Display *, Screen *);
  
  extern void disable_builtin_screensaver (saver_info *, Bool unblank_screen_p);
  extern Bool ensure_no_screensaver_running (Display *, Screen *);
  
@@ -373,6 +373,7 @@ extern void maybe_reload_init_file (saver_info *);
     subprocs
     ======================================================================= */
  
     subprocs
     ======================================================================= */
  
+extern void handle_signals (saver_info *si);
  extern void block_sigchld (void);
  extern void unblock_sigchld (void);
  extern void hack_environment (saver_info *si);
  extern void block_sigchld (void);
  extern void unblock_sigchld (void);
  extern void hack_environment (saver_info *si);
@@ -386,6 +387,8 @@ extern void emergency_kill_subproc (saver_info *si);
  extern Bool select_visual (saver_screen_info *ssi, const char *visual_name);
  extern void store_saver_status (saver_info *si);
  extern const char *signal_name (int signal);
  extern Bool select_visual (saver_screen_info *ssi, const char *visual_name);
  extern void store_saver_status (saver_info *si);
  extern const char *signal_name (int signal);
+extern void exec_command (const char *shell, const char *command,
+                          int nice_level);
  
  /* =======================================================================
     subprocs diagnostics
  
  /* =======================================================================
     subprocs diagnostics
@@ -415,7 +418,7 @@ extern char *timestring (void);
  extern Bool display_is_on_console_p (saver_info *si);
  extern Visual *get_best_gl_visual (saver_screen_info *ssi);
  
  extern Bool display_is_on_console_p (saver_info *si);
  extern Visual *get_best_gl_visual (saver_screen_info *ssi);
  
-extern Atom XA_VROOT, XA_XSETROOT_ID;
+extern Atom XA_VROOT, XA_XSETROOT_ID, XA_ESETROOT_PMAP_ID, XA_XROOTPMAP_ID;
  extern Atom XA_SCREENSAVER, XA_SCREENSAVER_VERSION, XA_SCREENSAVER_ID;
  extern Atom XA_SCREENSAVER_STATUS, XA_LOCK, XA_BLANK;
  extern Atom XA_DEMO, XA_PREFS;
  extern Atom XA_SCREENSAVER, XA_SCREENSAVER_VERSION, XA_SCREENSAVER_ID;
  extern Atom XA_SCREENSAVER_STATUS, XA_LOCK, XA_BLANK;
  extern Atom XA_DEMO, XA_PREFS;
diff --git a/driver/xscreensaver.man b/driver/xscreensaver.man

index 77b960bb526c30a72637437e3c9def516d4f96be..93d9adf3f4679c42882ca4526940d5fd7261ec40 100644 (file)
--- a/driver/xscreensaver.man
+++ b/driver/xscreensaver.man
@@ -11,7 +11,7 @@
  .if n .sp 1
  .if t .sp .5
  ..
  .if n .sp 1
  .if t .sp .5
  ..
-.TH XScreenSaver 1 "02-Jan-2002 (4.00)" "X Version 11"
+.TH XScreenSaver 1 "24-Feb-2002 (4.01)" "X Version 11"
  .SH NAME
  xscreensaver - extensible screen saver framework, plus locking
  .SH SYNOPSIS
  .SH NAME
  xscreensaver - extensible screen saver framework, plus locking
  .SH SYNOPSIS
@@ -599,6 +599,11 @@ settings has no effect: many laptops have monitor power-saving behavior
  built in at a very low level that is invisible to Unix and X.  On such
  systems, you can typically adjust the power-saving delays only by
  changing settings in the BIOS in some hardware-specific way.
  built in at a very low level that is invisible to Unix and X.  On such
  systems, you can typically adjust the power-saving delays only by
  changing settings in the BIOS in some hardware-specific way.
+
+If DPMS seems not to be working with XFree86, make sure the "DPMS"
+option is set in your \fI/etc/X11/XF86Config\fP file.  See the
+.BR XF86Config (5)
+manual for details.
  .SH USING XDM(1)
  You can run \fIxscreensaver\fP from your 
  .BR xdm (1)
  .SH USING XDM(1)
  You can run \fIxscreensaver\fP from your 
  .BR xdm (1)
@@ -715,23 +720,20 @@ man pages for
  and
  .BR xhost (1).
  .SH USING GDM(1)
  and
  .BR xhost (1).
  .SH USING GDM(1)
-The instructions for using \fIxscreensaver\fP with
-.BR gdm (1)
-are almost the same as for using
-.BR xdm (1),
-above.  There are only two differences, really: instead 
-of editing \fI/usr/lib/X11/xdm/Xsetup\fP, edit the 
-file \fI/etc/X11/gdm/Init/Default\fP; and instead of 
-editing \fI/usr/lib/X11/xdm/Xsession\fP, edit one or all of the 
-files in the \fI/etc/X11/gdm/Sessions/\fP directory.  (Note that
-the default session (\fI/etc/X11/gdm/Sessions/Default\fP) usually
-simply executes \fI/usr/lib/X11/xdm/Xsession\fP, so be careful
-you aren't initializing xscreensaver twice.)
-
-All the same caveats apply for
+Using xscreensaver with
  .BR gdm (1)
  .BR gdm (1)
-as for
-.BR xdm (1).
+is easy, because gdm has a configuration tool.  Just fire up
+.BR gdmconfig (1)
+and on the \fIBackground\fP page, type \fB"xscreensaver -nosplash"\fP into
+the \fIBackground Program\fP field.  That will cause gdm to run xscreensaver
+while nobody is logged in, and kill it as soon as someone does log in.
+(The user will then be responsible for starting xscreensaver on their
+own, if they want.)
+
+In this situation, the \fIxscreensaver\fP process will probably be running
+as user \fIgdm\fP instead of \fIroot\fP.  You can configure the settings
+for this nobody-logged-in state (timeouts, DPMS, etc.) by editing
+the \fI~gdm/.xscreensaver\fP file.
  .SH USING CDE (COMMON DESKTOP ENVIRONMENT)
  The easiest way to use \fIxscreensaver\fP on a system with CDE is to simply
  switch off the built-in CDE screensaver, and use \fIxscreensaver\fP instead;
  .SH USING CDE (COMMON DESKTOP ENVIRONMENT)
  The easiest way to use \fIxscreensaver\fP on a system with CDE is to simply
  switch off the built-in CDE screensaver, and use \fIxscreensaver\fP instead;
@@ -839,6 +841,21 @@ This associates the VUE front panel ``Lock'' icon with the xscreensaver
  lock command.
  .RE
  .PP
  lock command.
  .RE
  .PP
+.SH USING KDE (K DESKTOP ENVIRONMENT)
+I understand that KDE has invented their own wrapper around xscreensaver,
+that is inferior to 
+.BR xscreensaver-demo (1)
+in any number of ways.  I've never actually seen it.  Presumably, there is
+some way to turn off KDE's screensaver framework, and make it so that the
+usual
+.BR xscreensaver-demo (1)
+and
+.BR xscreensaver-command (1)
+mechanisms are used, in a similar way to how one can reconfigure CDE and
+VUE environments, above.
+
+But I don't know how.  If you do, please let me know, and I'll document
+it here.
  .SH ADDING TO MENUS
  The
  .BR xscreensaver-command (1)
  .SH ADDING TO MENUS
  The
  .BR xscreensaver-command (1)
diff --git a/hacks/Makefile.in b/hacks/Makefile.in

index 69d0fe432191b43c00bcefb720df0c21f8e817c9..008ec75d7fba548fede3b025cf92e6201ca91b7e 100644 (file)
--- a/hacks/Makefile.in
+++ b/hacks/Makefile.in
@@ -51,6 +51,7 @@ HACK_PRE      = $(LIBS) $(X_LIBS)
  HACK_POST     = $(X_PRE_LIBS) -lXt -lX11 $(XMU_LIBS) -lXext $(X_EXTRA_LIBS) -lm
  HACK_LIBS      = $(HACK_PRE)            @HACK_LIBS@ $(HACK_POST)
  XPM_LIBS       = $(HACK_PRE) @XPM_LIBS@ @HACK_LIBS@ $(HACK_POST)
  HACK_POST     = $(X_PRE_LIBS) -lXt -lX11 $(XMU_LIBS) -lXext $(X_EXTRA_LIBS) -lm
  HACK_LIBS      = $(HACK_PRE)            @HACK_LIBS@ $(HACK_POST)
  XPM_LIBS       = $(HACK_PRE) @XPM_LIBS@ @HACK_LIBS@ $(HACK_POST)
+JPEG_LIBS      = @JPEG_LIBS@
  XLOCK_LIBS     = $(HACK_LIBS)
  
  UTILS_SRC      = $(srcdir)/../utils
  XLOCK_LIBS     = $(HACK_LIBS)
  
  UTILS_SRC      = $(srcdir)/../utils
@@ -91,7 +92,9 @@ SRCS          = attraction.c blitspin.c bouboule.c braid.c bubbles.c \
                   phosphor.c xmatrix.c petri.c shadebobs.c xsublim.c ccurve.c \
                   blaster.c bumps.c ripples.c xteevee.c xspirograph.c \
                   nerverot.c xrayswarm.c hyperball.c zoom.c whirlwindwarp.c \
                   phosphor.c xmatrix.c petri.c shadebobs.c xsublim.c ccurve.c \
                   blaster.c bumps.c ripples.c xteevee.c xspirograph.c \
                   nerverot.c xrayswarm.c hyperball.c zoom.c whirlwindwarp.c \
-                 rotzoomer.c whirlygig.c speedmine.c vermiculate.c
+                 rotzoomer.c whirlygig.c speedmine.c vermiculate.c \
+                 xpm-pixmap.c webcollage-helper.c twang.c apollonian.c \
+                 euler2d.c juggle.c polyominoes.c thornbird.c
  SCRIPTS                = vidwhacker webcollage
  
  OBJS           = attraction.o blitspin.o bouboule.o braid.o bubbles.o \
  SCRIPTS                = vidwhacker webcollage
  
  OBJS           = attraction.o blitspin.o bouboule.o braid.o bubbles.o \
@@ -112,7 +115,9 @@ OBJS                = attraction.o blitspin.o bouboule.o braid.o bubbles.o \
                   phosphor.o xmatrix.o petri.o shadebobs.o xsublim.o ccurve.o \
                   blaster.o bumps.o ripples.o xteevee.o xspirograph.o \
                   nerverot.o xrayswarm.o hyperball.o zoom.o whirlwindwarp.o \
                   phosphor.o xmatrix.o petri.o shadebobs.o xsublim.o ccurve.o \
                   blaster.o bumps.o ripples.o xteevee.o xspirograph.o \
                   nerverot.o xrayswarm.o hyperball.o zoom.o whirlwindwarp.o \
-                 rotzoomer.o whirlygig.o speedmine.o vermiculate.o
+                 rotzoomer.o whirlygig.o speedmine.o vermiculate.o \
+                 xpm-pixmap.o webcollage-helper.o twang.o apollonian.o \
+                 euler2d.o juggle.o polyominoes.o thornbird.o
  
  NEXES          = attraction blitspin bouboule braid bubbles decayscreen deco \
                   drift flag flame forest vines galaxy grav greynetic halo \
  
  NEXES          = attraction blitspin bouboule braid bubbles decayscreen deco \
                   drift flag flame forest vines galaxy grav greynetic halo \
@@ -127,8 +132,11 @@ NEXES              = attraction blitspin bouboule braid bubbles decayscreen deco \
                   wander spotlight critical phosphor xmatrix petri shadebobs \
                   xsublim ccurve blaster bumps ripples xteevee xspirograph \
                   nerverot xrayswarm hyperball zoom whirlwindwarp rotzoomer \
                   wander spotlight critical phosphor xmatrix petri shadebobs \
                   xsublim ccurve blaster bumps ripples xteevee xspirograph \
                   nerverot xrayswarm hyperball zoom whirlwindwarp rotzoomer \
-                 whirlygig speedmine vermiculate
+                 whirlygig speedmine vermiculate twang apollonian euler2d \
+                 juggle polyominoes thornbird \
+                 @JPEG_EXES@
  SEXES          = sonar
  SEXES          = sonar
+JPEG_EXES      = webcollage-helper
  EXES           = $(NEXES) $(SEXES)
  
  HACK_OBJS_1    = $(UTILS_BIN)/resources.o $(UTILS_BIN)/visual.o \
  EXES           = $(NEXES) $(SEXES)
  
  HACK_OBJS_1    = $(UTILS_BIN)/resources.o $(UTILS_BIN)/visual.o \
@@ -141,7 +149,7 @@ XSHM_OBJS   = $(UTILS_BIN)/xshm.o
  XDBE_OBJS      = $(UTILS_BIN)/xdbe.o
  
  HDRS           = bubbles.h screenhack.h xlockmore.h xlockmoreI.h automata.h \
  XDBE_OBJS      = $(UTILS_BIN)/xdbe.o
  
  HDRS           = bubbles.h screenhack.h xlockmore.h xlockmoreI.h automata.h \
-                 bumps.h
+                 bumps.h xpm-pixmap.h
  MEN            = attraction.man blitspin.man bouboule.man braid.man \
                   bubbles.man decayscreen.man deco.man drift.man flag.man \
                   flame.man forest.man vines.man galaxy.man grav.man \
  MEN            = attraction.man blitspin.man bouboule.man braid.man \
                   bubbles.man decayscreen.man deco.man drift.man flag.man \
                   flame.man forest.man vines.man galaxy.man grav.man \
@@ -157,7 +165,8 @@ MEN         = attraction.man blitspin.man bouboule.man braid.man \
                   vidwhacker.man webcollage.man xsublim.man distort.man \
                   phosphor.man xmatrix.man xteevee.man xflame.man petri.man \
                   nerverot.man zoom.man whirlwindwarp.man hyperball.man \
                   vidwhacker.man webcollage.man xsublim.man distort.man \
                   phosphor.man xmatrix.man xteevee.man xflame.man petri.man \
                   nerverot.man zoom.man whirlwindwarp.man hyperball.man \
-                 rotzoomer.man whirlygig.man speedmine.man penetrate.man
+                 rotzoomer.man whirlygig.man speedmine.man penetrate.man \
+                 xspirograph.man twang.man
  STAR           = *
  EXTRAS         = README Makefile.in xlock_23.h .gdbinit \
                   config/README \
  STAR           = *
  EXTRAS         = README Makefile.in xlock_23.h .gdbinit \
                   config/README \
@@ -269,11 +278,11 @@ install-xml:
         @if [ ! -d $(install_prefix)$(HACK_CONF_DIR) ]; then            \
           $(INSTALL_DIRS) $(install_prefix)$(HACK_CONF_DIR) ;           \
          fi ;                                                           \
         @if [ ! -d $(install_prefix)$(HACK_CONF_DIR) ]; then            \
           $(INSTALL_DIRS) $(install_prefix)$(HACK_CONF_DIR) ;           \
          fi ;                                                           \
-        cd $(srcdir)/config/ ;                                         \
-        for file in README $(STAR).xml ; do                            \
-          echo $(INSTALL_DATA) $$file                                  \
+        files=`cd $(srcdir)/config/ ; echo README $(STAR).xml` ;       \
+        for file in $$files ; do                                       \
+          echo $(INSTALL_DATA) config/$$file                           \
             $(install_prefix)$(HACK_CONF_DIR)/$$file ;                  \
             $(install_prefix)$(HACK_CONF_DIR)/$$file ;                  \
-         $(INSTALL_DATA) $$file                                        \
+         $(INSTALL_DATA) config/$$file                                 \
             $(install_prefix)$(HACK_CONF_DIR)/$$file ;                  \
         done
  
             $(install_prefix)$(HACK_CONF_DIR)/$$file ;                  \
         done
  
@@ -427,6 +436,7 @@ screenhack-xlock.o: screenhack.c
         -DXLOCKMORE $(srcdir)/screenhack.c
  
  # Some abbreviations to keep the lines short...
         -DXLOCKMORE $(srcdir)/screenhack.c
  
  # Some abbreviations to keep the lines short...
+XPM            = xpm-pixmap.o
  ALP            = $(UTILS_BIN)/alpha.o
  HSV            = $(UTILS_BIN)/hsv.o
  SPL            = $(UTILS_BIN)/spline.o
  ALP            = $(UTILS_BIN)/alpha.o
  HSV            = $(UTILS_BIN)/hsv.o
  SPL            = $(UTILS_BIN)/spline.o
@@ -454,11 +464,11 @@ xscreensaver-sgigl: xscreensaver-sgigl.c
  attraction:    attraction.o    $(HACK_OBJS) $(COL) $(SPL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(SPL) $(HACK_LIBS)
  
  attraction:    attraction.o    $(HACK_OBJS) $(COL) $(SPL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(SPL) $(HACK_LIBS)
  
-blitspin:      blitspin.o      $(HACK_OBJS) $(GRAB)
-       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(XPM_LIBS)
+blitspin:      blitspin.o      $(HACK_OBJS) $(GRAB) $(XPM)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(XPM) $(XPM_LIBS)
  
  
-bubbles:       bubbles.o       $(HACK_OBJS) bubbles-default.o 
-       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) bubbles-default.o $(XPM_LIBS)
+bubbles:       bubbles.o       $(HACK_OBJS) bubbles-default.o $(XPM)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) bubbles-default.o $(XPM) $(XPM_LIBS)
  
  decayscreen:   decayscreen.o   $(HACK_OBJS) $(GRAB)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(HACK_LIBS)
  
  decayscreen:   decayscreen.o   $(HACK_OBJS) $(GRAB)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(HACK_LIBS)
@@ -499,8 +509,8 @@ moire:              moire.o         $(HACK_OBJS) $(COL) $(SHM)
  moire2:                moire2.o        $(HACK_OBJS) $(COL) $(DBE)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(DBE) $(HACK_LIBS)
  
  moire2:                moire2.o        $(HACK_OBJS) $(COL) $(DBE)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(DBE) $(HACK_LIBS)
  
-noseguy:       noseguy.o       $(HACK_OBJS)
-       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(XPM_LIBS)
+noseguy:       noseguy.o       $(HACK_OBJS) $(XPM)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(XPM) $(XPM_LIBS)
  
  pedal:         pedal.o         $(HACK_OBJS) $(HSV)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(HSV) $(HACK_LIBS)
  
  pedal:         pedal.o         $(HACK_OBJS) $(HSV)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(HSV) $(HACK_LIBS)
@@ -556,8 +566,8 @@ interference:  interference.o       $(HACK_OBJS) $(COL) $(SHM) $(DBE)
  truchet:        truchet.o      $(HACK_OBJS) $(COL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(HACK_LIBS)
  
  truchet:        truchet.o      $(HACK_OBJS) $(COL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(HACK_LIBS)
  
-bsod:          bsod.o          $(HACK_OBJS) $(GRAB)
-       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(HACK_LIBS) $(XPM_LIBS)
+bsod:          bsod.o          $(HACK_OBJS) $(GRAB) $(XPM)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(XPM) $(XPM_LIBS)
  
  distort:       distort.o       $(HACK_OBJS) $(GRAB) $(SHM)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(SHM) $(HACK_LIBS)
  
  distort:       distort.o       $(HACK_OBJS) $(GRAB) $(SHM)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(SHM) $(HACK_LIBS)
@@ -583,8 +593,8 @@ compass:    compass.o       $(HACK_OBJS) $(DBE)
  squiral:       squiral.o       $(HACK_OBJS) $(COL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(HACK_LIBS)
  
  squiral:       squiral.o       $(HACK_OBJS) $(COL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(HACK_LIBS)
  
-xflame:                xflame.o        $(HACK_OBJS) $(SHM)
-       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(SHM) $(HACK_LIBS) $(XPM_LIBS)
+xflame:                xflame.o        $(HACK_OBJS) $(SHM) $(XPM)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(SHM) $(XPM) $(XPM_LIBS)
  
  wander:                wander.o        $(HACK_OBJS) $(COL) $(ERASE)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(ERASE) $(HACK_LIBS)
  
  wander:                wander.o        $(HACK_OBJS) $(COL) $(ERASE)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(ERASE) $(HACK_LIBS)
@@ -598,8 +608,8 @@ critical:   critical.o      $(HACK_OBJS) $(COL) $(ERASE)
  phosphor:      phosphor.o      $(HACK_OBJS) $(COL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(HACK_LIBS)
  
  phosphor:      phosphor.o      $(HACK_OBJS) $(COL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(HACK_LIBS)
  
-xmatrix:       xmatrix.o       $(HACK_OBJS)
-       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(HACK_LIBS) $(XPM_LIBS)
+xmatrix:       xmatrix.o       $(HACK_OBJS) $(XPM)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(XPM) $(XPM_LIBS)
  
  petri:         petri.o         $(HACK_OBJS) $(COL) $(SPL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(SPL) $(HACK_LIBS)
  
  petri:         petri.o         $(HACK_OBJS) $(COL) $(SPL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(SPL) $(HACK_LIBS)
@@ -652,6 +662,9 @@ speedmine:  speedmine.o     $(HACK_OBJS) $(COL)
  vermiculate:   vermiculate.o   $(HACK_OBJS) $(COL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(HACK_LIBS)
  
  vermiculate:   vermiculate.o   $(HACK_OBJS) $(COL)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(COL) $(HACK_LIBS)
  
+twang:         twang.o         $(HACK_OBJS) $(GRAB) $(SHM)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB) $(SHM) $(HACK_LIBS)
+
  
  # The rules for those hacks which follow the `xlockmore' API.
  #
  
  # The rules for those hacks which follow the `xlockmore' API.
  #
@@ -665,8 +678,8 @@ braid:              braid.o         $(XLOCK_OBJS) $(ERASE)
  drift:         drift.o         $(XLOCK_OBJS) $(ERASE)
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(ERASE) $(HACK_LIBS)
  
  drift:         drift.o         $(XLOCK_OBJS) $(ERASE)
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(ERASE) $(HACK_LIBS)
  
-flag:          flag.o          $(XLOCK_OBJS)
-       $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(XPM_LIBS)
+flag:          flag.o          $(XLOCK_OBJS) $(XPM)
+       $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(XPM) $(XPM_LIBS)
  
  forest:                forest.o        $(XLOCK_OBJS) $(ERASE)
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(ERASE) $(HACK_LIBS)
  
  forest:                forest.o        $(XLOCK_OBJS) $(ERASE)
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(ERASE) $(HACK_LIBS)
@@ -749,19 +762,36 @@ loop:             loop.o          $(XLOCK_OBJS)
  flow:          flow.o          $(XLOCK_OBJS)
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(HACK_LIBS)
  
  flow:          flow.o          $(XLOCK_OBJS)
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(HACK_LIBS)
  
-discrete:      discrete.o              $(XLOCK_OBJS) $(ERASE)
+discrete:      discrete.o      $(XLOCK_OBJS) $(ERASE)
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(ERASE) $(HACK_LIBS)
  
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(ERASE) $(HACK_LIBS)
  
-crystal:       crystal.o               $(XLOCK_OBJS)
+crystal:       crystal.o       $(XLOCK_OBJS)
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(HACK_LIBS)
  
         $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(HACK_LIBS)
  
+apollonian:    apollonian.o    $(XLOCK_OBJS) $(ERASE)
+       $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(ERASE) $(HACK_LIBS)
+
+euler2d:       euler2d.o       $(XLOCK_OBJS)
+       $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(HACK_LIBS)
  
  
+juggle:                juggle.o        $(XLOCK_OBJS)
+       $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(HACK_LIBS)
  
  
-# This one is not like the others.
+polyominoes:   polyominoes.o   $(XLOCK_OBJS) $(ERASE)
+       $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(ERASE) $(HACK_LIBS)
+
+thornbird:     thornbird.o     $(XLOCK_OBJS)
+       $(CC_HACK) -o $@ $@.o   $(XLOCK_OBJS) $(HACK_LIBS)
+
+
+# These are not like the others.
  #
  xsublim:       xsublim.o       $(HACK_OBJS_1)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS_1) $(HACK_LIBS)
  
  #
  xsublim:       xsublim.o       $(HACK_OBJS_1)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS_1) $(HACK_LIBS)
  
+webcollage-helper: webcollage-helper.o
+       $(CC_HACK) -o $@ $@.o   $(XPM_LIBS) $(JPEG_LIBS)
+
  
  ##############################################################################
  #
  
  ##############################################################################
  #
@@ -772,6 +802,7 @@ attraction.o: $(srcdir)/screenhack.h
  attraction.o: ../config.h
  blitspin.o: $(srcdir)/screenhack.h
  blitspin.o: ../config.h
  attraction.o: ../config.h
  blitspin.o: $(srcdir)/screenhack.h
  blitspin.o: ../config.h
+blitspin.o: $(srcdir)/xpm-pixmap.h
  blitspin.o: $(srcdir)/images/som.xbm
  bouboule.o: $(srcdir)/xlockmore.h
  bouboule.o: ../config.h
  blitspin.o: $(srcdir)/images/som.xbm
  bouboule.o: $(srcdir)/xlockmore.h
  bouboule.o: ../config.h
@@ -784,6 +815,7 @@ braid.o: $(srcdir)/screenhack.h
  bubbles.o: $(srcdir)/screenhack.h
  bubbles.o: ../config.h
  bubbles.o: $(srcdir)/bubbles.h
  bubbles.o: $(srcdir)/screenhack.h
  bubbles.o: ../config.h
  bubbles.o: $(srcdir)/bubbles.h
+bubbles.o: $(srcdir)/xpm-pixmap.h
  bubbles-default.o: ../config.h
  bubbles-default.o: $(srcdir)/bubbles.h
  bubbles-default.o: $(srcdir)/images/bubbles/blood1.xpm
  bubbles-default.o: ../config.h
  bubbles-default.o: $(srcdir)/bubbles.h
  bubbles-default.o: $(srcdir)/images/bubbles/blood1.xpm
@@ -842,11 +874,12 @@ flag.o: $(srcdir)/xlockmore.h
  flag.o: ../config.h
  flag.o: $(srcdir)/xlockmoreI.h
  flag.o: $(srcdir)/screenhack.h
  flag.o: ../config.h
  flag.o: $(srcdir)/xlockmoreI.h
  flag.o: $(srcdir)/screenhack.h
+flag.o: $(srcdir)/xpm-pixmap.h
  flag.o: $(srcdir)/images/bob.xbm
  flame.o: $(srcdir)/screenhack.h
  flame.o: ../config.h
  flag.o: $(srcdir)/images/bob.xbm
  flame.o: $(srcdir)/screenhack.h
  flame.o: ../config.h
-forest.o: ../config.h
  forest.o: $(srcdir)/xlockmore.h
  forest.o: $(srcdir)/xlockmore.h
+forest.o: ../config.h
  forest.o: $(srcdir)/xlockmoreI.h
  forest.o: $(srcdir)/screenhack.h
  vines.o: $(srcdir)/xlockmore.h
  forest.o: $(srcdir)/xlockmoreI.h
  forest.o: $(srcdir)/screenhack.h
  vines.o: $(srcdir)/xlockmore.h
@@ -905,6 +938,7 @@ moire.o: $(srcdir)/screenhack.h
  moire.o: ../config.h
  noseguy.o: $(srcdir)/screenhack.h
  noseguy.o: ../config.h
  moire.o: ../config.h
  noseguy.o: $(srcdir)/screenhack.h
  noseguy.o: ../config.h
+noseguy.o: $(srcdir)/xpm-pixmap.h
  noseguy.o: $(srcdir)/images/noseguy/nose-f1.xpm
  noseguy.o: $(srcdir)/images/noseguy/nose-f2.xpm
  noseguy.o: $(srcdir)/images/noseguy/nose-f3.xpm
  noseguy.o: $(srcdir)/images/noseguy/nose-f1.xpm
  noseguy.o: $(srcdir)/images/noseguy/nose-f2.xpm
  noseguy.o: $(srcdir)/images/noseguy/nose-f3.xpm
@@ -1055,6 +1089,7 @@ truchet.o: $(srcdir)/screenhack.h
  truchet.o: ../config.h
  bsod.o: $(srcdir)/screenhack.h
  bsod.o: ../config.h
  truchet.o: ../config.h
  bsod.o: $(srcdir)/screenhack.h
  bsod.o: ../config.h
+bsod.o: $(srcdir)/xpm-pixmap.h
  bsod.o: $(srcdir)/images/amiga.xpm
  bsod.o: $(srcdir)/images/atari.xbm
  bsod.o: $(srcdir)/images/mac.xbm
  bsod.o: $(srcdir)/images/amiga.xpm
  bsod.o: $(srcdir)/images/atari.xbm
  bsod.o: $(srcdir)/images/mac.xbm
@@ -1094,6 +1129,7 @@ squiral.o: $(srcdir)/screenhack.h
  squiral.o: ../config.h
  xflame.o: $(srcdir)/screenhack.h
  xflame.o: ../config.h
  squiral.o: ../config.h
  xflame.o: $(srcdir)/screenhack.h
  xflame.o: ../config.h
+xflame.o: $(srcdir)/xpm-pixmap.h
  xflame.o: $(srcdir)/images/bob.xbm
  wander.o: $(srcdir)/screenhack.h
  wander.o: ../config.h
  xflame.o: $(srcdir)/images/bob.xbm
  wander.o: $(srcdir)/screenhack.h
  wander.o: ../config.h
@@ -1105,6 +1141,7 @@ phosphor.o: $(srcdir)/screenhack.h
  phosphor.o: ../config.h
  xmatrix.o: $(srcdir)/screenhack.h
  xmatrix.o: ../config.h
  phosphor.o: ../config.h
  xmatrix.o: $(srcdir)/screenhack.h
  xmatrix.o: ../config.h
+xmatrix.o: $(srcdir)/xpm-pixmap.h
  xmatrix.o: $(srcdir)/images/matrix0.xpm
  xmatrix.o: $(srcdir)/images/matrix1.xpm
  xmatrix.o: $(srcdir)/images/matrix2.xpm
  xmatrix.o: $(srcdir)/images/matrix0.xpm
  xmatrix.o: $(srcdir)/images/matrix1.xpm
  xmatrix.o: $(srcdir)/images/matrix2.xpm
@@ -1152,4 +1189,28 @@ speedmine.o: $(srcdir)/screenhack.h
  speedmine.o: ../config.h
  vermiculate.o: $(srcdir)/screenhack.h
  vermiculate.o: ../config.h
  speedmine.o: ../config.h
  vermiculate.o: $(srcdir)/screenhack.h
  vermiculate.o: ../config.h
+xpm-pixmap.o: ../config.h
+webcollage-helper.o: ../config.h
+twang.o: $(srcdir)/screenhack.h
+twang.o: ../config.h
+apollonian.o: $(srcdir)/xlockmore.h
+apollonian.o: ../config.h
+apollonian.o: $(srcdir)/xlockmoreI.h
+apollonian.o: $(srcdir)/screenhack.h
+euler2d.o: $(srcdir)/xlockmore.h
+euler2d.o: ../config.h
+euler2d.o: $(srcdir)/xlockmoreI.h
+euler2d.o: $(srcdir)/screenhack.h
+juggle.o: $(srcdir)/xlockmore.h
+juggle.o: ../config.h
+juggle.o: $(srcdir)/xlockmoreI.h
+juggle.o: $(srcdir)/screenhack.h
+polyominoes.o: $(srcdir)/xlockmore.h
+polyominoes.o: ../config.h
+polyominoes.o: $(srcdir)/xlockmoreI.h
+polyominoes.o: $(srcdir)/screenhack.h
+thornbird.o: $(srcdir)/xlockmore.h
+thornbird.o: ../config.h
+thornbird.o: $(srcdir)/xlockmoreI.h
+thornbird.o: $(srcdir)/screenhack.h
  
  
diff --git a/hacks/ant.c b/hacks/ant.c

index db76bfd3cead828c6ab22d9d7abaf6d6a87acfc1..f41f19dee18561d93799b5d2d03aaee52a85f7b7 100644 (file)
--- a/hacks/ant.c
+++ b/hacks/ant.c
@@ -5,7 +5,7 @@
   */
  
  #if !defined( lint ) && !defined( SABER )
   */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)ant.c        4.11 98/06/18 xlockmore";
+static const char sccsid[] = "@(#)ant.c        5.00 2000/11/01 xlockmore";
  
  #endif
  
  
  #endif
  
@@ -25,25 +25,26 @@ static const char sccsid[] = "@(#)ant.c     4.11 98/06/18 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: Compatible with xscreensaver
- * 16-Apr-97: -neighbors 3 and 8 added
- * 01-Jan-97: Updated ant.c to handle more kinds of ants.  Thanks to
- *            J Austin David <Austin.David@tlogic.com>.  Check it out in
- *            java at http://havoc.gtf.gatech.edu/austin  He thought up the
- *            new Ladder ant.
- * 04-Apr-96: -neighbors 6 runtime-time option added for hexagonal ants
- *            (bees), coded from an idea of Jim Propp's in Science News,
- *            Oct 28, 1995 VOL. 148 page 287
- * 20-Sep-95: Memory leak in ant fixed.  Now random colors.
- * 05-Sep-95: Coded from A.K. Dewdney's "Computer Recreations", Scientific
- *            American Magazine" Sep 1989 pp 180-183, Mar 1990 p 121
- *            Also used Ian Stewart's Mathematical Recreations, Scientific
- *            American Jul 1994 pp 104-107
- *            also used demon.c and life.c as a guide.
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 16-Apr-1997: -neighbors 3 and 8 added
+ * 01-Jan-1997: Updated ant.c to handle more kinds of ants.  Thanks to
+ *              J Austin David <Austin.David@tlogic.com>.  Check it out in
+ *              java at http://havoc.gtf.gatech.edu/austin  He thought up the
+ *              new Ladder ant.
+ * 04-Apr-1996: -neighbors 6 runtime-time option added for hexagonal ants
+ *              (bees), coded from an idea of Jim Propp's in Science News,
+ *              Oct 28, 1995 VOL. 148 page 287
+ * 20-Sep-1995: Memory leak in ant fixed.  Now random colors.
+ * 05-Sep-1995: Coded from A.K. Dewdney's "Computer Recreations", Scientific
+ *              American Magazine" Sep 1989 pp 180-183, Mar 1990 p 121
+ *              Also used Ian Stewart's Mathematical Recreations, Scientific
+ *              American Jul 1994 pp 104-107
+ *              also used demon.c and life.c as a guide.
   */
  
  /*-
   */
  
  /*-
-  Species Grid     Number of Neigbors
+  Species Grid     Number of Neighbors
    ------- ----     ------------------
    Ants    Square   4 (or 8)
    Bees    Hexagon  6
    ------- ----     ------------------
    Ants    Square   4 (or 8)
    Bees    Hexagon  6
@@ -53,85 +54,86 @@ static const char sccsid[] = "@(#)ant.c     4.11 98/06/18 xlockmore";
  */
  
  #ifdef STANDALONE
  */
  
  #ifdef STANDALONE
-# define PROGCLASS "Ant"
-# define HACK_INIT init_ant
-# define HACK_DRAW draw_ant
-# define ant_opts xlockmore_opts
-# define DEFAULTS      "*delay:   1000 \n"             \
-                                       "*count:  -3 \n"                \
-                                       "*cycles:  40000 \n"    \
-                                       "*size:   -12 \n"               \
-                                       "*ncolors: 64 \n"               \
-                                       "*neighbors: 0 \n"              \
-                                       "*sharpturn: False \n"
-# include "xlockmore.h"                /* in xscreensaver distribution */
-# include "erase.h"
+#define MODE_ant
+#define PROGCLASS "Ant"
+#define HACK_INIT init_ant
+#define HACK_DRAW draw_ant
+#define ant_opts xlockmore_opts
+#define DEFAULTS "*delay: 1000 \n" \
+ "*count: -3 \n" \
+ "*cycles: 40000 \n" \
+ "*size: -12 \n" \
+ "*ncolors: 64 \n" \
+ "*neighbors: 0 \n" \
+ "*sharpturn: False \n"
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#include "erase.h"
  #else /* STANDALONE */
  #else /* STANDALONE */
-# include "xlock.h"            /* in xlockmore distribution */
+#include "xlock.h"             /* in xlockmore distribution */
  #endif /* STANDALONE */
  #endif /* STANDALONE */
-
  #include "automata.h"
  
  #include "automata.h"
  
+#ifdef MODE_ant
+
  /*-
  /*-
- * neighbors of 0 randomizes it between 3, 4 and 6.
- * 8, 9 12 are available also but not recommended.
+ * neighbors of 0 randomizes it for 3, 4, 6, 8, 12 (last 2 are less likely)
   */
  
   */
  
-#ifdef STANDALONE
-static int neighbors;
-#else
-extern int  neighbors;
-#endif /* !STANDALONE */
-
+#define DEF_NEIGHBORS  "0"      /* choose random value */
  #define DEF_TRUCHET  "False"
  #define DEF_TRUCHET  "False"
+#define DEF_EYES  "False"
  #define DEF_SHARPTURN  "False"
  #define DEF_SHARPTURN  "False"
-#define DEF_NEIGHBORS  "0"
  
  
+static int  neighbors;
  static Bool truchet;
  static Bool truchet;
+static Bool eyes;
  static Bool sharpturn;
  
  static XrmOptionDescRec opts[] =
  {
  static Bool sharpturn;
  
  static XrmOptionDescRec opts[] =
  {
-       {"-truchet", ".ant.truchet", XrmoptionNoArg, (caddr_t) "on"},
-       {"+truchet", ".ant.truchet", XrmoptionNoArg, (caddr_t) "off"},
-       {"-sharpturn", ".ant.sharpturn", XrmoptionNoArg, (caddr_t) "on"},
-       {"+sharpturn", ".ant.sharpturn", XrmoptionNoArg, (caddr_t) "off"},
-
-#ifdef STANDALONE
+       {(char *) "-neighbors", (char *) ".ant.neighbors", XrmoptionSepArg, (caddr_t) NULL},
+       {(char *) "-truchet", (char *) ".ant.truchet", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+truchet", (char *) ".ant.truchet", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-eyes", (char *) ".ant.eyes", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+eyes", (char *) ".ant.eyes", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-sharpturn", (char *) ".ant.sharpturn", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+sharpturn", (char *) ".ant.sharpturn", XrmoptionNoArg, (caddr_t) "off"},
         {"-neighbors", ".ant.neighbors", XrmoptionSepArg, (caddr_t) 0},
         {"+neighbors", ".ant.neighbors", XrmoptionSepArg, (caddr_t) 0}
         {"-neighbors", ".ant.neighbors", XrmoptionSepArg, (caddr_t) 0},
         {"+neighbors", ".ant.neighbors", XrmoptionSepArg, (caddr_t) 0}
-#endif /* STANDALONE */
-
  };
  static argtype vars[] =
  {
  };
  static argtype vars[] =
  {
-       {(caddr_t *) & truchet, "truchet", "Truchet", DEF_TRUCHET, t_Bool},
-   {(caddr_t *) & sharpturn, "sharpturn", "SharpTurn", DEF_SHARPTURN, t_Bool},
-#ifdef STANDALONE
+       {(caddr_t *) & neighbors, (char *) "neighbors", (char *) "Neighbors", (char *) DEF_NEIGHBORS, t_Int},
+       {(caddr_t *) & truchet, (char *) "truchet", (char *) "Truchet", (char *) DEF_TRUCHET, t_Bool},
+       {(caddr_t *) & eyes, (char *) "eyes", (char *) "Eyes", (char *) DEF_EYES, t_Bool},
+   {(caddr_t *) & sharpturn, (char *) "sharpturn", (char *) "SharpTurn", (char *) DEF_SHARPTURN, t_Bool},
         {(caddr_t *) & neighbors, "neighbors", "Neighbors", DEF_NEIGHBORS, t_Int}
         {(caddr_t *) & neighbors, "neighbors", "Neighbors", DEF_NEIGHBORS, t_Int}
-#endif /* STANDALONE */
  };
  static OptionStruct desc[] =
  {
  };
  static OptionStruct desc[] =
  {
-       {"-/+truchet", "turn on/off Truchet lines"},
-       {"-/+sharpturn", "turn on/off sharp turns (6 or 12 neighbors only)"}
+       {(char *) "-neighbors num", (char *) "squares 4 or 8, hexagons 6, triangles 3 or 12"},
+       {(char *) "-/+truchet", (char *) "turn on/off Truchet lines"},
+       {(char *) "-/+eyes", (char *) "turn on/off eyes"},
+       {(char *) "-/+sharpturn", (char *) "turn on/off sharp turns (6, 8 or 12 neighbors only)"}
  };
  
  ModeSpecOpt ant_opts =
  {sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
  
  #ifdef USE_MODULES
  };
  
  ModeSpecOpt ant_opts =
  {sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
  
  #ifdef USE_MODULES
-ModStruct   ant_description =
-{"ant", "init_ant", "draw_ant", "release_ant",
- "refresh_ant", "init_ant", NULL, &ant_opts,
+const ModStruct ant_description =
+{"ant",
+ "init_ant", "draw_ant", "release_ant",
+ "refresh_ant", "init_ant", (char *) NULL, &ant_opts,
   1000, -3, 40000, -12, 64, 1.0, "",
   "Shows Langton's and Turk's generalized ants", 0, NULL};
  
  #endif
  
  #define ANTBITS(n,w,h)\
   1000, -3, 40000, -12, 64, 1.0, "",
   "Shows Langton's and Turk's generalized ants", 0, NULL};
  
  #endif
  
  #define ANTBITS(n,w,h)\
-  ap->pixmaps[ap->init_bits++]=\
-  XCreatePixmapFromBitmapData(display,window,(char *)n,w,h,1,0,1)
+  if ((ap->pixmaps[ap->init_bits]=\
+  XCreatePixmapFromBitmapData(display,window,(char *)n,w,h,1,0,1))==None){\
+  free_ant(display,ap); return;} else {ap->init_bits++;}
  
  /* If you change the table you may have to change the following 2 constants */
  #define STATES 2
  
  /* If you change the table you may have to change the following 2 constants */
  #define STATES 2
@@ -142,7 +144,6 @@ ModStruct   ant_description =
  #define MINRANDOMSIZE 5
  #define ANGLES 360
  
  #define MINRANDOMSIZE 5
  #define ANGLES 360
  
-
  typedef struct {
         unsigned char color;
         short       direction;
  typedef struct {
         unsigned char color;
         short       direction;
@@ -161,13 +162,15 @@ typedef struct {
         int         generation;
         int         xs, ys;
         int         xb, yb;
         int         generation;
         int         xs, ys;
         int         xb, yb;
+       int         init_dir;
         int         nrows, ncols;
         int         width, height;
         unsigned char ncolors, nstates;
         int         n;
         int         redrawing, redrawpos;
         int         truchet;    /* Only for Turk modes */
         int         nrows, ncols;
         int         width, height;
         unsigned char ncolors, nstates;
         int         n;
         int         redrawing, redrawpos;
         int         truchet;    /* Only for Turk modes */
-       int         sharpturn;  /* Only for even neighbors > 4 (i.e. 6 and 12) */
+       int         eyes;
+       int         sharpturn;
         statestruct machine[NUMSTIPPLES * STATES];
         unsigned char *tape;
         unsigned char *truchet_state;
         statestruct machine[NUMSTIPPLES * STATES];
         unsigned char *tape;
         unsigned char *truchet_state;
@@ -183,13 +186,14 @@ typedef struct {
  } antfarmstruct;
  
  static char plots[] =
  } antfarmstruct;
  
  static char plots[] =
-{3,
-#if 1                          /* Without this... this mode is misnamed... */
- 4,
+{3, 4, 6, 8,
+#ifdef NUMBER_9
+ 9,
  #endif
  #endif
- 6};                           /* Neighborhoods, 8 just makes a mess */
+ 12};
  
  
-#define NEIGHBORKINDS (long) (sizeof plots / sizeof *plots)
+#define NEIGHBORKINDS ((long) (sizeof plots / sizeof *plots))
+#define GOODNEIGHBORKINDS 3
  
  /* Relative ant moves */
  #define FS 0                   /* Step */
  
  /* Relative ant moves */
  #define FS 0                   /* Step */
@@ -205,7 +209,7 @@ static char plots[] =
  #define STHL 10                        /* Step then turn hard left */
  #define STL 11                 /* Step then turn left */
  
  #define STHL 10                        /* Step then turn hard left */
  #define STL 11                 /* Step then turn left */
  
-static antfarmstruct *antfarms = NULL;
+static antfarmstruct *antfarms = (antfarmstruct *) NULL;
  
  /* LANGTON'S ANT (10) Chaotic after 500, Builder after 10,000 (104p) */
  /* TURK'S 100 ANT Always chaotic?, tested past 150,000,000 */
  
  /* LANGTON'S ANT (10) Chaotic after 500, Builder after 10,000 (104p) */
  /* TURK'S 100 ANT Always chaotic?, tested past 150,000,000 */
@@ -484,8 +488,8 @@ fillcell(ModeInfo * mi, GC gc, int col, int row)
                 ap->shape.hexagon[0].x = ap->xb + ccol * ap->xs;
                 ap->shape.hexagon[0].y = ap->yb + crow * ap->ys;
                 if (ap->xs == 1 && ap->ys == 1)
                 ap->shape.hexagon[0].x = ap->xb + ccol * ap->xs;
                 ap->shape.hexagon[0].y = ap->yb + crow * ap->ys;
                 if (ap->xs == 1 && ap->ys == 1)
-                       XFillRectangle(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
-                       ap->shape.hexagon[0].x, ap->shape.hexagon[0].y, 1, 1);
+                       XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
+                       ap->shape.hexagon[0].x, ap->shape.hexagon[0].y);
                 else
                         XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                             ap->shape.hexagon, 6, Convex, CoordModePrevious);
                 else
                         XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                             ap->shape.hexagon, 6, Convex, CoordModePrevious);
@@ -499,9 +503,9 @@ fillcell(ModeInfo * mi, GC gc, int col, int row)
                 ap->shape.triangle[orient][0].x = ap->xb + col * ap->xs;
                 ap->shape.triangle[orient][0].y = ap->yb + row * ap->ys;
                 if (ap->xs <= 3 || ap->ys <= 3)
                 ap->shape.triangle[orient][0].x = ap->xb + col * ap->xs;
                 ap->shape.triangle[orient][0].y = ap->yb + row * ap->ys;
                 if (ap->xs <= 3 || ap->ys <= 3)
-                       XFillRectangle(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
+                       XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                         ((orient) ? -1 : 1) + ap->shape.triangle[orient][0].x,
                         ((orient) ? -1 : 1) + ap->shape.triangle[orient][0].x,
-                                      ap->shape.triangle[orient][0].y, 1, 1);
+                                      ap->shape.triangle[orient][0].y);
                 else {
                         if (orient)
                                 ap->shape.triangle[orient][0].x += (ap->xs / 2 - 1);
                 else {
                         if (orient)
                                 ap->shape.triangle[orient][0].x += (ap->xs / 2 - 1);
@@ -529,7 +533,7 @@ truchetcell(ModeInfo * mi, int col, int row, int truchetstate)
                         hex.x = ap->xb + ccol * ap->xs - (int) ((double) ap->xs / 2.0) - 1;
                         hex.y = ap->yb + crow * ap->ys - (int) ((double) ap->ys / 2.0) - 1;
                         for (side = 0; side < 6; side++) {
                         hex.x = ap->xb + ccol * ap->xs - (int) ((double) ap->xs / 2.0) - 1;
                         hex.y = ap->yb + crow * ap->ys - (int) ((double) ap->ys / 2.0) - 1;
                         for (side = 0; side < 6; side++) {
-                               if (side > 0) {
+                               if (side) {
                                         hex.x += ap->shape.hexagon[side].x;
                                         hex.y += ap->shape.hexagon[side].y;
                                 }
                                         hex.x += ap->shape.hexagon[side].x;
                                         hex.y += ap->shape.hexagon[side].y;
                                 }
@@ -539,17 +543,29 @@ truchetcell(ModeInfo * mi, int col, int row, int truchetstate)
                                                  ((570 - (side * 60) + fudge) % 360) * 64, (120 - 2 * fudge) * 64);
                         }
                 } else {
                                                  ((570 - (side * 60) + fudge) % 360) * 64, (120 - 2 * fudge) * 64);
                         }
                 } else {
-
                         /* Very crude approx of Sqrt 3, so it will not cause drawing errors. */
                         /* Very crude approx of Sqrt 3, so it will not cause drawing errors. */
-                       hex.x = ap->xb + ccol * ap->xs - (int) ((double) ap->xs * 1.6 / 2.0);
-                       hex.y = ap->yb + crow * ap->ys - (int) ((double) ap->ys * 1.6 / 2.0);
+                       hex.x = ap->xb + ccol * ap->xs - (int) ((double) ap->xs * 1.6 / 2.0) - 1;
+                       hex.y = ap->yb + crow * ap->ys - (int) ((double) ap->ys * 1.6 / 2.0) - 1;
                         for (side = 0; side < 6; side++) {
                         for (side = 0; side < 6; side++) {
-                               if (side > 0) {
+                               if (side) {
                                         hex.x += ap->shape.hexagon[side].x;
                                         hex.y += ap->shape.hexagon[side].y;
                                 }
                                 hex2.x = hex.x + ap->shape.hexagon[side + 1].x / 2;
                                         hex.x += ap->shape.hexagon[side].x;
                                         hex.y += ap->shape.hexagon[side].y;
                                 }
                                 hex2.x = hex.x + ap->shape.hexagon[side + 1].x / 2;
-                               hex2.y = hex.y + ap->shape.hexagon[side + 1].y / 2;
+                               hex2.y = hex.y + ap->shape.hexagon[side + 1].y / 2 + 1;
+                               /* Lots of fudging here */
+                               if (side == 1) {
+                                       hex2.x += (short) (ap->xs * 0.1 + 1);
+                                       hex2.y += (short) (ap->ys * 0.1 - ((ap->ys > 5) ? 1 : 0));
+                               } else if (side == 2) {
+                                       hex2.x += (short) (ap->xs * 0.1);
+                               } else if (side == 4) {
+                                       hex2.x += (short) (ap->xs * 0.1);
+                                       hex2.y += (short) (ap->ys * 0.1 - 1);
+                               } else if (side == 5) {
+                                       hex2.x += (short) (ap->xs * 0.5);
+                                       hex2.y += (short) (-ap->ys * 0.3 + 1);
+                               }
                                 if (truchetstate == side % 3)
                                         /* Crude approx of 120 deg, so it will not cause drawing errors. */
                                         XDrawArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
                                 if (truchetstate == side % 3)
                                         /* Crude approx of 120 deg, so it will not cause drawing errors. */
                                         XDrawArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
@@ -561,7 +577,7 @@ truchetcell(ModeInfo * mi, int col, int row, int truchetstate)
         } else if (ap->neighbors == 4) {
                 if (truchetstate) {
                         XDrawArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
         } else if (ap->neighbors == 4) {
                 if (truchetstate) {
                         XDrawArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
-                                ap->xb + ap->xs * col - ap->xs / 2+ 1,
+                                ap->xb + ap->xs * col - ap->xs / 2 + 1,
                                  ap->yb + ap->ys * row + ap->ys / 2 - 1,
                                  ap->xs - 2, ap->ys - 2,
                                  0 * 64, 90 * 64);
                                  ap->yb + ap->ys * row + ap->ys / 2 - 1,
                                  ap->xs - 2, ap->ys - 2,
                                  0 * 64, 90 * 64);
@@ -586,6 +602,7 @@ truchetcell(ModeInfo * mi, int col, int row, int truchetstate)
                 int         orient = (col + row) % 2;   /* O left 1 right */
                 int         side, ang;
                 int         fudge = 7;  /* fudge because the triangles are not exact */
                 int         orient = (col + row) % 2;   /* O left 1 right */
                 int         side, ang;
                 int         fudge = 7;  /* fudge because the triangles are not exact */
+               double      fudge2 = 1.18;
                 XPoint      tri;
  
                 tri.x = ap->xb + col * ap->xs;
                 XPoint      tri;
  
                 tri.x = ap->xb + col * ap->xs;
@@ -600,14 +617,16 @@ truchetcell(ModeInfo * mi, int col, int row, int truchetstate)
                                 tri.x += ap->shape.triangle[orient][side].x;
                                 tri.y += ap->shape.triangle[orient][side].y;
                         }
                                 tri.x += ap->shape.triangle[orient][side].x;
                                 tri.y += ap->shape.triangle[orient][side].y;
                         }
-                       if (truchetstate == side % 3) {
+                       if (truchetstate == side) {
                                 if (orient)
                                         ang = (510 - side * 120) % 360;         /* Right */
                                 else
                                         ang = (690 - side * 120) % 360;         /* Left */
                                 XDrawArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
                                 if (orient)
                                         ang = (510 - side * 120) % 360;         /* Right */
                                 else
                                         ang = (690 - side * 120) % 360;         /* Left */
                                 XDrawArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
-                                 tri.x - ap->xs / 2, tri.y - 3 * ap->ys / 4,
-                                        ap->xs, 3 * ap->ys / 2,
+                                 (int) (tri.x - ap->xs * fudge2 / 2),
+          (int) (tri.y - 3 * ap->ys * fudge2 / 4),
+                                 (unsigned int) (ap->xs * fudge2),
+          (unsigned int) (3 * ap->ys * fudge2 / 2),
                                   (ang + fudge) * 64, (60 - 2 * fudge) * 64);
                         }
                 }
                                   (ang + fudge) * 64, (60 - 2 * fudge) * 64);
                         }
                 }
@@ -656,48 +675,152 @@ drawtruchet(ModeInfo * mi, int col, int row,
  }
  
  static void
  }
  
  static void
-draw_anant(ModeInfo * mi, int col, int row)
+draw_anant(ModeInfo * mi, int direction, int col, int row)
  {
  {
-       XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_WHITE_PIXEL(mi));
-       fillcell(mi, MI_GC(mi), col, row);
-#if 0                          /* Can not see eyes */
-       {
-               antfarmstruct *ap = &antfarms[MI_SCREEN(mi)];
-               Display    *display = MI_DISPLAY(mi);
-               Window      window = MI_WINDOW(mi);
-
-               if (ap->xs > 2 && ap->ys > 2) {         /* Draw Eyes */
+       antfarmstruct *ap = &antfarms[MI_SCREEN(mi)];
+       Display    *display = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
  
  
-                       XSetForeground(display, MI_GC(mi), MI_BLACK_PIXEL(mi));
+       XSetForeground(display, MI_GC(mi), MI_WHITE_PIXEL(mi));
+       fillcell(mi, MI_GC(mi), col, row);
+       if (ap->eyes) {         /* Draw Eyes */
+               XSetForeground(display, MI_GC(mi), MI_BLACK_PIXEL(mi));
+               if (ap->neighbors == 6) {
+                       int         ccol = 2 * col + !(row & 1), crow = 2 * row;
+                       int         side, ang;
+                       XPoint      hex;
+
+                       if (!(ap->xs > 3 && ap->ys > 3))
+                               return;
+                       hex.x = ap->xb + ccol * ap->xs;
+                       hex.y = ap->yb + crow * ap->ys + ap->ys / 2;
+                       ang = direction * ap->neighbors / ANGLES;
+                       for (side = 0; side < ap->neighbors; side++) {
+                               if (side) {
+                                       hex.x -= ap->shape.hexagon[side].x / 2;
+                                       hex.y += ap->shape.hexagon[side].y / 2;
+                               }
+                               if (side == (ap->neighbors + ang - 2) % ap->neighbors)
+                                       XDrawPoint(display, window, MI_GC(mi), hex.x, hex.y);
+                               if (side == (ap->neighbors + ang - 1) % ap->neighbors)
+                                       XDrawPoint(display, window, MI_GC(mi), hex.x, hex.y);
+                       }
+               } else if (ap->neighbors == 4 || ap->neighbors == 8) {
+                       if (!(ap->xs > 3 && ap->ys > 3))
+                               return;
                         switch (direction) {
                                 case 0:
                                         XDrawPoint(display, window, MI_GC(mi),
                         switch (direction) {
                                 case 0:
                                         XDrawPoint(display, window, MI_GC(mi),
-                                           ap->xb + ap->xs - 1, ap->yb + 1);
+                                               ap->xb + ap->xs * (col + 1) - 3,
+                                               ap->yb + ap->ys * row + ap->ys / 2 - 2);
                                         XDrawPoint(display, window, MI_GC(mi),
                                         XDrawPoint(display, window, MI_GC(mi),
-                                                  ap->xb + ap->xs - 1, ap->yb + ap->ys - 2);
+                                               ap->xb + ap->xs * (col + 1) - 3,
+                                               ap->yb + ap->ys * row + ap->ys / 2);
                                         break;
                                         break;
-                               case 180:
-                                       XDrawPoint(display, window, MI_GC(mi), ap->xb, ap->yb + 1);
-                                       XDrawPoint(display, window, MI_GC(mi), ap->xb, ap->yb + ap->ys - 2);
+                               case 45:
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * (col + 1) - 4,
+                                               ap->yb + ap->ys * row + 1);
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * (col + 1) - 3,
+                                               ap->yb + ap->ys * row + 2);
                                         break;
                                         break;
-                                       if (neighbors == 4) {
                                 case 90:
                                 case 90:
-                                               XDrawPoint(display, window, MI_GC(mi), ap->xb + 1, ap->yb);
-                                               XDrawPoint(display, window, MI_GC(mi),
-                                               ap->xb + ap->xs - 2, ap->yb);
-                                               break;
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + ap->xs / 2 - 2,
+                                               ap->yb + ap->ys * row + 1);
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + ap->xs / 2,
+                                               ap->yb + ap->ys * row + 1);
+                                       break;
+                               case 135:
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + 2,
+                                               ap->yb + ap->ys * row + 1);
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + 1,
+                                               ap->yb + ap->ys * row + 2);
+                                       break;
+                               case 180:
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + 1,
+                                               ap->yb + ap->ys * row + ap->ys / 2 - 2);
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + 1,
+                                               ap->yb + ap->ys * row + ap->ys / 2);
+                                       break;
+                               case 225:
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + 2,
+                                               ap->yb + ap->ys * (row + 1) - 3);
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + 1,
+                                               ap->yb + ap->ys * (row + 1) - 4);
+                                       break;
                                 case 270:
                                 case 270:
-                                               XDrawPoint(display, window, MI_GC(mi),
-                                                          ap->xb + 1, ap->yb + ap->ys - 1);
-                                               XDrawPoint(display, window, MI_GC(mi),
-                                                          ap->xb + ap->xs - 2, ap->yb + ap->ys - 1);
-                                               break;
-                                       }       /* else BEE */
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + ap->xs / 2 - 2,
+                                               ap->yb + ap->ys * (row + 1) - 3);
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * col + ap->xs / 2,
+                                               ap->yb + ap->ys * (row + 1) - 3);
+                                       break;
+                               case 315:
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * (col + 1) - 4,
+                                               ap->yb + ap->ys * (row + 1) - 3);
+                                       XDrawPoint(display, window, MI_GC(mi),
+                                               ap->xb + ap->xs * (col + 1) - 3,
+                                               ap->yb + ap->ys * (row + 1) - 4);
+                                       break;
                                 default:
                                 default:
+                                       (void) fprintf(stderr, "wrong eyes direction %d for ant eyes\n", direction);
+                       }
+               } else {                /* TRI */
+                       int         orient = (col + row) % 2;   /* O left 1 right */
+                       int         side, ang;
+                       XPoint      tri;
+
+                       if (!(ap->xs > 6 && ap->ys > 6))
+                               return;
+                       tri.x = ap->xb + col * ap->xs;
+                       tri.y = ap->yb + row * ap->ys;
+                       if (orient)
+                               tri.x += (ap->xs / 6 - 1);
+                       else
+                               tri.x -= (ap->xs / 6 - 1);
+                       ang = direction * ap->neighbors / ANGLES;
+                       /* approx... does not work that well for even numbers */
+                       if (
+#ifdef NUMBER_9
+                       ap->neighbors == 9 ||
+#endif
+                       ap->neighbors == 12) {
+#ifdef UNDER_CONSTRUCTION
+                               /* Not sure why this does not work */
+                               ang = ((ang + ap->neighbors / 6) / (ap->neighbors / 3)) % 3;
+#else
+                               return;
+#endif
+                       }
+                       for (side = 0; side < 3; side++) {
+                               if (side) {
+                                       tri.x += ap->shape.triangle[orient][side].x / 3;
+                                       tri.y += ap->shape.triangle[orient][side].y / 3;
+                               }
+                               /* Either you have the eyes in back or one eye in front */
+#if 0
+                               if (side == ang)
+                                       XDrawPoint(display, window, MI_GC(mi), tri.x, tri.y);
+#else
+                               if (side == (ang + 2) % 3)
+                                       XDrawPoint(display, window, MI_GC(mi), tri.x, tri.y);
+                               if (side == (ang + 1) % 3)
+                                       XDrawPoint(display, window, MI_GC(mi), tri.x, tri.y);
+#endif
                         }
                 }
         }
                         }
                 }
         }
-#endif
  }
  
  #if 0
  }
  
  #if 0
@@ -720,35 +843,36 @@ RandomSoup(mi)
  #endif
  
  static short
  #endif
  
  static short
-fromTableDirection(unsigned char dir, int neighbors)
+fromTableDirection(unsigned char dir, int local_neighbors)
  {
  {
+       /* Crafted to work for odd number of neighbors */
         switch (dir) {
                 case FS:
                         return 0;
         switch (dir) {
                 case FS:
                         return 0;
-               case TRS:
-                       return (ANGLES / neighbors);
-               case THRS:
-                       return (ANGLES / 2 - ANGLES / neighbors);
-               case TBS:
-                       return (ANGLES / 2);
-               case THLS:
-                       return (ANGLES / 2 + ANGLES / neighbors);
                 case TLS:
                 case TLS:
-                       return (ANGLES - ANGLES / neighbors);
+                       return (ANGLES / local_neighbors);
+               case THLS:
+                       return (2 * ANGLES / local_neighbors);
+               case TBS:
+                       return ((local_neighbors / 2) * ANGLES / local_neighbors);
+               case THRS:
+                       return (ANGLES - 2 * ANGLES / local_neighbors);
+               case TRS:
+                       return (ANGLES - ANGLES / local_neighbors);
                 case SF:
                         return ANGLES;
                 case SF:
                         return ANGLES;
-               case STR:
-                       return (ANGLES + ANGLES / neighbors);
-               case STHR:
-                       return (3 * ANGLES / 2 - ANGLES / neighbors);
-               case STB:
-                       return (3 * ANGLES / 2);
-               case STHL:
-                       return (3 * ANGLES / 2 + ANGLES / neighbors);
                 case STL:
                 case STL:
-                       return (2 * ANGLES - ANGLES / neighbors);
+                       return (ANGLES + ANGLES / local_neighbors);
+               case STHL:
+                       return (ANGLES + 2 * ANGLES / local_neighbors);
+               case STB:
+                       return (ANGLES + (local_neighbors / 2) * ANGLES / local_neighbors);
+               case STHR:
+                       return (2 * ANGLES - 2 * ANGLES / local_neighbors);
+               case STR:
+                       return (2 * ANGLES - ANGLES / local_neighbors);
                 default:
                 default:
-                       (void) fprintf(stderr, "wrong direction %d\n", dir);
+                       (void) fprintf(stderr, "wrong direction %d from table\n", dir);
         }
         return -1;
  }
         }
         return -1;
  }
@@ -770,7 +894,7 @@ getTable(ModeInfo * mi, int i)
                           ap->n, ap->neighbors, i, ap->ncolors, ap->nstates);
         for (j = 0; j < total; j++) {
                 ap->machine[j].color = *patptr++;
                           ap->n, ap->neighbors, i, ap->ncolors, ap->nstates);
         for (j = 0; j < total; j++) {
                 ap->machine[j].color = *patptr++;
-               if (ap->sharpturn && ap->neighbors > 4 && !(ap->neighbors % 2)) {
+               if (ap->sharpturn && ap->neighbors > 4) {
                         int         k = *patptr++;
  
                         switch (k) {
                         int         k = *patptr++;
  
                         switch (k) {
@@ -816,9 +940,9 @@ getTurk(ModeInfo * mi, int i)
         antfarmstruct *ap = &antfarms[MI_SCREEN(mi)];
         int         power2, j, number, total;
  
         antfarmstruct *ap = &antfarms[MI_SCREEN(mi)];
         int         power2, j, number, total;
  
-       /* To force a number, say <i = 2;> has  i + 2 (or 4) digits in binary */
+       /* To force a number, say <i = 2;> has  i + 2 (or 4) binary digits */
         power2 = 1 << (i + 1);
         power2 = 1 << (i + 1);
-       /* Dont want numbers which in binary are all 1's. */
+       /* Do not want numbers which in binary are all 1's. */
         number = NRAND(power2 - 1) + power2;
         /* To force a particular number, say <number = 10;> */
  
         number = NRAND(power2 - 1) + power2;
         /* To force a particular number, say <number = 10;> */
  
@@ -827,7 +951,7 @@ getTurk(ModeInfo * mi, int i)
         total = ap->ncolors * ap->nstates;
         for (j = 0; j < total; j++) {
                 ap->machine[j].color = (j + 1) % total;
         total = ap->ncolors * ap->nstates;
         for (j = 0; j < total; j++) {
                 ap->machine[j].color = (j + 1) % total;
-               if (ap->sharpturn && ap->neighbors > 4 && !(ap->neighbors % 2)) {
+               if (ap->sharpturn && ap->neighbors > 4) {
                         ap->machine[j].direction = (power2 & number) ?
                                 fromTableDirection(THRS, ap->neighbors) :
                                 fromTableDirection(THLS, ap->neighbors);
                         ap->machine[j].direction = (power2 & number) ?
                                 fromTableDirection(THRS, ap->neighbors) :
                                 fromTableDirection(THLS, ap->neighbors);
@@ -847,6 +971,33 @@ getTurk(ModeInfo * mi, int i)
                                ap->n, ap->neighbors, number, ap->ncolors);
  }
  
                                ap->n, ap->neighbors, number, ap->ncolors);
  }
  
+static void
+free_ant(Display *display, antfarmstruct *ap)
+{
+       int         shade;
+
+       if (ap->stippledGC != None) {
+               XFreeGC(display, ap->stippledGC);
+               ap->stippledGC = None;
+       }
+       for (shade = 0; shade < ap->init_bits; shade++) {
+               XFreePixmap(display, ap->pixmaps[shade]);
+       }
+       ap->init_bits = 0;
+       if (ap->tape != NULL) {
+               (void) free((void *) ap->tape);
+               ap->tape = (unsigned char *) NULL;
+       }
+       if (ap->ants != NULL) {
+               (void) free((void *) ap->ants);
+               ap->ants = (antstruct *) NULL;
+       }
+       if (ap->truchet_state != NULL) {
+               (void) free((void *) ap->truchet_state);
+               ap->truchet_state = (unsigned char *) NULL;
+       }
+}
+
  void
  init_ant(ModeInfo * mi)
  {
  void
  init_ant(ModeInfo * mi)
  {
@@ -855,13 +1006,7 @@ init_ant(ModeInfo * mi)
         int         size = MI_SIZE(mi);
         antfarmstruct *ap;
         int         col, row, dir;
         int         size = MI_SIZE(mi);
         antfarmstruct *ap;
         int         col, row, dir;
-       long        i;
-
-       /* jwz sez: small sizes look like crap */
-       if (size < 0)
-         size = NRAND(-size)+1;
-       if (size < 5)
-         size += 5;
+       int         i;
  
         if (antfarms == NULL) {
                 if ((antfarms = (antfarmstruct *) calloc(MI_NUM_SCREENS(mi),
  
         if (antfarms == NULL) {
                 if ((antfarms = (antfarmstruct *) calloc(MI_NUM_SCREENS(mi),
@@ -869,17 +1014,23 @@ init_ant(ModeInfo * mi)
                         return;
         }
         ap = &antfarms[MI_SCREEN(mi)];
                         return;
         }
         ap = &antfarms[MI_SCREEN(mi)];
+
         ap->redrawing = 0;
         if (MI_NPIXELS(mi) <= 2) {
                 if (ap->stippledGC == None) {
                         XGCValues   gcv;
  
                         gcv.fill_style = FillOpaqueStippled;
         ap->redrawing = 0;
         if (MI_NPIXELS(mi) <= 2) {
                 if (ap->stippledGC == None) {
                         XGCValues   gcv;
  
                         gcv.fill_style = FillOpaqueStippled;
-                       ap->stippledGC = XCreateGC(display, window, GCFillStyle, &gcv);
+                       if ((ap->stippledGC = XCreateGC(display, window, GCFillStyle,
+                                       &gcv)) == None) {
+                               free_ant(display, ap);
+                               return;
+                       }
                 }
                 if (ap->init_bits == 0) {
                 }
                 if (ap->init_bits == 0) {
-                       for (i = 1; i < NUMSTIPPLES; i++)
+                       for (i = 1; i < NUMSTIPPLES; i++) {
                                 ANTBITS(stipples[i], STIPPLESIZE, STIPPLESIZE);
                                 ANTBITS(stipples[i], STIPPLESIZE, STIPPLESIZE);
+                       }
                 }
         }
         ap->generation = 0;
                 }
         }
         ap->generation = 0;
@@ -888,7 +1039,7 @@ init_ant(ModeInfo * mi)
                 /* if ap->n is random ... the size can change */
                 if (ap->ants != NULL) {
                         (void) free((void *) ap->ants);
                 /* if ap->n is random ... the size can change */
                 if (ap->ants != NULL) {
                         (void) free((void *) ap->ants);
-                       ap->ants = NULL;
+                       ap->ants = (antstruct *) NULL;
                 }
                 ap->n = NRAND(-ap->n - MINANTS + 1) + MINANTS;
         } else if (ap->n < MINANTS)
                 }
                 ap->n = NRAND(-ap->n - MINANTS + 1) + MINANTS;
         } else if (ap->n < MINANTS)
@@ -897,27 +1048,29 @@ init_ant(ModeInfo * mi)
         ap->width = MI_WIDTH(mi);
         ap->height = MI_HEIGHT(mi);
  
         ap->width = MI_WIDTH(mi);
         ap->height = MI_HEIGHT(mi);
  
-       if (neighbors == 8 || neighbors == 9 || neighbors == 12)
-               ap->neighbors = neighbors;      /* Discourage but not deny use... */
-       else
-               for (i = 0; i < NEIGHBORKINDS; i++) {
-                       if (neighbors == plots[i]) {
-                               ap->neighbors = plots[i];
-                               break;
-                       }
-                       if (i == NEIGHBORKINDS - 1) {
+       for (i = 0; i < NEIGHBORKINDS; i++) {
+               if (neighbors == plots[i]) {
+                       ap->neighbors = plots[i];
+                       break;
+               }
+               if (i == NEIGHBORKINDS - 1) {
+                       if (!NRAND(10)) {
+                               /* Make above 6 rare */
                                 ap->neighbors = plots[NRAND(NEIGHBORKINDS)];
                                 ap->neighbors = plots[NRAND(NEIGHBORKINDS)];
-                               break;
+                       } else {
+                               ap->neighbors = plots[NRAND(GOODNEIGHBORKINDS)];
                         }
                         }
+                       break;
                 }
                 }
+       }
  
         if (ap->neighbors == 6) {
                 int         nccols, ncrows;
  
  
         if (ap->neighbors == 6) {
                 int         nccols, ncrows;
  
-               if (ap->width < 2)
-                       ap->width = 2;
-               if (ap->height < 4)
-                       ap->height = 4;
+               if (ap->width < 8)
+                       ap->width = 8;
+               if (ap->height < 8)
+                       ap->height = 8;
                 if (size < -MINSIZE) {
                         ap->ys = NRAND(MIN(-size, MAX(MINSIZE, MIN(ap->width, ap->height) /
                                       MINGRIDSIZE)) - MINSIZE + 1) + MINSIZE;
                 if (size < -MINSIZE) {
                         ap->ys = NRAND(MIN(-size, MAX(MINSIZE, MIN(ap->width, ap->height) /
                                       MINGRIDSIZE)) - MINSIZE + 1) + MINSIZE;
@@ -934,11 +1087,11 @@ init_ant(ModeInfo * mi)
                                                MINGRIDSIZE));
                 ap->xs = ap->ys;
                 nccols = MAX(ap->width / ap->xs - 2, 2);
                                                MINGRIDSIZE));
                 ap->xs = ap->ys;
                 nccols = MAX(ap->width / ap->xs - 2, 2);
-               ncrows = MAX(ap->height / ap->ys - 1, 2);
+               ncrows = MAX(ap->height / ap->ys - 1, 4);
                 ap->ncols = nccols / 2;
                 ap->nrows = 2 * (ncrows / 4);
                 ap->xb = (ap->width - ap->xs * nccols) / 2 + ap->xs / 2;
                 ap->ncols = nccols / 2;
                 ap->nrows = 2 * (ncrows / 4);
                 ap->xb = (ap->width - ap->xs * nccols) / 2 + ap->xs / 2;
-               ap->yb = (ap->height - ap->ys * (ncrows / 2) * 2) / 2 + ap->ys;
+               ap->yb = (ap->height - ap->ys * (ncrows / 2) * 2) / 2 + ap->ys - 2;
                 for (i = 0; i < 6; i++) {
                         ap->shape.hexagon[i].x = (ap->xs - 1) * hexagonUnit[i].x;
                         ap->shape.hexagon[i].y = ((ap->ys - 1) * hexagonUnit[i].y / 2) * 4 / 3;
                 for (i = 0; i < 6; i++) {
                         ap->shape.hexagon[i].x = (ap->xs - 1) * hexagonUnit[i].x;
                         ap->shape.hexagon[i].y = ((ap->ys - 1) * hexagonUnit[i].y / 2) * 4 / 3;
@@ -1011,13 +1164,14 @@ init_ant(ModeInfo * mi)
  
         if (MI_IS_FULLRANDOM(mi)) {
                 ap->truchet = (Bool) (LRAND() & 1);
  
         if (MI_IS_FULLRANDOM(mi)) {
                 ap->truchet = (Bool) (LRAND() & 1);
+               ap->eyes = (Bool) (LRAND() & 1);
                 ap->sharpturn = (Bool) (LRAND() & 1);
         } else {
                 ap->truchet = truchet;
                 ap->sharpturn = (Bool) (LRAND() & 1);
         } else {
                 ap->truchet = truchet;
+               ap->eyes = eyes;
                 ap->sharpturn = sharpturn;
         }
                 ap->sharpturn = sharpturn;
         }
-       /* Exclude odd # of neighbors, stepping forward not defined */
-       if (!NRAND(NUMSTIPPLES) && ((ap->neighbors + 1) % 2)) {
+       if (!NRAND(NUMSTIPPLES)) {
                 getTable(mi, (int) (NRAND(NTABLES)));
         } else
                 getTurk(mi, (int) (NRAND(NUMSTIPPLES - 1)));
                 getTable(mi, (int) (NRAND(NTABLES)));
         } else
                 getTurk(mi, (int) (NRAND(NUMSTIPPLES - 1)));
@@ -1025,21 +1179,38 @@ init_ant(ModeInfo * mi)
                 for (i = 0; i < (int) ap->ncolors - 1; i++)
                         ap->colors[i] = (unsigned char) (NRAND(MI_NPIXELS(mi)) +
                              i * MI_NPIXELS(mi)) / ((int) (ap->ncolors - 1));
                 for (i = 0; i < (int) ap->ncolors - 1; i++)
                         ap->colors[i] = (unsigned char) (NRAND(MI_NPIXELS(mi)) +
                              i * MI_NPIXELS(mi)) / ((int) (ap->ncolors - 1));
-       if (ap->ants == NULL)
-               ap->ants = (antstruct *) malloc(ap->n * sizeof (antstruct));
-       if (ap->tape != NULL)
+       if (ap->ants == NULL) {
+               if ((ap->ants = (antstruct *) malloc(ap->n * sizeof (antstruct))) ==
+                               NULL) {
+                       free_ant(display, ap);
+                       return;
+               }
+       }
+       if (ap->tape != NULL) 
                 (void) free((void *) ap->tape);
                 (void) free((void *) ap->tape);
-       ap->tape = (unsigned char *)
-               calloc(ap->ncols * ap->nrows, sizeof (unsigned char));
-
+       if ((ap->tape = (unsigned char *) calloc(ap->ncols * ap->nrows,
+                       sizeof (unsigned char))) == NULL) {
+               free_ant(display, ap);
+               return;
+       }
         if (ap->truchet_state != NULL)
                 (void) free((void *) ap->truchet_state);
         if (ap->truchet_state != NULL)
                 (void) free((void *) ap->truchet_state);
-       ap->truchet_state = (unsigned char *)
-               calloc(ap->ncols * ap->nrows, sizeof (unsigned char));
+       if ((ap->truchet_state = (unsigned char *) calloc(ap->ncols * ap->nrows,
+                       sizeof (unsigned char))) == NULL) {
+               free_ant(display, ap);
+               return;
+       }
  
  
-       col = ap->ncols / 2;
         row = ap->nrows / 2;
         row = ap->nrows / 2;
+       col = ap->ncols / 2;
+       if (col > 0 && ((ap->neighbors % 2) || ap->neighbors == 12) && (LRAND() & 1))
+               col--;
         dir = NRAND(ap->neighbors) * ANGLES / ap->neighbors;
         dir = NRAND(ap->neighbors) * ANGLES / ap->neighbors;
+       ap->init_dir = dir;
+#ifdef NUMBER_9
+       if (ap->neighbors == 9 && !((col + row) & 1))
+               dir = (dir + ANGLES - ANGLES / (ap->neighbors * 2)) % ANGLES;
+#endif
         /* Have them all start in the same spot, why not? */
         for (i = 0; i < ap->n; i++) {
                 ap->ants[i].col = col;
         /* Have them all start in the same spot, why not? */
         for (i = 0; i < ap->n; i++) {
                 ap->ants[i].col = col;
@@ -1047,21 +1218,26 @@ init_ant(ModeInfo * mi)
                 ap->ants[i].direction = dir;
                 ap->ants[i].state = 0;
         }
                 ap->ants[i].direction = dir;
                 ap->ants[i].state = 0;
         }
-       draw_anant(mi, col, row);
+       draw_anant(mi, dir, col, row);
  }
  
  void
  draw_ant(ModeInfo * mi)
  {
  }
  
  void
  draw_ant(ModeInfo * mi)
  {
-       antfarmstruct *ap = &antfarms[MI_SCREEN(mi)];
         antstruct  *anant;
         statestruct *status;
         int         i, state_pos, tape_pos;
         unsigned char color;
         short       chg_dir, old_dir;
         antstruct  *anant;
         statestruct *status;
         int         i, state_pos, tape_pos;
         unsigned char color;
         short       chg_dir, old_dir;
+       antfarmstruct *ap;
  
  
-       MI_IS_DRAWN(mi) = True;
+       if (antfarms == NULL)
+               return;
+       ap = &antfarms[MI_SCREEN(mi)];
+       if (ap->ants == NULL)
+               return;
  
  
+       MI_IS_DRAWN(mi) = True;
         ap->painted = True;
         for (i = 0; i < ap->n; i++) {
                 anant = &ap->ants[i];
         ap->painted = True;
         for (i = 0; i < ap->n; i++) {
                 anant = &ap->ants[i];
@@ -1082,7 +1258,10 @@ draw_ant(ModeInfo * mi)
  
                         if (ap->neighbors == 6) {
                                 if (ap->sharpturn) {
  
                         if (ap->neighbors == 6) {
                                 if (ap->sharpturn) {
-                                       a = (chg_dir / 120 == 2);
+                                       a = (((ANGLES + anant->direction - old_dir) % ANGLES) == 240);
+       /* should be some way of getting rid of the init_dir dependency... */
+                                       b = !(ap->init_dir % 120);
+                                       a = ((a && !b) || (b && !a));
                                         drawtruchet(mi, anant->col, anant->row, status->color, a);
                                 } else {
                                         a = (old_dir / 60) % 3;
                                         drawtruchet(mi, anant->col, anant->row, status->color, a);
                                 } else {
                                         a = (old_dir / 60) % 3;
@@ -1106,10 +1285,16 @@ draw_ant(ModeInfo * mi)
                 }
                 anant->state = status->next;
  
                 }
                 anant->state = status->next;
  
-               /* If edge than wrap it */
+               /* Allow step first and turn */
                 old_dir = ((status->direction < ANGLES) ? anant->direction : old_dir);
                 old_dir = ((status->direction < ANGLES) ? anant->direction : old_dir);
+#if DEBUG
+               (void) printf("old_dir %d, col %d, row %d", old_dir, anant->col, anant->row);
+#endif
                 position_of_neighbor(ap, old_dir, &(anant->col), &(anant->row));
                 position_of_neighbor(ap, old_dir, &(anant->col), &(anant->row));
-               draw_anant(mi, anant->col, anant->row);
+#if DEBUG
+               (void) printf(", ncol %d, nrow %d\n", anant->col, anant->row);
+#endif
+               draw_anant(mi, anant->direction, anant->col, anant->row);
         }
         if (++ap->generation > MI_CYCLES(mi)) {
  #ifdef STANDALONE
         }
         if (++ap->generation > MI_CYCLES(mi)) {
  #ifdef STANDALONE
@@ -1142,31 +1327,21 @@ release_ant(ModeInfo * mi)
         if (antfarms != NULL) {
                 int         screen;
  
         if (antfarms != NULL) {
                 int         screen;
  
-               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
-                       antfarmstruct *ap = &antfarms[screen];
-                       int         shade;
-
-                       if (ap->stippledGC != None) {
-                               XFreeGC(MI_DISPLAY(mi), ap->stippledGC);
-                       }
-                       for (shade = 0; shade < ap->init_bits; shade++)
-                               XFreePixmap(MI_DISPLAY(mi), ap->pixmaps[shade]);
-                       if (ap->tape != NULL)
-                               (void) free((void *) ap->tape);
-                       if (ap->ants != NULL)
-                               (void) free((void *) ap->ants);
-                       if (ap->truchet_state != NULL)
-                               (void) free((void *) ap->truchet_state);
-               }
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_ant(MI_DISPLAY(mi), &antfarms[screen]);
                 (void) free((void *) antfarms);
                 (void) free((void *) antfarms);
-               antfarms = NULL;
+               antfarms = (antfarmstruct *) NULL;
         }
  }
  
  void
  refresh_ant(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_ant(ModeInfo * mi)
  {
-       antfarmstruct *ap = &antfarms[MI_SCREEN(mi)];
+       antfarmstruct *ap;
+
+       if (antfarms == NULL)
+               return;
+       ap = &antfarms[MI_SCREEN(mi)];
  
         if (ap->painted) {
                 MI_CLEARWINDOW(mi);
  
         if (ap->painted) {
                 MI_CLEARWINDOW(mi);
@@ -1174,3 +1349,5 @@ refresh_ant(ModeInfo * mi)
                 ap->redrawpos = 0;
         }
  }
                 ap->redrawpos = 0;
         }
  }
+
+#endif /* MODE_ant */
diff --git a/hacks/apollonian.c b/hacks/apollonian.c

new file mode 100644 (file)

index 0000000..4befef4
--- /dev/null
+++ b/hacks/apollonian.c
@@ -0,0 +1,820 @@
+/* -*- Mode: C; tab-width: 4 -*- */
+/* apollonian --- Apollonian Circles */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)apollonian.c 5.02 2001/07/01 xlockmore";
+#endif
+
+/*-
+ * Copyright (c) 2000, 2001 by Allan R. Wilks <allan@research.att.com>.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * radius r = 1 / c (curvature)
+ *
+ * Descartes Circle Theorem: (a, b, c, d are curvatures of tangential circles)
+ * Let a, b, c, d be the curvatures of for mutually (externally) tangent
+ * circles in the plane.  Then
+ * a^2 + b^2 + c^2 + d^2 = (a + b + c + d)^2 / 2
+ *
+ * Complex Descartes Theorem:  If the oriented curvatues and (complex) centers
+ * of an oriented Descrates configuration in the plane are a, b, c, d and
+ * w, x, y, z respectively, then
+ * a^2*w^2 + b^2*x^2 + c^2*y^2 + d^2*z^2 = (aw + bx + cy + dz)^2 / 2
+ * In addition these quantities satisfy
+ * a^2*w + b^2*x + c^2*y + d^2*z = (aw + bx + cy + dz)(a + b + c + d) /  2
+ *
+ * Enumerate root integer Descartes quadruples (a,b,c,d) satisfying the
+ * Descartes condition:
+ *      2(a^2+b^2+c^2+d^2) = (a+b+c+d)^2
+ * i.e., quadruples for which no application of the "pollinate" operator
+ *      z <- 2(a+b+c+d) - 3*z,
+ * where z is in {a,b,c,d}, gives a quad of strictly smaller sum.  This
+ * is equivalent to the condition:
+ *      sum(a,b,c,d) >= 2*max(a,b,c,d)
+ * which, because of the Descartes condition, is equivalent to
+ *      sum(a^2,b^2,c^2,d^2) >= 2*max(a,b,c,d)^2
+ *
+ *
+ * Todo:
+ * Add a small font
+ *
+ * Revision History:
+ * 25-Jun-2001: Converted from C and Postscript code by David Bagley 
+ *              Original code by Allan R. Wilks <allan@research.att.com>.
+ *
+ * From Circle Math Science News April 21, 2001 VOL. 254-255
+ * http://www.sciencenews.org/20010421/toc.asp
+ * Apollonian Circle Packings Assorted papers from Ronald L Graham,
+ * Jeffrey Lagarias, Colin Mallows, Allan Wilks, Catherine Yan
+ *      http://front.math.ucdavis.edu/math.NT/0009113
+ *      http://front.math.ucdavis.edu/math.MG/0101066
+ *      http://front.math.ucdavis.edu/math.MG/0010298
+ *      http://front.math.ucdavis.edu/math.MG/0010302
+ *      http://front.math.ucdavis.edu/math.MG/0010324
+ */
+
+#ifdef STANDALONE
+#define MODE_apollonian
+#define PROGCLASS "Apollonian"
+#define HACK_INIT init_apollonian
+#define HACK_DRAW draw_apollonian
+#define apollonian_opts xlockmore_opts
+#define DEFAULTS "*delay: 1000000 \n" \
+ "*count: 64 \n" \
+ "*cycles: 20 \n" \
+ "*ncolors: 64 \n"
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#include "erase.h"
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_apollonian
+
+#define DEF_ALTGEOM  "True"
+#define DEF_LABEL  "True"
+
+static Bool altgeom;
+static Bool label;
+
+static XrmOptionDescRec opts[] =
+{
+       {(char *) "-altgeom", (char *) ".apollonian.altgeom", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+altgeom", (char *) ".apollonian.altgeom", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-label", (char *) ".apollonian.label", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+label", (char *) ".apollonian.label", XrmoptionNoArg, (caddr_t) "off"},
+};
+static argtype vars[] =
+{
+       {(caddr_t *) & altgeom, (char *) "altgeom", (char *) "AltGeom", (char *) DEF_ALTGEOM, t_Bool},
+       {(caddr_t *) & label, (char *) "label", (char *) "Label", (char *) DEF_LABEL, t_Bool},
+};
+static OptionStruct desc[] =
+{
+        {(char *) "-/+altgeom", (char *) "turn on/off alternate geometries (off euclidean space, on includes spherical and hyperbolic)"},
+        {(char *) "-/+label", (char *) "turn on/off alternate space and number labeling"},
+};
+
+ModeSpecOpt apollonian_opts =
+{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
+
+#ifdef DOFONT
+extern XFontStruct *getFont(Display * display);
+#endif
+
+#ifdef USE_MODULES
+ModStruct   apollonian_description =
+{"apollonian", "init_apollonian", "draw_apollonian", "release_apollonian",
+ "init_apollonian", "init_apollonian", (char *) NULL, &apollonian_opts,
+ 1000000, 64, 20, 1, 64, 1.0, "",
+ "Shows Apollonian Circles", 0, NULL};
+
+#endif
+
+typedef struct {
+       int a, b, c, d;
+} apollonian_quadruple;
+
+typedef struct {
+        double e;       /* euclidean bend */
+        double s;       /* spherical bend */
+        double h;       /* hyperbolic bend */
+        double x, y;    /* euclidean bend times euclidean position */
+} circle;
+enum space {
+  euclidean = 0, spherical, hyperbolic
+};
+
+const char * space_string[] = {
+  "euclidean",
+  "spherical",
+  "hyperbolic"
+};
+
+/*
+Generate Apollonian packing starting with a quadruple of circles.
+The four input lines each contain the 5-tuple (e,s,h,x,y) representing
+the circle with radius 1/e and center (x/e,y/e).  The s and h is propagated
+like e, x and y, but can differ from e so as to represent different
+geometries, spherical and hyperbolic, respectively.  The "standard" picture,
+for example (-1, 2, 2, 3), can be labeled for the three geometries.
+Origins of circles z1, z2, z3, z4
+a * z1 = 0
+b * z2 = (a+b)/a
+c * z3 = (q123 + a * i)^2/(a*(a+b)) where q123 = sqrt(a*b+a*c+b*c)
+d * z4 = (q124 + a * i)^2/(a*(a+b)) where q124 = q123 - a - b
+If (e,x,y) represents the Euclidean circle (1/e,x/e,y/e) (so that e is
+the label in the standard picture) then the "spherical label" is
+(e^2+x^2+y^2-1)/(2*e) (an integer!)  and the "hyperbolic label", is 
+calulated by h + s = e.
+*/
+circle examples[][4] = {
+{ /* double semi-bounded */
+       { 0, 0, 0,   0,  1},
+       { 0, 0, 0,   0, -1},
+       { 1, 1, 1,  -1,  0},
+       { 1, 1, 1,   1,  0}
+},
+#if 0
+{ /* standard */
+       {-1, 0, -1,   0,  0},
+       { 2, 1,  1,   1,  0},
+       { 2, 1,  1,  -1,  0},
+       { 3, 2,  1,   0,  2}
+},
+{ /* next simplest */
+       {-2, -1, -1,   0.0,  0},
+       { 3,  2,  1,   0.5,  0},
+       { 6,  3,  3,  -2.0,  0},
+       { 7,  4,  3,  -1.5,  2}
+},
+{ /*  */
+       {-3, -2, -1,         0.0,  0},
+       { 4,  3,  1,   1.0 / 3.0,  0},
+       {12,  7,  5,        -3.0,  0},
+       {13,  8,  5,  -8.0 / 3.0,  2}
+},
+{ /* Mickey */
+       {-3, -2, -1,         0.0,  0},
+       { 5,  4,  1,   2.0 / 3.0,  0},
+       { 8,  5,  3,  -4.0 / 3.0, -1},
+       { 8,  5,  3,  -4.0 / 3.0,  1}
+},
+{ /*  */
+       {-4, -3, -1,   0.00,  0},
+       { 5,  4,  1,   0.25,  0},
+       {20, 13,  7,  -4.00,  0},
+       {21, 14,  7,  -3.75,  2}
+},
+{ /* Mickey2 */
+       {-4, -2, -2,    0.0,  0},
+       { 8,  4,  4,    1.0,  0},
+       { 9,  5,  4,  -0.75, -1},
+       { 9,  5,  4,  -0.75,  1}
+},
+{ /* Mickey3 */
+       {-5,  -4, -1,   0.0,  0},
+       { 7,   6,  1,   0.4,  0},
+       {18,  13,  5,  -2.4, -1},
+       {18,  13,  5,  -2.4,  1}
+},
+{ /*  */
+       {-6, -5, -1,          0.0,  0},
+       { 7,  6,  1,    1.0 / 6.0,  0},
+       {42, 31, 11,         -6.0,  0},
+       {43, 32, 11,  -35.0 / 6.0,  2}
+},
+{ /*  */
+       {-6, -3, -3,         0.0,  0},
+       {10,  5,  5,   2.0 / 3.0,  0},
+       {15,  8,  7,        -1.5,  0},
+       {19, 10,  9,  -5.0 / 6.0,  2}
+},
+{ /* asymmetric */
+       {-6, -5, -1,           0.0,  0.0},
+       {11, 10,  1,     5.0 / 6.0,  0.0},
+       {14, 11,  3,  -16.0 / 15.0, -0.8},
+       {15, 12,  3,          -0.9,  1.2} 
+},
+#endif
+/* Non integer stuff */
+#define DELTA 2.154700538 /* ((3+2*sqrt(3))/3) */
+{ /* 3 fold symmetric bounded (x, y calculated later) */
+       {   -1,    -1,    -1,   0.0,  0.0},
+       {DELTA, DELTA, DELTA,   1.0,  0.0},
+       {DELTA, DELTA, DELTA,   1.0, -1.0},
+       {DELTA, DELTA, DELTA,  -1.0,  1.0} 
+},
+{ /* semi-bounded (x, y calculated later) */
+#define ALPHA 2.618033989 /* ((3+sqrt(5))/2) */
+       {              1.0,               1.0,               1.0,   0,  0},
+       {              0.0,               0.0,               0.0,   0, -1},
+       {1.0/(ALPHA*ALPHA), 1.0/(ALPHA*ALPHA), 1.0/(ALPHA*ALPHA),  -1,  0},
+       {        1.0/ALPHA,         1.0/ALPHA,         1.0/ALPHA,  -1,  0}
+},
+{ /* unbounded (x, y calculated later) */
+/* #define PHI 1.618033989 *//* ((1+sqrt(5))/2) */
+#define BETA 2.890053638 /* (PHI+sqrt(PHI)) */
+       {                 1.0,                  1.0,                  1.0,  0,  0},
+       {1.0/(BETA*BETA*BETA), 1.0/(BETA*BETA*BETA), 1.0/(BETA*BETA*BETA),  1,  0},
+       {     1.0/(BETA*BETA),      1.0/(BETA*BETA),      1.0/(BETA*BETA),  1,  0},
+       {            1.0/BETA,             1.0/BETA,             1.0/BETA,  1,  0}
+}
+};
+
+#define PREDEF_CIRCLE_GAMES  (sizeof (examples) / (4 * sizeof (circle)))
+
+#if 0
+Euclidean
+0, 0, 1, 1
+-1, 2, 2, 3
+-2, 3, 6, 7
+-3, 5, 8, 8
+-4, 8, 9, 9
+-3, 4, 12, 13
+-6, 11, 14, 15
+ -5, 7, 18, 18
+ -6, 10, 15, 19
+ -7, 12, 17, 20
+ -4, 5, 20, 21
+ -9, 18, 19, 22
+ -8, 13, 21, 24
+Spherical
+0, 1, 1, 2
+ -1, 2, 3, 4
+ -2, 4, 5, 5
+ -2, 3, 7, 8
+Hyperbolic
+-1, 1, 1, 1
+ 0, 0, 1, 3
+ -2, 3, 5, 6
+ -3, 6, 6, 7
+#endif
+
+typedef struct {
+       int         size;
+       XPoint      offset;
+       int         geometry;
+       circle      c1, c2, c3, c4;
+       int         color_offset;
+       int         count;
+       Bool        label, altgeom;
+       apollonian_quadruple  *quad;
+#ifdef DOFONT
+       XFontStruct *font;
+#endif
+       int         time;
+       int         game;
+} apollonianstruct;
+
+static apollonianstruct *apollonians = (apollonianstruct *) NULL;
+
+#define FONT_HEIGHT 19
+#define FONT_WIDTH 15
+#define FONT_LENGTH 20
+#define MAX_CHAR 10
+#define K       2.15470053837925152902  /* 1+2/sqrt(3) */
+#define MAXBEND 100 /* Do not want configurable by user since it will take too
+       much time if increased. */
+
+static int
+gcd(int a, int b)
+{
+       int r;
+
+       while (b) {
+               r = a % b;
+               a = b;
+               b = r;
+               }
+       return a;
+}
+
+static int
+isqrt(int n)
+{
+       int y;
+
+       if (n < 0)
+               return -1;
+       y = (int) (sqrt((double) n) + 0.5);
+       return ((n == y*y) ? y : -1);
+}
+
+static void
+dquad(int n, apollonian_quadruple *quad)
+{
+       int a, b, c, d;
+       int counter = 0, B, C;
+       
+       for (a = 0; a < MAXBEND; a++) {
+               B = (int) (K * a);
+               for (b = a + 1; b <= B; b++) {
+                       C = (int) (((a + b) * (a + b)) / (4.0 * (b - a)));
+                       for (c = b; c <= C; c++) {
+                               d = isqrt(b*c-a*(b+c));
+                               if (d >= 0 && (gcd(a,gcd(b,c)) <= 1)) {
+                                       quad[counter].a = -a;
+                                       quad[counter].b = b;
+                                       quad[counter].c = c;
+                                       quad[counter].d = -a+b+c-2*d;
+                                       if (++counter >= n) {
+                                               return;
+                                       }
+                               }
+                       }
+               }
+       }
+       (void) printf("found only %d below maximum bend of %d\n",
+               counter, MAXBEND);
+       for (; counter < n; counter++) {
+               quad[counter].a = -1; 
+               quad[counter].b = 2;
+               quad[counter].c = 2;
+               quad[counter].d = 3;
+       }
+       return;
+}
+
+/*
+ * Given a Descartes quadruple of bends (a,b,c,d), with a<0, find a
+ * quadruple of circles, represented by (bend,bend*x,bend*y), such
+ * that the circles have the given bends and the bends times the
+ * centers are integers.
+ *
+ * This just performs an exaustive search, assuming that the outer
+ * circle has center in the unit square.
+ *
+ * It is always sufficient to look in {(x,y):0<=y<=x<=1/2} for the
+ * center of the outer circle, but this may not lead to a packing
+ * that can be labelled with integer spherical and hyperbolic labels.
+ * To effect the smaller search, replace FOR(a) with
+ *
+ *      for (pa = ea/2; pa <= 0; pa++) for (qa = pa; qa <= 0; qa++)
+ */
+
+#define For(v,l,h)     for (v = l; v <= h; v++)
+#define FOR(z)         For(p##z,lop##z,hip##z) For(q##z,loq##z,hiq##z)
+#define H(z)           ((e##z*e##z+p##z*p##z+q##z*q##z)%2)
+#define UNIT(z)                ((abs(e##z)-1)*(abs(e##z)-1) >= p##z*p##z+q##z*q##z)
+#define T(z,w)         is_tangent(e##z,p##z,q##z,e##w,p##w,q##w)
+#define LO(r,z)                lo##r##z = iceil(e##z*(r##a+1),ea)-1
+#define HI(r,z)                hi##r##z = iflor(e##z*(r##a-1),ea)-1
+#define B(z)           LO(p,z); HI(p,z); LO(q,z); HI(q,z)
+
+static int
+is_quad(int a, int b, int c, int d)
+{
+       int s;
+
+       s = a+b+c+d;
+       return 2*(a*a+b*b+c*c+d*d) == s*s;
+}
+
+static Bool
+is_tangent(int e1, int p1, int q1, int e2, int p2, int q2)
+{
+       int dx, dy, s;
+
+       dx = p1*e2 - p2*e1;
+       dy = q1*e2 - q2*e1;
+       s = e1 + e2;
+       return dx*dx + dy*dy == s*s;
+}
+
+static int
+iflor(int a, int b)
+{
+       int q;
+
+       if (b == 0) {
+               (void) printf("iflor: b = 0\n");
+               return 0;
+       }
+       if (a%b == 0)
+               return a/b;
+       q = abs(a)/abs(b);
+       return ((a<0)^(b<0)) ? -q-1 : q;
+}
+
+static int
+iceil(int a, int b)
+{
+       int q;
+
+       if (b == 0) {
+               (void) printf("iceil: b = 0\n");
+               return 0;
+       }
+       if (a%b == 0)
+               return a/b;
+       q = abs(a)/abs(b);
+       return ((a<0)^(b<0)) ? -q : 1+q;
+}
+
+static double
+geom(int geometry, int e, int p, int q)
+{
+       int g = (geometry == spherical) ? -1 :
+               (geometry == hyperbolic) ? 1 : 0;
+
+       if (g)
+               return (e*e + (1.0 - p*p - q*q) * g) / (2.0*e);
+       (void) printf("geom: g = 0\n");
+       return e;
+}
+
+static void
+cquad(circle *c1, circle *c2, circle *c3, circle *c4)
+{
+       int ea, eb, ec, ed;
+       int pa, pb, pc, pd;
+       int qa, qb, qc, qd;
+       int lopa, lopb, lopc, lopd;
+       int hipa, hipb, hipc, hipd;
+       int loqa, loqb, loqc, loqd;
+       int hiqa, hiqb, hiqc, hiqd;
+
+       ea = (int) c1->e;
+       eb = (int) c2->e;
+       ec = (int) c3->e;
+       ed = (int) c4->e;
+       if (ea >= 0)
+               (void) printf("ea = %d\n", ea);
+       if (!is_quad(ea,eb,ec,ed))
+               (void) printf("Error not quad %d %d %d %d\n", ea, eb, ec, ed);
+       lopa = loqa = ea;
+       hipa = hiqa = 0;
+       FOR(a) {
+               B(b); B(c); B(d);
+               if (H(a) && UNIT(a)) FOR(b) {
+                       if (H(b) && T(a,b)) FOR(c) {
+                               if (H(c) && T(a,c) && T(b,c)) FOR(d) {
+                                 if (H(d) && T(a,d) && T(b,d) && T(c,d)) {
+                                   c1->s = geom(spherical, ea, pa, qa);
+                                   c1->h = geom(hyperbolic, ea, pa, qa);
+                                   c2->s = geom(spherical, eb, pb, qb);
+                                   c2->h = geom(hyperbolic, eb, pb, qb);
+                                   c3->s = geom(spherical, ec, pc, qc);
+                                   c3->h = geom(hyperbolic, ec, pc, qc);
+                                   c4->s = geom(spherical, ed, pd, qd);
+                                   c4->h = geom(hyperbolic, ed, pd, qd);
+                                 }
+                               }
+                       }
+               }
+       }
+}
+
+static void
+p(ModeInfo *mi, circle c)
+{
+       apollonianstruct *cp = &apollonians[MI_SCREEN(mi)];
+       char string[10];
+       double g, e;
+       int g_width;
+
+#ifdef DEBUG
+       (void) printf("c.e=%g c.s=%g c.h=%g  c.x=%g c.y=%g\n",
+               c.e, c.s, c.h, c.x, c.y);
+#endif
+       g = (cp->geometry == spherical) ? c.s : (cp->geometry == hyperbolic) ?
+               c.h : c.e;
+       if (c.e < 0.0) {
+               if (g < 0.0)
+                       g = -g;
+               if (MI_NPIXELS(mi) <= 2)
+                       XSetForeground(MI_DISPLAY(mi), MI_GC(mi),
+                               MI_WHITE_PIXEL(mi));
+               else
+                       XSetForeground(MI_DISPLAY(mi), MI_GC(mi),
+                               MI_PIXEL(mi, ((int) ((g + cp->color_offset) *
+                                       g)) % MI_NPIXELS(mi)));
+               XDrawArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
+                       ((int) (cp->size * (-cp->c1.e) * (c.x - 1.0) /
+                               (-2.0 * c.e) + cp->size / 2.0 + cp->offset.x)),
+                       ((int) (cp->size * (-cp->c1.e) * (c.y - 1.0) /
+                               (-2.0 * c.e) + cp->size / 2.0 + cp->offset.y)),
+                       (int) (cp->c1.e * cp->size / c.e),
+                       (int) (cp->c1.e * cp->size / c.e), 0, 23040);
+               if (!cp->label) {
+#ifdef DEBUG
+                       (void) printf("%g\n", -g);
+#endif
+                       return;
+               }
+               (void) sprintf(string, "%g", (g == 0.0) ? 0 : -g);
+               if (cp->size >= 10 * FONT_WIDTH) {
+                 /* hard code these to corners */
+                 XDrawString(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
+                       ((int) (cp->size * c.x / (2.0 * c.e))) + cp->offset.x,
+                       ((int) (cp->size * c.y / (2.0 * c.e))) + FONT_HEIGHT,
+                       string, (g == 0.0) ? 1 : ((g < 10.0) ? 2 :
+                               ((g < 100.0) ? 3 : 4)));
+               }
+               if (cp->altgeom && MI_HEIGHT(mi) >= 30 * FONT_WIDTH) {
+                 XDrawString(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
+                       ((int) (cp->size * c.x / (2.0 * c.e) + cp->offset.x)),
+                       ((int) (cp->size * c.y / (2.0 * c.e) + MI_HEIGHT(mi) -
+                       FONT_HEIGHT / 2)), space_string[cp->geometry],
+                       strlen(space_string[cp->geometry]));
+               }
+               return;
+       }
+       if (MI_NPIXELS(mi) <= 2)
+               XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_WHITE_PIXEL(mi));
+       else
+               XSetForeground(MI_DISPLAY(mi), MI_GC(mi),
+                       MI_PIXEL(mi, ((int) ((g + cp->color_offset) * g)) %
+                               MI_NPIXELS(mi)));
+       if (c.e == 0.0) {
+               if (c.x == 0.0 && c.y != 0.0) {
+                       XDrawLine(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
+                               0, (int) ((c.y + 1.0) * cp->size / 2.0 + cp->offset.y),
+                               MI_WIDTH(mi),
+                               (int) ((c.y + 1.0) * cp->size / 2.0 + cp->offset.y));
+               } else if (c.y == 0.0 && c.x != 0.0) {
+                       XDrawLine(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
+                               (int) ((c.x + 1.0) * cp->size / 2.0 + cp->offset.x), 0,
+                               (int) ((c.x + 1.0) * cp->size / 2.0 + cp->offset.x),
+                               MI_HEIGHT(mi));
+               }
+               return;
+       }
+       e = (cp->c1.e >= 0.0) ? 1.0 : -cp->c1.e;
+       XFillArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
+               ((int) (cp->size * e * (c.x - 1.0) / (2.0 * c.e) +
+                       cp->size / 2.0 + cp->offset.x)),
+               ((int) (cp->size * e * (c.y - 1.0) / (2.0 * c.e) +
+                       cp->size / 2.0 + cp->offset.y)),
+               (int) (e * cp->size / c.e), (int) (e * cp->size / c.e),
+               0, 23040);
+       if (!cp->label) {
+#ifdef DEBUG
+               (void) printf("%g\n", g);
+#endif
+               return;
+       }
+       if (MI_NPIXELS(mi) <= 2)
+               XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_BLACK_PIXEL(mi));
+       else
+               XSetForeground(MI_DISPLAY(mi), MI_GC(mi),
+                       MI_PIXEL(mi, ((int) ((g + cp->color_offset) * g) +
+                               MI_NPIXELS(mi) / 2) % MI_NPIXELS(mi)));
+       g_width = (g < 10.0) ? 1: ((g < 100.0) ? 2 : 3);
+       if (c.e < e * cp->size / (FONT_LENGTH + 5 * g_width) && g < 1000.0) {
+               (void) sprintf(string, "%g", g);
+               XDrawString(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
+                       ((int) (cp->size * e * c.x / (2.0 * c.e) +
+                               cp->size / 2.0 + cp->offset.x)) -
+                               g_width * FONT_WIDTH / 2,
+                       ((int) (cp->size * e * c.y / (2.0 * c.e) +
+                               cp->size / 2.0 + cp->offset.y)) +
+                               FONT_HEIGHT / 2,
+                       string, g_width);
+        }
+}
+
+#define BIG 7
+static void
+f(ModeInfo *mi, circle c1, circle c2, circle c3, circle c4)
+{
+       apollonianstruct *cp = &apollonians[MI_SCREEN(mi)];
+       int e = (int) ((cp->c1.e >= 0.0) ? 1.0 : -cp->c1.e);
+        circle c;
+
+        c.e = 2*(c1.e+c2.e+c3.e) - c4.e;
+        c.s = 2*(c1.s+c2.s+c3.s) - c4.s;
+        c.h = 2*(c1.h+c2.h+c3.h) - c4.h;
+        c.x = 2*(c1.x+c2.x+c3.x) - c4.x;
+        c.y = 2*(c1.y+c2.y+c3.y) - c4.y;
+        if (c.e > cp->size * e || c.x / c.e > BIG || c.y / c.e > BIG ||
+            c.x / c.e < -BIG || c.y / c.e < -BIG)
+                return;
+        p(mi, c);
+        f(mi, c2, c3, c, c1);
+        f(mi, c1, c3, c, c2);
+        f(mi, c1, c2, c, c3);
+}
+
+static void
+free_apollonian(Display *display, apollonianstruct *cp)
+{
+       if (cp->quad != NULL) {
+               (void) free((void *) cp->quad);
+               cp->quad = (apollonian_quadruple *) NULL;
+       }
+#ifdef DOFONT
+       if (cp->gc != None) {
+               XFreeGC(display, cp->gc);
+               cp->gc = None;
+       }
+       if (cp->font != None) {
+               XFreeFont(display, cp->font);
+               cp->font = None;
+       }
+#endif
+}
+
+#ifndef DEBUG
+void
+randomize_c(int randomize, circle * c)
+{
+  if (randomize / 2) {
+    double temp;
+
+    temp = c->x;
+    c->x = c->y;
+    c->y = temp;
+  }
+  if (randomize % 2) {
+    c->x = -c->x;
+    c->y = -c->y;
+  }
+}
+#endif
+
+void
+init_apollonian(ModeInfo * mi)
+{
+       apollonianstruct *cp;
+       int i;
+
+       if (apollonians == NULL) {
+               if ((apollonians = (apollonianstruct *) calloc(MI_NUM_SCREENS(mi),
+                                            sizeof (apollonianstruct))) == NULL)
+                       return;
+       }
+       cp = &apollonians[MI_SCREEN(mi)];
+
+       cp->size = MAX(MIN(MI_WIDTH(mi), MI_HEIGHT(mi)) - 1, 1);
+       cp->offset.x = (MI_WIDTH(mi) - cp->size) / 2;
+       cp->offset.y = (MI_HEIGHT(mi) - cp->size) / 2;
+       cp->color_offset = NRAND(MI_NPIXELS(mi));
+
+#ifdef DOFONT
+       if (cp->font == None) {
+               if ((cp->font = getFont(MI_DISPLAY(mi))) == None)
+                       return False;
+       }
+#endif
+       cp->label = label;
+       cp->altgeom = cp->label && altgeom;
+
+       if (cp->quad == NULL) {
+               cp->count = ABS(MI_COUNT(mi));
+               if ((cp->quad = (apollonian_quadruple *) malloc(cp->count *
+                       sizeof (apollonian_quadruple))) == NULL) {
+                       return;
+               }
+               dquad(cp->count, cp->quad);
+       }
+       cp->game = NRAND(PREDEF_CIRCLE_GAMES + cp->count);
+       cp->geometry = (cp->game && cp->altgeom) ? NRAND(3) : 0;
+
+       if (cp->game < PREDEF_CIRCLE_GAMES) {   
+               cp->c1 = examples[cp->game][0];
+               cp->c2 = examples[cp->game][1];
+               cp->c3 = examples[cp->game][2];
+               cp->c4 = examples[cp->game][3];
+               /* do not label non int */
+               cp->label = cp->label && (cp->c4.e == (int) cp->c4.e);
+       } else { /* uses results of dquad, all int */
+               i = cp->game - PREDEF_CIRCLE_GAMES;
+               cp->c1.e = cp->quad[i].a;
+               cp->c2.e = cp->quad[i].b;
+               cp->c3.e = cp->quad[i].c;
+               cp->c4.e = cp->quad[i].d;
+               if (cp->geometry)
+                       cquad(&(cp->c1), &(cp->c2), &(cp->c3), &(cp->c4));
+       }
+       cp->time = 0;
+       MI_CLEARWINDOW(mi);
+       if (cp->game != 0) {
+               double q123;
+
+               if (cp->c1.e == 0.0 || cp->c1.e == -cp->c2.e)
+                       return;
+               cp->c1.x = 0.0;
+               cp->c1.y = 0.0;
+               cp->c2.x = -(cp->c1.e + cp->c2.e) / cp->c1.e;
+               cp->c2.y = 0;
+               q123 = sqrt(cp->c1.e * cp->c2.e + cp->c1.e * cp->c3.e +
+                       cp->c2.e * cp->c3.e);
+#ifdef DEBUG
+               (void) printf("q123 = %g, ", q123);
+#endif
+               cp->c3.x = (cp->c1.e * cp->c1.e - q123 * q123) / (cp->c1.e *
+                       (cp->c1.e + cp->c2.e));
+               cp->c3.y = -2.0 * q123 / (cp->c1.e + cp->c2.e);
+               q123 = -cp->c1.e - cp->c2.e + q123;
+               cp->c4.x = (cp->c1.e * cp->c1.e - q123 * q123) / (cp->c1.e *
+                       (cp->c1.e + cp->c2.e));
+               cp->c4.y = -2.0 * q123 / (cp->c1.e + cp->c2.e);
+#ifdef DEBUG
+               (void) printf("q124 = %g\n", q123);
+               (void) printf("%g %g %g %g %g %g %g %g\n",
+                       cp->c1.x, cp->c1.y, cp->c2.x, cp->c2.y,
+                       cp->c3.x, cp->c3.y, cp->c4.x, cp->c4.y);
+#endif
+       }
+#ifndef DEBUG
+       if (LRAND() & 1) {
+               cp->c3.y = -cp->c3.y;
+               cp->c4.y = -cp->c4.y;
+       }
+       i = NRAND(4);
+       randomize_c(i, &(cp->c1));
+       randomize_c(i, &(cp->c2));
+       randomize_c(i, &(cp->c3));
+       randomize_c(i, &(cp->c4));
+#endif 
+}
+
+void
+draw_apollonian(ModeInfo * mi)
+{
+       apollonianstruct *cp;
+
+       if (apollonians == NULL)
+               return;
+       cp = &apollonians[MI_SCREEN(mi)];
+
+
+       MI_IS_DRAWN(mi) = True;
+
+       if (cp->time < 5) {
+               switch (cp->time) {
+               case 0:
+                       p(mi, cp->c1);
+                       p(mi, cp->c2);
+                       p(mi, cp->c3);
+                       p(mi, cp->c4);
+                       break;
+               case 1:
+                       f(mi, cp->c1, cp->c2, cp->c3, cp->c4);
+                       break;
+               case 2:
+                       f(mi, cp->c1, cp->c2, cp->c4, cp->c3);
+                       break;
+               case 3:
+                       f(mi, cp->c1, cp->c3, cp->c4, cp->c2);
+                       break;
+               case 4:
+                       f(mi, cp->c2, cp->c3, cp->c4, cp->c1);
+               }
+       }
+       if (++cp->time > MI_CYCLES(mi))
+      {
+#ifdef STANDALONE
+        erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
+#endif /* STANDALONE */
+               init_apollonian(mi);
+      }
+}
+
+void
+release_apollonian(ModeInfo * mi)
+{
+       if (apollonians != NULL) {
+               int         screen;
+
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_apollonian(MI_DISPLAY(mi), &apollonians[screen]);
+               (void) free((void *) apollonians);
+               apollonians = (apollonianstruct *) NULL;
+       }
+}
+
+#endif /* MODE_apollonian */
diff --git a/hacks/blitspin.c b/hacks/blitspin.c

index 1c5272537718321a6dc68c84d9206c324ef7ec12..ec31aa09875d8fe41326f4c2c37e8c66b6cb4147 100644 (file)
--- a/hacks/blitspin.c
+++ b/hacks/blitspin.c
@@ -25,23 +25,9 @@
   */
  
  #include "screenhack.h"
   */
  
  #include "screenhack.h"
+#include "xpm-pixmap.h"
  #include <stdio.h>
  
  #include <stdio.h>
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-# ifndef PIXEL_ALREADY_TYPEDEFED
-#  define PIXEL_ALREADY_TYPEDEFED /* Sigh, Xmu/Drawing.h needs this... */
-# endif
-#endif
-
-#ifdef HAVE_XMU
-# ifndef VMS
-#  include <X11/Xmu/Drawing.h>
-#else  /* VMS */
-#  include <Xmu/Drawing.h>
-# endif /* VMS */
-#endif
-
  #include "images/som.xbm"
  
  static Display *dpy;
  #include "images/som.xbm"
  
  static Display *dpy;
@@ -93,93 +79,6 @@ rotate (void)
      }
  }
  
      }
  }
  
-static void
-read_bitmap (char *bitmap_name, int *widthP, int *heightP)
-{
-#ifdef HAVE_XPM
-  XWindowAttributes xgwa;
-  XpmAttributes xpmattrs;
-  int result;
-  xpmattrs.valuemask = 0;
-  bitmap = 0;
-
-  XGetWindowAttributes (dpy, window, &xgwa);
-
-# ifdef XpmCloseness
-  xpmattrs.valuemask |= XpmCloseness;
-  xpmattrs.closeness = 40000;
-# endif
-# ifdef XpmVisual
-  xpmattrs.valuemask |= XpmVisual;
-  xpmattrs.visual = xgwa.visual;
-# endif
-# ifdef XpmDepth
-  xpmattrs.valuemask |= XpmDepth;
-  xpmattrs.depth = xgwa.depth;
-# endif
-# ifdef XpmColormap
-  xpmattrs.valuemask |= XpmColormap;
-  xpmattrs.colormap = xgwa.colormap;
-# endif
-
-  result = XpmReadFileToPixmap (dpy, window, bitmap_name, &bitmap, 0,
-                               &xpmattrs);
-  switch (result)
-    {
-    case XpmColorError:
-      fprintf (stderr, "%s: warning: xpm color substitution performed\n",
-              progname);
-      /* fall through */
-    case XpmSuccess:
-      *widthP = xpmattrs.width;
-      *heightP = xpmattrs.height;
-      break;
-    case XpmFileInvalid:
-    case XpmOpenFailed:
-      bitmap = 0;
-      break;
-    case XpmColorFailed:
-      fprintf (stderr, "%s: xpm: color allocation failed\n", progname);
-      exit (-1);
-    case XpmNoMemory:
-      fprintf (stderr, "%s: xpm: out of memory\n", progname);
-      exit (-1);
-    default:
-      fprintf (stderr, "%s: xpm: unknown error code %d\n", progname, result);
-      exit (-1);
-    }
-  if (! bitmap)
-#endif
-
-#ifdef HAVE_XMU
-    {
-      int xh, yh;
-      Pixmap b2;
-      bitmap = XmuLocateBitmapFile (DefaultScreenOfDisplay (dpy), bitmap_name,
-                                   0, 0, widthP, heightP, &xh, &yh);
-      if (! bitmap)
-       {
-         fprintf (stderr, "%s: couldn't find bitmap %s\n", progname,
-                  bitmap_name);
-         exit (1);
-       }
-      b2 = XmuCreatePixmapFromBitmap (dpy, window, bitmap, *widthP, *heightP,
-                                     depth, fg, bg);
-      XFreePixmap (dpy, bitmap);
-      bitmap = b2;
-    }
-#else  /* !XMU */
-    {
-      fprintf (stderr,
-              "%s: your vendor doesn't ship the standard Xmu library.\n",
-              progname);
-      fprintf (stderr, "\tWe can't load XBM files without it.\n");
-      exit (1);
-    }
-#endif /* !XMU */
-}
-
-
  static Pixmap
  read_screen (Display *dpy, Window window, int *widthP, int *heightP)
  {
  static Pixmap
  read_screen (Display *dpy, Window window, int *widthP, int *heightP)
  {
@@ -262,7 +161,8 @@ init (void)
      }
    else
      {
      }
    else
      {
-      read_bitmap (bitmap_name, &width, &height);
+      bitmap = xpm_file_to_pixmap (dpy, window, bitmap_name,
+                                   &width, &height, 0);
        scale_up = True; /* probably? */
      }
  
        scale_up = True; /* probably? */
      }
  
@@ -314,12 +214,10 @@ display (Pixmap pixmap)
        last_w = xgwa.width;
        last_h = xgwa.height;
      }
        last_w = xgwa.width;
        last_h = xgwa.height;
      }
-#ifdef HAVE_XPM
    if (depth != 1)
      XCopyArea (dpy, pixmap, window, gc, 0, 0, size, size,
                (xgwa.width-size)>>1, (xgwa.height-size)>>1);
    else
    if (depth != 1)
      XCopyArea (dpy, pixmap, window, gc, 0, 0, size, size,
                (xgwa.width-size)>>1, (xgwa.height-size)>>1);
    else
-#endif
      XCopyPlane (dpy, pixmap, window, gc, 0, 0, size, size,
                 (xgwa.width-size)>>1, (xgwa.height-size)>>1, 1);
  /*
      XCopyPlane (dpy, pixmap, window, gc, 0, 0, size, size,
                 (xgwa.width-size)>>1, (xgwa.height-size)>>1, 1);
  /*
diff --git a/hacks/braid.c b/hacks/braid.c

index 9d9c4e5fd37d7191520da055279ae13f4e204f3e..55e4fa7ea77ba6d023b15bd4a4651318fdc8c7d4 100644 (file)
--- a/hacks/braid.c
+++ b/hacks/braid.c
@@ -1,11 +1,15 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * braid --- draws random color-cyling rotating braids around a circle.
+/* -*- Mode: C; tab-width: 4 -*- */
+/*-
+ * braid --- random braids around a circle and then changes the color in
+ *           a rotational pattern
   */
   */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)braid.c      4.00 97/01/01 xlockmore";
+static const char sccsid[] = "@(#)braid.c      5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/*
+/*-
   * Copyright (c) 1995 by John Neil.
   *
   * Permission to use, copy, modify, and distribute this software and its
   * Copyright (c) 1995 by John Neil.
   *
   * Permission to use, copy, modify, and distribute this software and its
@@ -21,31 +25,44 @@ static const char sccsid[] = "@(#)braid.c   4.00 97/01/01 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- * 01-Sep-95: color knotted components differently, J. Neil.
- * 29-Aug-95: Written.  John Neil <neil@math.idbsu.edu>
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Jamie Zawinski <jwz@jwz.org> compatible with xscreensaver
+ * 01-Sep-1995: color knotted components differently, J. Neil.
+ * 29-Aug-1995: Written.  John Neil <neil@math.idbsu.edu>
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Braid"
-# define HACK_INIT                                     init_braid
-# define HACK_DRAW                                     draw_braid
-# define braid_opts                                    xlockmore_opts
-# define DEFAULTS      "*count:                15    \n"                       \
-                                       "*size:            -7     \n"                   \
-                                       "*cycles:               100   \n"                       \
-                                       "*delay:                1000  \n"                       \
-                                       "*ncolors:              64    \n"
-# define UNIFORM_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-# include "erase.h"
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-ModeSpecOpt braid_opts = {
-  0, NULL, 0, NULL, NULL };
+#define MODE_braid
+#define PROGCLASS "Braid"
+#define HACK_INIT init_braid
+#define HACK_DRAW draw_braid
+#define braid_opts xlockmore_opts
+#define DEFAULTS "*delay: 1000 \n" \
+ "*count: 15 \n" \
+ "*cycles: 100 \n" \
+ "*size: -7 \n" \
+ "*ncolors: 64 \n"
+#define UNIFORM_COLORS
+#include "xlockmore.h"
+#include "erase.h"
+#else /* STANDALONE */
+#include "xlock.h"
+
+#endif /* STANDALONE */
+
+#ifdef MODE_braid
+
+ModeSpecOpt braid_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   braid_description =
+{"braid", "init_braid", "draw_braid", "release_braid",
+ "refresh_braid", "init_braid", (char *) NULL, &braid_opts,
+ 1000, 15, 100, 1, 64, 1.0, "",
+ "Shows random braids and knots", 0, NULL};
  
  
+#endif
  
  #if defined( COLORROUND ) && defined( COLORCOMP )
  #undef COLORROUND
  
  #if defined( COLORROUND ) && defined( COLORCOMP )
  #undef COLORROUND
@@ -72,6 +89,7 @@ ModeSpecOpt braid_opts = {
  #define FLOATRAND(min,max) ((min)+((double) LRAND()/((double) MAXRAND))*((max)-(min)))
  
  typedef struct {
  #define FLOATRAND(min,max) ((min)+((double) LRAND()/((double) MAXRAND))*((max)-(min)))
  
  typedef struct {
+       int         linewidth;
         int         braidword[MAXLENGTH];
         int         components[MAXSTRANDS];
         int         startcomp[MAXLENGTH][MAXSTRANDS];
         int         braidword[MAXLENGTH];
         int         components[MAXSTRANDS];
         int         startcomp[MAXLENGTH][MAXSTRANDS];
@@ -84,10 +102,10 @@ typedef struct {
         float       max_radius;
         float       top, bottom, left, right;
         int         age;
         float       max_radius;
         float       top, bottom, left, right;
         int         age;
-    int         color_direction;
+       int         color_direction;
  } braidtype;
  
  } braidtype;
  
-static braidtype *braids = NULL;
+static braidtype *braids = (braidtype *) NULL;
  
  static int
  applyword(braidtype * braid, int string, int position)
  
  static int
  applyword(braidtype * braid, int string, int position)
@@ -147,7 +165,6 @@ applywordbackto(braidtype * braid, int string, int position)
  void
  init_braid(ModeInfo * mi)
  {
  void
  init_braid(ModeInfo * mi)
  {
-       Display    *display = MI_DISPLAY(mi);
         braidtype  *braid;
         int         used[MAXSTRANDS];
         int         i, count, comp, c;
         braidtype  *braid;
         int         used[MAXSTRANDS];
         int         i, count, comp, c;
@@ -160,25 +177,26 @@ init_braid(ModeInfo * mi)
         }
         braid = &braids[MI_SCREEN(mi)];
  
         }
         braid = &braids[MI_SCREEN(mi)];
  
-       braid->center_x = MI_WIN_WIDTH(mi) / 2;
-       braid->center_y = MI_WIN_HEIGHT(mi) / 2;
+       braid->center_x = MI_WIDTH(mi) / 2;
+       braid->center_y = MI_HEIGHT(mi) / 2;
         braid->age = 0;
  
         /* jwz: go in the other direction sometimes. */
         braid->color_direction = ((LRAND() & 1) ? 1 : -1);
         braid->age = 0;
  
         /* jwz: go in the other direction sometimes. */
         braid->color_direction = ((LRAND() & 1) ? 1 : -1);
-       XClearWindow(display, MI_WINDOW(mi));
+
+       MI_CLEARWINDOW(mi);
  
         min_length = (braid->center_x > braid->center_y) ?
                 braid->center_y : braid->center_x;
         braid->min_radius = min_length * 0.30;
         braid->max_radius = min_length * 0.90;
  
  
         min_length = (braid->center_x > braid->center_y) ?
                 braid->center_y : braid->center_x;
         braid->min_radius = min_length * 0.30;
         braid->max_radius = min_length * 0.90;
  
-       if (MI_BATCHCOUNT(mi) < MINSTRANDS)
+       if (MI_COUNT(mi) < MINSTRANDS)
                 braid->nstrands = MINSTRANDS;
         else
                 braid->nstrands = INTRAND(MINSTRANDS,
                 braid->nstrands = MINSTRANDS;
         else
                 braid->nstrands = INTRAND(MINSTRANDS,
-                                 MAX(MIN(MIN(MAXSTRANDS, MI_BATCHCOUNT(mi)),
-                                         (int) ((braid->max_radius - braid->min_radius) / 5.0)), MINSTRANDS));
+                                      MAX(MIN(MIN(MAXSTRANDS, MI_COUNT(mi)),
+                                              (int) ((braid->max_radius - braid->min_radius) / 5.0)), MINSTRANDS));
         braid->braidlength = INTRAND(MINLENGTH, MIN(MAXLENGTH, braid->nstrands * 6));
  
         for (i = 0; i < braid->braidlength; i++) {
         braid->braidlength = INTRAND(MINLENGTH, MIN(MAXLENGTH, braid->nstrands * 6));
  
         for (i = 0; i < braid->braidlength; i++) {
@@ -214,7 +232,7 @@ init_braid(ModeInfo * mi)
  
         braid->startcolor = (MI_NPIXELS(mi) > 2) ?
                 (float) NRAND(MI_NPIXELS(mi)) : 0.0;
  
         braid->startcolor = (MI_NPIXELS(mi) > 2) ?
                 (float) NRAND(MI_NPIXELS(mi)) : 0.0;
-       /* XSetLineAttributes (display, MI_GC(mi), 2, LineSolid, CapRound, 
+       /* XSetLineAttributes (display, MI_GC(mi), 2, LineSolid, CapRound,
            JoinRound); */
  
         (void) memset((char *) braid->components, 0, sizeof (braid->components));
            JoinRound); */
  
         (void) memset((char *) braid->components, 0, sizeof (braid->components));
@@ -237,21 +255,12 @@ init_braid(ModeInfo * mi)
                 }
         } while (count > 0);
  
                 }
         } while (count > 0);
  
-       {
-         int line_width = MI_SIZE(mi);
-         if (line_width == 0)
-               line_width = -8;
-         if (line_width < 0)
-               line_width = NRAND(-line_width)+1;
-         if (line_width == 1)
-               line_width = 0;
-         XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), line_width,
-                                                LineSolid,
-                                                (line_width <= 3 ? CapButt : CapRound),
-                                                JoinMiter);
-       }
-
+       braid->linewidth = MI_SIZE(mi);
  
  
+       if (braid->linewidth < 0)
+               braid->linewidth = NRAND(-braid->linewidth) + 1;
+       if (braid->linewidth * braid->linewidth * 8 > MIN(MI_WIDTH(mi), MI_HEIGHT(mi)))
+       braid->linewidth = MIN(1, (int) sqrt((double) MIN(MI_WIDTH(mi), MI_HEIGHT(mi)) / 8));
         for (i = 0; i < braid->nstrands; i++)
                 if (!(braid->components[i] & 1))
                         braid->components[i] *= -1;
         for (i = 0; i < braid->nstrands; i++)
                 if (!(braid->components[i] & 1))
                         braid->components[i] *= -1;
@@ -262,22 +271,31 @@ draw_braid(ModeInfo * mi)
  {
         Display    *display = MI_DISPLAY(mi);
         Window      window = MI_WINDOW(mi);
  {
         Display    *display = MI_DISPLAY(mi);
         Window      window = MI_WINDOW(mi);
-       braidtype  *braid = &braids[MI_SCREEN(mi)];
-       float       num_points, t_inc;
+       int         num_points = 500;
+       float       t_inc;
         float       theta, psi;
         float       t, r_diff;
         int         i, s;
         float       x_1, y_1, x_2, y_2, r1, r2;
         float       color, color_use = 0.0, color_inc;
         float       theta, psi;
         float       t, r_diff;
         int         i, s;
         float       x_1, y_1, x_2, y_2, r1, r2;
         float       color, color_use = 0.0, color_inc;
+       braidtype  *braid;
  
  
-       num_points = 500.0;
-       theta = (2.0 * M_PI) / (float) (braid->braidlength);
-       t_inc = (2.0 * M_PI) / num_points;
-       color_inc = (float) MI_NPIXELS(mi) / num_points;
-       color_inc *= braid->color_direction;
+       if (braids == NULL)
+               return;
+       braid = &braids[MI_SCREEN(mi)];
  
  
+       MI_IS_DRAWN(mi) = True;
+       XSetLineAttributes(display, MI_GC(mi), braid->linewidth,
+                          LineSolid,
+                          (braid->linewidth <= 3 ? CapButt : CapRound),
+                          JoinMiter);
+
+       theta = (2.0 * M_PI) / (float) (braid->braidlength);
+       t_inc = (2.0 * M_PI) / (float) num_points;
+       color_inc = (float) MI_NPIXELS(mi) * braid->color_direction /
+               (float) num_points;
         braid->startcolor += SPINRATE * color_inc;
         braid->startcolor += SPINRATE * color_inc;
-       if (braid->startcolor >= MI_NPIXELS(mi))
+       if (((int) braid->startcolor) >= MI_NPIXELS(mi))
                 braid->startcolor = 0.0;
  
         r_diff = (braid->max_radius - braid->min_radius) / (float) (braid->nstrands);
                 braid->startcolor = 0.0;
  
         r_diff = (braid->max_radius - braid->min_radius) / (float) (braid->nstrands);
@@ -289,7 +307,7 @@ draw_braid(ModeInfo * mi)
                 for (t = 0.0; t < theta; t += t_inc) {
  #ifdef COLORROUND
                         color += color_inc;
                 for (t = 0.0; t < theta; t += t_inc) {
  #ifdef COLORROUND
                         color += color_inc;
-                       if (color >= (float) (MI_NPIXELS(mi)))
+                       if (((int) color) >= MI_NPIXELS(mi))
                                 color = 0.0;
                         color_use = color;
  #endif
                                 color = 0.0;
                         color_use = color;
  #endif
@@ -303,16 +321,16 @@ draw_braid(ModeInfo * mi)
                                                 color_use = color + SPINRATE *
                                                         braid->components[applywordbackto(braid, s, i)] +
                                                         (psi + t) / 2.0 / M_PI * (float) MI_NPIXELS(mi);
                                                 color_use = color + SPINRATE *
                                                         braid->components[applywordbackto(braid, s, i)] +
                                                         (psi + t) / 2.0 / M_PI * (float) MI_NPIXELS(mi);
-                                               while (color_use >= (float) MI_NPIXELS(mi))
+                                               while (((int) color_use) >= MI_NPIXELS(mi))
                                                         color_use -= (float) MI_NPIXELS(mi);
                                                         color_use -= (float) MI_NPIXELS(mi);
-                                               while (color_use < 0.0)
+                                               while (((int) color_use) < 0)
                                                         color_use += (float) MI_NPIXELS(mi);
                                         }
  #endif
  #ifdef COLORROUND
                                         if (MI_NPIXELS(mi) > 2) {
                                                 color_use += SPINRATE * color_inc;
                                                         color_use += (float) MI_NPIXELS(mi);
                                         }
  #endif
  #ifdef COLORROUND
                                         if (MI_NPIXELS(mi) > 2) {
                                                 color_use += SPINRATE * color_inc;
-                                               while (color_use >= (float) (MI_NPIXELS(mi)))
+                                               while (((int) color_use) >= MI_NPIXELS(mi))
                                                         color_use -= (float) MI_NPIXELS(mi);
                                         }
  #endif
                                                         color_use -= (float) MI_NPIXELS(mi);
                                         }
  #endif
@@ -335,7 +353,7 @@ draw_braid(ModeInfo * mi)
                                                 if (MI_NPIXELS(mi) > 2)
                                                         XSetForeground(display, MI_GC(mi), MI_PIXEL(mi, (int) color_use));
                                                 else
                                                 if (MI_NPIXELS(mi) > 2)
                                                         XSetForeground(display, MI_GC(mi), MI_PIXEL(mi, (int) color_use));
                                                 else
-                                                       XSetForeground(display, MI_GC(mi), MI_WIN_WHITE_PIXEL(mi));
+                                                       XSetForeground(display, MI_GC(mi), MI_WHITE_PIXEL(mi));
  
                                                 XDrawLine(display, window, MI_GC(mi),
                                                           (int) (x_1), (int) (y_1), (int) (x_2), (int) (y_2));
  
                                                 XDrawLine(display, window, MI_GC(mi),
                                                           (int) (x_1), (int) (y_1), (int) (x_2), (int) (y_2));
@@ -345,9 +363,9 @@ draw_braid(ModeInfo * mi)
                                                 color_use = color + SPINRATE *
                                                         braid->components[applywordbackto(braid, s + 1, i)] +
                                                         (psi + t) / 2.0 / M_PI * (float) MI_NPIXELS(mi);
                                                 color_use = color + SPINRATE *
                                                         braid->components[applywordbackto(braid, s + 1, i)] +
                                                         (psi + t) / 2.0 / M_PI * (float) MI_NPIXELS(mi);
-                                               while (color_use >= (float) MI_NPIXELS(mi))
+                                               while (((int) color_use) >= MI_NPIXELS(mi))
                                                         color_use -= (float) MI_NPIXELS(mi);
                                                         color_use -= (float) MI_NPIXELS(mi);
-                                               while (color_use < 0.0)
+                                               while (((int) color_use) < 0)
                                                         color_use += (float) MI_NPIXELS(mi);
                                         }
  #endif
                                                         color_use += (float) MI_NPIXELS(mi);
                                         }
  #endif
@@ -368,7 +386,7 @@ draw_braid(ModeInfo * mi)
                                                 if (MI_NPIXELS(mi) > 2)
                                                         XSetForeground(display, MI_GC(mi), MI_PIXEL(mi, (int) color_use));
                                                 else
                                                 if (MI_NPIXELS(mi) > 2)
                                                         XSetForeground(display, MI_GC(mi), MI_PIXEL(mi, (int) color_use));
                                                 else
-                                                       XSetForeground(display, MI_GC(mi), MI_WIN_WHITE_PIXEL(mi));
+                                                       XSetForeground(display, MI_GC(mi), MI_WHITE_PIXEL(mi));
  
                                                 XDrawLine(display, window, MI_GC(mi),
                                                           (int) (x_1), (int) (y_1), (int) (x_2), (int) (y_2));
  
                                                 XDrawLine(display, window, MI_GC(mi),
                                                           (int) (x_1), (int) (y_1), (int) (x_2), (int) (y_2));
@@ -380,16 +398,16 @@ draw_braid(ModeInfo * mi)
                                                 color_use = color + SPINRATE *
                                                         braid->components[applywordbackto(braid, s, i)] +
                                                         (psi + t) / 2.0 / M_PI * (float) MI_NPIXELS(mi);
                                                 color_use = color + SPINRATE *
                                                         braid->components[applywordbackto(braid, s, i)] +
                                                         (psi + t) / 2.0 / M_PI * (float) MI_NPIXELS(mi);
-                                               while (color_use >= (float) MI_NPIXELS(mi))
+                                               while (((int) color_use) >= MI_NPIXELS(mi))
                                                         color_use -= (float) MI_NPIXELS(mi);
                                                         color_use -= (float) MI_NPIXELS(mi);
-                                               while (color_use < 0.0)
+                                               while (((int) color_use) < 0)
                                                         color_use += (float) MI_NPIXELS(mi);
                                         }
  #endif
  #ifdef COLORROUND
                                         if (MI_NPIXELS(mi) > 2) {
                                                 color_use += SPINRATE * color_inc;
                                                         color_use += (float) MI_NPIXELS(mi);
                                         }
  #endif
  #ifdef COLORROUND
                                         if (MI_NPIXELS(mi) > 2) {
                                                 color_use += SPINRATE * color_inc;
-                                               while (color_use >= (float) MI_NPIXELS(mi))
+                                               while (((int) color_use) >= MI_NPIXELS(mi))
                                                         color_use -= (float) MI_NPIXELS(mi);
                                         }
  #endif
                                                         color_use -= (float) MI_NPIXELS(mi);
                                         }
  #endif
@@ -401,7 +419,7 @@ draw_braid(ModeInfo * mi)
                                         if (MI_NPIXELS(mi) > 2)
                                                 XSetForeground(display, MI_GC(mi), MI_PIXEL(mi, (int) color_use));
                                         else
                                         if (MI_NPIXELS(mi) > 2)
                                                 XSetForeground(display, MI_GC(mi), MI_PIXEL(mi, (int) color_use));
                                         else
-                                               XSetForeground(display, MI_GC(mi), MI_WIN_WHITE_PIXEL(mi));
+                                               XSetForeground(display, MI_GC(mi), MI_WHITE_PIXEL(mi));
  
                                         XDrawLine(display, window, MI_GC(mi),
                                                   (int) (x_1), (int) (y_1), (int) (x_2), (int) (y_2));
  
                                         XDrawLine(display, window, MI_GC(mi),
                                                   (int) (x_1), (int) (y_1), (int) (x_2), (int) (y_2));
@@ -409,12 +427,13 @@ draw_braid(ModeInfo * mi)
                         }
                 }
         }
                         }
                 }
         }
+       XSetLineAttributes(display, MI_GC(mi), 1, LineSolid, CapNotLast, JoinRound);
  
         if (++braid->age > MI_CYCLES(mi)) {
  #ifdef STANDALONE
           erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
  #endif
  
         if (++braid->age > MI_CYCLES(mi)) {
  #ifdef STANDALONE
           erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
  #endif
-         init_braid(mi);
+               init_braid(mi);
         }
  }
  
         }
  }
  
@@ -423,12 +442,14 @@ release_braid(ModeInfo * mi)
  {
         if (braids != NULL) {
                 (void) free((void *) braids);
  {
         if (braids != NULL) {
                 (void) free((void *) braids);
-               braids = NULL;
+               braids = (braidtype *) NULL;
         }
  }
  
  void
  refresh_braid(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_braid(ModeInfo * mi)
  {
-       /* Do nothing, it will refresh by itself */
+       MI_CLEARWINDOW(mi);
  }
  }
+
+#endif /* MODE_braid */
diff --git a/hacks/bsod.c b/hacks/bsod.c

index e86efe267677fd4462f7e83ecd7e5bd3121abcf6..8178dd4656328398c9eeb7e5dcdb0f053bfcab51 100644 (file)
--- a/hacks/bsod.c
+++ b/hacks/bsod.c
@@ -19,19 +19,17 @@
   */
  
  #include "screenhack.h"
   */
  
  #include "screenhack.h"
+#include "xpm-pixmap.h"
  #include <stdio.h>
  #include <X11/Xutil.h>
  
  #include <stdio.h>
  #include <X11/Xutil.h>
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-# include "images/amiga.xpm"
-#endif
  
  
+#include "images/amiga.xpm"
  #include "images/atari.xbm"
  #include "images/mac.xbm"
  
  
  #include "images/atari.xbm"
  #include "images/mac.xbm"
  
  
-static void
+static int
  draw_string (Display *dpy, Window window, GC gc, XGCValues *gcv,
              XFontStruct *font,
              int xoff, int yoff,
  draw_string (Display *dpy, Window window, GC gc, XGCValues *gcv,
              XFontStruct *font,
              int xoff, int yoff,
@@ -117,6 +115,8 @@ draw_string (Display *dpy, Window window, GC gc, XGCValues *gcv,
         }
        s++;
      }
         }
        s++;
      }
+
+  return width * char_width;
  }
  
  
  }
  
  
@@ -665,6 +665,8 @@ amiga (Display *dpy, Window window, int delay)
    unsigned long fg, bg, bg2;
    Pixmap pixmap = 0;
    int pix_w = 0, pix_h = 0;
    unsigned long fg, bg, bg2;
    Pixmap pixmap = 0;
    int pix_w = 0, pix_h = 0;
+  int string_width;
+  int margin;
  
    const char *string =
      ("_Software failure.  Press left mouse button to continue.\n"
  
    const char *string =
      ("_Software failure.  Press left mouse button to continue.\n"
@@ -703,37 +705,10 @@ amiga (Display *dpy, Window window, int delay)
  
    height = (font->ascent + font->descent) * 6;
  
  
    height = (font->ascent + font->descent) * 6;
  
-#ifdef HAVE_XPM
-  {
-    XpmAttributes xpmattrs;
-    int result;
-    xpmattrs.valuemask = 0;
-
-# ifdef XpmCloseness
-    xpmattrs.valuemask |= XpmCloseness;
-    xpmattrs.closeness = 40000;
-# endif
-# ifdef XpmVisual
-    xpmattrs.valuemask |= XpmVisual;
-    xpmattrs.visual = xgwa.visual;
-# endif
-# ifdef XpmDepth
-    xpmattrs.valuemask |= XpmDepth;
-    xpmattrs.depth = xgwa.depth;
-# endif
-# ifdef XpmColormap
-    xpmattrs.valuemask |= XpmColormap;
-    xpmattrs.colormap = xgwa.colormap;
-# endif
-
-    result = XpmCreatePixmapFromData(dpy, window, amiga_hand,
-                                    &pixmap, 0 /* mask */, &xpmattrs);
-    if (!pixmap || (result != XpmSuccess && result != XpmColorError))
-      pixmap = 0;
-    pix_w = xpmattrs.width;
-    pix_h = xpmattrs.height;
-  }
-#endif /* HAVE_XPM */
+#if defined(HAVE_GDK_PIXBUF) || defined (HAVE_XPM)
+  pixmap = xpm_data_to_pixmap (dpy, window, (char **) amiga_hand,
+                               &pix_w, &pix_h, 0);
+#endif /* HAVE_GDK_PIXBUF || HAVE_XPM */
  
    if (pixmap && xgwa.height > 600)     /* scale up the bitmap */
      {
  
    if (pixmap && xgwa.height > 600)     /* scale up the bitmap */
      {
@@ -758,18 +733,24 @@ amiga (Display *dpy, Window window, int delay)
      }
  
    XFillRectangle(dpy, window, gc2, 0, 0, xgwa.width, height);
      }
  
    XFillRectangle(dpy, window, gc2, 0, 0, xgwa.width, height);
-  draw_string(dpy, window, gc, &gcv, font, 0, 0, xgwa.width, height, string,0);
-
+  margin = font->ascent;
+  string_width = draw_string(dpy, window, gc, &gcv, font,
+                             margin, 0,
+                             xgwa.width - (margin * 2), height,
+                             string, 0);
    {
      GC gca = gc;
      while (delay > 0)
        {
    {
      GC gca = gc;
      while (delay > 0)
        {
-       XFillRectangle(dpy, window, gca, 0, 0, xgwa.width, font->ascent);
-       XFillRectangle(dpy, window, gca, 0, 0, font->ascent, height);
-       XFillRectangle(dpy, window, gca, xgwa.width-font->ascent, 0,
-                      font->ascent, height);
-       XFillRectangle(dpy, window, gca, 0, height-font->ascent, xgwa.width,
-                      font->ascent);
+        int x2;
+       XFillRectangle(dpy, window, gca, 0, 0, xgwa.width, margin);
+       XFillRectangle(dpy, window, gca, 0, 0, margin, height);
+        XFillRectangle(dpy, window, gca,
+                       0, height - margin, xgwa.width, margin);
+        x2 = margin + string_width;
+        if (x2 < xgwa.width - margin) x2 = xgwa.width - margin;
+        XFillRectangle(dpy, window, gca, x2, 0, margin, height);
+
         gca = (gca == gc ? gc2 : gc);
         XSync(dpy, False);
         if (bsod_sleep(dpy, 1))
         gca = (gca == gc ? gc2 : gc);
         XSync(dpy, False);
         if (bsod_sleep(dpy, 1))
diff --git a/hacks/bubbles-default.c b/hacks/bubbles-default.c

index f393f1fa5ec384af499fc1a9eac5434fd8419d33..cdd47c91d9d2e5922923146a2b0681291c954c7d 100644 (file)
--- a/hacks/bubbles-default.c
+++ b/hacks/bubbles-default.c
@@ -14,6 +14,8 @@
  # include "config.h"
  #endif
  
  # include "config.h"
  #endif
  
+#include <X11/Xlib.h>
+
  #include <stdio.h>
  #include <stdlib.h>
  #include "bubbles.h"
  #include <stdio.h>
  #include <stdlib.h>
  #include "bubbles.h"
diff --git a/hacks/bubbles.c b/hacks/bubbles.c

index f92b433466714751ae2d0a78a8c90f1f37df8d47..fe5ccef0585116a546358805185b045eb3529461 100644 (file)
--- a/hacks/bubbles.c
+++ b/hacks/bubbles.c
@@ -1,6 +1,6 @@
  /* bubbles.c - frying pan / soft drink in a glass simulation */
  
  /* bubbles.c - frying pan / soft drink in a glass simulation */
  
-/*$Id: bubbles.c,v 1.17 2000/07/19 06:38:42 jwz Exp $*/
+/*$Id: bubbles.c,v 1.18 2002/01/17 02:16:04 jwz Exp $*/
  
  /*
   *  Copyright (C) 1995-1996 James Macnicol
  
  /*
   *  Copyright (C) 1995-1996 James Macnicol
@@ -41,7 +41,6 @@
  
  #include <math.h>
  #include "screenhack.h"
  
  #include <math.h>
  #include "screenhack.h"
-#include "bubbles.h"
  
  #include <limits.h>
  
  
  #include <limits.h>
  
@@ -60,9 +59,11 @@
  # include <unistd.h>
  #endif
  #include "yarandom.h"
  # include <unistd.h>
  #endif
  #include "yarandom.h"
+#include "bubbles.h"
+#include "xpm-pixmap.h"
  
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
+#if defined(HAVE_GDK_PIXBUF) || defined(HAVE_XPM)
+# define FANCY_BUBBLES
  #endif
  
  /* 
  #endif
  
  /* 
@@ -92,9 +93,9 @@ char *defaults [] = {
  
  XrmOptionDescRec options [] = {
    { "-simple",          ".simple",      XrmoptionNoArg, "true" },
  
  XrmOptionDescRec options [] = {
    { "-simple",          ".simple",      XrmoptionNoArg, "true" },
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
    { "-broken",          ".broken",      XrmoptionNoArg, "true" },
    { "-broken",          ".broken",      XrmoptionNoArg, "true" },
-#endif /* HAVE_XPM */
+#endif
    { "-quiet",           ".quiet",       XrmoptionNoArg, "true" },
    { "-nodelay",         ".nodelay",     XrmoptionNoArg, "true" },
    { "-3D",          ".3D",      XrmoptionNoArg, "true" },
    { "-quiet",           ".quiet",       XrmoptionNoArg, "true" },
    { "-nodelay",         ".nodelay",     XrmoptionNoArg, "true" },
    { "-3D",          ".3D",      XrmoptionNoArg, "true" },
@@ -137,13 +138,13 @@ static long *bubble_areas;
  static int *bubble_droppages;
  static GC draw_gc, erase_gc;
  
  static int *bubble_droppages;
  static GC draw_gc, erase_gc;
  
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
  static int num_bubble_pixmaps;
  static Bubble_Step **step_pixmaps;
  static int num_bubble_pixmaps;
  static Bubble_Step **step_pixmaps;
-#endif /* HAVE_XPM */
+#endif
  
  /* Options stuff */
  
  /* Options stuff */
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
  static Bool simple = False;
  #else
  static Bool simple = True;
  static Bool simple = False;
  #else
  static Bool simple = True;
@@ -225,7 +226,7 @@ turned off if DEBUG isn't set. */
               bb->radius, bb->x, bb->y, bb->magic, bb->cell_index);
        die_bad_bubble(bb);  
      }
               bb->radius, bb->x, bb->y, bb->magic, bb->cell_index);
        die_bad_bubble(bb);  
      }
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
    } else {
      if ((bb->x < 0) || (bb->x > screen_width) ||
         (bb->y < 0) || (bb->y > screen_height) ||
    } else {
      if ((bb->x < 0) || (bb->x > screen_width) ||
         (bb->y < 0) || (bb->y > screen_height) ||
@@ -236,7 +237,7 @@ turned off if DEBUG isn't set. */
               bb->radius, bb->x, bb->y, bb->magic, bb->cell_index);
        die_bad_bubble(bb);  
      }
               bb->radius, bb->x, bb->y, bb->magic, bb->cell_index);
        die_bad_bubble(bb);  
      }
-#endif /* HAVE_XPM */
+#endif
    }
  #endif /* DEBUG */
    return 0;
    }
  #endif /* DEBUG */
    return 0;
@@ -438,20 +439,20 @@ adjust_areas (void)
    long factor;
    int i;
  
    long factor;
    int i;
  
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
    if (simple)
      maxarea = bubble_areas[bubble_max_radius+1];
    else
      maxarea = step_pixmaps[num_bubble_pixmaps]->area;
    if (simple)
      maxarea = bubble_areas[bubble_max_radius+1];
    else
      maxarea = step_pixmaps[num_bubble_pixmaps]->area;
-#else
+#else /* !FANCY_BUBBLES */
    maxarea = bubble_areas[bubble_max_radius+1];
    maxarea = bubble_areas[bubble_max_radius+1];
-#endif /* HAVE_XPM */
+#endif /* !FANCY_BUBBLES */
    maxvalue = (double)screen_width * 2.0 * (double)maxarea;
    factor = (long)ceil(maxvalue / (double)LONG_MAX);
    if (factor > 1) {
      /* Overflow will occur in weighted_mean().  We must divide areas
         each by factor so it will never do so. */
    maxvalue = (double)screen_width * 2.0 * (double)maxarea;
    factor = (long)ceil(maxvalue / (double)LONG_MAX);
    if (factor > 1) {
      /* Overflow will occur in weighted_mean().  We must divide areas
         each by factor so it will never do so. */
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
      if (simple) {
        for (i = bubble_min_radius; i <= bubble_max_radius+1; i++) {
         bubble_areas[i] /= factor;
      if (simple) {
        for (i = bubble_min_radius; i <= bubble_max_radius+1; i++) {
         bubble_areas[i] /= factor;
@@ -471,13 +472,13 @@ adjust_areas (void)
  #endif /* DEBUG */
        }
      }
  #endif /* DEBUG */
        }
      }
-#else
+#else /* !FANCY_BUBBLES */
      for (i = bubble_min_radius; i <= bubble_max_radius+1; i++) {
        bubble_areas[i] /= factor;
        if (bubble_areas[i] == 0)
         bubble_areas[i] = 1;
      }
      for (i = bubble_min_radius; i <= bubble_max_radius+1; i++) {
        bubble_areas[i] /= factor;
        if (bubble_areas[i] == 0)
         bubble_areas[i] = 1;
      }
-#endif /* HAVE_XPM */
+#endif /* !FANCY_BUBBLES */
    }
  #ifdef DEBUG
    printf("maxarea = %ld\n", maxarea);
    }
  #ifdef DEBUG
    printf("maxarea = %ld\n", maxarea);
@@ -507,12 +508,12 @@ size. */
    if (simple) {
      rv->radius = bubble_min_radius;
      rv->area = bubble_areas[bubble_min_radius];
    if (simple) {
      rv->radius = bubble_min_radius;
      rv->area = bubble_areas[bubble_min_radius];
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
    } else {
      rv->step = 0;
      rv->radius = step_pixmaps[0]->radius;
      rv->area = step_pixmaps[0]->area;
    } else {
      rv->step = 0;
      rv->radius = step_pixmaps[0]->radius;
      rv->area = step_pixmaps[0]->area;
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
    }
    rv->visible = 0;
    rv->magic = BUBBLE_MAGIC;
    }
    rv->visible = 0;
    rv->magic = BUBBLE_MAGIC;
@@ -540,7 +541,7 @@ show_bubble(Bubble *bb)
                (bb->y - bb->radius), bb->radius*2, bb->radius*2, 0,
                360*64);  
      } else {
                (bb->y - bb->radius), bb->radius*2, bb->radius*2, 0,
                360*64);  
      } else {
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
        XSetClipOrigin(defdsp, step_pixmaps[bb->step]->draw_gc, 
                      (bb->x - bb->radius),
                      (bb->y - bb->radius));
        XSetClipOrigin(defdsp, step_pixmaps[bb->step]->draw_gc, 
                      (bb->x - bb->radius),
                      (bb->y - bb->radius));
@@ -551,7 +552,7 @@ show_bubble(Bubble *bb)
                 (bb->radius * 2),  
                 (bb->x - bb->radius),
                 (bb->y - bb->radius));
                 (bb->radius * 2),  
                 (bb->x - bb->radius),
                 (bb->y - bb->radius));
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
      }
    }
  }
      }
    }
  }
@@ -573,7 +574,7 @@ hide_bubble(Bubble *bb)
                (bb->y - bb->radius), bb->radius*2, bb->radius*2, 0,
                360*64);
      } else {
                (bb->y - bb->radius), bb->radius*2, bb->radius*2, 0,
                360*64);
      } else {
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
        if (! broken) {
         XSetClipOrigin(defdsp, step_pixmaps[bb->step]->erase_gc, 
                        (bb->x - bb->radius), (bb->y - bb->radius));
        if (! broken) {
         XSetClipOrigin(defdsp, step_pixmaps[bb->step]->erase_gc, 
                        (bb->x - bb->radius), (bb->y - bb->radius));
@@ -584,7 +585,7 @@ hide_bubble(Bubble *bb)
                        (bb->radius * 2),
                        (bb->radius * 2));
        }
                        (bb->radius * 2),
                        (bb->radius * 2));
        }
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
      }
    }
  }
      }
    }
  }
@@ -761,24 +762,24 @@ bubble_eat(Bubble *diner, Bubble *food)
         if ((simple) && (diner->area > bubble_areas[bubble_max_radius])) {
           diner->area = bubble_areas[bubble_max_radius];
         }
         if ((simple) && (diner->area > bubble_areas[bubble_max_radius])) {
           diner->area = bubble_areas[bubble_max_radius];
         }
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
         if ((! simple) && (diner->area > step_pixmaps[num_bubble_pixmaps]->area)) {
           diner->area = step_pixmaps[num_bubble_pixmaps]->area;
         }
         if ((! simple) && (diner->area > step_pixmaps[num_bubble_pixmaps]->area)) {
           diner->area = step_pixmaps[num_bubble_pixmaps]->area;
         }
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
    }
    else {
         if ((simple) && (diner->area > bubble_areas[bubble_max_radius])) {
           delete_bubble_in_mesh(diner, DELETE_BUBBLE);
           return 0;
         }
    }
    else {
         if ((simple) && (diner->area > bubble_areas[bubble_max_radius])) {
           delete_bubble_in_mesh(diner, DELETE_BUBBLE);
           return 0;
         }
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
         if ((! simple) && (diner->area > 
                                            step_pixmaps[num_bubble_pixmaps]->area)) {
           delete_bubble_in_mesh(diner, DELETE_BUBBLE);
           return 0;
         }
         if ((! simple) && (diner->area > 
                                            step_pixmaps[num_bubble_pixmaps]->area)) {
           delete_bubble_in_mesh(diner, DELETE_BUBBLE);
           return 0;
         }
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
    }
  
    if (simple) {
    }
  
    if (simple) {
@@ -790,7 +791,7 @@ bubble_eat(Bubble *diner, Bubble *food)
        diner->radius = i;
      }
      show_bubble(diner);
        diner->radius = i;
      }
      show_bubble(diner);
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
    } else {
      if (diner->area > step_pixmaps[diner->step+1]->area) {
        i = diner->step;
    } else {
      if (diner->area > step_pixmaps[diner->step+1]->area) {
        i = diner->step;
@@ -800,7 +801,7 @@ bubble_eat(Bubble *diner, Bubble *food)
        diner->radius = step_pixmaps[diner->step]->radius;
      }
      show_bubble(diner);
        diner->radius = step_pixmaps[diner->step]->radius;
      }
      show_bubble(diner);
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
    }
  
    /* Now adjust locations and cells if need be */
    }
  
    /* Now adjust locations and cells if need be */
@@ -958,12 +959,12 @@ insert_new_bubble(Bubble *tmp)
                   if ((nextbub->area >= bubble_areas[bubble_max_radius - 1]) && (random() % 2 == 0))
                         continue;
                 }
                   if ((nextbub->area >= bubble_areas[bubble_max_radius - 1]) && (random() % 2 == 0))
                         continue;
                 }
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
                 else {
                   if ((nextbub->step >= num_bubble_pixmaps - 1) && (random() % 2 == 0))
                         continue;
                 }
                 else {
                   if ((nextbub->step >= num_bubble_pixmaps - 1) && (random() % 2 == 0))
                         continue;
                 }
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
        }
           break;
         }
        }
           break;
         }
@@ -996,10 +997,10 @@ drop_bubble( Bubble *bb )
  
    if (simple)
         (bb->y) += (bubble_droppages[bb->radius] * drop_dir);
  
    if (simple)
         (bb->y) += (bubble_droppages[bb->radius] * drop_dir);
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
    else
         (bb->y) += (step_pixmaps[bb->step]->droppage * drop_dir);
    else
         (bb->y) += (step_pixmaps[bb->step]->droppage * drop_dir);
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
    if ((bb->y < 0) || (bb->y > screen_height)) {
         delete_bubble_in_mesh( bb, DELETE_BUBBLE );
         return -1;
    if ((bb->y < 0) || (bb->y > screen_height)) {
         delete_bubble_in_mesh( bb, DELETE_BUBBLE );
         return -1;
@@ -1020,12 +1021,12 @@ drop_bubble( Bubble *bb )
           if ((bb->area >= bubble_areas[bubble_max_radius - 1]) && (random() % 2 == 0)) 
                 leave_trail( bb );
         }
           if ((bb->area >= bubble_areas[bubble_max_radius - 1]) && (random() % 2 == 0)) 
                 leave_trail( bb );
         }
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
         else { 
           if ((bb->step >= num_bubble_pixmaps - 1) && (random() % 2 == 0))
                 leave_trail( bb );
         }
         else { 
           if ((bb->step >= num_bubble_pixmaps - 1) && (random() % 2 == 0))
                 leave_trail( bb );
         }
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
    }
  
    return 0;
    }
  
    return 0;
@@ -1053,7 +1054,7 @@ get_length_of_bubble_list(Bubble *bb)
   * still check for XPM, though!
   */
  
   * still check for XPM, though!
   */
  
-#ifdef HAVE_XPM
+#ifdef FANCY_BUBBLES
  
  /*
   * Pixmaps without file I/O (but do have XPM)
  
  /*
   * Pixmaps without file I/O (but do have XPM)
@@ -1178,7 +1179,6 @@ make_pixmap_from_default(char **pixmap_data, Bubble_Step *bl)
   This is virtually copied verbatim from make_pixmap_from_file() above and
  changes made to either should be propagated onwards! */
  {
   This is virtually copied verbatim from make_pixmap_from_file() above and
  changes made to either should be propagated onwards! */
  {
-  int result;
    XGCValues gcv;
  
  #ifdef DEBUG
    XGCValues gcv;
  
  #ifdef DEBUG
@@ -1193,49 +1193,16 @@ changes made to either should be propagated onwards! */
      exit(1);
    }
  
      exit(1);
    }
  
-  bl->xpmattrs.valuemask = 0;
-
-#ifdef XpmCloseness
-  bl->xpmattrs.valuemask |= XpmCloseness;
-  bl->xpmattrs.closeness = 40000;
-#endif
-#ifdef XpmVisual
-  bl->xpmattrs.valuemask |= XpmVisual;
-  bl->xpmattrs.visual = defvisual;
-#endif
-#ifdef XpmDepth
-  bl->xpmattrs.valuemask |= XpmDepth;
-  bl->xpmattrs.depth = screen_depth;
-#endif
-#ifdef XpmColormap
-  bl->xpmattrs.valuemask |= XpmColormap;
-  bl->xpmattrs.colormap = defcmap;
-#endif
-
-
-  /* This is the only line which is different from make_pixmap_from_file() */
-  result = XpmCreatePixmapFromData(defdsp, defwin, pixmap_data, &bl->ball, 
-                                  &bl->shape_mask, &bl->xpmattrs);
-
-  switch(result) {
-  case XpmColorError:
-    fprintf(stderr, "xpm: color substitution performed\n");
-    /* fall through */
-  case XpmSuccess:
-    bl->radius = MAX(bl->xpmattrs.width, bl->xpmattrs.height) / 2;
+#ifdef FANCY_BUBBLES
+  {
+    int w, h;
+    bl->ball = xpm_data_to_pixmap (defdsp, defwin, (char **) pixmap_data,
+                                   &w, &h, &bl->shape_mask);
+    bl->radius = MAX(w, h) / 2;
      bl->area = calc_bubble_area(bl->radius);
      bl->area = calc_bubble_area(bl->radius);
-    break;
-  case XpmColorFailed:
-    fprintf(stderr, "xpm: color allocation failed\n");
-    exit(1);
-  case XpmNoMemory:
-    fprintf(stderr, "xpm: out of memory\n");
-    exit(1);
-  default:
-    fprintf(stderr, "xpm: unknown error code %d\n", result);
-    exit(1);
    }
    }
-  
+#endif /* FANCY_BUBBLES */
+
    gcv.plane_mask = AllPlanes;
    gcv.foreground = default_fg_pixel;
    gcv.function = GXcopy;
    gcv.plane_mask = AllPlanes;
    gcv.foreground = default_fg_pixel;
    gcv.function = GXcopy;
@@ -1279,7 +1246,7 @@ default_to_pixmaps (void)
    make_pixmap_array(pixmap_list);
  }
  
    make_pixmap_array(pixmap_list);
  }
  
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
  
  
  /* 
  
  
  /* 
@@ -1337,11 +1304,11 @@ get_resources(Display *dpy, Window window)
        if (! quiet)
         fprintf(stderr, "-broken not available in simple mode\n");
    } else {
        if (! quiet)
         fprintf(stderr, "-broken not available in simple mode\n");
    } else {
-#ifndef HAVE_XPM
+#ifndef FANCY_BUBBLES
      simple = 1;
      simple = 1;
-#else
+#else  /* FANCY_BUBBLES */
      broken = get_boolean_resource("broken", "Boolean");
      broken = get_boolean_resource("broken", "Boolean");
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
    }
  }
  
    }
  }
  
@@ -1401,18 +1368,18 @@ init_bubbles (Display *dpy, Window window)
  
      mesh_length = (2 * bubble_max_radius) + 3;
    } else {
  
      mesh_length = (2 * bubble_max_radius) + 3;
    } else {
-#ifndef HAVE_XPM
+#ifndef FANCY_BUBBLES
      fprintf(stderr,
      fprintf(stderr,
-           "Bug: simple mode code not set but HAVE_XPM not defined\n");
+           "Bug: simple mode code not set but FANCY_BUBBLES not defined\n");
      exit(1);
      exit(1);
-#else
+#else  /* FANCY_BUBBLES */
      /* Make sure all #ifdef sort of things have been taken care of in
         get_resources(). */
      default_to_pixmaps();
  
      /* Set mesh length */
      mesh_length = (2 * step_pixmaps[num_bubble_pixmaps-1]->radius) + 3;
      /* Make sure all #ifdef sort of things have been taken care of in
         get_resources(). */
      default_to_pixmaps();
  
      /* Set mesh length */
      mesh_length = (2 * step_pixmaps[num_bubble_pixmaps-1]->radius) + 3;
-#endif /* HAVE_XPM */
+#endif /* FANCY_BUBBLES */
  
      /* Am I missing something in here??? */
    }
  
      /* Am I missing something in here??? */
    }
diff --git a/hacks/bubbles.h b/hacks/bubbles.h

index 6bca1c67543aba8c6a3a7cc4488251a3808232fb..18d9f2b52248c11e99d487dccac4d9f92d273e22 100644 (file)
--- a/hacks/bubbles.h
+++ b/hacks/bubbles.h
@@ -1,14 +1,10 @@
  /* bubbles.h - definitions for bubbles screensaver */
  
  /* bubbles.h - definitions for bubbles screensaver */
  
-/* $Id: bubbles.h,v 1.3 2000/07/19 06:38:42 jwz Exp $ */
+/* $Id: bubbles.h,v 1.4 2002/01/17 02:16:04 jwz Exp $ */
  
  #ifndef _BUBBLES_H_
  #define _BUBBLES_H_
  
  
  #ifndef _BUBBLES_H_
  #define _BUBBLES_H_
  
-#ifdef HAVE_XPM
-#include <X11/xpm.h>
-#endif
-
  /***************************************************************************
   *   Options you might like to change to affect the program's behaviour    *
   ***************************************************************************/
  /***************************************************************************
   *   Options you might like to change to affect the program's behaviour    *
   ***************************************************************************/
@@ -187,32 +183,31 @@ typedef struct bub Bubble;
   * better name...)
   */
  
   * better name...)
   */
  
-#ifdef HAVE_XPM
+#if defined(HAVE_GDK_PIXBUF) || defined(HAVE_XPM)
  struct bub_step {
    int radius;
    long area;
    int droppage;
    Pixmap ball, shape_mask;
    GC draw_gc, erase_gc;
  struct bub_step {
    int radius;
    long area;
    int droppage;
    Pixmap ball, shape_mask;
    GC draw_gc, erase_gc;
-  XpmAttributes xpmattrs;
    struct bub_step *next;
  };
  
  typedef struct bub_step Bubble_Step;
    struct bub_step *next;
  };
  
  typedef struct bub_step Bubble_Step;
-#endif /* HAVE_XPM */
+#endif /* HAVE_XPM || HAVE_GDK_PIXBUF */
  
  /* Make sure default bubble isn't compiled when we don't have XPM
  Disable file I/O code too. */
  
  /* Make sure default bubble isn't compiled when we don't have XPM
  Disable file I/O code too. */
-#ifndef HAVE_XPM
+#if !defined(HAVE_XPM) && !defined(HAVE_GDK_PIXBUF)
  # define NO_DEFAULT_BUBBLE
  # undef BUBBLES_IO
  # define NO_DEFAULT_BUBBLE
  # undef BUBBLES_IO
-#endif /* HAVE_XPM */
+#endif /* !HAVE_XPM && !HAVE_GDK_PIXBUF */
  
  /* Make sure default bubble is compiled in when we have XPM and no file I/O */
  
  /* Make sure default bubble is compiled in when we have XPM and no file I/O */
-#ifdef HAVE_XPM
+#if defined(HAVE_XPM) || defined(HAVE_GDK_PIXBUF)
  # ifndef BUBBLES_IO
  #  undef NO_DEFAULT_BUBBLE
  # endif /* BUBBLES_IO */
  # ifndef BUBBLES_IO
  #  undef NO_DEFAULT_BUBBLE
  # endif /* BUBBLES_IO */
-#endif /* HAVE_XPM */
+#endif /* HAVE_XPM || HAVE_GDK_PIXBUF */
  
  #endif /* _BUBBLES_H_ */
  
  #endif /* _BUBBLES_H_ */
diff --git a/hacks/bumps.h b/hacks/bumps.h

index d5601ec789564f551b7b40dfc0ae3b8dc5d01e17..f5e8c29213c6746cbb059a89a16ff46fdae7771f 100644 (file)
--- a/hacks/bumps.h
+++ b/hacks/bumps.h
@@ -47,6 +47,8 @@ typedef unsigned char BOOL;
  char *progclass = "Bumps";
  
  char *defaults [] = {
  char *progclass = "Bumps";
  
  char *defaults [] = {
+  ".background: black",
+  ".foreground: white",
    "*degrees:   360",
    "*color:             random",
    "*colorcount:        64",
    "*degrees:   360",
    "*color:             random",
    "*colorcount:        64",
diff --git a/hacks/ccurve.c b/hacks/ccurve.c

index 1555d88d127541f8890964b9c675ad12f7fd9e3c..efe5915c0137894b5da1d7affa6eaded962e3ef1 100644 (file)
--- a/hacks/ccurve.c
+++ b/hacks/ccurve.c
@@ -644,6 +644,8 @@ char *progclass = "Ccurve";
  
  char *defaults [] =
  {
  
  char *defaults [] =
  {
+    ".background:  black",
+    ".foreground:  white",
      ".delay:      1",
      ".pause:      3",
      ".limit: 200000",
      ".delay:      1",
      ".pause:      3",
      ".limit: 200000",
diff --git a/hacks/compile_axp.com b/hacks/compile_axp.com

index bd83e4d3bfbd094a6fc02a753c1a96150061f25d..27fc3d7149362d91fbfd30d75f3d64d4d3b58919 100644 (file)
--- a/hacks/compile_axp.com
+++ b/hacks/compile_axp.com
@@ -1,4 +1,5 @@
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) ANT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) ANT.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) APOLLONIAN.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) ATTRACTION.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) BLASTER.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) BLITSPIN.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) ATTRACTION.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) BLASTER.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) BLITSPIN.C
@@ -22,6 +23,7 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) DISTORT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) DRIFT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) EPICYCLE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) DISTORT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) DRIFT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) EPICYCLE.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) EULER2D.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FADEPLOT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FLAG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FLAME.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FADEPLOT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FLAG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FLAME.C
@@ -40,6 +42,7 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) IMSMAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) INTERFERENCE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JIGSAW.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) IMSMAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) INTERFERENCE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JIGSAW.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JUGGLE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JULIA.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) KALEIDESCOPE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) KUMPPA.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JULIA.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) KALEIDESCOPE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) KUMPPA.C
@@ -61,6 +64,7 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PENROSE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PETRI.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PHOSPHOR.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PENROSE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PETRI.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PHOSPHOR.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) POLYOMINOES.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PYRO.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) QIX.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) RD-BOMB.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PYRO.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) QIX.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) RD-BOMB.C
@@ -84,11 +88,14 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) STRANGE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) SWIRL.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) T3D.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) STRANGE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) SWIRL.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) T3D.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) THORNBIRD.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TRIANGLE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TRUCHET.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TRIANGLE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TRUCHET.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TWANG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) VERMICULATE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) VINES.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WANDER.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) VERMICULATE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) VINES.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WANDER.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WEBCOLLAGE-HELPER.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WHIRLWINDWARP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WHIRLYGIG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WORM.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WHIRLWINDWARP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WHIRLYGIG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WORM.C
@@ -97,6 +104,7 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XLOCKMORE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XLYAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XMATRIX.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XLOCKMORE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XLYAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XMATRIX.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XPM-PIXMAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XRAYSWARM.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XSCREENSAVER-SGIGL.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XSPIROGRAPH.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XRAYSWARM.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XSCREENSAVER-SGIGL.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XSPIROGRAPH.C
diff --git a/hacks/compile_decc.com b/hacks/compile_decc.com

index bd83e4d3bfbd094a6fc02a753c1a96150061f25d..27fc3d7149362d91fbfd30d75f3d64d4d3b58919 100644 (file)
--- a/hacks/compile_decc.com
+++ b/hacks/compile_decc.com
@@ -1,4 +1,5 @@
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) ANT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) ANT.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) APOLLONIAN.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) ATTRACTION.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) BLASTER.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) BLITSPIN.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) ATTRACTION.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) BLASTER.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) BLITSPIN.C
@@ -22,6 +23,7 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) DISTORT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) DRIFT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) EPICYCLE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) DISTORT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) DRIFT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) EPICYCLE.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) EULER2D.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FADEPLOT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FLAG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FLAME.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FADEPLOT.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FLAG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) FLAME.C
@@ -40,6 +42,7 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) IMSMAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) INTERFERENCE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JIGSAW.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) IMSMAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) INTERFERENCE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JIGSAW.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JUGGLE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JULIA.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) KALEIDESCOPE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) KUMPPA.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) JULIA.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) KALEIDESCOPE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) KUMPPA.C
@@ -61,6 +64,7 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PENROSE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PETRI.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PHOSPHOR.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PENROSE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PETRI.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PHOSPHOR.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) POLYOMINOES.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PYRO.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) QIX.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) RD-BOMB.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) PYRO.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) QIX.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) RD-BOMB.C
@@ -84,11 +88,14 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) STRANGE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) SWIRL.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) T3D.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) STRANGE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) SWIRL.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) T3D.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) THORNBIRD.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TRIANGLE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TRUCHET.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TRIANGLE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TRUCHET.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) TWANG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) VERMICULATE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) VINES.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WANDER.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) VERMICULATE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) VINES.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WANDER.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WEBCOLLAGE-HELPER.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WHIRLWINDWARP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WHIRLYGIG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WORM.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WHIRLWINDWARP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WHIRLYGIG.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) WORM.C
@@ -97,6 +104,7 @@ $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XLOCKMORE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XLYAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XMATRIX.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XLOCKMORE.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XLYAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XMATRIX.C
+$ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XPM-PIXMAP.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XRAYSWARM.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XSCREENSAVER-SGIGL.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XSPIROGRAPH.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XRAYSWARM.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XSCREENSAVER-SGIGL.C
  $ CC/DECC/PREFIX=ALL/DEFINE=(VMS,HAVE_CONFIG_H,STANDALONE)/INCL=([],[-],[-.UTILS]) XSPIROGRAPH.C
diff --git a/hacks/config/README b/hacks/config/README

index b75289880e7489d22ad02b9a0a38bdc25ad3c7e3..5f4ca9a4ddf87bbf401964a2384e670668800fd1 100644 (file)
--- a/hacks/config/README
+++ b/hacks/config/README
@@ -4,8 +4,8 @@
              a screen saver and locker for the X window system
                              by Jamie Zawinski
  
              a screen saver and locker for the X window system
                              by Jamie Zawinski
  
-                              version 4.00
-                               02-Jan-2002
+                              version 4.01
+                               24-Feb-2002
  
                       http://www.jwz.org/xscreensaver/
  
  
                       http://www.jwz.org/xscreensaver/
  
diff --git a/hacks/config/apollonian.xml b/hacks/config/apollonian.xml

new file mode 100644 (file)

index 0000000..0f89877
--- /dev/null
+++ b/hacks/config/apollonian.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="apollonian" _label="Apollonian">
+
+  <command arg="-root"/>
+
+  <boolean id="label" _label="Draw Labels" arg-unset="-no-label"/>
+
+  <boolean id="altgeom" _label="Include Alternate Geometries"
+           arg-unset="-no-altgeom"/>
+
+<!-- don't know what -count does -->
+
+  <number id="cycles" type="slider" arg="-cycles %"
+           _label="Depth" _low-label="Shallow" _high-label="Deep"
+          low="1" high="20" default="20"/>
+
+  <number id="ncolors" type="slider" arg="-ncolors %"
+            _label="Number of Colors" _low-label="Two" _high-label="Many"
+            low="2" high="255" default="64"/>
+
+  <number id="speed" type="slider" arg="-delay %"
+          _label="Speed" _low-label="Slow" _high-label="Fast"
+          low="0" high="1000000" default="1000000"
+          convert="invert"/>
+
+  <_description>
+Packs a large circle with smaller circles, demonstrating the 
+Descartes Circle Theorem.  Written by Allan R. Wilks and David Bagley.
+  </_description>
+</screensaver>
diff --git a/hacks/config/boxed.xml b/hacks/config/boxed.xml

new file mode 100644 (file)

index 0000000..5685f7f
--- /dev/null
+++ b/hacks/config/boxed.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="boxed" _label="Boxed">
+
+  <command arg="-root"/>
+
+  <number id="speed" type="slider" arg="-delay %"
+          _label="Animation Speed" _low-label="Slow" _high-label="Fast"
+          low="0" high="20000" default="20000"
+          convert="invert"/>
+
+  <select id="render">
+    <option id="wire"  _label="Wireframe" arg-set="-wireframe"/>
+    <option id="solid" _label="Solid"/>
+  </select>
+
+  <boolean id="showfps" _label="Show Frames-per-Second" arg-set="-fps"/>
+
+  <_description>
+Draws a box full of 3D bouncing balls that explode.
+Written by Sander van Grieken.
+  </_description>
+</screensaver>
diff --git a/hacks/config/cosmos.xml b/hacks/config/cosmos.xml

index e70dd326456d23334a9141c25cd970a47e5103ec..63f713fb2ab4784f4bb4f073c8d647b802aadf06 100644 (file)
--- a/hacks/config/cosmos.xml
+++ b/hacks/config/cosmos.xml
@@ -5,6 +5,6 @@
  
    <_description>
  Draws fireworks and zooming, fading flares.  By Tom Campbell. 
  
    <_description>
  Draws fireworks and zooming, fading flares.  By Tom Campbell. 
-You can find it at &lt;http://www.mindspring.com/~campbell/cosmos/&gt;
+You can find it at &lt;http://cosmos.dnsalias.net/cosmos/&gt;
    </_description>
  </screensaver>
 \ No newline at end of file
    </_description>
  </screensaver>
 \ No newline at end of file
diff --git a/hacks/config/critical.xml b/hacks/config/critical.xml

index 0b4ef3980ae572aa9d584a68265b85a77edd9e5b..443d026b49b8f1a7251c1272efd1b6c8cb85f1b2 100644 (file)
--- a/hacks/config/critical.xml
+++ b/hacks/config/critical.xml
@@ -6,7 +6,7 @@
  
    <number id="ncolors" type="slider" arg="-ncolors %"
              _label="Number of Colors" _low-label="Two" _high-label="Many"
  
    <number id="ncolors" type="slider" arg="-ncolors %"
              _label="Number of Colors" _low-label="Two" _high-label="Many"
-            low="2" high="255" default="64"/>
+            low="3" high="255" default="64"/>
  
    <number id="speed" type="slider" arg="-delay %"
            _label="Speed" _low-label="Slow" _high-label="Fast"
  
    <number id="speed" type="slider" arg="-delay %"
            _label="Speed" _low-label="Slow" _high-label="Fast"
diff --git a/hacks/config/euler2d.xml b/hacks/config/euler2d.xml

new file mode 100644 (file)

index 0000000..f1a6a35
--- /dev/null
+++ b/hacks/config/euler2d.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="euler2d" _label="Euler2d">
+
+  <command arg="-root"/>
+
+  <number id="count" type="slider" arg="-count %"
+           _label="Particles" _low-label="Few" _high-label="Many"
+          low="2" high="5000" default="1024"/>
+
+  <number id="eulertail" type="slider" arg="-eulertail %"
+           _label="Trail Length" _low-label="Short" _high-label="Long"
+          low="2" high="500" default="10"/>
+
+<!--
+  <number id="eulerpower" type="slider" arg="-eulerpower %"
+           _label="Power" _low-label="Low" _high-label="High"
+          low="0.5" high="3.0" default="1.0"/>
+-->
+
+  <number id="cycles" type="slider" arg="-cycles %"
+           _label="Duration" _low-label="Short" _high-label="Long"
+          low="100" high="5000" default="3000"/>
+
+  <number id="ncolors" type="slider" arg="-ncolors %"
+            _label="Number of Colors" _low-label="Two" _high-label="Many"
+            low="2" high="255" default="64"/>
+
+  <number id="speed" type="slider" arg="-delay %"
+          _label="Speed" _low-label="Slow" _high-label="Fast"
+          low="0" high="300000" default="10000"
+          convert="invert"/>
+
+  <_description>
+Simulates two dimensional Incompressible Inviscid Fluid Flow.
+Written by Stephen Montgomery-Smith.
+  </_description>
+</screensaver>
diff --git a/hacks/config/flame.xml b/hacks/config/flame.xml

index 85c0e80572a4492e9fc02c4c4499d00228e43449..210a850e0ecef40469a5a36e1699270ca2d0e165 100644 (file)
--- a/hacks/config/flame.xml
+++ b/hacks/config/flame.xml
@@ -18,7 +18,7 @@
            low="1" high="250" default="25"/>
  
    <number id="points" type="slider" arg="-points %"
            low="1" high="250" default="25"/>
  
    <number id="points" type="slider" arg="-points %"
-          _label="Complexity" _low-label="Few" _high-label="High"
+          _label="Complexity" _low-label="Low" _high-label="High"
            low="100" high="80000" default="10000"/>
  
    <number id="ncolors" type="slider" arg="-colors %"
            low="100" high="80000" default="10000"/>
  
    <number id="ncolors" type="slider" arg="-colors %"
diff --git a/hacks/config/forest.xml b/hacks/config/forest.xml

index 3fb05d833e6214b67d7ed3aaff606f40270f105a..72f874c2d04aaa278438891d0b2a29188fff775e 100644 (file)
--- a/hacks/config/forest.xml
+++ b/hacks/config/forest.xml
@@ -11,7 +11,7 @@
  
    <number id="ncolors" type="slider" arg="-ncolors %"
              _label="Number of Colors" _low-label="Two" _high-label="Many"
  
    <number id="ncolors" type="slider" arg="-ncolors %"
              _label="Number of Colors" _low-label="Two" _high-label="Many"
-            low="1" high="255" default="20"/>
+            low="1" high="20" default="20"/>
  
    <_description>
  This draws fractal trees.  Written by Peter Baumung.  Everybody loves
  
    <_description>
  This draws fractal trees.  Written by Peter Baumung.  Everybody loves
diff --git a/hacks/config/galaxy.xml b/hacks/config/galaxy.xml

index 80b356440f4b04c44278172db8149d5cae901e45..e139f53d1a79a1af38d35b6fef452179372745b3 100644 (file)
--- a/hacks/config/galaxy.xml
+++ b/hacks/config/galaxy.xml
@@ -18,7 +18,7 @@
  
    <number id="ncolors" type="slider" arg="-ncolors %"
              _label="Number of Colors" _low-label="Two" _high-label="Many"
  
    <number id="ncolors" type="slider" arg="-ncolors %"
              _label="Number of Colors" _low-label="Two" _high-label="Many"
-            low="1" high="255" default="64"/>
+            low="10" high="255" default="64"/>
  
    <number id="size" type="spinbutton" arg="-size %"
             _label="Size" low="-20" high="20" default="-3"/>
  
    <number id="size" type="spinbutton" arg="-size %"
             _label="Size" low="-20" high="20" default="-3"/>
diff --git a/hacks/config/gears.xml b/hacks/config/gears.xml

index 83b6a2a14aba133ee68303953785c2307441f127..d0ef3c79dfc044b19f67364d083de9f2da999cdd 100644 (file)
--- a/hacks/config/gears.xml
+++ b/hacks/config/gears.xml
@@ -4,9 +4,6 @@
  
    <command arg="-root"/>
  
  
    <command arg="-root"/>
  
-  <number id="count" type="spinbutton" arg="-count %"
-          _label="Count" low="0" high="20" default="1"/>
-
    <number id="speed" type="slider" arg="-delay %"
            _label="Animation Speed" _low-label="Slow" _high-label="Fast"
            low="0" high="20000" default="20000"
    <number id="speed" type="slider" arg="-delay %"
            _label="Animation Speed" _low-label="Slow" _high-label="Fast"
            low="0" high="20000" default="20000"
diff --git a/hacks/config/glforestfire.xml b/hacks/config/glforestfire.xml

new file mode 100644 (file)

index 0000000..ccf870a
--- /dev/null
+++ b/hacks/config/glforestfire.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="glforestfire" _label="GLForestFire">
+
+  <command arg="-root"/>
+
+  <number id="speed" type="slider" arg="-delay %"
+          _label="Speed" _low-label="Slow" _high-label="Fast"
+          low="0" high="20000" default="10000"
+          convert="invert"/>
+
+  <number id="count" type="slider" arg="-count %"
+          _label="Count" _low-label="Rain" _high-label="Huge Fire"
+          low="0" high="8000" default="800"/>
+
+  <number id="trees" type="slider" arg="-trees %"
+          _label="Number of trees" _low-label="Desert" _high-label="Forest"
+          low="0" high="15" default="5"/>
+
+  <select id="render">
+    <option id="normal" _label="Normal"/>
+    <option id="solid" _label="Untextured" arg-set="-no-texture"/>
+    <option id="wire"  _label="Wireframe" arg-set="-wireframe"/>
+  </select>
+
+  <select id="movement">
+    <option id="wander" _label="Wander"/>
+    <option id="still" _label="Still" arg-set="-no-wander"/>
+    <option id="trackmouse" _label="Track mouse" arg-set="-trackmouse"/>
+  </select>
+
+  <boolean id="fog"   _label="Fog" arg-set="-fog"/>
+  <boolean id="shadow"  _label="No shadow" arg-set="-no-shadow"/>
+
+  <boolean id="showfps" _label="Show Frames-per-Second" arg-set="-fps"/>
+
+  <_description>
+Draws an animation of sprinkling fire-like 3D triangles in a landscape
+filled with trees.  Requires OpenGL, and a machine with fast hardware
+support for texture maps.
+
+Written by Eric Lassauge &lt;lassauge@mail.dotcom.fr&gt;.
+  </_description>
+</screensaver>
diff --git a/hacks/config/glsnake.xml b/hacks/config/glsnake.xml

new file mode 100644 (file)

index 0000000..f897c48
--- /dev/null
+++ b/hacks/config/glsnake.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="glsnake" _label="GlSnake">
+
+  <command arg="-root"/>
+
+  <number id="duration" type="slider" arg="-statictime %"
+          _label="Duration" _low-label="1" _high-label="30 Seconds"
+          low="1000" high="30000" default="5000"/>
+
+  <number id="velocity" type="slider" arg="-velocity %"
+          _label="Velocity" _low-label="Slow" _high-label="Fast"
+          low="0.05" high="5.0" default="1.0"/>
+
+  <number id="yspin" type="slider" arg="-yspin %"
+          _label="Y Rotation" _low-label="Slow" _high-label="Fast"
+          low="0.0" high="1.0" default="0.10"/>
+
+  <number id="zspin" type="slider" arg="-zspin %"
+          _label="Z Rotation" _low-label="Slow" _high-label="Fast"
+          low="0.0" high="1.0" default="0.10"/>
+
+  <number id="packing" type="slider" arg="-explode %"
+          _label="Packing" _low-label="Tight" _high-label="Loose"
+          low="0.0" high="0.5" default="0.03"/>
+
+  <boolean id="scarycolour" _label="Scary Colors" arg-set="-scarycolour"/>
+
+  <boolean id="labels" _label="Show Labels" arg-unset="-no-labels"/>
+
+  <select id="render">
+    <option id="wire"  _label="Wireframe" arg-set="-wireframe"/>
+    <option id="solid" _label="Solid"/>
+  </select>
+
+  <boolean id="showfps" _label="Show Frames-per-Second" arg-set="-fps"/>
+
+  <_description>
+Draws a simulation of the Rubik's Snake puzzle.
+Written by Jamie Wilkinson, Andrew Bennetts, and Peter Aylett.
+  </_description>
+</screensaver>
diff --git a/hacks/config/juggle.xml b/hacks/config/juggle.xml

new file mode 100644 (file)

index 0000000..6cc1f14
--- /dev/null
+++ b/hacks/config/juggle.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="juggle" _label="Juggle">
+
+  <command arg="-root"/>
+
+  <number id="speed" type="slider" arg="-count %"
+          _label="Speed" _low-label="Slow" _high-label="Fast"
+          low="50" high="1000" default="150"
+          convert="invert"/>
+
+  <number id="trails" type="slider" arg="-trail %"
+          _label="Trail Length" _low-label="None" _high-label="Long"
+          low="0" high="100" default="0"/>
+
+  <boolean id="solid" _label="Checkered Balls" arg-unset="-solid"/>
+
+<!-- I can't figure out what -cycles does -->
+<!-- -pattern would be a really long, confusing option menu -->
+
+  <_description>
+Draws a juggling stick-man.  Written by Tim Auckland.
+  </_description>
+</screensaver>
diff --git a/hacks/config/polyominoes.xml b/hacks/config/polyominoes.xml

new file mode 100644 (file)

index 0000000..80ed251
--- /dev/null
+++ b/hacks/config/polyominoes.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="polyominoes" _label="Polyominoes">
+
+  <command arg="-root"/>
+
+  <boolean id="identical" _label="Identical Pieces" arg-set="-identical"/>
+
+  <number id="cycles" type="slider" arg="-cycles %"
+           _label="Duration" _low-label="Short" _high-label="Long"
+          low="500" high="5000" default="2000"/>
+
+  <number id="speed" type="slider" arg="-delay %"
+          _label="Speed" _low-label="Slow" _high-label="Fast"
+          low="0" high="50000" default="10000"
+          convert="invert"/>
+
+  <number id="ncolors" type="slider" arg="-ncolors %"
+            _label="Number of Colors" _low-label="Two" _high-label="Many"
+            low="2" high="255" default="64"/>
+
+  <_description>
+Repeatedly attempts to completely fill a rectangle with
+irregularly-shaped puzzle pieces.  Written by Stephen Montgomery-Smith.
+  </_description>
+</screensaver>
diff --git a/hacks/config/pulsar.xml b/hacks/config/pulsar.xml

index 0bb4777d75c7a229a49edf67cf578484a326e0d5..e4b6802dde3406d8481da5750a532708e7d46e80 100644 (file)
--- a/hacks/config/pulsar.xml
+++ b/hacks/config/pulsar.xml
@@ -32,7 +32,7 @@
       <boolean id="mipmap" _label="Enable Texture Mipmaps" arg-set="-mipmap"/>
     </vgroup>
     <vgroup>
       <boolean id="mipmap" _label="Enable Texture Mipmaps" arg-set="-mipmap"/>
     </vgroup>
     <vgroup>
-     <boolean id="no-blend"  _label="Enable Blending" arg-set="-no-blend"/>
+     <boolean id="no-blend"  _label="Enable Blending" arg-unset="-no-blend"/>
       <boolean id="antialias" _label="Anti-alias Lines" arg-set="-antialias"/>
       <boolean id="texture_quality" _label="Enable Texture Filtering"
                                arg-set="-texture_quality"/>
       <boolean id="antialias" _label="Anti-alias Lines" arg-set="-antialias"/>
       <boolean id="texture_quality" _label="Enable Texture Filtering"
                                arg-set="-texture_quality"/>
diff --git a/hacks/config/sballs.xml b/hacks/config/sballs.xml

new file mode 100644 (file)

index 0000000..eeae18d
--- /dev/null
+++ b/hacks/config/sballs.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="sballs" _label="Sballs">
+
+  <command arg="-root"/>
+
+  <number id="speed" type="slider" arg="-delay %"
+          _label="Speed" _low-label="Slow" _high-label="Fast"
+          low="0" high="20000" default="10000"
+          convert="invert"/>
+
+  <select id="object">
+    <option id="random" _label="Random"/>
+    <option id="tetra" _label="Tetrahedron" arg-set="-object 1"/>
+    <option id="cube" _label="Cube" arg-set="-object 2"/>
+    <option id="octa" _label="Octahedron" arg-set="-object 3"/>
+    <option id="dodeca" _label="Dodecahedron" arg-set="-object 4"/>
+    <option id="icosa" _label="Icosahedron" arg-set="-object 5"/>
+    <option id="plane" _label="Plane" arg-set="-object 6"/>
+    <option id="pyramid" _label="Pyramid" arg-set="-object 7"/>
+    <option id="star" _label="Star" arg-set="-object 8"/>
+  </select>
+
+  <select id="render">
+    <option id="normal" _label="Normal"/>
+    <option id="solid" _label="Untextured" arg-set="-no-texture"/>
+    <option id="wire"  _label="Wireframe" arg-set="-wireframe"/>
+  </select>
+
+  <boolean id="showfps" _label="Show Frames-per-Second" arg-set="-fps"/>
+
+  <_description>
+Draws an animation of textured balls spinning like crazy in GL.
+Requires OpenGL, and a machine with fast hardware support for texture
+maps.
+
+Written by Eric Lassauge &lt;lassauge@mail.dotcom.fr&gt;.
+  </_description>
+</screensaver>
diff --git a/hacks/config/ssystem.xml b/hacks/config/ssystem.xml

index f5c5caca3587d3278d41671a2df1a0d4e7267324..c99344778abe10b7ccddb2708ee0ba770c40e797 100644 (file)
--- a/hacks/config/ssystem.xml
+++ b/hacks/config/ssystem.xml
@@ -8,12 +8,20 @@
  SSystem is a GL Solar System simulator.  It simulates flybys of Sun,
  the nine planets and a few major satellites, with four camera modes.
  Written by Raul Alonso.  This is not included with the XScreenSaver
  SSystem is a GL Solar System simulator.  It simulates flybys of Sun,
  the nine planets and a few major satellites, with four camera modes.
  Written by Raul Alonso.  This is not included with the XScreenSaver
-package, but if you don't have it already, you can find it at
-&lt;http://www1.las.es/~amil/ssystem/&gt;.
+package, but is packaged separately.
  
  
-Note: this program doesn't work as a screen saver on all systems,
-because it doesn't communicate with xscreensaver properly.  It happens
-to work with some window managers, but not with others, so your 
-mileage may vary.
+Note: SSystem does not work as a screen saver on all systems, because
+it doesn't communicate with xscreensaver properly.  It happens to work
+with some window managers, but not with others, so your mileage may
+vary.
+
+SSystem was once available at &lt;http://www1.las.es/~amil/ssystem/&gt;,
+but is now gone.  You may still be able to find copies elsewhere.
+
+SSystem has since evolved into two different programs: OpenUniverse
+(http://openuniverse.sourceforge.net/) and Celestia
+(http://www.shatters.net/celestia/).  Sadly, neither of these programs
+work with xscreensaver at all.  You are encouraged to nag their authors
+into adding xscreensaver support!
    </_description>
  </screensaver>
    </_description>
  </screensaver>
diff --git a/hacks/config/thornbird.xml b/hacks/config/thornbird.xml

new file mode 100644 (file)

index 0000000..15d7fb0
--- /dev/null
+++ b/hacks/config/thornbird.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="thornbird" _label="Thornbird">
+
+  <command arg="-root"/>
+
+  <number id="count" type="slider" arg="-count %"
+           _label="Points" _low-label="Few" _high-label="Many"
+          low="10" high="1000" default="800"/>
+
+  <number id="cycles" type="slider" arg="-cycles %"
+           _label="Thickness" _low-label="Thin" _high-label="Thick"
+          low="2" high="500" default="16"/>
+
+  <number id="speed" type="slider" arg="-delay %"
+          _label="Speed" _low-label="Slow" _high-label="Fast"
+          low="0" high="50000" default="10000"
+          convert="invert"/>
+
+  <number id="ncolors" type="slider" arg="-ncolors %"
+            _label="Number of Colors" _low-label="Two" _high-label="Many"
+            low="2" high="255" default="64"/>
+
+  <_description>
+Displays a view of the ``Bird in a Thornbush'' fractal.
+Written by Tim Auckland.
+  </_description>
+</screensaver>
diff --git a/hacks/config/twang.xml b/hacks/config/twang.xml

new file mode 100644 (file)

index 0000000..f963c16
--- /dev/null
+++ b/hacks/config/twang.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="twang" _label="Twang">
+
+  <command arg="-root"/>
+
+  <number id="speed" type="slider" arg="-delay %"
+          _label="Speed" _low-label="Slow" _high-label="Fast"
+          low="0" high="50000" default="10000"
+          convert="invert"/>
+
+  <number id="event-chance" type="slider" arg="-event-chance %"
+          _label="Randomness" _low-label="Slow" _high-label="Jumpy"
+          low="0.0" high="0.1" default="0.01"/>
+
+  <number id="friction" type="slider" arg="-friction %"
+          _label="Friction" _low-label="Low" _high-label="High"
+          low="0.0" high="0.2" default="0.05"/>
+
+  <number id="springiness" type="slider" arg="-springiness %"
+          _label="Springiness" _low-label="Low" _high-label="High"
+          low="0.0" high="1.0" default="0.1"/>
+
+  <number id="transference" type="slider" arg="-transference %"
+          _label="Transference" _low-label="Low" _high-label="High"
+          low="0.0" high="0.1" default="0.025"/>
+
+  <number id="border-width" type="spinbutton" arg="-border-width %"
+         _label="Border Width" low="0" high="20" default="3"/>
+
+  <number id="tile-size" type="spinbutton" arg="-tile-size %"
+         _label="Tile Size" low="10" high="512" default="120"/>
+
+  <boolean id="shm" _label="Use Shared Memory" arg-unset="-no-shm"/>
+
+  <_description>
+  Divides the screen into a grid, and plucks them.
+  Written by Dan Bornstein.
+  </_description>
+</screensaver>
diff --git a/hacks/coral.c b/hacks/coral.c

index 7621d5eee4818b4b8b830547f9c77fc24535cf46..e17d4951f471db1634077d4ca7a7c6a93bb1507b 100644 (file)
--- a/hacks/coral.c
+++ b/hacks/coral.c
@@ -88,8 +88,8 @@ init_coral(Display *dpy, Window window)
      for( i = 0; i < seeds; i++ ) {
          int x, y;
          do {
      for( i = 0; i < seeds; i++ ) {
          int x, y;
          do {
-            x = random() % width;
-            y = random() % height;
+          x = 1 + random() % (width - 2);
+          y = 1 + random() % (height - 2);
          } while( getdot(x, y) );
  
          setdot((x-1), (y-1)); setdot(x, (y-1)); setdot((x+1), (y-1));
          } while( getdot(x, y) );
  
          setdot((x-1), (y-1)); setdot(x, (y-1)); setdot((x+1), (y-1));
diff --git a/hacks/critical.c b/hacks/critical.c

index 1e8f3a1ab19731ca7283f51a35402ef7647581a7..5a6fae2a8014324eb9422a0cc53a6befb3801e3f 100644 (file)
--- a/hacks/critical.c
+++ b/hacks/critical.c
@@ -199,8 +199,8 @@ setup_colormap (Display *dpy, XWindowAttributes *wattr,
  
    /* Make a colormap */
    *n_colors = get_integer_resource ("ncolors", "Integer");
  
    /* Make a colormap */
    *n_colors = get_integer_resource ("ncolors", "Integer");
-  if (*n_colors < 2)
-    *n_colors = 2;
+  if (*n_colors < 3)
+    *n_colors = 3;
    
    *colors = (XColor *) calloc (sizeof(XColor), *n_colors);
    if (!*colors)
    
    *colors = (XColor *) calloc (sizeof(XColor), *n_colors);
    if (!*colors)
@@ -384,11 +384,3 @@ screenhack (Display *dpy, Window window)
      i_restart = (i_restart + 1) % n_restart;
    }
  }
      i_restart = (i_restart + 1) % n_restart;
    }
  }
-
-
-/*
- * Local variables:
- * c-indent-mode: gnu
- * compile-command "make critical && ./critical"
- * End:
- */
diff --git a/hacks/deco.c b/hacks/deco.c

index ae908051f05120448461673190127960ba973ba7..628deb988184d2b6b5f4ff8b35ca64447af24582 100644 (file)
--- a/hacks/deco.c
+++ b/hacks/deco.c
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 1997, 1998 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1997, 1998, 2002 Jamie Zawinski <jwz@jwz.org>
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
@@ -14,6 +14,8 @@
  
  #include "screenhack.h"
  #include <stdio.h>
  
  #include "screenhack.h"
  #include <stdio.h>
+#include <time.h>
+#include <sys/time.h>
  
  static XColor colors[255];
  static int ncolors = 0;
  
  static XColor colors[255];
  static int ncolors = 0;
diff --git a/hacks/demon.c b/hacks/demon.c

index db0255aefbbee22bdaf4dcaf5d7caf568b9a3cdc..df7ea3e8a501ad1a487a9c09e350c2f86f53b0d8 100644 (file)
--- a/hacks/demon.c
+++ b/hacks/demon.c
@@ -2,7 +2,7 @@
  /* demon --- David Griffeath's cellular automata */
  
  #if !defined( lint ) && !defined( SABER )
  /* demon --- David Griffeath's cellular automata */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)demon.c      4.07 97/11/24 xlockmore";
+static const char sccsid[] = "@(#)demon.c      5.00 2000/11/01 xlockmore";
  
  #endif
  
  
  #endif
  
@@ -22,16 +22,17 @@ static const char sccsid[] = "@(#)demon.c   4.07 97/11/24 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: Compatible with xscreensaver
- * 16-Apr-97: -neighbors 3, 9 (not sound mathematically), 12, and 8 added
- * 30-May-96: Ron Hitchens <ron@idiom.com>
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 16-Apr-1997: -neighbors 3, 9 (not sound mathematically), 12, and 8 added
+ * 30-May-1996: Ron Hitchens <ron@idiom.com>
   *            Fixed memory management that caused leaks
   *            Fixed memory management that caused leaks
- * 14-Apr-96: -neighbors 6 runtime-time option added
- * 21-Aug-95: Coded from A.K. Dewdney's "Computer Recreations", Scientific
- *            American Magazine" Aug 1989 pp 102-105.  Also very similar to
- *            hodgepodge machine described in A.K. Dewdney's "Computer
- *            Recreations", Scientific American Magazine" Aug 1988 pp 104-107.
- *            also used life.c as a guide.
+ * 14-Apr-1996: -neighbors 6 runtime-time option added
+ * 21-Aug-1995: Coded from A.K. Dewdney's "Computer Recreations", Scientific
+ *              American Magazine" Aug 1989 pp 102-105.  Also very similar
+ *              to hodgepodge machine described in A.K. Dewdney's "Computer
+ *              Recreations", Scientific American Magazine" Aug 1988
+ *              pp 104-107.  Also used life.c as a guide.
   */
  
  /*-
   */
  
  /*-
@@ -39,7 +40,7 @@ static const char sccsid[] = "@(#)demon.c     4.07 97/11/24 xlockmore";
   */
  
  /*-
   */
  
  /*-
-  Grid     Number of Neigbors
+  Grid     Number of Neighbors
    ----     ------------------
    Square   4 or 8
    Hexagon  6
    ----     ------------------
    Square   4 or 8
    Hexagon  6
@@ -47,47 +48,64 @@ static const char sccsid[] = "@(#)demon.c   4.07 97/11/24 xlockmore";
  */
  
  #ifdef STANDALONE
  */
  
  #ifdef STANDALONE
+#define MODE_demon
  #define PROGCLASS "Demon"
  #define HACK_INIT init_demon
  #define HACK_DRAW draw_demon
  #define demon_opts xlockmore_opts
  #define PROGCLASS "Demon"
  #define HACK_INIT init_demon
  #define HACK_DRAW draw_demon
  #define demon_opts xlockmore_opts
-#define DEFAULTS       "*delay:        50000 \n"       \
-                                       "*count:            0 \n"       \
-                                       "*cycles:        1000 \n"       \
-                                       "*size:            -7 \n"       \
-                                       "*ncolors:         64 \n"       \
-                                       "*neighbors:    0 \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                /* in xscreensaver distribution */
+#define DEFAULTS "*delay: 50000 \n" \
+ "*count: 0 \n" \
+ "*cycles: 1000 \n" \
+ "*size: -7 \n" \
+ "*ncolors: 64 \n" \
+ "*neighbors: 0 \n"
+#define UNIFORM_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
  #else /* STANDALONE */
  #else /* STANDALONE */
-# include "xlock.h"                    /* in xlockmore distribution */
+#include "xlock.h"             /* in xlockmore distribution */
+
  #endif /* STANDALONE */
  #include "automata.h"
  
  #endif /* STANDALONE */
  #include "automata.h"
  
+#ifdef MODE_demon
+
  /*-
   * neighbors of 0 randomizes it between 3, 4, 6, 8, 9, and 12.
   */
  /*-
   * neighbors of 0 randomizes it between 3, 4, 6, 8, 9, and 12.
   */
-#ifdef STANDALONE
-static int neighbors;
-#else
-extern int  neighbors;
-#endif /* !STANDALONE */
+#define DEF_NEIGHBORS  "0"      /* choose random value */
+
+static int  neighbors;
+
+static XrmOptionDescRec opts[] =
+{
+       {(char *) "-neighbors", (char *) ".demon.neighbors", XrmoptionSepArg, (caddr_t) NULL}
+};
+
+static argtype vars[] =
+{
+       {(caddr_t *) & neighbors, (char *) "neighbors", (char *) "Neighbors", (char *) DEF_NEIGHBORS, t_Int}
+};
+static OptionStruct desc[] =
+{
+       {(char *) "-neighbors num", (char *) "squares 4 or 8, hexagons 6, triangles 3, 9 or 12"}
+};
  
  ModeSpecOpt demon_opts =
  
  ModeSpecOpt demon_opts =
-{0, NULL, 0, NULL, NULL};
+{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
  
  #ifdef USE_MODULES
  ModStruct   demon_description =
  {"demon", "init_demon", "draw_demon", "release_demon",
  
  #ifdef USE_MODULES
  ModStruct   demon_description =
  {"demon", "init_demon", "draw_demon", "release_demon",
- "refresh_demon", "init_demon", NULL, &demon_opts,
+ "refresh_demon", "init_demon", (char *) NULL, &demon_opts,
   50000, 0, 1000, -7, 64, 1.0, "",
   "Shows Griffeath's cellular automata", 0, NULL};
  
  #endif
  
  #define DEMONBITS(n,w,h)\
   50000, 0, 1000, -7, 64, 1.0, "",
   "Shows Griffeath's cellular automata", 0, NULL};
  
  #endif
  
  #define DEMONBITS(n,w,h)\
-  dp->pixmaps[dp->init_bits++]=\
-  XCreatePixmapFromBitmapData(display,window,(char *)n,w,h,1,0,1)
+  if ((dp->pixmaps[dp->init_bits]=\
+  XCreatePixmapFromBitmapData(display,window,(char *)n,w,h,1,0,1))==None){\
+  free_demon(display,dp); return;} else {dp->init_bits++;}
  
  #define REDRAWSTEP 2000                /* How many cells to draw per cycle */
  #define MINSTATES 2
  
  #define REDRAWSTEP 2000                /* How many cells to draw per cycle */
  #define MINSTATES 2
@@ -129,7 +147,7 @@ static char plots[2][NEIGHBORKINDS] =
         {12, 16, 18, 20, 22, 24}        /* Number of states */
  };
  
         {12, 16, 18, 20, 22, 24}        /* Number of states */
  };
  
-static demonstruct *demons = NULL;
+static demonstruct *demons = (demonstruct *) NULL;
  
  static void
  drawcell(ModeInfo * mi, int col, int row, unsigned char state)
  
  static void
  drawcell(ModeInfo * mi, int col, int row, unsigned char state)
@@ -161,8 +179,8 @@ drawcell(ModeInfo * mi, int col, int row, unsigned char state)
                 dp->shape.hexagon[0].x = dp->xb + ccol * dp->xs;
                 dp->shape.hexagon[0].y = dp->yb + crow * dp->ys;
                 if (dp->xs == 1 && dp->ys == 1)
                 dp->shape.hexagon[0].x = dp->xb + ccol * dp->xs;
                 dp->shape.hexagon[0].y = dp->yb + crow * dp->ys;
                 if (dp->xs == 1 && dp->ys == 1)
-                       XFillRectangle(MI_DISPLAY(mi), MI_WINDOW(mi),
-                                      gc, dp->shape.hexagon[0].x, dp->shape.hexagon[0].y, 1, 1);
+                       XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi),
+                                      gc, dp->shape.hexagon[0].x, dp->shape.hexagon[0].y);
                 else
                         XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                             dp->shape.hexagon, 6, Convex, CoordModePrevious);
                 else
                         XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                             dp->shape.hexagon, 6, Convex, CoordModePrevious);
@@ -176,9 +194,9 @@ drawcell(ModeInfo * mi, int col, int row, unsigned char state)
                 dp->shape.triangle[orient][0].x = dp->xb + col * dp->xs;
                 dp->shape.triangle[orient][0].y = dp->yb + row * dp->ys;
                 if (dp->xs <= 3 || dp->ys <= 3)
                 dp->shape.triangle[orient][0].x = dp->xb + col * dp->xs;
                 dp->shape.triangle[orient][0].y = dp->yb + row * dp->ys;
                 if (dp->xs <= 3 || dp->ys <= 3)
-                       XFillRectangle(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
+                       XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                         ((orient) ? -1 : 1) + dp->shape.triangle[orient][0].x,
                         ((orient) ? -1 : 1) + dp->shape.triangle[orient][0].x,
-                                      dp->shape.triangle[orient][0].y, 1, 1);
+                                      dp->shape.triangle[orient][0].y);
                 else {
                         if (orient)
                                 dp->shape.triangle[orient][0].x += (dp->xs / 2 - 1);
                 else {
                         if (orient)
                                 dp->shape.triangle[orient][0].x += (dp->xs / 2 - 1);
@@ -191,18 +209,22 @@ drawcell(ModeInfo * mi, int col, int row, unsigned char state)
         }
  }
  
         }
  }
  
-static void
+static Bool
  addtolist(ModeInfo * mi, int col, int row, unsigned char state)
  {
         demonstruct *dp = &demons[MI_SCREEN(mi)];
         CellList   *current;
  
         current = dp->cellList[state];
  addtolist(ModeInfo * mi, int col, int row, unsigned char state)
  {
         demonstruct *dp = &demons[MI_SCREEN(mi)];
         CellList   *current;
  
         current = dp->cellList[state];
-       dp->cellList[state] = (CellList *) malloc(sizeof (CellList));
+       if ((dp->cellList[state] = (CellList *)
+               malloc(sizeof (CellList))) == NULL) {
+               return False;
+       }
         dp->cellList[state]->pt.x = col;
         dp->cellList[state]->pt.y = row;
         dp->cellList[state]->next = current;
         dp->ncells[state]++;
         dp->cellList[state]->pt.x = col;
         dp->cellList[state]->pt.y = row;
         dp->cellList[state]->next = current;
         dp->ncells[state]++;
+       return True;
  }
  
  #ifdef DEBUG
  }
  
  #ifdef DEBUG
@@ -235,8 +257,8 @@ free_state(demonstruct * dp, int state)
                 dp->cellList[state] = dp->cellList[state]->next;
                 (void) free((void *) current);
         }
                 dp->cellList[state] = dp->cellList[state]->next;
                 (void) free((void *) current);
         }
-       dp->cellList[state] = NULL;
-       if (dp->ncells)
+       dp->cellList[state] = (CellList *) NULL;
+       if (dp->ncells != NULL)
                 dp->ncells[state] = 0;
  }
  
                 dp->ncells[state] = 0;
  }
  
@@ -249,7 +271,7 @@ free_list(demonstruct * dp)
         for (state = 0; state < dp->states; state++)
                 free_state(dp, state);
         (void) free((void *) dp->cellList);
         for (state = 0; state < dp->states; state++)
                 free_state(dp, state);
         (void) free((void *) dp->cellList);
-       dp->cellList = NULL;
+       dp->cellList = (CellList **) NULL;
  }
  
  static void
  }
  
  static void
@@ -260,19 +282,35 @@ free_struct(demonstruct * dp)
         }
         if (dp->ncells != NULL) {
                 (void) free((void *) dp->ncells);
         }
         if (dp->ncells != NULL) {
                 (void) free((void *) dp->ncells);
-               dp->ncells = NULL;
+               dp->ncells = (int *) NULL;
         }
         if (dp->oldcell != NULL) {
                 (void) free((void *) dp->oldcell);
         }
         if (dp->oldcell != NULL) {
                 (void) free((void *) dp->oldcell);
-               dp->oldcell = NULL;
+               dp->oldcell = (unsigned char *) NULL;
         }
         if (dp->newcell != NULL) {
                 (void) free((void *) dp->newcell);
         }
         if (dp->newcell != NULL) {
                 (void) free((void *) dp->newcell);
-               dp->newcell = NULL;
+               dp->newcell = (unsigned char *) NULL;
         }
  }
  
  static void
         }
  }
  
  static void
+free_demon(Display *display, demonstruct *dp)
+{
+       int         shade;
+
+       if (dp->stippledGC != None) {
+               XFreeGC(display, dp->stippledGC);
+               dp->stippledGC = None;
+       }
+       for (shade = 0; shade < dp->init_bits; shade++) {
+               XFreePixmap(display, dp->pixmaps[shade]);
+       }
+       dp->init_bits = 0;
+       free_struct(dp);
+}
+
+static Bool
  draw_state(ModeInfo * mi, int state)
  {
         demonstruct *dp = &demons[MI_SCREEN(mi)];
  draw_state(ModeInfo * mi, int state)
  {
         demonstruct *dp = &demons[MI_SCREEN(mi)];
@@ -309,8 +347,8 @@ draw_state(ModeInfo * mi, int state)
                         dp->shape.hexagon[0].x = dp->xb + ccol * dp->xs;
                         dp->shape.hexagon[0].y = dp->yb + crow * dp->ys;
                         if (dp->xs == 1 && dp->ys == 1)
                         dp->shape.hexagon[0].x = dp->xb + ccol * dp->xs;
                         dp->shape.hexagon[0].y = dp->yb + crow * dp->ys;
                         if (dp->xs == 1 && dp->ys == 1)
-                               XFillRectangle(MI_DISPLAY(mi), MI_WINDOW(mi),
-                                              gc, dp->shape.hexagon[0].x, dp->shape.hexagon[0].y, 1, 1);
+                               XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi),
+                                              gc, dp->shape.hexagon[0].x, dp->shape.hexagon[0].y);
                         else
                                 XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                                              dp->shape.hexagon, 6, Convex, CoordModePrevious);
                         else
                                 XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                                              dp->shape.hexagon, 6, Convex, CoordModePrevious);
@@ -321,7 +359,10 @@ draw_state(ModeInfo * mi, int state)
                 int         ncells = 0;
  
                 /* Create Rectangle list from part of the cellList */
                 int         ncells = 0;
  
                 /* Create Rectangle list from part of the cellList */
-               rects = (XRectangle *) malloc(dp->ncells[state] * sizeof (XRectangle));
+               if ((rects = (XRectangle *) malloc(dp->ncells[state] *
+                        sizeof (XRectangle))) == NULL) {
+                       return False;
+               }
                 current = dp->cellList[state];
                 while (current) {
                         rects[ncells].x = dp->xb + current->pt.x * dp->xs;
                 current = dp->cellList[state];
                 while (current) {
                         rects[ncells].x = dp->xb + current->pt.x * dp->xs;
@@ -346,9 +387,9 @@ draw_state(ModeInfo * mi, int state)
                         dp->shape.triangle[orient][0].x = dp->xb + col * dp->xs;
                         dp->shape.triangle[orient][0].y = dp->yb + row * dp->ys;
                         if (dp->xs <= 3 || dp->ys <= 3)
                         dp->shape.triangle[orient][0].x = dp->xb + col * dp->xs;
                         dp->shape.triangle[orient][0].y = dp->yb + row * dp->ys;
                         if (dp->xs <= 3 || dp->ys <= 3)
-                               XFillRectangle(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
+                               XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                                                ((orient) ? -1 : 1) + dp->shape.triangle[orient][0].x,
                                                ((orient) ? -1 : 1) + dp->shape.triangle[orient][0].x,
-                                     dp->shape.triangle[orient][0].y, 1, 1);
+                                     dp->shape.triangle[orient][0].y);
                         else {
                                 if (orient)
                                         dp->shape.triangle[orient][0].x += (dp->xs / 2 - 1);
                         else {
                                 if (orient)
                                         dp->shape.triangle[orient][0].x += (dp->xs / 2 - 1);
@@ -362,6 +403,7 @@ draw_state(ModeInfo * mi, int state)
         }
         free_state(dp, state);
         XFlush(MI_DISPLAY(mi));
         }
         free_state(dp, state);
         XFlush(MI_DISPLAY(mi));
+       return True;
  }
  
  static void
  }
  
  static void
@@ -374,7 +416,8 @@ RandomSoup(ModeInfo * mi)
                 for (col = 0; col < dp->ncols; ++col) {
                         dp->oldcell[col + mrow] =
                                 (unsigned char) LRAND() % ((unsigned char) dp->states);
                 for (col = 0; col < dp->ncols; ++col) {
                         dp->oldcell[col + mrow] =
                                 (unsigned char) LRAND() % ((unsigned char) dp->states);
-                       addtolist(mi, col, row, dp->oldcell[col + mrow]);
+                       if (!addtolist(mi, col, row, dp->oldcell[col + mrow]))
+                               return; /* sparse soup */
                 }
                 mrow += dp->ncols;
         }
                 }
                 mrow += dp->ncols;
         }
@@ -394,6 +437,7 @@ init_demon(ModeInfo * mi)
                         return;
         }
         dp = &demons[MI_SCREEN(mi)];
                         return;
         }
         dp = &demons[MI_SCREEN(mi)];
+
         dp->generation = 0;
         dp->redrawing = 0;
         if (MI_NPIXELS(mi) < NUMSTIPPLES) {
         dp->generation = 0;
         dp->redrawing = 0;
         if (MI_NPIXELS(mi) < NUMSTIPPLES) {
@@ -401,13 +445,18 @@ init_demon(ModeInfo * mi)
                         XGCValues   gcv;
  
                         gcv.fill_style = FillOpaqueStippled;
                         XGCValues   gcv;
  
                         gcv.fill_style = FillOpaqueStippled;
-                       dp->stippledGC = XCreateGC(display, window, GCFillStyle, &gcv);
+                       if ((dp->stippledGC = XCreateGC(display, window,
+                                GCFillStyle, &gcv)) == None) {
+                               free_demon(display, dp);
+                               return;
+                       }
                 }
                 if (dp->init_bits == 0) {
                         int         i;
  
                 }
                 if (dp->init_bits == 0) {
                         int         i;
  
-                       for (i = 1; i < NUMSTIPPLES; i++)
+                       for (i = 1; i < NUMSTIPPLES; i++) {
                                 DEMONBITS(stipples[i], STIPPLESIZE, STIPPLESIZE);
                                 DEMONBITS(stipples[i], STIPPLESIZE, STIPPLESIZE);
+                       }
                 }
         }
         free_struct(dp);
                 }
         }
         free_struct(dp);
@@ -429,8 +478,15 @@ init_demon(ModeInfo * mi)
                 dp->states = NRAND(-dp->states - MINSTATES + 1) + MINSTATES;
         else if (dp->states < MINSTATES)
                 dp->states = plots[1][nk];
                 dp->states = NRAND(-dp->states - MINSTATES + 1) + MINSTATES;
         else if (dp->states < MINSTATES)
                 dp->states = plots[1][nk];
-       dp->cellList = (CellList **) calloc(dp->states, sizeof (CellList *));
-       dp->ncells = (int *) calloc(dp->states, sizeof (int));
+       if ((dp->cellList = (CellList **) calloc(dp->states,
+               sizeof (CellList *))) == NULL) {
+               free_demon(display, dp);
+               return;
+       }
+       if ((dp->ncells = (int *) calloc(dp->states, sizeof (int))) == NULL) {
+               free_demon(display, dp);
+               return;
+       }
  
         dp->state = 0;
  
  
         dp->state = 0;
  
@@ -440,10 +496,10 @@ init_demon(ModeInfo * mi)
         if (dp->neighbors == 6) {
                 int         nccols, ncrows, i;
  
         if (dp->neighbors == 6) {
                 int         nccols, ncrows, i;
  
-               if (dp->width < 2)
-                       dp->width = 2;
-               if (dp->height < 4)
-                       dp->height = 4;
+               if (dp->width < 8)
+                       dp->width = 8;
+               if (dp->height < 8)
+                       dp->height = 8;
                 if (size < -MINSIZE)
                         dp->ys = NRAND(MIN(-size, MAX(MINSIZE, MIN(dp->width, dp->height) /
                                       MINGRIDSIZE)) - MINSIZE + 1) + MINSIZE;
                 if (size < -MINSIZE)
                         dp->ys = NRAND(MIN(-size, MAX(MINSIZE, MIN(dp->width, dp->height) /
                                       MINGRIDSIZE)) - MINSIZE + 1) + MINSIZE;
@@ -457,11 +513,11 @@ init_demon(ModeInfo * mi)
                                                MINGRIDSIZE));
                 dp->xs = dp->ys;
                 nccols = MAX(dp->width / dp->xs - 2, 2);
                                                MINGRIDSIZE));
                 dp->xs = dp->ys;
                 nccols = MAX(dp->width / dp->xs - 2, 2);
-               ncrows = MAX(dp->height / dp->ys - 1, 2);
+               ncrows = MAX(dp->height / dp->ys - 1, 4);
                 dp->ncols = nccols / 2;
                 dp->nrows = 2 * (ncrows / 4);
                 dp->xb = (dp->width - dp->xs * nccols) / 2 + dp->xs / 2;
                 dp->ncols = nccols / 2;
                 dp->nrows = 2 * (ncrows / 4);
                 dp->xb = (dp->width - dp->xs * nccols) / 2 + dp->xs / 2;
-               dp->yb = (dp->height - dp->ys * (ncrows / 2) * 2) / 2 + dp->ys;
+               dp->yb = (dp->height - dp->ys * (ncrows / 2) * 2) / 2 + dp->ys - 2;
                 for (i = 0; i < 6; i++) {
                         dp->shape.hexagon[i].x = (dp->xs - 1) * hexagonUnit[i].x;
                         dp->shape.hexagon[i].y = ((dp->ys - 1) * hexagonUnit[i].y / 2) * 4 / 3;
                 for (i = 0; i < 6; i++) {
                         dp->shape.hexagon[i].x = (dp->xs - 1) * hexagonUnit[i].x;
                         dp->shape.hexagon[i].y = ((dp->ys - 1) * hexagonUnit[i].y / 2) * 4 / 3;
@@ -518,11 +574,17 @@ init_demon(ModeInfo * mi)
  
         MI_CLEARWINDOW(mi);
  
  
         MI_CLEARWINDOW(mi);
  
-       dp->oldcell = (unsigned char *)
-               malloc(dp->ncols * dp->nrows * sizeof (unsigned char));
+       if ((dp->oldcell = (unsigned char *)
+               malloc(dp->ncols * dp->nrows * sizeof (unsigned char))) == NULL) {
+               free_demon(display, dp);
+               return;
+       }
  
  
-       dp->newcell = (unsigned char *)
-               malloc(dp->ncols * dp->nrows * sizeof (unsigned char));
+       if ((dp->newcell = (unsigned char *)
+               malloc(dp->ncols * dp->nrows * sizeof (unsigned char))) == NULL) {
+               free_demon(display, dp);
+               return;
+       }
  
         RandomSoup(mi);
  }
  
         RandomSoup(mi);
  }
@@ -530,11 +592,16 @@ init_demon(ModeInfo * mi)
  void
  draw_demon(ModeInfo * mi)
  {
  void
  draw_demon(ModeInfo * mi)
  {
-       demonstruct *dp = &demons[MI_SCREEN(mi)];
         int         i, j, k, l, mj = 0, ml;
         int         i, j, k, l, mj = 0, ml;
+       demonstruct *dp;
  
  
-       MI_IS_DRAWN(mi) = True;
+       if (demons == NULL)
+               return;
+       dp = &demons[MI_SCREEN(mi)];
+       if (dp->cellList == NULL)
+               return;
  
  
+       MI_IS_DRAWN(mi) = True;
         if (dp->state >= dp->states) {
                 (void) memcpy((char *) dp->newcell, (char *) dp->oldcell,
                               dp->ncols * dp->nrows * sizeof (unsigned char));
         if (dp->state >= dp->states) {
                 (void) memcpy((char *) dp->newcell, (char *) dp->oldcell,
                               dp->ncols * dp->nrows * sizeof (unsigned char));
@@ -554,7 +621,6 @@ draw_demon(ModeInfo * mi)
                                                 dp->newcell[i + mj] = dp->oldcell[k + ml];
                                         /* E */
                                         k = (i + 1 == dp->ncols) ? 0 : i + 1;
                                                 dp->newcell[i + mj] = dp->oldcell[k + ml];
                                         /* E */
                                         k = (i + 1 == dp->ncols) ? 0 : i + 1;
-                                       l = j;
                                         ml = mj;
                                         if (dp->oldcell[k + ml] ==
                                             (int) (dp->oldcell[i + mj] + 1) % dp->states)
                                         ml = mj;
                                         if (dp->oldcell[k + ml] ==
                                             (int) (dp->oldcell[i + mj] + 1) % dp->states)
@@ -581,7 +647,6 @@ draw_demon(ModeInfo * mi)
                                                 dp->newcell[i + mj] = dp->oldcell[k + ml];
                                         /* W */
                                         k = (!i) ? dp->ncols - 1 : i - 1;
                                                 dp->newcell[i + mj] = dp->oldcell[k + ml];
                                         /* W */
                                         k = (!i) ? dp->ncols - 1 : i - 1;
-                                       l = j;
                                         ml = mj;
                                         if (dp->oldcell[k + ml] ==
                                             (int) (dp->oldcell[i + mj] + 1) % dp->states)
                                         ml = mj;
                                         if (dp->oldcell[k + ml] ==
                                             (int) (dp->oldcell[i + mj] + 1) % dp->states)
@@ -611,7 +676,6 @@ draw_demon(ModeInfo * mi)
                                                 dp->newcell[i + mj] = dp->oldcell[k + ml];
                                         /* E */
                                         k = (i + 1 == dp->ncols) ? 0 : i + 1;
                                                 dp->newcell[i + mj] = dp->oldcell[k + ml];
                                         /* E */
                                         k = (i + 1 == dp->ncols) ? 0 : i + 1;
-                                       l = j;
                                         ml = mj;
                                         if (dp->oldcell[k + ml] ==
                                             (int) (dp->oldcell[i + mj] + 1) % dp->states)
                                         ml = mj;
                                         if (dp->oldcell[k + ml] ==
                                             (int) (dp->oldcell[i + mj] + 1) % dp->states)
@@ -676,7 +740,6 @@ draw_demon(ModeInfo * mi)
                                         if ((i + j) % 2) {      /* right */
                                                 /* W */
                                                 k = (!i) ? dp->ncols - 1 : i - 1;
                                         if ((i + j) % 2) {      /* right */
                                                 /* W */
                                                 k = (!i) ? dp->ncols - 1 : i - 1;
-                                               l = j;
                                                 ml = mj;
                                                 if (dp->oldcell[k + ml] ==
                                                     (int) (dp->oldcell[i + mj] + 1) % dp->states)
                                                 ml = mj;
                                                 if (dp->oldcell[k + ml] ==
                                                     (int) (dp->oldcell[i + mj] + 1) % dp->states)
@@ -684,7 +747,6 @@ draw_demon(ModeInfo * mi)
                                         } else {        /* left */
                                                 /* E */
                                                 k = (i + 1 == dp->ncols) ? 0 : i + 1;
                                         } else {        /* left */
                                                 /* E */
                                                 k = (i + 1 == dp->ncols) ? 0 : i + 1;
-                                               l = j;
                                                 ml = mj;
                                                 if (dp->oldcell[k + ml] ==
                                                     (int) (dp->oldcell[i + mj] + 1) % dp->states)
                                                 ml = mj;
                                                 if (dp->oldcell[k + ml] ==
                                                     (int) (dp->oldcell[i + mj] + 1) % dp->states)
@@ -846,7 +908,10 @@ draw_demon(ModeInfo * mi)
                         for (i = 0; i < dp->ncols; i++)
                                 if (dp->oldcell[i + mj] != dp->newcell[i + mj]) {
                                         dp->oldcell[i + mj] = dp->newcell[i + mj];
                         for (i = 0; i < dp->ncols; i++)
                                 if (dp->oldcell[i + mj] != dp->newcell[i + mj]) {
                                         dp->oldcell[i + mj] = dp->newcell[i + mj];
-                                       addtolist(mi, i, j, dp->oldcell[i + mj]);
+                                       if (!addtolist(mi, i, j, dp->oldcell[i + mj])) {
+                                               free_demon(MI_DISPLAY(mi), dp);
+                                               return;
+                                       }
                                 }
                         mj += dp->ncols;
                 }
                                 }
                         mj += dp->ncols;
                 }
@@ -855,7 +920,10 @@ draw_demon(ModeInfo * mi)
                 dp->state = 0;
         } else {
                 if (dp->ncells[dp->state])
                 dp->state = 0;
         } else {
                 if (dp->ncells[dp->state])
-                       draw_state(mi, dp->state);
+                       if (!draw_state(mi, dp->state)) {
+                               free_demon(MI_DISPLAY(mi), dp);
+                               return;
+                       }
                 dp->state++;
         }
         if (dp->redrawing) {
                 dp->state++;
         }
         if (dp->redrawing) {
@@ -877,26 +945,24 @@ release_demon(ModeInfo * mi)
         if (demons != NULL) {
                 int         screen;
  
         if (demons != NULL) {
                 int         screen;
  
-               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
-                       demonstruct *dp = &demons[screen];
-                       int         shade;
-
-                       if (dp->stippledGC != None) {
-                               XFreeGC(MI_DISPLAY(mi), dp->stippledGC);
-                       }
-                       for (shade = 0; shade < dp->init_bits; shade++)
-                               XFreePixmap(MI_DISPLAY(mi), dp->pixmaps[shade]);
-                       free_struct(dp);
-               }
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_demon(MI_DISPLAY(mi), &demons[screen]);
                 (void) free((void *) demons);
                 (void) free((void *) demons);
-               demons = NULL;
+               demons = (demonstruct *) NULL;
         }
         }
-} void
+}
  
  
+void
  refresh_demon(ModeInfo * mi)
  {
  refresh_demon(ModeInfo * mi)
  {
-       demonstruct *dp = &demons[MI_SCREEN(mi)];
+       demonstruct *dp;
+
+       if (demons == NULL)
+               return;
+       dp = &demons[MI_SCREEN(mi)];
  
         dp->redrawing = 1;
         dp->redrawpos = 0;
  }
  
         dp->redrawing = 1;
         dp->redrawpos = 0;
  }
+
+#endif /* MODE_demon */
diff --git a/hacks/discrete.c b/hacks/discrete.c

index 7f336a65d2e47044ea73794d53d9d010f728aa60..bf251f579d3f8f1d18e02819554107e2f7b4bf57 100644 (file)
--- a/hacks/discrete.c
+++ b/hacks/discrete.c
@@ -2,12 +2,12 @@
  /* discrete --- chaotic mappings */
  
  #if !defined( lint ) && !defined( SABER )
  /* discrete --- chaotic mappings */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)discrete.c 4.10 98/04/24 xlockmore";
+static const char sccsid[] = "@(#)discrete.c   5.00 2000/11/01 xlockmore";
  
  #endif
  
  /*-
  
  #endif
  
  /*-
- * Copyright (c) 1996 by Tim Auckland <Tim.Auckland@Sun.COM>
+ * Copyright (c) 1996 by Tim Auckland <Tim.Auckland@Procket.com>
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -27,36 +27,37 @@ static const char sccsid[] = "@(#)discrete.c 4.10 98/04/24 xlockmore";
   * Map" and the "Bird in a Thornbush" fractal.
   *
   * Revision History:
   * Map" and the "Bird in a Thornbush" fractal.
   *
   * Revision History:
- * 31-Jul-97: Ported to xlockmore-4
- * 08-Aug-96: Adapted from hop.c Copyright (c) 1991 by Patrick J. Naughton.
+ * 01-Nov-2000: Allocation checks
+ * 31-Jul-1997: Ported to xlockmore-4
+ * 08-Aug-1996: Adapted from hop.c Copyright (c) 1991 by Patrick J. Naughton.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS             "Discrete"
-# define HACK_INIT             init_discrete
-# define HACK_DRAW             draw_discrete
-# define discrete_opts xlockmore_opts
-# define SMOOTH_COLORS
-# define BRIGHT_COLORS
-# define DEFAULTS              "*delay:  1000 \n" \
-                                               "*count:  4096 \n" \
-                                               "*cycles: 2500 \n" \
-                                               "*ncolors: 100 \n"
-
-# include "xlockmore.h"                /* in xscreensaver distribution */
-# include "erase.h"
-
+#define MODE_discrete
+#define PROGCLASS "Discrete"
+#define HACK_INIT init_discrete
+#define HACK_DRAW draw_discrete
+#define discrete_opts xlockmore_opts
+#define DEFAULTS "*delay: 1000 \n" \
+ "*count: 4096 \n" \
+ "*cycles: 2500 \n" \
+ "*ncolors: 100 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#include "erase.h"
  #else /* STANDALONE */
  #else /* STANDALONE */
-# include "xlock.h"            /* in xlockmore distribution */
+#include "xlock.h"             /* in xlockmore distribution */
  #endif /* STANDALONE */
  
  #endif /* STANDALONE */
  
+#ifdef MODE_discrete
+
  ModeSpecOpt discrete_opts =
  ModeSpecOpt discrete_opts =
-{0, NULL, 0, NULL, NULL};
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
  
  #ifdef USE_MODULES
  ModStruct   discrete_description =
  {"discrete", "init_discrete", "draw_discrete", "release_discrete",
  
  #ifdef USE_MODULES
  ModStruct   discrete_description =
  {"discrete", "init_discrete", "draw_discrete", "release_discrete",
- "refresh_discrete", "init_discrete", NULL, &discrete_opts,
+ "refresh_discrete", "init_discrete", (char *) NULL, &discrete_opts,
   1000, 4096, 2500, 1, 64, 1.0, "",
   "Shows various discrete maps", 0, NULL};
  
   1000, 4096, 2500, 1, 64, 1.0, "",
   "Shows various discrete maps", 0, NULL};
  
@@ -69,7 +70,7 @@ enum ftypes {
  /*#define TEST STANDARD */
  
  #define BIASES 18
  /*#define TEST STANDARD */
  
  #define BIASES 18
-static int  bias[BIASES] =
+static enum ftypes bias[BIASES] =
  {
         STANDARD, STANDARD, STANDARD, STANDARD,
         SQRT, SQRT, SQRT, SQRT,
  {
         STANDARD, STANDARD, STANDARD, STANDARD,
         SQRT, SQRT, SQRT, SQRT,
@@ -101,7 +102,7 @@ typedef struct {
         XPoint     *pointBuffer;        /* pointer for XDrawPoints */
  } discretestruct;
  
         XPoint     *pointBuffer;        /* pointer for XDrawPoints */
  } discretestruct;
  
-static discretestruct *discretes = NULL;
+static discretestruct *discretes = (discretestruct *) NULL;
  
  void
  init_discrete(ModeInfo * mi)
  
  void
  init_discrete(ModeInfo * mi)
@@ -117,7 +118,6 @@ init_discrete(ModeInfo * mi)
         }
         hp = &discretes[MI_SCREEN(mi)];
  
         }
         hp = &discretes[MI_SCREEN(mi)];
  
-
         hp->maxx = MI_WIDTH(mi);
         hp->maxy = MI_HEIGHT(mi);
  #ifdef TEST
         hp->maxx = MI_WIDTH(mi);
         hp->maxy = MI_HEIGHT(mi);
  #ifdef TEST
@@ -239,12 +239,15 @@ init_discrete(ModeInfo * mi)
         hp->pix = 0;
         hp->inc = 0;
  
         hp->pix = 0;
         hp->inc = 0;
  
-       if (hp->pointBuffer == NULL)
-               hp->pointBuffer = (XPoint *) malloc(MI_COUNT(mi) * sizeof (XPoint));
+       if (hp->pointBuffer == NULL) {
+               hp->pointBuffer = (XPoint *) malloc(sizeof (XPoint) * MI_COUNT(mi));
+               /* if fails will check later */
+       }
  
         /* Clear the background. */
         MI_CLEARWINDOW(mi);
  
  
         /* Clear the background. */
         MI_CLEARWINDOW(mi);
  
+       XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_WHITE_PIXEL(mi));
         hp->count = 0;
  }
  
         hp->count = 0;
  }
  
@@ -255,18 +258,26 @@ draw_discrete(ModeInfo * mi)
         Display    *dsp = MI_DISPLAY(mi);
         Window      win = MI_WINDOW(mi);
         double      oldj, oldi;
         Display    *dsp = MI_DISPLAY(mi);
         Window      win = MI_WINDOW(mi);
         double      oldj, oldi;
-       int         batchcount = MI_COUNT(mi);
+       int         count = MI_COUNT(mi);
         int         cycles = MI_CYCLES(mi);
         int         k;
         XPoint     *xp;
         GC          gc = MI_GC(mi);
         int         cycles = MI_CYCLES(mi);
         int         k;
         XPoint     *xp;
         GC          gc = MI_GC(mi);
-       discretestruct *hp = &discretes[MI_SCREEN(mi)];
+       discretestruct *hp;
  
  
-       k = batchcount;
+       if (discretes == NULL)
+               return;
+       hp = &discretes[MI_SCREEN(mi)];
+       if (hp->pointBuffer == NULL)
+               return;
+
+       k = count;
         xp = hp->pointBuffer;
  
         hp->inc++;
  
         xp = hp->pointBuffer;
  
         hp->inc++;
  
+       MI_IS_DRAWN(mi) = True;
+
         if (MI_NPIXELS(mi) > 2) {
                 XSetForeground(dsp, gc, MI_PIXEL(mi, hp->pix));
                 if (++hp->pix >= MI_NPIXELS(mi))
         if (MI_NPIXELS(mi) > 2) {
                 XSetForeground(dsp, gc, MI_PIXEL(mi, hp->pix));
                 if (++hp->pix >= MI_NPIXELS(mi))
@@ -289,18 +300,18 @@ draw_discrete(ModeInfo * mi)
  #endif
  #define HD
  #ifdef HD
  #endif
  #define HD
  #ifdef HD
-                                       if (k < batchcount / 4) {
-                                               hp->i = ((double) k / batchcount) * 8 - 1;
+                                       if (k < count / 4) {
+                                               hp->i = ((double) k / count) * 8 - 1;
                                                 hp->j = 1;
                                                 hp->j = 1;
-                                       } else if (k < batchcount / 2) {
+                                       } else if (k < count / 2) {
                                                 hp->i = 1;
                                                 hp->i = 1;
-                                               hp->j = 3 - ((double) k / batchcount) * 8;
-                                       } else if (k < 3 * batchcount / 4) {
-                                               hp->i = 5 - ((double) k / batchcount) * 8;
+                                               hp->j = 3 - ((double) k / count) * 8;
+                                       } else if (k < 3 * count / 4) {
+                                               hp->i = 5 - ((double) k / count) * 8;
                                                 hp->j = -1;
                                         } else {
                                                 hp->i = -1;
                                                 hp->j = -1;
                                         } else {
                                                 hp->i = -1;
-                                               hp->j = ((double) k / batchcount) * 8 - 7;
+                                               hp->j = ((double) k / count) * 8 - 7;
                                         }
                                         for (i = 1; i < (hp->inc % 15); i++) {
                                                 oldj = hp->j;
                                         }
                                         for (i = 1; i < (hp->inc % 15); i++) {
                                                 oldj = hp->j;
@@ -370,6 +381,8 @@ draw_discrete(ModeInfo * mi)
                                 hp->i = ((LRAND() < MAXRAND / 2) ? -1 : 1) *
                                         sqrt(((oldi - hp->a) +
                                               sqrt((oldi - hp->a) * (oldi - hp->a) + (oldj - hp->b) * (oldj - hp->b))) / 2);
                                 hp->i = ((LRAND() < MAXRAND / 2) ? -1 : 1) *
                                         sqrt(((oldi - hp->a) +
                                               sqrt((oldi - hp->a) * (oldi - hp->a) + (oldj - hp->b) * (oldj - hp->b))) / 2);
+                               if (hp->i < 0.00000001 && hp->i > -0.00000001)
+                                       hp->i = (hp->i > 0.0) ? 0.00000001 : -0.00000001;
                                 hp->j = (oldj - hp->b) / (2 * hp->i);
                                 break;
                 }
                                 hp->j = (oldj - hp->b) / (2 * hp->i);
                                 break;
                 }
@@ -377,7 +390,7 @@ draw_discrete(ModeInfo * mi)
                 xp->y = hp->maxy / 2 - (int) ((hp->j - hp->jc) * hp->js);
                 xp++;
         }
                 xp->y = hp->maxy / 2 - (int) ((hp->j - hp->jc) * hp->js);
                 xp++;
         }
-       XDrawPoints(dsp, win, gc, hp->pointBuffer, batchcount, CoordModeOrigin);
+       XDrawPoints(dsp, win, gc, hp->pointBuffer, count, CoordModeOrigin);
         if (++hp->count > cycles) {
  #ifdef STANDALONE
                 erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
         if (++hp->count > cycles) {
  #ifdef STANDALONE
                 erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
@@ -395,11 +408,13 @@ release_discrete(ModeInfo * mi)
                 for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
                         discretestruct *hp = &discretes[screen];
  
                 for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
                         discretestruct *hp = &discretes[screen];
  
-                       if (hp->pointBuffer != NULL)
+                       if (hp->pointBuffer != NULL) {
                                 (void) free((void *) hp->pointBuffer);
                                 (void) free((void *) hp->pointBuffer);
+                               /* hp->pointBuffer = NULL; */
+                       }
                 }
                 (void) free((void *) discretes);
                 }
                 (void) free((void *) discretes);
-               discretes = NULL;
+               discretes = (discretestruct *) NULL;
         }
  }
  
         }
  }
  
@@ -408,3 +423,5 @@ refresh_discrete(ModeInfo * mi)
  {
         MI_CLEARWINDOW(mi);
  }
  {
         MI_CLEARWINDOW(mi);
  }
+
+#endif /* MODE_discrete */
diff --git a/hacks/drift.c b/hacks/drift.c

index 6e5399fea4f7eb14fea62ecdc0f13534895a61ae..8b4aa63ca5df6836e7a26234177c1b7d97b118d9 100644 (file)
--- a/hacks/drift.c
+++ b/hacks/drift.c
@@ -1,11 +1,13 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * drift --- drifting recursive fractal cosmic flames.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* drift --- drifting recursive fractal cosmic flames */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)drift.c      4.02 97/04/01 xlockmore";
+static const char sccsid[] = "@(#)drift.c      5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1991 by Patrick J. Naughton.
+/*-
+ * Copyright (c) 1991 by Patrick J. Naughton.
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -20,35 +22,33 @@ static const char sccsid[] = "@(#)drift.c   4.02 97/04/01 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- * 01-Jan-97: Moved new flame to drift.  Compile time options now run time.
- * 01-Jun-95: Updated by Scott Draves.
- * 27-Jun-91: vary number of functions used.
- * 24-Jun-91: fixed portability problem with integer mod (%).
- * 06-Jun-91: Written. (received from Scott Draves, spot@cs.cmu.edu).
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Jamie Zawinski <jwz@jwz.org> compatible with xscreensaver
+ * 01-Jan-1997: Moved new flame to drift.  Compile time options now run time.
+ * 01-Jun-1995: Updated by Scott Draves.
+ * 27-Jun-1991: vary number of functions used.
+ * 24-Jun-1991: fixed portability problem with integer mod (%).
+ * 06-Jun-1991: Written, received from Scott Draves <spot@cs.cmu.edu>
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Drift"
-# define HACK_INIT                                     init_drift
-# define HACK_DRAW                                     draw_drift
-# define drift_opts                                    xlockmore_opts
-# define DEFAULTS      "*count:                30    \n"                       \
-                                       "*delay:                10000 \n"                       \
-                                       "*ncolors:              200   \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-# include "erase.h"
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
+#define MODE_drift
+#define PROGCLASS "Drift"
+#define HACK_INIT init_drift
+#define HACK_DRAW draw_drift
+#define drift_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+ "*count: 30 \n" \
+ "*ncolors: 200 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#include "erase.h"
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
  
  
+#endif /* STANDALONE */
  
  
-#define MAXBATCH1      200     /* mono */
-#define MAXBATCH2      20      /* color */
-#define FUSE           10      /* discard this many initial iterations */
-#define NMAJORVARS     7
-#define MAXLEV 10
+#ifdef MODE_drift
  
  #define DEF_GROW "False"       /* Grow fractals instead of animating one at a time,
                                    would then be like flame */
  
  #define DEF_GROW "False"       /* Grow fractals instead of animating one at a time,
                                    would then be like flame */
@@ -62,24 +62,39 @@ static Bool liss;
  
  static XrmOptionDescRec opts[] =
  {
  
  static XrmOptionDescRec opts[] =
  {
-       {"-grow", ".drift.grow", XrmoptionNoArg, (caddr_t) "on"},
-       {"+grow", ".drift.grow", XrmoptionNoArg, (caddr_t) "off"},
-       {"-liss", ".drift.trail", XrmoptionNoArg, (caddr_t) "on"},
-       {"+liss", ".drift.trail", XrmoptionNoArg, (caddr_t) "off"}
+       {(char *) "-grow", (char *) ".drift.grow", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+grow", (char *) ".drift.grow", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-liss", (char *) ".drift.trail", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+liss", (char *) ".drift.trail", XrmoptionNoArg, (caddr_t) "off"}
  };
  static argtype vars[] =
  {
  };
  static argtype vars[] =
  {
-       {(caddr_t *) & grow, "grow", "Grow", DEF_GROW, t_Bool},
-       {(caddr_t *) & liss, "liss", "Liss", DEF_LISS, t_Bool}
+       {(caddr_t *) & grow, (char *) "grow", (char *) "Grow", (char *) DEF_GROW, t_Bool},
+       {(caddr_t *) & liss, (char *) "liss", (char *) "Liss", (char *) DEF_LISS, t_Bool}
  };
  static OptionStruct desc[] =
  {
  };
  static OptionStruct desc[] =
  {
-       {"-/+grow", "turn on/off growing fractals, else they are animated"},
-       {"-/+liss", "turn on/off using lissojous figures to get points"}
+       {(char *) "-/+grow", (char *) "turn on/off growing fractals, else they are animated"},
+       {(char *) "-/+liss", (char *) "turn on/off using lissojous figures to get points"}
  };
  
  };
  
-ModeSpecOpt drift_opts = { 4, opts, 2, vars, desc };
+ModeSpecOpt drift_opts =
+{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
+
+#ifdef USE_MODULES
+ModStruct   drift_description =
+{"drift", "init_drift", "draw_drift", "release_drift",
+ "refresh_drift", "init_drift", (char *) NULL, &drift_opts,
+ 10000, 30, 1, 1, 64, 1.0, "",
+ "Shows cosmic drifting flame fractals", 0, NULL};
+
+#endif
  
  
+#define MAXBATCH1      200     /* mono */
+#define MAXBATCH2      20      /* color */
+#define FUSE           10      /* discard this many initial iterations */
+#define NMAJORVARS     7
+#define MAXLEV 10
  
  typedef struct {
         /* shape of current flame */
  
  typedef struct {
         /* shape of current flame */
@@ -109,81 +124,81 @@ typedef struct {
         XPoint      pts[MAXBATCH1];     /* here they are */
         unsigned long pixcol;
         /* when drawing in color, we have a buffer per color */
         XPoint      pts[MAXBATCH1];     /* here they are */
         unsigned long pixcol;
         /* when drawing in color, we have a buffer per color */
-       int         ncpoints[NUMCOLORS];
-       XPoint      cpts[NUMCOLORS][MAXBATCH2];
+       int        *ncpoints;
+       XPoint     *cpts;
  
         double      x, y, c;
         int         liss_time;
         Bool        grow, liss;
  
         double      x, y, c;
         int         liss_time;
         Bool        grow, liss;
+
+       short       lasthalf;
+       long        saved_random_bits;
+       int         nbits;
  } driftstruct;
  
  } driftstruct;
  
-static driftstruct *drifts = NULL;
+static driftstruct *drifts = (driftstruct *) NULL;
  
  static short
  
  static short
-halfrandom(int mv)
+halfrandom(driftstruct * dp, int mv)
  {
  {
-       static short lasthalf = 0;
         unsigned long r;
  
         unsigned long r;
  
-       if (lasthalf) {
-               r = lasthalf;
-               lasthalf = 0;
+       if (dp->lasthalf) {
+               r = dp->lasthalf;
+               dp->lasthalf = 0;
         } else {
                 r = LRAND();
         } else {
                 r = LRAND();
-               lasthalf = r >> 16;
+               dp->lasthalf = (short) (r >> 16);
         }
         r = r % mv;
         return r;
  }
  
  static int
         }
         r = r % mv;
         return r;
  }
  
  static int
-frandom(int n)
+frandom(driftstruct * dp, int n)
  {
  {
-       static long saved_random_bits = 0;
-       static int  nbits = 0;
         int         result;
  
         int         result;
  
-       if (3 > nbits) {
-               saved_random_bits = LRAND();
-               nbits = 31;
+       if (3 > dp->nbits) {
+               dp->saved_random_bits = LRAND();
+               dp->nbits = 31;
         }
         switch (n) {
                 case 2:
         }
         switch (n) {
                 case 2:
-                       result = saved_random_bits & 1;
-                       saved_random_bits >>= 1;
-                       nbits -= 1;
+                       result = (int) (dp->saved_random_bits & 1);
+                       dp->saved_random_bits >>= 1;
+                       dp->nbits -= 1;
                         return result;
  
                 case 3:
                         return result;
  
                 case 3:
-                       result = saved_random_bits & 3;
-                       saved_random_bits >>= 2;
-                       nbits -= 2;
+                       result = (int) (dp->saved_random_bits & 3);
+                       dp->saved_random_bits >>= 2;
+                       dp->nbits -= 2;
                         if (3 == result)
                         if (3 == result)
-                               return frandom(3);
+                               return frandom(dp, 3);
                         return result;
  
                 case 4:
                         return result;
  
                 case 4:
-                       result = saved_random_bits & 3;
-                       saved_random_bits >>= 2;
-                       nbits -= 2;
+                       result = (int) (dp->saved_random_bits & 3);
+                       dp->saved_random_bits >>= 2;
+                       dp->nbits -= 2;
                         return result;
  
                 case 5:
                         return result;
  
                 case 5:
-                       result = saved_random_bits & 7;
-                       saved_random_bits >>= 3;
-                       nbits -= 3;
+                       result = (int) (dp->saved_random_bits & 7);
+                       dp->saved_random_bits >>= 3;
+                       dp->nbits -= 3;
                         if (4 < result)
                         if (4 < result)
-                               return frandom(5);
+                               return frandom(dp, 5);
                         return result;
                 default:
                         (void) fprintf(stderr, "bad arg to frandom\n");
                         return result;
                 default:
                         (void) fprintf(stderr, "bad arg to frandom\n");
-                       exit(1);
         }
         return 0;
  }
  
         }
         return 0;
  }
  
-#define DISTRIB_A (halfrandom(7000) + 9000)
-#define DISTRIB_B ((frandom(3) + 1) * (frandom(3) + 1) * 120000)
+#define DISTRIB_A (halfrandom(dp, 7000) + 9000)
+#define DISTRIB_B ((frandom(dp, 3) + 1) * (frandom(dp, 3) + 1) * 120000)
  #define LEN(x) (sizeof(x)/sizeof((x)[0]))
  
  static void
  #define LEN(x) (sizeof(x)/sizeof((x)[0]))
  
  static void
@@ -195,7 +210,7 @@ initmode(ModeInfo * mi, int mode)
  
         dp->mode = mode;
  
  
         dp->mode = mode;
  
-       dp->major_variation = halfrandom(VARIATION_LEN);
+       dp->major_variation = halfrandom(dp, VARIATION_LEN);
         /*  0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 5, 6, 6, 6 */
         dp->major_variation = ((dp->major_variation >= VARIATION_LEN >> 1) &&
                                (dp->major_variation < VARIATION_LEN - 1)) ?
         /*  0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 5, 6, 6, 6 */
         dp->major_variation = ((dp->major_variation >= VARIATION_LEN >> 1) &&
                                (dp->major_variation < VARIATION_LEN - 1)) ?
@@ -204,11 +219,11 @@ initmode(ModeInfo * mi, int mode)
         if (dp->grow) {
                 dp->rainbow = 0;
                 if (mode) {
         if (dp->grow) {
                 dp->rainbow = 0;
                 if (mode) {
-                       if (!dp->color || halfrandom(8)) {
-                               dp->nfractals = halfrandom(30) + 5;
+                       if (!dp->color || halfrandom(dp, 8)) {
+                               dp->nfractals = halfrandom(dp, 30) + 5;
                                 dp->fractal_len = DISTRIB_A;
                         } else {
                                 dp->fractal_len = DISTRIB_A;
                         } else {
-                               dp->nfractals = halfrandom(5) + 5;
+                               dp->nfractals = halfrandom(dp, 5) + 5;
                                 dp->fractal_len = DISTRIB_B;
                         }
                 } else {
                                 dp->fractal_len = DISTRIB_B;
                         }
                 } else {
@@ -221,8 +236,9 @@ initmode(ModeInfo * mi, int mode)
                 dp->rainbow = dp->color;
                 dp->fractal_len = 2000000;
         }
                 dp->rainbow = dp->color;
                 dp->fractal_len = 2000000;
         }
-       dp->fractal_len = (dp->fractal_len * MI_BATCHCOUNT(mi)) / 20;
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       dp->fractal_len = (dp->fractal_len * MI_COUNT(mi)) / 20;
+
+       MI_CLEARWINDOW(mi);
  }
  
  static void
  }
  
  static void
@@ -237,16 +253,29 @@ pick_df_coefs(ModeInfo * mi)
                 r = 1e-6;
                 for (j = 0; j < 2; j++)
                         for (k = 0; k < 3; k++) {
                 r = 1e-6;
                 for (j = 0; j < 2; j++)
                         for (k = 0; k < 3; k++) {
-                               dp->df[j][k][i] = ((double) halfrandom(1000) / 500.0 - 1.0);
+                               dp->df[j][k][i] = ((double) halfrandom(dp, 1000) / 500.0 - 1.0);
                                 r += dp->df[j][k][i] * dp->df[j][k][i];
                         }
                                 r += dp->df[j][k][i] * dp->df[j][k][i];
                         }
-               r = (3 + halfrandom(5)) * 0.01 / sqrt(r);
+               r = (3 + halfrandom(dp, 5)) * 0.01 / sqrt(r);
                 for (j = 0; j < 2; j++)
                         for (k = 0; k < 3; k++)
                                 dp->df[j][k][i] *= r;
         }
  }
  
                 for (j = 0; j < 2; j++)
                         for (k = 0; k < 3; k++)
                                 dp->df[j][k][i] *= r;
         }
  }
  
+static void
+free_drift(driftstruct *dp)
+{
+       if (dp->ncpoints != NULL) {
+               (void) free((void *) dp->ncpoints);
+               dp->ncpoints = (int *) NULL;
+       }
+       if (dp->cpts != NULL) {
+               (void) free((void *) dp->cpts);
+               dp->cpts = (XPoint *) NULL;
+       }
+}
+
  static void
  initfractal(ModeInfo * mi)
  {
  static void
  initfractal(ModeInfo * mi)
  {
@@ -257,24 +286,40 @@ initfractal(ModeInfo * mi)
  
         dp->fuse = FUSE;
         dp->total_points = 0;
  
         dp->fuse = FUSE;
         dp->total_points = 0;
+
+       if (!dp->ncpoints) {
+               if ((dp->ncpoints = (int *) malloc(sizeof (int) * MI_NCOLORS(mi))) ==
+                       NULL) {
+                       free_drift(dp);
+                       return;
+               }
+       }
+       if (!dp->cpts) {
+               if ((dp->cpts = (XPoint *) malloc(MAXBATCH2 * sizeof (XPoint) *
+                        MI_NCOLORS(mi))) == NULL) {
+                       free_drift(dp);
+                       return;
+               }
+       }
+
         if (dp->rainbow)
                 for (i = 0; i < MI_NPIXELS(mi); i++)
                         dp->ncpoints[i] = 0;
         else
                 dp->npoints = 0;
         if (dp->rainbow)
                 for (i = 0; i < MI_NPIXELS(mi); i++)
                         dp->ncpoints[i] = 0;
         else
                 dp->npoints = 0;
-       dp->nxforms = halfrandom(XFORM_LEN);
+       dp->nxforms = halfrandom(dp, XFORM_LEN);
         /* 2, 2, 2, 3, 3, 3, 4, 4, 5 */
         dp->nxforms = (dp->nxforms >= XFORM_LEN - 1) + dp->nxforms / 3 + 2;
  
         dp->c = dp->x = dp->y = 0.0;
         /* 2, 2, 2, 3, 3, 3, 4, 4, 5 */
         dp->nxforms = (dp->nxforms >= XFORM_LEN - 1) + dp->nxforms / 3 + 2;
  
         dp->c = dp->x = dp->y = 0.0;
-       if (dp->liss && !halfrandom(10)) {
+       if (dp->liss && !halfrandom(dp, 10)) {
                 dp->liss_time = 0;
         }
         if (!dp->grow)
                 pick_df_coefs(mi);
         for (i = 0; i < dp->nxforms; i++) {
                 if (NMAJORVARS == dp->major_variation)
                 dp->liss_time = 0;
         }
         if (!dp->grow)
                 pick_df_coefs(mi);
         for (i = 0; i < dp->nxforms; i++) {
                 if (NMAJORVARS == dp->major_variation)
-                       dp->variation[i] = halfrandom(NMAJORVARS);
+                       dp->variation[i] = halfrandom(dp, NMAJORVARS);
                 else
                         dp->variation[i] = dp->major_variation;
                 for (j = 0; j < 2; j++)
                 else
                         dp->variation[i] = dp->major_variation;
                 for (j = 0; j < 2; j++)
@@ -282,13 +327,13 @@ initfractal(ModeInfo * mi)
                                 if (dp->liss)
                                         dp->f[j][k][i] = sin(dp->liss_time * dp->df[j][k][i]);
                                 else
                                 if (dp->liss)
                                         dp->f[j][k][i] = sin(dp->liss_time * dp->df[j][k][i]);
                                 else
-                                       dp->f[j][k][i] = ((double) halfrandom(1000) / 500.0 - 1.0);
+                                       dp->f[j][k][i] = ((double) halfrandom(dp, 1000) / 500.0 - 1.0);
                         }
         }
         if (dp->color)
                         }
         }
         if (dp->color)
-               dp->pixcol = MI_PIXEL(mi, halfrandom(MI_NPIXELS(mi)));
+               dp->pixcol = MI_PIXEL(mi, halfrandom(dp, MI_NPIXELS(mi)));
         else
         else
-               dp->pixcol = MI_WIN_WHITE_PIXEL(mi);
+               dp->pixcol = MI_WHITE_PIXEL(mi);
  
  }
  
  
  }
  
@@ -305,26 +350,17 @@ init_drift(ModeInfo * mi)
         }
         dp = &drifts[MI_SCREEN(mi)];
  
         }
         dp = &drifts[MI_SCREEN(mi)];
  
-       dp->width = MI_WIN_WIDTH(mi);
-       dp->height = MI_WIN_HEIGHT(mi);
+       dp->width = MI_WIDTH(mi);
+       dp->height = MI_HEIGHT(mi);
         dp->color = MI_NPIXELS(mi) > 2;
  
         dp->color = MI_NPIXELS(mi) > 2;
  
-       if (MI_WIN_IS_FULLRANDOM(mi)) {
-#if 1 /* jwz: even up the odds */
-         switch ((int) (LRAND() % 3)) {
-         case 0:   dp->grow = True;  dp->liss = False; break;
-         case 1:   dp->grow = False; dp->liss = True;  break;
-         default:  dp->grow = False; dp->liss = False; break;
-               /* liss and grow don't work together. */
-         }
-#else /* 0 */
-               if (LRAND() & 1)
+       if (MI_IS_FULLRANDOM(mi)) {
+               if (NRAND(3) == 0)
                         dp->grow = True;
                 else {
                         dp->grow = False;
                         dp->liss = (Bool) (LRAND() & 1);
                 }
                         dp->grow = True;
                 else {
                         dp->grow = False;
                         dp->liss = (Bool) (LRAND() & 1);
                 }
-#endif
         } else {
                 dp->grow = grow;
                 if (dp->grow)
         } else {
                 dp->grow = grow;
                 if (dp->grow)
@@ -339,7 +375,7 @@ init_drift(ModeInfo * mi)
  static void
  iter(driftstruct * dp)
  {
  static void
  iter(driftstruct * dp)
  {
-       int         i = frandom(dp->nxforms);
+       int         i = frandom(dp, dp->nxforms);
         double      nx, ny, nc;
  
  
         double      nx, ny, nc;
  
  
@@ -480,8 +516,8 @@ iter(driftstruct * dp)
         /* how to check nan too?  some machines don't have finite().
            don't need to check ny, it'll propogate */
         if (nx > 1e4 || nx < -1e4) {
         /* how to check nan too?  some machines don't have finite().
            don't need to check ny, it'll propogate */
         if (nx > 1e4 || nx < -1e4) {
-               nx = halfrandom(1000) / 500.0 - 1.0;
-               ny = halfrandom(1000) / 500.0 - 1.0;
+               nx = halfrandom(dp, 1000) / 500.0 - 1.0;
+               ny = halfrandom(dp, 1000) / 500.0 - 1.0;
                 dp->fuse = FUSE;
         }
         dp->x = nx;
                 dp->fuse = FUSE;
         }
         dp->x = nx;
@@ -529,11 +565,11 @@ draw(ModeInfo * mi, driftstruct * dp, Drawable d)
                 if (c >= npix)
                         c = npix - 1;
                 n = dp->ncpoints[c];
                 if (c >= npix)
                         c = npix - 1;
                 n = dp->ncpoints[c];
-               dp->cpts[c][n].x = fixed_x;
-               dp->cpts[c][n].y = fixed_y;
+               dp->cpts[c * MAXBATCH2 + n].x = fixed_x;
+               dp->cpts[c * MAXBATCH2 + n].y = fixed_y;
                 if (++dp->ncpoints[c] == MAXBATCH2) {
                         XSetForeground(display, gc, MI_PIXEL(mi, c));
                 if (++dp->ncpoints[c] == MAXBATCH2) {
                         XSetForeground(display, gc, MI_PIXEL(mi, c));
-                       XDrawPoints(display, d, gc, dp->cpts[c],
+                       XDrawPoints(display, d, gc, &(dp->cpts[c * MAXBATCH2]),
                                     dp->ncpoints[c], CoordModeOrigin);
                         dp->ncpoints[c] = 0;
                 }
                                     dp->ncpoints[c], CoordModeOrigin);
                         dp->ncpoints[c] = 0;
                 }
@@ -553,7 +589,7 @@ draw_flush(ModeInfo * mi, driftstruct * dp, Drawable d)
                 for (i = 0; i < npix; i++) {
                         if (dp->ncpoints[i]) {
                                 XSetForeground(display, gc, MI_PIXEL(mi, i));
                 for (i = 0; i < npix; i++) {
                         if (dp->ncpoints[i]) {
                                 XSetForeground(display, gc, MI_PIXEL(mi, i));
-                               XDrawPoints(display, d, gc, dp->cpts[i],
+                               XDrawPoints(display, d, gc, &(dp->cpts[i * MAXBATCH2]),
                                             dp->ncpoints[i], CoordModeOrigin);
                                 dp->ncpoints[i] = 0;
                         }
                                             dp->ncpoints[i], CoordModeOrigin);
                                 dp->ncpoints[i] = 0;
                         }
@@ -572,10 +608,16 @@ void
  draw_drift(ModeInfo * mi)
  {
         Window      window = MI_WINDOW(mi);
  draw_drift(ModeInfo * mi)
  {
         Window      window = MI_WINDOW(mi);
-       driftstruct *dp = &drifts[MI_SCREEN(mi)];
+       driftstruct *dp;
  
  
-       dp->timer = 3000;
+       if (drifts == NULL)
+               return;
+       dp = &drifts[MI_SCREEN(mi)];
+       if (dp->ncpoints == NULL)
+               return;
  
  
+       MI_IS_DRAWN(mi) = True;
+       dp->timer = 3000;
         while (dp->timer) {
                 iter(dp);
                 draw(mi, dp, window);
         while (dp->timer) {
                 iter(dp);
                 draw(mi, dp, window);
@@ -587,7 +629,7 @@ draw_drift(ModeInfo * mi)
                           sleep(4); /* #### make settable */
                           erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
  #endif /* STANDALONE */
                           sleep(4); /* #### make settable */
                           erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
  #endif /* STANDALONE */
-                         initmode(mi, frandom(2));
+                               initmode(mi, frandom(dp, 2));
                         }
                         initfractal(mi);
                 }
                         }
                         initfractal(mi);
                 }
@@ -618,13 +660,19 @@ void
  release_drift(ModeInfo * mi)
  {
         if (drifts != NULL) {
  release_drift(ModeInfo * mi)
  {
         if (drifts != NULL) {
+               int         screen;
+
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_drift(&drifts[screen]);
                 (void) free((void *) drifts);
                 (void) free((void *) drifts);
-               drifts = NULL;
+               drifts = (driftstruct *) NULL;
         }
  }
  
  void
  refresh_drift(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_drift(ModeInfo * mi)
  {
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       MI_CLEARWINDOW(mi);
  }
  }
+
+#endif /* MODE_drift */
diff --git a/hacks/euler2d.c b/hacks/euler2d.c

new file mode 100644 (file)

index 0000000..c73b64a
--- /dev/null
+++ b/hacks/euler2d.c
@@ -0,0 +1,878 @@
+/* -*- Mode: C; tab-width: 4 -*- */
+/* euler2d --- 2 Dimensional Incompressible Inviscid Fluid Flow */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)euler2d.c    5.00 2000/11/01 xlockmore";
+
+#endif
+
+/*
+ * Copyright (c) 2000 by Stephen Montgomery-Smith <stephen@math.missouri.edu>
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * Revision History:
+ * 04-Nov-2000: Added an option eulerpower.  This allows for example the
+ *              quasi-geostrophic equation by setting eulerpower to 2.
+ * 01-Nov-2000: Allocation checks.
+ * 10-Sep-2000: Added optimizations, and removed subtle_perturb, by stephen.
+ * 03-Sep-2000: Changed method of solving ode to Adams-Bashforth of order 2.
+ *              Previously used a rather compilcated method of order 4.
+ *              This doubles the speed of the program.  Also it seems
+ *              to have improved numerical stability.  Done by stephen.
+ * 27-Aug-2000: Added rotation of region to maximize screen fill by stephen.
+ * 05-Jun-2000: Adapted from flow.c Copyright (c) 1996 by Tim Auckland
+ * 18-Jul-1996: Adapted from swarm.c Copyright (c) 1991 by Patrick J. Naughton.
+ * 31-Aug-1990: Adapted from xswarm by Jeff Butterworth. (butterwo@ncsc.org)
+ */
+
+/*
+ * The mathematical aspects of this program are discussed in the file
+ * euler2d.tex.
+ */
+
+#ifdef STANDALONE
+#define MODE_euler2d
+#define PROGCLASS "Euler2d"
+#define HACK_INIT init_euler2d
+#define HACK_DRAW draw_euler2d
+#define euler2d_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+"*count: 1024 \n" \
+"*cycles: 3000 \n" \
+"*ncolors: 64 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_euler2d
+
+#define DEF_EULERTAIL "10"
+
+#define DEBUG_POINTED_REGION    0
+
+static int tail_len;
+static int variable_boundary = 1;
+static float power = 1;
+
+static XrmOptionDescRec opts[] =
+{
+  {(char* ) "-eulertail", (char *) ".euler2d.eulertail",
+   XrmoptionSepArg, (caddr_t) NULL},
+  {(char* ) "-eulerpower", (char *) ".euler2d.eulerpower",
+   XrmoptionSepArg, (caddr_t) NULL},
+};
+static argtype vars[] =
+{
+  {(caddr_t *) &tail_len, (char *) "eulertail",
+   (char *) "EulerTail", (char *) DEF_EULERTAIL, t_Int},
+  {(caddr_t *) &power, (char *) "eulerpower",
+   (char *) "EulerPower", (char *) "1", t_Float},
+};
+static OptionStruct desc[] =
+{
+  {(char *) "-eulertail len", (char *) "Length of Euler2d tails"},
+  {(char *) "-eulerpower power", (char *) "power of interaction law for points for Euler2d"},
+};
+
+ModeSpecOpt euler2d_opts =
+{sizeof opts / sizeof opts[0], opts,
+ sizeof vars / sizeof vars[0], vars, desc};
+
+#ifdef USE_MODULES
+ModStruct   euler2d_description = {
+       "euler2d", "init_euler2d", "draw_euler2d", "release_euler2d",
+       "refresh_euler2d", "init_euler2d", (char *) NULL, &euler2d_opts,
+       1000, 1024, 3000, 1, 64, 1.0, "",
+       "Simulates 2D incompressible invisid fluid.", 0, NULL
+};
+
+#endif
+
+#define balance_rand(v)        ((LRAND()/MAXRAND*(v))-((v)/2)) /* random around 0 */
+#define positive_rand(v)       (LRAND()/MAXRAND*(v))   /* positive random */
+
+#define number_of_vortex_points 20
+
+#define n_bound_p 500
+#define deg_p 6
+
+static double delta_t;
+
+typedef struct {
+       int        width;
+       int        height;
+       int        count;
+       double     xshift,yshift,scale;
+       double     radius;
+
+        int        N;
+        int        Nvortex;
+
+/*  x[2i+0] = x coord for nth point
+    x[2i+1] = y coord for nth point
+    w[i] = vorticity at nth point
+*/
+       double     *x;
+       double     *w;
+
+       double     *diffx;
+       double     *olddiffx;
+       double     *tempx;
+       double     *tempdiffx;
+/*  (xs[2i+0],xs[2i+1]) is reflection of (x[2i+0],x[2i+1]) about unit circle
+    xs[2i+0] = x[2i+0]/nx
+    xs[2i+1] = x[2i+1]/nx
+    where
+    nx = x[2i+0]*x[2i+0] + x[2i+1]*x[2i+1]
+
+    x_is_zero[i] = (nx < 1e-10)
+*/
+       double     *xs;
+       short      *x_is_zero;
+
+/*  (p[2i+0],p[2i+1]) is image of (x[2i+0],x[2i+1]) under polynomial p.
+    mod_dp2 is |p'(z)|^2 when z = (x[2i+0],x[2i+1]).
+*/
+       double     *p;
+       double     *mod_dp2;
+
+/* Sometimes in our calculations we get overflow or numbers that are too big.  
+   If that happens with the point x[2*i+0], x[2*i+1], we set dead[i].
+*/
+       short      *dead;
+
+       XSegment   *csegs;
+       int         cnsegs;
+       XSegment   *old_segs;
+       int        *nold_segs;
+       int         c_old_seg;
+       int         boundary_color;
+       int         hide_vortex;
+       short      *lastx;
+
+       double      p_coef[2*(deg_p-1)];
+       XSegment   *boundary;
+
+} euler2dstruct;
+
+static euler2dstruct *euler2ds = (euler2dstruct *) NULL;
+
+/*
+  If variable_boundary == 1, then we make a variable boundary.
+  The way this is done is to map the unit disk under a 
+  polynomial p, where 
+  p(z) = z + c_2 z^2 + ... + c_n z^n
+  where n = deg_p.  sp->p_coef contains the complex numbers
+  c_2, c_3, ... c_n.
+*/
+
+#define add(a1,a2,b1,b2) (a1)+=(b1);(a2)+=(b2)
+#define mult(a1,a2,b1,b2) temp=(a1)*(b1)-(a2)*(b2); \
+                          (a2)=(a1)*(b2)+(a2)*(b1);(a1)=temp
+
+static void
+calc_p(double *p1, double *p2, double z1, double z2, double p_coef[])
+{
+  int i;
+  double temp;
+
+  *p1=0;
+  *p2=0;
+  for(i=deg_p;i>=2;i--)
+  {
+    add(*p1,*p2,p_coef[(i-2)*2],p_coef[(i-2)*2+1]);
+    mult(*p1,*p2,z1,z2);
+  }
+  add(*p1,*p2,1,0);
+  mult(*p1,*p2,z1,z2);
+}
+
+/* Calculate |p'(z)|^2 */
+static double
+calc_mod_dp2(double z1, double z2, double p_coef[])
+{
+  int i;
+  double temp,mp1,mp2;
+
+  mp1=0;
+  mp2=0;
+  for(i=deg_p;i>=2;i--)
+  {
+    add(mp1,mp2,i*p_coef[(i-2)*2],i*p_coef[(i-2)*2+1]);
+    mult(mp1,mp2,z1,z2);
+  }
+  add(mp1,mp2,1,0);
+  return mp1*mp1+mp2*mp2;
+}
+
+static void
+calc_all_p(euler2dstruct *sp)
+{
+  int i,j;
+  double temp,p1,p2,z1,z2;
+  for(j=(sp->hide_vortex?sp->Nvortex:0);j<sp->N;j++) if(!sp->dead[j])
+  {
+    p1=0;
+    p2=0;
+    z1=sp->x[2*j+0];
+    z2=sp->x[2*j+1];
+    for(i=deg_p;i>=2;i--)
+    {
+      add(p1,p2,sp->p_coef[(i-2)*2],sp->p_coef[(i-2)*2+1]);
+      mult(p1,p2,z1,z2);
+    }
+    add(p1,p2,1,0);
+    mult(p1,p2,z1,z2);
+    sp->p[2*j+0] = p1;
+    sp->p[2*j+1] = p2;
+  }
+}
+
+static void
+calc_all_mod_dp2(double *x, euler2dstruct *sp)
+{
+  int i,j;
+  double temp,mp1,mp2,z1,z2;
+  for(j=0;j<sp->N;j++) if(!sp->dead[j])
+  {
+    mp1=0;
+    mp2=0;
+    z1=x[2*j+0];
+    z2=x[2*j+1];
+    for(i=deg_p;i>=2;i--)
+    {
+      add(mp1,mp2,i*sp->p_coef[(i-2)*2],i*sp->p_coef[(i-2)*2+1]);
+      mult(mp1,mp2,z1,z2);
+    }
+    add(mp1,mp2,1,0);
+    sp->mod_dp2[j] = mp1*mp1+mp2*mp2;
+  }
+}
+
+static void
+derivs(double *x, euler2dstruct *sp)
+{
+  int i,j;
+  double u1,u2,x1,x2,xij1,xij2,nxij;
+  double nx;
+
+  if (variable_boundary)
+    calc_all_mod_dp2(sp->x,sp);
+
+  for (j=0;j<sp->Nvortex;j++) if (!sp->dead[j])
+  {
+    nx = x[2*j+0]*x[2*j+0] + x[2*j+1]*x[2*j+1];
+    if (nx < 1e-10)
+      sp->x_is_zero[j] = 1;
+    else {
+      sp->x_is_zero[j] = 0;
+      sp->xs[2*j+0] = x[2*j+0]/nx;
+      sp->xs[2*j+1] = x[2*j+1]/nx;
+    }
+  }
+
+  (void) memset(sp->diffx,0,sizeof(double)*2*sp->N);
+
+  for (i=0;i<sp->N;i++) if (!sp->dead[i])
+  {
+    x1 = x[2*i+0];
+    x2 = x[2*i+1];
+    for (j=0;j<sp->Nvortex;j++) if (!sp->dead[j])
+    {
+/*
+  Calculate the Biot-Savart kernel, that is, effect of a 
+  vortex point at a = (x[2*j+0],x[2*j+1]) at the point 
+  x = (x1,x2), returning the vector field in (u1,u2).
+
+  In the plane, this is given by the formula
+
+  u = (x-a)/|x-a|^2  or zero if x=a.
+
+  However, in the unit disk we have to subtract from the
+  above:
+
+  (x-as)/|x-as|^2
+
+  where as = a/|a|^2 is the reflection of a about the unit circle.
+
+  If however power != 1, then
+
+  u = (x-a)/|x-a|^(power+1)  -  |a|^(1-power) (x-as)/|x-as|^(power+1)
+
+*/
+
+      xij1 = x1 - x[2*j+0];
+      xij2 = x2 - x[2*j+1];
+      nxij = (power==1.0) ? xij1*xij1+xij2*xij2 : pow(xij1*xij1+xij2*xij2,(power+1)/2.0);
+
+      if(nxij >= 1e-4)  {
+        u1 =  xij2/nxij;
+        u2 = -xij1/nxij;
+      }
+      else
+        u1 = u2 = 0.0;
+
+      if (!sp->x_is_zero[j])
+      {
+        xij1 = x1 - sp->xs[2*j+0];
+        xij2 = x2 - sp->xs[2*j+1];
+        nxij = (power==1.0) ? xij1*xij1+xij2*xij2 : pow(xij1*xij1+xij2*xij2,(power+1)/2.0);
+
+        if (nxij < 1e-5)
+        {
+          sp->dead[i] = 1;
+          u1 = u2 = 0.0;
+        }
+        else
+        {
+          u1 -= xij2/nxij;
+          u2 += xij1/nxij;
+        }
+      }
+
+      if (!sp->dead[i])
+      {
+        sp->diffx[2*i+0] += u1*sp->w[j];
+        sp->diffx[2*i+1] += u2*sp->w[j];
+      }
+    }
+
+    if (!sp->dead[i] && variable_boundary)
+    {
+      if (sp->mod_dp2[i] < 1e-5)
+        sp->dead[i] = 1;
+      else
+      {
+        sp->diffx[2*i+0] /= sp->mod_dp2[i];
+        sp->diffx[2*i+1] /= sp->mod_dp2[i];
+      }
+    }
+  }
+}
+
+/*
+  What perturb does is effectively
+    ret = x + k,
+  where k should be of order delta_t.  
+
+  We have the option to do this more subtly by mapping points x 
+  in the unit disk to points y in the plane, where y = f(|x|) x, 
+  with f(t) = -log(1-t)/t.
+
+  This might reduce (but does not remove) problems where particles near 
+  the edge of the boundary bounce around.
+
+  But it seems to be not that effective, so for now switch it off.
+*/
+
+#define SUBTLE_PERTURB 0
+
+static void
+perturb(double ret[], double x[], double k[], euler2dstruct *sp)
+{
+  int i;
+  double x1,x2,k1,k2;
+
+#if SUBTLE_PERTURB
+  double d1,d2,t1,t2,mag,mag2,mlog1mmag,memmagdmag,xdotk;
+  for (i=0;i<sp->N;i++) if (!sp->dead[i])
+  {
+    x1 = x[2*i+0];
+    x2 = x[2*i+1];
+    k1 = k[2*i+0];
+    k2 = k[2*i+1];
+    mag2 = x1*x1 + x2*x2;
+    if (mag2 < 1e-10)
+    {
+      ret[2*i+0] = x1+k1;
+      ret[2*i+1] = x2+k2;
+    }
+    else if (mag2 > 1-1e-5)
+      sp->dead[i] = 1;
+    else
+    {
+      mag = sqrt(mag2);
+      mlog1mmag = -log(1-mag);
+      xdotk = x1*k1 + x2*k2;
+      t1 = (x1 + k1)*mlog1mmag/mag + x1*xdotk*(1.0/(1-mag)-mlog1mmag/mag)/mag/mag;
+      t2 = (x2 + k2)*mlog1mmag/mag + x2*xdotk*(1.0/(1-mag)-mlog1mmag/mag)/mag/mag;
+      mag = sqrt(t1*t1+t2*t2);
+      if (mag > 11.5 /* log(1e5) */)
+        sp->dead[i] = 1;
+      else
+      {
+        memmagdmag = (mag>1e-5) ? ((1.0-exp(-mag))/mag) : (1-mag/2.0);
+        ret[2*i+0] = t1*memmagdmag;
+        ret[2*i+1] = t2*memmagdmag;
+      }
+    }
+    if (!sp->dead[i])
+    {
+      d1 = ret[2*i+0]-x1;
+      d2 = ret[2*i+1]-x2;
+      if (d1*d1+d2*d2 > 0.1)
+        sp->dead[i] = 1;
+    }
+  }
+
+#else
+
+  for (i=0;i<sp->N;i++) if (!sp->dead[i])
+  {
+    x1 = x[2*i+0];
+    x2 = x[2*i+1];
+    k1 = k[2*i+0];
+    k2 = k[2*i+1];
+    if (k1*k1+k2*k2 > 0.1 || x1*x1+x2*x2 > 1-1e-5)
+      sp->dead[i] = 1;
+    else
+    {
+      ret[2*i+0] = x1+k1;
+      ret[2*i+1] = x2+k2;
+    }
+  }
+#endif
+}
+
+static void
+ode_solve(euler2dstruct *sp)
+{
+  int i;
+  double *temp;
+
+  if (sp->count < 1) {
+    /* midpoint method */
+    derivs(sp->x,sp);
+    (void) memcpy(sp->olddiffx,sp->diffx,sizeof(double)*2*sp->N);
+    for (i=0;i<sp->N;i++) if (!sp->dead[i]) {
+      sp->tempdiffx[2*i+0] = 0.5*delta_t*sp->diffx[2*i+0];
+      sp->tempdiffx[2*i+1] = 0.5*delta_t*sp->diffx[2*i+1];
+    }
+    perturb(sp->tempx,sp->x,sp->tempdiffx,sp);
+    derivs(sp->tempx,sp);
+    for (i=0;i<sp->N;i++) if (!sp->dead[i]) {
+      sp->tempdiffx[2*i+0] = delta_t*sp->diffx[2*i+0];
+      sp->tempdiffx[2*i+1] = delta_t*sp->diffx[2*i+1];
+    }
+    perturb(sp->x,sp->x,sp->tempdiffx,sp);
+  } else {
+    /* Adams Basforth */
+    derivs(sp->x,sp);
+    for (i=0;i<sp->N;i++) if (!sp->dead[i]) {
+      sp->tempdiffx[2*i+0] = delta_t*(1.5*sp->diffx[2*i+0] - 0.5*sp->olddiffx[2*i+0]);
+      sp->tempdiffx[2*i+1] = delta_t*(1.5*sp->diffx[2*i+1] - 0.5*sp->olddiffx[2*i+1]);
+    }
+    perturb(sp->x,sp->x,sp->tempdiffx,sp);
+    temp = sp->olddiffx;
+    sp->olddiffx = sp->diffx;
+    sp->diffx = temp;
+  }
+}
+
+#define deallocate(p,t) if (p!=NULL) {(void) free((void *) p); p=(t*)NULL; }
+#define allocate(p,t,s) if ((p=(t*)malloc(sizeof(t)*s))==NULL)\
+{free_euler2d(sp);return;}
+
+static void
+free_euler2d(euler2dstruct *sp)
+{
+       deallocate(sp->csegs, XSegment);
+       deallocate(sp->old_segs, XSegment);
+       deallocate(sp->nold_segs, int);
+       deallocate(sp->lastx, short);
+       deallocate(sp->x, double);
+       deallocate(sp->diffx, double);
+       deallocate(sp->w, double);
+       deallocate(sp->olddiffx, double);
+       deallocate(sp->tempdiffx, double);
+       deallocate(sp->tempx, double);
+       deallocate(sp->dead, short);
+       deallocate(sp->boundary, XSegment);
+       deallocate(sp->xs, double);
+       deallocate(sp->x_is_zero, short);
+       deallocate(sp->p, double);
+       deallocate(sp->mod_dp2, double);
+}
+
+void
+init_euler2d(ModeInfo * mi)
+{
+#define nr_rotates 18 /* how many rotations to try to fill as much of screen as possible - must be even number */
+       euler2dstruct *sp;
+       int         i,k,n,np;
+       double      r,theta,x,y,w;
+       double      mag,xscale,yscale,p1,p2;
+       double      low[nr_rotates],high[nr_rotates],pp1,pp2,pn1,pn2,angle1,angle2,tempangle,dist,scale,bestscale,temp;
+       int         besti = 0;
+
+        if (power<0.5) power = 0.5;
+        if (power>3.0) power = 3.0;
+       variable_boundary &= power == 1.0;
+       delta_t = 0.001;
+        if (power>1.0) delta_t *= pow(0.1,power-1);
+
+       if (euler2ds == NULL) {
+               if ((euler2ds = (euler2dstruct *) calloc(MI_NUM_SCREENS(mi),
+                                              sizeof (euler2dstruct))) == NULL)
+                       return;
+       }
+       sp = &euler2ds[MI_SCREEN(mi)];
+
+       sp->boundary_color = NRAND(MI_NPIXELS(mi));
+       sp->hide_vortex = NRAND(4) != 0;
+
+       sp->count = 0;
+
+       sp->width = MI_WIDTH(mi);
+       sp->height = MI_HEIGHT(mi);
+
+       sp->N = MI_COUNT(mi)+number_of_vortex_points;
+       sp->Nvortex = number_of_vortex_points;
+
+       if (tail_len < 1) { /* minimum tail */
+         tail_len = 1;
+       }
+       if (tail_len > MI_CYCLES(mi)) { /* maximum tail */
+         tail_len = MI_CYCLES(mi);
+       }
+
+       /* Clear the background. */
+       MI_CLEARWINDOW(mi);
+        
+       free_euler2d(sp);
+
+       /* Allocate memory. */
+
+       if (sp->csegs == NULL) {
+               allocate(sp->csegs, XSegment, sp->N);
+               allocate(sp->old_segs, XSegment, sp->N * tail_len);
+               allocate(sp->nold_segs, int, tail_len);
+               allocate(sp->lastx, short, sp->N * 2);
+               allocate(sp->x, double, sp->N * 2);
+               allocate(sp->diffx, double, sp->N * 2);
+               allocate(sp->w, double, sp->Nvortex);
+               allocate(sp->olddiffx, double, sp->N * 2);
+               allocate(sp->tempdiffx, double, sp->N * 2);
+               allocate(sp->tempx, double, sp->N * 2);
+               allocate(sp->dead, short, sp->N);
+               allocate(sp->boundary, XSegment, n_bound_p);
+               allocate(sp->xs, double, sp->Nvortex * 2);
+               allocate(sp->x_is_zero, short, sp->Nvortex);
+               allocate(sp->p, double, sp->N * 2);
+               allocate(sp->mod_dp2, double, sp->N);
+       }
+       for (i=0;i<tail_len;i++) {
+               sp->nold_segs[i] = 0;
+       }
+       sp->c_old_seg = 0;
+       (void) memset(sp->dead,0,sp->N*sizeof(short));
+
+       if (variable_boundary)
+       {
+       /* Initialize polynomial p */
+/*
+  The polynomial p(z) = z + c_2 z^2 + ... c_n z^n needs to be
+  a bijection of the unit disk onto its image.  This is achieved
+  by insisting that sum_{k=2}^n k |c_k| <= 1.  Actually we set
+  the inequality to be equality (to get more interesting shapes).
+*/
+               mag = 0;
+               for(k=2;k<=deg_p;k++)
+               {
+                       r = positive_rand(1.0/k);
+                       theta = balance_rand(2*M_PI);
+                       sp->p_coef[2*(k-2)+0]=r*cos(theta);
+                       sp->p_coef[2*(k-2)+1]=r*sin(theta);
+                       mag += k*r;
+               }
+               if (mag > 0.0001) for(k=2;k<=deg_p;k++)
+               {
+                       sp->p_coef[2*(k-2)+0] /= mag;
+                       sp->p_coef[2*(k-2)+1] /= mag;
+               }
+
+#if DEBUG_POINTED_REGION
+               for(k=2;k<=deg_p;k++){
+                       sp->p_coef[2*(k-2)+0]=0;
+                       sp->p_coef[2*(k-2)+1]=0;
+               }
+               sp->p_coef[2*(6-2)+0] = 1.0/6.0;
+#endif
+
+
+/* Here we figure out the best rotation of the domain so that it fills as
+   much of the screen as possible.  The number of angles we look at is determined
+   by nr_rotates (we look every 180/nr_rotates degrees).  
+   While we figure out the best angle to rotate, we also figure out the correct scaling factors.
+*/
+
+               for(k=0;k<nr_rotates;k++) {
+                       low[k] = 1e5;
+                       high[k] = -1e5;
+               }
+
+               for(k=0;k<n_bound_p;k++) {
+                       calc_p(&p1,&p2,cos((double)k/(n_bound_p)*2*M_PI),sin((double)k/(n_bound_p)*2*M_PI),sp->p_coef);
+                       calc_p(&pp1,&pp2,cos((double)(k-1)/(n_bound_p)*2*M_PI),sin((double)(k-1)/(n_bound_p)*2*M_PI),sp->p_coef);
+                       calc_p(&pn1,&pn2,cos((double)(k+1)/(n_bound_p)*2*M_PI),sin((double)(k+1)/(n_bound_p)*2*M_PI),sp->p_coef);
+                       angle1 = nr_rotates/M_PI*atan2(p2-pp2,p1-pp1)-nr_rotates/2;
+                       angle2 = nr_rotates/M_PI*atan2(pn2-p2,pn1-p1)-nr_rotates/2;
+                       while (angle1<0) angle1+=nr_rotates*2;
+                       while (angle2<0) angle2+=nr_rotates*2;
+                       if (angle1>nr_rotates*1.75 && angle2<nr_rotates*0.25) angle2+=nr_rotates*2;
+                       if (angle1<nr_rotates*0.25 && angle2>nr_rotates*1.75) angle1+=nr_rotates*2;
+                        if (angle2<angle1) {
+                               tempangle=angle1;
+                               angle1=angle2;
+                               angle2=tempangle;
+                       }
+                       for(i=(int)floor(angle1);i<(int)ceil(angle2);i++) {
+                               dist = cos((double)i*M_PI/nr_rotates)*p1 + sin((double)i*M_PI/nr_rotates)*p2;
+                               if (i%(nr_rotates*2)<nr_rotates) {
+                                       if (dist>high[i%nr_rotates]) high[i%nr_rotates] = dist;
+                                       if (dist<low[i%nr_rotates]) low[i%nr_rotates] = dist;
+                               }
+                               else {
+                                       if (-dist>high[i%nr_rotates]) high[i%nr_rotates] = -dist;
+                                       if (-dist<low[i%nr_rotates]) low[i%nr_rotates] = -dist;
+                               }
+                       }
+               }
+               bestscale = 0;
+               for (i=0;i<nr_rotates;i++) {
+                       xscale = (sp->width-5.0)/(high[i]-low[i]);
+                       yscale = (sp->height-5.0)/(high[(i+nr_rotates/2)%nr_rotates]-low[(i+nr_rotates/2)%nr_rotates]);
+                       scale = (xscale>yscale) ? yscale : xscale;
+                       if (scale>bestscale) {
+                               bestscale = scale;
+                               besti = i;
+                       }
+               }
+/* Here we do the rotation.  The way we do this is to replace the
+   polynomial p(z) by a^{-1} p(a z) where a = exp(i best_angle).
+*/
+               p1 = 1;
+               p2 = 0;
+               for(k=2;k<=deg_p;k++)
+               {
+                       mult(p1,p2,cos((double)besti*M_PI/nr_rotates),sin((double)besti*M_PI/nr_rotates));
+                       mult(sp->p_coef[2*(k-2)+0],sp->p_coef[2*(k-2)+1],p1,p2);
+               }
+
+               sp->scale = bestscale;
+               sp->xshift = -(low[besti]+high[besti])/2.0*sp->scale+sp->width/2;
+                if (besti<nr_rotates/2)
+                       sp->yshift = -(low[besti+nr_rotates/2]+high[besti+nr_rotates/2])/2.0*sp->scale+sp->height/2;
+               else
+                       sp->yshift = (low[besti-nr_rotates/2]+high[besti-nr_rotates/2])/2.0*sp->scale+sp->height/2;
+
+
+/* Initialize boundary */
+
+               for(k=0;k<n_bound_p;k++)
+               {
+
+                       calc_p(&p1,&p2,cos((double)k/(n_bound_p)*2*M_PI),sin((double)k/(n_bound_p)*2*M_PI),sp->p_coef);
+                       sp->boundary[k].x1 = (short)(p1*sp->scale+sp->xshift);
+                       sp->boundary[k].y1 = (short)(p2*sp->scale+sp->yshift);
+               }
+               for(k=1;k<n_bound_p;k++)
+               {
+                       sp->boundary[k].x2 = sp->boundary[k-1].x1;
+                       sp->boundary[k].y2 = sp->boundary[k-1].y1;
+               }
+               sp->boundary[0].x2 = sp->boundary[n_bound_p-1].x1;
+               sp->boundary[0].y2 = sp->boundary[n_bound_p-1].y1;
+       }
+       else
+       {
+               if (sp->width>sp->height)
+                       sp->radius = sp->height/2.0-5.0;
+               else
+                       sp->radius = sp->width/2.0-5.0;
+       }
+
+       /* Initialize point positions */
+
+       for (i=sp->Nvortex;i<sp->N;i++) {
+               do {
+                       r = sqrt(positive_rand(1.0));
+                       theta = balance_rand(2*M_PI);
+                       sp->x[2*i+0]=r*cos(theta);
+                       sp->x[2*i+1]=r*sin(theta);
+               /* This is to make sure the initial distribution of points is uniform */
+               } while (variable_boundary && 
+                          calc_mod_dp2(sp->x[2*i+0],sp->x[2*i+1],sp->p_coef)
+                          < positive_rand(4));
+       }
+
+       n = NRAND(4)+2;
+       /* number of vortex points with negative vorticity */
+       if (n%2) {
+               np = NRAND(n+1); 
+       }
+       else {
+               /* if n is even make sure that np==n/2 is twice as likely
+                  as the other possibilities. */
+               np = NRAND(n+2);
+               if (np==n+1) np=n/2;
+       }
+       for(k=0;k<n;k++)
+       {
+               r = sqrt(positive_rand(0.77));
+               theta = balance_rand(2*M_PI);
+               x=r*cos(theta);
+               y=r*sin(theta);
+               r = 0.02+positive_rand(0.1);
+               w = (2*(k<np)-1)*2.0/sp->Nvortex;
+               for (i=sp->Nvortex*k/n;i<sp->Nvortex*(k+1)/n;i++) {
+                       theta = balance_rand(2*M_PI);
+                       sp->x[2*i+0]=x + r*cos(theta);
+                       sp->x[2*i+1]=y + r*sin(theta);
+                       sp->w[i]=w;
+               }
+       }
+}
+
+void
+draw_euler2d(ModeInfo * mi)
+{
+       Display    *display = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
+       GC          gc = MI_GC(mi);
+       int         b, col, n_non_vortex_segs;
+       euler2dstruct *sp;
+
+       MI_IS_DRAWN(mi) = True;
+
+       if (euler2ds == NULL)
+               return;
+       sp = &euler2ds[MI_SCREEN(mi)];
+       if (sp->csegs == NULL)
+               return;
+
+       ode_solve(sp);
+       if (variable_boundary)
+               calc_all_p(sp);
+
+       sp->cnsegs = 0;
+       for(b=sp->Nvortex;b<sp->N;b++) if(!sp->dead[b])
+       {
+               sp->csegs[sp->cnsegs].x1 = sp->lastx[2*b+0];
+               sp->csegs[sp->cnsegs].y1 = sp->lastx[2*b+1];
+               if (variable_boundary)
+               {
+                       sp->csegs[sp->cnsegs].x2 = (short)(sp->p[2*b+0]*sp->scale+sp->xshift);
+                       sp->csegs[sp->cnsegs].y2 = (short)(sp->p[2*b+1]*sp->scale+sp->yshift);
+               }
+               else
+               {
+                       sp->csegs[sp->cnsegs].x2 = (short)(sp->x[2*b+0]*sp->radius+sp->width/2);
+                       sp->csegs[sp->cnsegs].y2 = (short)(sp->x[2*b+1]*sp->radius+sp->height/2);
+               }
+               sp->lastx[2*b+0] = sp->csegs[sp->cnsegs].x2;
+               sp->lastx[2*b+1] = sp->csegs[sp->cnsegs].y2;
+               sp->cnsegs++;
+       }
+       n_non_vortex_segs = sp->cnsegs;
+
+       if (!sp->hide_vortex) for(b=0;b<sp->Nvortex;b++) if(!sp->dead[b])
+       {
+               sp->csegs[sp->cnsegs].x1 = sp->lastx[2*b+0];
+               sp->csegs[sp->cnsegs].y1 = sp->lastx[2*b+1];
+               if (variable_boundary)
+               {
+                       sp->csegs[sp->cnsegs].x2 = (short)(sp->p[2*b+0]*sp->scale+sp->xshift);
+                       sp->csegs[sp->cnsegs].y2 = (short)(sp->p[2*b+1]*sp->scale+sp->yshift);
+               }
+               else
+               {
+                       sp->csegs[sp->cnsegs].x2 = (short)(sp->x[2*b+0]*sp->radius+sp->width/2);
+                       sp->csegs[sp->cnsegs].y2 = (short)(sp->x[2*b+1]*sp->radius+sp->height/2);
+               }
+               sp->lastx[2*b+0] = sp->csegs[sp->cnsegs].x2;
+               sp->lastx[2*b+1] = sp->csegs[sp->cnsegs].y2;
+               sp->cnsegs++;
+       }
+
+       if (sp->count) {
+               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+
+               XDrawSegments(display, window, gc, sp->old_segs+sp->c_old_seg*sp->N, sp->nold_segs[sp->c_old_seg]);
+
+               if (MI_NPIXELS(mi) > 2){ /* render colour */
+                       for (col = 0; col < MI_NPIXELS(mi); col++) {
+                         int start = col*n_non_vortex_segs/MI_NPIXELS(mi);
+                         int finish = (col+1)*n_non_vortex_segs/MI_NPIXELS(mi);
+                         XSetForeground(display, gc, MI_PIXEL(mi, col));
+                         XDrawSegments(display, window, gc,sp->csegs+start, finish-start);
+                       }
+                       if (!sp->hide_vortex) {
+                         XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+                         XDrawSegments(display, window, gc,sp->csegs+n_non_vortex_segs, sp->cnsegs-n_non_vortex_segs);
+                       }
+
+               } else {                /* render mono */
+                 XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+                 XDrawSegments(display, window, gc,
+                                               sp->csegs, sp->cnsegs);
+               }
+
+               if (MI_NPIXELS(mi) > 2) /* render colour */
+                       XSetForeground(display, gc, MI_PIXEL(mi, sp->boundary_color));
+               else
+                       XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_WHITE_PIXEL(mi));
+               if (variable_boundary)
+                       XDrawSegments(display, window, gc,
+                                               sp->boundary, n_bound_p);
+               else
+                       XDrawArc(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
+                                sp->width/2 - (int) sp->radius - 1, sp->height/2 - (int) sp->radius -1,
+                                (int) (2*sp->radius) + 2, (int) (2* sp->radius) + 2, 0, 64*360);
+
+               /* Copy to erase-list */
+               (void) memcpy(sp->old_segs+sp->c_old_seg*sp->N, sp->csegs, sp->cnsegs*sizeof(XSegment));
+               sp->nold_segs[sp->c_old_seg] = sp->cnsegs;
+               sp->c_old_seg++;
+               if (sp->c_old_seg >= tail_len)
+                 sp->c_old_seg = 0;
+       }
+
+       if (++sp->count > MI_CYCLES(mi)) /* pick a new flow */
+               init_euler2d(mi);
+
+}
+
+void
+release_euler2d(ModeInfo * mi)
+{
+       if (euler2ds != NULL) {
+               int         screen;
+
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_euler2d(&euler2ds[screen]);
+               (void) free((void *) euler2ds);
+               euler2ds = (euler2dstruct *) NULL;
+       }
+}
+
+void
+refresh_euler2d(ModeInfo * mi)
+{
+       MI_CLEARWINDOW(mi);
+}
+
+#endif /* MODE_euler2d */
diff --git a/hacks/fadeplot.c b/hacks/fadeplot.c

index 5b7155223c4c5ab8da5d213402ed74ed3d9c2694..ad48b7100f2e10892aacd52b759273c6317c9191 100644 (file)
--- a/hacks/fadeplot.c
+++ b/hacks/fadeplot.c
@@ -1,12 +1,15 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * fadeplot.c --- some easy plotting stuff, by Bas van Gaalen, Holland, PD
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* fadeplot --- a fading plot of sine squared */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)fadeplot.c  4.04 97/07/26 xlockmore";
+static const char sccsid[] = "@(#)fadeplot.c   5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Converted for xlock by Charles Vidal
- * See xlock.c for copying information.
+/*-
+ * Some easy plotting stuff, by Bas van Gaalen, Holland, PD
+ *
+ * Copyright (c) 1996 by Charles Vidal
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -19,34 +22,46 @@ static const char sccsid[] = "@(#)fadeplot.c  4.04 97/07/26 xlockmore";
   * trade secrets or any patents by this file or any part thereof.  In no
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   * trade secrets or any patents by this file or any part thereof.  In no
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
- */
-
-/*-
- 1) Not random enough, i.e. always same starting position.
- 2) Needs to be less flashy
+ *
+ * Revision History:
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with screensaver
+ * 1996: Written by Charles Vidal based on work by Bas van Gaalen
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                     "Fadeplot"
-# define HACK_INIT                     init_fadeplot
-# define HACK_DRAW                     draw_fadeplot
-# define fadeplot_opts         xlockmore_opts
-# define DEFAULTS                      "*count:                10      \n"                     \
-                                                       "*delay:                30000   \n"                     \
-                                                       "*cycles:               1500    \n"                     \
-                                                       "*ncolors:              64      \n"
-# define BRIGHT_COLORS
-# define UNIFORM_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
+#define MODE_fadeplot
+#define PROGCLASS "Fadeplot"
+#define HACK_INIT init_fadeplot
+#define HACK_DRAW draw_fadeplot
+#define fadeplot_opts xlockmore_opts
+#define DEFAULTS "*delay: 30000 \n" \
+ "*count: 10 \n" \
+ "*cycles: 1500 \n" \
+ "*ncolors: 64 \n"
+#define BRIGHT_COLORS
+#define UNIFORM_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
  #else /* STANDALONE */
  #else /* STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
+#include "xlock.h"             /* in xlockmore distribution */
+
  #endif /* STANDALONE */
  
  #endif /* STANDALONE */
  
-ModeSpecOpt fadeplot_opts = {
-  0, NULL, 0, NULL, NULL };
+#ifdef MODE_fadeplot
+
+ModeSpecOpt fadeplot_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   fadeplot_description =
+{"fadeplot", "init_fadeplot", "draw_fadeplot", "release_fadeplot",
+ "refresh_fadeplot", "init_fadeplot", (char *) NULL, &fadeplot_opts,
+ 30000, 10, 1500, 1, 64, 0.6, "",
+ "Shows a fading plot of sine squared", 0, NULL};
+
+#endif
  
  #define MINSTEPS 1
  
  #define MINSTEPS 1
-#define ANGLES 1000
  
  typedef struct {
         XPoint      speed, step, factor, st;
  
  typedef struct {
         XPoint      speed, step, factor, st;
@@ -54,23 +69,43 @@ typedef struct {
         int         min;
         int         width, height;
         int         pix;
         int         min;
         int         width, height;
         int         pix;
-       int         stab[ANGLES];
+       int         angles;
+       int        *stab;
         XPoint     *pts;
  } fadeplotstruct;
  
         XPoint     *pts;
  } fadeplotstruct;
  
-static fadeplotstruct *fadeplots = NULL;
+static fadeplotstruct *fadeplots = (fadeplotstruct *) NULL;
  
  static void
  
  static void
+free_fadeplot(fadeplotstruct *fp)
+{
+       if (fp->pts != NULL) {
+               (void) free((void *) fp->pts);
+               fp->pts = (XPoint *) NULL;
+       }
+       if (fp->stab != NULL) {
+               (void) free((void *) fp->stab);
+               fp->stab = (int *) NULL;
+       }
+}
+
+static Bool
  initSintab(ModeInfo * mi)
  {
         fadeplotstruct *fp = &fadeplots[MI_SCREEN(mi)];
         int         i;
         float       x;
  
  initSintab(ModeInfo * mi)
  {
         fadeplotstruct *fp = &fadeplots[MI_SCREEN(mi)];
         int         i;
         float       x;
  
-       for (i = 0; i < ANGLES; i++) {
-               x = SINF(i * 2 * M_PI / ANGLES);
+       fp->angles = NRAND(950) + 250;
+       if ((fp->stab = (int *) malloc(fp->angles * sizeof (int))) == NULL) {
+               free_fadeplot(fp);
+               return False;
+       }
+       for (i = 0; i < fp->angles; i++) {
+               x = SINF(2.0 * M_PI * i / fp->angles);
                 fp->stab[i] = (int) (x * ABS(x) * fp->min) + fp->min;
         }
                 fp->stab[i] = (int) (x * ABS(x) * fp->min) + fp->min;
         }
+       return True;
  }
  
  void
  }
  
  void
@@ -85,9 +120,9 @@ init_fadeplot(ModeInfo * mi)
         }
         fp = &fadeplots[MI_SCREEN(mi)];
  
         }
         fp = &fadeplots[MI_SCREEN(mi)];
  
-       fp->width = MI_WIN_WIDTH(mi);
-       fp->height = MI_WIN_HEIGHT(mi);
-  fp->min = MAX(MIN(fp->width, fp->height) / 2, 1);
+       fp->width = MI_WIDTH(mi);
+       fp->height = MI_HEIGHT(mi);
+       fp->min = MAX(MIN(fp->width, fp->height) / 2, 1);
  
         fp->speed.x = 8;
         fp->speed.y = 10;
  
         fp->speed.x = 8;
         fp->speed.y = 10;
@@ -97,37 +132,50 @@ init_fadeplot(ModeInfo * mi)
         fp->factor.x = MAX(fp->width / (2 * fp->min), 1);
         fp->factor.y = MAX(fp->height / (2 * fp->min), 1);
  
         fp->factor.x = MAX(fp->width / (2 * fp->min), 1);
         fp->factor.y = MAX(fp->height / (2 * fp->min), 1);
  
-       fp->nbstep = MI_BATCHCOUNT(mi);
+       fp->nbstep = MI_COUNT(mi);
         if (fp->nbstep < -MINSTEPS) {
                 fp->nbstep = NRAND(-fp->nbstep - MINSTEPS + 1) + MINSTEPS;
         } else if (fp->nbstep < MINSTEPS)
                 fp->nbstep = MINSTEPS;
  
         if (fp->nbstep < -MINSTEPS) {
                 fp->nbstep = NRAND(-fp->nbstep - MINSTEPS + 1) + MINSTEPS;
         } else if (fp->nbstep < MINSTEPS)
                 fp->nbstep = MINSTEPS;
  
-  fp->maxpts = MI_CYCLES(mi);
-  if (fp->maxpts < 1)
-    fp->maxpts = 1;
+       fp->maxpts = MI_CYCLES(mi);
+       if (fp->maxpts < 1)
+               fp->maxpts = 1;
  
  
-       if (fp->pts == NULL)
-               fp->pts = (XPoint *) calloc(fp->maxpts, sizeof (XPoint));
+       if (fp->pts == NULL) {
+               if ((fp->pts = (XPoint *) calloc(fp->maxpts, sizeof (XPoint))) ==
+                                NULL) {
+                       free_fadeplot(fp);
+                       return;
+               }
+       }
         if (MI_NPIXELS(mi) > 2)
                 fp->pix = NRAND(MI_NPIXELS(mi));
  
         if (MI_NPIXELS(mi) > 2)
                 fp->pix = NRAND(MI_NPIXELS(mi));
  
-       initSintab(mi);
-
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       if (fp->stab != NULL)
+               (void) free((void *) fp->stab);
+       if (!initSintab(mi))
+               return;
+       MI_CLEARWINDOW(mi);
  }
  
  void
  draw_fadeplot(ModeInfo * mi)
  {
  }
  
  void
  draw_fadeplot(ModeInfo * mi)
  {
-       fadeplotstruct *fp = &fadeplots[MI_SCREEN(mi)];
         Display    *display = MI_DISPLAY(mi);
         Window      window = MI_WINDOW(mi);
         GC          gc = MI_GC(mi);
         Display    *display = MI_DISPLAY(mi);
         Window      window = MI_WINDOW(mi);
         GC          gc = MI_GC(mi);
-       int         i, j;
-       long        temp;
+       int         i, j, temp;
+       fadeplotstruct *fp;
  
  
-       XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+       if (fadeplots == NULL)
+               return;
+       fp = &fadeplots[MI_SCREEN(mi)];
+       if (fp->stab == NULL)
+               return;
+
+       MI_IS_DRAWN(mi) = True;
+       XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
         XDrawPoints(display, window, gc, fp->pts, fp->maxpts, CoordModeOrigin);
  
         if (MI_NPIXELS(mi) > 2) {
         XDrawPoints(display, window, gc, fp->pts, fp->maxpts, CoordModeOrigin);
  
         if (MI_NPIXELS(mi) > 2) {
@@ -135,43 +183,54 @@ draw_fadeplot(ModeInfo * mi)
                 if (++fp->pix >= MI_NPIXELS(mi))
                         fp->pix = 0;
         } else
                 if (++fp->pix >= MI_NPIXELS(mi))
                         fp->pix = 0;
         } else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
-
-               for (temp = fp->nbstep - 1; temp >= 0; temp--) {
-                       j = temp;
-                       for (i = 0; i < fp->maxpts / fp->nbstep; i++) {
-                               fp->pts[temp * i + i].x =
-                                       fp->stab[(fp->st.x + fp->speed.x * j + i * fp->step.x) % ANGLES] *
-                                       fp->factor.x + fp->width / 2 - fp->min;
-                               fp->pts[temp * i + i].y =
-                                       fp->stab[(fp->st.y + fp->speed.y * j + i * fp->step.y) % ANGLES] *
-                                       fp->factor.y + fp->height / 2 - fp->min;
-                       }
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+
+       temp = 0;
+       for (j = 0; j < fp->nbstep; j++) {
+               for (i = 0; i < fp->maxpts / fp->nbstep; i++) {
+                       fp->pts[temp].x =
+                               fp->stab[(fp->st.x + fp->speed.x * j + i * fp->step.x) % fp->angles] *
+                               fp->factor.x + fp->width / 2 - fp->min;
+                       fp->pts[temp].y =
+                               fp->stab[(fp->st.y + fp->speed.y * j + i * fp->step.y) % fp->angles] *
+                               fp->factor.y + fp->height / 2 - fp->min;
+                       temp++;
                 }
                 }
-       XDrawPoints(display, window, gc, fp->pts, fp->maxpts, CoordModeOrigin);
+       }
+       XDrawPoints(display, window, gc, fp->pts, temp, CoordModeOrigin);
         XFlush(display);
         XFlush(display);
-       fp->st.x = (fp->st.x + fp->speed.x) % ANGLES;
-       fp->st.y = (fp->st.y + fp->speed.y) % ANGLES;
+       fp->st.x = (fp->st.x + fp->speed.x) % fp->angles;
+       fp->st.y = (fp->st.y + fp->speed.y) % fp->angles;
         fp->temps++;
         fp->temps++;
-       if ((fp->temps % (ANGLES / 2)) == 0) {
-               fp->temps = fp->temps % ANGLES * 5;
-               if ((fp->temps % (ANGLES)) == 0)
+       if ((fp->temps % (fp->angles / 2)) == 0) {
+               fp->temps = fp->temps % fp->angles * 5;
+               if ((fp->temps % (fp->angles)) == 0)
                         fp->speed.y = (fp->speed.y++) % 30 + 1;
                         fp->speed.y = (fp->speed.y++) % 30 + 1;
-               if ((fp->temps % (ANGLES * 2)) == 0)
+               if ((fp->temps % (fp->angles * 2)) == 0)
                         fp->speed.x = (fp->speed.x) % 20;
                         fp->speed.x = (fp->speed.x) % 20;
-               if ((fp->temps % (ANGLES * 3)) == 0)
+               if ((fp->temps % (fp->angles * 3)) == 0)
                         fp->step.y = (fp->step.y++) % 2 + 1;
                         fp->step.y = (fp->step.y++) % 2 + 1;
-               XClearWindow(display, window);
+
+               MI_CLEARWINDOW(mi);
         }
  }
  void
  refresh_fadeplot(ModeInfo * mi)
  {
         }
  }
  void
  refresh_fadeplot(ModeInfo * mi)
  {
-
+       MI_CLEARWINDOW(mi);
  }
  
  void
  release_fadeplot(ModeInfo * mi)
  {
  }
  
  void
  release_fadeplot(ModeInfo * mi)
  {
-       /* Do nothing, it will refresh by itself */
+       if (fadeplots != NULL) {
+               int         screen;
+
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_fadeplot(&fadeplots[screen]);
+               (void) free((void *) fadeplots);
+               fadeplots = (fadeplotstruct *) NULL;
+       }
  }
  }
+
+#endif /* MODE_fadeplot */
diff --git a/hacks/flag.c b/hacks/flag.c

index 2ed9296e5aa50fed2872c54a5dd9b6b965b8e2c4..41311f4a92a26bb30d38167765aab2e4f6bda9c3 100644 (file)
--- a/hacks/flag.c
+++ b/hacks/flag.c
@@ -48,20 +48,7 @@ static const char sccsid[] = "@(#)flag.c     4.02 97/04/01 xlockmore";
  # define DEF_TEXT                                      ""
  # include "xlockmore.h"                                /* from the xscreensaver distribution */
  
  # define DEF_TEXT                                      ""
  # include "xlockmore.h"                                /* from the xscreensaver distribution */
  
-# ifdef HAVE_XPM
-#  include <X11/xpm.h>
-#  ifndef PIXEL_ALREADY_TYPEDEFED
-#   define PIXEL_ALREADY_TYPEDEFED /* Sigh, Xmu/Drawing.h needs this... */
-#  endif
-# endif
-
-#ifdef HAVE_XMU
-# ifndef VMS
-#  include <X11/Xmu/Drawing.h>
-# else  /* VMS */
-#  include <Xmu/Drawing.h>
-# endif /* VMS */
-#endif /* HAVE_XMU */
+#include "xpm-pixmap.h"
  
  #include "images/bob.xbm"
  
  
  #include "images/bob.xbm"
  
@@ -219,100 +206,18 @@ make_flag_bits(ModeInfo *mi)
           *bitmap_name &&
           !!strcmp(bitmap_name, "(default)"))
         {
           *bitmap_name &&
           !!strcmp(bitmap_name, "(default)"))
         {
-#ifdef HAVE_XPM
-         Window window = MI_WINDOW(mi);
-         XWindowAttributes xgwa;
-         XpmAttributes xpmattrs;
-         int result;
           Pixmap bitmap = 0;
           Pixmap bitmap = 0;
-         int width = 0, height = 0;
-         xpmattrs.valuemask = 0;
-
-         XGetWindowAttributes (dpy, window, &xgwa);
-
-# ifdef XpmCloseness
-         xpmattrs.valuemask |= XpmCloseness;
-         xpmattrs.closeness = 40000;
-# endif
-# ifdef XpmVisual
-         xpmattrs.valuemask |= XpmVisual;
-         xpmattrs.visual = xgwa.visual;
-# endif
-# ifdef XpmDepth
-         xpmattrs.valuemask |= XpmDepth;
-         xpmattrs.depth = xgwa.depth;
-# endif
-# ifdef XpmColormap
-         xpmattrs.valuemask |= XpmColormap;
-         xpmattrs.colormap = xgwa.colormap;
-# endif
-
-         /* Uh, we don't need these now.  We use the colors from the xpm.
-                It kinda sucks that we already allocated them. */
-         XFreeColors(dpy, xgwa.colormap, mi->pixels, mi->npixels, 0L);
-
-         result = XpmReadFileToPixmap (dpy, window, bitmap_name, &bitmap, 0,
-                                                                       &xpmattrs);
-         switch (result)
-               {
-               case XpmColorError:
-                 fprintf (stderr, "%s: warning: xpm color substitution performed\n",
-                                  progname);
-                 /* fall through */
-               case XpmSuccess:
-                 width = xpmattrs.width;
-                 height = xpmattrs.height;
-                 break;
-               case XpmFileInvalid:
-               case XpmOpenFailed:
-                 bitmap = 0;
-                 break;
-               case XpmColorFailed:
-                 fprintf (stderr, "%s: xpm: color allocation failed\n", progname);
-                 exit (-1);
-               case XpmNoMemory:
-                 fprintf (stderr, "%s: xpm: out of memory\n", progname);
-                 exit (-1);
-               default:
-                 fprintf (stderr, "%s: xpm: unknown error code %d\n", progname,
-                                  result);
-                 exit (-1);
-               }
+      int width = 0;
+      int height = 0;
  
  
+      bitmap = xpm_file_to_pixmap (dpy, MI_WINDOW (mi), bitmap_name,
+                                   &width, &height, 0);
           if (bitmap)
                 {
                   fp->image = XGetImage(dpy, bitmap, 0, 0, width, height, ~0L,
                                                                 ZPixmap);
                   XFreePixmap(dpy, bitmap);
                 }
           if (bitmap)
                 {
                   fp->image = XGetImage(dpy, bitmap, 0, 0, width, height, ~0L,
                                                                 ZPixmap);
                   XFreePixmap(dpy, bitmap);
                 }
-         else
-#endif /* HAVE_XPM */
-
-#ifdef HAVE_XMU
-               {
-                 int width, height, xh, yh;
-                 Pixmap bitmap =
-                       XmuLocateBitmapFile (DefaultScreenOfDisplay (dpy),
-                                                                bitmap_name, 0, 0, &width, &height, &xh, &yh);
-                 if (!bitmap)
-                       {
-                         fprintf(stderr, "%s: unable to load bitmap file %s\n",
-                                         progname, bitmap_name);
-                         exit (1);
-                       }
-                 fp->image = XGetImage(dpy, bitmap, 0, 0, width, height,
-                                                               1L, XYPixmap);
-                 XFreePixmap(dpy, bitmap);
-               }
-
-#else  /* !XMU */
-      fprintf (stderr,
-                          "%s: your vendor doesn't ship the standard Xmu library.\n",
-                          progname);
-      fprintf (stderr, "\tWe can't load XBM files without it.\n");
-      exit (1);
-#endif /* !XMU */
-
         }
    else if (text && *text)
         {
         }
    else if (text && *text)
         {
diff --git a/hacks/forest.c b/hacks/forest.c

index 0a64c0609a11087f58db86dba8ac4d83a6d7b86e..ce57b7b93002416a1352e57b0d51b49473129fe1 100644 (file)
--- a/hacks/forest.c
+++ b/hacks/forest.c
@@ -1,233 +1,226 @@
-/* forest.c (aka xtree.c), Copyright (c) 1999
- *  Peter Baumung <unn6@rz.uni-karlsruhe.de>
+/* -*- Mode: C; tab-width: 4 -*- */
+/* forest --- binary trees in a fractal forest */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)forest.c     5.00 2000/11/01 xlockmore";
+
+#endif
+
+/*-
+ * Copyright (c) 1995 Pascal Pensa <pensa@aurora.unice.fr>
+ *
+ * Original idea : Guillaume Ramey <ramey@aurora.unice.fr>
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
   *
   *
- * Most code taken from
- *  xscreensaver, Copyright (c) 1992, 1995, 1997 
- *  Jamie Zawinski <jwz@netscape.com>
+ * Revision History:
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
   *
   *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or 
- * implied warranty.
   */
  
   */
  
-#include "config.h"
-
  #ifdef STANDALONE
  #ifdef STANDALONE
-# define PROGCLASS          "Forest" /*"XTree"*/
-# define HACK_INIT          init_trees
-# define HACK_DRAW          draw_trees
-# define trees_opts         xlockmore_opts 
-# define DEFAULTS   "*delay:            500000 \n"  \
-                    "*ncolors:          20     \n"  \
-                    "*eraseSpeed:       400    \n"  \
-                    "*eraseMode:        -1     \n"  \
-                    "*installColormap   False"
-# include "xlockmore.h"     /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-ModeSpecOpt trees_opts = {0, NULL, 0, NULL, NULL};
+#define MODE_forest
+#define PROGCLASS "Forest"
+#define HACK_INIT init_forest
+#define HACK_DRAW draw_forest
+#define forest_opts xlockmore_opts
+#define DEFAULTS "*delay: 500000 \n" \
+ "*count: 100 \n" \
+ "*cycles: 200 \n" \
+ "*ncolors: 20 \n"
+#define UNIFORM_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+
+#endif /* STANDALONE */
+
+#ifdef MODE_forest
+
+ModeSpecOpt forest_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   forest_description =
+{"forest", "init_forest", "draw_forest", "release_forest",
+ "refresh_forest", "init_forest", (char *) NULL, &forest_opts,
+ 400000, 100, 200, 1, 64, 1.0, "",
+ "Shows binary trees of a fractal forest", 0, NULL};
+
+#endif
+
+#define MINTREES   1
+
+#define MINHEIGHT  20          /* Tree height range */
+#define MAXHEIGHT  40
+
+#define MINANGLE   15          /* (degree) angle between soon */
+#define MAXANGLE   35
+#define RANDANGLE  15          /* (degree) Max random angle from default */
+
+#define REDUCE     90          /* Height % from father */
+
+#define ITERLEVEL  10          /* Tree iteration */
+
+#define COLORSPEED  2          /* Color increment */
+
+/* degree to radian */
+#define DEGTORAD(x) (((float)(x)) * M_PI / 180.0)
+
+#define RANGE_RAND(min,max) ((min) + NRAND((max) - (min)))
  
  typedef struct {
  
  typedef struct {
-  int     x;
-  int     y;
-  int     thick;
-  double  size;
-  long    color;
-  int     toDo;
-  int     season;
-} treestruct;
-
-static treestruct *trees = NULL;
-
-XColor colors[20];
-int color;
-
-static long colorM[12] = {0xff0000, 0xff8000, 0xffff00, 0x80ff00,
-                          0x00ff00, 0x00ff80, 0x00ffff, 0x0080ff,
-                          0x0000ff, 0x8000ff, 0xff00ff, 0xff0080};
-
-static long colorV[12] = {0x0a0000, 0x0a0500, 0x0a0a00, 0x050a00,
-                          0x000a00, 0x000a05, 0x000a0a, 0x00050a,
-                          0x00000a, 0x05000a, 0x0a000a, 0x0a0005};
-
-void init_trees(ModeInfo * mi) {
-       unsigned long                   pixels[20];
-  treestruct       *tree;
-  Display          *display = MI_DISPLAY(mi);
-  GC                gc = MI_GC(mi);
-  int               i;
-
-  if (trees == NULL) {
-    trees = (treestruct *) calloc(MI_NUM_SCREENS(mi), sizeof (treestruct));
-    if (trees == NULL) {
-      return;
-    }
-               
-    if (mi->npixels > 20) {
-                       printf("%d colors selected. Setting limit to 20...\n", mi->npixels);
-                       mi->npixels = 20;
-               }
-                       
-               if (mi->npixels < 4) {
-      for (i = 0; i < mi->npixels; i++) {
-        colors[i].red   = 65535 * (i & 1);
-        colors[i].green = 65535 * (i & 1);
-        colors[i].blue  = 65535 * (i & 1);
-        colors[i].flags = DoRed | DoGreen | DoBlue;
-      }
-    } else {
-      if (mi->npixels < 8) {
-        for (i = 0; i < mi->npixels; i++) {
-          colors[i].red   = 32768 + 4096 * (i % 4);
-          colors[i].green = 32768 + 4096 * (i % 4);
-          colors[i].blue  = 32768 + 4096 * (i % 4);
-          colors[i].flags = DoRed | DoGreen | DoBlue;
-        }
-      } else {
-        for (i = 0; i < mi->npixels; i++) {
-          colors[i].red   = 24576 + 4096 * (i % 4);
-          colors[i].green = 10240 + 2048 * (i % 4);
-          colors[i].blue  =  0;
-          colors[i].flags = DoRed | DoGreen | DoBlue;
-        }
-      }
-    }
-
-    for (i = 0; i < mi->npixels; i++)
-      if (!XAllocColor(display, mi->xgwa.colormap, &colors[i])) break;
-    color = i;
-
-    XSetForeground(display, gc, colors[1].pixel);
-  }
-
-  XClearWindow(display, MI_WINDOW(mi));
-  XSetLineAttributes(display, gc, 2, LineSolid, CapButt, JoinMiter);
-  tree = &trees[MI_SCREEN(mi)];
-  tree->toDo   = 25;
-       tree->season = NRAND(12);
-
-  for (i = 4; i < mi->npixels; i++) {
-    int sIndex = (tree->season + (i-4) / 4) % 12;
-    long color = colorM[sIndex] - 2 * colorV[sIndex] * (i % 4);
-    colors[i].red = (color & 0xff0000) / 256;
-    colors[i].green = (color & 0x00ff00);
-    colors[i].blue = (color & 0x0000ff) * 256;
-    colors[i].flags = DoRed | DoGreen | DoBlue;
-  }
-
-       for (i = 0; i < color; i++)
-               pixels[i] = colors[i].pixel;
-                       
-  XFreeColors(display, mi->xgwa.colormap, pixels, mi->npixels, 0L);
-
-       for (i = 0; i < mi->npixels; i++)
-    if (!XAllocColor(display, mi->xgwa.colormap, &colors[i])) break;
-
-  color = i;
+       int         width;
+       int         height;
+       int         time;       /* up time */
+       int         ntrees;
+} foreststruct;
+
+static foreststruct *forests = (foreststruct *) NULL;
+
+static void
+draw_tree(ModeInfo * mi,
+         short int x, short int y, short int len,
+         float a, float as, short int c, short int level)
+                               /* Father's end */
+                               /* Length */
+                               /* color */
+                               /* Height level */
+                               /* Father's angle */
+                               /* Father's angle step */
+{
+       Display    *display = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
+       GC          gc = MI_GC(mi);
+       short       x_1, y_1, x_2, y_2;
+       float       a1, a2;
+
+       /* left */
+
+       a1 = a + as + DEGTORAD(NRAND(2 * RANDANGLE) - RANDANGLE);
+
+       x_1 = x + (short) (COSF(a1) * ((float) len));
+       y_1 = y + (short) (SINF(a1) * ((float) len));
+
+       /* right */
+
+       a2 = a - as + DEGTORAD(NRAND(2 * RANDANGLE) - RANDANGLE);
+
+       x_2 = x + (short) (COSF(a2) * ((float) len));
+       y_2 = y + (short) (SINF(a2) * ((float) len));
+
+       if (MI_NPIXELS(mi) > 2) {
+               XSetForeground(display, gc, MI_PIXEL(mi, c));
+               c = (c + COLORSPEED) % MI_NPIXELS(mi);
+       } else
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+
+       XDrawLine(display, window, gc, x, y, x_1, y_1);
+       XDrawLine(display, window, gc, x, y, x_2, y_2);
+
+       if (level < 2) {
+               XDrawLine(display, window, gc, x + 1, y, x_1 + 1, y_1);
+               XDrawLine(display, window, gc, x + 1, y, x_2 + 1, y_2);
+       }
+       len = (len * REDUCE * 10) / 1000;
+
+       if (level < ITERLEVEL) {
+               draw_tree(mi, x_1, y_1, len, a1, as, c, level + 1);
+               draw_tree(mi, x_2, y_2, len, a2, as, c, level + 1);
+       }
  }
  
  }
  
-double rRand(double a, double b) {
-  return (a+(b-a)*NRAND(10001)/10000.0);
+void
+init_forest(ModeInfo * mi)
+{
+       foreststruct *fp;
+
+       if (forests == NULL) {
+               if ((forests = (foreststruct *) calloc(MI_NUM_SCREENS(mi),
+                                            sizeof (foreststruct))) == NULL)
+                       return;
+       }
+       fp = &forests[MI_SCREEN(mi)];
+
+       fp->width = MI_WIDTH(mi);
+       fp->height = MI_HEIGHT(mi);
+       fp->time = 0;
+
+       fp->ntrees = MI_COUNT(mi);
+       if (fp->ntrees < -MINTREES)
+               fp->ntrees = NRAND(-fp->ntrees - MINTREES + 1) + MINTREES;
+       else if (fp->ntrees < MINTREES)
+               fp->ntrees = MINTREES;
+
+       MI_CLEARWINDOW(mi);
  }
  
  }
  
-void draw_line(ModeInfo * mi,
-               int x1, int y1, int x2, int y2,
-               double angle, int widths, int widthe) {
-
-  Display    *display = MI_DISPLAY(mi);
-  GC          gc = MI_GC(mi);
-  double      sns = 0.5*widths*sin(angle + M_PI_2);
-  double      css = 0.5*widths*cos(angle + M_PI_2);
-  double      sne = 0.5*widthe*sin(angle + M_PI_2);
-  double      cse = 0.5*widthe*cos(angle + M_PI_2);
-
-  int         xs1 = (int) (x1-sns);
-  int         xs2 = (int) (x1+sns);
-  int         ys1 = (int) (y1-css);
-  int         ys2 = (int) (y1+css);
-  int         xe1 = (int) (x2-sne);
-  int         xe2 = (int) (x2+sne);
-  int         ye1 = (int) (y2-cse);
-  int         ye2 = (int) (y2+cse);
-  int         i;
-
-  for (i = 0; i < widths; i++) {
-    if (color >= 4)
-      XSetForeground(display, gc, colors[i*4/widths].pixel);
-    XDrawLine(display, MI_WINDOW(mi), gc,
-      xs1+(xs2-xs1)*i/widths, ys1+(ys2-ys1)*i/widths,
-      xe1+(xe2-xe1)*i/widths, ye1+(ye2-ye1)*i/widths);
-  }
+void
+draw_forest(ModeInfo * mi)
+{
+       Display    *display = MI_DISPLAY(mi);
+       GC          gc = MI_GC(mi);
+       short       x, y, x_2, y_2, len, c = 0;
+       float       a, as;
+       foreststruct *fp;
+
+       if (forests == NULL)
+               return;
+       fp = &forests[MI_SCREEN(mi)];
+
+       MI_IS_DRAWN(mi) = True;
+       if (fp->time < fp->ntrees) {
+
+               x = RANGE_RAND(0, fp->width);
+               y = RANGE_RAND(0, fp->height + MAXHEIGHT);
+               a = -M_PI / 2.0 + DEGTORAD(NRAND(2 * RANDANGLE) - RANDANGLE);
+               as = DEGTORAD(RANGE_RAND(MINANGLE, MAXANGLE));
+               len = ((RANGE_RAND(MINHEIGHT, MAXHEIGHT) * (fp->width / 20)) / 50) + 2;
+
+               if (MI_NPIXELS(mi) > 2) {
+                       c = NRAND(MI_NPIXELS(mi));
+                       XSetForeground(display, gc, MI_PIXEL(mi, c));
+                       c = (c + COLORSPEED) % MI_NPIXELS(mi);
+               } else
+                       XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+
+               x_2 = x + (short) (COSF(a) * ((float) len));
+               y_2 = y + (short) (SINF(a) * ((float) len));
+
+               XDrawLine(display, MI_WINDOW(mi), gc, x, y, x_2, y_2);
+               XDrawLine(display, MI_WINDOW(mi), gc, x + 1, y, x_2 + 1, y_2);
+
+               draw_tree(mi, x_2, y_2, (len * REDUCE) / 100, a, as, c, 1);
+       }
+       if (++fp->time > MI_CYCLES(mi)) {
+               init_forest(mi);
+       }
  }
  
  }
  
-void draw_tree_rec(ModeInfo * mi, double thick, int x, int y, double angle) {
-  treestruct *tree = &trees[MI_SCREEN(mi)];
-  Display    *display = MI_DISPLAY(mi);
-  GC          gc = MI_GC(mi);
-  int         length = (24+NRAND(12))*tree->size;
-  int         a = (int) (x - length*sin(angle));
-  int         b = (int) (y - length*cos(angle));
-  int         i;
-
-  draw_line(mi, x, y, a, b, angle, thick*tree->size, 0.68*thick*tree->size);
-
-  if (thick > 2) {
-    draw_tree_rec(mi, 0.68*thick, a, b, 0.8*angle+rRand(-0.2, 0.2));
-    if (thick < tree->thick-1) {
-      draw_tree_rec(mi, 0.68*thick, a, b, angle+rRand(0.2, 0.9));
-      draw_tree_rec(mi, 0.68*thick, (a+x)/2, (b+y)/2, angle-rRand(0.2, 0.9));
-    }
-  }
-
-  if (thick < 0.5*tree->thick) {
-       int     nleaf = 12 + NRAND(4);
-         XArc    leaf[16];
-    for (i = 0; i < nleaf; i++) {
-      leaf[i].x = a + (int) (tree->size * rRand(-12, 12));
-      leaf[i].y = b + (int) (tree->size * rRand(-12, 12));
-      leaf[i].width = (int) (tree->size * rRand(2, 6));
-      leaf[i].height = leaf[i].width;
-      leaf[i].angle1 = 0;
-      leaf[i].angle2 = 360 * 64;
-    }
-    if (mi->npixels >= 4)
-      XSetForeground(display, gc, colors[tree->color+NRAND(4)].pixel);
-    XFillArcs(display, MI_WINDOW(mi), gc, leaf, nleaf);
-  }
+void
+release_forest(ModeInfo * mi)
+{
+       if (forests != NULL) {
+               (void) free((void *) forests);
+               forests = (foreststruct *) NULL;
+       }
  }
  
  }
  
-void draw_trees(ModeInfo * mi) {
-  treestruct *tree = &trees[MI_SCREEN(mi)];
-       int                                     width = MI_WIN_WIDTH(mi);
-       int                                     height = MI_WIN_HEIGHT(mi);
-
-  if (--(tree->toDo) == 0) {
-    usleep(3000000);
-    init_trees(mi);
-  }
-
-  tree->x        = NRAND(width);
-  tree->y        = (int) (1.25 * height * (1 - tree->toDo / 23.0));
-  tree->thick    = rRand(7, 12);
-  tree->size     = height / 480.0;
-  if (color < 8) {
-    tree->color = 0;
-  } else {
-    tree->color    = 4 * (1 + NRAND(color / 4 - 1));
-  }
-
-  draw_tree_rec(mi, tree->thick, tree->x, tree->y, rRand(-0.1, 0.1));
+void
+refresh_forest(ModeInfo * mi)
+{
+       MI_CLEARWINDOW(mi);
  }
  
  }
  
-void release_trees(ModeInfo * mi) {
-  if (trees != NULL) {
-    (void) free((void *) trees);
-    trees = NULL;
-  }
-}
+#endif /* MODE_forest */
diff --git a/hacks/glx/Makefile.in b/hacks/glx/Makefile.in

index a824037eefc27f2cfa438a54af207fb75c50db2e..5b8f028063a2498462d27823826e75a2cc6f03e0 100644 (file)
--- a/hacks/glx/Makefile.in
+++ b/hacks/glx/Makefile.in
@@ -78,7 +78,8 @@ SRCS          = xscreensaver-gl-helper.c \
                   gflux.c stonerview.c stonerview-move.c stonerview-osc.c \
                   stonerview-view.c starwars.c glut_stroke.c glut_swidth.c \
                   gltext.c molecule.c dangerball.c sphere.c tube.c circuit.c \
                   gflux.c stonerview.c stonerview-move.c stonerview-osc.c \
                   stonerview-view.c starwars.c glut_stroke.c glut_swidth.c \
                   gltext.c molecule.c dangerball.c sphere.c tube.c circuit.c \
-                 menger.c engine.c flipscreen3d.c font-ximage.c grab-ximage.c
+                 menger.c engine.c flipscreen3d.c font-ximage.c \
+                 grab-ximage.c glsnake.c boxed.c glforestfire.c sballs.c
  
  OBJS           = xscreensaver-gl-helper.o \
                   atlantis.o b_draw.o b_lockglue.o b_sphere.o bubble3d.o \
  
  OBJS           = xscreensaver-gl-helper.o \
                   atlantis.o b_draw.o b_lockglue.o b_sphere.o bubble3d.o \
@@ -93,12 +94,14 @@ OBJS                = xscreensaver-gl-helper.o \
                   gflux.o stonerview.o stonerview-move.o stonerview-osc.o \
                   stonerview-view.o starwars.o glut_stroke.o glut_swidth.o \
                   gltext.o molecule.o dangerball.o sphere.o tube.o circuit.o \
                   gflux.o stonerview.o stonerview-move.o stonerview-osc.o \
                   stonerview-view.o starwars.o glut_stroke.o glut_swidth.o \
                   gltext.o molecule.o dangerball.o sphere.o tube.o circuit.o \
-                 menger.o engine.o flipscreen3d.o font-ximage.o grab-ximage.o
+                 menger.o engine.o flipscreen3d.o font-ximage.o \
+                 grab-ximage.o glsnake.o boxed.o glforestfire.o sballs.o
  
  GL_EXES                = cage gears moebius pipes sproingies stairs superquadrics \
                   morph3d rubik atlantis lament bubble3d glplanet pulsar \
                   sierpinski3d gflux stonerview starwars gltext molecule \
  
  GL_EXES                = cage gears moebius pipes sproingies stairs superquadrics \
                   morph3d rubik atlantis lament bubble3d glplanet pulsar \
                   sierpinski3d gflux stonerview starwars gltext molecule \
-                 dangerball circuit menger engine flipscreen3d
+                 dangerball circuit menger engine flipscreen3d glsnake boxed \
+                 glforestfire sballs
  GLE_EXES       = extrusion
  GL_UTIL_EXES   = xscreensaver-gl-helper
  HACK_EXES      = @GL_EXES@ @GLE_EXES@
  GLE_EXES       = extrusion
  GL_UTIL_EXES   = xscreensaver-gl-helper
  HACK_EXES      = @GL_EXES@ @GLE_EXES@
@@ -112,10 +115,11 @@ HACK_OBJS = screenhack-gl.o xlock-gl.o fps.o $(HACK_BIN)/xlockmore.o \
                   $(UTILS_BIN)/colors.o
  
  HDRS           = atlantis.h bubble3d.h buildlwo.h e_textures.h xpm-ximage.h \
                   $(UTILS_BIN)/colors.o
  
  HDRS           = atlantis.h bubble3d.h buildlwo.h e_textures.h xpm-ximage.h \
-                 grab-ximage.h font-ximage.h tube.h sphere.h \
+                 grab-ximage.h font-ximage.h tube.h sphere.h boxed.h \
                   stonerview-move.h stonerview-osc.h glutstroke.h glut_roman.h
  GL_MEN         = gflux.man lament.man starwars.man gltext.man \
                   stonerview-move.h stonerview-osc.h glutstroke.h glut_roman.h
  GL_MEN         = gflux.man lament.man starwars.man gltext.man \
-                 molecule.man xscreensaver-gl-helper.man
+                 molecule.man xscreensaver-gl-helper.man glsnake.man \
+                 glforestfire.man sballs.man
  MEN            = @GL_MEN@
  EXTRAS         = README Makefile.in
  
  MEN            = @GL_MEN@
  EXTRAS         = README Makefile.in
  
@@ -369,6 +373,17 @@ engine:            engine.o        $(HACK_OBJS)
  flipscreen3d:  flipscreen3d.o  $(HACK_OBJS) $(GRAB_OBJS)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB_OBJS) $(HACK_LIBS)
  
  flipscreen3d:  flipscreen3d.o  $(HACK_OBJS) $(GRAB_OBJS)
         $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(GRAB_OBJS) $(HACK_LIBS)
  
+glsnake:       glsnake.o       $(HACK_OBJS)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(HACK_LIBS)
+
+boxed:         boxed.o         $(HACK_OBJS)
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) $(HACK_LIBS)
+
+glforestfire:  glforestfire.o  $(HACK_OBJS) xpm-ximage.o
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) xpm-ximage.o $(XPM_LIBS)
+
+sballs:                sballs.o        $(HACK_OBJS) xpm-ximage.o
+       $(CC_HACK) -o $@ $@.o   $(HACK_OBJS) xpm-ximage.o $(XPM_LIBS)
  
  # This one works differently (it's not xlock-like.)
  #
  
  # This one works differently (it's not xlock-like.)
  #
@@ -503,4 +518,15 @@ flipscreen3d.o: ../../config.h
  flipscreen3d.o: $(srcdir)/grab-ximage.h
  font-ximage.o: ../../config.h
  grab-ximage.o: ../../config.h
  flipscreen3d.o: $(srcdir)/grab-ximage.h
  font-ximage.o: ../../config.h
  grab-ximage.o: ../../config.h
+glsnake.o: ../../config.h
+boxed.o: $(srcdir)/boxed.h
+boxed.o: ../../config.h
+glforestfire.o: ../../config.h
+glforestfire.o: $(srcdir)/xpm-ximage.h
+glforestfire.o: $(HACK_SRC)/images/ground.xpm
+glforestfire.o: $(HACK_SRC)/images/tree.xpm
+sballs.o: ../../config.h
+sballs.o: $(srcdir)/xpm-ximage.h
+sballs.o: $(HACK_SRC)/images/sball.xpm
+sballs.o: $(HACK_SRC)/images/sball-bg.xpm
  
  
diff --git a/hacks/glx/atlantis.c b/hacks/glx/atlantis.c

index 5c37d8603b158b15428cdef5dcda8cbd06d28548..b62d50d381e0eedbb91cad20f5daa80442e3edba 100644 (file)
--- a/hacks/glx/atlantis.c
+++ b/hacks/glx/atlantis.c
@@ -174,8 +174,10 @@ ModStruct   atlantis_description =
  static atlantisstruct *atlantis = NULL;
  
  #include "xpm-ximage.h"
  static atlantisstruct *atlantis = NULL;
  
  #include "xpm-ximage.h"
+
  #include "../images/sea-texture.xpm"
  
  #include "../images/sea-texture.xpm"
  
+
  static void
  parse_image_data(ModeInfo *mi)
  {
  static void
  parse_image_data(ModeInfo *mi)
  {
diff --git a/hacks/glx/boxed.c b/hacks/glx/boxed.c

new file mode 100644 (file)

index 0000000..b973f08
--- /dev/null
+++ b/hacks/glx/boxed.c
@@ -0,0 +1,1179 @@
+/* thebox --- 3D bouncing balls that explode */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)boxed.c      0.9 01/09/26 xlockmore";
+
+#endif
+
+/*-
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * Revision History:
+ *
+ * 2001: Written by Sander van Grieken <mailsander@gmx.net> 
+ *       as an OpenGL screensaver for the xscreensaver package.
+ *       Lots of hardcoded values still in place. Also, there are some
+ *       copy/paste leftovers from the gears hack. opts don't work.
+ */
+
+#include <X11/Intrinsic.h>
+#include "boxed.h"
+
+/*
+**----------------------------------------------------------------------------
+** Defines
+**----------------------------------------------------------------------------
+*/
+
+#ifdef STANDALONE
+# define PROGCLASS                                     "boxed"
+# define HACK_INIT                                     init_boxed
+# define HACK_DRAW                                     draw_boxed
+# define HACK_RESHAPE                                  reshape_boxed
+# define boxed_opts                                    xlockmore_opts
+# define DEFAULTS      "*delay:                20000   \n"                     \
+     "*showFPS:         False   \n"                    \
+
+# include "xlockmore.h"                                /* from the xscreensaver distribution */
+#else  /* !STANDALONE */
+# include "xlock.h"                                    /* from the xlockmore distribution */
+#endif /* !STANDALONE */
+
+#ifdef USE_GL
+#include <GL/glu.h>
+
+#undef countof 
+#define countof(x) (int)(sizeof((x))/sizeof((*x)))
+#undef rnd
+#define rnd() ( ((float)random()) / ((float)RAND_MAX * 2.0) )
+
+/* #define DEF_PLANETARY "False"
+
+static int planetary;
+
+static XrmOptionDescRec opts[] = {
+  {"-planetary", ".gears.planetary", XrmoptionNoArg, (caddr_t) "true" },
+  {"+planetary", ".gears.planetary", XrmoptionNoArg, (caddr_t) "false" },
+};
+
+static argtype vars[] = {
+  {(caddr_t *) &planetary, "planetary", "Planetary", DEF_PLANETARY, t_Bool},
+};
+*/
+
+/* ModeSpecOpts boxed_opts = {countof(opts), opts, countof(vars), vars, NULL}; */
+
+ModeSpecOpt boxed_opts = {0, NULL, 0, NULL, NULL};
+
+#ifdef USE_MODULES
+
+ModStruct   boxed_description = { 
+     "boxed", "init_boxed", "draw_boxed", "release_boxed",
+     "draw_boxed", "init_boxed", NULL, &boxed_opts,
+     1000, 1, 2, 1, 4, 1.0, "",
+     "Shows GL's boxed balls", 0, NULL};
+
+#endif
+
+#define BOOL int
+#define TRUE 1
+#define FALSE 0
+
+/* rendering defines */
+
+/* box size */
+#define BOX_SIZE       20.0f
+
+/* camera */
+#define CAM_HEIGHT     100.0f
+#define CAMDISTANCE_MIN 20.0
+#define CAMDISTANCE_MAX 150.0
+#define CAMDISTANCE_SPEED 1.5
+
+/* rendering the sphere */
+#define MESH_SIZE      5
+#define SPHERE_VERTICES        (2+MESH_SIZE*MESH_SIZE*2)
+#define SPHERE_INDICES ((MESH_SIZE*4 + MESH_SIZE*4*(MESH_SIZE-1))*3)
+
+#define EXPLOSION 10.0f
+#define MAXBALLS  50;
+#define NUMBALLS 12;
+#define BALLSIZE 3.0f;
+
+/*
+**-----------------------------------------------------------------------------
+**     Typedefs
+**-----------------------------------------------------------------------------
+*/
+
+typedef struct {
+   GLfloat x;
+   GLfloat y;
+   GLfloat z;
+} vectorf;
+
+typedef struct {
+   vectorf     loc;
+   vectorf     dir;
+   vectorf     color;
+   float       radius;
+   BOOL         bounced;
+   int         offside;
+   BOOL                justcreated;
+} ball;
+
+typedef struct {
+   int         num_balls;
+   float       ballsize;
+   float       explosion;
+   ball                *balls;
+} ballman;
+
+typedef struct {
+   vectorf     loc;
+   vectorf     dir;
+   BOOL         far;
+} tri;
+
+typedef struct {
+   int         num_tri;
+   int                 lifetime;
+   float       scalefac;
+   float       explosion;
+   vectorf     color;
+   tri         *tris;
+   GLint       *indices;
+   vectorf      *normals;
+   vectorf     *vertices;
+} triman;
+
+typedef struct {
+   int numballs;
+   float ballsize;
+   float explosion;
+   BOOL textures;
+   BOOL transparent;
+   float camspeed;
+} boxed_config;
+
+
+typedef struct {
+   float          cam_x_speed, cam_z_speed, cam_y_speed;
+   boxed_config  config;
+   float         tic;
+   vectorf        spherev[SPHERE_VERTICES];
+   GLint          spherei[SPHERE_INDICES];
+   ballman        bman;
+   triman         *tman;
+   GLXContext     *glx_context;
+   GLint          listobjects;
+   GLint          gllists[3];
+   Window         window;
+   BOOL           stop;
+   char           *tex1;
+} boxedstruct;
+
+#define GLL_PATTERN 1
+#define GLL_BALL    2
+#define GLL_BOX     3
+
+/*
+**----------------------------------------------------------------------------
+** Local Variables
+**----------------------------------------------------------------------------
+*/
+
+static boxedstruct *boxed = NULL;
+
+
+/*
+**----------------------------------------------------------------------------
+** Functions
+**----------------------------------------------------------------------------
+*/
+
+/*
+ * Add 2 vectors
+ */ 
+static inline void addvectors(vectorf *dest, vectorf *s1, vectorf *s2) 
+{
+   dest->x = s1->x + s2->x;
+   dest->y = s1->y + s2->y;
+   dest->z = s1->z + s2->z;
+}
+
+/*
+ * Sub 2 vectors
+ */ 
+static inline void subvectors(vectorf *dest, vectorf* s1, vectorf *s2) 
+{
+   dest->x = s1->x - s2->x;
+   dest->y = s1->y - s2->y;
+   dest->z = s1->z - s2->z;
+}
+
+/*
+ * Multiply vector with scalar (scale vector)
+ */ 
+static inline void scalevector(vectorf *dest, vectorf *source, GLfloat sc)
+{
+   dest->x = source->x * sc;
+   dest->y = source->y * sc;
+   dest->z = source->z * sc;
+}
+
+/*
+ * Copy vector
+ */
+static inline void copyvector(vectorf *dest, vectorf* source) 
+{
+   dest->x = source->x;
+   dest->y = source->y;
+   dest->z = source->z;
+}
+
+
+static inline GLfloat
+dotproduct(vectorf * v1, vectorf * v2)
+{
+   return v1->x * v2->x + v1->y * v2->y + v1->z * v2->z;
+}
+
+static inline GLfloat
+squaremagnitude(vectorf * v)
+{
+   return v->x * v->x + v->y * v->y + v->z * v->z;
+}
+
+
+
+/*
+ * Generate the Sphere data
+ * 
+ * Input: 
+ */ 
+
+static void generatesphere(void)
+{
+   float   dj = M_PI/(MESH_SIZE+1.0f);
+   float   di = M_PI/MESH_SIZE;
+   int    v;   /* vertex offset */
+   int     ind;        /* indices offset */
+   int     i,j,si;
+   GLfloat r_y_plane, h_y_plane;
+   vectorf *spherev;
+   GLint   *spherei;
+   
+   /*
+    * generate the sphere data
+    * vertices 0 and 1 are the north and south poles
+    */
+   
+   spherei = boxed->spherei;
+   spherev = boxed->spherev;
+   
+   spherev[0].x = 0.0f; spherev[0].y =1.0f; spherev[0].z = 0.0f;
+   spherev[1].x = 0.0f; spherev[1].y =-1.0f; spherev[1].z = 0.0f;
+   
+   for (j=0; j<MESH_SIZE; j++) {
+      r_y_plane = (float)sin((j+1) * dj);
+      h_y_plane = (float)cos((j+1) * dj);
+      for (i=0; i<MESH_SIZE*2; i++) {
+        si = 2+i+j*MESH_SIZE*2;
+        spherev[si].y = h_y_plane;
+        spherev[si].x = (float) sin(i * di) * r_y_plane;
+        spherev[si].z = (float) cos(i * di) * r_y_plane;
+      }
+   }
+   
+   /* generate indices */
+   for (i=0; i<MESH_SIZE*2; i++) {
+      spherei[3*i] = 0;
+      spherei[3*i+1] = i+2;
+      spherei[3*i+2] = i+3;
+      if (i==MESH_SIZE*2-1)
+       spherei[3*i+2] = 2;
+   }
+   
+   /* the middle strips */
+   for (j=0; j<MESH_SIZE-1; j++) {
+      v = 2+j*MESH_SIZE*2;
+      ind = 3*MESH_SIZE*2 + j*6*MESH_SIZE*2;
+      for (i=0; i<MESH_SIZE*2; i++) {
+        spherei[6*i+ind] = v+i;
+        spherei[6*i+2+ind] = v+i+1;
+        spherei[6*i+1+ind] = v+i+MESH_SIZE*2;
+        
+        spherei[6*i+ind+3] = v+i+MESH_SIZE*2;
+        spherei[6*i+2+ind+3] = v+i+1;
+        spherei[6*i+1+ind+3] = v+i+MESH_SIZE*2+1;
+        if (i==MESH_SIZE*2-1) {
+           spherei[6*i+2+ind] = v+i+1-2*MESH_SIZE;
+           spherei[6*i+2+ind+3] = v+i+1-2*MESH_SIZE;
+           spherei[6*i+1+ind+3] = v+i+MESH_SIZE*2+1-2*MESH_SIZE;
+        }
+      }
+   }
+   
+   v = SPHERE_VERTICES-MESH_SIZE*2;
+   ind = SPHERE_INDICES-3*MESH_SIZE*2;
+   for (i=0; i<MESH_SIZE*2; i++) {
+      spherei[3*i+ind] = 1;
+      spherei[3*i+1+ind] = v+i+1;
+      spherei[3*i+2+ind] = v+i;
+      if (i==MESH_SIZE*2-1)
+       spherei[3*i+1+ind] = v;
+   }
+}
+
+      
+      
+    
+/*
+ * create fresh ball 
+ */
+
+void createball(ball *newball) {
+   float r=0.0f,g=0.0f,b=0.0f;
+   newball->loc.x = 5-10*rnd();
+   newball->loc.y = 35+20*rnd();
+   newball->loc.z = 5-10*rnd();
+   newball->dir.x = 0.5f-rnd();
+   newball->dir.y = 0.0;
+   newball->dir.z = 0.5-rnd();
+   newball->offside = 0;
+   newball->bounced = FALSE;
+   newball->radius = BALLSIZE;
+   while (r+g+b < 1.7f ) {
+      newball->color.x = r=rnd();
+      newball->color.y = g=rnd();
+      newball->color.z = b=rnd();
+   }
+   newball->justcreated = TRUE;
+}
+
+/* Update position of each ball */
+
+void updateballs(ballman *bman) {
+   register int b,j;
+   vectorf dvect,richting,relspeed,influence;
+   GLfloat squaredist;
+
+   for (b=0;b<bman->num_balls;b++) {
+
+      /* apply gravity */
+      bman->balls[b].dir.y -= 0.15f;
+      /* apply movement */
+      addvectors(&bman->balls[b].loc,&bman->balls[b].loc,&bman->balls[b].dir);
+      /* boundary check */
+      if (bman->balls[b].loc.y < bman->balls[b].radius) { /* ball onder bodem? (bodem @ y=0) */
+        if ((bman->balls[b].loc.x < -100.0) || 
+            (bman->balls[b].loc.x > 100.0) ||
+            (bman->balls[b].loc.z < -100.0) ||
+            (bman->balls[b].loc.z > 100.0)) {
+           if (bman->balls[b].loc.y < -1000.0)
+             createball(&bman->balls[b]);
+        } else {
+           bman->balls[b].loc.y = bman->balls[b].radius  + (bman->balls[b].radius - bman->balls[b].loc.y);
+           bman->balls[b].dir.y = -bman->balls[b].dir.y;
+           if (bman->balls[b].offside) {
+              bman->balls[b].bounced = TRUE; /* temporary disable painting ball */
+              scalevector(&bman->balls[b].dir,&bman->balls[b].dir,0.80f);
+              if (squaremagnitude(&bman->balls[b].dir) < 0.08f) {
+                 createball(&bman->balls[b]);
+              }
+           }
+        }
+        
+      }
+      if (!bman->balls[b].offside) {
+        if (bman->balls[b].loc.x - bman->balls[b].radius < -20.0f) { /* x ondergrens */
+           if (bman->balls[b].loc.y > 41+bman->balls[b].radius)  bman->balls[b].offside=1;
+           else {
+              bman->balls[b].dir.x = -bman->balls[b].dir.x;
+              bman->balls[b].loc.x = -20.0f + bman->balls[b].radius;
+           }
+        }
+        if (bman->balls[b].loc.x + bman->balls[b].radius > 20.0f) { /* x bovengrens */
+           if (bman->balls[b].loc.y > 41+bman->balls[b].radius)  bman->balls[b].offside=1;
+           else {
+              bman->balls[b].dir.x = -bman->balls[b].dir.x;
+              bman->balls[b].loc.x = 20.0f - bman->balls[b].radius;
+           }
+        }
+        if (bman->balls[b].loc.z - bman->balls[b].radius < -20.0f) { /* z ondergrens */
+           if (bman->balls[b].loc.y > 41+bman->balls[b].radius)  bman->balls[b].offside=1;
+           else {
+              bman->balls[b].dir.z = -bman->balls[b].dir.z;
+              bman->balls[b].loc.z = -20.0f + bman->balls[b].radius;
+           }
+        }
+        if (bman->balls[b].loc.z + bman->balls[b].radius > 20.0f) { /* z bovengrens */
+           if (bman->balls[b].loc.y > 41+bman->balls[b].radius)  bman->balls[b].offside=1;
+           else {
+              bman->balls[b].dir.z = -bman->balls[b].dir.z;
+              bman->balls[b].loc.z = 20.0f - bman->balls[b].radius;
+           }
+        }
+      } /* end if !offside */
+   
+      /* check voor stuiteren */
+      for (j=b+1;j<bman->num_balls;j++) {
+        squaredist = (bman->balls[b].radius * bman->balls[b].radius) + (bman->balls[j].radius * bman->balls[j].radius);
+        subvectors(&dvect,&bman->balls[b].loc,&bman->balls[j].loc);
+        if ( squaremagnitude(&dvect) < squaredist ) { /* balls b and j touch */
+           subvectors(&richting,&bman->balls[j].loc,&bman->balls[b].loc);
+           subvectors(&relspeed,&bman->balls[b].dir,&bman->balls[j].dir);
+           /* calc mutual influence direction and magnitude */
+           scalevector(&influence,&richting,(dotproduct(&richting,&relspeed)/squaremagnitude(&richting)));
+           
+           subvectors(&bman->balls[b].dir,&bman->balls[b].dir,&influence);
+           addvectors(&bman->balls[j].dir,&bman->balls[j].dir,&influence);
+           addvectors(&bman->balls[b].loc,&bman->balls[b].loc,&bman->balls[b].dir);
+           addvectors(&bman->balls[j].loc,&bman->balls[j].loc,&bman->balls[j].dir);
+           
+           subvectors(&dvect,&bman->balls[b].loc,&bman->balls[j].loc);
+           while (squaremagnitude(&dvect) < squaredist) {
+              addvectors(&bman->balls[b].loc,&bman->balls[b].loc,&bman->balls[b].dir);
+              addvectors(&bman->balls[j].loc,&bman->balls[j].loc,&bman->balls[j].dir);
+              subvectors(&dvect,&bman->balls[b].loc,&bman->balls[j].loc);
+           }
+        }
+      } /* end for j */
+   } /* end for b */
+}
+
+
+/*
+* explode ball into triangles
+*/
+
+void createtrisfromball(triman* tman, vectorf *spherev, GLint *spherei, int ind_num, ball *b) {
+   int pos;
+   float explosion;
+   float scale;
+   register int i;
+   vectorf avgdir,dvect;
+
+   tman->scalefac = b->radius;
+   copyvector(&tman->color,&b->color);
+   explosion = 1.0f + tman->explosion * 2.0 * rnd();
+
+   tman->num_tri = ind_num/3;
+   
+   /* reserveer geheugen voor de poly's in een bal */
+   
+   tman->tris = (tri *)malloc(tman->num_tri * sizeof(tri));
+   tman->vertices = (vectorf *)malloc(ind_num * sizeof(vectorf));
+   tman->normals = (vectorf *)malloc(ind_num/3 * sizeof(vectorf));
+   
+   for (i=0; i<(tman->num_tri); i++) {
+      tman->tris[i].far = FALSE;
+      pos = i * 3;
+      /* kopieer elke poly apart naar een tri structure */
+      copyvector(&tman->vertices[pos+0],&spherev[spherei[pos+0]]);
+      copyvector(&tman->vertices[pos+1],&spherev[spherei[pos+1]]);
+      copyvector(&tman->vertices[pos+2],&spherev[spherei[pos+2]]);
+      /* Calculate average direction of shrapnel */
+      addvectors(&avgdir,&tman->vertices[pos+0],&tman->vertices[pos+1]);
+      addvectors(&avgdir,&avgdir,&tman->vertices[pos+2]);
+      scalevector(&avgdir,&avgdir,0.33333);
+      
+      /* should normalize first, NYI */
+      copyvector(&tman->normals[i],&avgdir);
+     
+      /* copy de lokatie */
+      addvectors(&tman->tris[i].loc,&b->loc,&avgdir);
+      /* en translate alle triangles terug naar hun eigen oorsprong */
+      tman->vertices[pos+0].x -= avgdir.x;
+      tman->vertices[pos+0].y -= avgdir.y;
+      tman->vertices[pos+0].z -= avgdir.z;
+      tman->vertices[pos+1].x -= avgdir.x;
+      tman->vertices[pos+1].y -= avgdir.y;
+      tman->vertices[pos+1].z -= avgdir.z;
+      tman->vertices[pos+2].x -= avgdir.x;
+      tman->vertices[pos+2].y -= avgdir.y;
+      tman->vertices[pos+2].z -= avgdir.z;
+      /* alwaar opschaling plaatsvindt */
+      scale = b->radius * 2;
+      scalevector(&tman->vertices[pos+0],&tman->vertices[pos+0],scale);
+      scalevector(&tman->vertices[pos+1],&tman->vertices[pos+1],scale);
+      scalevector(&tman->vertices[pos+2],&tman->vertices[pos+2],scale);
+            
+      /* bereken nieuwe richting */
+      scalevector(&tman->tris[i].dir,&avgdir,explosion);
+      dvect.x = 0.1f - 0.2f*rnd();
+      dvect.y = 0.15f - 0.3f*rnd();
+      dvect.z = 0.1f - 0.2f*rnd(); 
+      addvectors(&tman->tris[i].dir,&tman->tris[i].dir,&dvect);
+   }
+}
+
+
+/*
+* update position of each tri
+*/
+
+void updatetris(triman *t) {
+   int b;
+
+   for (b=0;b<t->num_tri;b++) {
+      /* apply gravity */
+      t->tris[b].dir.y -= 0.1f;
+      /* apply movement */
+      addvectors(&t->tris[b].loc,&t->tris[b].loc,&t->tris[b].dir);
+      /* boundary check */
+      if (t->tris[b].far) continue;
+      if (t->tris[b].loc.y < 0) { /* onder bodem ? */
+        if ((t->tris[b].loc.x > -100.0f) &
+            (t->tris[b].loc.x < 100.0f) &
+            (t->tris[b].loc.z > -100.0f) &
+            (t->tris[b].loc.z < 100.0f)) {  /* in veld  */
+           t->tris[b].dir.y = -(t->tris[b].dir.y);
+           t->tris[b].loc.y = -t->tris[b].loc.y;
+           scalevector(&t->tris[b].dir,&t->tris[b].dir,0.75f); /* dampening */
+        }
+        else {
+           t->tris[b].far = TRUE;
+           continue;
+        }
+      }
+      
+      /* this should be replaced with code that determines 
+       * the correct wall the tri bounces in to. this code sucks.
+       */
+       if ((t->tris[b].loc.x > -21.0f) &
+         (t->tris[b].loc.x < 21.0f) &
+         (t->tris[b].loc.z > -21.0f) &
+         (t->tris[b].loc.z < 21.0f)) { /* in box? */
+        if ((t->tris[b].loc.x > -21.0f) &
+            (t->tris[b].loc.x < 0)) {
+           t->tris[b].loc.x = -21.0f;
+           t->tris[b].dir.x = -t->tris[b].dir.x;
+        }
+        if ((t->tris[b].loc.x < 21.0f) &
+            (t->tris[b].loc.x > 0)) {
+           t->tris[b].loc.x = 21.0f;
+           t->tris[b].dir.x = -t->tris[b].dir.x;
+        }
+        if ((t->tris[b].loc.z > -21.0f) &
+            (t->tris[b].loc.z < 0)) {
+           t->tris[b].loc.z = -21.0f;
+           t->tris[b].dir.z = -t->tris[b].dir.z;
+        }
+        if ((t->tris[b].loc.z < 21.0f) &
+            (t->tris[b].loc.z > 0)) {
+           t->tris[b].loc.z = 21.0f;
+           t->tris[b].dir.z = -t->tris[b].dir.z;
+        }
+      }
+   } /* end for b */
+} 
+
+            
+/*
+ * free memory allocated by a tri manager
+ */
+void freetris(triman *t) {
+   if (!t) return;
+   if (t->tris) free(t->tris);
+   if (t->vertices) free(t->vertices);
+   if (t->normals) free(t->normals);
+   t->tris = NULL;
+   t->vertices = NULL;
+   t->normals = NULL;
+   t->num_tri = 0;
+   t->lifetime = 0;
+}
+
+
+/*
+ *load defaults in config structure
+ */
+void setdefaultconfig(boxed_config *config) {
+  config->numballs = NUMBALLS;
+  config->textures = TRUE;
+  config->transparent = FALSE;
+  config->explosion = 25.0f;
+  config->ballsize = BALLSIZE;
+  config->camspeed = 35.0f;
+}
+
+
+/*
+ * draw bottom
+ */ 
+static void drawfilledbox(boxedstruct *boxed)
+{   
+   /* draws texture filled box, 
+      top is drawn using the entire texture, 
+      the sides are drawn using the edge of the texture
+    */
+   
+   /* front */
+   glBegin(GL_QUADS);
+   glTexCoord2f(0,1);
+   glVertex3f(-1.0,1.0,1.0);
+   glTexCoord2f(1,1);
+   glVertex3f(1.0,1.0,1.0);
+   glTexCoord2f(1,1);
+   glVertex3f(1.0,-1.0,1.0);
+   glTexCoord2f(0,1);
+   glVertex3f(-1.0,-1.0,1.0);
+   /* rear */
+   glTexCoord2f(0,1);
+   glVertex3f(1.0,1.0,-1.0);
+   glTexCoord2f(1,1);
+   glVertex3f(-1.0,1.0,-1.0);
+   glTexCoord2f(1,1);
+   glVertex3f(-1.0,-1.0,-1.0);
+   glTexCoord2f(0,1);
+   glVertex3f(1.0,-1.0,-1.0);
+   /* left */
+   glTexCoord2f(1,1);
+   glVertex3f(-1.0,1.0,1.0);
+   glTexCoord2f(1,1);
+   glVertex3f(-1.0,-1.0,1.0);
+   glTexCoord2f(0,1);
+   glVertex3f(-1.0,-1.0,-1.0);
+   glTexCoord2f(0,1);
+   glVertex3f(-1.0,1.0,-1.0);
+   /* right */
+   glTexCoord2f(0,1);
+   glVertex3f(1.0,1.0,1.0);
+   glTexCoord2f(1,1);
+   glVertex3f(1.0,1.0,-1.0);
+   glTexCoord2f(1,1);
+   glVertex3f(1.0,-1.0,-1.0);
+   glTexCoord2f(0,1);
+   glVertex3f(1.0,-1.0,1.0);
+   /* top */
+   glTexCoord2f(0.0,0.0);
+   glVertex3f(-1.0,1.0,1.0);
+   glTexCoord2f(0.0,1.0);
+   glVertex3f(-1.0,1.0,-1.0);
+   glTexCoord2f(1.0,1.0);
+   glVertex3f(1.0,1.0,-1.0);
+   glTexCoord2f(1.0,0.0);
+   glVertex3f(1.0,1.0,1.0);
+   /* bottom */
+   glTexCoord2f(0,0);
+   glVertex3f(-1.0,-1.0,1.0);
+   glTexCoord2f(0,1);
+   glVertex3f(-1.0,-1.0,-1.0);
+   glTexCoord2f(1,1);
+   glVertex3f(1.0,-1.0,-1.0);
+   glTexCoord2f(1,0);
+   glVertex3f(1.0,-1.0,1.0);
+   glEnd();
+}
+
+
+/*
+ * Draw a box made of lines
+ */ 
+static void drawbox(boxedstruct *boxed)
+{
+   /* top */
+   glBegin(GL_LINE_STRIP);
+   glVertex3f(-1.0,1.0,1.0);
+   glVertex3f(-1.0,1.0,-1.0);
+   glVertex3f(1.0,1.0,-1.0);
+   glVertex3f(1.0,1.0,1.0);
+   glVertex3f(-1.0,1.0,1.0);
+   glEnd();
+   /* bottom */
+   glBegin(GL_LINE_STRIP);
+   glVertex3f(-1.0,-1.0,1.0);
+   glVertex3f(1.0,-1.0,1.0);
+   glVertex3f(1.0,-1.0,-1.0);
+   glVertex3f(-1.0,-1.0,-1.0);
+   glVertex3f(-1.0,-1.0,1.0);
+   glEnd();
+   /* connect top & bottom */
+   glBegin(GL_LINES);
+   glVertex3f(-1.0,1.0,1.0);
+   glVertex3f(-1.0,-1.0,1.0);
+   glVertex3f(1.0,1.0,1.0);
+   glVertex3f(1.0,-1.0,1.0);
+   glVertex3f(1.0,1.0,-1.0);
+   glVertex3f(1.0,-1.0,-1.0);
+   glVertex3f(-1.0,1.0,-1.0);
+   glVertex3f(-1.0,-1.0,-1.0);
+   glEnd();
+}
+
+
+  
+/* 
+ * Draw ball
+ */
+static void drawball(boxedstruct *gp, ball *b)
+{
+   int i,pos,cnt;
+   GLint *spherei = gp->spherei;
+   vectorf *spherev = gp->spherev;
+   GLfloat col[3];
+   
+   glPushMatrix();
+   
+   glTranslatef(b->loc.x,b->loc.y,b->loc.z);
+   glScalef(b->radius,b->radius,b->radius);
+   glColor3f(b->color.x,b->color.y,b->color.z);
+   col[0] = b->color.x;
+   col[1] = b->color.y;
+   col[2] = b->color.z;
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, col);
+   col[0] *= 0.5;
+   col[1] *= 0.5;
+   col[2] *= 0.5;
+   glMaterialfv(GL_FRONT, GL_EMISSION,col);
+
+   if (!gp->gllists[GLL_BALL]) {
+      glNewList(gp->listobjects + GLL_BALL,GL_COMPILE_AND_EXECUTE);
+      cnt = SPHERE_INDICES/3;
+      for (i=0; i<cnt; i++) {
+        pos = i * 3;
+        glBegin(GL_TRIANGLES);
+        glNormal3f(spherev[spherei[pos+0]].x,spherev[spherei[pos+0]].y,spherev[spherei[pos+0]].z);
+        glVertex3f(spherev[spherei[pos+0]].x,spherev[spherei[pos+0]].y,spherev[spherei[pos+0]].z);
+        glNormal3f(spherev[spherei[pos+1]].x,spherev[spherei[pos+1]].y,spherev[spherei[pos+1]].z);
+        glVertex3f(spherev[spherei[pos+1]].x,spherev[spherei[pos+1]].y,spherev[spherei[pos+1]].z);
+        glNormal3f(spherev[spherei[pos+2]].x,spherev[spherei[pos+2]].y,spherev[spherei[pos+2]].z);
+        glVertex3f(spherev[spherei[pos+2]].x,spherev[spherei[pos+2]].y,spherev[spherei[pos+2]].z);
+        glEnd();
+      }
+      glEndList();
+      gp->gllists[GLL_BALL] = 1;
+   } else {
+      glCallList(gp->listobjects + GLL_BALL);
+   }
+   
+   glPopMatrix();
+}
+
+    
+/* 
+ * Draw all triangles in triman
+ */
+static void drawtriman(triman *t) 
+{
+   int i,pos;
+   vectorf *spherev = t->vertices;
+   GLfloat col[3];
+   
+   glPushMatrix();
+   glColor3f(t->color.x,t->color.y,t->color.z);
+   col[0] = t->color.x;
+   col[1] = t->color.y;
+   col[2] = t->color.z;
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, col);
+   col[0] *= 0.3;
+   col[1] *= 0.3;
+   col[2] *= 0.3;
+   glMaterialfv(GL_FRONT, GL_EMISSION,col);
+   
+   for (i=0; i<t->num_tri; i++) {
+      pos = i*3;
+      glPushMatrix();
+      glTranslatef(t->tris[i].loc.x,t->tris[i].loc.y,t->tris[i].loc.z);
+      glBegin(GL_TRIANGLES);
+      glNormal3f(t->normals[i].x,t->normals[i].y,t->normals[i].z);
+      glVertex3f(spherev[pos+0].x,spherev[pos+0].y,spherev[pos+0].z);
+      glVertex3f(spherev[pos+1].x,spherev[pos+1].y,spherev[pos+1].z);
+      glVertex3f(spherev[pos+2].x,spherev[pos+2].y,spherev[pos+2].z);
+      glEnd();
+      glPopMatrix();
+   }   
+   glPopMatrix();   
+}
+      
+/* 
+ * draw floor pattern
+ */   
+static void drawpattern(boxedstruct *boxed)
+{
+   if (!boxed->gllists[GLL_PATTERN]) {
+      glNewList(boxed->listobjects + GLL_PATTERN,GL_COMPILE_AND_EXECUTE);
+      
+      glBegin(GL_LINE_STRIP);
+      glVertex3f(-25.0f, 0.0f, 35.0f);
+      glVertex3f(-15.0f, 0.0f, 35.0f);
+      glVertex3f(-5.0f, 0.0f, 25.0f);
+      glVertex3f(5.0f, 0.0f, 25.0f);
+      glVertex3f(15.0f, 0.0f, 35.0f);
+      glVertex3f(25.0f, 0.0f, 35.0f);
+      glVertex3f(35.0f, 0.0f, 25.0f);
+      glVertex3f(35.0f, 0.0f, 15.0f);
+      glVertex3f(25.0f, 0.0f, 5.0f);
+      glVertex3f(25.0f, 0.0f, -5.0f);
+      glVertex3f(35.0f, 0.0f, -15.0f);
+      glVertex3f(35.0f, 0.0f, -25.0f);
+      glVertex3f(25.0f, 0.0f, -35.0f);
+      glVertex3f(15.0f, 0.0f,-35.0f);
+      glVertex3f(5.0f, 0.0f, -25.0f);
+      glVertex3f(-5.0f, 0.0f, -25.0f);
+      glVertex3f(-15.0f, 0.0f,-35.0f);
+      glVertex3f(-25.0f, 0.0f,-35.0f);
+      glVertex3f(-35.0f, 0.0f, -25.0f);
+      glVertex3f(-35.0f, 0.0f, -15.0f);
+      glVertex3f(-25.0f, 0.0f, -5.0f);
+      glVertex3f(-25.0f, 0.0f, 5.0f);
+      glVertex3f(-35.0f, 0.0f, 15.0f);
+      glVertex3f(-35.0f, 0.0f, 25.0f);
+      glVertex3f(-25.0f, 0.0f, 35.0f);
+      glEnd();
+      
+      glBegin(GL_LINE_STRIP);
+      glVertex3f(-5.0f, 0.0f, 15.0f);
+      glVertex3f(5.0f, 0.0f, 15.0f);
+      glVertex3f(15.0f, 0.0f, 5.0f);
+      glVertex3f(15.0f, 0.0f, -5.0f);
+      glVertex3f(5.0f, 0.0f, -15.0f);
+      glVertex3f(-5.0f, 0.0f, -15.0f);
+      glVertex3f(-15.0f, 0.0f, -5.0f);
+      glVertex3f(-15.0f, 0.0f, 5.0f);
+      glVertex3f(-5.0f, 0.0f, 15.0f);
+      glEnd();
+      glEndList();
+      boxed->gllists[GLL_PATTERN] = 1;
+   } else {
+      glCallList(boxed->listobjects + GLL_PATTERN);
+   }   
+}
+      
+      
+/*
+ * main rendering loop
+ */
+static void draw(ModeInfo * mi)
+{
+   boxedstruct *gp = &boxed[MI_SCREEN(mi)];
+   vectorf v1;
+   GLfloat dcam;
+   int dx, dz;
+   int i;   
+   
+   GLfloat dgray[4] = {0.3f, 0.3f, 0.3f, 1.0f};
+   GLfloat black[4] = {0.0f, 0.0f, 0.0f, 1.0f};
+   GLfloat lblue[4] = {0.4f,0.6f,1.0f };
+   
+   GLfloat l0_ambient[] =    {0.0, 0.0, 0.0, 1.0};
+   GLfloat l0_specular[] =    {1.0, 1.0, 1.0, 1.0};
+   GLfloat l0_diffuse[] =    {1.0, 1.0, 1.0, 1.0};
+   GLfloat l0_position[] =  {0.0, 0.0, 0.0, 1.0}; /* w != 0 -> positional light */
+   GLfloat l1_ambient[] =    {0.0, 0.0, 0.0, 1.0};
+   GLfloat l1_specular[] =    {1.0, 1.0, 1.0, 1.0};
+   GLfloat l1_diffuse[] =    {0.5, 0.5, 0.5, 1.0};
+   GLfloat l1_position[] =  {0.0, 1.0, 0.0, 0.0}; /* w = 0 -> directional light */
+   
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glLoadIdentity();
+   
+   gp->tic += 0.01f;
+
+   /* rotate camera around (0,0,0), looking at (0,0,0), up is (0,1,0) */
+   dcam = CAMDISTANCE_MIN + (CAMDISTANCE_MAX - CAMDISTANCE_MIN) + (CAMDISTANCE_MAX - CAMDISTANCE_MIN)*cos(gp->tic/CAMDISTANCE_SPEED);
+   v1.x = dcam * sin(gp->tic/gp->cam_x_speed);
+   v1.z = dcam * cos(gp->tic/gp->cam_z_speed);
+   v1.y = CAM_HEIGHT * sin(gp->tic/gp->cam_y_speed) + 1.02 * CAM_HEIGHT;
+   gluLookAt(v1.x,v1.y,v1.z,0.0,0.0,0.0,0.0,1.0,0.0); 
+
+   glLightfv(GL_LIGHT0, GL_AMBIENT, l0_ambient); 
+   glLightfv(GL_LIGHT0, GL_DIFFUSE, l0_diffuse); 
+   glLightfv(GL_LIGHT0, GL_SPECULAR, l0_specular); 
+   glLightfv(GL_LIGHT0, GL_POSITION, l0_position);
+   glLightfv(GL_LIGHT1, GL_AMBIENT, l1_ambient); 
+   glLightfv(GL_LIGHT1, GL_DIFFUSE, l1_diffuse); 
+   glLightfv(GL_LIGHT1, GL_SPECULAR, l1_specular); 
+   glLightfv(GL_LIGHT1, GL_POSITION, l1_position);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_LIGHT1);
+   
+   glFrontFace(GL_CW);
+   
+   glMaterialfv(GL_FRONT, GL_SPECULAR, black);
+   glMaterialfv(GL_FRONT, GL_EMISSION, lblue);
+   glMaterialfv(GL_FRONT,GL_AMBIENT,black);
+   glMaterialf(GL_FRONT, GL_SHININESS, 5.0);
+   
+   
+   /* draw ground grid */
+   /* glDisable(GL_DEPTH_TEST); */
+   glDisable(GL_LIGHTING);
+   
+   glColor3f(0.1,0.1,0.6);
+   for (dx= -2; dx<3; dx++) {
+      for (dz= -2; dz<3; dz++) {
+        glPushMatrix();
+        glTranslatef(dx*30.0f, 0.0f, dz*30.0f);
+        drawpattern(gp);
+        glPopMatrix();
+      }   
+   }
+   
+   /* Set drawing mode for the boxes */
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_TEXTURE_2D);
+   glPushMatrix();
+   glColor3f(1.0,1.0,1.0);
+   glScalef(20.0,0.25,20.0);
+   glTranslatef(0.0,2.0,0.0);
+   drawfilledbox(gp);
+   glPopMatrix();
+   glDisable(GL_TEXTURE_2D);
+
+   glPushMatrix();
+   glColor3f(0.2,0.5,0.2);
+   glScalef(20.0,20.0,0.25);
+   glTranslatef(0.0,1.0,81.0);
+   drawbox(gp);
+   glPopMatrix();
+
+   glPushMatrix();
+   glColor3f(0.2,0.5,0.2);
+   glScalef(20.0,20.0,0.25);
+   glTranslatef(0.0,1.0,-81.0);
+   drawbox(gp);
+   glPopMatrix();
+
+   glPushMatrix();
+   glColor3f(0.2,0.5,0.2);
+   glScalef(.25,20.0,20.0);
+   glTranslatef(-81.0,1.0,0.0);
+   drawbox(gp);
+   glPopMatrix();
+
+   glPushMatrix();
+   glColor3f(0.2,0.5,0.2);
+   glScalef(.25,20.0,20.0);
+   glTranslatef(81.0,1.0,0.0);
+   drawbox(gp);
+   glPopMatrix();
+
+   glEnable(GL_LIGHTING);
+   
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, dgray);
+   glMaterialfv(GL_FRONT, GL_EMISSION, black); /* turn it off before painting the balls */
+
+   /* move the balls and shrapnel */
+   updateballs(&gp->bman);
+
+   glFrontFace(GL_CCW);
+   for (i=0;i<gp->bman.num_balls;i++) {
+      if (gp->bman.balls[i].justcreated) {
+        gp->bman.balls[i].justcreated = FALSE;
+        freetris(&gp->tman[i]);
+      }
+      if ((gp->bman.balls[i].bounced) & (gp->tman[i].vertices == NULL)) {
+        createtrisfromball(&gp->tman[i],gp->spherev,gp->spherei,SPHERE_INDICES,&gp->bman.balls[i]);
+      }
+      if (gp->bman.balls[i].bounced) {
+        updatetris(&gp->tman[i]);
+        glDisable(GL_CULL_FACE);
+        drawtriman(&gp->tman[i]);
+        glEnable(GL_CULL_FACE);
+      } else {
+        drawball(gp, &gp->bman.balls[i]);
+      }
+   }
+      
+   glFlush();
+}
+
+
+
+/* 
+ * new window size or exposure 
+ */
+void reshape_boxed(ModeInfo *mi, int width, int height)
+{
+   GLfloat     h = (GLfloat) height / (GLfloat) width;
+   
+   glViewport(0, 0, (GLint) width, (GLint) height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(50.0,1/h,2.0,1000.0);
+   glMatrixMode (GL_MODELVIEW);
+   
+   glLineWidth(1);
+   glPointSize(1);   
+}
+
+
+static void
+pinit(ModeInfo * mi)
+{
+   boxedstruct *gp = &boxed[MI_SCREEN(mi)];
+   ballman *bman;
+   int i,texpixels;
+   char *texpixeldata;
+   char *texpixeltarget;
+
+   glShadeModel(GL_SMOOTH);
+   glClearDepth(1.0);
+   glClearColor(0.0,0.05,0.1,0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   
+   /* Load configuration */
+   setdefaultconfig(&gp->config);
+   
+   bman = &gp->bman;
+   
+   bman->balls = (ball *)malloc(gp->config.numballs * sizeof(ball));
+   bman->num_balls = gp->config.numballs;
+   bman->ballsize = gp->config.ballsize;
+   bman->explosion = gp->config.explosion;
+   
+   gp->tman = (triman *)malloc(bman->num_balls * sizeof(triman));
+   memset(gp->tman,0,bman->num_balls * sizeof(triman));
+   
+   for(i=0;i<bman->num_balls;i++) {
+      gp->tman[i].explosion = (float) (((int)gp->config.explosion) / 15.0f );
+      gp->tman[i].vertices = NULL;
+      gp->tman[i].normals = NULL;
+      gp->tman[i].tris = NULL;
+      createball(&bman->balls[i]);
+      bman->balls[i].loc.y *= rnd();
+   }
+
+   generatesphere();
+   
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+
+   /* define cam path */
+   gp->cam_x_speed = 1.0f/((float)gp->config.camspeed/50.0 + rnd()*((float)gp->config.camspeed/50.0));
+   gp->cam_z_speed = 1.0f/((float)gp->config.camspeed/50.0 + rnd()*((float)gp->config.camspeed/50.0));
+   gp->cam_y_speed = 1.0f/((float)gp->config.camspeed/250.0 + rnd()*((float)gp->config.camspeed/250.0));
+   if (rnd() < 0.5f) gp->cam_x_speed = -gp->cam_x_speed;
+   if (rnd() < 0.5f) gp->cam_z_speed = -gp->cam_z_speed;
+   
+   
+   gp->tex1 = (char *)malloc(3*width*height*sizeof(GLuint));
+   texpixels = 256*256; /*width*height;*/
+   texpixeldata = header_data;
+   texpixeltarget = gp->tex1;
+   for (i=0; i < texpixels; i++) {
+       HEADER_PIXEL(texpixeldata,texpixeltarget);
+       texpixeltarget += 3;
+   }
+   
+   
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 256, 256,
+                    GL_RGB, GL_UNSIGNED_BYTE, gp->tex1);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   
+}
+
+ 
+
+void
+init_boxed(ModeInfo * mi)
+{
+   int screen = MI_SCREEN(mi);
+   
+   /* Colormap    cmap; */
+   /* Boolean     rgba, doublebuffer, cmap_installed; */
+   boxedstruct *gp;
+
+   if (boxed == NULL) {
+      if ((boxed = (boxedstruct *) calloc(MI_NUM_SCREENS(mi),sizeof (boxedstruct))) == NULL) return;
+   }
+   gp = &boxed[screen];
+   gp->window = MI_WINDOW(mi);
+   
+   if ((gp->glx_context = init_GL(mi)) != NULL) {
+      reshape_boxed(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+      glDrawBuffer(GL_BACK);
+      if (!glIsList(gp->listobjects))  {
+        gp->listobjects = glGenLists(3);
+        gp->gllists[0] = 0;
+        gp->gllists[1] = 0;
+        gp->gllists[2] = 0;
+      }
+      pinit(mi);
+   } else {
+      MI_CLEARWINDOW(mi);
+   }
+}
+
+
+void
+draw_boxed(ModeInfo * mi)
+{
+   boxedstruct *gp = &boxed[MI_SCREEN(mi)];
+   Display    *display = MI_DISPLAY(mi);
+   Window      window = MI_WINDOW(mi);
+   
+   if (!gp->glx_context)
+     return;
+   
+   glDrawBuffer(GL_BACK);
+   
+   glXMakeCurrent(display, window, *(gp->glx_context));
+   draw(mi);
+   
+   if (mi->fps_p) do_fps (mi);
+   glFinish();
+   glXSwapBuffers(display, window);
+}
+
+void
+release_boxed(ModeInfo * mi)
+{
+   if (boxed != NULL) {
+      int screen;
+      
+      for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
+        boxedstruct *gp = &boxed[screen];
+        
+        if (gp->glx_context) {
+           /* Display lists MUST be freed while their glXContext is current. */
+           glXMakeCurrent(MI_DISPLAY(mi), gp->window, *(gp->glx_context));
+           
+           /*if (glIsList(gp->gear1))
+             glDeleteLists(gp->gear1, 1);
+           if (glIsList(gp->gear2))
+             glDeleteLists(gp->gear2, 1);
+           if (glIsList(gp->gear3))
+             glDeleteLists(gp->gear3, 1);
+           if (glIsList(gp->gear_inner))
+             glDeleteLists(gp->gear_inner, 1);
+           if (glIsList(gp->gear_outer))
+             glDeleteLists(gp->gear_outer, 1);
+            */
+           
+           /* TODO 
+            * free all trimans
+            * free all balls
+            * free all sphere indices & vertices
+            */
+           
+        }
+      }
+      (void) free((void *) boxed);
+      boxed = NULL;
+   }
+   FreeAllGL(mi);
+}
+
+
+/*********************************************************/
+
+#endif
diff --git a/hacks/glx/boxed.h b/hacks/glx/boxed.h

new file mode 100644 (file)

index 0000000..cab42a2
--- /dev/null
+++ b/hacks/glx/boxed.h
@@ -0,0 +1,4111 @@
+/*  GIMP header image file format (RGB-only): /home/shag/build/xscreensaver-3.33/hacks/glx/thebox.h  */
+
+static unsigned int width = 256;
+static unsigned int height = 256;
+
+/*  Call this macro repeatedly.  After each use, the pixel data can be extracted  */
+
+#define HEADER_PIXEL(data,pixel) \
+  pixel[0] = (((data[0] - 33) << 2) | ((data[1] - 33) >> 4)); \
+  pixel[1] = ((((data[1] - 33) & 0xF) << 4) | ((data[2] - 33) >> 2)); \
+  pixel[2] = ((((data[2] - 33) & 0x3) << 6) | ((data[3] - 33))); \
+  data += 4;
+
+static char *header_data =
+       "!FY'\"&Q#!&M!!VM-!6Y(!&M##6Q&\"69%\"FU'!FE!!VM$!VI$!&M!!FM#!VU&!'!!"
+       "\"&M%#&M!\"6Q$\"')#!FY#\"FY%\"6Y\"\"&Y#\"6]$\"&U!\"G%!\"7%&!G)!!'-!!')!\"'=!"
+       "!G!##G5\"\"75$\"W9#!G5#!G9!!WA$#'=\"!GE#\"'A%#GI$!GI!#'A!!'E##GQ&%7Q#"
+       "#WU%#W=%\"W]#\"GY\"%WQ)%7Y\"\"H-!\"W]&\"8!$%8%#$8-&\"8%!#81%$85)#H!##H-&"
+       "$H1(#H)#\"X5#$XA%\"X9##H9#\"89#\"89!\"HA\"\"8A!\"8A!\"X=#$8E&#(I!\"8I&$HM!"
+       "#8I%\"8M!!HM#!HM!!HU!$(M($8Q)!H])!XQ!\"8Y!$(]'$(Y'$8Q(\"XY%#XQ#\"I!$"
+       "\"XY\"#Y)##)%#%(]%$Y!!#I%\"\")!%#Y!$#9%!#8]!#I%\"$)%$%HY%#HU\"$91($9-("
+       "$))$#95!%8]&!9-\"$X](\")!#!)%!%)-\"#9-$#)-&#I5\"$Y%!#)-)\"I-!#91!\"Y-\""
+       "\"(]\"$I-'#IA\"\"I-!#Y-&#)-##Y-##)1#!I-##)-#\"H]!#)5#\"Y-\"!)-!\"Y!&$)-!"
+       "#)1#\"Y%##(]!$9-)\"I)!#)1#$Y%'\"XY\"\"91#!)1!#I)\"$)%%%(]&#HY\"#(]!#I)\""
+       "&8]%!(]!\"Y!##H]%#X]!#)%##(Y&\"I)!$X]!#Y!#\"(Y\"\"HY!#Y%'\"8Y!%(]+#XQ&"
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+       "\"FM%\"FM'!6M&\"&I%!FM#\"VU&!FQ)\"FU%!FU#\"6U$\"&Q!\"'!\"#&]'!G!%\"'%\"#79!"
+       "!G)!!G-%#G1)!G)!#79'\"71$#79%\"'I#\"WE!#W5'\"WE&\"'E\"#'Q$\"7M!\"GM'\"7Q$"
+       "#'U$$8))!GI#\"WM#\"GY\"\"H%!!GY!$H!(%(5'\"8%!\"H)\"\"(%'#8-%$81&#H1##H5&"
+       "$(1#\"H9'$H9!#8=%\"X=%#H9&$H1'#(I!\"(I\"#(I!#XY#\"8M##HQ%#8U$\"8U!#(U#"
+       "#(I#\"HY$\"HQ!\"HY!#(]!\"I!\"\"Y%&\"8U!&)5&#9-!$I%'$Y%$#))##)1#\"I1!$)5!"
+       "\"I1!#)5##)1##)A#\"Y5\"\"I9$$I-'&)90#)-##)1##9I#!YA!\"Y1\"#IE!$)9$\"9A#"
+       "#Y=#&)I,#9U!$)E!\"IM$\"II!%9A)#)A#$)M$&9I'$)E!#YM\"%)M$%IQ#$IU%#YQ#"
+       "#YQ\"!)A!$)A$$9Q!\"Z%!%)U($)U#\"IU!#IY!$Y]#$)]##)M##9I!\")U\"$9U$#YM#"
+       "%)U$%)Y'#)M#\")U\"$Y]'$)U#%IU'$9U$$I])%9U\"#9M!$9Q!$)]##)Q#%YU#$)U#"
+       "$*!&\"YU\"$9Y$$9Q%$IM&#YQ\"#IU!$YQ#$YM&$)M##9A!$9Q!%9Q%&)M)#9A!%)I!"
+       "$9Y!&IM$#)M#$9M!$9I$#)M#$)E$#91!#YA\"#IA!\"Y-\"\"9=##)5#\")5\"#)5#\"I9!"
+       "#)E#%9=-#I9\"#I=%#)I#\"Y9\"$I)*#I-%#Y1##Y-&\"Y-\"$Y!.#HY\"#91!$X]!#I!\""
+       "#9!!#8Q$#(]#$8]%#8]!$8M#\"8U&!)!$!HI!#HQ%#(M#\"XI\"!HA!\"XE#\"XE#$8E\""
+       "#8A$%8A$\"81!\"8=!#H9&#X9$\"(5\"#85%\"(5#\"(1\"\"X-#\"X1%$X)##(%$\"8!$\"G]$"
+       "\"(!#\"7]!\"WY#\"W]##(!$!GI%$GQ*\"'I\"#GM&$7A%#WE\"\"G=#\"7M)\"'A#!'A#\"'=#"
+       "\"G1-\"W=&!G=%\"'1\"!W1\"!')#\"G1$\"G%!\"7%!!FY#!W!\"#&]%!V]\"\"F]%\"&U#!'!!"
+       "!6]\"#&M$!6Y\"!6I\"\"6M$\"&M#\"&M#\"6U$\"F]+!FY!!FY&#'!'!F]!#&U%\"'%#!'1#"
+       "!G)'\"G)$\"'1#\"G)#\"'9#\"'1#!G=!!79\"!G1#\"'E#\"'A#\"7I##7A'\"WI#$'I#!'I!"
+       "$'Q!!G=!#X%!\"GQ\"#WQ\"\"W]##'Y$!']$\"'Y%#X%$\"X)#\"8)&#X)'$(!(!(%$\"X%\""
+       "\"XE\"\"X5##(5#\"X9#\"X9##HA#\"XA#\"X5\"\"XE#\"(M%\"XE\"$HM'\"XM\"!HY!\"8M##HU\""
+       "#(M!#(M#!HU!#(]##I%\"\"(](\"9!##H]%#Y%$$)!$#I%#$)-!$9)\"#)%##))#\"95&"
+       "$9)(\"I9!\"Y9\"\"IM'\"I1!\"I5!\"I5!#)5##)1#\"I9!#Y9&\"I-!\"I=!#9A$\")=\"$IQ&"
+       "#YA##9I$$)9!$9E%#YI#$9=%#9M!$)E#$YM#$9A%&)M\"$9M$#)M#$)U#!II&$YQ#"
+       "$YQ'$YU'#99!$9M!#IU!$)U##)M#$9Q$#9Q$%IY'#9M!$)E##9Q!#)Q#$)]#%9M)"
+       "'*!&!YE!#Y]\"%)E(#9Q!$9Q!&YQ/%YQ'$9Q$%9U)#9U!%*!!$IQ\"$YU&$YQ#$9E!"
+       "$YE'!IY##IY!$9A%$YM&$9I(#9M!$I])$)I#&IM+#Y9#$YE&#9I!$II)$II%#9A!"
+       "\"YE%$9E%$9E(%9E)%YE$&)E,$9A'#9A!%)=(#Y=#%IM##)A#\"IE!'95(#I=%#Y=&"
+       "\"I5!$)5$!Y9$#91$#)1#%)1+!Y1$\"Y-\"#9%$\"I)$&(]$!9%($9%##I%#$I%'#(]!"
+       "!XM$#X]&\"XQ\"&8M\"!(U&#8U'$HU)#(M##(]#%(M&!XM'\"HA!#(M#!(Q!\"XQ\"\"8A!"
+       "\"HA$\"XE##89%#(5!#()$#(A#!H-%#(1#\"81!$(-#!X)!\"()#\"X%#!H%#$X!$!WM\""
+       "#8!$#8!'#'Y$#7Y#!'M#\"WI!#']$\"WM##'M$\"'E\"#7M#!'I&\"GE$\"G=%\"'=#\"G9$"
+       "\"W5##7!#\"'1#\"79\"!'-!!G%#\"7!$!G1!\"W1&\"&]\"!VU\"!7!\"!FU#\"&]#!FU!\"&Y#"
+       "\"FM'!FM#!6U'!FM#!FU#!FQ#\"FQ%\"VM#!&Q#!FU#\"6E$\"6U!!'%!\"')#\"&]\"#')\""
+       "#'%'\"W9%\"G)%!7-\"$7-(\"'1\"\"75#!W1$\"G='!G5#\"7Q!!GE!#7E(\"GE\"!GI!#GI&"
+       "!'Q&#GM$#'Q$$']%\"7Q!#7U#\"8!!#'Y$!H!#$(!+#()!#W]%%(!(#()&\"H)\"!H-#"
+       "\"X-\"\"X1\"\"H5%\"XE#\"X9##H-%\"X=\"#(E$#8M$#H1##8I$#H9\"\"XI\"\"XY\"#HU%#HM#"
+       "#XQ!$HU&\"XQ\"#Y!'\"HU!\"I5!#Y-#$)!'\"XY\"#9%$\"Y!#%Y!)%(](#8]$\"I)!\"I-!"
+       "$)-'#I!%#99!\"Y9\"#9-$#91!\"I1!\"I1!\"I5!%)9!\"I)!$YA!\"I=!$I9&#I=!#I=!"
+       "#9I$%)-+&95'#95!#9A!$9A%#9A!$II##9E!&)E,&YI)#Y9#$YE'$9I$$YQ##YM#"
+       "&)Y!$YI#$9Y$%)M!!II&$IM%$)U#%9U)$)U#%IQ&#9M#$:!!#)M#\"IM!#)I#!YM!"
+       "$)U##IQ\"'IE)%IU&#9I!$9Q$#)U##YY\"$II#%IM##)M\"$9M$&IM!#9M##IM\"#IM!"
+       "#9I!#YM##9U#%)M($YI'%YI$#YE%$)M$#YI##)I##9M!&)E%#9A!$II##Y=\"#IY!"
+       "$II##9I!%YE!%)E!\"Y9%$)5!$9=(\"Y1%\"Y9%\"9=#$)9!\"I9$\"95#\"I9!!)!!#99$"
+       "#(]##I9%\"9-#$Y!!!Y%!$9-\"$I-#\"Y-\"$8]%$Y!!#9!!#X]#$8Y\"#(U!$Y!$!HQ!"
+       "$HY*\"XY\"$8U\"%HU($XQ$#HQ)#(U##(I!#8A$!HI!\"XI\"\"XQ\"%(M\"#(M##HE&%89!"
+       "\"8A#$(9%\"X1##X5$#X1&#(1$!H=#\"X-##(-!!X9$\"8)!\"X%#\"8%!#H!!\"X%#\"H!!"
+       "\"GY\"\"WY##7M%!GE!#'M$\"X!#\"G=)\"'=\"\"GE\"!GE!\"7E##W5%$'E##'A)#G1)!G9!"
+       "#G9(\"W9#!W1$#W-&!G-!!VY\"\"'%#\"W1!\"W!$!FY!!F]!\"'!)\"FY##&U%\"6Q&#F9'"
+       "";
diff --git a/hacks/glx/extrusion.c b/hacks/glx/extrusion.c

index d1c8dbbb825e0838f56e219496615e3c53006f61..81cdeb918a8d22a0869b9f901159cf8d4bbb40d0 100644 (file)
--- a/hacks/glx/extrusion.c
+++ b/hacks/glx/extrusion.c
@@ -55,13 +55,6 @@
  
  #ifdef USE_GL /* whole file */
  
  
  #ifdef USE_GL /* whole file */
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-# ifndef PIXEL_ALREADY_TYPEDEFED
-# define PIXEL_ALREADY_TYPEDEFED /* Sigh, Xmu/Drawing.h needs this... */
-# endif
-#endif
-
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Drawing.h>
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Drawing.h>
@@ -70,7 +63,7 @@
  # endif /* VMS */
  #endif
  
  # endif /* VMS */
  #endif
  
-#include <malloc.h>
+#include <stdlib.h>
  #include <string.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <stdio.h>
  #include <stdlib.h>
diff --git a/hacks/glx/flipscreen3d.c b/hacks/glx/flipscreen3d.c

index c2bca2762f11c0e3e304c8b33785f41d61cbbd11..2134fbcfae256ebaba876c623352c86aa27aa864 100644 (file)
--- a/hacks/glx/flipscreen3d.c
+++ b/hacks/glx/flipscreen3d.c
@@ -28,6 +28,7 @@
  #define DEFAULTS       "*delay:       20000       \n" \
                          "*showFPS:       False       \n" \
                          "*rotate:       True       \n" \
  #define DEFAULTS       "*delay:       20000       \n" \
                          "*showFPS:       False       \n" \
                          "*rotate:       True       \n" \
+                       "*wireframe:    False   \n"     \
  
  # include "xlockmore.h"                         /* from the xscreensaver distribution */
  #else  /* !STANDALONE */
  
  # include "xlockmore.h"                         /* from the xscreensaver distribution */
  #else  /* !STANDALONE */
@@ -108,7 +109,7 @@ int fadetime = 0; /* fade before regrab */
  
  
  /* draw the texture mapped quad (actually two back to back)*/
  
  
  /* draw the texture mapped quad (actually two back to back)*/
-void showscreen(int frozen)
+void showscreen(int frozen, int wire)
  {
    static GLfloat r = 1, g = 1, b = 1, a = 1;
    GLfloat qxw, qyh;
  {
    static GLfloat r = 1, g = 1, b = 1, a = 1;
    GLfloat qxw, qyh;
@@ -159,12 +160,15 @@ void showscreen(int frozen)
  
    glColor4f(r, g, b, a);
  
  
    glColor4f(r, g, b, a);
  
-  glEnable(GL_TEXTURE_2D);
-  glEnable(GL_BLEND);
-  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-  glDepthMask(GL_FALSE);
+  if (!wire)
+    {
+      glEnable(GL_TEXTURE_2D);
+      glEnable(GL_BLEND);
+      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+      glDepthMask(GL_FALSE);
+    }
  
  
-  glBegin(GL_QUADS);
+  glBegin(wire ? GL_LINE_LOOP : GL_QUADS);
  
    glNormal3f(0, 0, 1);
  
  
    glNormal3f(0, 0, 1);
  
@@ -275,7 +279,7 @@ void drawgrid(void)
    glEnd();
  }
  
    glEnd();
  }
  
-void display(void)
+void display(int wire)
  {
    static GLfloat rx=1, ry=1, rz=0;
    static GLfloat rot = 0;
  {
    static GLfloat rx=1, ry=1, rz=0;
    static GLfloat rot = 0;
@@ -335,7 +339,7 @@ void display(void)
    odrot = drot;
    if (rot > 360 || rot < -360) /* dont overflow rotation! */
      rot -= rot;
    odrot = drot;
    if (rot > 360 || rot < -360) /* dont overflow rotation! */
      rot -= rot;
-  showscreen(frozen);
+  showscreen(frozen, wire);
    glPopMatrix();
    glFlush();
  }
    glPopMatrix();
    glFlush();
  }
@@ -354,6 +358,10 @@ void reshape_screenflip(ModeInfo *mi, int width, int height)
  void getSnapshot (ModeInfo *modeinfo)
  {
    XImage *ximage;
  void getSnapshot (ModeInfo *modeinfo)
  {
    XImage *ximage;
+  int status;
+
+  if (MI_IS_WIREFRAME(modeinfo))
+    return;
  
   ximage = screen_to_ximage (modeinfo->xgwa.screen, modeinfo->window);
  
  
   ximage = screen_to_ximage (modeinfo->xgwa.screen, modeinfo->window);
  
@@ -361,8 +369,10 @@ void getSnapshot (ModeInfo *modeinfo)
    tw = modeinfo->xgwa.width;
    th = modeinfo->xgwa.height;
  
    tw = modeinfo->xgwa.width;
    th = modeinfo->xgwa.height;
  
+#if 0  /* jwz: this makes the image start off the bottom right of the screen */
    qx += (qw*tw/winw);
    qy -= (qh*th/winh);
    qx += (qw*tw/winw);
    qy -= (qh*th/winh);
+#endif
  
    qw *= (GLfloat)tw/winw;
    qh *= (GLfloat)th/winh;
  
    qw *= (GLfloat)tw/winw;
    qh *= (GLfloat)th/winh;
@@ -374,12 +384,24 @@ void getSnapshot (ModeInfo *modeinfo)
   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
                    GL_LINEAR_MIPMAP_LINEAR);
   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
                    GL_LINEAR_MIPMAP_LINEAR);
- if (gluBuild2DMipmaps(GL_TEXTURE_2D, 3,
-                       ximage->width, ximage->height,
-                       GL_RGBA, GL_UNSIGNED_BYTE, ximage->data)) {
-    printf("Error!\n");
-    exit(1);
- }
+
+ clear_gl_error();
+ status = gluBuild2DMipmaps(GL_TEXTURE_2D, 3,
+                            ximage->width, ximage->height,
+                            GL_RGBA, GL_UNSIGNED_BYTE, ximage->data);
+ if (status)
+   {
+     const char *s = gluErrorString (status);
+     fprintf (stderr, "%s: error mipmapping %dx%d texture: %s\n",
+              progname, ximage->width, ximage->height,
+              (s ? s : "(unknown)"));
+     fprintf (stderr, "%s: turning on -wireframe.\n", progname);
+     MI_IS_WIREFRAME(modeinfo) = 1;
+     clear_gl_error();
+   }
+ check_gl_error("mipmapping");  /* should get a return code instead of a
+                                   GL error, but just in case... */
+
   free(ximage->data);
   ximage->data = 0;
   XDestroyImage (ximage);
   free(ximage->data);
   ximage->data = 0;
   XDestroyImage (ximage);
@@ -406,12 +428,16 @@ void init_screenflip(ModeInfo *mi)
   winh = MI_WIN_HEIGHT(mi);
   winw = MI_WIN_WIDTH(mi);
   glClearColor(0.0,0.0,0.0,0.0);
   winh = MI_WIN_HEIGHT(mi);
   winw = MI_WIN_WIDTH(mi);
   glClearColor(0.0,0.0,0.0,0.0);
- glShadeModel(GL_SMOOTH);
- glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
- glEnable(GL_DEPTH_TEST);
- glEnable(GL_CULL_FACE);
- glCullFace(GL_FRONT);
- glDisable(GL_LIGHTING);
+
+ if (! MI_IS_WIREFRAME(mi))
+   {
+     glShadeModel(GL_SMOOTH);
+     glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
+     glEnable(GL_DEPTH_TEST);
+     glEnable(GL_CULL_FACE);
+     glCullFace(GL_FRONT);
+     glDisable(GL_LIGHTING);
+   }
  
   getSnapshot(mi);
  }
  
   getSnapshot(mi);
  }
@@ -430,7 +456,7 @@ void draw_screenflip(ModeInfo *mi)
    if (regrab)
      getSnapshot(mi);
  
    if (regrab)
      getSnapshot(mi);
  
-  display();
+  display(MI_IS_WIREFRAME(mi));
  
    if(mi->fps_p) do_fps(mi);
    glFinish(); 
  
    if(mi->fps_p) do_fps(mi);
    glFinish(); 
diff --git a/hacks/glx/gflux.c b/hacks/glx/gflux.c

index 2e9f067037b0564e01beff16234688a488073f46..172f4061925ab86aa9c9b52e63d67502e0c9e1cd 100644 (file)
--- a/hacks/glx/gflux.c
+++ b/hacks/glx/gflux.c
@@ -76,13 +76,6 @@
  
  #ifdef USE_GL /* whole file */
  
  
  #ifdef USE_GL /* whole file */
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-# ifndef PIXEL_ALREADY_TYPEDEFED
-# define PIXEL_ALREADY_TYPEDEFED /* Sigh, Xmu/Drawing.h needs this... */
-# endif
-#endif
-
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Drawing.h>
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Drawing.h>
@@ -428,9 +421,11 @@ void initTexture(void)
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+    clear_gl_error();
         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, gflux->imageWidth,
                         gflux->imageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, *(gflux->image));
         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, gflux->imageWidth,
                         gflux->imageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, *(gflux->image));
-       
+    check_gl_error("texture");
  }
  
  #else /* HAVE_PPM FALSE */
  }
  
  #else /* HAVE_PPM FALSE */
diff --git a/hacks/glx/glforestfire.c b/hacks/glx/glforestfire.c

new file mode 100644 (file)

index 0000000..dee6a56
--- /dev/null
+++ b/hacks/glx/glforestfire.c
@@ -0,0 +1,1124 @@
+/* -*- Mode: C; tab-width: 4 -*- */
+/* fire --- 3D fire or rain landscape */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)fire.c       5.02 2001/09/26 xlockmore";
+#endif
+
+/* Copyright (c) E. Lassauge, 2001. */
+
+/*
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * The original code for this mode was written by David Bucciarelli 
+ * (tech.hmw@plus.it) and could be found in the demo package 
+ * of Mesa (Mesa-3.2/3Dfx/demos/). This mode is the result of the merge of
+ * two of the David's demos (fire and rain).
+ *
+ * Eric Lassauge  (October-10-2000) <lassauge@mail.dotcom.fr>
+ *                                 http://lassauge.free.fr/linux.html
+ *
+ * REVISION HISTORY:
+ *
+ * E.Lassauge - 26-Sep-2001:
+ *      - add wander option and code 
+ *      - cleanups for xscreensaver
+ *
+ * E.Lassauge - 09-Mar-2001:
+ *      - get rid of my framerate options to use showfps
+ *
+ * E.Lassauge - 12-Jan-2001:
+ *      - add rain particules, selected if count=0 (no fire means rain !)
+ *
+ * E.Lassauge - 28-Nov-2000:
+ *      - modified release part to add freeing of GL objects
+ *
+ * E.Lassauge - 14-Nov-2000:
+ *      - use new common xpm_to_ximage function
+ *
+ * E.Lassauge - 25-Oct-2000:
+ *     - add the trees (with a new resource '-trees')
+ *      - corrected handling of color (textured vs untextured)
+ *      - corrected handling of endiannes for the xpm files
+ *      - inverted ground pixmap file
+ *      - use malloc-ed tree array
+ *
+ * TSchmidt - 23-Oct-2000:
+ *     - added size option like used in sproingies mode
+ *
+ * E.Lassauge - 13-Oct-2000:
+ *     - when trackmouse and window is iconified (login screen): stop tracking
+ *     - add pure GLX handling of framerate display (erased GLUT stuff)
+ *     - made count a per screen variable and update it only if framemode
+ *     - changes for no_texture an wireframe modes
+ *     - change no_texture color for the ground
+ *     - add freeing of texture image
+ *     - misc comments and little tweakings
+ *
+ * TODO:
+ *      - perhaps use a user supplied xpm for ground image (or a whatever image
+ *        file using ImageMagick ?)
+ *     - random number of trees ? change trees at change_fire ?
+ *     - fix wireframe mode: it's too CPU intensive.
+ *     - look how we can get the Wheel events (Button4&5).
+ */
+
+
+#ifdef STANDALONE      /* xscreensaver mode */
+#define PROGCLASS      "Fire"
+#define HACK_INIT      init_fire
+#define HACK_DRAW      draw_fire
+#define HACK_RESHAPE   reshape_fire
+#define fire_opts      xlockmore_opts
+#define DEFAULTS "*delay:     10000 \n" \
+               "*count:        800 \n" \
+               "*size:           0 \n" \
+               "*trees:          5 \n" \
+               "*showFPS:    False \n" \
+               "*trackmouse: False \n" \
+               "*wander:      True \n" \
+               "*wireframe:  False \n" \
+               "*fog:        False \n" \
+               "*shadows:     True \n" \
+               "*texture:     True \n"
+
+#define MODE_fire
+#include "xlockmore.h"         /* from the xscreensaver distribution */
+#else                          /* !STANDALONE */
+#include "xlock.h"             /* from the xlockmore distribution */
+#include "visgl.h"
+#endif                         /* !STANDALONE */
+
+#ifdef MODE_fire
+
+#define MINSIZE 32
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <GL/glu.h>
+
+#if defined( USE_XPM ) || defined( USE_XPMINC ) || defined( HAVE_XPM )
+/* USE_XPM & USE_XPMINC in xlock mode ; HAVE_XPM in xscreensaver mode */
+#include "xpm-ximage.h"
+#define I_HAVE_XPM
+
+#ifdef STANDALONE
+#include "../images/ground.xpm"
+#include "../images/tree.xpm"
+#else /* !STANDALONE */
+#include "pixmaps/ground.xpm"
+#include "pixmaps/tree.xpm"
+#endif /* !STANDALONE */
+#endif /* HAVE_XPM */
+
+/* vector utility macros */
+#define vinit(a,i,j,k) {\
+  (a)[0]=i;\
+  (a)[1]=j;\
+  (a)[2]=k;\
+}
+
+#define vinit4(a,i,j,k,w) {\
+  (a)[0]=i;\
+  (a)[1]=j;\
+  (a)[2]=k;\
+  (a)[3]=w;\
+}
+
+#define vadds(a,dt,b) {\
+  (a)[0]+=(dt)*(b)[0];\
+  (a)[1]+=(dt)*(b)[1];\
+  (a)[2]+=(dt)*(b)[2];\
+}
+
+#define vequ(a,b) {\
+  (a)[0]=(b)[0];\
+  (a)[1]=(b)[1];\
+  (a)[2]=(b)[2];\
+}
+
+#define vinter(a,dt,b,c) {\
+  (a)[0]=(dt)*(b)[0]+(1.0-dt)*(c)[0];\
+  (a)[1]=(dt)*(b)[1]+(1.0-dt)*(c)[1];\
+  (a)[2]=(dt)*(b)[2]+(1.0-dt)*(c)[2];\
+}
+
+#define clamp(a)        ((a) < 0.0 ? 0.0 : ((a) < 1.0 ? (a) : 1.0))
+
+#define vclamp(v) {\
+  (v)[0]=clamp((v)[0]);\
+  (v)[1]=clamp((v)[1]);\
+  (v)[2]=clamp((v)[2]);\
+}
+
+/* Manage option vars */
+#define DEF_TEXTURE    "True"
+#define DEF_FOG                "False"
+#define DEF_SHADOWS    "True"
+#define DEF_FRAMERATE  "False"
+#define DEF_TRACKMOUSE  "False"
+#define DEF_WANDER     "True"
+#define DEF_TREES      "5"
+#define MAX_TREES      20
+static Bool do_texture;
+static Bool do_fog;
+static Bool do_shadows;
+static Bool do_trackmouse;
+static Bool do_wander;
+static int num_trees;
+static int frame = 0;
+static XFontStruct *mode_font = None;
+
+static XrmOptionDescRec opts[] = {
+    {(char *) "-texture", (char *) ".fire.texture", XrmoptionNoArg, (caddr_t) "on"},
+    {(char *) "+texture", (char *) ".fire.texture", XrmoptionNoArg, (caddr_t) "off"},
+    {(char *) "-fog", (char *) ".fire.fog", XrmoptionNoArg, (caddr_t) "on"},
+    {(char *) "+fog", (char *) ".fire.fog", XrmoptionNoArg, (caddr_t) "off"},
+    {(char *) "-shadows", (char *) ".fire.shadows", XrmoptionNoArg, (caddr_t) "on"},
+    {(char *) "+shadows", (char *) ".fire.shadows", XrmoptionNoArg, (caddr_t) "off"},
+    {(char *) "-trackmouse", (char *) ".fire.trackmouse", XrmoptionNoArg, (caddr_t) "on"},
+    {(char *) "+trackmouse", (char *) ".fire.trackmouse", XrmoptionNoArg, (caddr_t) "off"},
+    {(char *) "-wander", (char *) ".fire.wander", XrmoptionNoArg, (caddr_t) "on"},
+    {(char *) "+wander", (char *) ".fire.wander", XrmoptionNoArg, (caddr_t) "off"},
+    {(char *) "-trees", (char *) ".fire.trees", XrmoptionSepArg, (caddr_t) NULL},
+
+};
+
+static argtype vars[] = {
+    {(caddr_t *) & do_texture, (char *) "texture", (char *) "Texture", (char *) DEF_TEXTURE, t_Bool},
+    {(caddr_t *) & do_fog, (char *) "fog", (char *) "Fog", (char *) DEF_FOG, t_Bool},
+    {(caddr_t *) & do_shadows, (char *) "shadows", (char *) "Shadows", (char *) DEF_SHADOWS, t_Bool},
+    {(caddr_t *) & do_trackmouse, (char *) "trackmouse", (char *) "TrackMouse", (char *) DEF_TRACKMOUSE, t_Bool},
+    {(caddr_t *) & do_wander, (char *) "wander", (char *) "Wander", (char *) DEF_WANDER, t_Bool},
+    {(caddr_t *) & num_trees, (char *) "trees", (char *) "Trees", (char *) DEF_TREES, t_Int},
+};
+
+static OptionStruct desc[] = {
+    {(char *) "-/+texture", (char *) "turn on/off texturing"},
+    {(char *) "-/+fog", (char *) "turn on/off fog"},
+    {(char *) "-/+shadows", (char *) "turn on/off shadows"},
+    {(char *) "-/+trackmouse", (char *) "turn on/off the tracking of the mouse"},
+    {(char *) "-/+wander", (char *) "turn on/off wandering"},
+    {(char *) "-trees num", (char *) "number of trees (0 disables)"},
+};
+
+ModeSpecOpt fire_opts =
+ { sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc };
+
+#ifdef USE_MODULES
+ModStruct fire_description =
+    { "fire", "init_fire", "draw_fire", "release_fire",
+    "draw_fire", "change_fire", (char *) NULL, &fire_opts,
+    10000, 800, 1, 400, 64, 1.0, "",
+    "Shows a 3D fire-like image", 0, NULL
+};
+#endif /* USE_MODULES */
+
+/* misc defines */
+#define TREEINR                2.5     /* tree min distance */
+#define TREEOUTR       8.0     /* tree max distance */
+#define FRAME          50      /* frame count interval */
+#define DIMP           20.0    /* dimension of ground */
+#define DIMTP          16.0    /* dimension of ground texture */
+
+#define RIDCOL                 0.4     /* factor for color blending */
+
+#define AGRAV          -9.8    /* gravity */
+
+#define NUMPART                7500    /* rain particles */
+
+/* fire particle struct */
+typedef struct {
+    int age;
+    float p[3][3];
+    float v[3];
+    float c[3][4];
+} part;
+
+/* rain particle struct */
+typedef struct {
+    float age;
+    float acc[3];
+    float vel[3];
+    float pos[3];
+    float partLength;
+    float oldpos[3];
+} rain;
+
+/* colors */
+static float black[3]    = { 0.0, 0.0, 0.0 }; /* shadow color */
+static float partcol1[3] = { 1.0, 0.2, 0.0 }; /* initial color: red-ish */
+static float partcol2[3] = { 1.0, 1.0, 0.0 }; /* blending color: yellow-ish */
+static float fogcolor[4] = { 0.9, 0.9, 1.0, 1.0 };
+
+/* ground */
+static float q[4][3] = {
+    {-DIMP, 0.0, -DIMP},
+    {DIMP, 0.0, -DIMP},
+    {DIMP, 0.0, DIMP},
+    {-DIMP, 0.0, DIMP}
+};
+
+/* ground texture */
+static float qt[4][2] = {
+    {-DIMTP, -DIMTP},
+    {DIMTP, -DIMTP},
+    {DIMTP, DIMTP},
+    {-DIMTP, DIMTP}
+};
+
+/* default values for observer */
+static const float DEF_OBS[3] = { 2.0f, 1.0f, 0.0f };
+#define DEV_V          0.0
+#define DEF_ALPHA      -90.0
+#define DEF_BETA       90.0
+
+/* tree struct */
+typedef struct {
+    float x,y,z;
+} treestruct;
+
+/* the mode struct, contains all per screen variables */
+typedef struct {
+    GLint WIDTH, HEIGHT;       /* display dimensions */
+    GLXContext *glx_context;
+
+    int np;                    /* number of fire particles : set it through 'count' resource */
+    float eject_r;             /* emission radius */
+    float dt, maxage, eject_vy, eject_vl;
+    float ridtri;              /* fire particle size */
+    Bool shadows;              /* misc booleans: set them through specific resources */
+    Bool fog;
+
+    part *p;                   /* fire particles array */
+    rain *r;                   /* rain particles array */
+
+    XImage *gtexture;          /* ground texture image bits */
+    XImage *ttexture;          /* tree texture image bits */
+    GLuint groundid;           /* ground texture id: GL world */
+    GLuint treeid;             /* tree texture id: GL world */
+    GLuint fontbase;           /* fontbase id: GL world */
+
+    int   num_trees;           /* number of trees: set it through 'trees' resource */
+    treestruct *treepos;       /* trees positions: float treepos[num_trees][3] */
+
+    float min[3];              /* raining area */
+    float max[3];
+
+    float obs[3];              /* observer coordinates */
+    float dir[3];              /* view direction */
+    float v;                   /* observer velocity */
+    float alpha;               /* observer angles */
+    float beta;
+} firestruct;
+
+/* array of firestruct indexed by screen number */
+static firestruct *fire = (firestruct *) NULL;
+
+/*
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ *    Misc funcs.
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ */
+
+/* utility function for the rain particles */
+static float gettimerain(void)
+{
+#if 0
+  /* Oh yeah, *that's* portable!  WTF. */
+
+  static clock_t told=0;
+  clock_t tnew,ris;
+
+  tnew=clock();
+
+  ris=tnew-told;
+
+  told=tnew;
+
+  return (ris/(float)CLOCKS_PER_SEC);
+#else
+  return 0;
+#endif
+}
+
+/* my RAND */
+static float vrnd(void)
+{
+    return ((float) LRAND() / (float) MAXRAND);
+}
+
+/* initialise new fire particle */
+static void setnewpart(firestruct * fs, part * p)
+{
+    float a, vi[3], *c;
+
+    p->age = 0;
+
+    a = vrnd() * M_PI * 2.0;
+
+    vinit(vi, sin(a) * fs->eject_r * vrnd(), 0.15, cos(a) * fs->eject_r * vrnd());
+    vinit(p->p[0], vi[0] + vrnd() * fs->ridtri, vi[1] + vrnd() * fs->ridtri, vi[2] + vrnd() * fs->ridtri);
+    vinit(p->p[1], vi[0] + vrnd() * fs->ridtri, vi[1] + vrnd() * fs->ridtri, vi[2] + vrnd() * fs->ridtri);
+    vinit(p->p[2], vi[0] + vrnd() * fs->ridtri, vi[1] + vrnd() * fs->ridtri, vi[2] + vrnd() * fs->ridtri);
+
+    vinit(p->v, vi[0] * fs->eject_vl / (fs->eject_r / 2),
+         vrnd() * fs->eject_vy + fs->eject_vy / 2,
+         vi[2] * fs->eject_vl / (fs->eject_r / 2));
+
+    c = partcol1;
+
+    vinit4(p->c[0], c[0] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+          c[1] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+          c[2] * ((1.0 - RIDCOL) + vrnd() * RIDCOL), 1.0);
+    vinit4(p->c[1], c[0] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+          c[1] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+          c[2] * ((1.0 - RIDCOL) + vrnd() * RIDCOL), 1.0);
+    vinit4(p->c[2], c[0] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+          c[1] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+          c[2] * ((1.0 - RIDCOL) + vrnd() * RIDCOL), 1.0);
+}
+
+/* initialise new rain particle */
+static void setnewrain(firestruct * fs, rain * r)
+{
+    r->age=0.0f;
+
+    vinit(r->acc,0.0f,-0.98f,0.0f);
+    vinit(r->vel,0.0f,0.0f,0.0f);
+    
+    r->partLength=0.2f;
+
+    vinit(r->oldpos,fs->min[0]+(fs->max[0]-fs->min[0])*vrnd(),
+                    fs->max[1]+0.2f*fs->max[1]*vrnd(),
+                    fs->min[2]+(fs->max[2]-fs->min[2])*vrnd());
+    vequ(r->pos,r->oldpos);
+    vadds(r->oldpos,-(r->partLength),r->vel);
+
+    r->pos[1]=(fs->max[1]-fs->min[1])*vrnd()+fs->min[1];
+    r->oldpos[1]=r->pos[1]-r->partLength*r->vel[1];
+}
+
+/* set fire particle values */
+static void setpart(firestruct * fs, part * p)
+{
+    float fact;
+
+    if (p->p[0][1] < 0.1) {
+       setnewpart(fs, p);
+       return;
+    }
+
+    p->v[1] += AGRAV * fs->dt;
+
+    vadds(p->p[0], fs->dt, p->v);
+    vadds(p->p[1], fs->dt, p->v);
+    vadds(p->p[2], fs->dt, p->v);
+
+    p->age++;
+
+    if ((p->age) > fs->maxage) {
+       vequ(p->c[0], partcol2);
+       vequ(p->c[1], partcol2);
+       vequ(p->c[2], partcol2);
+    } else {
+       fact = 1.0 / fs->maxage;
+       vadds(p->c[0], fact, partcol2);
+       vclamp(p->c[0]);
+       p->c[0][3] = fact * (fs->maxage - p->age);
+
+       vadds(p->c[1], fact, partcol2);
+       vclamp(p->c[1]);
+       p->c[1][3] = fact * (fs->maxage - p->age);
+
+       vadds(p->c[2], fact, partcol2);
+       vclamp(p->c[2]);
+       p->c[2][3] = fact * (fs->maxage - p->age);
+    }
+}
+
+/* set rain particle values */
+static void setpartrain(firestruct * fs, rain * r, float dt)
+{
+    r->age += dt;
+
+    vadds(r->vel,dt,r->acc);
+    vadds(r->pos,dt,r->vel);
+
+    if(r->pos[0]<fs->min[0])
+       r->pos[0]=fs->max[0]-(fs->min[0]-r->pos[0]);
+    if(r->pos[2]<fs->min[2])
+       r->pos[2]=fs->max[2]-(fs->min[2]-r->pos[2]);
+
+    if(r->pos[0]>fs->max[0])
+       r->pos[0]=fs->min[0]+(r->pos[0]-fs->max[0]);
+    if(r->pos[2]>fs->max[2])
+       r->pos[2]=fs->min[2]+(r->pos[2]-fs->max[2]);
+
+    vequ(r->oldpos,r->pos);
+    vadds(r->oldpos,-(r->partLength),r->vel);
+    if(r->pos[1]<fs->min[1])
+       setnewrain(fs, r);
+}
+
+/* draw a tree */
+static void drawtree(float x, float y, float z)
+{
+    glBegin(GL_QUADS);
+    glTexCoord2f(0.0,0.0);
+    glVertex3f(x-1.5,y+0.0,z);
+
+    glTexCoord2f(1.0,0.0);
+    glVertex3f(x+1.5,y+0.0,z);
+
+    glTexCoord2f(1.0,1.0);
+    glVertex3f(x+1.5,y+3.0,z);
+
+    glTexCoord2f(0.0,1.0);
+    glVertex3f(x-1.5,y+3.0,z);
+
+
+    glTexCoord2f(0.0,0.0);
+    glVertex3f(x,y+0.0,z-1.5);
+
+    glTexCoord2f(1.0,0.0);
+    glVertex3f(x,y+0.0,z+1.5);
+
+    glTexCoord2f(1.0,1.0);
+    glVertex3f(x,y+3.0,z+1.5);
+
+    glTexCoord2f(0.0,1.0);
+    glVertex3f(x,y+3.0,z-1.5);
+
+    glEnd();
+
+}
+
+/* calculate observer position : modified only if trackmouse is used */
+static void calcposobs(firestruct * fs)
+{
+    fs->dir[0] = sin(fs->alpha * M_PI / 180.0);
+    fs->dir[2] =
+       cos(fs->alpha * M_PI / 180.0) * sin(fs->beta * M_PI / 180.0);
+    fs->dir[1] = cos(fs->beta * M_PI / 180.0);
+
+    fs->obs[0] += fs->v * fs->dir[0];
+    fs->obs[1] += fs->v * fs->dir[1];
+    fs->obs[2] += fs->v * fs->dir[2];
+
+    if (!fs->np)
+    {
+       vinit(fs->min,fs->obs[0]-7.0f,-0.2f,fs->obs[2]-7.0f);
+       vinit(fs->max,fs->obs[0]+7.0f,8.0f,fs->obs[2]+7.0f);
+    }
+}
+
+/* track the mouse in a joystick manner : not perfect but it works */
+static void trackmouse(ModeInfo * mi)
+{
+    firestruct *fs = &fire[MI_SCREEN(mi)];
+    /* we keep static values (not per screen) for the mouse stuff: in general you have only one mouse :-> */
+    static int max[2] = { 0, 0 };
+    static int min[2] = { 0x7fffffff, 0x7fffffff }, center[2];
+    Window r, c;
+    int rx, ry, cx, cy;
+    unsigned int m;
+
+    (void) XQueryPointer(MI_DISPLAY(mi), MI_WINDOW(mi),
+                        &r, &c, &rx, &ry, &cx, &cy, &m);
+
+    if (max[0] < cx)
+       max[0] = cx;
+    if (min[0] > cx)
+       min[0] = cx;
+    center[0] = (max[0] + min[0]) / 2;
+
+    if (max[1] < cy)
+       max[1] = cy;
+    if (min[1] > cy)
+       min[1] = cy;
+    center[1] = (max[1] + min[1]) / 2;
+
+    if (fabs(center[0] - (float) cx) > 0.1 * (max[0] - min[0]))
+       fs->alpha += 2.5 * (center[0] - (float) cx) / (max[0] - min[0]);
+    if (fabs(center[1] - (float) cy) > 0.1 * (max[1] - min[1]))
+       fs->beta += 2.5 * (center[1] - (float) cy) / (max[1] - min[1]);
+
+    /* oops: can't get those buttons */
+    if (m & Button4Mask)
+       fs->v += 0.01;
+    if (m & Button5Mask)
+       fs->v -= 0.01;
+
+}
+
+/* initialise textures */
+static void inittextures(ModeInfo * mi)
+{
+    firestruct *fs = &fire[MI_SCREEN(mi)];
+
+#if defined( I_HAVE_XPM )
+    if (do_texture) {
+
+       glGenTextures(1, &fs->groundid);
+#ifdef HAVE_GLBINDTEXTURE
+       glBindTexture(GL_TEXTURE_2D, fs->groundid);
+#endif /* HAVE_GLBINDTEXTURE */
+
+        if ((fs->gtexture = xpm_to_ximage(MI_DISPLAY(mi), MI_VISUAL(mi),
+                        MI_COLORMAP(mi), ground)) == None) {
+           (void) fprintf(stderr, "Error reading the ground texture.\n");
+           glDeleteTextures(1, &fs->groundid);
+            do_texture = False;
+           fs->groundid = 0;
+           fs->treeid   = 0;
+           return;
+       }
+
+       glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+    clear_gl_error();
+       glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+                    fs->gtexture->width, fs->gtexture->height, 0,
+                    GL_RGBA, GL_UNSIGNED_BYTE, fs->gtexture->data);
+    check_gl_error("texture");
+
+       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+       glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+
+        if (fs->num_trees)
+       {
+           glGenTextures(1, &fs->treeid);
+#ifdef HAVE_GLBINDTEXTURE
+           glBindTexture(GL_TEXTURE_2D,fs->treeid);
+#endif /* HAVE_GLBINDTEXTURE */
+            if ((fs->ttexture = xpm_to_ximage(MI_DISPLAY(mi), MI_VISUAL(mi),
+                        MI_COLORMAP(mi), tree)) == None) {
+             (void)fprintf(stderr,"Error reading tree texture.\n");
+             glDeleteTextures(1, &fs->treeid);
+             fs->treeid    = 0;
+              fs->num_trees = 0; 
+             return;
+           }
+
+        clear_gl_error();
+           glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+                       fs->ttexture->width, fs->ttexture->height, 0,
+                       GL_RGBA, GL_UNSIGNED_BYTE, fs->ttexture->data);
+        check_gl_error("texture");
+
+           glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
+           glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
+
+           glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
+           glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
+
+           glTexEnvf(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE);
+       }
+    }
+    else
+    {
+       fs->groundid = 0;       /* default textures */
+       fs->treeid   = 0;
+    }
+#else /* !I_HAVE_XPM */
+  do_texture = False;
+  fs->groundid = 0;       /* default textures */
+  fs->treeid = 0;
+#endif /* !I_HAVE_XPM */
+}
+
+/* init tree array and positions */
+static Bool inittree(ModeInfo * mi)
+{
+    firestruct *fs = &fire[MI_SCREEN(mi)];
+    int i;
+    float dist;
+
+    /* allocate treepos array */
+    if ((fs->treepos = (treestruct *) malloc(fs->num_trees *
+                                       sizeof(treestruct))) == NULL) {
+               return False;
+    }
+    /* initialise positions */
+    for(i=0;i<fs->num_trees;i++)
+       do {
+           fs->treepos[i].x =vrnd()*TREEOUTR*2.0-TREEOUTR;
+           fs->treepos[i].y =0.0;
+           fs->treepos[i].z =vrnd()*TREEOUTR*2.0-TREEOUTR;
+           dist=sqrt(fs->treepos[i].x *fs->treepos[i].x +fs->treepos[i].z *fs->treepos[i].z );
+        } while((dist<TREEINR) || (dist>TREEOUTR));
+       return True;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ *    GL funcs.
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ */
+
+#ifndef STANDALONE
+static void Reshape(ModeInfo * mi)
+#else
+void reshape_fire(ModeInfo * mi, int width, int height)
+#endif
+{
+
+    firestruct *fs = &fire[MI_SCREEN(mi)];
+    int size = MI_SIZE(mi);
+
+    /* Viewport is specified size if size >= MINSIZE && size < screensize */
+    if (size <= 1) {
+        fs->WIDTH = MI_WIDTH(mi);
+        fs->HEIGHT = MI_HEIGHT(mi);
+    } else if (size < MINSIZE) {
+        fs->WIDTH = MINSIZE;
+        fs->HEIGHT = MINSIZE;
+    } else {
+        fs->WIDTH = (size > MI_WIDTH(mi)) ? MI_WIDTH(mi) : size;
+        fs->HEIGHT = (size > MI_HEIGHT(mi)) ? MI_HEIGHT(mi) : size;
+    }
+    glViewport((MI_WIDTH(mi) - fs->WIDTH) / 2, (MI_HEIGHT(mi) - fs->HEIGHT) / 2, fs->WIDTH, fs->HEIGHT);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(70.0, fs->WIDTH / (float) fs->HEIGHT, 0.1, 30.0);
+
+    glMatrixMode(GL_MODELVIEW);
+
+}
+
+static void DrawFire(ModeInfo * mi)
+{
+    int j;
+    firestruct *fs = &fire[MI_SCREEN(mi)];
+    Bool wire = MI_IS_WIREFRAME(mi);
+
+    if (do_trackmouse && !MI_IS_ICONIC(mi))
+       trackmouse(mi);
+
+    if (do_wander)
+    {
+       GLfloat x, y, z;
+
+#       define SINOID(SCALE,SIZE) \
+        ((((1 + sin((frame * (SCALE)) / 2 * M_PI)) / 2.0) * (SIZE)) - (SIZE)/2)
+
+        x = SINOID(0.031, 0.85);
+        y = SINOID(0.017, 0.25);
+        z = SINOID(0.023, 0.85);
+        frame++;
+        fs->obs[0] = x + DEF_OBS[0];
+        fs->obs[1] = y + DEF_OBS[1];
+        fs->obs[2] = z + DEF_OBS[2];
+        fs->dir[1] = y;
+        fs->dir[2] = z;
+    }
+
+    glEnable(GL_DEPTH_TEST);
+
+    if (fs->fog)
+       glEnable(GL_FOG);
+    else
+       glDisable(GL_FOG);
+
+    glDepthMask(GL_TRUE);
+    glClearColor(0.5, 0.5, 0.8, 1.0);  /* sky in the distance */
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix();
+    calcposobs(fs);
+    gluLookAt(fs->obs[0], fs->obs[1], fs->obs[2],
+             fs->obs[0] + fs->dir[0], fs->obs[1] + fs->dir[1],
+             fs->obs[2] + fs->dir[2], 0.0, 1.0, 0.0);
+
+
+    glEnable(GL_TEXTURE_2D);
+
+    /* draw ground using the computed texture */
+    if (do_texture) {
+       glColor4f(1.0,1.0,1.0,1.0);     /* white to get texture in it's true color */
+#ifdef HAVE_GLBINDTEXTURE
+       glBindTexture(GL_TEXTURE_2D, fs->groundid);
+#endif /* HAVE_GLBINDTEXTURE */
+    }
+    else
+        glColor4f(0.54, 0.27, 0.07, 1.0);      /* untextured ground color */
+    glBegin(GL_QUADS);
+    glTexCoord2fv(qt[0]);
+    glVertex3fv(q[0]);
+    glTexCoord2fv(qt[1]);
+    glVertex3fv(q[1]);
+    glTexCoord2fv(qt[2]);
+    glVertex3fv(q[2]);
+    glTexCoord2fv(qt[3]);
+    glVertex3fv(q[3]);
+    glEnd();
+
+    glAlphaFunc(GL_GEQUAL, 0.9);
+    if (fs->num_trees)
+    {
+       /* here do_texture IS True - and color used is white */
+       glEnable(GL_ALPHA_TEST);
+#ifdef HAVE_GLBINDTEXTURE
+       glBindTexture(GL_TEXTURE_2D,fs->treeid);
+#endif /* HAVE_GLBINDTEXTURE */
+       for(j=0;j<fs->num_trees;j++)
+           drawtree(fs->treepos[j].x ,fs->treepos[j].y ,fs->treepos[j].z );
+       glDisable(GL_ALPHA_TEST);
+    }
+    glDisable(GL_TEXTURE_2D);
+    glDepthMask(GL_FALSE);
+
+    if (fs->shadows) {
+       /* draw shadows with black color */
+       glBegin(wire ? GL_LINE_STRIP : GL_TRIANGLES);
+       for (j = 0; j < fs->np; j++) {
+           glColor4f(black[0], black[1], black[2], fs->p[j].c[0][3]);
+           glVertex3f(fs->p[j].p[0][0], 0.1, fs->p[j].p[0][2]);
+
+           glColor4f(black[0], black[1], black[2], fs->p[j].c[1][3]);
+           glVertex3f(fs->p[j].p[1][0], 0.1, fs->p[j].p[1][2]);
+
+           glColor4f(black[0], black[1], black[2], fs->p[j].c[2][3]);
+           glVertex3f(fs->p[j].p[2][0], 0.1, fs->p[j].p[2][2]);
+       }
+       glEnd();
+    }
+
+    glBegin(wire ? GL_LINE_STRIP : GL_TRIANGLES);
+    for (j = 0; j < fs->np; j++) {
+       /* draw particles: colors are computed in setpart */
+       glColor4fv(fs->p[j].c[0]);
+       glVertex3fv(fs->p[j].p[0]);
+
+       glColor4fv(fs->p[j].c[1]);
+       glVertex3fv(fs->p[j].p[1]);
+
+       glColor4fv(fs->p[j].c[2]);
+       glVertex3fv(fs->p[j].p[2]);
+
+       setpart(fs, &fs->p[j]);
+    }
+    glEnd();
+
+    /* draw rain particles if no fire particles */
+    if (!fs->np)
+    {
+        float timeused = gettimerain();
+        glDisable(GL_TEXTURE_2D);
+       glShadeModel(GL_SMOOTH);
+       glBegin(GL_LINES);
+       for (j = 0; j < NUMPART; j++) {
+           glColor4f(0.7f,0.95f,1.0f,0.0f);
+           glVertex3fv(fs->r[j].oldpos);
+           glColor4f(0.3f,0.7f,1.0f,1.0f);
+           glVertex3fv(fs->r[j].pos);
+           setpartrain(fs, &fs->r[j],timeused);
+       }
+       glEnd();
+       glShadeModel(GL_FLAT);
+    }
+
+    glDisable(GL_TEXTURE_2D);
+    glDisable(GL_ALPHA_TEST);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_FOG);
+
+    /* manage framerate display */
+    if (MI_IS_FPS(mi)) do_fps (mi);
+    glPopMatrix();
+}
+
+
+static Bool Init(ModeInfo * mi)
+{
+    int i;
+    firestruct *fs = &fire[MI_SCREEN(mi)];
+
+    /* default settings */
+    fs->eject_r = 0.1 + NRAND(10) * 0.03;
+    fs->dt = 0.015;
+    fs->eject_vy = 4;
+    fs->eject_vl = 1;
+    fs->ridtri = 0.1 + NRAND(10) * 0.005;
+    fs->maxage = 1.0 / fs->dt;
+    vinit(fs->obs, DEF_OBS[0], DEF_OBS[1], DEF_OBS[2]);
+    fs->v = 0.0;
+    fs->alpha = DEF_ALPHA;
+    fs->beta = DEF_BETA;
+
+    /* initialise texture stuff */
+    if (do_texture)
+       inittextures(mi);
+    else
+    {
+       fs->ttexture = (XImage*) NULL;
+       fs->gtexture = (XImage*) NULL;
+    }
+
+    if (MI_IS_DEBUG(mi)) {
+       (void) fprintf(stderr,
+                      "%s:\n\tnum_part=%d\n\ttrees=%d\n\tfog=%s\n\tshadows=%s\n\teject_r=%.3f\n\tridtri=%.3f\n",
+                      MI_NAME(mi),
+                      fs->np,
+                      fs->num_trees,
+                      fs->fog ? "on" : "off",
+                      fs->shadows ? "on" : "off",
+                      fs->eject_r, fs->ridtri);
+    }
+
+    glShadeModel(GL_FLAT);
+    glEnable(GL_DEPTH_TEST);
+
+    /* makes particles blend with background */
+    if (!MI_IS_WIREFRAME(mi)||(!fs->np))
+    {
+       glEnable(GL_BLEND);
+       glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    }
+
+    /* fog stuff */
+    glEnable(GL_FOG);
+    glFogi(GL_FOG_MODE, GL_EXP);
+    glFogfv(GL_FOG_COLOR, fogcolor);
+    glFogf(GL_FOG_DENSITY, 0.03);
+    glHint(GL_FOG_HINT, GL_NICEST);
+
+    /* initialise particles and trees */
+    for (i = 0; i < fs->np; i++) {
+       setnewpart(fs, &(fs->p[i]));
+    }
+
+    if (fs->num_trees)
+       if (!inittree(mi)) {
+               return False;
+       }
+
+    /* if no fire particles then initialise rain particles */
+    if (!fs->np)
+    {
+       vinit(fs->min,-7.0f,-0.2f,-7.0f);
+       vinit(fs->max,7.0f,8.0f,7.0f);
+       for (i = 0; i < NUMPART; i++) {
+           setnewrain(fs, &(fs->r[i]));
+       }
+    }
+    
+    return True;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ *    Xlock hooks.
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ */
+
+
+static void
+free_fire(firestruct *fs)
+{
+       if (mode_font != None && fs->fontbase != None) {
+               glDeleteLists(fs->fontbase, mode_font->max_char_or_byte2 -
+                       mode_font->min_char_or_byte2 + 1);
+               fs->fontbase = None;
+       }
+
+       if (fs->p != NULL) {
+               (void) free((void *) fs->p);
+               fs->p = (part *) NULL;
+       }
+       if (fs->r != NULL) {
+               (void) free((void *) fs->r);
+               fs->r = (rain *) NULL;
+       }
+       if (fs->treepos != NULL) {
+               (void) free((void *) fs->treepos);
+               fs->treepos = (treestruct *) NULL;
+       }
+       if (fs->ttexture != None) {
+               glDeleteTextures(1, &fs->treeid);
+               XDestroyImage(fs->ttexture);
+               fs->ttexture = None;
+       }
+       if (fs->gtexture != None) {
+               glDeleteTextures(1, &fs->groundid);
+               XDestroyImage(fs->gtexture);
+               fs->gtexture = None;
+       }
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *    Initialize fire.  Called each time the window changes.
+ *-----------------------------------------------------------------------------
+ */
+
+void
+init_fire(ModeInfo * mi)
+{
+    firestruct *fs;
+
+    /* allocate the main fire table if needed */
+    if (fire == NULL) {
+       if ((fire = (firestruct *) calloc(MI_NUM_SCREENS(mi),
+                                         sizeof(firestruct))) == NULL)
+           return;
+    }
+
+    /* initialise the per screen fire structure */
+    fs = &fire[MI_SCREEN(mi)];
+    fs->np = MI_COUNT(mi);
+    fs->fog = do_fog;
+    fs->shadows = do_shadows;
+    /* initialise fire particles if any */
+    if ((fs->np)&&(fs->p == NULL)) {
+       if ((fs->p = (part *) calloc(fs->np, sizeof(part))) == NULL) {
+           free_fire(fs);
+           return;
+       }
+    }
+    else if (fs->r == NULL) {
+        /* initialise rain particles if no fire particles */
+       if ((fs->r = (rain *) calloc(NUMPART, sizeof(part))) == NULL) {
+           free_fire(fs);
+           return;
+       }
+    }
+
+    /* check tree number */
+    if (do_texture)
+       fs->num_trees = (num_trees<MAX_TREES)?num_trees:MAX_TREES;
+    else
+       fs->num_trees = 0;
+
+    /* check wander/trackmouse */
+    if (do_trackmouse && do_wander) do_wander = 0;
+
+    /* xlock GL stuff */
+    if ((fs->glx_context = init_GL(mi)) != NULL) {
+
+#ifndef STANDALONE
+       Reshape(mi); /* xlock mode */
+#else
+       reshape_fire(mi,MI_WIDTH(mi),MI_HEIGHT(mi)); /* xscreensaver mode */
+#endif
+       glDrawBuffer(GL_BACK);
+       if (!Init(mi)) {
+               free_fire(fs);
+               return;
+       }
+    } else {
+       MI_CLEARWINDOW(mi);
+    }
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *    Called by the mainline code periodically to update the display.
+ *-----------------------------------------------------------------------------
+ */
+void draw_fire(ModeInfo * mi)
+{
+    firestruct *fs = &fire[MI_SCREEN(mi)];
+
+    Display *display = MI_DISPLAY(mi);
+    Window window = MI_WINDOW(mi);
+
+    MI_IS_DRAWN(mi) = True;
+
+    if (!fs->glx_context)
+       return;
+
+    glXMakeCurrent(display, window, *(fs->glx_context));
+    DrawFire(mi);
+#ifndef STANDALONE
+    Reshape(mi); /* xlock mode */
+#else
+    reshape_fire(mi,MI_WIDTH(mi),MI_HEIGHT(mi)); /* xscreensaver mode */
+#endif
+
+    glFinish();
+    glXSwapBuffers(display, window);
+}
+
+
+/*
+ *-----------------------------------------------------------------------------
+ *    The display is being taken away from us.  Free up malloc'ed
+ *      memory and X resources that we've alloc'ed.  Only called
+ *      once, we must zap everything for every screen.
+ *-----------------------------------------------------------------------------
+ */
+
+void release_fire(ModeInfo * mi)
+{
+    if (fire != NULL) {
+    int screen;
+       for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+               free_fire(&fire[screen]);
+       (void) free((void *) fire);
+       fire = (firestruct *) NULL;
+    }
+    if (mode_font != None)
+    {
+       /* only free-ed when there are no more screens used */
+       XFreeFont(MI_DISPLAY(mi), mode_font);
+       mode_font = None;
+    }
+    FreeAllGL(mi);
+}
+
+void change_fire(ModeInfo * mi)
+{
+    firestruct *fs = &fire[MI_SCREEN(mi)];
+
+    if (!fs->glx_context)
+       return;
+
+    glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(fs->glx_context));
+
+    /* if available, randomly change some values */
+    if (do_fog)
+       fs->fog = LRAND() & 1;
+    if (do_shadows)
+       fs->shadows = LRAND() & 1;
+    /* reset observer position */
+    frame = 0;
+    vinit(fs->obs, DEF_OBS[0], DEF_OBS[1], DEF_OBS[2]);
+    fs->v = 0.0;
+    /* particle randomisation */
+    fs->eject_r = 0.1 + NRAND(10) * 0.03;
+    fs->ridtri = 0.1 + NRAND(10) * 0.005;
+
+    if (MI_IS_DEBUG(mi)) {
+       (void) fprintf(stderr,
+                      "%s:\n\tnum_part=%d\n\ttrees=%d\n\tfog=%s\n\tshadows=%s\n\teject_r=%.3f\n\tridtri=%.3f\n",
+                      MI_NAME(mi),
+                      fs->np,
+                      fs->num_trees,
+                      fs->fog ? "on" : "off",
+                      fs->shadows ? "on" : "off",
+                      fs->eject_r, fs->ridtri);
+    }
+}
+#endif /* MODE_fire */
diff --git a/hacks/glx/glforestfire.man b/hacks/glx/glforestfire.man

new file mode 100644 (file)

index 0000000..82620f9
--- /dev/null
+++ b/hacks/glx/glforestfire.man
@@ -0,0 +1,132 @@
+.de EX         \"Begin example
+.ne 5
+.if n .sp 1
+.if t .sp .5
+.nf
+.in +.5i
+..
+.de EE
+.fi
+.in -.5i
+.if n .sp 1
+.if t .sp .5
+..
+.TH XScreenSaver 1 "03-Oct-01" "X Version 11"
+.SH NAME
+glforestfire - draws a GL animation of sprinkling fire-like 3D triangles
+.SH SYNOPSIS
+.B glforestfire
+[\-display \fIhost:display.screen\fP] [\-window] [\-root]
+[\-visual \fIvisual\fP] [\-delay \fImicroseconds\fP]
+[\-count \fInumber_of_particles\fP] 
+[\-trees \fInumber_of_trees\fP] 
+[\-size \fIviewport_size\fP] 
+[\-texture] [\-no-texture]
+[\-shadows] [\-no-shadows]
+[\-fog] [\-no-fog]
+[\-wireframe] [\-no-wireframe]
+[\-wander] [\-no-wander]
+[\-trackmouse] [\-no-trackmouse]
+[\-fps] [\-no-fps]
+.SH DESCRIPTION
+The \fIglforestfire\fP program draws an animation of sprinkling fire-like 3D triangles in
+a landscape filled with trees.
+.SH OPTIONS
+.I glforestfire
+accepts the following options:
+.TP 8
+.B \-window
+Draw on a newly-created window.  This is the default.
+.TP 8
+.B \-root
+Draw on the root window.
+.TP 8
+.B \-install
+Install a private colormap for the window.
+.TP 8
+.B \-visual \fIvisual\fP\fP
+Specify which visual to use.  Legal values are the name of a visual class,
+or the id number (decimal or hex) of a specific visual.
+.TP 8
+.B \-fps
+Display a running tally of how many frames per second are being rendered.
+In conjunction with \fB\-delay 0\fP, this can be a useful benchmark of 
+your GL performance.
+.TP 8
+.B \-trees \fInumber_of_trees\fP\fP
+Specify how much trees are drawn in the landscape. 
+.TP 8
+.B \-count \fInumber_of_particles\fP\fP
+Specify how much fire particles are drawn. A very special case is 0
+wich means that you get
+.B rain
+!
+.TP 8
+.B \-size \fIviewport_size\fP\fP
+Viewport of GL scene is specified size if greater than 32 and less than screensize. Default value is 0, meaning full screensize.
+.TP 8
+.B \-texture
+Show a textured ground and the trees. This is the default.
+.TP 8
+.B \-no\-texture
+Disables texturing the landscape. This implies that no trees are drawn.
+.TP 8
+.B \-shadows
+Show a shadow for each particle on the ground. This is the default.
+.TP 8
+.B \-no\-shadows
+Disables the drawing of the shadows.
+.TP 8
+.B \-fog
+Show a fog in the distance.
+.TP 8
+.B \-no\-fog
+Disables the fog. This is the default.
+.TP 8
+.B \-wander
+Move the observer around the landscape. This is the default.
+.TP 8
+.B \-no\-wander
+Keep the fire centered on the screen.
+.TP 8
+.B \-trackmouse
+Let the mouse be a joystick to change the view of the landscape.
+This implies 
+.I \-no\-wander.
+.TP 8
+.B \-no\-trackmouse
+Disables mouse tracking. This is the default.
+.TP 8
+.B \-wire
+Draw a wireframe rendition of the fire: this will consist only of
+single-pixel lines for the triangles.
+.SH ENVIRONMENT
+.PP
+.TP 8
+.B DISPLAY
+to get the default host and display number.
+.TP 8
+.B XENVIRONMENT
+to get the name of a resource file that overrides the global resources
+stored in the RESOURCE_MANAGER property.
+.SH SEE ALSO
+.BR X (1),
+.BR xscreensaver (1)
+.SH COPYRIGHT
+Copyright \(co 2001 by Eric Lassauge.
+Permission to use, copy, modify, distribute, and sell this software and
+its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation.  No representations are made about the
+suitability of this software for any purpose.  It is provided "as is"
+without express or implied warranty.
+
+The original code for this hack was written by David Bucciarelli 
+(tech.hmw@plus.it) and could be found in the demo package 
+of Mesa (Mesa-3.2/3Dfx/demos/). This hack is the result of the merge of
+two of the David's demos (fire and rain).
+
+.SH AUTHOR
+David Bucciarelli <tech.hmw@plus.it>
+Eric Lassauge <lassauge@mail.dotcom.fr>
diff --git a/hacks/glx/glplanet.c b/hacks/glx/glplanet.c

index 047abbf6c5ba61daa61fc9eef9b95c56d26c1ef7..0685386f3710d20f72520485f04cac0082178da5 100644 (file)
--- a/hacks/glx/glplanet.c
+++ b/hacks/glx/glplanet.c
@@ -14,6 +14,8 @@
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
+ *
+ * 16-Jan-02: jwz@jwz.org   gdk_pixbuf support.
   * 21-Mar-01: jwz@jwz.org   Broke sphere routine out into its own file.
   *
   * 9-Oct-98:  dek@cgl.ucsf.edu  Added stars.
   * 21-Mar-01: jwz@jwz.org   Broke sphere routine out into its own file.
   *
   * 9-Oct-98:  dek@cgl.ucsf.edu  Added stars.
@@ -28,18 +30,8 @@
   * BUGS:
   * -bounce is broken
   * 
   * BUGS:
   * -bounce is broken
   * 
- *   For even more spectacular results, grab the images from the "SSysten"
- *   package (http://www.msu.edu/user/kamelkev/) and do this:
- *
- *     cd ssystem-1.4/hires/
- *     foreach f ( *.jpg )
- *       djpeg $f | ppmquant 254 | ppmtoxpm > /tmp/$f:r.xpm
- *     end
- *
- *     cd /tmp
- *     foreach f ( *.xpm )
- *       glplanet -image $f
- *     end
+ *   For even more spectacular results, grab the images from the "SSystem"
+ *   package (http://www.msu.edu/user/kamelkev/) and use its JPEGs!
   */
  
  
   */
  
  
@@ -78,13 +70,6 @@
  
  #include "sphere.h"
  
  
  #include "sphere.h"
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-# ifndef PIXEL_ALREADY_TYPEDEFED
-#  define PIXEL_ALREADY_TYPEDEFED /* Sigh, Xmu/Drawing.h needs this... */
-# endif
-#endif
-
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Drawing.h>
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Drawing.h>
@@ -257,88 +242,25 @@ setup_file_texture (ModeInfo *mi, char *filename)
  {
    Display *dpy = mi->dpy;
    Visual *visual = mi->xgwa.visual;
  {
    Display *dpy = mi->dpy;
    Visual *visual = mi->xgwa.visual;
+
    Colormap cmap = mi->xgwa.colormap;
    Colormap cmap = mi->xgwa.colormap;
+  XImage *image = xpm_file_to_ximage (dpy, visual, cmap, filename);
  
  
-#ifdef HAVE_XPM
-  {
-       char **xpm_data = 0;
-       int result = XpmReadFileToData (filename, &xpm_data);
-       switch (result) {
-       case XpmSuccess:
-         {
-               XImage *image = xpm_to_ximage (dpy, visual, cmap, xpm_data);
-
-        clear_gl_error();
-               glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
-                                        image->width, image->height, 0,
-                                        GL_RGBA, GL_UNSIGNED_BYTE, image->data);
-        check_gl_error("texture");
-
-               /* setup parameters for texturing */
-               glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
-               glPixelStorei(GL_UNPACK_ROW_LENGTH, image->width);
-
-               glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-               glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-               glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-               glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-               glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-               return;
-         }
-         break;
-
-       case XpmOpenFailed:
-         fprintf (stderr, "%s: file %s doesn't exist.\n", progname, filename);
-         exit (-1);
-         break;
-
-       case XpmFileInvalid:
-         /* Fall through and try it as an XBM. */
-         break;
-
-       case XpmNoMemory:
-         fprintf (stderr, "%s: XPM: out of memory\n", progname);
-         exit (-1);
-         break;
-
-       default:
-         fprintf (stderr, "%s: XPM: unknown error code %d\n", progname, result);
-         exit (-1);
-         break;
-       }
-  }
-#endif /* HAVE_XPM */
+  clear_gl_error();
+  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+               image->width, image->height, 0,
+               GL_RGBA, GL_UNSIGNED_BYTE, image->data);
+  check_gl_error("texture");
  
  
-#ifdef HAVE_XMU
-  {
-       planetstruct *gp = &planets[MI_SCREEN(mi)];
-       unsigned int width = 0;
-       unsigned int height = 0;
-       unsigned char *data = 0;
-       int xhot, yhot;
-       int status = XmuReadBitmapDataFromFile (filename, &width, &height, &data,
-                                                                                       &xhot, &yhot);
-       if (status != Success)
-         {
-# ifdef HAVE_XPM
-               fprintf (stderr, "%s: not an XPM file: %s\n", progname, filename);
-# endif
-               fprintf (stderr, "%s: not an XBM file: %s\n", progname, filename);
-               exit (1);
-         }
+  /* setup parameters for texturing */
+  glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+  glPixelStorei(GL_UNPACK_ROW_LENGTH, image->width);
  
  
-       setup_xbm_texture ((char *) data, width, height, &gp->fg, &gp->bg);
-  }
-#else  /* !XMU */
-
-# ifdef HAVE_XPM
-  fprintf (stderr, "%s: not an XPM file: %s\n", progname, filename);
-# endif
-  fprintf (stderr, "%s: your vendor doesn't ship the standard Xmu library.\n",
-                  progname);
-  fprintf (stderr, "%s: we can't load XBM files without it.\n",progname);
-  exit (1);
-#endif /* !XMU */
+  glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+  glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+  glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+  glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  }
  
  
  }
  
  
diff --git a/hacks/glx/glsnake.c b/hacks/glx/glsnake.c

new file mode 100644 (file)

index 0000000..d54082b
--- /dev/null
+++ b/hacks/glx/glsnake.c
@@ -0,0 +1,1051 @@
+/* glsnake, Copyright (c) 2001,2002
+ * Jamie Wilkinson,    Andrew Bennetts,     Peter Aylett
+ * jaq@spacepants.org, andrew@puzzling.org, peter@ylett.com
+ *
+ * ported to xscreensaver 15th Jan 2002 by Jamie Wilkinson
+ * http://spacepants.org/src/glsnake/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <X11/Intrinsic.h>
+
+extern XtAppContext app;
+
+#define PROGCLASS     "glsnake"
+#define HACK_INIT     glsnake_init
+#define HACK_DRAW     glsnake_draw
+#define HACK_RESHAPE  glsnake_reshape
+#define sws_opts      xlockmore_opts
+
+#define DEF_SPEED       "0.05"
+#define DEF_EXPLODE     "0.03"
+#define DEF_VELOCITY    "1.0"
+#define DEF_ACCEL       "0.1"
+#define DEF_STATICTIME  "5000"
+#define DEF_YSPIN       "0.10"
+#define DEF_ZSPIN       "0.14"
+#define DEF_SCARYCOLOUR "False"
+#define DEF_LABELS             "True"
+
+#define DEFAULTS       "*delay:        30000        \n" \
+                       "*count:        30            \n" \
+                       "*showFPS:      False         \n" \
+                       "*wireframe:    False         \n" \
+                       "*speed:      " DEF_SPEED "   \n" \
+                       "*explode:    " DEF_EXPLODE " \n" \
+                       "*velocity:   " DEF_VELOCITY " \n" \
+/*                     "*accel:      " DEF_ACCEL "   \n" */ \
+                       "*statictime: " DEF_STATICTIME " \n" \
+                       "*yspin:      " DEF_YSPIN "   \n" \
+                       "*zspin:      " DEF_ZSPIN "   \n" \
+                       "*scarycolour:" DEF_SCARYCOLOUR " \n" \
+                       "*labels:     " DEF_LABELS "  \n" \
+                       "*labelfont:  -*-helvetica-medium-r-*-*-*-120-*\n" \
+
+
+
+#undef countof
+#define countof(x) (sizeof((x))/sizeof((*x)))
+
+#include "xlockmore.h"
+
+#ifdef USE_GL /* whole file */
+
+#include <GL/glu.h>
+#include <sys/timeb.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#define ZERO  0
+#define LEFT  1
+#define PIN   2
+#define RIGHT 3
+
+typedef struct model_s {
+       char * name;
+       float node[24];
+} model_t;
+
+typedef struct nodeang_s {
+       float cur_angle;
+       float dest_angle;
+} nodeang_t;
+
+typedef struct {
+       GLXContext * glx_context;
+
+       int node_list; /* name of the display list */
+       int is_cyclic;
+       int is_legal;
+       int last_turn;
+       int selected;
+       struct timeb last_iteration;
+       struct timeb last_morph;
+       int morphing;
+       nodeang_t node[24];
+       GLfloat roty;
+       GLfloat rotz;
+       int paused;
+       int dragging;
+       int m_count;
+       int m;
+       int cur_model;
+       int interactive;
+       GLfloat colour_t[3];
+       GLfloat colour_i[3];
+       GLfloat colour[3];
+       model_t * models;
+
+       XFontStruct * font;
+       GLuint font_list;
+} glsnake_configuration;
+
+static glsnake_configuration *glc = NULL;
+
+static GLfloat speed;
+static GLfloat explode;
+static GLfloat velocity;
+/* static GLfloat accel; */
+static long statictime;
+static GLfloat yspin;
+static GLfloat zspin;
+static Bool scarycolour;
+static Bool labels;
+
+static XrmOptionDescRec opts[] = {
+  { "-speed", ".speed", XrmoptionSepArg, 0 },
+  { "-explode", ".explode", XrmoptionSepArg, 0 },
+  { "-velocity", ".velocity", XrmoptionSepArg, 0 },
+/*  { "-accel", ".accel", XrmoptionSepArg, 0 }, */
+  { "-statictime", ".statictime", XrmoptionSepArg, 0 },
+  { "-yspin", ".yspin", XrmoptionSepArg, 0 },
+  { "-zspin", ".zspin", XrmoptionSepArg, 0 },
+  { "-scarycolour", ".scarycolour", XrmoptionNoArg, "True" },
+  { "+scarycolour", ".scarycolour", XrmoptionNoArg, "False" },
+  { "-labels", ".labels", XrmoptionNoArg, "True" },
+  { "+labels", ".labels", XrmoptionNoArg, "False" },
+};
+
+static argtype vars[] = {
+  {(caddr_t *) &speed, "speed", "Speed", DEF_SPEED, t_Float},
+  {(caddr_t *) &explode, "explode", "Explode", DEF_EXPLODE, t_Float},
+  {(caddr_t *) &velocity, "velocity", "Velocity", DEF_VELOCITY, t_Float},
+/*  {(caddr_t *) &accel, "accel", "Acceleration", DEF_ACCEL, t_Float}, */
+  {(caddr_t *) &statictime, "statictime", "Static Time", DEF_STATICTIME, t_Int},
+  {(caddr_t *) &yspin, "yspin", "Y Spin", DEF_YSPIN, t_Float},
+  {(caddr_t *) &zspin, "zspin", "Z Spin", DEF_ZSPIN, t_Float},
+/*  {(caddr_t *) &interactive, "interactive", "Interactive", DEF_INTERACTIVE, t_Bool}, */
+  {(caddr_t *) &scarycolour, "scarycolour", "Scary Colour", DEF_SCARYCOLOUR, t_Bool},
+  {(caddr_t *) &labels, "labels", "Labels", DEF_LABELS, t_Bool},
+};
+
+ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL};
+
+/* prism models */
+#define VOFFSET 0.045
+float solid_prism_v[][3] = {
+       /* first corner, bottom left front */
+       { VOFFSET, VOFFSET, 1.0 },
+       { VOFFSET, 0.0, 1.0 - VOFFSET },
+       { 0.0, VOFFSET, 1.0 - VOFFSET },
+       /* second corner, rear */
+       { VOFFSET, VOFFSET, 0.00 },
+       { VOFFSET, 0.0, VOFFSET },
+       { 0.0, VOFFSET, VOFFSET },
+       /* third, right front */
+       { 1.0 - VOFFSET / M_SQRT1_2, VOFFSET, 1.0 },
+       { 1.0 - VOFFSET / M_SQRT1_2, 0.0, 1.0 - VOFFSET },
+       { 1.0 - VOFFSET * M_SQRT1_2, VOFFSET, 1.0 - VOFFSET },
+       /* fourth, right rear */
+       { 1.0 - VOFFSET / M_SQRT1_2, VOFFSET, 0.0 },
+       { 1.0 - VOFFSET / M_SQRT1_2, 0.0, VOFFSET },
+       { 1.0 - VOFFSET * M_SQRT1_2, VOFFSET, VOFFSET },
+       /* fifth, upper front */
+       { VOFFSET, 1.0 - VOFFSET / M_SQRT1_2, 1.0 },
+       { VOFFSET / M_SQRT1_2, 1.0 - VOFFSET * M_SQRT1_2, 1.0 - VOFFSET },
+       { 0.0, 1.0 - VOFFSET / M_SQRT1_2, 1.0 - VOFFSET},
+       /* sixth, upper rear */
+       { VOFFSET, 1.0 - VOFFSET / M_SQRT1_2, 0.0 },
+       { VOFFSET / M_SQRT1_2, 1.0 - VOFFSET * M_SQRT1_2, VOFFSET },
+       { 0.0, 1.0 - VOFFSET / M_SQRT1_2, VOFFSET }
+};
+
+/* normals */
+float solid_prism_n[][3] = {
+       /* corners */
+       { -VOFFSET, -VOFFSET, VOFFSET },
+       { VOFFSET, -VOFFSET, VOFFSET },
+       { -VOFFSET, VOFFSET, VOFFSET },
+       { -VOFFSET, -VOFFSET, -VOFFSET },
+       { VOFFSET, -VOFFSET, -VOFFSET },
+       { -VOFFSET, VOFFSET, -VOFFSET },
+       /* edges */
+       { -VOFFSET, 0.0, VOFFSET },
+       { 0.0, -VOFFSET, VOFFSET },
+       { VOFFSET, VOFFSET, VOFFSET },
+       { -VOFFSET, 0.0, -VOFFSET },
+       { 0.0, -VOFFSET, -VOFFSET },
+       { VOFFSET, VOFFSET, -VOFFSET },
+       { -VOFFSET, -VOFFSET, 0.0 },
+       { VOFFSET, -VOFFSET, 0.0 },
+       { -VOFFSET, VOFFSET, 0.0 },
+       /* faces */
+       { 0.0, 0.0, 1.0 },
+       { 0.0, -1.0, 0.0 },
+       { M_SQRT1_2, M_SQRT1_2, 0.0 },
+       { -1.0, 0.0, 0.0 },
+       { 0.0, 0.0, -1.0 }
+};
+
+/* vertices */
+float wire_prism_v[][3] = {
+       { 0.0, 0.0, 1.0 },
+       { 1.0, 0.0, 1.0 },
+       { 0.0, 1.0, 1.0 },
+       { 0.0, 0.0, 0.0 },
+       { 1.0, 0.0, 0.0 },
+       { 0.0, 1.0, 0.0 }
+};
+
+/* normals */
+float wire_prism_n[][3] = {
+       { 0.0, 0.0, 1.0},
+       { 0.0,-1.0, 0.0},
+       { M_SQRT1_2, M_SQRT1_2, 0.0},
+       {-1.0, 0.0, 0.0},
+       { 0.0, 0.0,-1.0}
+};
+
+/* default models */
+#define Z   0.0
+#define L  90.0
+#define P 180.0
+#define R 270.0
+
+static model_t default_models[] = { 
+       { "Ball", 
+               { R, R, L, L, R, L, R, R, L, R, L, L, R, R, L, L, R, L, R, R, L, R, L }
+       },
+       { "Snow",
+               { R, R, R, R, L, L, L, L, R, R, R, R, L, L, L, L, R, R, R, R, L, L, L }
+       },
+       { "Propellor",
+               { Z, Z, Z, R, L, R, Z, L, Z, Z, Z, R, L, R, Z, L, Z, Z, Z, R, L, R, Z }
+       },
+       { "Flamingo",
+               { Z, P, Z, Z, Z, Z, Z, P, R, R, P, R, L, P, L, R, P, R, R, Z, Z, Z, P }
+       },
+       { "Cat",
+               { Z, P, P, Z, P, P, Z, L, Z, P, P, Z, P, P, Z, P, P, Z, Z, Z, Z, Z, Z }
+       },
+       { "Rooster",
+               { Z, Z, P, P, Z, L, Z, L, R, P, R, Z, P, P, Z, R, P, R, L, Z, L, Z, P }
+       }
+};
+
+/* add a model to the model list */
+model_t * add_model(model_t * models, char * name, int * rotations, int * count) {
+       int i;
+       
+       (*count)++;
+       models = realloc(models, sizeof(model_t) * (*count));
+       models[(*count)-1].name = strdup(name);
+#ifdef DEBUG
+       fprintf(stderr, "resized models to %d bytes for model %s\n", sizeof(model_t) * (*count), models[(*count)-1].name);
+#endif
+       for (i = 0; i < 24; i++) {
+               models[(*count)-1].node[i] = rotations[i] * 90.0;
+       }
+       return models;
+}
+
+/* filename is the name of the file to load
+ * models is the pointer to where the models will be kept
+ * returns a new pointer to models
+ * count is number of models read
+ */
+model_t * load_modelfile(char * filename, model_t * models, int * count) {
+       int c;
+       FILE * f;
+       char buffy[256];
+       int rotations[24];
+       int name = 1;
+       int rots = 0;
+
+       f = fopen(filename, "r");
+       if (f == NULL) {
+               int error_msg_len = strlen(filename) + 33 + 1;
+               char * error_msg = (char *) malloc(sizeof(char) * error_msg_len);
+               sprintf(error_msg, "Unable to open model data file \"%s\"", filename);
+               perror(error_msg);
+               free(error_msg);
+               return models;
+       }
+               
+       while ((c = getc(f)) != EOF) {
+               switch (c) {
+                       /* ignore comments */
+                       case '#':
+                               while (c != '\n')
+                                       c = getc(f);
+                               break;
+                       case ':':
+                               buffy[name-1] = '\0';
+                               name = 0;
+                               break;
+                       case '\n':
+                               if (rots > 0) {
+#ifdef DEBUG
+                                       /* print out the model we just read in */
+                                       int i;
+                                       printf("%s: ", buffy);
+                                       for (i = 0; i < rots; i++) {
+                                               switch (rotations[i]) {
+                                                       case LEFT:
+                                                               printf("L");
+                                                               break;
+                                                       case RIGHT:
+                                                               printf("R");
+                                                               break;
+                                                       case PIN:
+                                                               printf("P");
+                                                               break;
+                                                       case ZERO:
+                                                               printf("Z");
+                                                               break;
+                                               }
+                                       }
+                                       printf("\n");
+#endif
+                                       models = add_model(models, buffy, rotations, count);
+                               }
+                               name = 1;
+                               rots = 0;
+                               break;
+                       default:
+                               if (name) {
+                                       buffy[name-1] = c;
+                                       name++;
+                                       if (name > 255)
+                                               fprintf(stderr, "buffy overflow warning\n");
+                               } else {
+                                       switch (c) {
+                                               case '0':
+                                               case 'Z':
+                                                       rotations[rots] = ZERO;
+                                                       rots++;
+                                                       break;
+                                               case '1':
+                                               case 'L':
+                                                       rotations[rots] = LEFT;
+                                                       rots++;
+                                                       break;
+                                               case '2':
+                                               case 'P':
+                                                       rotations[rots] = PIN;
+                                                       rots++;
+                                                       break;
+                                               case '3':
+                                               case 'R':
+                                                       rotations[rots] = RIGHT;
+                                                       rots++;
+                                                       break;
+                                               default:
+                                                       break;
+                                       }
+                               }
+                               break;
+               }
+       }
+       return models;
+}
+
+model_t * load_models(char * dirpath, model_t * models, int * count) {
+       char name[1024];
+       struct dirent * dp;
+       DIR * dfd;
+
+       if ((dfd = opendir(dirpath)) == NULL) {
+               if (strstr(dirpath, "data") == NULL)
+/*                     fprintf(stderr, "load_models: can't read %s/\n", dirpath); */
+               return models;
+       }
+       while ((dp = readdir(dfd)) != NULL) {
+               if (strcmp(dp->d_name, ".") == 0 || strcmp(dp->d_name, "..") == 0)
+                       continue;
+               if (strlen(dirpath) + strlen(dp->d_name) + 2 > sizeof(name))
+                       fprintf(stderr, "load_models: name %s/%s too long\n", dirpath, dp->d_name);
+               else {
+                       sprintf(name, "%s/%s", dirpath, dp->d_name);
+                       if (strcmp(&name[(int) strlen(name) - 7], "glsnake") == 0) {
+#ifdef DEBUG
+                               fprintf(stderr, "load_models: opening %s\n", name);     
+#endif
+                               models = load_modelfile(name, models, count);
+                       }
+               }
+       }
+       closedir(dfd);
+       return models;
+}
+
+/* snake metrics */
+#define X_MASK 1
+#define Y_MASK 2
+#define Z_MASK 4
+#define GETSCALAR(vec,mask) ((vec)==(mask) ? 1 : ((vec)==-(mask) ? -1 : 0 ))
+
+int cross_product(int src_dir, int dest_dir) {
+       return X_MASK * (GETSCALAR(src_dir, Y_MASK) * GETSCALAR(dest_dir, Z_MASK) -
+                       GETSCALAR(src_dir, Z_MASK) * GETSCALAR(dest_dir, Y_MASK)) +
+               Y_MASK * (GETSCALAR(src_dir, Z_MASK) * GETSCALAR(dest_dir, X_MASK) -
+                       GETSCALAR(src_dir, X_MASK) * GETSCALAR(dest_dir, Z_MASK)) +
+               Z_MASK * (GETSCALAR(src_dir, X_MASK) * GETSCALAR(dest_dir, Y_MASK) -
+                       GETSCALAR(src_dir, Y_MASK) * GETSCALAR(dest_dir, X_MASK));
+}
+
+void calc_snake_metrics(glsnake_configuration * bp) {
+       int src_dir, dest_dir;
+       int i, x, y, z;
+       int prev_src_dir = -Y_MASK;
+       int prev_dest_dir = Z_MASK;
+       int grid[25][25][25];
+
+       /* zero the grid */
+       memset(&grid, 0, sizeof(int) * 25*25*25);
+
+       bp->is_legal = 1;
+       x = y = z = 12;
+
+       /* trace path of snake and keep record for is_legal */
+       for (i = 0; i < 23; i++) {
+               /* establish new state variables */
+               src_dir = -prev_dest_dir;
+               x += GETSCALAR(prev_dest_dir, X_MASK);
+               y += GETSCALAR(prev_dest_dir, Y_MASK);
+               z += GETSCALAR(prev_dest_dir, Z_MASK);
+
+               switch ((int) bp->node[i].dest_angle) {
+                       case (int) (ZERO * 90.0):
+                               dest_dir = -prev_src_dir;
+                               break;
+                       case (int) (PIN * 90.0):
+                               dest_dir = prev_src_dir;
+                               break;
+                       case (int) (RIGHT * 90.):
+                       case (int) (LEFT * 90.0):
+                               dest_dir = cross_product(prev_src_dir, prev_dest_dir);
+                               if (bp->node[i].dest_angle == (int) (RIGHT * 90.0))
+                                       dest_dir = -dest_dir;
+                               break;
+                       default:
+                               /* prevent spurious "might be used uninitialised" warnings */
+                               dest_dir = 0;
+                               break;
+               }
+
+               if (grid[x][y][z] == 0)
+                       grid[x][y][z] = src_dir + dest_dir;
+               else if (grid[x][y][z] + src_dir + dest_dir == 0)
+                       grid[x][y][z] = 8;
+               else
+                       bp->is_legal = 0;
+
+               prev_src_dir = src_dir;
+               prev_dest_dir = dest_dir;
+       }
+
+       /* determine if the snake is cyclic */
+       bp->is_cyclic = (dest_dir == Y_MASK && x == 12 && y == 11 && x == 12);
+
+       /* determine last turn */
+       bp->last_turn = -1;
+       if (bp->is_cyclic) {
+               switch (src_dir) {
+                       case -Z_MASK:
+                               bp->last_turn = ZERO * 90.0;
+                               break;
+                       case Z_MASK:
+                               bp->last_turn = PIN * 90.0;
+                               break;
+                       case X_MASK:
+                               bp->last_turn = LEFT * 90.0;
+                               break;
+                       case -X_MASK:
+                               bp->last_turn = RIGHT * 90.0;
+                               break;
+               }
+       }
+}
+
+void set_colours(glsnake_configuration * bp, int immediate) {
+       /* set target colour */
+       if (!bp->is_legal) {
+               bp->colour_t[0] = 0.5;
+               bp->colour_t[1] = 0.5;
+               bp->colour_t[2] = 0.5;
+       } else if (bp->is_cyclic) {
+               bp->colour_t[0] = 0.4;
+               bp->colour_t[1] = 0.8;
+               bp->colour_t[2] = 0.2;
+       } else {
+               bp->colour_t[0] = 0.3;
+               bp->colour_t[1] = 0.1;
+               bp->colour_t[2] = 0.9;
+       }
+       if (immediate) {
+               bp->colour_i[0] = bp->colour_t[0] - bp->colour[0];
+               bp->colour_i[1] = bp->colour_t[1] - bp->colour[1];
+               bp->colour_i[2] = bp->colour_t[2] - bp->colour[2];
+       } else {
+               /* instead of 50.0, I should actually work out how many times this gets
+                * called during a morph */
+               bp->colour_i[0] = (bp->colour_t[0] - bp->colour[0]) / 50.0;
+               bp->colour_i[1] = (bp->colour_t[1] - bp->colour[1]) / 50.0;
+               bp->colour_i[2] = (bp->colour_t[2] - bp->colour[2]) / 50.0;
+       }
+}
+
+void start_morph(int model_index, int immediate, glsnake_configuration * bp) {
+       int i;
+
+       for (i = 0; i < 23; i++) {
+               bp->node[i].dest_angle = bp->models[model_index].node[i];
+               if (immediate)
+                       bp->node[i].cur_angle = bp->models[model_index].node[i];
+       }
+       
+       calc_snake_metrics(bp);
+       set_colours(bp, 0);
+       bp->cur_model = model_index;
+       bp->morphing = 1;
+}
+
+/* convex hull */
+
+/* model labels */
+void draw_label(ModeInfo * mi) {
+       glsnake_configuration *bp = &glc[MI_SCREEN(mi)];
+       
+       glPushAttrib(GL_TRANSFORM_BIT | GL_ENABLE_BIT);
+       glDisable(GL_LIGHTING);
+       glDisable(GL_DEPTH_TEST);
+       glMatrixMode(GL_PROJECTION);
+       glPushMatrix();
+       glLoadIdentity();
+       glMatrixMode(GL_MODELVIEW);
+       glPushMatrix();
+       glLoadIdentity();
+       gluOrtho2D(0, mi->xgwa.width, 0, mi->xgwa.height);
+       glColor3f(1.0, 1.0, 0.0);
+       {
+               char * s;
+               int i, /* w, */ l;
+
+               if (bp->interactive)
+                       s = "interactive";
+               else
+                       s = bp->models[bp->cur_model].name;
+
+               l = strlen(s);
+               /*
+               w = 0;
+               for (i = 0; i < l; i++) {
+                       w += (bp->font->per_char 
+                                       ? bp->font->per_char[((int)s[i]) - bp->font->min_char_or_byte2].rbearing 
+                                       : bp->font->min_bounds.rbearing);
+               }
+               */
+               
+               glRasterPos2f(10, mi->xgwa.height - 10 - (bp->font->ascent + bp->font->descent));
+                               /* mi->xgwa.width - w, bp->font->descent + bp->font->ascent); */
+
+               /* fprintf(stderr, "afaf.width = %d, w = %d\n", mi->xgwa.width, w); */
+               
+               for (i = 0; i < l; i++)
+                       glCallList(bp->font_list + (int)s[i]);
+       }
+       glPopMatrix();
+       glMatrixMode(GL_PROJECTION);
+       glPopMatrix();
+       glPopAttrib();
+}
+
+/* load the fonts -- this function borrowed from molecule.c */
+static void load_font(ModeInfo * mi, char * res, XFontStruct ** fontp, GLuint * dlistp) {
+       const char * font = get_string_resource(res, "Font");
+       XFontStruct * f;
+       Font id;
+       int first, last;
+
+       if (!font)
+               font = "-*-helvetica-medium-r-*-*-*-120-*";
+
+       f = XLoadQueryFont(mi->dpy, font);
+       if (!f)
+               f = XLoadQueryFont(mi->dpy, "fixed");
+
+       id = f->fid;
+       first = f->min_char_or_byte2;
+       last = f->max_char_or_byte2;
+       
+       clear_gl_error();
+       *dlistp = glGenLists((GLuint) last + 1);
+       check_gl_error("glGenLists");
+       glXUseXFont(id, first, last - first + 1, *dlistp + first);
+       check_gl_error("glXUseXFont");
+
+       *fontp = f;
+}
+
+
+
+/* window management */
+void glsnake_reshape(ModeInfo *mi, int w, int h) {
+       glViewport (0, 0, (GLint) w, (GLint) h);
+       glMatrixMode(GL_PROJECTION);
+       glLoadIdentity();
+       gluPerspective(25.0, w/(GLfloat)h, 1.0, 100.0 );
+       glMatrixMode(GL_MODELVIEW);
+       glLoadIdentity();
+}
+
+static void gl_init(ModeInfo *mi) {
+       /* glsnake_configuration *bp = &glc[MI_SCREEN(mi)]; */
+       int wire = MI_IS_WIREFRAME(mi);
+       float light_pos[][3] = {{0.0,0.0,20.0},{0.0,20.0,0.0}};
+       float light_dir[][3] = {{0.0,0.0,-20.0},{0.0,-20.0,0.0}};
+
+       glClearColor(0.0, 0.0, 0.0, 0.0);
+       glEnable(GL_DEPTH_TEST);
+       glShadeModel(GL_SMOOTH);
+       glCullFace(GL_BACK);
+       glEnable(GL_CULL_FACE);
+       glEnable(GL_NORMALIZE);
+
+       if (!wire) {
+               glColor3f(1.0, 1.0, 1.0);
+               glLightfv(GL_LIGHT0, GL_POSITION, light_pos[0]);
+               glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, light_dir[0]);
+               glLightfv(GL_LIGHT1, GL_POSITION, light_pos[1]);
+               glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, light_dir[1]);
+               glEnable(GL_LIGHTING);
+               glEnable(GL_LIGHT0);
+               glEnable(GL_LIGHT1);
+               glEnable(GL_COLOR_MATERIAL);
+       }
+}
+
+/* lifted from lament.c */
+#define RAND(n) ((long) ((random() & 0x7fffffff) % ((long) (n))))
+#define RANDSIGN() ((random() & 1) ? 1 : -1)
+
+void glsnake_init(ModeInfo *mi) {
+       glsnake_configuration * bp;
+       int wire = MI_IS_WIREFRAME(mi);
+
+       if (!glc) {
+               glc = (glsnake_configuration *) calloc(MI_NUM_SCREENS(mi), sizeof(glsnake_configuration));
+               if (!glc) {
+                       fprintf(stderr, "%s: out of memory\n", progname);
+                       exit(1);
+               }
+               bp = &glc[MI_SCREEN(mi)];
+       }
+
+       bp = &glc[MI_SCREEN(mi)];
+
+       if ((bp->glx_context = init_GL(mi)) != NULL) {
+               gl_init(mi);
+               glsnake_reshape(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+       }
+
+       /* initialise config variables */
+       memset(&bp->node, 0, sizeof(nodeang_t) * 24);
+       bp->m_count = sizeof(default_models) / sizeof(model_t); /* overwrite this in a bit */
+       bp->selected = 11;
+       bp->is_cyclic = 0;
+       bp->is_legal = 1;
+       bp->last_turn = -1;
+       bp->roty = 0.0;
+       bp->rotz = 0.0;
+       bp->morphing = 0;
+       bp->paused = 0;
+       bp->dragging = 0;
+       bp->interactive = 0;
+
+       ftime(&(bp->last_iteration));
+       memcpy(&(bp->last_morph), &(bp->last_iteration), sizeof(struct timeb));
+       /* srand((unsigned int) bp->last_iteration.time); */
+
+       /* load the model files */
+       /* first copy the defaults to bp->m_count */
+       bp->models = (model_t *) malloc(sizeof(model_t) * bp->m_count);
+       memcpy(bp->models, default_models, bp->m_count * sizeof(model_t));
+       /* then add on models from the Debian model file location */
+       bp->models = load_models("/usr/share/glsnake", bp->models, &(bp->m_count));
+
+       bp->m = bp->cur_model = RAND(bp->m_count);
+       start_morph(bp->cur_model, 1, bp);
+
+       calc_snake_metrics(bp);
+       set_colours(bp, 1);
+
+       /* set up a font for the labels */
+       if (labels)
+               load_font(mi, "labelfont", &bp->font, &bp->font_list);
+       
+       bp->node_list = glGenLists(1);
+       glNewList(bp->node_list, GL_COMPILE);
+       if (!wire) {
+               /* corners */
+               glBegin(GL_TRIANGLES);
+               glNormal3fv(solid_prism_n[0]);
+               glVertex3fv(solid_prism_v[0]);
+               glVertex3fv(solid_prism_v[2]);
+               glVertex3fv(solid_prism_v[1]);
+    
+               glNormal3fv(solid_prism_n[1]);
+               glVertex3fv(solid_prism_v[6]);
+               glVertex3fv(solid_prism_v[7]);
+               glVertex3fv(solid_prism_v[8]);
+
+               glNormal3fv(solid_prism_n[2]);
+               glVertex3fv(solid_prism_v[12]);
+               glVertex3fv(solid_prism_v[13]);
+               glVertex3fv(solid_prism_v[14]);
+    
+               glNormal3fv(solid_prism_n[3]);
+               glVertex3fv(solid_prism_v[3]);
+               glVertex3fv(solid_prism_v[4]);
+               glVertex3fv(solid_prism_v[5]);
+       
+               glNormal3fv(solid_prism_n[4]);
+               glVertex3fv(solid_prism_v[9]);
+               glVertex3fv(solid_prism_v[11]);
+               glVertex3fv(solid_prism_v[10]);
+
+               glNormal3fv(solid_prism_n[5]);
+               glVertex3fv(solid_prism_v[16]);
+               glVertex3fv(solid_prism_v[15]);
+               glVertex3fv(solid_prism_v[17]);
+               glEnd();
+
+               /* edges */
+               glBegin(GL_QUADS);
+               glNormal3fv(solid_prism_n[6]);
+               glVertex3fv(solid_prism_v[0]);
+               glVertex3fv(solid_prism_v[12]);
+               glVertex3fv(solid_prism_v[14]);
+               glVertex3fv(solid_prism_v[2]);
+       
+               glNormal3fv(solid_prism_n[7]);
+               glVertex3fv(solid_prism_v[0]);
+               glVertex3fv(solid_prism_v[1]);
+               glVertex3fv(solid_prism_v[7]);
+               glVertex3fv(solid_prism_v[6]);
+       
+               glNormal3fv(solid_prism_n[8]);
+               glVertex3fv(solid_prism_v[6]);
+               glVertex3fv(solid_prism_v[8]);
+               glVertex3fv(solid_prism_v[13]);
+               glVertex3fv(solid_prism_v[12]);
+       
+               glNormal3fv(solid_prism_n[9]);
+               glVertex3fv(solid_prism_v[3]);
+               glVertex3fv(solid_prism_v[5]);
+               glVertex3fv(solid_prism_v[17]);
+               glVertex3fv(solid_prism_v[15]);
+       
+               glNormal3fv(solid_prism_n[10]);
+               glVertex3fv(solid_prism_v[3]);
+               glVertex3fv(solid_prism_v[9]);
+               glVertex3fv(solid_prism_v[10]);
+               glVertex3fv(solid_prism_v[4]);
+       
+               glNormal3fv(solid_prism_n[11]);
+               glVertex3fv(solid_prism_v[15]);
+               glVertex3fv(solid_prism_v[16]);
+               glVertex3fv(solid_prism_v[11]);
+               glVertex3fv(solid_prism_v[9]);
+       
+               glNormal3fv(solid_prism_n[12]);
+               glVertex3fv(solid_prism_v[1]);
+               glVertex3fv(solid_prism_v[2]);
+               glVertex3fv(solid_prism_v[5]);
+               glVertex3fv(solid_prism_v[4]);
+       
+               glNormal3fv(solid_prism_n[13]);
+               glVertex3fv(solid_prism_v[8]);
+               glVertex3fv(solid_prism_v[7]);
+               glVertex3fv(solid_prism_v[10]);
+               glVertex3fv(solid_prism_v[11]);
+       
+               glNormal3fv(solid_prism_n[14]);
+               glVertex3fv(solid_prism_v[13]);
+               glVertex3fv(solid_prism_v[16]);
+               glVertex3fv(solid_prism_v[17]);
+               glVertex3fv(solid_prism_v[14]);
+               glEnd();
+       
+               /* faces */
+               glBegin(GL_TRIANGLES);
+               glNormal3fv(solid_prism_n[15]);
+               glVertex3fv(solid_prism_v[0]);
+               glVertex3fv(solid_prism_v[6]);
+               glVertex3fv(solid_prism_v[12]);
+       
+               glNormal3fv(solid_prism_n[19]);
+               glVertex3fv(solid_prism_v[3]);
+               glVertex3fv(solid_prism_v[15]);
+               glVertex3fv(solid_prism_v[9]);
+               glEnd();
+       
+               glBegin(GL_QUADS);
+               glNormal3fv(solid_prism_n[16]);
+               glVertex3fv(solid_prism_v[1]);
+               glVertex3fv(solid_prism_v[4]);
+               glVertex3fv(solid_prism_v[10]);
+               glVertex3fv(solid_prism_v[7]);
+       
+               glNormal3fv(solid_prism_n[17]);
+               glVertex3fv(solid_prism_v[8]);
+               glVertex3fv(solid_prism_v[11]);
+               glVertex3fv(solid_prism_v[16]);
+               glVertex3fv(solid_prism_v[13]);
+       
+               glNormal3fv(solid_prism_n[18]);
+               glVertex3fv(solid_prism_v[2]);
+               glVertex3fv(solid_prism_v[14]);
+               glVertex3fv(solid_prism_v[17]);
+               glVertex3fv(solid_prism_v[5]);
+               glEnd();
+       } else {
+               /* build wire display list */
+               glBegin(GL_LINE_STRIP);
+               glVertex3fv(wire_prism_v[0]);
+               glVertex3fv(wire_prism_v[1]);
+               glVertex3fv(wire_prism_v[2]);
+               glVertex3fv(wire_prism_v[0]);
+               glVertex3fv(wire_prism_v[3]);
+               glVertex3fv(wire_prism_v[4]);
+               glVertex3fv(wire_prism_v[5]);
+               glVertex3fv(wire_prism_v[3]);
+               glEnd();
+       
+               glBegin(GL_LINES);
+               glVertex3fv(wire_prism_v[1]);
+               glVertex3fv(wire_prism_v[4]);
+               glVertex3fv(wire_prism_v[2]);
+               glVertex3fv(wire_prism_v[5]);
+               glEnd();
+       }
+       glEndList();
+}
+
+/* "jwz?  no way man, he's my idle" -- Jaq, 2001.
+ * I forget the context :( */
+void glsnake_idol(glsnake_configuration * bp) {
+       /* time since last iteration */
+       long iter_msec;
+       /* time since the beginning of last morph */
+       long morf_msec;
+       float iter_angle_max;
+       int i;
+       struct timeb current_time;
+       int still_morphing;
+
+       /* Do nothing to the model if we are paused */
+       if (bp->paused) {
+               /* Avoid busy waiting when nothing is changing */
+               usleep(1);
+               return;
+       }
+       /* ftime is winDOS compatible */
+       ftime(&current_time);
+
+       /* <spiv> Well, ftime gives time with millisecond resolution.
+        * <Jaq> if current time is exactly equal to last iteration, 
+        *       then don't do this block
+        * <spiv> (or worse, perhaps... who knows what the OS will do)
+        * <spiv> So if no discernable amount of time has passed:
+        * <spiv>   a) There's no point updating the screen, because
+        *             it would be the same
+        * <spiv>   b) The code will divide by zero
+        */
+       iter_msec = (long) current_time.millitm - bp->last_iteration.millitm + 
+                   ((long) current_time.time - bp->last_iteration.time) * 1000L;
+       if (iter_msec) {
+               /* save the current time */
+               memcpy(&(bp->last_iteration), &current_time, sizeof(struct timeb));
+               
+               /* work out if we have to switch models */
+               morf_msec = bp->last_iteration.millitm - bp->last_morph.millitm +
+                       ((long) (bp->last_iteration.time - bp->last_morph.time) * 1000L);
+
+               if ((morf_msec > statictime) && !bp->interactive) {
+                       memcpy(&(bp->last_morph), &(bp->last_iteration), sizeof(struct timeb));
+                       start_morph(RAND(bp->m_count), 0, bp);
+               }
+
+               if (bp->interactive && !bp->morphing) {
+                       usleep(1);
+                       return;
+               }
+
+               if (!bp->dragging && !bp->interactive) {
+                       bp->roty += 360/((1000/yspin)/iter_msec);
+                       bp->rotz += 360/((1000/zspin)/iter_msec);
+               }
+
+               /* work out the maximum angle for this iteration */
+               iter_angle_max = 90.0 * (velocity/1000.0) * iter_msec;
+
+               still_morphing = 0;
+               for (i = 0; i < 24; i++) {
+                       float cur_angle = bp->node[i].cur_angle;
+                       float dest_angle = bp->node[i].dest_angle;
+                       if (cur_angle != dest_angle) {
+                               still_morphing = 1;
+                               if (fabs(cur_angle - dest_angle) <= iter_angle_max)
+                                       bp->node[i].cur_angle = dest_angle;
+                               else if (fmod(cur_angle - dest_angle + 360, 360) > 180)
+                                       bp->node[i].cur_angle = fmod(cur_angle + iter_angle_max, 360);
+                               else
+                                       bp->node[i].cur_angle = fmod(cur_angle + 360 - iter_angle_max, 360);
+                       }
+               }
+
+               if (!still_morphing)
+                       bp->morphing = 0;
+
+               /* colour cycling */
+               if (fabs(bp->colour[0] - bp->colour_t[0]) <= fabs(bp->colour_i[0]))
+                       bp->colour[0] = bp->colour_t[0];
+               else
+                       bp->colour[0] += bp->colour_i[0];
+               if (fabs(bp->colour[1] - bp->colour_t[1]) <= fabs(bp->colour_i[1]))
+                       bp->colour[1] = bp->colour_t[1];
+               else
+                       bp->colour[1] += bp->colour_i[1];
+               if (fabs(bp->colour[2] - bp->colour_t[2]) <= fabs(bp->colour_i[2]))
+                       bp->colour[2] = bp->colour_t[2];
+               else
+                       bp->colour[2] += bp->colour_i[2];
+       } else {
+               /* We are going too fast, so we may as well let the 
+                * cpu relax a little by sleeping for a millisecond. */
+               usleep(1);
+       }
+}
+
+void glsnake_draw(ModeInfo *mi) {
+       glsnake_configuration *bp = &glc[MI_SCREEN(mi)];
+       Display *dpy = MI_DISPLAY(mi);
+       Window window = MI_WINDOW(mi);
+
+       int i;
+       float ang;
+
+       if (!bp->glx_context)
+       return;
+
+       glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+       glMatrixMode(GL_MODELVIEW);
+       glLoadIdentity();
+       gluLookAt(0.0, 0.0, 20.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+
+       /* rotate and translate into snake space */
+       glRotatef(45.0, -5.0, 0.0, 1.0);
+       glTranslatef(-0.5, 0.0, 0.5);
+
+       /* rotate the 0th junction */
+       glTranslatef(0.5, 0.0, 0.5);
+       /* glMultMatrix(rotation); -- quaternion rotation */
+       glRotatef(bp->roty, 0.0, 1.0, 0.0);
+       glRotatef(bp->rotz, 0.0, 0.0, 1.0);
+       glTranslated(-0.5, 0.0, -0.5);
+
+       /* translate middle node to centre */
+       for (i = 11; i >= 0; i--) {
+               ang = bp->node[i].cur_angle;
+               glTranslatef(0.5, 0.5, 0.5);
+               glRotatef(180+ang, -1.0, 0.0, 0.0);
+               glTranslatef(-1.0 - explode, 0.0, 0.0);
+               glRotatef(90, 0.0, 0.0, 1.0);
+               glTranslatef(-0.5, -0.5, -0.5);
+       }
+
+       /* now draw each node along the snake */
+       for (i = 0; i < 24; i++) {
+               glPushMatrix();
+
+               /* choose a colour for this node */
+               if (bp->interactive && (i == bp->selected || i == bp->selected+1))
+                       glColor3f(1.0, 1.0, 0.0);
+               else {
+                       if (i % 2) {
+                               if (scarycolour)
+                                       glColor3f(0.6, 0.0, 0.9);
+                               else
+                                       glColor3fv(bp->colour);
+                       } else {
+                               if (scarycolour)
+                                       glColor3f(0.2, 0.9, 1.0);
+                               else
+                                       glColor3f(1.0, 1.0, 1.0);
+                       }
+               }
+
+               /* draw the node */
+               glCallList(bp->node_list);
+
+               /* now work out where to draw the next one */
+
+               /* interpolate between models */
+               ang = bp->node[i].cur_angle;
+
+               glTranslatef(0.5, 0.5, 0.5);
+               glRotatef(90, 0.0, 0.0, -1.0);
+               glTranslatef(1.0 + explode, 0.0, 0.0);
+               glRotatef(180 + ang, 1.0, 0.0, 0.0);
+               glTranslatef(-0.5, -0.5, -0.5);
+       }
+
+       /* clear up the matrix stack */
+       for (i = 0; i < 24; i++)
+               glPopMatrix();
+
+       if (labels)
+               draw_label(mi);
+       
+       if (mi->fps_p)
+               do_fps (mi);
+
+       glsnake_idol(bp);
+       
+       glFlush();
+       glXSwapBuffers(dpy, window);
+}
+
+#endif /* USE_GL */
diff --git a/hacks/glx/glsnake.man b/hacks/glx/glsnake.man

new file mode 100644 (file)

index 0000000..e6b5527
--- /dev/null
+++ b/hacks/glx/glsnake.man
@@ -0,0 +1,100 @@
+.\"                                      Hey, EMACS: -*- nroff -*-
+.TH XScreenSaver 1 "January 15, 2001" "X Version 11"
+.SH NAME
+glsnake \- OpenGL enhanced Rubik's Snake cyclewaster.
+.SH SYNOPSIS
+.B glsnake
+[\-display \fIhost:display.screen\fP] [\-window] [\-root]
+[\-visual \fIvisual\fP] [\-delay \fImicroseconds\fP] [\-fps]
+[\-wireframe] [\-scarycolour]
+[\-velocity \fIangular\fP]
+[\-explode \fIdistance\fP]
+[\-statictime \fImilliseconds\fP]
+[\-yspin \fIangle\fP]
+[\-zspin \fIangle\fP]
+.SH DESCRIPTION
+.PP
+.B glsnake
+is an imitation of Rubiks\' Snake, using OpenGL.
+.SH OPTIONS
+.I glsnake
+accepts the following options:
+.TP 8
+.B \-window
+Draw on a newly-created window.  This is the default.
+.TP 8
+.B \-root
+Draw on the root window.
+.TP 8
+.B \-install
+Install a private colormap for the window.
+.TP 8
+.B \-visual \fIvisual\fP\fP
+Specify which visual to use.  Legal values are the name of a visual class,
+or the id number (decimal or hex) of a specific visual.
+.TP 8
+.B \-fps
+Display a running tally of how many frames per second are being rendered.
+In conjunction with \fB\-delay 0\fP, this can be a useful benchmark of 
+your GL performance.
+.TP 8
+.B \-wireframe
+Display the snake in wireframe mode, rather than the default solid mode.
+.TP 8
+.B \-scarycolour
+Use the alternate colour scheme for the snake.  Shape identification using
+colour will be disabled.
+.TP 8
+.B -velocity \fIangular\fP
+Change the speed at which the snake morphs to a new shape.
+.TP 8
+.B -explode \fIdistance\fP
+Change the distance between the nodes of a snake.
+.TP 8
+.B \-statictime \fImilliseconds\fP
+Change the time between morphs.
+.TP 8
+.B \-yspin \fIangle\fP
+Change the angle of rotation around the Y axis per frame.
+.TP 8
+.B \-zspin \fIangle\fP
+Change the angle of rotation around the Z axis per frame.
+.SH ENVIRONMENT
+.PP
+.TP 8
+.B DISPLAY
+to get the default host and display number.
+.TP 8
+.B XENVIRONMENT
+to get the name of a resource file that overrides the global resources
+stored in the RESOURCE_MANAGER property.
+.SH FILES
+.TP
+\fB/usr/share/glsnake/*.glsnake\fP
+This XScreenSaver will attempt to read model files installed with the interactive \fBglsnake\fP.
+.SH SEE ALSO
+.BR X (1),
+.BR xscreensaver (1),
+.BR glsnake (6)
+.PP
+.EX
+http://spacepants.org/src/glsnake/
+.EE
+.SH BUGS
+The snake will happily intersect itself while morphing (this is not a bug).
+.PP
+The rotation/camera position sucks.
+.SH COPYRIGHT
+Copyright \(co 2001,2002 by Jamie Wilkinson, Andrew Bennetts, and Peter Aylett.
+.PP
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+.PP
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+.SH AUTHOR
+Jamie Wilkinson <jaq@spacepants.org>, Andrew Bennetts <andrew@puzzling.org>,
+and Peter Aylett <peter@ylett.com>.  Ported to XScreenSaver by Jamie Wilkinson.
diff --git a/hacks/glx/grab-ximage.c b/hacks/glx/grab-ximage.c

index 3ca543fd2e079d1e4b77ed65f317a23d2e2f9498..6a5b1fa2daa2e6474c4202c2ee525895997dacbf 100644 (file)
--- a/hacks/glx/grab-ximage.c
+++ b/hacks/glx/grab-ximage.c
@@ -21,6 +21,7 @@
  #include <GL/gl.h>     /* only for GLfloat */
  
  #include "grabscreen.h"
  #include <GL/gl.h>     /* only for GLfloat */
  
  #include "grabscreen.h"
+#include "visual.h"
  
  extern char *progname;
  
  
  extern char *progname;
  
@@ -32,14 +33,6 @@ extern char *progname;
  #undef countof
  #define countof(x) (sizeof((x))/sizeof((*x)))
  
  #undef countof
  #define countof(x) (sizeof((x))/sizeof((*x)))
  
-static Bool
-bigendian (void)
-{
-  union { int i; char c[sizeof(int)]; } u;
-  u.i = 1;
-  return !u.c[0];
-}
-
  /* return the next larger power of 2. */
  static int
  to_pow2 (int i)
  /* return the next larger power of 2. */
  static int
  to_pow2 (int i)
@@ -53,6 +46,45 @@ to_pow2 (int i)
  }
  
  
  }
  
  
+/* Given a bitmask, returns the position and width of the field.
+ */
+static void
+decode_mask (unsigned int mask, unsigned int *pos_ret, unsigned int *size_ret)
+{
+  int i;
+  for (i = 0; i < 32; i++)
+    if (mask & (1L << i))
+      {
+        int j = 0;
+        *pos_ret = i;
+        for (; i < 32; i++, j++)
+          if (! (mask & (1L << i)))
+            break;
+        *size_ret = j;
+        return;
+      }
+}
+
+
+/* Given a value and a field-width, expands the field to fill out 8 bits.
+ */
+static unsigned char
+spread_bits (unsigned char value, unsigned char width)
+{
+  switch (width)
+    {
+    case 8: return value;
+    case 7: return (value << 1) | (value >> 6);
+    case 6: return (value << 2) | (value >> 4);
+    case 5: return (value << 3) | (value >> 2);
+    case 4: return (value << 4) | (value);
+    case 3: return (value << 5) | (value << 2) | (value >> 2);
+    case 2: return (value << 6) | (value << 4) | (value);
+    default: abort(); break;
+    }
+}
+
+
  /* Returns an XImage structure containing an image of the desktop.
     (As a side-effect, that image will be painted onto the given Window.)
     This XImage will be 32 bits per pixel, 8 each per R, G, and B, with the
  /* Returns an XImage structure containing an image of the desktop.
     (As a side-effect, that image will be painted onto the given Window.)
     This XImage will be 32 bits per pixel, 8 each per R, G, and B, with the
@@ -80,6 +112,7 @@ screen_to_ximage (Screen *screen, Window window)
     */
    {
      XImage *ximage1, *ximage2;
     */
    {
      XImage *ximage1, *ximage2;
+    XColor *colors = 0;
  
      ximage1 = XGetImage (dpy, window, 0, 0, win_width, win_height, ~0L,
                           ZPixmap);
  
      ximage1 = XGetImage (dpy, window, 0, 0, win_width, win_height, ~0L,
                           ZPixmap);
@@ -88,6 +121,22 @@ screen_to_ximage (Screen *screen, Window window)
  
      ximage2->data = (char *) calloc (tex_height, ximage2->bytes_per_line);
  
  
      ximage2->data = (char *) calloc (tex_height, ximage2->bytes_per_line);
  
+    {
+      Screen *dscreen = DefaultScreenOfDisplay (dpy);
+      Visual *dvisual = DefaultVisualOfScreen (dscreen);
+      if (visual_class (dscreen, dvisual) == PseudoColor ||
+          visual_class (dscreen, dvisual) == GrayScale)
+        {
+          Colormap cmap = DefaultColormapOfScreen(dscreen);
+          int ncolors = visual_cells (dscreen, dvisual);
+          int i;
+          colors = (XColor *) calloc (sizeof (*colors), ncolors+1);
+          for (i = 0; i < ncolors; i++)
+            colors[i].pixel = i;
+          XQueryColors (dpy, cmap, colors, ncolors);
+        }
+    }
+
      /* Translate the server-ordered image to a client-ordered image.
       */
      {
      /* Translate the server-ordered image to a client-ordered image.
       */
      {
@@ -95,25 +144,33 @@ screen_to_ximage (Screen *screen, Window window)
        int crpos, cgpos, cbpos, capos;  /* bitfield positions */
        int srpos, sgpos, sbpos;
        int srmsk, sgmsk, sbmsk;
        int crpos, cgpos, cbpos, capos;  /* bitfield positions */
        int srpos, sgpos, sbpos;
        int srmsk, sgmsk, sbmsk;
-      int sdepth = ximage1->depth;
+      int srsiz, sgsiz, sbsiz;
+      int i;
+
+      unsigned char spread_map[3][256];
  
        srmsk = ximage1->red_mask;
        sgmsk = ximage1->green_mask;
        sbmsk = ximage1->blue_mask;
  
        srmsk = ximage1->red_mask;
        sgmsk = ximage1->green_mask;
        sbmsk = ximage1->blue_mask;
-      if (sdepth == 32 || sdepth == 24)
-        srpos = 16, sgpos = 8, sbpos = 0;
-      else /* 15 or 16 */
-        srpos = 10, sgpos = 5, sbpos = 0;
+
+      decode_mask (srmsk, &srpos, &srsiz);
+      decode_mask (sgmsk, &sgpos, &sgsiz);
+      decode_mask (sbmsk, &sbpos, &sbsiz);
  
        /* Note that unlike X, which is endianness-agnostic (since any XImage
           can have its own specific bit ordering, with the server reversing
           things as necessary) OpenGL pretends everything is client-side, so
  
        /* Note that unlike X, which is endianness-agnostic (since any XImage
           can have its own specific bit ordering, with the server reversing
           things as necessary) OpenGL pretends everything is client-side, so
-         we need to pack things in the right order for the client machine.
+         we need to pack things in "RGBA" order on the client machine,
+         regardless of its endianness.
         */
         */
-      if (bigendian())
-        crpos = 24, cgpos = 16, cbpos =  8, capos =  0;
-      else
-        crpos =  0, cgpos =  8, cbpos = 16, capos = 24;
+      crpos =  0, cgpos =  8, cbpos = 16, capos = 24;
+
+      for (i = 0; i < 256; i++)
+        {
+          spread_map[0][i] = spread_bits (i, srsiz);
+          spread_map[1][i] = spread_bits (i, sgsiz);
+          spread_map[2][i] = spread_bits (i, sbsiz);
+        }
  
        for (y = 0; y < win_height; y++)
          {
  
        for (y = 0; y < win_height; y++)
          {
@@ -121,26 +178,37 @@ screen_to_ximage (Screen *screen, Window window)
            for (x = 0; x < win_width; x++)
              {
                unsigned long sp = XGetPixel (ximage1, x, y2);
            for (x = 0; x < win_width; x++)
              {
                unsigned long sp = XGetPixel (ximage1, x, y2);
-              unsigned char sr = (sp & srmsk) >> srpos;
-              unsigned char sg = (sp & sgmsk) >> sgpos;
-              unsigned char sb = (sp & sbmsk) >> sbpos;
+              unsigned char sr, sg, sb;
                unsigned long cp;
  
                unsigned long cp;
  
-              if (sdepth < 24)   /* spread 5 bits to 8 */
+              if (colors)
                  {
                  {
-                  sr = (sr << 3) | (sr >> 2);
-                  sg = (sg << 3) | (sg >> 2);
-                  sb = (sb << 3) | (sb >> 2);
+                  sr = colors[sp].red   & 0xFF;
+                  sg = colors[sp].green & 0xFF;
+                  sb = colors[sp].blue  & 0xFF;
                  }
                  }
+              else
+                {
+                  sr = (sp & srmsk) >> srpos;
+                  sg = (sp & sgmsk) >> sgpos;
+                  sb = (sp & sbmsk) >> sbpos;
+
+                  sr = spread_map[0][sr];
+                  sg = spread_map[1][sg];
+                  sb = spread_map[2][sb];
+                }
+
                cp = ((sr << crpos) |
                      (sg << cgpos) |
                      (sb << cbpos) |
                      (0xFF << capos));
                cp = ((sr << crpos) |
                      (sg << cgpos) |
                      (sb << cbpos) |
                      (0xFF << capos));
+
                XPutPixel (ximage2, x, y, cp);
              }
          }
      }
  
                XPutPixel (ximage2, x, y, cp);
              }
          }
      }
  
+    if (colors) free (colors);
      free (ximage1->data);
      ximage1->data = 0;
      XDestroyImage (ximage1);
      free (ximage1->data);
      ximage1->data = 0;
      XDestroyImage (ximage1);
diff --git a/hacks/glx/lament.c b/hacks/glx/lament.c

index 3f5080c04d0b0b0650b988c7df94d29c732c7850..aedc57d421df8ebb1eaef93d86bc02a996e104e0 100644 (file)
--- a/hacks/glx/lament.c
+++ b/hacks/glx/lament.c
@@ -109,6 +109,7 @@ static argtype vars[] = {
  ModeSpecOpt lament_opts = {countof(opts), opts, countof(vars), vars, NULL};
  
  #include "xpm-ximage.h"
  ModeSpecOpt lament_opts = {countof(opts), opts, countof(vars), vars, NULL};
  
  #include "xpm-ximage.h"
+
  #include "../images/lament.xpm"
  
  #define RAND(n) ((long) ((random() & 0x7fffffff) % ((long) (n))))
  #include "../images/lament.xpm"
  
  #define RAND(n) ((long) ((random() & 0x7fffffff) % ((long) (n))))
diff --git a/hacks/glx/molecule.c b/hacks/glx/molecule.c

index cb2932eb7168c232dec3fe8cc102371f3c069191..02b8362461a5285bf26fd8661f602fb715da9085 100644 (file)
--- a/hacks/glx/molecule.c
+++ b/hacks/glx/molecule.c
@@ -112,6 +112,7 @@
  
  #ifdef USE_GL /* whole file */
  
  
  #ifdef USE_GL /* whole file */
  
+#include <stdlib.h>
  #include <ctype.h>
  #include <GL/glu.h>
  
  #include <ctype.h>
  #include <GL/glu.h>
  
@@ -1034,13 +1035,34 @@ parse_pdb_file (molecule *m, const char *name)
  }
  
  
  }
  
  
+typedef struct { char *atom; int count; } atom_and_count;
+
+/* When listing the components of a molecule, the convention is to put the
+   carbon atoms first, the hydrogen atoms second, and the other atom types
+   sorted alphabetically after that (although for some molecules, the usual
+   order is different, like for NH(3), but we don't special-case those.)
+ */
+static int
+cmp_atoms (const void *aa, const void *bb)
+{
+  const atom_and_count *a = (atom_and_count *) aa;
+  const atom_and_count *b = (atom_and_count *) bb;
+  if (!a->atom) return  1;
+  if (!b->atom) return -1;
+  if (!strcmp(a->atom, "C")) return -1;
+  if (!strcmp(b->atom, "C")) return  1;
+  if (!strcmp(a->atom, "H")) return -1;
+  if (!strcmp(b->atom, "H")) return  1;
+  return strcmp (a->atom, b->atom);
+}
+
  static void
  generate_molecule_formula (molecule *m)
  {
    char *buf = (char *) malloc (m->natoms * 10);
    char *s = buf;
    int i;
  static void
  generate_molecule_formula (molecule *m)
  {
    char *buf = (char *) malloc (m->natoms * 10);
    char *s = buf;
    int i;
-  struct { char *atom; int count; } counts[200];
+  atom_and_count counts[200];
    memset (counts, 0, sizeof(counts));
    *s = 0;
    for (i = 0; i < m->natoms; i++)
    memset (counts, 0, sizeof(counts));
    *s = 0;
    for (i = 0; i < m->natoms; i++)
@@ -1061,6 +1083,10 @@ generate_molecule_formula (molecule *m)
        counts[j].count++;
      }
  
        counts[j].count++;
      }
  
+  i = 0;
+  while (counts[i].atom) i++;
+  qsort (counts, i, sizeof(*counts), cmp_atoms);
+
    i = 0;
    while (counts[i].atom)
      {
    i = 0;
    while (counts[i].atom)
      {
diff --git a/hacks/glx/pulsar.c b/hacks/glx/pulsar.c

index a7695027e983fc84de1c834fcc352122f1bb26a0..9d894f4085e6b0555eec17a19517966e9f454c5e 100644 (file)
--- a/hacks/glx/pulsar.c
+++ b/hacks/glx/pulsar.c
@@ -74,13 +74,6 @@
  
  #ifdef USE_GL /* whole file */
  
  
  #ifdef USE_GL /* whole file */
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-# ifndef PIXEL_ALREADY_TYPEDEFED
-# define PIXEL_ALREADY_TYPEDEFED /* Sigh, Xmu/Drawing.h needs this... */
-# endif
-#endif
-
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Drawing.h>
  #ifdef HAVE_XMU
  # ifndef VMS
  #  include <X11/Xmu/Drawing.h>
@@ -93,9 +86,9 @@
  #include <GL/gl.h>
  #include <GL/glu.h>
  
  #include <GL/gl.h>
  #include <GL/glu.h>
  
-#include <string.h>
-#include <malloc.h>
+#include <stdlib.h>
  #include <stdio.h>
  #include <stdio.h>
+#include <string.h>
  
  /* Functions for loading and storing textures */
  
  
  /* Functions for loading and storing textures */
  
diff --git a/hacks/glx/sballs.c b/hacks/glx/sballs.c

new file mode 100644 (file)

index 0000000..b8c3e74
--- /dev/null
+++ b/hacks/glx/sballs.c
@@ -0,0 +1,865 @@
+/* sballs --- balls spinning like crazy in GL */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)sballs.c     5.02 2001/03/10 xlockmore";
+#endif
+
+/* Copyright (c) E. Lassauge, 2001. */
+
+/*
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * The original code for this mode was written by 
+ * Mustata Bogdan (LoneRunner) <lonerunner@planetquake.com>
+ * and can be found at http://www.cfxweb.net/lonerunner/
+ *
+ * Eric Lassauge  (November-07-2000) <lassauge@mail.dotcom.fr>
+ *                                 http://lassauge.free.fr/linux.html
+ *
+ * REVISION HISTORY:
+ *
+ * E.Lassauge - 03-Oct-2001:
+ *      - minor bugfixes - get ready for xscreensaver
+ * E.Lassauge - 09-Mar-2001:
+ *      - get rid of my framerate options to use showfps
+ * E.Lassauge - 28-Nov-2000:
+ *      - add handling of polyhedrons (like in ico)
+ *      - modified release part to add freeing of GL objects
+ * E.Lassauge - 14-Nov-2000:
+ *      - use new common xpm_to_ximage function
+ *
+ */
+
+#ifdef STANDALONE      /* xscreensaver mode */
+#define PROGCLASS      "Sballs"
+#define HACK_INIT      init_sballs
+#define HACK_DRAW      draw_sballs
+#define HACK_RESHAPE   reshape_sballs
+#define sballs_opts    xlockmore_opts
+#define DEFAULTS       "*delay:        10000 \n" \
+                       "*size:             0 \n" \
+                       "*cycles:          10 \n" \
+                       "*object:           0 \n" \
+                       "*trackmouse:   False \n" \
+                       "*showFPS:      False \n" \
+                       "*wireframe:    False \n" \
+                       "*texture:      True  \n"
+
+#define MODE_sballs
+#include "xlockmore.h"         /* from the xscreensaver distribution */
+#else                          /* !STANDALONE */
+#include "xlock.h"             /* from the xlockmore distribution */
+#include "visgl.h"
+#endif                         /* !STANDALONE */
+
+#ifdef MODE_sballs
+
+#define MINSIZE        32      /* minimal viewport size */
+#define FRAME           50      /* frame count interval */
+#define MAX_OBJ                8       /* number of 3D objects */
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <GL/glu.h>
+
+#if defined( USE_XPM ) || defined( USE_XPMINC ) || defined( HAVE_XPM )
+/* USE_XPM & USE_XPMINC in xlock mode ; HAVE_XPM in xscreensaver mode */
+#include "xpm-ximage.h"
+#define I_HAVE_XPM
+
+#ifdef STANDALONE
+#include "../images/sball.xpm"
+#include "../images/sball-bg.xpm"
+#else /* !STANDALONE */
+#include "pixmaps/sball.xpm"
+#include "pixmaps/sball-bg.xpm"
+#endif /* !STANDALONE */
+#endif /* HAVE_XPM */
+
+/* Manage option vars */
+#define DEF_TEXTURE    "True"
+#define DEF_TRACKMOUSE  "False"
+#define DEF_OBJECT     "2"
+#define DEF_OBJECT_INDX        2
+static Bool do_texture;
+static Bool do_trackmouse;
+static int  object;
+static int  spheres;
+
+static XrmOptionDescRec opts[] = {
+    {(char *) "-texture", (char *) ".sballs.texture", XrmoptionNoArg, (caddr_t) "on"},
+    {(char *) "+texture", (char *) ".sballs.texture", XrmoptionNoArg, (caddr_t) "off"},
+    {(char *) "-trackmouse", (char *) ".sballs.trackmouse", XrmoptionNoArg, (caddr_t) "on"},
+    {(char *) "+trackmouse", (char *) ".sballs.trackmouse", XrmoptionNoArg, (caddr_t) "off"},
+    {(char *) "-object", (char *) ".sballs.object", XrmoptionSepArg, (caddr_t) NULL},
+
+};
+
+static argtype vars[] = {
+    {(caddr_t *) & do_texture, (char *) "texture", (char *) "Texture", (char *) DEF_TEXTURE, t_Bool},
+    {(caddr_t *) & do_trackmouse, (char *) "trackmouse", (char *) "TrackMouse", (char *) DEF_TRACKMOUSE, t_Bool},
+    {(caddr_t *) & object, (char *) "object", (char *) "Object", (char *) DEF_OBJECT, t_Int},
+
+};
+
+static OptionStruct desc[] = {
+    /*{(char *) "-count spheres", (char *) "set number of spheres"},*/
+    /*{(char *) "-cycles speed", (char *) "set ball speed value"},*/
+    {(char *) "-/+texture", (char *) "turn on/off texturing"},
+    {(char *) "-/+trackmouse", (char *) "turn on/off the tracking of the mouse"},
+    {(char *) "-object num", (char *) "number of the 3D object (0 means random)"},
+};
+
+ModeSpecOpt sballs_opts =
+ { sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc };
+
+#ifdef USE_MODULES
+ModStruct sballs_description =
+    { "sballs", "init_sballs", "draw_sballs", "release_sballs",
+    "draw_sballs", "change_sballs", (char *) NULL, &sballs_opts,
+    /*
+    delay,count,cycles,size,ncolors,sat
+     */
+    10000, 0, 10, 400, 64, 1.0, "",
+    "balls spinning like crazy in GL", 0, NULL
+};
+#endif /* USE_MODULES */
+
+/* misc types and defines */
+#define vinit(a,i,j,k) {\
+  (a)[0]=i;\
+  (a)[1]=j;\
+  (a)[2]=k;\
+}
+typedef float vec_t;
+typedef vec_t vec3_t[3];
+
+#define MAX_BALLS      20
+
+/* the mode struct, contains all per screen variables */
+typedef struct {
+    GLint WIDTH, HEIGHT;       /* display dimensions */
+    GLXContext *glx_context;
+
+
+    XImage *btexture;          /* back texture image bits */
+    XImage *ftexture;          /* face texture image bits */
+    GLuint backid;             /* back texture id: GL world */
+    GLuint faceid;             /* face texture id: GL world */
+
+    vec3_t eye;
+    vec3_t rot;
+    vec3_t rotm;
+    int speed;
+    float radius[MAX_BALLS];
+
+} sballsstruct;
+
+/* array of sballsstruct indexed by screen number */
+static sballsstruct *sballs = (sballsstruct *) NULL;
+
+/* lights */
+static float LightAmbient[]=   { 1.0f, 1.0f, 1.0f, 1.0f };
+static float LightDiffuse[]=   { 1.0f, 1.0f, 1.0f, 1.0f };
+static float LightPosition[]=  { 0.0f, 0.0f, 4.0f, 1.0f };
+
+/* structure of the polyhedras */
+typedef struct {
+        const char *longname;   /* long name of object */
+        const char *shortname;  /* short name of object */
+        int         numverts;   /* number of vertices */
+        float      radius;     /* radius */
+        vec3_t      v[MAX_BALLS];/* the vertices */
+} Polyinfo;
+
+static Polyinfo polygons[] =
+{
+
+/* 0: objtetra - structure values for tetrahedron */
+        {
+                "tetrahedron", "tetra",         /* long and short names */
+                4,                             /* number of vertices */
+               0.8,
+                {                              /* vertices (x,y,z) */
+                        /* all points must be within radius 2 of the origin */
+#define T 1.0
+                        {T, T, T},
+                        {T, -T, -T},
+                        {-T, T, -T},
+                        {-T, -T, T},
+#undef T
+                }
+        },
+
+/* 1: objcube - structure values for cube */
+
+        {
+                "hexahedron", "cube",           /* long and short names */
+                8,                             /* number of vertices, edges, and faces */
+               0.6,
+                {                              /* vertices (x,y,z) */
+                        /* all points must be within radius 2 of the origin */
+#define T 1.0
+                        {T, T, T},
+                        {T, T, -T},
+                        {T, -T, -T},
+                        {T, -T, T},
+                        {-T, T, T},
+                        {-T, T, -T},
+                        {-T, -T, -T},
+                        {-T, -T, T},
+#undef T
+                }
+        },
+
+/* 2: objocta - structure values for octahedron */
+
+        {
+                "octahedron", "octa",   /* long and short names */
+                6,                     /* number of vertices */
+               0.6,
+                {                      /* vertices (x,y,z) */
+                        /* all points must be within radius 2 of the origin */
+#define T 1.5
+                        {T, 0, 0},
+                        {-T, 0, 0},
+                        {0, T, 0},
+                        {0, -T, 0},
+                        {0, 0, T},
+                        {0, 0, -T},
+#undef T
+                }
+        },
+/* 3: objdodec - structure values for dodecahedron */
+
+        {
+                "dodecahedron", "dodeca",       /* long and short names */
+                20,                            /* number of vertices */
+               0.35,
+                {                              /* vertices (x,y,z) */
+                        /* all points must be within radius 2 of the origin */
+                        {0.000000, 0.500000, 1.000000},
+                        {0.000000, -0.500000, 1.000000},
+                        {0.000000, -0.500000, -1.000000},
+                        {0.000000, 0.500000, -1.000000},
+                        {1.000000, 0.000000, 0.500000},
+                        {-1.000000, 0.000000, 0.500000},
+                        {-1.000000, 0.000000, -0.500000},
+                        {1.000000, 0.000000, -0.500000},
+                        {0.500000, 1.000000, 0.000000},
+                        {-0.500000, 1.000000, 0.000000},
+                        {-0.500000, -1.000000, 0.000000},
+                        {0.500000, -1.000000, 0.000000},
+                        {0.750000, 0.750000, 0.750000},
+                        {-0.750000, 0.750000, 0.750000},
+                        {-0.750000, -0.750000, 0.750000},
+                        {0.750000, -0.750000, 0.750000},
+                        {0.750000, -0.750000, -0.750000},
+                        {0.750000, 0.750000, -0.750000},
+                        {-0.750000, 0.750000, -0.750000},
+                        {-0.750000, -0.750000, -0.750000},
+                }
+        },
+
+/* 4: objicosa - structure values for icosahedron */
+
+        {
+                "icosahedron", "icosa",         /* long and short names */
+                12,                            /* number of vertices */
+               0.4,
+                {                              /* vertices (x,y,z) */
+                        /* all points must be within radius 2 of the origin */
+                        {0.00000000, 0.00000000, -0.95105650},
+                        {0.00000000, 0.85065080, -0.42532537},
+                        {0.80901698, 0.26286556, -0.42532537},
+                        {0.50000000, -0.68819095, -0.42532537},
+                        {-0.50000000, -0.68819095, -0.42532537},
+                        {-0.80901698, 0.26286556, -0.42532537},
+                        {0.50000000, 0.68819095, 0.42532537},
+                        {0.80901698, -0.26286556, 0.42532537},
+                        {0.00000000, -0.85065080, 0.42532537},
+                        {-0.80901698, -0.26286556, 0.42532537},
+                        {-0.50000000, 0.68819095, 0.42532537},
+                        {0.00000000, 0.00000000, 0.95105650}
+                }
+        },
+
+/* 5: objplane - structure values for plane */
+
+        {
+                "plane", "plane",       /* long and short names */
+                4,                     /* number of vertices */
+               0.7,
+                {                      /* vertices (x,y,z) */
+                        /* all points must be within radius 2 of the origin */
+#define T 1.1
+                        {T, 0, 0},
+                        {-T, 0, 0},
+                        {0, T, 0},
+                        {0, -T, 0},
+#undef T
+                }
+        },
+
+/* 6: objpyr - structure values for pyramid */
+
+        {
+                "pyramid", "pyramid",   /* long and short names */
+                5,                     /* number of vertices */ 
+               0.5,
+                {                      /* vertices (x,y,z) */
+                        /* all points must be within radius 1 of the origin */
+#define T 1.0
+                        {T, 0, 0},
+                        {-T, 0, 0},
+                        {0, T, 0},
+                        {0, -T, 0},
+                        {0, 0, T},
+#undef T
+                }
+        },
+
+/* 7: objstar - structure values for octahedron star (stellated octahedron?) */
+        {
+                "star", "star", /* long and short names */
+                8,             /* number of vertices */
+               0.7,
+                {               /* vertices (x,y,z) */
+                        /* all points must be within radius 1 of the origin */
+#define T 0.9
+                        {T, T, T},
+                        {T, -T, -T},
+                        {-T, T, -T},
+                        {-T, -T, T},
+                        {-T, -T, -T},
+                        {-T, T, T},
+                        {T, -T, T},
+                        {T, T, -T},
+#undef T
+                }
+        },
+
+};
+
+
+
+
+/*
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ *    Misc funcs.
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ */
+
+static void clamp(vec3_t v)
+{
+    int i;
+
+    for (i = 0; i < 3; i ++)
+        if (v[i] > 360 || v[i] < -360)
+            v[i] = 0;
+}
+
+/* track the mouse in a joystick manner : not perfect but it works */
+static void trackmouse(ModeInfo * mi)
+{
+    sballsstruct *sb = &sballs[MI_SCREEN(mi)];
+    /* we keep static values (not per screen) for the mouse stuff: in general you have only one mouse :-> */
+    static int max[2] = { 0, 0 };
+    static int min[2] = { 0x7fffffff, 0x7fffffff }, center[2];
+    Window r, c;
+    int rx, ry, cx, cy;
+    unsigned int m;
+
+    (void) XQueryPointer(MI_DISPLAY(mi), MI_WINDOW(mi),
+                        &r, &c, &rx, &ry, &cx, &cy, &m);
+
+    if (max[0] < cx)
+       max[0] = cx;
+    if (min[0] > cx)
+       min[0] = cx;
+    center[0] = (max[0] + min[0]) / 2;
+
+    if (max[1] < cy)
+       max[1] = cy;
+    if (min[1] > cy)
+       min[1] = cy;
+    center[1] = (max[1] + min[1]) / 2;
+
+    if (fabs(center[0] - (float) cx) > 0.1 * (max[0] - min[0]))
+       sb->rot[0] -= ((center[0] - (float) cx) / (max[0] - min[0]) * 180.0f) / 200.0f;
+    if (fabs(center[1] - (float) cy) > 0.1 * (max[1] - min[1]))
+        sb->rot[1] -= ((center[1] - (float) cy) / (max[1] - min[1]) * 180.0f) / 200.0f;;
+    clamp(sb->rot);
+
+    /* oops: can't get those buttons */
+    if (m & Button4Mask)
+        sb->speed++;
+    if (m & Button5Mask)
+        sb->speed--;
+
+}
+
+/* initialise textures */
+static void inittextures(ModeInfo * mi)
+{
+    sballsstruct *sb = &sballs[MI_SCREEN(mi)];
+
+#if defined( I_HAVE_XPM )
+    if (do_texture) {
+
+       glGenTextures(1, &sb->backid);
+#ifdef HAVE_GLBINDTEXTURE
+       glBindTexture(GL_TEXTURE_2D, sb->backid);
+#endif /* HAVE_GLBINDTEXTURE */
+
+        sb->btexture = xpm_to_ximage(MI_DISPLAY(mi),
+                                     MI_VISUAL(mi),
+                                     MI_COLORMAP(mi),
+                                     sball_bg);
+       if (!(sb->btexture)) {
+           (void) fprintf(stderr, "Error reading the background texture.\n");
+            glDeleteTextures(1, &sb->backid);
+            do_texture = False;
+            sb->faceid = 0;       /* default textures */
+            sb->backid = 0;
+           return;
+       }
+
+       glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+        clear_gl_error();
+       glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+                    sb->btexture->width, sb->btexture->height, 0,
+                    GL_RGBA, GL_UNSIGNED_BYTE, sb->btexture->data);
+        check_gl_error("texture");
+
+       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+
+       glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+       glGenTextures(1, &sb->faceid);
+#ifdef HAVE_GLBINDTEXTURE
+       glBindTexture(GL_TEXTURE_2D, sb->faceid);
+#endif /* HAVE_GLBINDTEXTURE */
+
+        sb->ftexture = xpm_to_ximage(MI_DISPLAY(mi),
+                                     MI_VISUAL(mi),
+                                     MI_COLORMAP(mi),
+                                     sball);
+       if (!(sb->ftexture)) {
+           (void) fprintf(stderr, "Error reading the face texture.\n");
+            glDeleteTextures(1, &sb->faceid);
+           sb->faceid = 0;
+           return;
+       }
+
+       glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+        clear_gl_error();
+       glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+                    sb->ftexture->width, sb->ftexture->height, 0,
+                    GL_RGBA, GL_UNSIGNED_BYTE, sb->ftexture->data);
+        check_gl_error("texture");
+
+       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+
+       glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+    }
+    else
+    {
+        sb->faceid = 0;       /* default textures */
+        sb->backid = 0;
+    }
+#else /* !I_HAVE_XPM */
+  do_texture = False;
+  sb->faceid = 0;       /* default textures */
+  sb->backid = 0;
+#endif /* !I_HAVE_XPM */
+}
+
+static void drawSphere(ModeInfo * mi,int sphere_num)
+{
+  sballsstruct *sb = &sballs[MI_SCREEN(mi)];
+  float x = polygons[object].v[sphere_num][0];
+  float y = polygons[object].v[sphere_num][1];
+  float z = polygons[object].v[sphere_num][2];
+  int numMajor = 10;
+  int numMinor = 10;
+  float radius = sb->radius[sphere_num];
+  double majorStep = (M_PI / numMajor);
+  double minorStep = (2.0 * M_PI / numMinor);
+  int i, j;
+
+  glPushMatrix();
+  glTranslatef(x, y, z);
+
+  glColor4f(1, 1, 1, 1);
+  for (i = 0; i < numMajor; ++i)
+  {
+    double a = i * majorStep;
+    double b = a + majorStep;
+    double r0 = radius * sin(a);
+    double r1 = radius * sin(b);
+    GLfloat z0 = radius * cos(a);
+    GLfloat z1 = radius * cos(b);
+
+    glBegin(MI_IS_WIREFRAME(mi) ? GL_LINE_STRIP: GL_TRIANGLE_STRIP);
+    for (j = 0; j <= numMinor; ++j)
+        {
+      double c = j * minorStep;
+      GLfloat x = cos(c);
+      GLfloat y = sin(c);
+
+      glNormal3f((x * r0) / radius, (y * r0) / radius, z0 / radius);
+      glTexCoord2f(j / (GLfloat) numMinor, i / (GLfloat) numMajor);
+      glVertex3f(x * r0, y * r0, z0);
+
+      glNormal3f((x * r1) / radius, (y * r1) / radius, z1 / radius);
+      glTexCoord2f(j / (GLfloat) numMinor, (i + 1) / (GLfloat) numMajor);
+      glVertex3f(x * r1, y * r1, z1);
+    }
+    glEnd();
+  }
+
+  glPopMatrix();
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ *    GL funcs.
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ */
+
+#ifndef STANDALONE
+static void Reshape(ModeInfo * mi)
+#else
+void reshape_sballs(ModeInfo * mi, int width, int height)
+#endif
+{
+
+    sballsstruct *sb = &sballs[MI_SCREEN(mi)];
+    int size = MI_SIZE(mi);
+
+    /* Viewport is specified size if size >= MINSIZE && size < screensize */
+    if (size <= 1) {
+        sb->WIDTH = MI_WIDTH(mi);
+        sb->HEIGHT = MI_HEIGHT(mi);
+    } else if (size < MINSIZE) {
+        sb->WIDTH = MINSIZE;
+        sb->HEIGHT = MINSIZE;
+    } else {
+        sb->WIDTH = (size > MI_WIDTH(mi)) ? MI_WIDTH(mi) : size;
+        sb->HEIGHT = (size > MI_HEIGHT(mi)) ? MI_HEIGHT(mi) : size;
+    }
+    glViewport((MI_WIDTH(mi) - sb->WIDTH) / 2, (MI_HEIGHT(mi) - sb->HEIGHT) / 2, sb->WIDTH, sb->HEIGHT);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(55.0, (float)sb->WIDTH / (float) sb->HEIGHT, 1.0, 300.0);
+
+    glMatrixMode(GL_MODELVIEW);
+
+}
+
+static void Draw(ModeInfo * mi)
+{
+    sballsstruct *sb = &sballs[MI_SCREEN(mi)];
+    int sphere;
+
+    if (do_trackmouse && !MI_IS_ICONIC(mi))
+       trackmouse(mi);
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix();
+    glEnable(GL_DEPTH_TEST);
+
+    /* move eyes */
+    glTranslatef (-sb->eye[0], -sb->eye[1], -sb->eye[2]);
+
+    /* draw background */
+    if (do_texture)
+    {
+       glEnable(GL_LIGHTING);
+       glEnable(GL_TEXTURE_2D);
+       glColor3f(1, 1, 1);
+#ifdef HAVE_GLBINDTEXTURE
+       glBindTexture(GL_TEXTURE_2D, sb->backid);
+#endif /* HAVE_GLBINDTEXTURE */
+    }
+    else
+    {
+       glColor3f(0, 0, 0);
+    }
+    glBegin(GL_QUAD_STRIP);
+    glNormal3f(0, 0, 1); glTexCoord2f(0,0); glVertex3f(8, 4.1, -4);
+    glNormal3f(0, 0, 1); glTexCoord2f(0,1); glVertex3f(8, -4.1, -4);
+    glNormal3f(0, 0, 1); glTexCoord2f(1,0); glVertex3f(-8, 4.1, -4);
+    glNormal3f(0, 0, 1); glTexCoord2f(1,1); glVertex3f(-8, -4.1, -4);
+    glEnd();
+
+    /* rotate the mouse */
+    glRotatef(sb->rot[0], 1.0f, 0.0f, 0.0f);
+    glRotatef(sb->rot[1], 0.0f, 1.0f, 0.0f);
+    glRotatef(sb->rot[2], 0.0f, 0.0f, 1.0f);
+
+    /* rotate the balls */
+    glRotatef(sb->rotm[0], 1.0f, 0.0f, 0.0f);
+    glRotatef(sb->rotm[1], 0.0f, 1.0f, 0.0f);
+    glRotatef(sb->rotm[2], 0.0f, 0.0f, 1.0f);
+
+    sb->rotm[0] += sb->speed;
+    sb->rotm[1] += -(sb->speed);
+    sb->rotm[2] += 0;
+
+    /* draw the balls */
+    if (do_texture)
+#ifdef HAVE_GLBINDTEXTURE
+       glBindTexture(GL_TEXTURE_2D, sb->faceid);
+#endif /* HAVE_GLBINDTEXTURE */
+    else
+       glEnable(GL_LIGHTING);
+    for (sphere=0;sphere<spheres;sphere++)
+    {
+        drawSphere(mi,sphere);
+    }
+
+    glDisable(GL_TEXTURE_2D);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_LIGHTING);
+
+    /* manage framerate display */
+    if (MI_IS_FPS(mi)) do_fps (mi);
+    glPopMatrix();
+}
+
+
+static void Init(ModeInfo * mi)
+{
+    sballsstruct *sb = &sballs[MI_SCREEN(mi)];
+    int i;
+
+    /* Default settings */
+    if (MI_IS_WIREFRAME(mi))
+       do_texture = False;
+    if (do_texture)
+       inittextures(mi);
+    else
+    {
+       sb->btexture = (XImage*) NULL;
+       sb->ftexture = (XImage*) NULL;
+    }
+
+    vinit(sb->eye   ,0.0f, 0.0f, 6.0f);
+    vinit(sb->rot   ,0.0f, 0.0f, 0.0f);
+    vinit(sb->rotm  ,0.0f, 0.0f, 0.0f);
+    sb->speed = MI_CYCLES(mi);
+
+    /* initialise object number */
+    if (object == 0)
+       object = NRAND(MAX_OBJ);
+    if ((object == 0) || (object > MAX_OBJ))
+       object = DEF_OBJECT_INDX;
+    object--;
+
+    /* initialise sphere number */
+    spheres = MI_COUNT(mi);
+    if (MI_COUNT(mi) > polygons[object].numverts)
+       spheres = polygons[object].numverts;
+    if (MI_COUNT(mi) < 1)
+       spheres = polygons[object].numverts;
+    /* initialise sphere radius */
+    for(i=0; i < spheres;i++)
+    {
+#if RANDOM_RADIUS
+       sb->radius[i] = ((float) LRAND() / (float) MAXRAND);
+       if (sb->radius[i] < 0.3)
+           sb->radius[i] = 0.3;
+       if (sb->radius[i] > 0.7)
+           sb->radius[i] = 0.7;
+#else
+       sb->radius[i] = polygons[object].radius;
+#endif
+    }
+
+    if (MI_IS_DEBUG(mi)) {
+       (void) fprintf(stderr,
+                      "%s:\n\tobject=%s\n\tspheres=%d\n\tspeed=%d\n\ttexture=%s\n",
+                      MI_NAME(mi),
+                      polygons[object].shortname,
+                      spheres,
+                      MI_CYCLES(mi),
+                      do_texture ? "on" : "off"
+                       );
+    }
+
+        glLightfv(GL_LIGHT1, GL_AMBIENT, LightAmbient);
+        glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDiffuse);
+        glLightfv(GL_LIGHT1, GL_POSITION,LightPosition);
+        glEnable(GL_LIGHT1);
+
+        glClearColor(0, 0, 0, 0);
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ *    Xlock hooks.
+ *-----------------------------------------------------------------------------
+ *-----------------------------------------------------------------------------
+ */
+
+/*
+ *-----------------------------------------------------------------------------
+ *    Initialize sballs.  Called each time the window changes.
+ *-----------------------------------------------------------------------------
+ */
+
+void init_sballs(ModeInfo * mi)
+{
+    sballsstruct *sb;
+
+    if (sballs == NULL) {
+       if ((sballs = (sballsstruct *) calloc(MI_NUM_SCREENS(mi),
+                                         sizeof(sballsstruct))) == NULL)
+           return;
+    }
+    sb = &sballs[MI_SCREEN(mi)];
+
+    if ((sb->glx_context = init_GL(mi)) != NULL) {
+
+#ifndef STANDALONE
+       Reshape(mi); /* xlock mode */
+#else
+        reshape_sballs(mi,MI_WIDTH(mi),MI_HEIGHT(mi)); /* xscreensaver mode */
+#endif
+       glDrawBuffer(GL_BACK);
+       Init(mi);
+
+    } else {
+       MI_CLEARWINDOW(mi);
+    }
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *    Called by the mainline code periodically to update the display.
+ *-----------------------------------------------------------------------------
+ */
+void draw_sballs(ModeInfo * mi)
+{
+    Display *display = MI_DISPLAY(mi);
+    Window window = MI_WINDOW(mi);
+    sballsstruct *sb;
+
+    if (sballs == NULL)
+           return;
+    sb = &sballs[MI_SCREEN(mi)];
+
+    MI_IS_DRAWN(mi) = True;
+    if (!sb->glx_context)
+       return;
+
+    glXMakeCurrent(display, window, *(sb->glx_context));
+    Draw(mi);
+#ifndef STANDALONE
+    Reshape(mi); /* xlock mode */
+#else
+    reshape_sballs(mi,MI_WIDTH(mi),MI_HEIGHT(mi)); /* xscreensaver mode */
+#endif
+
+    glFinish();
+    glXSwapBuffers(display, window);
+}
+
+
+/*
+ *-----------------------------------------------------------------------------
+ *    The display is being taken away from us.  Free up malloc'ed
+ *      memory and X resources that we've alloc'ed.  Only called
+ *      once, we must zap everything for every screen.
+ *-----------------------------------------------------------------------------
+ */
+
+void release_sballs(ModeInfo * mi)
+{
+    int screen;
+
+    if (sballs != NULL) {
+       for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
+           sballsstruct *sb = &sballs[screen];
+           if (sb->btexture)
+           {
+               glDeleteTextures(1,&sb->backid);
+               XDestroyImage(sb->btexture);
+           }
+           if (sb->ftexture)
+           {
+               glDeleteTextures(1,&sb->faceid);
+               XDestroyImage(sb->ftexture);
+           }
+       }
+       (void) free((void *) sballs);
+       sballs = (sballsstruct *) NULL;
+    }
+    FreeAllGL(mi);
+}
+
+void change_sballs(ModeInfo * mi)
+{
+    sballsstruct *sb;
+
+    if (sballs == NULL)
+           return;
+    sb = &sballs[MI_SCREEN(mi)];
+
+    if (!sb->glx_context)
+       return;
+
+    /* initialise object number */
+    if (object == 0)
+       object = NRAND(MAX_OBJ);
+    if ((object == 0) || (object > MAX_OBJ))
+       object = DEF_OBJECT_INDX;
+    object--;
+
+    /* correct sphere number */
+    spheres = MI_COUNT(mi);
+    if (MI_COUNT(mi) > polygons[object].numverts)
+       spheres = polygons[object].numverts;
+    if (MI_COUNT(mi) < 1)
+       spheres = polygons[object].numverts;
+
+    if (MI_IS_DEBUG(mi)) {
+       (void) fprintf(stderr,
+                      "%s:\n\tobject=%s\n\tspheres=%d\n\tspeed=%d\n\ttexture=%s\n",
+                      MI_NAME(mi),
+                      polygons[object].shortname,
+                      spheres,
+                      MI_CYCLES(mi),
+                      do_texture ? "on" : "off"
+                       );
+    }
+    glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(sb->glx_context));
+
+}
+#endif /* MODE_sballs */
diff --git a/hacks/glx/sballs.man b/hacks/glx/sballs.man

new file mode 100644 (file)

index 0000000..d8de991
--- /dev/null
+++ b/hacks/glx/sballs.man
@@ -0,0 +1,137 @@
+.de EX         \"Begin example
+.ne 5
+.if n .sp 1
+.if t .sp .5
+.nf
+.in +.5i
+..
+.de EE
+.fi
+.in -.5i
+.if n .sp 1
+.if t .sp .5
+..
+.TH XScreenSaver 1 "03-Oct-01" "X Version 11"
+.SH NAME
+sballs - draws balls spinning like crazy in GL
+.SH SYNOPSIS
+.B sballs
+[\-display \fIhost:display.screen\fP] [\-window] [\-root]
+[\-visual \fIvisual\fP] [\-delay \fImicroseconds\fP]
+[\-object \fIobject_number\fP] 
+[\-count \fInumber_of_spheres\fP] 
+[\-cycles \fIsphere_speed\fP] 
+[\-size \fIviewport_size\fP] 
+[\-texture] [\-no-texture]
+[\-wireframe] [\-no-wireframe]
+[\-trackmouse] [\-no-trackmouse]
+[\-fps] [\-no-fps]
+.SH DESCRIPTION
+The \fIsballs\fP program draws an animation of balls spinning like crazy in GL.
+.SH OPTIONS
+.I sballs
+accepts the following options:
+.TP 8
+.B \-window
+Draw on a newly-created window.  This is the default.
+.TP 8
+.B \-root
+Draw on the root window.
+.TP 8
+.B \-install
+Install a private colormap for the window.
+.TP 8
+.B \-visual \fIvisual\fP
+Specify which visual to use.  Legal values are the name of a visual class,
+or the id number (decimal or hex) of a specific visual.
+.TP 8
+.B \-fps
+Display a running tally of how many frames per second are being rendered.
+In conjunction with \fB\-delay 0\fP, this can be a useful benchmark of 
+your GL performance.
+.TP 8
+.B \-object \fIobject_number\fP\fP
+Specify how the spheres are grouped (forming an object).
+Objects are:
+.TP 10
+.B 1 
+tetrahedron
+.TP 10
+.B 2 
+cube. This is the default.
+.TP 10
+.B 3 
+octahedron
+.TP 10
+.B 4 
+dodecahedron
+.TP 10
+.B 5 
+icosahedron
+.TP 10
+.B 6 
+plane
+.TP 10
+.B 7 
+pyramid
+.TP 10
+.B 8 
+star
+.TP 8
+.B \-count \fInumber_of_spheres\fP\fP
+Specify how much spheres are drawn in the selected object. 
+.TP 8
+.B \-size \fIviewport_size\fP\fP
+Viewport of GL scene is specified size if greater than 32 and less than screensize. Default value is 0, meaning full screensize.
+.TP 8
+.B \-count \fInumber_of_particles\fP\fP
+Specify how much fire particles are drawn. A very special case is 0
+wich means that you get
+.B rain
+!
+.TP 8
+.B \-texture
+Show a textured background and spheres. This is the default.
+.TP 8
+.B \-no\-texture
+Disables texturing the animation.
+.TP 8
+.B \-trackmouse
+Let the mouse be a joystick to change the view of the animation.
+This implies 
+.I \-no\-wander.
+.TP 8
+.B \-no\-trackmouse
+Disables mouse tracking. This is the default.
+.TP 8
+.B \-wire
+Draw a wireframe rendition of the spheres.
+.SH ENVIRONMENT
+.PP
+.TP 8
+.B DISPLAY
+to get the default host and display number.
+.TP 8
+.B XENVIRONMENT
+to get the name of a resource file that overrides the global resources
+stored in the RESOURCE_MANAGER property.
+.SH SEE ALSO
+.BR X (1),
+.BR xscreensaver (1)
+.SH COPYRIGHT
+Copyright \(co 2001 by Eric Lassauge.
+Permission to use, copy, modify, distribute, and sell this software and
+its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation.  No representations are made about the
+suitability of this software for any purpose.  It is provided "as is"
+without express or implied warranty.
+
+The original code for this mode was written by
+Mustata Bogdan (LoneRunner) <lonerunner@planetquake.com>
+and can be found at http://www.cfxweb.net/lonerunner/
+
+.SH AUTHOR
+Mustata Bogdan (LoneRunner) <lonerunner@planetquake.com>
+Eric Lassauge <lassauge@mail.dotcom.fr>
diff --git a/hacks/glx/starwars.c b/hacks/glx/starwars.c

index 96c77753bac124bf705f30c92287e06a24ae2c79..5772d1ebf150c7492097bdf0a009a95d18ab5953 100644 (file)
--- a/hacks/glx/starwars.c
+++ b/hacks/glx/starwars.c
@@ -87,12 +87,17 @@ extern XtAppContext app;
  
  #ifdef USE_GL /* whole file */
  
  
  #ifdef USE_GL /* whole file */
  
+#include <ctype.h>
  #include <GL/glu.h>
  #include <sys/stat.h>
  #include "glutstroke.h"
  #include "glut_roman.h"
  #define GLUT_FONT (&glutStrokeRoman)
  
  #include <GL/glu.h>
  #include <sys/stat.h>
  #include "glutstroke.h"
  #include "glut_roman.h"
  #define GLUT_FONT (&glutStrokeRoman)
  
+#ifdef HAVE_UNAME
+# include <sys/utsname.h>
+#endif /* HAVE_UNAME */
+
  
  typedef struct {
    GLXContext *glx_context;
  
  typedef struct {
    GLXContext *glx_context;
@@ -258,15 +263,32 @@ launch_text_generator (sws_configuration *sc)
  
    if (!strcasecmp(oprogram, "(default)"))
      {
  
    if (!strcasecmp(oprogram, "(default)"))
      {
+      oprogram = FORTUNE_PROGRAM;
+
  #ifdef __linux__
  #ifdef __linux__
-      static int done_once = 0;
-      struct stat st;
-      char *cmd = "cat /usr/src/linux/README";
-      if (!(done_once++) && !stat (cmd+4, &st))
-        oprogram = cmd;
-      else
-#endif
-        oprogram = FORTUNE_PROGRAM;
+      {
+        static int done_once = 0;
+        if (!done_once)
+          {
+            struct utsname uts;
+            struct stat st;
+            done_once = 1;
+            if (uname (&uts) == 0)
+              {
+                static char cmd[200];
+                char *s;
+                /* strip version at the first non-digit-dash-dot, to
+                   lose any "SMP" crap at the end. */
+                for (s = uts.release; *s; s++)
+                  if (!isdigit(*s) && *s != '.' && *s != '-')
+                    *s = 0;
+                sprintf (cmd, "cat /usr/src/linux-%s/README", uts.release);
+                if (!stat (cmd+4, &st))
+                  oprogram = cmd;
+              }
+          }
+      }
+#endif /* __linux__ */
      }
  
   program = (char *) malloc (strlen (oprogram) + 10);
      }
  
   program = (char *) malloc (strlen (oprogram) + 10);
diff --git a/hacks/glx/tube.c b/hacks/glx/tube.c

index 6632c29d6882ec641a2e565f507b195974e3b5b4..c11d5b30cf46249d5b8f8578212dc8ac09e30da7 100644 (file)
--- a/hacks/glx/tube.c
+++ b/hacks/glx/tube.c
@@ -151,28 +151,25 @@ tube_1 (GLfloat x1, GLfloat y1, GLfloat z1,
          int faces, Bool smooth, Bool wire,
          Bool cone_p)
  {
          int faces, Bool smooth, Bool wire,
          Bool cone_p)
  {
-  GLfloat length, angle, a, b, c;
+  GLfloat length, X, Y, Z;
  
    if (diameter <= 0) abort();
  
  
    if (diameter <= 0) abort();
  
-  a = (x2 - x1);
-  b = (y2 - y1);
-  c = (z2 - z1);
+  X = (x2 - x1);
+  Y = (y2 - y1);
+  Z = (z2 - z1);
  
  
-  length = sqrt (a*a + b*b + c*c);
-  angle = acos (a / length);
+  if (X == 0 && Y == 0 && Z == 0)
+    return;
  
  
-  glPushMatrix();
-  glTranslatef(x1, y1, z1);
-  glScalef (length, length, length);
+  length = sqrt (X*X + Y*Y + Z*Z);
  
  
-  if (c == 0 && b == 0)
-    glRotatef (angle / (M_PI / 180), 0, 1, 0);
-  else
-    glRotatef (angle / (M_PI / 180), 0, -c, b);
+  glPushMatrix();
  
  
-  glRotatef (-90, 0, 0, 1);
-  glScalef (diameter/length, 1, diameter/length);
+  glTranslatef(x1, y1, z1);
+  glRotatef (-atan2 (X, Y)               * (180 / M_PI), 0, 0, 1);
+  glRotatef ( atan2 (Z, sqrt(X*X + Y*Y)) * (180 / M_PI), 1, 0, 0);
+  glScalef (diameter, length, diameter);
  
    /* extend the endpoints of the tube by the cap size in both directions */
    if (cap_size != 0)
  
    /* extend the endpoints of the tube by the cap size in both directions */
    if (cap_size != 0)
@@ -186,6 +183,7 @@ tube_1 (GLfloat x1, GLfloat y1, GLfloat z1,
      unit_cone (faces, smooth, wire);
    else
      unit_tube (faces, smooth, wire);
      unit_cone (faces, smooth, wire);
    else
      unit_tube (faces, smooth, wire);
+
    glPopMatrix();
  }
  
    glPopMatrix();
  }
  
diff --git a/hacks/glx/xpm-ximage.c b/hacks/glx/xpm-ximage.c

index 615e0cd1672b4ce36d792a520df4a9e34542ca94..77210ecaab3defae89686a23b2674ee2f23ea53d 100644 (file)
--- a/hacks/glx/xpm-ximage.c
+++ b/hacks/glx/xpm-ximage.c
@@ -1,5 +1,5 @@
  /* xpm-ximage.c --- converts XPM data to an XImage for use with OpenGL.
  /* xpm-ximage.c --- converts XPM data to an XImage for use with OpenGL.
- * xscreensaver, Copyright (c) 1998, 2001 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1998, 2001, 2002 Jamie Zawinski <jwz@jwz.org>
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
@@ -18,11 +18,125 @@
  
  #include <stdlib.h>
  #include <stdio.h>
  
  #include <stdlib.h>
  #include <stdio.h>
-#include <X11/Intrinsic.h>
  
  extern char *progname;
  
  
  extern char *progname;
  
-#ifdef HAVE_XPM                /* whole file */
+
+#if defined(HAVE_GDK_PIXBUF)
+
+# include <gdk-pixbuf/gdk-pixbuf.h>
+# include <gdk-pixbuf/gdk-pixbuf-xlib.h>
+
+
+/* Returns an XImage structure containing the bits of the given XPM image.
+   This XImage will be 32 bits per pixel, 8 each per R, G, and B, with the
+   extra byte set to either 0xFF or 0x00 (based on the XPM file's mask.)
+
+   The Display and Visual arguments are used only for creating the XImage;
+   no bits are pushed to the server.
+
+   The Colormap argument is used just for parsing color names; no colors
+   are allocated.
+
+   This is the gdk_pixbuf version of this function.
+ */
+static XImage *
+xpm_to_ximage_1 (Display *dpy, Visual *visual, Colormap cmap,
+                 const char *filename,
+                 char **xpm_data)
+{
+  GdkPixbuf *pb;
+  static int initted = 0;
+
+  if (!initted)
+    {
+      gdk_pixbuf_xlib_init (dpy, DefaultScreen (dpy));
+      xlib_rgb_init (dpy, DefaultScreenOfDisplay (dpy));
+      initted = 1;
+    }
+
+  pb = (filename
+        ? gdk_pixbuf_new_from_file (filename)
+        : gdk_pixbuf_new_from_xpm_data ((const char **) xpm_data));
+  if (pb)
+    {
+      XImage *image;
+      int w = gdk_pixbuf_get_width (pb);
+      int h = gdk_pixbuf_get_height (pb);
+      guchar *row = gdk_pixbuf_get_pixels (pb);
+      int stride = gdk_pixbuf_get_rowstride (pb);
+      int chan = gdk_pixbuf_get_n_channels (pb);
+      int x, y;
+
+      image = XCreateImage (dpy, visual, 32, ZPixmap, 0, 0, w, h, 32, 0);
+      image->data = (char *) malloc(h * image->bytes_per_line);
+      if (!image->data)
+        {
+          fprintf (stderr, "%s: out of memory (%d x %d)\n", progname, w, h);
+          exit (1);
+        }
+
+      for (y = 0; y < h; y++)
+        {
+          int y2 = (h-1-y); /* Texture maps are upside down. */
+
+          guchar *i = row;
+          for (x = 0; x < w; x++)
+            {
+              unsigned long rgba = 0;
+              switch (chan) {
+              case 1:
+                rgba = ((0xFF << 24) |
+                        (*i << 16) |
+                        (*i << 8) |
+                         *i);
+                i++;
+                break;
+              case 3:
+                rgba = ((0xFF << 24) |
+                        (i[2] << 16) |
+                        (i[1] << 8) |
+                         i[0]);
+                i += 3;
+                break;
+              case 4:
+                rgba = ((i[3] << 24) |
+                        (i[2] << 16) |
+                        (i[1] << 8) |
+                         i[0]);
+                i += 4;
+                break;
+              default:
+                abort();
+                break;
+              }
+              XPutPixel (image, x, y2, rgba);
+            }
+          row += stride;
+        }
+      /* gdk_pixbuf_unref (pb);  -- #### does doing this free colors? */
+
+      return image;
+    }
+  else if (filename)
+    {
+      fprintf (stderr, "%s: unable to load %s\n", progname, filename);
+      exit (1);
+    }
+  else
+    {
+      fprintf (stderr, "%s: unable to initialize builtin texture\n", progname);
+      exit (1);
+    }
+}
+
+
+#elif defined(HAVE_XPM)
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <X11/Intrinsic.h>
  
  #include <X11/Xutil.h>
  #include <X11/xpm.h>
  
  #include <X11/Xutil.h>
  #include <X11/xpm.h>
@@ -39,18 +153,11 @@ bigendian (void)
  }
  
  
  }
  
  
-/* Returns an XImage structure containing the bits of the given XPM image.
-   This XImage will be 32 bits per pixel, 8 each per R, G, and B, with the
-   extra byte set to either 0xFF or 0x00 (based on the XPM file's mask.)
-
-   The Display and Visual arguments are used only for creating the XImage;
-   no bits are pushed to the server.
-
-   The Colormap argument is used just for parsing color names; no colors
-   are allocated.
+/* The libxpm version of this function...
   */
   */
-XImage *
-xpm_to_ximage (Display *dpy, Visual *visual, Colormap cmap, char **xpm_data)
+static XImage *
+xpm_to_ximage_1 (Display *dpy, Visual *visual, Colormap cmap,
+                 const char *filename, char **xpm_data)
  {
    /* All we want to do is get RGB data out of the XPM file built in to this
       program.  This is a pain, because there is no way  (as of XPM version
  {
    /* All we want to do is get RGB data out of the XPM file built in to this
       program.  This is a pain, because there is no way  (as of XPM version
@@ -72,6 +179,18 @@ xpm_to_ximage (Display *dpy, Visual *visual, Colormap cmap, char **xpm_data)
  
    memset (&xpm_image, 0, sizeof(xpm_image));
    memset (&xpm_info, 0, sizeof(xpm_info));
  
    memset (&xpm_image, 0, sizeof(xpm_image));
    memset (&xpm_info, 0, sizeof(xpm_info));
+
+  if (filename)
+    {
+      xpm_data = 0;
+      if (! XpmReadFileToData ((char *) filename, &xpm_data))
+        {
+          fprintf (stderr, "%s: unable to read XPM file %f\n",
+                   progname, filename);
+          exit (1);
+        }
+    }
+
    result = XpmCreateXpmImageFromData (xpm_data, &xpm_image, &xpm_info);
    if (result != XpmSuccess)
      {
    result = XpmCreateXpmImageFromData (xpm_data, &xpm_image, &xpm_info);
    if (result != XpmSuccess)
      {
@@ -161,13 +280,39 @@ xpm_to_ximage (Display *dpy, Visual *visual, Colormap cmap, char **xpm_data)
  }
  
  
  }
  
  
-#else  /* !HAVE_XPM */
+#else  /* !HAVE_XPM && !HAVE_GDK_PIXBUF */
  
  
-XImage *
-xpm_to_ximage (char **xpm_data)
+static XImage *
+xpm_to_ximage_1 (Display *dpy, Visual *visual, Colormap cmap,
+                 const char *filename, char **xpm_data)
  {
  {
-  fprintf(stderr, "%s: not compiled with XPM support.\n", progname);
+  fprintf(stderr, "%s: not compiled with XPM or Pixbuf support.\n", progname);
    exit (1);
  }
  
  #endif /* !HAVE_XPM */
    exit (1);
  }
  
  #endif /* !HAVE_XPM */
+
+
+/* Returns an XImage structure containing the bits of the given XPM image.
+   This XImage will be 32 bits per pixel, 8 each per R, G, and B, with the
+   extra byte set to either 0xFF or 0x00 (based on the XPM file's mask.)
+
+   The Display and Visual arguments are used only for creating the XImage;
+   no bits are pushed to the server.
+
+   The Colormap argument is used just for parsing color names; no colors
+   are allocated.
+ */
+XImage *
+xpm_to_ximage (Display *dpy, Visual *visual, Colormap cmap, char **xpm_data)
+{
+  return xpm_to_ximage_1 (dpy, visual, cmap, 0, xpm_data);
+}
+
+
+XImage *
+xpm_file_to_ximage (Display *dpy, Visual *visual, Colormap cmap,
+                    const char *filename)
+{
+  return xpm_to_ximage_1 (dpy, visual, cmap, filename, 0);
+}
diff --git a/hacks/glx/xpm-ximage.h b/hacks/glx/xpm-ximage.h

index cfe6e0da51e70ddd3ec13ac2e06138baf2519933..9877ba9dee40439f91d99f5e118e0359f822b62c 100644 (file)
--- a/hacks/glx/xpm-ximage.h
+++ b/hacks/glx/xpm-ximage.h
@@ -1,5 +1,5 @@
  /* xpm-ximage.h --- converts XPM data to an XImage for use with OpenGL.
  /* xpm-ximage.h --- converts XPM data to an XImage for use with OpenGL.
- * xscreensaver, Copyright (c) 1998 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1998, 2002 Jamie Zawinski <jwz@jwz.org>
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
@@ -24,5 +24,7 @@
     are allocated.
   */
  extern XImage *xpm_to_ximage (Display *, Visual *, Colormap, char **xpm_data);
     are allocated.
   */
  extern XImage *xpm_to_ximage (Display *, Visual *, Colormap, char **xpm_data);
+extern XImage *xpm_file_to_ximage (Display *, Visual *, Colormap,
+                                   const char *filename);
  
  #endif /* _XPM_TEXTURE_H_ */
  
  #endif /* _XPM_TEXTURE_H_ */
diff --git a/hacks/grav.c b/hacks/grav.c

index eb243006ccf859cae6f45e05a8ff02a8eb1fbeb9..ccadc2a6a25569d675b9a23d4c593192719d3210 100644 (file)
--- a/hacks/grav.c
+++ b/hacks/grav.c
@@ -1,11 +1,13 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * grav --- simulation of a planetary system.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* grav --- planets spinning around a pulsar */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)grav.c       4.00 97/01/01 xlockmore";
+static const char sccsid[] = "@(#)grav.c       5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1993 Greg Bowering <gb@pobox.com>
+/*-
+ * Copyright (c) 1993 by Greg Boewring <gb@pobox.com>
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -19,25 +21,66 @@ static const char sccsid[] = "@(#)grav.c    4.00 97/01/01 xlockmore";
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
- * Revision history:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- * 11-Jul-94: color version
- * 06-Oct-93: by Greg Bowering <gb@pobox.com>
+ * Revision History:
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 11-Jul-1994: color version
+ * 06-Oct-1993: Written by Greg Bowering <gb@pobox.com>
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Grav"
-# define HACK_INIT                                     init_grav
-# define HACK_DRAW                                     draw_grav
-# define grav_opts                                     xlockmore_opts
-# define DEFAULTS      "*count:                12    \n"                       \
-                                       "*delay:                10000 \n"                       \
-                                       "*ncolors:              64   \n"
-# define BRIGHT_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
+#define MODE_grav
+#define PROGCLASS "Grav"
+#define HACK_INIT init_grav
+#define HACK_DRAW draw_grav
+#define grav_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+ "*count: 12 \n" \
+ "*ncolors: 64 \n"
+#define BRIGHT_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+
+#endif /* STANDALONE */
+
+#ifdef MODE_grav
+
+#define DEF_DECAY "False"      /* Damping for decaying orbits */
+#define DEF_TRAIL "False"      /* For trails (works good in mono only) */
+
+static Bool decay;
+static Bool trail;
+
+static XrmOptionDescRec opts[] =
+{
+       {(char *) "-decay", (char *) ".grav.decay", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+decay", (char *) ".grav.decay", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-trail", (char *) ".grav.trail", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+trail", (char *) ".grav.trail", XrmoptionNoArg, (caddr_t) "off"}
+};
+static argtype vars[] =
+{
+       {(caddr_t *) & decay, (char *) "decay", (char *) "Decay", (char *) DEF_DECAY, t_Bool},
+       {(caddr_t *) & trail, (char *) "trail", (char *) "Trail", (char *) DEF_TRAIL, t_Bool}
+};
+static OptionStruct desc[] =
+{
+       {(char *) "-/+decay", (char *) "turn on/off decaying orbits"},
+       {(char *) "-/+trail", (char *) "turn on/off trail dots"}
+};
+
+ModeSpecOpt grav_opts =
+{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
+
+#ifdef USE_MODULES
+ModStruct   grav_description =
+{"grav", "init_grav", "draw_grav", "release_grav",
+ "refresh_grav", "init_grav", (char *) NULL, &grav_opts,
+ 10000, -12, 1, 1, 64, 1.0, "",
+ "Shows orbiting planets", 0, NULL};
+
+#endif
  
  #define GRAV                   -0.02   /* Gravitational constant */
  #define DIST                   16.0
  
  #define GRAV                   -0.02   /* Gravitational constant */
  #define DIST                   16.0
@@ -80,35 +123,9 @@ static const char sccsid[] = "@(#)grav.c    4.00 97/01/01 xlockmore";
  
  #define FLOATRAND(min,max)     ((min)+(LRAND()/MAXRAND)*((max)-(min)))
  
  
  #define FLOATRAND(min,max)     ((min)+(LRAND()/MAXRAND)*((max)-(min)))
  
-#define DEF_DECAY "False"      /* Damping for decaying orbits */
-#define DEF_TRAIL "False"      /* For trails (works good in mono only) */
-
-static Bool decay;
-static Bool trail;
-
-static XrmOptionDescRec opts[] =
-{
-       {"-decay", ".grav.decay", XrmoptionNoArg, (caddr_t) "on"},
-       {"+decay", ".grav.decay", XrmoptionNoArg, (caddr_t) "off"},
-       {"-trail", ".grav.trail", XrmoptionNoArg, (caddr_t) "on"},
-       {"+trail", ".grav.trail", XrmoptionNoArg, (caddr_t) "off"}
-};
-static argtype vars[] =
-{
-       {(caddr_t *) & decay, "decay", "Decay", DEF_DECAY, t_Bool},
-       {(caddr_t *) & trail, "trail", "Trail", DEF_TRAIL, t_Bool}
-};
-static OptionStruct desc[] =
-{
-       {"-/+decay", "turn on/off decaying orbits"},
-       {"-/+trail", "turn on/off trail dots"}
-};
-
-ModeSpecOpt grav_opts = { 4, opts, 2, vars, desc };
-
  typedef struct {
  typedef struct {
-       double        P[DIMENSIONS], V[DIMENSIONS], A[DIMENSIONS];
-       int           xi, yi, ri;
+       double      P[DIMENSIONS], V[DIMENSIONS], A[DIMENSIONS];
+       int         xi, yi, ri;
         unsigned long colors;
  } planetstruct;
  
         unsigned long colors;
  } planetstruct;
  
@@ -119,7 +136,7 @@ typedef struct {
         planetstruct *planets;
  } gravstruct;
  
         planetstruct *planets;
  } gravstruct;
  
-static gravstruct *gravs = NULL;
+static gravstruct *gravs = (gravstruct *) NULL;
  
  static void
  init_planet(ModeInfo * mi, planetstruct * planet)
  
  static void
  init_planet(ModeInfo * mi, planetstruct * planet)
@@ -132,7 +149,7 @@ init_planet(ModeInfo * mi, planetstruct * planet)
         if (MI_NPIXELS(mi) > 2)
                 planet->colors = MI_PIXEL(mi, NRAND(MI_NPIXELS(mi)));
         else
         if (MI_NPIXELS(mi) > 2)
                 planet->colors = MI_PIXEL(mi, NRAND(MI_NPIXELS(mi)));
         else
-               planet->colors = MI_WIN_WHITE_PIXEL(mi);
+               planet->colors = MI_WHITE_PIXEL(mi);
         /* Initialize positions */
         POS(X) = FLOATRAND(-XR, XR);
         POS(Y) = FLOATRAND(-YR, YR);
         /* Initialize positions */
         POS(X) = FLOATRAND(-XR, XR);
         POS(Y) = FLOATRAND(-YR, YR);
@@ -200,7 +217,7 @@ draw_planet(ModeInfo * mi, planetstruct * planet)
                 planet->xi = planet->yi = -1;
  
         /* Mask */
                 planet->xi = planet->yi = -1;
  
         /* Mask */
-       XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+       XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
         Planet(gp->x, gp->y);
         if (trail) {
                 XSetForeground(display, gc, planet->colors);
         Planet(gp->x, gp->y);
         if (trail) {
                 XSetForeground(display, gc, planet->colors);
@@ -221,8 +238,8 @@ init_grav(ModeInfo * mi)
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
-       gravstruct *gp;
         unsigned char ball;
         unsigned char ball;
+       gravstruct *gp;
  
         if (gravs == NULL) {
                 if ((gravs = (gravstruct *) calloc(MI_NUM_SCREENS(mi),
  
         if (gravs == NULL) {
                 if ((gravs = (gravstruct *) calloc(MI_NUM_SCREENS(mi),
@@ -231,28 +248,31 @@ init_grav(ModeInfo * mi)
         }
         gp = &gravs[MI_SCREEN(mi)];
  
         }
         gp = &gravs[MI_SCREEN(mi)];
  
-       gp->width = MI_WIN_WIDTH(mi);
-       gp->height = MI_WIN_HEIGHT(mi);
+       gp->width = MI_WIDTH(mi);
+       gp->height = MI_HEIGHT(mi);
  
         gp->sr = STARRADIUS;
  
  
         gp->sr = STARRADIUS;
  
-       gp->nplanets = MI_BATCHCOUNT(mi);
+       gp->nplanets = MI_COUNT(mi);
         if (gp->nplanets < 0) {
                 if (gp->planets) {
                         (void) free((void *) gp->planets);
         if (gp->nplanets < 0) {
                 if (gp->planets) {
                         (void) free((void *) gp->planets);
-                       gp->planets = NULL;
+                       gp->planets = (planetstruct *) NULL;
                 }
                 gp->nplanets = NRAND(-gp->nplanets) + 1;        /* Add 1 so its not too boring */
         }
                 }
                 gp->nplanets = NRAND(-gp->nplanets) + 1;        /* Add 1 so its not too boring */
         }
-       if (!gp->planets)
-               gp->planets = (planetstruct *) calloc(gp->nplanets, sizeof (planetstruct));
+       if (gp->planets == NULL) {
+               if ((gp->planets = (planetstruct *) calloc(gp->nplanets,
+                               sizeof (planetstruct))) == NULL)
+                       return;
+       }
  
  
-       XClearWindow(display, MI_WINDOW(mi));
+       MI_CLEARWINDOW(mi);
  
         if (MI_NPIXELS(mi) > 2)
                 gp->starcolor = MI_PIXEL(mi, NRAND(MI_NPIXELS(mi)));
         else
  
         if (MI_NPIXELS(mi) > 2)
                 gp->starcolor = MI_PIXEL(mi, NRAND(MI_NPIXELS(mi)));
         else
-               gp->starcolor = MI_WIN_WHITE_PIXEL(mi);
+               gp->starcolor = MI_WHITE_PIXEL(mi);
         for (ball = 0; ball < (unsigned char) gp->nplanets; ball++)
                 init_planet(mi, &gp->planets[ball]);
  
         for (ball = 0; ball < (unsigned char) gp->nplanets; ball++)
                 init_planet(mi, &gp->planets[ball]);
  
@@ -268,11 +288,18 @@ draw_grav(ModeInfo * mi)
         Display    *display = MI_DISPLAY(mi);
         Window      window = MI_WINDOW(mi);
         GC          gc = MI_GC(mi);
         Display    *display = MI_DISPLAY(mi);
         Window      window = MI_WINDOW(mi);
         GC          gc = MI_GC(mi);
-       gravstruct *gp = &gravs[MI_SCREEN(mi)];
         register unsigned char ball;
         register unsigned char ball;
+       gravstruct *gp;
+
+       if (gravs == NULL)
+                       return;
+       gp = &gravs[MI_SCREEN(mi)];
+       if (gp->planets == NULL)
+               return;
  
  
+       MI_IS_DRAWN(mi) = True;
         /* Mask centrepoint */
         /* Mask centrepoint */
-       XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+       XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
         XDrawArc(display, window, gc,
                  gp->width / 2 - gp->sr / 2, gp->height / 2 - gp->sr / 2, gp->sr, gp->sr,
                  0, 23040);
         XDrawArc(display, window, gc,
                  gp->width / 2 - gp->sr / 2, gp->height / 2 - gp->sr / 2, gp->sr, gp->sr,
                  0, 23040);
@@ -311,12 +338,14 @@ release_grav(ModeInfo * mi)
                                 (void) free((void *) gp->planets);
                 }
                 (void) free((void *) gravs);
                                 (void) free((void *) gp->planets);
                 }
                 (void) free((void *) gravs);
-               gravs = NULL;
+               gravs = (gravstruct *) NULL;
         }
  }
  
  void
  refresh_grav(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_grav(ModeInfo * mi)
  {
-       /* Do nothing, it will refresh by itself */
+       MI_CLEARWINDOW(mi);
  }
  }
+
+#endif /* MODE_grav */
diff --git a/hacks/hopalong.c b/hacks/hopalong.c

index 7b252e87d77c0e2cb8e39830e3e952b68c1bf61c..949c5b9f1086336c4b9551022ba1ddebfeea3f6a 100644 (file)
--- a/hacks/hopalong.c
+++ b/hacks/hopalong.c
@@ -1,11 +1,13 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * hop --- real plane fractals.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* hop --- real plane fractals */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)hop.c        4.02 97/04/01 xlockmore";
+static const char sccsid[] = "@(#)hop.c        5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1988-91 by Patrick J. Naughton.
+/*-
+ * Copyright (c) 1991 by Patrick J. Naughton.
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -20,54 +22,54 @@ static const char sccsid[] = "@(#)hop.c     4.02 97/04/01 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * Changes of David Bagley <bagleyd@bigfoot.com>
- * 24-Jun-97: EJK and RR functions stolen from xmartin2.2
- *            Ed Kubaitis <ejk@ux2.cso.uiuc.edu> ejk functions and xmartin 
- *            Renaldo Recuerdo rr function, generalized exponent version
+ * Changes in xlockmore distribution
+ * 01-Nov-2000: Allocation checks
+ * 24-Jun-1997: EJK and RR functions stolen from xmartin2.2
+ *              Ed Kubaitis <ejk@ux2.cso.uiuc.edu> ejk functions and xmartin
+ *              Renaldo Recuerdo rr function, generalized exponent version
   *              of the Barry Martin's square root function
   *              of the Barry Martin's square root function
- * 10-May-97: jwz@jwz.org: ported from xlockmore 4.03a10 to be a 
- *                       standalone program and thus usable with xscreensaver
- *                       (I threw away my 1992 port and started over.)
- * 27-Jul-95: added Peter de Jong's hop from Scientific American
- *            July 87 p. 111.  Sometimes they are amazing but there are a
- *            few duds (I did not see a pattern in the parameters).
- * 29-Mar-95: changed name from hopalong to hop
- * 09-Dec-94: added Barry Martin's sine hop
- *
- * (12-Aug-92: jwz@lucid.com: made xlock version run standalone.)
- *
- * Changes of Patrick J. Naughton
- * 29-Oct-90: fix bad (int) cast.
- * 29-Jul-90: support for multiple screens.
- * 08-Jul-90: new timing and colors and new algorithm for fractals.
- * 15-Dec-89: Fix for proper skipping of {White,Black}Pixel() in colors.
- * 08-Oct-89: Fixed long standing typo bug in RandomInitHop();
- *           Fixed bug in memory allocation in init_hop();
- *           Moved seconds() to an extern.
- *           Got rid of the % mod since .mod is slow on a sparc.
- * 20-Sep-89: Lint.
- * 31-Aug-88: Forked from xlock.c for modularity.
- * 23-Mar-88: Coded HOPALONG routines from Scientific American Sept. 86 p. 14.
- *            Hopalong was attributed to Barry Martin of Aston University
- *            (Birmingham, England)
+ * 10-May-1997: Compatible with xscreensaver
+ * 27-Jul-1995: added Peter de Jong's hop from Scientific American
+ *              July 87 p. 111.  Sometimes they are amazing but there are a
+ *              few duds (I did not see a pattern in the parameters).
+ * 29-Mar-1995: changed name from hopalong to hop
+ * 09-Dec-1994: added Barry Martin's sine hop
+ * Changes in original xlock
+ * 29-Oct-1990: fix bad (int) cast.
+ * 29-Jul-1990: support for multiple screens.
+ * 08-Jul-1990: new timing and colors and new algorithm for fractals.
+ * 15-Dec-1989: Fix for proper skipping of {White,Black}Pixel() in colors.
+ * 08-Oct-1989: Fixed long standing typo bug in RandomInitHop();
+ *                 Fixed bug in memory allocation in init_hop();
+ *                 Moved seconds() to an extern.
+ *                 Got rid of the % mod since .mod is slow on a sparc.
+ * 20-Sep-1989: Lint.
+ * 31-Aug-1988: Forked from xlock.c for modularity.
+ * 23-Mar-1988: Coded HOPALONG routines from Scientific American Sept. 86 p. 14.
+ *              Hopalong was attributed to Barry Martin of Aston University
+ *              (Birmingham, England)
   */
  
   */
  
+
  #ifdef STANDALONE
  #ifdef STANDALONE
-# define PROGCLASS                                     "Hopalong"
-# define HACK_INIT                                     init_hop
-# define HACK_DRAW                                     draw_hop
-# define HACK_FREE                                     release_hop
-# define hop_opts                                      xlockmore_opts
-# define DEFAULTS      "*delay:                10000   \n"                     \
-                                       "*count:                1000    \n"                     \
-                                       "*cycles:               2500    \n"                     \
-                                       "*ncolors:              200     \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-# include "erase.h"
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
+#define MODE_hop
+#define PROGCLASS "Hop"
+#define HACK_INIT init_hop
+#define HACK_DRAW draw_hop
+#define hop_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+ "*count: 1000 \n" \
+ "*cycles: 2500 \n" \
+ "*ncolors: 200 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#include "erase.h"
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+
+#endif /* STANDALONE */
+
+#ifdef MODE_hop
  
  #define DEF_MARTIN "False"
  #define DEF_POPCORN "False"
  
  #define DEF_MARTIN "False"
  #define DEF_POPCORN "False"
@@ -95,56 +97,56 @@ static Bool sine;
  
  static XrmOptionDescRec opts[] =
  {
  
  static XrmOptionDescRec opts[] =
  {
-       {"-martin", ".hop.martin", XrmoptionNoArg, (caddr_t) "on"},
-       {"+martin", ".hop.martin", XrmoptionNoArg, (caddr_t) "off"},
-       {"-popcorn", ".hop.popcorn", XrmoptionNoArg, (caddr_t) "on"},
-       {"+popcorn", ".hop.popcorn", XrmoptionNoArg, (caddr_t) "off"},
-       {"-ejk1", ".hop.ejk1", XrmoptionNoArg, (caddr_t) "on"},
-       {"+ejk1", ".hop.ejk1", XrmoptionNoArg, (caddr_t) "off"},
-       {"-ejk2", ".hop.ejk2", XrmoptionNoArg, (caddr_t) "on"},
-       {"+ejk2", ".hop.ejk2", XrmoptionNoArg, (caddr_t) "off"},
-       {"-ejk3", ".hop.ejk3", XrmoptionNoArg, (caddr_t) "on"},
-       {"+ejk3", ".hop.ejk3", XrmoptionNoArg, (caddr_t) "off"},
-       {"-ejk4", ".hop.ejk4", XrmoptionNoArg, (caddr_t) "on"},
-       {"+ejk4", ".hop.ejk4", XrmoptionNoArg, (caddr_t) "off"},
-       {"-ejk5", ".hop.ejk5", XrmoptionNoArg, (caddr_t) "on"},
-       {"+ejk5", ".hop.ejk5", XrmoptionNoArg, (caddr_t) "off"},
-       {"-ejk6", ".hop.ejk6", XrmoptionNoArg, (caddr_t) "on"},
-       {"+ejk6", ".hop.ejk6", XrmoptionNoArg, (caddr_t) "off"},
-       {"-rr", ".hop.rr", XrmoptionNoArg, (caddr_t) "on"},
-       {"+rr", ".hop.rr", XrmoptionNoArg, (caddr_t) "off"},
-       {"-jong", ".hop.jong", XrmoptionNoArg, (caddr_t) "on"},
-       {"+jong", ".hop.jong", XrmoptionNoArg, (caddr_t) "off"},
-       {"-sine", ".hop.sine", XrmoptionNoArg, (caddr_t) "on"},
-       {"+sine", ".hop.sine", XrmoptionNoArg, (caddr_t) "off"}
+       {(char *) "-martin", (char *) ".hop.martin", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+martin", (char *) ".hop.martin", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-popcorn", (char *) ".hop.popcorn", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+popcorn", (char *) ".hop.popcorn", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-ejk1", (char *) ".hop.ejk1", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+ejk1", (char *) ".hop.ejk1", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-ejk2", (char *) ".hop.ejk2", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+ejk2", (char *) ".hop.ejk2", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-ejk3", (char *) ".hop.ejk3", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+ejk3", (char *) ".hop.ejk3", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-ejk4", (char *) ".hop.ejk4", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+ejk4", (char *) ".hop.ejk4", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-ejk5", (char *) ".hop.ejk5", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+ejk5", (char *) ".hop.ejk5", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-ejk6", (char *) ".hop.ejk6", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+ejk6", (char *) ".hop.ejk6", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-rr", (char *) ".hop.rr", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+rr", (char *) ".hop.rr", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-jong", (char *) ".hop.jong", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+jong", (char *) ".hop.jong", XrmoptionNoArg, (caddr_t) "off"},
+       {(char *) "-sine", (char *) ".hop.sine", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+sine", (char *) ".hop.sine", XrmoptionNoArg, (caddr_t) "off"}
  };
  static argtype vars[] =
  {
  };
  static argtype vars[] =
  {
-       {(caddr_t *) & martin, "martin", "Martin", DEF_MARTIN, t_Bool},
-       {(caddr_t *) & popcorn, "popcorn", "Popcorn", DEF_POPCORN, t_Bool},
-       {(caddr_t *) & ejk1, "ejk1", "EJK1", DEF_EJK1, t_Bool},
-       {(caddr_t *) & ejk2, "ejk2", "EJK2", DEF_EJK2, t_Bool},
-       {(caddr_t *) & ejk3, "ejk3", "EJK3", DEF_EJK3, t_Bool},
-       {(caddr_t *) & ejk4, "ejk4", "EJK4", DEF_EJK4, t_Bool},
-       {(caddr_t *) & ejk5, "ejk5", "EJK5", DEF_EJK5, t_Bool},
-       {(caddr_t *) & ejk6, "ejk6", "EJK6", DEF_EJK6, t_Bool},
-       {(caddr_t *) & rr, "rr", "RR", DEF_RR, t_Bool},
-       {(caddr_t *) & jong, "jong", "Jong", DEF_JONG, t_Bool},
-       {(caddr_t *) & sine, "sine", "Sine", DEF_SINE, t_Bool}
+       {(caddr_t *) & martin, (char *) "martin", (char *) "Martin", (char *) DEF_MARTIN, t_Bool},
+       {(caddr_t *) & popcorn, (char *) "popcorn", (char *) "Popcorn", (char *) DEF_POPCORN, t_Bool},
+       {(caddr_t *) & ejk1, (char *) "ejk1", (char *) "EJK1", (char *) DEF_EJK1, t_Bool},
+       {(caddr_t *) & ejk2, (char *) "ejk2", (char *) "EJK2", (char *) DEF_EJK2, t_Bool},
+       {(caddr_t *) & ejk3, (char *) "ejk3", (char *) "EJK3", (char *) DEF_EJK3, t_Bool},
+       {(caddr_t *) & ejk4, (char *) "ejk4", (char *) "EJK4", (char *) DEF_EJK4, t_Bool},
+       {(caddr_t *) & ejk5, (char *) "ejk5", (char *) "EJK5", (char *) DEF_EJK5, t_Bool},
+       {(caddr_t *) & ejk6, (char *) "ejk6", (char *) "EJK6", (char *) DEF_EJK6, t_Bool},
+       {(caddr_t *) & rr, (char *) "rr", (char *) "RR", (char *) DEF_RR, t_Bool},
+       {(caddr_t *) & jong, (char *) "jong", (char *) "Jong", (char *) DEF_JONG, t_Bool},
+       {(caddr_t *) & sine, (char *) "sine", (char *) "Sine", (char *) DEF_SINE, t_Bool}
  };
  static OptionStruct desc[] =
  {
  };
  static OptionStruct desc[] =
  {
-       {"-/+martin", "turn on/off sqrt format"},
-       {"-/+popcorn", "turn on/off Clifford A. Pickover's popcorn format"},
-       {"-/+ejk1", "turn on/off ejk1 format"},
-       {"-/+ejk2", "turn on/off ejk2 format"},
-       {"-/+ejk3", "turn on/off ejk3 format"},
-       {"-/+ejk4", "turn on/off ejk4 format"},
-       {"-/+ejk5", "turn on/off ejk5 format"},
-       {"-/+ejk6", "turn on/off ejk6 format"},
-       {"-/+rr", "turn on/off rr format"},
-       {"-/+jong", "turn on/off jong format"},
-       {"-/+sine", "turn on/off sine format"}
+       {(char *) "-/+martin", (char *) "turn on/off sqrt format"},
+       {(char *) "-/+popcorn", (char *) "turn on/off Clifford A. Pickover's popcorn format"},
+       {(char *) "-/+ejk1", (char *) "turn on/off ejk1 format"},
+       {(char *) "-/+ejk2", (char *) "turn on/off ejk2 format"},
+       {(char *) "-/+ejk3", (char *) "turn on/off ejk3 format"},
+       {(char *) "-/+ejk4", (char *) "turn on/off ejk4 format"},
+       {(char *) "-/+ejk5", (char *) "turn on/off ejk5 format"},
+       {(char *) "-/+ejk6", (char *) "turn on/off ejk6 format"},
+       {(char *) "-/+rr", (char *) "turn on/off rr format"},
+       {(char *) "-/+jong", (char *) "turn on/off jong format"},
+       {(char *) "-/+sine", (char *) "turn on/off sine format"}
  };
  
  ModeSpecOpt hop_opts =
  };
  
  ModeSpecOpt hop_opts =
@@ -153,7 +155,7 @@ ModeSpecOpt hop_opts =
  #ifdef USE_MODULES
  ModStruct   hop_description =
  {"hop", "init_hop", "draw_hop", "release_hop",
  #ifdef USE_MODULES
  ModStruct   hop_description =
  {"hop", "init_hop", "draw_hop", "release_hop",
- "refresh_hop", "init_hop", NULL, &hop_opts,
+ "refresh_hop", "init_hop", (char *) NULL, &hop_opts,
   10000, 1000, 2500, 1, 64, 1.0, "",
   "Shows real plane iterated fractals", 0, NULL};
  
   10000, 1000, 2500, 1, 64, 1.0, "",
   "Shows real plane iterated fractals", 0, NULL};
  
@@ -188,15 +190,15 @@ typedef struct {
         XPoint     *pointBuffer;        /* pointer for XDrawPoints */
  } hopstruct;
  
         XPoint     *pointBuffer;        /* pointer for XDrawPoints */
  } hopstruct;
  
-static hopstruct *hops = NULL;
+static hopstruct *hops = (hopstruct *) NULL;
  
  void
  init_hop(ModeInfo * mi)
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
  
  void
  init_hop(ModeInfo * mi)
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
-       hopstruct  *hp;
         double      range;
         double      range;
+       hopstruct  *hp;
  
         if (hops == NULL) {
                 if ((hops = (hopstruct *) calloc(MI_NUM_SCREENS(mi),
  
         if (hops == NULL) {
                 if ((hops = (hopstruct *) calloc(MI_NUM_SCREENS(mi),
@@ -379,8 +381,11 @@ init_hop(ModeInfo * mi)
                 hp->pix = NRAND(MI_NPIXELS(mi));
         hp->bufsize = MI_COUNT(mi);
  
                 hp->pix = NRAND(MI_NPIXELS(mi));
         hp->bufsize = MI_COUNT(mi);
  
-       if (!hp->pointBuffer)
-               hp->pointBuffer = (XPoint *) malloc(hp->bufsize * sizeof (XPoint));
+       if (hp->pointBuffer == NULL) {
+               if ((hp->pointBuffer = (XPoint *) malloc(hp->bufsize *
+                               sizeof (XPoint))) == NULL)
+                       return;
+       }
  
         MI_CLEARWINDOW(mi);
  
  
         MI_CLEARWINDOW(mi);
  
@@ -392,13 +397,20 @@ init_hop(ModeInfo * mi)
  void
  draw_hop(ModeInfo * mi)
  {
  void
  draw_hop(ModeInfo * mi)
  {
-       hopstruct  *hp = &hops[MI_SCREEN(mi)];
         double      oldj, oldi;
         double      oldj, oldi;
-       XPoint     *xp = hp->pointBuffer;
-       int         k = hp->bufsize;
+       XPoint     *xp;
+       int         k;
+       hopstruct  *hp;
  
  
-       MI_IS_DRAWN(mi) = True;
+       if (hops == NULL)
+               return;
+       hp = &hops[MI_SCREEN(mi)];
+       if (hp->pointBuffer == NULL)
+               return;
+       xp = hp->pointBuffer;
+       k = hp->bufsize;
  
  
+       MI_IS_DRAWN(mi) = True;
         hp->inc++;
         if (MI_NPIXELS(mi) > 2) {
                 XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_PIXEL(mi, hp->pix));
         hp->inc++;
         if (MI_NPIXELS(mi) > 2) {
                 XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_PIXEL(mi, hp->pix));
@@ -536,12 +548,11 @@ release_hop(ModeInfo * mi)
                 for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
                         hopstruct  *hp = &hops[screen];
  
                 for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
                         hopstruct  *hp = &hops[screen];
  
-                       if (hp->pointBuffer)
+                       if (hp->pointBuffer != NULL)
                                 (void) free((void *) hp->pointBuffer);
                 }
                                 (void) free((void *) hp->pointBuffer);
                 }
-
                 (void) free((void *) hops);
                 (void) free((void *) hops);
-               hops = NULL;
+               hops = (hopstruct *) NULL;
         }
  }
  
         }
  }
  
@@ -550,3 +561,5 @@ refresh_hop(ModeInfo * mi)
  {
         MI_CLEARWINDOW(mi);
  }
  {
         MI_CLEARWINDOW(mi);
  }
+
+#endif /* MODE_hop */
diff --git a/hacks/hopalong.man b/hacks/hopalong.man

index d36a360b555c31fc23656d85cd937a10a85c5754..822f4e534e96776ce756424a643a51e80c9b8534 100644 (file)
--- a/hacks/hopalong.man
+++ b/hacks/hopalong.man
@@ -6,7 +6,7 @@ hopalong - draw real plane fractals
  [\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-ncolors \fIinteger\fP] [\-delay \fImicroseconds\fP] [\-cycles \fIinteger\fP] [\-count \fIinteger\fP] [\-jong] [\-no\-jong] [\-jong] [\-no\-sine]
  
  .SH DESCRIPTION
  [\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-ncolors \fIinteger\fP] [\-delay \fImicroseconds\fP] [\-cycles \fIinteger\fP] [\-count \fIinteger\fP] [\-jong] [\-no\-jong] [\-jong] [\-no\-sine]
  
  .SH DESCRIPTION
-The \fIhopalong\fP program generates real plane fractals as described in
+The \fIhop\fP program generates real plane fractals as described in
  the September 1986 issue of Scientific American.
  .SH OPTIONS
  .I hopalong
  the September 1986 issue of Scientific American.
  .SH OPTIONS
  .I hopalong
diff --git a/hacks/ifs.c b/hacks/ifs.c

index 3bccf872073170a619a1d67f8d570a63a0da3b97..111e5217c30c6f19c7287f1ef0138abc66219091 100644 (file)
--- a/hacks/ifs.c
+++ b/hacks/ifs.c
@@ -1,12 +1,13 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * ifs --- Modified iterated functions system.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* ifs --- modified iterated functions system */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)ifs.c           4.02 97/04/01 xlockmore";
+static const char sccsid[] = "@(#)ifs.c        5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1997 by Massimino Pascal (Pascal.Massimon@ens.fr)
- *
+/*-
+ * Copyright (c) 1997 by Massimino Pascal <Pascal.Massimon@ens.fr>
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -20,33 +21,50 @@ static const char sccsid[] = "@(#)ifs.c        4.02 97/04/01 xlockmore";
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
+ * If this mode is weird and you have an old MetroX server, it is buggy.
+ * There is a free SuSE-enhanced MetroX X server that is fine.
+ *
+ * When shown ifs, Diana Rose (4 years old) said, "It looks like dancing."
+ *
   * Revision History:
   * Revision History:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- *                       Made it render into an offscreen bitmap and then copy
- *                       that onto the screen, to reduce flicker.
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: jwz@jwz.org: turned into a standalone program.
+ *              Made it render into an offscreen bitmap and then copy
+ *              that onto the screen, to reduce flicker.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "IFS"
-# define HACK_INIT                                     init_ifs
-# define HACK_DRAW                                     draw_ifs
-# define ifs_opts                                      xlockmore_opts
-# define DEFAULTS      "*delay:                20000 \n"                       \
-                                       "*ncolors:              100   \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-ModeSpecOpt ifs_opts = {
-  0, NULL, 0, NULL, NULL };
+#define MODE_ifs
+#define PROGCLASS "IFS"
+#define HACK_INIT init_ifs
+#define HACK_DRAW draw_ifs
+#define ifs_opts xlockmore_opts
+#define DEFAULTS "*delay: 20000 \n" \
+ "*ncolors: 100 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_ifs
+
+ModeSpecOpt ifs_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   ifs_description =
+{"ifs", "init_ifs", "draw_ifs", "release_ifs",
+ "init_ifs", "init_ifs", (char *) NULL, &ifs_opts,
+ 1000, 1, 1, 1, 64, 1.0, "",
+ "Shows a modified iterated function system", 0, NULL};
+
+#endif
  
  
-/*****************************************************/
  /*****************************************************/
  
  typedef float DBL;
  /*****************************************************/
  
  typedef float DBL;
-typedef short int F_PT;
+typedef int F_PT;
  
  /* typedef float               F_PT; */
  
  
  /* typedef float               F_PT; */
  
@@ -64,18 +82,6 @@ typedef short int F_PT;
  
  #define DBL_To_F_PT(x)  (F_PT)( (DBL)(UNIT)*(x) )
  
  
  #define DBL_To_F_PT(x)  (F_PT)( (DBL)(UNIT)*(x) )
  
-/*****************************************************/
-
-static int  Max_Colors;
-static ModeInfo *The_MI;
-static F_PT Lx, Ly;
-static int  D;
-static Display *display;
-static GC   gc;
-static Window window;
-
-/*****************************************************/
-
  typedef struct Similitude_Struct SIMI;
  typedef struct Fractal_Struct FRACTAL;
  
  typedef struct Similitude_Struct SIMI;
  typedef struct Fractal_Struct FRACTAL;
  
@@ -98,16 +104,15 @@ struct Fractal_Struct {
         DBL         r_mean, dr_mean, dr2_mean;
         int         Cur_Pt, Max_Pt;
         XPoint     *Buffer1, *Buffer2;
         DBL         r_mean, dr_mean, dr2_mean;
         int         Cur_Pt, Max_Pt;
         XPoint     *Buffer1, *Buffer2;
-    Pixmap      dbuf;  /* jwz */
-    GC          dbuf_gc;
+       Pixmap      dbuf;
+       GC          dbuf_gc;
  };
  
  };
  
-static FRACTAL *Root = NULL, *Cur_F;
+static FRACTAL *Root = (FRACTAL *) NULL, *Cur_F;
  static XPoint *Buf;
  static int  Cur_Pt;
  
  
  static XPoint *Buf;
  static int  Cur_Pt;
  
  
-/*****************************************************/
  /*****************************************************/
  
  static      DBL
  /*****************************************************/
  
  static      DBL
@@ -146,11 +151,42 @@ Random_Simis(FRACTAL * F, SIMI * Cur, int i)
         }
  }
  
         }
  }
  
+static void
+free_ifs_buffers(FRACTAL *Fractal)
+{
+       if (Fractal->Buffer1 != NULL) {
+               (void) free((void *) Fractal->Buffer1);
+               Fractal->Buffer1 = (XPoint *) NULL;
+       }
+       if (Fractal->Buffer2 != NULL) {
+               (void) free((void *) Fractal->Buffer2);
+               Fractal->Buffer2 = (XPoint *) NULL;
+       }
+}
+
+
+static void
+free_ifs(Display *display, FRACTAL *Fractal)
+{
+       free_ifs_buffers(Fractal);
+       if (Fractal->dbuf != None) {
+               XFreePixmap(display, Fractal->dbuf);
+               Fractal->dbuf = None;
+       }
+       if (Fractal->dbuf_gc != None) {
+               XFreeGC(display, Fractal->dbuf_gc);
+               Fractal->dbuf_gc = None;
+       }
+}
+
  /***************************************************************/
  
  void
  init_ifs(ModeInfo * mi)
  {
  /***************************************************************/
  
  void
  init_ifs(ModeInfo * mi)
  {
+       Display    *display = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
+       GC          gc = MI_GC(mi);
         int         i;
         FRACTAL    *Fractal;
  
         int         i;
         FRACTAL    *Fractal;
  
@@ -162,10 +198,7 @@ init_ifs(ModeInfo * mi)
         }
         Fractal = &Root[MI_SCREEN(mi)];
  
         }
         Fractal = &Root[MI_SCREEN(mi)];
  
-       if (Fractal->Max_Pt) {
-               free(Fractal->Buffer1);
-               free(Fractal->Buffer2);
-       }
+       free_ifs_buffers(Fractal);
         i = (NRAND(4)) + 2;     /* Number of centers */
         switch (i) {
                 case 3:
         i = (NRAND(4)) + 2;     /* Number of centers */
         switch (i) {
                 case 3:
@@ -203,16 +236,19 @@ init_ifs(ModeInfo * mi)
         for (i = 0; i <= Fractal->Depth + 2; ++i)
                 Fractal->Max_Pt *= Fractal->Nb_Simi;
  
         for (i = 0; i <= Fractal->Depth + 2; ++i)
                 Fractal->Max_Pt *= Fractal->Nb_Simi;
  
-       Fractal->Buffer1 = (XPoint *) calloc(Fractal->Max_Pt, sizeof (XPoint));
-       if (Fractal->Buffer1 == NULL)
-               goto Abort;
-       Fractal->Buffer2 = (XPoint *) calloc(Fractal->Max_Pt, sizeof (XPoint));
-       if (Fractal->Buffer2 == NULL)
-               goto Abort;
-
+       if ((Fractal->Buffer1 = (XPoint *) calloc(Fractal->Max_Pt,
+                       sizeof (XPoint))) == NULL) {
+               free_ifs(display, Fractal);
+               return;
+       }
+       if ((Fractal->Buffer2 = (XPoint *) calloc(Fractal->Max_Pt,
+                       sizeof (XPoint))) == NULL) {
+               free_ifs(display, Fractal);
+               return;
+       }
         Fractal->Speed = 6;
         Fractal->Speed = 6;
-       Fractal->Width = MI_WIN_WIDTH(mi);
-       Fractal->Height = MI_WIN_HEIGHT(mi);
+       Fractal->Width = MI_WIDTH(mi);
+       Fractal->Height = MI_HEIGHT(mi);
         Fractal->Cur_Pt = 0;
         Fractal->Count = 0;
         Fractal->Lx = (Fractal->Width - 1) / 2;
         Fractal->Cur_Pt = 0;
         Fractal->Count = 0;
         Fractal->Lx = (Fractal->Width - 1) / 2;
@@ -221,46 +257,50 @@ init_ifs(ModeInfo * mi)
  
         Random_Simis(Fractal, Fractal->Components, 5 * MAX_SIMI);
  
  
         Random_Simis(Fractal, Fractal->Components, 5 * MAX_SIMI);
  
-       Fractal->dbuf = XCreatePixmap(MI_DISPLAY(mi), MI_WINDOW(mi),
-                                                                 Fractal->Width, Fractal->Height, 1);
-       if (Fractal->dbuf)
-         {
-               XGCValues gcv;
+#ifndef NO_DBUF
+       if (Fractal->dbuf != None)
+               XFreePixmap(display, Fractal->dbuf);
+       Fractal->dbuf = XCreatePixmap(display, window,
+                                     Fractal->Width, Fractal->Height, 1);
+       /* Allocation checked */
+       if (Fractal->dbuf != None) {
+               XGCValues   gcv;
+
                 gcv.foreground = 0;
                 gcv.background = 0;
                 gcv.foreground = 0;
                 gcv.background = 0;
+               gcv.graphics_exposures = False;
                 gcv.function = GXcopy;
                 gcv.function = GXcopy;
-               Fractal->dbuf_gc = XCreateGC(MI_DISPLAY(mi), Fractal->dbuf,
-                                                                        GCForeground|GCBackground|GCFunction,
-                                                                        &gcv);
-               XFillRectangle(MI_DISPLAY(mi), Fractal->dbuf,
-                                          Fractal->dbuf_gc, 0,0, Fractal->Width, Fractal->Height);
-
-               XSetBackground(MI_DISPLAY(mi), MI_GC(mi), MI_WIN_BLACK_PIXEL(mi));
-               XSetFunction(MI_DISPLAY(mi), MI_GC(mi), GXcopy);
-         }
-
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
-       return;
-
-      Abort:
-       if (Fractal->Buffer1 != NULL)
-               free(Fractal->Buffer1);
-       if (Fractal->Buffer2 != NULL)
-               free(Fractal->Buffer2);
-       Fractal->Buffer1 = NULL;
-       Fractal->Buffer2 = NULL;
-       Fractal->Max_Pt = 0;
-       return;
+
+               if (Fractal->dbuf_gc != None)
+                       XFreeGC(display, Fractal->dbuf_gc);
+               if ((Fractal->dbuf_gc = XCreateGC(display, Fractal->dbuf,
+                               GCForeground | GCBackground | GCGraphicsExposures | GCFunction,
+                               &gcv)) == None) {
+                       XFreePixmap(display, Fractal->dbuf);
+                       Fractal->dbuf = None;
+               } else {
+                       XFillRectangle(display, Fractal->dbuf,
+                           Fractal->dbuf_gc, 0, 0, Fractal->Width, Fractal->Height);
+                       XSetBackground(display, gc, MI_BLACK_PIXEL(mi));
+                       XSetFunction(display, gc, GXcopy);
+               }
+       }
+#endif
+       MI_CLEARWINDOW(mi);
+
+       /* don't want any exposure events from XCopyPlane */
+       XSetGraphicsExposures(display, gc, False);
+
  }
  
  
  /***************************************************************/
  
  }
  
  
  /***************************************************************/
  
-#ifndef __GNUC__
-# undef inline
-# define inline /* */
+/* Should be taken care of already... but just in case */
+#if !defined( __GNUC__ ) && !defined(__cplusplus) && !defined(c_plusplus)
+#undef inline
+#define inline                 /* */
  #endif
  #endif
-
  static inline void
  Transform(SIMI * Simi, F_PT xo, F_PT yo, F_PT * x, F_PT * y)
  {
  static inline void
  Transform(SIMI * Simi, F_PT xo, F_PT yo, F_PT * x, F_PT * y)
  {
@@ -283,7 +323,7 @@ Transform(SIMI * Simi, F_PT xo, F_PT yo, F_PT * x, F_PT * y)
  /***************************************************************/
  
  static void
  /***************************************************************/
  
  static void
-Trace(F_PT xo, F_PT yo)
+Trace(FRACTAL * F, F_PT xo, F_PT yo)
  {
         F_PT        x, y, i;
         SIMI       *Cur;
  {
         F_PT        x, y, i;
         SIMI       *Cur;
@@ -291,22 +331,26 @@ Trace(F_PT xo, F_PT yo)
         Cur = Cur_F->Components;
         for (i = Cur_F->Nb_Simi; i; --i, Cur++) {
                 Transform(Cur, xo, yo, &x, &y);
         Cur = Cur_F->Components;
         for (i = Cur_F->Nb_Simi; i; --i, Cur++) {
                 Transform(Cur, xo, yo, &x, &y);
-               Buf->x = Lx + (x * Lx / (UNIT * 2));
-               Buf->y = Ly - (y * Ly / (UNIT * 2));
+               Buf->x = F->Lx + (x * F->Lx / (UNIT * 2));
+               Buf->y = F->Ly - (y * F->Ly / (UNIT * 2));
                 Buf++;
                 Cur_Pt++;
  
                 Buf++;
                 Cur_Pt++;
  
-               if (D && ((x - xo) >> 4) && ((y - yo) >> 4)) {
-                       D--;
-                       Trace(x, y);
-                       D++;
+               if (F->Depth && ((x - xo) >> 4) && ((y - yo) >> 4)) {
+                       F->Depth--;
+                       Trace(F, x, y);
+                       F->Depth++;
                 }
         }
  }
  
  static void
                 }
         }
  }
  
  static void
-Draw_Fractal(FRACTAL * F)
+Draw_Fractal(ModeInfo * mi)
  {
  {
+       Display    *display = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
+       GC          gc = MI_GC(mi);
+       FRACTAL    *F = &Root[MI_SCREEN(mi)];
         int         i, j;
         F_PT        x, y, xo, yo;
         SIMI       *Cur, *Simi;
         int         i, j;
         F_PT        x, y, xo, yo;
         SIMI       *Cur, *Simi;
@@ -328,9 +372,6 @@ Draw_Fractal(FRACTAL * F)
         Cur_Pt = 0;
         Cur_F = F;
         Buf = F->Buffer2;
         Cur_Pt = 0;
         Cur_F = F;
         Buf = F->Buffer2;
-       Lx = F->Lx;
-       Ly = F->Ly;
-       D = F->Depth;
         for (Cur = F->Components, i = F->Nb_Simi; i; --i, Cur++) {
                 xo = Cur->Cx;
                 yo = Cur->Cy;
         for (Cur = F->Components, i = F->Nb_Simi; i; --i, Cur++) {
                 xo = Cur->Cx;
                 yo = Cur->Cy;
@@ -338,43 +379,36 @@ Draw_Fractal(FRACTAL * F)
                         if (Simi == Cur)
                                 continue;
                         Transform(Simi, xo, yo, &x, &y);
                         if (Simi == Cur)
                                 continue;
                         Transform(Simi, xo, yo, &x, &y);
-                       Trace(x, y);
+                       Trace(F, x, y);
                 }
         }
  
         /* Erase previous */
                 }
         }
  
         /* Erase previous */
-
         if (F->Cur_Pt) {
         if (F->Cur_Pt) {
-               XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(The_MI));
-               if (F->dbuf)    /* jwz */
-                 {
+               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+               if (F->dbuf != None) {
                         XSetForeground(display, F->dbuf_gc, 0);
                         XSetForeground(display, F->dbuf_gc, 0);
-/*                 XDrawPoints(display, F->dbuf, F->dbuf_gc, F->Buffer1, F->Cur_Pt,
-                                           CoordModeOrigin); */
-                   XFillRectangle(display, F->dbuf, F->dbuf_gc, 0, 0,
-                                                  F->Width, F->Height);
-                 }
-               else
-                 XDrawPoints(display, window, gc, F->Buffer1, F->Cur_Pt,
-                                         CoordModeOrigin);
+                       /* XDrawPoints(display, F->dbuf, F->dbuf_gc, F->Buffer1, F->Cur_Pt,
+                               CoordModeOrigin); */
+                       XFillRectangle(display, F->dbuf, F->dbuf_gc, 0, 0,
+                                      F->Width, F->Height);
+               } else
+                       XDrawPoints(display, window, gc, F->Buffer1, F->Cur_Pt, CoordModeOrigin);
         }
         }
-       if (Max_Colors < 2)
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(The_MI));
+       if (MI_NPIXELS(mi) < 2)
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         else
         else
-               XSetForeground(display, gc, MI_PIXEL(The_MI, F->Col % Max_Colors));
+               XSetForeground(display, gc, MI_PIXEL(mi, F->Col % MI_NPIXELS(mi)));
         if (Cur_Pt) {
         if (Cur_Pt) {
-         if (F->dbuf)
-               {
-                 XSetForeground(display, F->dbuf_gc, 1);
-                 XDrawPoints(display, F->dbuf, F->dbuf_gc, F->Buffer2, Cur_Pt,
-                                         CoordModeOrigin);
-               }
-         else
-               XDrawPoints(display, window, gc, F->Buffer2, Cur_Pt, CoordModeOrigin);
+               if (F->dbuf != None) {
+                       XSetForeground(display, F->dbuf_gc, 1);
+                       XDrawPoints(display, F->dbuf, F->dbuf_gc, F->Buffer2, Cur_Pt,
+                                   CoordModeOrigin);
+               } else
+                       XDrawPoints(display, window, gc, F->Buffer2, Cur_Pt, CoordModeOrigin);
         }
         }
-
-       if (F->dbuf)
-         XCopyPlane(display, F->dbuf, window, gc, 0,0,F->Width,F->Height,0,0, 1);
+       if (F->dbuf != None)
+               XCopyPlane(display, F->dbuf, window, gc, 0, 0, F->Width, F->Height, 0, 0, 1);
  
         F->Cur_Pt = Cur_Pt;
         Buf = F->Buffer1;
  
         F->Cur_Pt = Cur_Pt;
         Buf = F->Buffer1;
@@ -387,17 +421,15 @@ void
  draw_ifs(ModeInfo * mi)
  {
         int         i;
  draw_ifs(ModeInfo * mi)
  {
         int         i;
-       FRACTAL    *F;
         DBL         u, uu, v, vv, u0, u1, u2, u3;
         SIMI       *S, *S1, *S2, *S3, *S4;
         DBL         u, uu, v, vv, u0, u1, u2, u3;
         SIMI       *S, *S1, *S2, *S3, *S4;
+       FRACTAL    *F;
  
  
-       The_MI = mi;
-       display = MI_DISPLAY(mi);
-       window = MI_WINDOW(mi);
-       gc = MI_GC(mi);
-       Max_Colors = MI_NPIXELS(mi);
-
+       if (Root == NULL)
+               return;
         F = &Root[MI_SCREEN(mi)];
         F = &Root[MI_SCREEN(mi)];
+       if (F->Buffer1 == NULL)
+               return;
  
         u = (DBL) (F->Count) * (DBL) (F->Speed) / 1000.0;
         uu = u * u;
  
         u = (DBL) (F->Count) * (DBL) (F->Speed) / 1000.0;
         uu = u * u;
@@ -423,7 +455,9 @@ draw_ifs(ModeInfo * mi)
                 S->A2 = u0 * S1->A2 + u1 * S2->A2 + u2 * S3->A2 + u3 * S4->A2;
         }
  
                 S->A2 = u0 * S1->A2 + u1 * S2->A2 + u2 * S3->A2 + u3 * S4->A2;
         }
  
-       Draw_Fractal(F);
+       MI_IS_DRAWN(mi) = True;
+
+       Draw_Fractal(mi);
  
         if (F->Count >= 1000 / F->Speed) {
                 S = F->Components;
  
         if (F->Count >= 1000 / F->Speed) {
                 S = F->Components;
@@ -459,21 +493,14 @@ draw_ifs(ModeInfo * mi)
  void
  release_ifs(ModeInfo * mi)
  {
  void
  release_ifs(ModeInfo * mi)
  {
-       int         i;
+       if (Root != NULL) {
+               int         screen;
  
  
-       if (Root == NULL)
-               return;
-
-       for (i = 0; i < MI_NUM_SCREENS(mi); ++i) {
-               if (Root[i].Buffer1 != NULL)
-                       free(Root[i].Buffer1);
-               if (Root[i].Buffer2 != NULL)
-                       free(Root[i].Buffer2);
-               if (Root[i].dbuf)
-                       XFreePixmap(MI_DISPLAY(mi), Root[i].dbuf);
-               if (Root[i].dbuf_gc)
-                       XFreeGC(MI_DISPLAY(mi), Root[i].dbuf_gc);
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_ifs(MI_DISPLAY(mi), &Root[screen]);
+               (void) free((void *) Root);
+               Root = (FRACTAL *) NULL;
         }
         }
-       free(Root);
-       Root = NULL;
  }
  }
+
+#endif /* MODE_ifs */
diff --git a/hacks/images/ground.xpm b/hacks/images/ground.xpm

new file mode 100644 (file)

index 0000000..6f654af
--- /dev/null
+++ b/hacks/images/ground.xpm
@@ -0,0 +1,227 @@
+/* XPM */
+static char *ground[] = {
+/* width height ncolors chars_per_pixel */
+"128 128 92 1",
+/* colors */
+"  c #B4A589",
+". c #C4B19C",
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+};
diff --git a/hacks/images/sball-bg.xpm b/hacks/images/sball-bg.xpm

new file mode 100644 (file)

index 0000000..4c31310
--- /dev/null
+++ b/hacks/images/sball-bg.xpm
@@ -0,0 +1,357 @@
+/* XPM */
+static char *sball_bg[] = {
+/* width height ncolors chars_per_pixel */
+"256 256 94 2",
+/* colors */
+"   c #1D6868",
+" . c #284848",
+" X c #DF0305",
+" o c #4B4646",
+" O c #165757",
+" + c #80B4B5",
+" @ c #0C7271",
+" # c #092A29",
+" $ c #3B595A",
+" % c #4C3636",
+" & c #7F393A",
+" * c #7F3030",
+" = c #A80406",
+" - c #2F7F7F",
+" ; c #B80405",
+" : c #2F9596",
+" > c #855D5D",
+" , c #3B7777",
+" < c #A01818",
+" 1 c #409596",
+" 2 c #177271",
+" 3 c #1F3637",
+" 4 c #A67E7D",
+" 5 c #382828",
+" 6 c #56A8A8",
+" 7 c #350304",
+" 8 c #548585",
+" 9 c #176060",
+" 0 c #480506",
+" q c #5D5A59",
+" w c #758181",
+" e c #CB5F5F",
+" r c #37393A",
+" t c #386969",
+" y c #E61110",
+" u c #74999A",
+" i c #B0CBCB",
+" p c #3F8B8A",
+" a c #CF3B3B",
+" s c #980405",
+" d c #055051",
+" f c #790304",
+" g c #874343",
+" h c #86504F",
+" j c #1D4444",
+" k c #9D2827",
+" l c #075859",
+" z c #CC2727",
+" x c #609696",
+" c c #963637",
+" v c #880305",
+" b c #C71818",
+" n c #290707",
+" m c #6F1717",
+" M c #73A5A5",
+" N c #1E1313",
+" B c #208988",
+" V c #491919",
+" C c #287272",
+" Z c #419F9E",
+" A c #137D7E",
+" S c #0A6868",
+" D c #073637",
+" F c #B29D9D",
+" G c #2E2222",
+" H c #686868",
+" J c #6E7271",
+" K c #F70204",
+" L c #734A4B",
+" P c #680305",
+" I c #716060",
+" U c #175050",
+" Y c #486969",
+" T c #795454",
+" R c #547778",
+" E c #064949",
+" W c #285050",
+" Q c #074040",
+" ! c #482727",
+" ~ c #4F9697",
+" ^ c #308A89",
+" / c #7B2121",
+" ( c #184040",
+" ) c #A53D3D",
+" _ c #1A2121",
+" ` c #580405",
+" ' c #09605F",
+" ] c #571E1E",
+" [ c #C70405",
+" { c #81C4C4",
+" } c #207E7F",
+" | c #285C5C",
+".  c #608A89",
+".. c None",
+/* pixels */
+" 2 } 2 } - } - - - - p - p p p ^ p p p ^ p ^ ^ ^ ^ ^ - ^ ^ B ^ ^ B ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ p ^ ^ p ^ p ^ p p p p p p p p p 8 p 8 8 8 R R R J H I q T L g g c c k < = s v m m ] V 5 G ( ( E U l   2 2 } } B ^ ^ ^ ^ : ^ ^ : ^ ^ ^ ^ ^ - } } C 2 2     9 9 O U U j . . . 3 . r 3 r r r r r r r r r r r r r r W . . . W W W | | | | | | | t   | t   t   t t t t t t t t t t t t t t Y , Y , Y R Y , R R R R.  R.  w w w w u F + i { i i i { u.  8 Y t | 9 9 S   S 2 2 2 2 C C   t t   t t t t t C t C C C C C 2 } 2 2 } 2 2 } 2",
+" 2 C } C C C - , - p , p p , p p p p p p p p p , ^ - ^ - ^ - - } ^ - B } ^ } ^ B - ^ ^ ^ ^ ^ ^ ^ ^ p ^ ^ ^ p ^ ^ p ^ p p p p p 8 p 8 R 8 R R H H H q I T L g g c k < < s s v f ] ] G G _ 3 3 E U l '   2 2 } } - B ^ ^ ^ ^ ^ ^ ^ ^ ^ - } } } C 2 2   9 9 O U U U j . ( 3 j r r r r r r r % r % % % % r % r . o r r o . o W . W . | W | | | | t | t | t | t t   t   t   t t t t t t t t , Y , Y , R Y R R R 8 J 8 J.  w u u u + { i i i i { + u.  R t C | 9 9 9 S S S   2   2 t C   C   , t C   C t C C C C 2 } C 2 2 2 2 2 2 2 2",
+" C 2 C - - , - p p , 1 8 8 ~ 8 8 8 p p p p p p ^ p ^ - ^ - B ^ - B - B - B ^ } ^ ^ } ^ - ^ ^ ^ ^ ^ ^ ^ p ^ ^ p ^ p ^ p p p , p p R - R 8 R R R H H I T L L g & c k < = s v v m m V G 5 G ( D E d O S   2 2 } } B - B ^ ^ ^ ^ ^ } - } } } C 2 2   9 9 O O U U j j ( . 3 r r r r r r ! % ! % ! % ! r % % % r % r r r . r . . . W W W W | | | | | | | | C t | t   Y   Y t t C t , t , t , t , Y , Y , 8 8 R 8 R.  R w w w u u M + i { i i { { + u w Y Y | | O 9 ' S S   @ S 2   2   C t C     t C   C C C C 2 2 2 2 2 2 2 2 2 2 2 2",
+" C C C , - p , , ~ 8 8 ~ 8 ~ ~ x ~ ~ ~ 8 8 8 p p , p p ^ - ^ - } - } - B - } ^ } ^ } ^ B - ^ - ^ - ^ ^ ^ ^ p ^ ^ ^ p p - p p p , p 8 R 8 H Y H Y I q q T L g c k k < s s v f m ` V G G # 3 ( Q U l ' S 2 2 2 } } } B } B } B } } } } } 2 2 2   9 9 O O U U j ( ( 3 r 3 5 r 5 5 ! ! ! ! ! ] ! ] ! ] ] ! ! % % % % r r r r . . o . W W . | W | | |   | |   |   t   t C t   t t t , t t , Y , C R , R , , R 8 R. . .  u.  u M F + i { i i i + M w R Y t | | 9 O ' ' S S S   2   2   C   t C   C t C 2   2 2 2 2 2 2 2 @ 2 @   2   C",
+" C , - t , 8 8 8 8 x x x x x x x x x x ~ x ~ 8 p p p , ^ , ^ - ^ } ^ } } } B } } B - B - B - B ^ ^ - ^ - ^ ^ - p - ^ p , p , p , 8 , 8 Y R R H H I q h T & g & c < < s s v f m V V V G G _ 3 E E l O S   @ } A } } } } } } } } } } 2 2 2   S 9 l l U E j ( ( 3 r 3 r 5 5 5 ! ! ] ] ] ] % ] * ! * ! % ] % ] ! r % % r r r r r j . . . W W W | O | | | | | t   | t t   t ,   C t C , , t , t Y p Y p R 8 R 8 R. .  w w u u M + { i i { { { { u w R Y $ | | O l 9 ' '   @   2   2   2   C   C   C 2   2 2   2 2 S 2 S 2     @   C  ",
+" , t p , 8 8 p.  x x x x 6 u M M M 6 x x x ~ x ~ 8 p p p p ^ - - - - } - - } } ^ } } } B } B - } ^ } ^ - ^ - ^ - ^ , ^ - ^ , p p , - R R R H Y q I q L L L g c k < < s v f f m ` V G G # ( 3 Q j l l ' S @ 2 2 2 } } } } } } } 2 2 2     ' 9 l U d j ( ( 3 3 r 3 5 5 5 ! ! ] % ] % * ] / * ] * ] / ] * ] * ! ] ! ! % % r r r r r . . . . U W W | | O   | | | t     t     , | ,   t C , t , , , p , R 8 R 8 8. . .  u u u + { { { { i i i + u w R Y $ | | O O l ' S ' S S S   2     2 S   C S 2   2 2   2   S @   S S   S       C",
+" , , 8 R. .  x u u M u M M M u M M u M M M x x x ~ ~ 8 p p , - ^ - - - } } } - } } } ^ } - } B - B - B - - ^ - ^ - ^ - p , 8 , , 8 R Y Y R q Y I H q T g & & & k < v s v v f ] ` G 7 G _ _ D Q E d O ' '   @ 2 2 2 2 A 2 A 2 2 2 @   ' ' 9 l U E j ( D 3 3 G G 5 5 ! ! ! ] ] m m m m m m m m m / m / ] ] * ] % ] % ! ! % r r r . r . . . . . U W O | | O   | | C | C | C t , C , C , t , - , , , p R - 8. . . .  x u M M + + i i i { { { u w 8 H $ t W U O O l 9 ' ' S S S S   2 S   2   2   2 S 2   @ S S   S S   9 S       C ,",
+" , R 8.  x x M M u M M + M + + M + M + M M M M x x x 8 8 p p p , - - } - - } } } } } } } } } } } } } - B - B - - ^ - - - ^ - , p , Y 8 Y R R q q q L L L L c k / < s v v f P ] ` V G _ 5 # 3 Q j d d ' ' S S @ @ 2 @ 2 2 2 @ 2 S 9 ' ' O d E E ( ( 3 3 G 3 5 5 5 ! ! ] ] m m / m m m / m < m / m / / m / m m / * ] ] % ! ! r r r r . 3 . . . W U | | O | 9 |   | |   t   C     C C t C , - , , p , , ~ R ~ 8. .  u u M M + i { { i { i + u w R Y Y $ | W U U l l ' ' ' S S S   S 2       S 2     S S S S S S 9 ' 9   9 | t t t ,",
+" 8 8 8 x u u u M + + + { + i + + + + + + M M M M u x x p 8 8 p p - - - - } - C } } } } } } } } ^ } B } } - } - - - - ^ , - p , 8 , , R R Y q R I q q T & & & / k < v s v f f ` ] 7 V G _ _ ( D Q E d l 9 ' S   S @ 2 S @ S   ' ' ' l l d j U ( 3 D 3 _ 3 G 5 G ! ] ] m m ] m m / m < f / v / < v / < / m m / m ] / % ] ] ! % ! 5 r r r j 3 j . j W U | O | 9 | 9 C t   t   C C , C C , - t , p , 8 8 8 8 p.  x x x u M M + { { i { i { + u w J H $ W W W U O l l l ' ' S ' S S   S S S S S S S S S   S ' 9 ' ' 9 9 9 |     t , Y",
+". .  u u M M + + + + i + i { i { i { i + { + + M M M x x 8 ~ R p , , - - C } } C } } 2 } } } } } } } - } } } ^ } - - - ^ , - - , , , Y Y R Y q q q L L L & & k * v s v v f m P 0 V n G N # D 3 Q j d l l ' ' ' S S S S S ' ' ' l l U E j Q ( D ( G G G 5 G ! V ] ] m m m m / v / s v < s < s s s s < v < / < m / m m / % ] ! ! ! r r r r . . . . U j U | O O | 9 | 9     C   t C C C - , - - , p , , p p 8 8.  x x M M + { { { { i { + + u w R Y $ $ W W U U U O l ' ' ' S ' S S S S S S   S S S S ' ' ' ' 9 9 9 9 | | t t , Y 8",
+".  u u u + + + i { i { i i { i i { i { i { { + + + u M u x x 8 ~ , p - , - C - 2 } C } 2 } } } } } } } } } - } } - - - - - - , , R Y R Y H H q q q L L & & & * < < v v f f P ` ] 0 V N 5 _ # D Q E E d l l ' ' ' ' ' ' 9 ' l l U d E E ( D 3 # G 3 G 5 G V V ] ] P m m f v < s v s s s s s s s s s s < s s / < / m m m / ! ] ! ! 5 r 5 3 r 3 j r . j W U U | O O | 9 |   t   C C C C t - , - , , p 1 8 8 ~ ~ x x 6 M 6 + { { i { { i { u w w R q $ $ . . U j d d l l l ' ' ' ' ' S ' S ' S ' ' ' ' ' ' O ' O O O |   $ t Y Y 8 R",
+" u u u M + i { i i { i i i i i i i i i i i i i { + + 6 u M x p 8.  , , - , - C } C 2 2 } 2 2 2 A 2 } } } } } } - } } } - , - , , , Y , Y Y Y Y q L q L L & / k / v v v f f P ` ` V N G N 3 _ 3 3 Q j d d l l l l l ' l l l d d E E ( D ( _ D G G G G V V ] ] m m / m v / v s s s s s = = = = = = = = s s s s m v < / m ] m * ] ! ! 5 5 r r r 3 j ( . j W U U | O 9 9 9           C C C C - - - p p , p 8 8 ~ x x 6 M M { { { { { i { + + w J H q $ o W . j U U U d l l l ' ' ' ' ' ' ' ' ' ' ' l ' O l O O O O | | t t Y Y 8 R. ",
+" u M + i + { i i { i i i i { i i i i i { i { i { + + + + u u x x p 8 , p - t - C C } C 2 2 } 2 } 2 A 2 } } } } } } - C - - - , , , , Y Y Y q q H q L L & & & / s v s v f f P ` V 0 n V _ _ # # D Q Q E E d d l l l d d d d j E ( Q 3 3 D _ 5 3 G G V V V ] m P m f v v s s s s = = = = = = = = = = s = = s s s < v / m / m m ! ] ] ! % 5 r 3 r 3 . ( . j j U O O | O 9 9     2 C C C - - - - , - , 1 8 ~ ~ ~ x x x M 6 { { { i { { { + 4 x J J $ q . . . j U j d U l l l l ' l ' ' ' ' ' l ' l l l l O O O | | W $ $ Y R R R.  u",
+" + + + { i i i i i i i i i i i i i i i i i i i i i i + + M u M x.  8 8 , , - C C C C C 2 C 2 2 2 2 } 2 } 2 } 2 } C } } - C - , - , t R Y Y Y q q q L o & & / k / v v v f P P P 0 0 V N N _ _ # 3 D Q Q E E U E d E d d j E Q Q 3 D ( _ _ 3 _ V N V V V m m P m v v v s s s s = = s = < = = < = < = = = = = = s s s < s m / m m / ] ! ! 5 5 5 5 r 3 j ( j U . U U O O 9 | 9   t   C 2 C C C - - p p p p 1 8 ~ ~ M 6 6 + { { { { { { i M u w J H q o $ o . . j j d U d d l l l l l l l l l l l l l O U O U U W | $ t Y Y R R u w M",
+" + F { i i { i i { i i i i i i i i i i i i i i i { i i { + + u u x.  ~ R , p t , C C 2 C 2 2 2 2 2 2 A 2 A 2 } } 2 } C } - C - t , Y , Y Y q q q q L L L * / * v v v v f f P ` ` 0 N V N G # _ # 3 Q Q Q E E E E j E Q Q Q 3 D D _ # _ G N V G V V ` m P P f v v v s s s = = s < < < < < < < < < < < = = = = = s s s s < m / m m ] ] ! ! ! r G r 3 r ( 3 j j j U U O O 9 9   S   C C C C - - - - p , p 8 ~ ~ x 6 6 M { + { { i { { { u u w J H $ $ o . . ( U j U E U d d d l l l l l l l d U d U U U U W | W $ t $ Y R R.  w M +",
+" { { i i i i { i i i { i { i { i { i i { i i i i i i { i + + M M u x.  8 8 Y - , C C C C 2 C 2 2 2 2 2 2 } 2 } 2 } C } C - C - , C , Y Y Y Y Y q q o & L & / / < v v f f f P ` 0 0 7 7 G _ G _ # # D 3 Q D Q Q Q Q Q ( D 3 D _ _ # 5 N G 5 n V 0 ] ` m f m v v v s s = s = < < < < < b < k b < b < b < < < = = = = s s v v v m ] m m ] ! ! 5 5 G 3 3 r 3 ( j U j U O O O 9 9       2 2 } C - - - ^ p p p ~ ~ Z x M 6 6 { { { { { i + F u w J H q q . o . 3 j ( E j j d U d d d d d d d d U d U U j U U W W W $ Y Y R w w u u u +",
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+" { 6 M 6 M M x 6 M x x x x x x x x x x x u u u M u M + { { i { { { { i i { i + + u u.  w R R Y $ t t | | | 9 O 9 9 ' 9 S S S @   2   C   t t t q o $ L o % / m m f v f f f f f P P P ` ` ` 0 0 0 0 0 0 0 0 0 0 0 0 ` ` ` P P f f f v f v v v / v * / & & & L L o L q L q I q q q I q Y q q H q I q T I q q L L g L & & c & / k * < s s s s v v f f P m ] ` V G V G G 3 G _ D 3 Q ( E U l ' ' S   2 } } B ^ ^ : Z Z 6 Z 6 6 6 { 6 { + + u u w 4 J I I T q L L o o r o r % o % o o o % o o o q I I H J w w F u + { { { { { { { { {",
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+" 1 : 1 ^ ^ ^ ^ - B - } } - } } - C } } - - - - - ^ - p p p p ~ ~ ~ 6 M 6 6 { 6 { { { { { { + + M u w w J q q $ o . . . U j E d d l ' ' '   ' S   | | $ $ o o % % ] m m P f f f f f f f v f f f f f f f f v f v f f f f m m m / ] % % o L o $ o q Y $ t t t   C t C C C C C C } C 2 C 2 } C 2 C C C } C , C , t , t Y Y q Y q q q L o L L * & / * / v v v v f v f f P P ` ` ` 0 7 G n G N _ 3 # D D Q E d l ' S @ @ A B B : : Z Z Z 6 Z { Z 6 6 + M x u u w w w 4 J 4 J J > w > w w w w w u u u + M + + 6 { { 6 6 6 { Z Z 6 Z Z Z",
+" : 1 : ^ ^ ^ ^ } - } - } } } C } C } C } C } } - - - - ^ p p p 1 ~ ~ ~ 6 6 6 { { { { { { { i + u F w J J H q $ o . o 3 j j U j d d l ' ' ' 9     | | W $ r o r & % ] m m P f f f v f v f f f f f f f f v f f f f f f f v / ] * % & L o o q o $ $ t $ t t t t C C C C C 2 C 2 C 2 } 2 C 2 } C } C } C C C t C , , t t t Y Y $ $ q q o L % L % * / k m v f v v f f f f P P ` ` 0 0 7 n V N _ N _ # 3 Q Q d d ' S @ @ A A : : : Z Z Z 6 Z Z { 6 6 6 M M u u u w w w w w w w 4 w w 4 w u 4 w u F u M M + 6 { { Z { { 6 6 6 Z 6 Z Z Z",
+" 1 : ^ ^ ^ ^ } ^ } } } C 2 C } 2 2 } C 2 } C } - } - ^ - p ^ p 1 1 ~ 6 ~ 6 6 { 6 { { { { { { + + u u w J J q q o o W . r E j U d d l l ' ' S 9 9 9 | | $ . o o % ] ] m m f f f f f f f v f v f v f v f f v f f f f f m m ] * ] % o % o o o Y $ $ t $ t   t C   C C 2 C 2 C 2 2 2 C 2 2 C 2 2 2 2 C C } C C C C t t t t Y Y q Y o q q o L L * * / m / / v v f v f f f P P ` ` ` 0 0 7 n G N N 3 # # D Q E d l ' S @ A A B B : : Z Z Z Z 6 Z 6 6 + 6 M M u u u 4 w w w w w w w w w w w u u u u M M M { 6 { 6 6 6 6 6 6 Z 6 Z Z Z :",
+" : ^ : ^ ^ } B } } } 2 } 2 } 2 2 C 2 2 C 2 C } C } - - - ^ ^ p p 1 1 ~ 6 6 6 Z { { { { { { { + F + w w w J q q $ o o r j . ( E j d d l l ' ' S     | | W $ o o % % ] ] m P P f f f v f f f f v f f f v f f f f f f m m m ] / % & o L o q $ $ Y $ $ t t t   C t C   C 2 C 2 2 C 2 2 2 2 2 2 } 2 C 2 2 2 C C C C C C , t t t Y $ q $ q q o o & % & / m m v f v v f f f f P P ` ` 0 0 V 7 7 n _ N _ # 3 D Q E d l ' S @ A A B : : Z Z Z Z 6 6 6 6 6 6 M u u u u w u w 4 w 4 w w 4 w u 4 u u u M u + 6 6 { 6 6 { 6 6 { 6 Z 6 Z Z : Z",
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+" ^ B } B A } 2 A @ 2 @ 2 S S S 9 S ' S ' ' '   ' S   S   2 2 2 } } } ^ ^ ^ : Z Z 6 Z 6 6 { { { { + + u F w w J I q L % o r r r 3 3 ( Q E d l l ' ' 9 9 9 W | o . . % % ! ] ] ] P m P P f P f P P f P f P m m m ! * ] % % % o W o . o $ $ | | | 9 t 9     S   S   S   S   S   S S S S S S S S S S S S S S   S 2 S   @   2 t       t $ t $ q $ o o o % & ] / / m f f f v f f f f f P P ` ` 0 0 0 7 7 n N N # _ D D Q E d l ' @ A A A B B : : Z : : Z 6 Z 6 6 6 6 6 x 6 x 6 u x M x M x M x 6 M 6 + 6 6 Z { Z Z 6 6 Z Z Z : Z : : ^",
+" B B B } } A 2 2 2 @ S S   S S S ' 9 ' ' 9 ' ' 9 S '   @   2 2 } } } ^ ^ ^ : Z Z Z 6 6 6 6 { { { { + + u w w J I q q o o % r 3 3 ( ( Q E d d l ' ' ' 9 O | | W . o o % % ] ! ] m m P P P P P f P P P m m ` m ! m ! % & r % o o . $ $ W | | |   t S           S S   S S S S S ' S ' ' S ' S S S   S S S   S @   S 2   2       t   $ t $ $ $ $ o L o o % * ] m m f f f v f f f f P f P P ` ` 0 0 7 7 N N N _ _ # D D E d l ' ' @ @ A B B B : : Z Z Z Z Z 6 Z 6 6 x M 6 x u x x M x x M 6 x M 6 6 6 6 6 6 Z { Z 6 6 Z Z Z Z : : : B",
+" B B B } A A A 2 @ 2 S 2 S S ' ' ' ' ' ' ' ' ' ' 9 ' S S S 2 2 2 2 } } B ^ B : Z Z Z 6 6 { Z { 6 + + + u u 4 J I I L o o % r r 3 3 3 ( E d d l l l ' 9 9 U | W o . r % % ! ] ] ] V P m P f P P P P m ` m m m ! ] ] ! % % o o o o $ $ | $   | | 9   9 S 9 S   S   S S S ' S ' S ' S ' S ' S ' ' ' S ' S S S S   S   S   2       t C | $ $ $ $ o o o & % L ] / m m f f f f v f f f f P P ` ` ` 0 0 7 7 7 N N _ _ # D Q E d l ' S @ A B B B : : : : : Z Z Z 6 ~ 6 6 6 x 6 x 6 M x 6 M x M x 6 6 6 6 6 6 6 Z Z 6 Z Z 6 Z Z : : : : B",
+" B B B A } A 2 @ @ @   S S S ' ' ' ' ' ' l ' ' ' ' ' ' S   S 2 2 A } } B ^ ^ : Z Z Z 6 6 6 { { { { + M u u w w J I q L % o r r 3 3 ( Q Q E d d ' ' l 9 9 9 | W . o . % % ! ] ] m m m P m P P m P m P m ] ] ] ] % ] % % o r o . . $ $ W | | | |     9       S S ' S 9 S S ' S ' ' ' ' ' ' ' S ' S ' ' S ' S S S S S 2               | t $ $ $ o $ o o % % / % m / f f f v f f f f P f P P ` ` 0 0 7 7 7 N N N # # D D Q E l ' S @ @ A A B B : : : : Z Z Z Z 6 Z ~ 6 x M 6 x x 6 x x 6 x 6 M 6 6 6 6 6 6 Z 6 Z 6 Z 6 Z Z Z : : : B",
+" B B B A } A A 2 2 @ @ S ' S ' ' ' ' l 9 l ' O l ' ' 9 ' S 2 S 2 2 } } } B : : : Z Z Z 6 6 6 6 6 6 + + + u 4 w I H T o o % ! r r 3 3 3 Q E d d l l ' ' 9 O | | W o . r % % % ] ] ] V m 0 m m P m ` m ] m ] m % ] ] % % o r o o r $ W $ | t | 9 |   9   9 S   ' S S ' S ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' S ' S ' S S   S   S       t | C | t $ $ $ o o o L % % / m m f f f f f f f f f f P P P ` ` 0 0 7 7 n n N _ _ # D Q E d l ' S @ A A B B B : : Z : Z Z Z Z 6 6 6 Z 6 ~ 6 M x 6 x M 6 x 6 6 6 6 6 Z 6 6 6 Z 6 Z Z Z Z : : : : B",
+" B B B } A A A @ @ @ S S   ' S ' ' l l l ' l l ' l ' ' ' ' S S 2 @ 2 A } } ^ ^ : Z Z Z 6 6 { { { { { + u u u w J > q L o o % r r G 3 ( ( Q E d l l ' l 9 O O | W . r o % % ! ] ! ] ] m m P V P m m P V m ] ] ] % % % % o o . . $ $ W W | | 9 | 9 9   9 S 9 S ' S ' ' ' S ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' S ' S S S   S   S   S   9 t | | $ $ $ o o o % % % / ] m m f f f v f v f f f P P P ` ` ` 0 0 7 7 n N N _ # # D Q E d ' ' S @ A A B B : B : Z : Z Z Z Z Z 6 ~ x 6 x Z x M 6 x 6 M ~ 6 6 6 6 6 Z 6 Z 6 Z Z 6 Z Z : : : : :",
+" B B B A } A A 2 @ 2 S S S ' ' ' ' l ' l l l l l l l l ' ' ' S S @ 2 2 } } B : : : Z Z 6 Z 6 6 6 6 { M + M w 4 J J T q L % % ! 3 3 3 3 ( Q E d l l l ' 9 9 U | W W . r r % % ! ] ] ] ] V ] m m 0 m ] m ] ] % ] ] % % % o r o o $ r | | | | | 9 C 9 9 9 S   '   ' ' S ' ' ' ' ' ' ' ' ' l ' l ' ' ' ' ' ' ' ' ' S ' S S S       9   |   | $ $ $ $ o o o & % ] % / m P f f f f f f f f f P P P ` ` 0 0 7 7 7 N _ N # # D D E d l ' S @ A A A B B : : : : Z Z Z Z 6 Z 6 6 ~ 6 x x 6 x 6 ~ x 6 6 6 Z 6 6 6 Z 6 Z 6 Z Z Z : Z : : : B",
+" B B B } A A 2 @ @ @ S S S ' ' ' l ' l l l l l l l ' l ' 9 ' S   2 @ A A } B B B : Z Z Z 6 6 { 6 { 6 { M u 4 u J > H L o o % r r G 3 3 D Q E d d l l ' l 9 O | W W o . o r % ! ! ] ] ] m ` m V m ] V ] ] ] ] % % % % r o r . . $ W | W | | 9 | 9 9   9 S 9 S ' ' S ' ' ' ' ' ' ' l ' l ' l ' l ' ' ' ' ' ' ' S ' ' S S 9   9     9   | | | $ W $ o o o r % % / ] m m f f f f v f f f f P P P ` ` 0 0 0 7 7 n N N _ _ # D E E d l S S @ A A A B : B : : : Z Z Z Z Z 6 ~ 6 Z M Z x 6 x 6 6 x ~ 6 6 Z 6 Z 6 Z Z 6 Z Z Z Z : : : B B",
+" B B B } A A A @ 2 @ S S S ' ' ' ' l l l l l l l l l l l ' ' ' S S 2 2 A } } B : : : Z Z Z 6 6 6 { 6 + + M u w w J T q L % % % r 5 r D 3 ( E E d l l ' O 9 O O W W . r r % % ! % ] ] ` ] ] V m ] ] m V m % ] ! ! % % % r o . o . $ $ | 9 | | 9 9 9 9 9 9 S ' 9 ' ' ' ' ' ' ' ' l ' l l ' l l ' l l l l ' ' ' ' ' S ' ' S S S   9     | | | | $ $ W . o o & % ] % m m P f f f f f f f f f f P P ` ` 0 0 7 7 n n _ N # # D Q Q d l ' S @ A A A B B B : : : : Z Z Z Z Z Z 6 ~ ~ ~ 6 x ~ 6 x Z 6 6 Z 6 6 Z 6 6 Z Z Z Z Z Z : : : B :",
+" B B A B A A 2 @ @ @ S S S ' ' ' l l l l l d l l l l l l ' ' ' S S S 2 2 A } B B : : Z Z 6 6 6 { { 6 { M M u 4 J J > L L o % % 5 r G 3 3 D Q E d d l ' ' l 9 | | W W . r r % % ! ] ] % ] ` ] ] ] P ] ] ] ] ] % % % r o r . o . . W W | W | 9 9 | 9 9 S S 9 ' ' ' ' ' ' ' l l ' l ' l l l l l l l ' l ' l ' ' ' ' ' ' S ' 9 S 9   9 9 C | | | $ . $ o o o r % ] * m m P f f f f v f f f f P P P P ` ` 0 0 7 7 n N N _ _ # D Q E d l ' S @ A A B B B B : : Z : Z Z Z Z 6 ~ 6 Z M ~ 6 ~ 6 ~ 6 x 6 Z 6 Z 6 Z Z 6 Z Z Z Z Z : : : B :",
+" B B B A A A A 2 @ @ S S S S ' l ' l l l l l d l d l l l l l ' ' S S @ 2 A } A B : : Z Z Z Z 6 6 Z { 6 + u u w w J I q o L % % % 5 3 G D ( Q E d d l l l 9 O O O W . o r r % % ! ! ! ] ] ] m ` ] ] ] ] ! ] ! % ! % % r o . o . o | W | | O | 9 9 9 9 9 9 ' ' ' ' ' ' l ' l ' l ' l l l l l l l l l l l l l ' l ' ' ' ' S ' S   9   9 9 9 | W | $ $ W o o o % % ! ] ] m P f f f f f f f f f f P P ` ` ` 0 7 7 7 n N _ # # D D E d l ' S @ @ A A B B B : : : : Z Z Z Z ~ 1 6 ~ ~ ~ 6 ~ ~ 6 ~ 6 Z 6 Z 6 Z 6 Z Z 6 Z Z Z : : : : : B",
+" B B B A B A A @ @ @ S S S ' ' ' l l l d d d d d l d l l l ' ' ' S   @ @ 2 A B B B : : : Z 6 { 6 6 { 6 + + u 4 w J > > L % L % ! r G 3 3 3 Q Q E d l l ' l 9 O | W W . . r % r ! ! ] ! ] ] ] ] ] ] ] ] ] ] % ! % % % r r r W o W W | W | | O 9 9 9 ' 9 S ' 9 ' ' ' ' ' l ' l l l l l l l l l l l l l l ' l ' l ' ' ' ' ' 9 S ' 9 9   | |   | | W $ o . o o o % ] % m m f P f f f v f f f f f P P ` ` ` 0 0 7 7 7 N N N # # D Q E d l ' S @ @ A A B B : : : : : Z : Z Z 6 ~ Z 6 ~ ~ x ~ 6 ~ 6 Z 6 Z 6 Z Z Z Z Z Z Z Z : : : : B :",
+" B B B B A A A 2 @ @ @ S S S ' ' ' l l l l d l d d d d d l l l ' ' S S @ 2 A B B B : : Z Z Z Z 6 { 6 { 6 M u u w w I T q & % % % 5 5 3 _ D 3 Q E d l l l ' O O O W W . r r r r % ! ! ] ! ] ] ] ] ] ] ] ! ! ! ] % r % r o o . W . W W | | O | 9 9 9 9 9 ' 9 ' ' ' l ' l ' l ' l l l l l l l l l l l l l l l l l ' l ' ' ' ' ' 9 S 9 9 9 9 9 | | W $ W o . o ! L ] ] ] m m P f f f f v f f f f f P P ` ` 0 0 7 7 n n N N # # D Q E d l ' @ @ A A A B B B B : : : Z 1 Z ~ Z Z ~ ~ 6 ~ 6 6 ~ ~ ~ Z 6 Z Z 6 Z 6 Z Z Z Z Z : Z : : : B",
+" B B B A A A A @ A @ S S S ' ' ' l l l l d d d d d d d d l l l ' ' ' S @ 2 A } A B B : Z Z Z 6 6 6 6 { 6 + M w 4 J J > L L % % ! r 5 3 r 3 D Q E E d l l l 9 O O O W . . o r % % ! ! ! ! ] ] ] ] ] ! ] ] % ! ! % % % r r . o . W W | . O | O 9 9 9 9 ' 9 ' ' ' ' ' l ' l ' l l l l l l l l l d l l l l l l l ' l ' l ' ' ' ' S 9 9 9 9 9 | | | | W $ . o r o % % ] m ] m P f f f f f v f f f P f P P ` ` 0 0 7 7 7 N N N # # D Q E d l ' S @ A A A B B : : : : : Z Z Z 1 Z 1 6 ~ ~ ~ ~ Z ~ 6 ~ 6 Z 6 Z Z Z Z Z Z Z Z : : : : B :",
+" B B B B } A A A @ @ @ S S S ' l ' l l l l d l d d l d d d l l l ' ' S @ @ 2 A B B : : : Z 6 Z Z { 6 6 + M M u w w J T L L L % % ! 5 G G D 3 Q Q d d l l ' l 9 O W W . . r r r ! % ! ! ] V ] V ] ! ] ! ] ! ] ! r % r o o r . . o W W W | O | O 9 O 9 ' 9 ' ' ' ' l ' l ' l l l l l l l l d l l d l d l d l l l l l ' l ' ' ' ' ' S 9 9 9 9 9 | | W $ o . o o % % % ] ] m P P f f f f v f f f f P P P ` ` ` 0 7 7 n n N N # # D D E d l ' S @ A A A B B B B : : : : 1 Z 1 Z ~ 1 Z ~ 6 ~ ~ 6 ~ ~ Z 6 Z Z Z Z Z Z Z Z : Z : Z : : B",
+" B B B A B A A @ 2 @ @ S S ' ' ' l l l l d d d d d d d d l d l l ' ' S S @ 2 A A B B : : Z Z Z 6 6 6 { 6 6 + u w 4 J > q L % % ] ! 5 r G ( 3 ( Q E d l l l ' O O O W W . r r r % ! ! ! ! ] ! ] V ] V ] ! ! ! % % % r r r . o . W W W | | O O | O 9 9 l 9 ' l ' l ' l ' l l l l l l d l d l d l d l d l l d l l l l l ' ' ' ' ' ' 9 ' 9 9 9 | O | W W $ . o r o % ] ! ] m m P f f f f f v f f f f P P P ` ` 0 0 7 7 7 N N _ _ D D Q E d ' ' S @ @ A A B B : B : : Z : Z Z 1 Z 6 ~ 1 ~ ~ ~ ~ ~ ~ Z Z 6 Z 6 Z Z Z Z Z Z : : : : : B",
+" : B B B B A A A A @ S @ S S ' ' ' ' l d l d d d d d d d d d l l l ' ' S @ @ A A A B : : Z Z 6 Z Z { 6 6 + u u w w J I L L & % % % 5 5 G # 3 D Q E d d l l l 9 O O U . . . r r r r ! ! ! % ] V ] ] % ] ! ! ! ! ! r r % r r r . . W W W U | O O 9 9 O 9 ' 9 ' ' ' ' l l ' l l l l d l l d d l d d d l d d l d l l l l l l l ' ' ' ' 9 9 9 9 9 | | | W W o . r o % % ] ] V m P P f f f v f v f f f f P P ` ` ` 0 7 7 n n N N # # D Q E d l ' S @ A A A B B B : : : : : 1 1 Z ~ 1 Z ~ 6 ~ ~ ~ ~ 6 ~ Z Z Z Z Z Z Z Z : Z : Z : : B :",
+" B B B B A A A A @ @ @ S S S ' ' l l l l d d d d d d d d l d l l l ' ' S S 2 2 A B B B : : Z Z 6 Z 6 6 { 6 M u w 4 J > T T L * ! ! ! 5 G 3 3 3 Q E E d l l ' l O O | W . . r r % % ! ! ! V ! ! ] ! ] ! ! ! ! % % r % r r . o . . W W | W O | O 9 O 9 ' l l ' l ' l ' l l l l l l l d d l d d d l d d l d d l d l l l ' ' l ' ' ' ' 9 ' 9 O 9 O | W W W . o . r % % ! ! ] m P P f f f f f v f f f f P P P ` ` 0 0 7 7 7 N N _ # D D E E l ' ' @ @ A A A B B B : : : : Z : 1 Z ~ ~ 1 ~ ~ 6 ~ ~ ~ 6 ~ 6 Z Z Z Z Z Z Z : Z : : : : B",
+" : B B B B B A A A @ @ @ S S S ' ' ' l l l d d d E E d d d d d l l ' ' S S @ @ A A B : : : Z Z Z Z { 6 6 M M M w w J H T L % & % % ! 5 G 3 _ D Q E E d l l l 9 O O U W . W r r r r ! ! ! ! ] ] V ! ! ] ! ! ! ! ! % r r r r j o . W W W O | O O O O 9 O 9 ' 9 ' l ' l ' l l l l l d l d l d d d d l d d d d l d l l l l l ' l ' l ' ' ' 9 9 O 9 O | | $ W o . r o % % ] ] m m P P f f v f v f v f f f P P ` ` 0 0 7 7 7 N N N # # D Q E d l ' @ @ @ A A B B B B : : : : Z 1 1 Z Z ~ ~ 1 ~ ~ Z ~ ~ Z Z Z Z Z Z Z Z Z Z : : : : : :",
+" B : B B A A B A @ @ @ @ S S ' ' ' l l l d d d d d d E d d d d l l l ' ' S @ @ @ A A B B : : Z 6 Z Z 6 6 6 + M w u > J > L L % % ] ! 5 G 3 _ 3 D Q E d d l l l O O O W . . r r r r % ! ! ! ! V ] V ] ! ! ] ! % ! r % r r . r . . . W W W O | O O 9 O ' O ' l ' l ' l l l l l d l l d l d d d d d d d l d l d d l d l l l l l l ' ' O ' O 9 9 O | U | . W . o r % r % ] ! ] P P P f f f f f v f f f f f P P ` ` 0 0 7 7 n N N _ # D Q Q d l ' S @ @ A A B B B : B : : : Z 1 Z 1 ~ Z ~ ~ ~ ~ ~ ~ ~ ~ ~ Z Z Z Z : Z : : : : Z : : B",
+" : B B B B B A A A @ @ @ @ S S ' ' ' l l l d d d E d E d d d d d l l ' ' S S @ A A A B : : Z Z 6 Z 6 6 { 6 M u u w 4 > > L L & * % ! 5 5 3 G 3 Q Q E d d l ' l 9 O U U W . . r r r r ! ! ! ! ! ! ] ! ] ! ! ! ! ! r % r r o r o . . W U W W U | O O 9 l 9 l 9 l ' l ' l l l l l d l d l d d l d d d d d d d d d d l d l l l l ' l ' l ' ' 9 9 O 9 | O W W . W r . % % % ] ] ] P P P f f v f v f v f f f P P P ` 0 0 7 7 n n _ N # # D Q E l ' ' S @ A A A B B B : : : : : : 1 1 1 ~ 1 ~ 1 ~ ~ ~ ~ Z ~ Z Z Z Z Z Z Z Z Z : : : : :",
+" B : B B B A A A A @ @ @ S @ S ' ' ' l l d l d d E d E E d E d d d l l ' ' S @ 2 A A B B : : : Z Z 6 6 6 6 + M w u J J > T L % % ] ! ! 5 G # 3 3 Q E d d l l l O O O W W . r . r r ! % ! ! ! V ] V ! V ! ! ! % ! r % r r r . . . . W W W O O O O 9 O 9 l 9 l ' l l l ' l l l l l d l d d d d d d d d d d d d d l d l d l l l l ' l ' O ' O 9 O O O | | W W o . r % % ! ! ] ] m P P f f f f v f v f f f P P ` ` ` 0 0 7 7 N N N # # D Q E d l ' S @ @ A A B B B B : : : 1 Z 1 1 1 1 ~ ~ ~ 1 ~ 1 ~ ~ ~ Z Z Z Z Z : Z : : : : : : :",
+" B : B B B A B A A A @ @ @ S S ' ' ' l l l d d d d E E d E d d d d l l ' S S @ @ A A B B : : Z Z 6 Z 6 6 6 6 u u w w I I T L L & ] ! ! 5 G G # 3 Q E E d d l l ' O O U W . . r 5 r r 5 ! ! ! ! V ! V ] ! ! ! ! ! G % r r r r r . . . W U W W | O O O O l 9 l ' l ' l l l l l d l d l d d d d d d d E d d d d d d d l d l l l l l ' l ' l ' 9 9 9 O O O W W j o . r % ! ! ] V m P P P f f f v f v f f f f P P P ` 0 0 7 7 7 N N _ # D D Q d l ' S @ @ A A A B B : B : : : : 1 1 1 1 ~ 1 ~ ~ ~ ~ ~ 1 ~ ~ Z Z : Z Z Z Z Z : : : : :",
+" : B B B B B A A A A @ @ @ S S S ' l ' l d d d d E d E E d d E d d l l ' ' ' S @ @ A A B : : : Z Z Z { Z { 6 6 u w 4 w > T L * % ] % ! 5 5 3 3 3 D Q E d l l ' l O O U W . . r r r % 5 ! ! ! ! ] ! ] ! V ! ! ! 5 % 5 r r r r r W . . W W U U O O O 9 O ' O ' l ' l ' l l l l l l d d d l d d d E d d d d d d d d d d d l l l l l l ' l 9 l O O O O | W W W . . r r r % ! ] ] ] P P f f f f v f v f v f f P P ` ` ` 0 7 7 7 N n N # # D E E d ' ' S @ A A B B B B : : : : 1 1 1 1 ~ 1 ~ ~ ~ ~ ~ ~ ~ ~ 1 ~ ~ Z Z : Z : Z : : : : :",
+" B : : B B B B A A A @ @ @ @ S S ' ' l l l l d d d E d E E E d d d l l l ' ' S @ @ A B B : : : Z Z Z Z 6 6 M M u w w J I T g o & & ] ! G 5 G G D Q Q E d d l l l O O U U . . . r r r r ! ! ! V ! V ! V ! ! ! ! ! ! % % r r r . r . . . W W W | O O O O ' O ' O ' l l l l l l d l d l d d d d d d d E d d E d d d d d l d d l l l l l l ' l ' 9 9 O U | O W W . o r r % ! ! ] ] ` P P f f f f v f v f f f f P P ` ` 0 0 7 7 n N N _ # D Q E d l S S @ @ A A B B B B : : : : 1 1 1 1 1 ~ 1 8 ~ 8 ~ 8 ~ ~ ~ 1 Z Z Z Z : Z : Z : : :",
+" : B : B B B A B A A A @ @ S S S ' ' ' l l d l d E E E E d E E d d d l l ' ' S @ @ A A B B B : Z Z Z 6 Z 6 6 M u w w 4 > I L & % ] % ] ! G G 3 3 3 Q E d d l l ' l O O W j . j r r r ! 5 ! ! ! V ] V ] V ! ! ! 5 % 5 r r r r r . . . W U W U O O O O O O ' O ' l ' l l l l l l d l d d d d d d d d d d E d d d d d d l d l l l l ' l ' l 9 l O O O O O W W . . . r r % r ! ! ] ] P P P f f v f v v f v f f f P ` ` ` 0 7 7 7 N N _ # D D E d l ' S @ @ A A A B B B : : ^ : 1 1 1 1 ~ p ~ 8 ~ p ~ ~ 8 ~ 1 ~ ~ 1 : Z Z : Z : : : :",
+" : B : B B B B A A A A @ @ @ S S S ' ' l l d d d d d E E E E d E d d l l ' ' S S @ @ A A B : : Z Z Z 6 6 Z M 6 u u w w J T T L & & ] ! ! 5 G G _ D Q Q d d d l l O O U U . . r . 5 r r ! ! ! V ! V ! V ! V ! ! ! ! % 5 r r r r . . . . . W U W O O O O O l 9 l l l ' l l l l d l d d l d d d d d d E d d d E d d d d d l d l d l l l l l ' l ' 9 O O O O U W . r . r r % ! ] ` ] ] P P f f f f v f v f f f f P P ` ` 0 0 7 n n N _ _ # D Q E l l ' @ @ A A A B B : B B : : : 1 1 8 1 8 ~ ~ 1 8 ~ ~ ~ ~ 8 ~ 1 ~ Z Z : Z : : : : :",
+" : : B : B B B A A A A @ @ @ S S S ' ' l l l d d d E E E E d E d d d d l ' ' S S @ @ A A B B : : : Z Z 6 6 6 6 u w w J 4 L T & % / ] % V G 5 G ( 3 Q Q E d l l ' l O O U W j . r r r 5 ! 5 ! ! V V ] ! V ! V ! ! 5 ! r r r r r r . . . . U W U U O O O O l O ' O ' l l l l l l l d l d d l d d d d E d E d d d d d d d d d l d l l l ' l l 9 l O 9 O O W W W W . r r r r ! ! V ] P P P f f f v f v v v f f f P P P ` 0 0 7 7 n N N # # D Q E d l S S @ @ A A B B B : : : : p 1 1 1 8 1 p ~ 8 ~ ~ 8 8 ~ ~ p ~ ~ 1 1 Z Z : : Z : :",
+" : B : B B B B B A A A A @ @ @ S S ' ' ' l l d d d E d E E E E E d d d l l ' S S @ @ A A B B : : Z Z Z 6 6 6 6 u M w J J > L L * L ] ] ! 5 G G # 3 D E E d d l l l O O U j . . 3 r r r 5 ! ! V ! V ! V ] ! V ! ! ! 5 ! 5 5 r r r 3 . . . . W U W O O O O l 9 l l l l ' l l l l l d l d d d d d d d d E d d d E d d d d d l d l l l l l l l l 9 l O O O O U U . . . r r r % ! ! ] ] ` P P f f f f v v f v f f f P P ` ` 0 7 7 n N _ N # D D E d l ' S @ @ A A A B B B : ^ 1 : p 1 p Z 8 ~ 8 8 ~ 8 p ~ 8 p ~ 8 1 ~ 1 : Z : Z : : :",
+" : : : B B B B B A A A @ @ @ @ S S ' ' ' l l d d d d E E E E E E d d d l l l ' S @ @ A A B B : : : Z Z Z 6 6 6 u u w w > > > g & % * ! ] ! G G G ( 3 Q E d l l l ' l U U W . . r r r 5 ! ! ! ! V ] V V ! V V ! ! ! ! r % r r r r . r . . U U W U U O O O O l ' l ' l l l l l l d l d d l d d d d E d d d E d d E d d d d d d l d l l l ' l ' l O ' O O O W W W . . r r r 5 ! ! ] ] P P P f f f v f v v f v f f P P ` ` 0 0 7 7 n N N # # D E d l ' ' @ @ A A B B B B B : : ^ 1 1 p ~ p 8 p ~ 8 ~ 8 ~ ~ 8 ~ ~ ~ 1 ~ 1 1 : : : : :",
+" : : : B : B B B B A A A @ @ @ S S S ' ' l l l d d E d E E E E E E d d d l ' ' S @ @ A A A B : : : Z : 6 Z 6 6 x u w w w > T L g % / ] ] V 5 G G D D Q E E d d l l O O U U . . r 3 r r 5 5 ! V ! V ! ] V ] V ! V ! 5 ! 5 r r r 3 r 3 . . . j W U | U O O ' O O O l l ' l l l l l l d l d d d d d d d E d E d E d d d d d l d d l d l l l l l l ' l O O O O U U . . . r r r % ! 0 ] ] P P P f f v f v v v f f f f P P ` ` 0 7 7 n N _ _ # D Q E d ' ' @ @ A A A B B B : : ^ : 1 p 1 8 p ~ ~ 8 p 8 p 8 8 ~ 8 ~ p 8 1 1 1 1 Z : : :",
+" : : B : B B B A B A A A @ @ @ @ S S ' ' l l d d d d E E d E E E d E d l l l ' ' S @ @ A A B B : : : Z Z 6 Z 6 M u w w J > T L & & ] % ] ! G G G # 3 Q Q d d ' l l l O U U . . j r 5 r ! ! ! V ! V ] V V V V V ! V ! ! 5 ! r r r . r . . . . U U U U O O O l ' l 9 l l l l l l d l l d d d d d d E d d d E d d d E d d d d d l d l l l l ' l O l O O O O U U W W . . r r r 5 ! ! V ` ` P P f f f v v f v v f f f P P ` 0 0 0 7 7 n N _ # D Q E d l ' S @ @ A A B B B B : ^ : p 1 p p 8 8 8 8 ~.  8.  p 8 8 8 ~ p ~ p 1 1 1 : 1 :",
+" : : : B : B B B B A A A A @ @ S S S ' ' ' l l l d E d E E E d E E d d d d l ' S S @ @ A A B B : : Z Z Z Z 6 6 x u w w 4 I > g L & * / ] V V G 3 _ 3 Q Q E d d d ' l O O U j . 3 r r 5 5 5 V ! V V V V ] V ] ! V ! ! 5 ! 5 r 5 r r j r j . j . W U U U O O O l O l l ' l ' l l l l d l d l d d d d d E d E d E d d E d d d l d d l d l l l l ' l ' l O O O O U U . j . r r r ! ! ! ] P P P f f f f v v v v v f f P P ` ` ` 7 7 7 n _ N # D D E d l ' S @ @ A A A B B : ^ : : ^ 1 8 1 p 8 ~ p 8.  8 ~ 8.  p 8 ~ 8 ~ 8 1 1 1 1 1 :",
+" : : : B : B B B A B A A @ A @ @ S S S ' l l d d d d d E E E E E E d d d l l ' ' S @ @ A A B B B : : : 6 Z 6 6 6 u.  w J > T h & * ] ] % V ! G G G ( D Q E d l ' l l O U U . . . r r r 5 ! ! V V ] V ] V V V V V V ! ! 5 5 r r r r r j r . . j W U U O U O l O l 9 l l l l l l l l l d l d d d d d d d d d E d d E d d d d d d l d l l l l l l l O l O O O U W U . . r j r r r ! V ] ] ` P P f f v f v v v f v f f P P ` 0 0 7 7 n N N # # D E E l ' S @ @ A A B B B B : ^ ^ 1 p p p 8 ~ 8 8 ~ R. .  8.  8 ~ 8 p 8 Z p 1 1 : 1 :",
+" : B : : : B B B B A A A A @ @ @ @ S ' ' ' l ' d d d d E E E E E E E d d l l ' ' S @ @ A A A B B : : : Z Z Z 6 x x w w w J > T L & ] * ] ] ! G G G D 3 Q E d d l l l O O U j . . 3 r 5 5 5 ! ! V V V V V ] V ] V V V ! ! ! 5 5 r r 3 r . j . . U W U U U O O O O l l ' l ' l l l l d l l d l d d d d d E d E d E d d d d d d d l d l l l l l l ' l 9 l l O U U W U . . . 5 r 5 ! ! V ` P P P f f f v v v v v f f f P P ` ` 0 0 7 n n _ _ # D Q E l ' ' @ @ A A A B B B B : ^ 1 p 1 ~ p 8 8 8 8.  8 8 8 8.  8 8 ~ 8 ~ 8 1 p p 1 :",
+" : : : B : B B B B B A A A A @ @ S S S ' ' l l d l d E d E E E E d E E d d l l ' S S @ @ A A B B : : : Z Z Z 6 6 u u w w > > T L & & ] ] ] V G G G # 3 Q E d d l l l O O U W j j r r r 5 ! V V V ] V ] ` V ] V V V ! V 5 ! 5 r 5 r r r 3 . . . j j W U O U l O l O l l l l l l l l l d l d l d d d d d d E d E d d E d d d d d d l d l d ' l l l ' l O O O O U U j . . j r r r 5 ! V ] ` ` P f f f v f v v v v f f f P P ` 0 0 7 7 N N N # D Q E d l ' S @ @ A A B B B : ^ : p ^ p 8 p 8 p 8 8 R 8 8.  R ~ R 8 p 8 ~ p ~ p 1 1 ^",
+" : : : : : B : B B A B A A A @ @ @ S S ' ' ' l l d d d E E E E E E E d E l l l ' S S @ @ A A B B : : Z Z Z Z ~ 6 x w w J J > h L & & ] / ] V ! G G 3 3 Q Q d d d ' l l O U U . r 3 r r ! G ! V V V ] V V ` V ] V V V V ! 5 ! 5 5 r r 3 r r j . . . U U U O U O O O l O ' l ' l l l l l l l d d d d d d d d d d E d d E d d d d l d l d l l l l ' l O l l O O U U W j . j r r r 5 ! ! V ] ` P P f f f v v v v v v f f P P ` ` 0 7 7 n N N # D D E d l S S @ @ A A B B B B ^ ^ p 1 p p p 8 8 8.  8.  R 8 R.  R ~.  p 8 8 p p 1 p 1",
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+" : : : : : : B B B B B A A A @ @ S @ S S ' ' l ' d d d d E E E E E E E d d d l ' ' S S @ A A A B B : : Z Z Z Z 6 x u w w w > h L & & * ] ] ] V 5 G G 3 ( Q E d d l ' l O U U U 3 r 3 % 5 ! G V V ] V ` V ` V ` V ] V V V G ! ! 5 5 3 r r r 3 . . . . j U O U U O O l O l ' l ' l l l l l l l d l d d d d d d E d E d d d d d l d d l d l l l l ' l l O l l l O U U U j . j r r r 5 ! V ] ` ` P P f v f v v v v v v f P P P ` 0 0 7 7 N N _ # D Q E l l S @ @ A A A B B B ^ ^ p p p p 8 p R 8 R 8 J.  R 8 R w 8 8 8 8 p p 8 p p 1",
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+" 1 p : : : B : B B B B B A A A @ @ @ S S ' l ' l l d d d E E E E E E E E d d l l ' S S @ A A A B B B : : Z Z Z 6 x x w w J J > h L & / * m ] V V G 3 3 3 Q E d d l l l l O U j j r 3 r 5 ! G V V V V ] ` V ` ] ` V ] V V V V ! 5 5 5 5 r r r . 3 . . U j U U U U O l O ' l ' l l l l ' d ' d l d l d d d d d d d d d d d d d d d d l d l d l l l l l l ' l O l O U U U j 3 . . 5 5 5 ! V ] ` P P P f f v v v v v v f f f P ` ` 0 7 7 7 N _ _ D D E d ' ' @ @ A A A B B B B ^ ^ p p p p 8 8 R 8 R 8 J R R.  R.  R R 8 8 8 p 8 p p",
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+" p p : ^ : B : B B B B A A A A A @ @ S S ' ' ' l l d d d E E E E E E E E d d d l ' ' S @ @ @ A A B B : : : Z Z Z ~ x.  u w > > > g & & / ] ] ] V G 5 # _ D Q E d ' l ' l O U U . . 3 r 5 5 V V V V ` ` ` ` ` ` ` ` 0 ] 0 ] V V V ! 5 5 5 3 r r 3 r 3 . U j U U U O O l O l O l l ' l ' l l l l l l d l d l d d d d d d d d d d d d l d l l l l l ' l ' l 9 l O O O U U j . . . 3 5 5 5 ! V V ` ` P P f v v v v v v v v f f P P ` 0 0 7 7 N _ # D Q d d ' ' S @ A A A B B ^ ^ ^ p p 8 R 8 R R R w J J R J J R J R w R 8 8 R p p 8",
+" p p p : ^ : B : B B B B B A A A @ @ @ @ S ' ' ' l l d d d E E E E E E E d d d l l ' ' S @ A A A B B B : : : Z 6 ~ ~.  w w w > > L & & * m m ] V V G G 3 ( Q E d d l l l O O j j j 5 3 r 5 5 V V ] V ` ] ` ` ` ` ` ` ] ` ] 0 V V V ! 5 5 r 5 3 r j . ( . . j U U U U U O l O l ' l l l l l l l l l l d l l d l d d d d d d d d d l d l l d l l l l l l l l O l O d O U U U j j r 3 r r 5 ! V ` ` P P f f f v v v v v v f f P P ` ` 7 7 n N _ _ D Q E d ' ' @ @ @ A B B B B ^ ^ p , p p R.  R R H R J J J J J J R J 8 R 8 8 8 8 p",
+" p p p p : ^ : B B B B B A A A A @ @ @ S S ' ' l l d d d E E E E E E E E E d d l l ' S S S @ A A B B B : : : Z : 6 ~ x w w J > > h g * / * ] ] V ! G G 3 3 Q E d l l l l O O U j . 3 r 5 5 ! V V 0 ` ` ` ` ` ` ` ` ` ` 0 V ` V V V G ! 5 5 r r 5 3 r j j j . j U U l O l O l O l l ' l ' l l l l l l l l d l d d l d d d d l d l d d l d l l l l l ' l ' l ' l O O O U U U . . . 3 r G 5 ! V V ` P P P f f v v v s v v f f f P ` ` 0 7 7 n N # # D E d l ' S @ A A A B B B ^ ^ ^ p p R 8 R R J J R J R J J J J J R R w R 8 8 p 8",
+" p p p p ^ ^ : B : B B B B A A A A @ @ S S S ' ' l ' d d d d E E E E E E d d d l l ' ' S @ @ A A A B B : : : Z Z ~ ~ x.  w J J > T g & / * / ` ] V G G _ 3 Q Q d d d ' l l O U j . 3 r r 5 G V V V ` ] ` ` ` P ` ` ` ` ` ] ` V V V V ! V 5 5 5 3 r 3 j r j j U U U U U U O O l ' l l ' l ' l ' l l l l l l d l l d d l d l d d d l d l d l l l l l l l ' l ' O l l U O U U j j j r 3 r 5 5 V V ` ` P P f f v v v v v v v f f P ` ` 0 7 7 N _ _ _ D Q d l S S @ @ A A A B B ^ ^ p , p R 8 R R J R J J J J R J R J J H R 8 R R 8 8",
+" 8 p p ^ : ^ ^ : B B B B A B A A @ @ @ @ S ' ' l l l d d d E E E E E E E E d d l l ' ' S S @ @ A A B B B : : : Z 1 ~ x.  w w > > h h & & / ] m V ! V _ G ( 3 E E d ' l l O l U U . . 3 5 5 ! V 0 ] 0 ` ` P ` ` P ` P ` ` ` 0 ] 0 V V G ! G 5 r 5 3 r 3 . j j . j U U U l O l O l O ' l l l ' l l l l l l l l d l d l d d l d l d l d l l d l l l l ' l l ' l l ' O l U U U j . . . 3 r 5 5 ! V V ` P P f f v v v v v v v f f f P ` ` 0 7 7 N _ # D E E l ' S @ @ A A B B B B ^ p p , 8 R R R R H J H H H H H J J R J R J 8 8 R p",
+" p 8 p p p : B : B B B B B A A A A @ @ @ S S ' ' l l l d d d E E E E E E E d d d l l ' S S @ A A A B B B : : Z 1 Z ~ x.  w J J > > g & * * ] m ] V V G G # ( Q E d d l ' l O O j ( . 5 3 5 G V V 0 ] ` ` ` ` P ` P ` ` ` ` ` V ` V V V G ! 5 5 r r 3 r 3 . ( . U j U U U U O l O l l ' l ' l l ' l ' l l l l l l l d l d l d d l d l l d l l l l l l l l l ' l O l O O O U U U j r 3 r r 5 G V ] ` ` P P f f v v v s v v v f f P ` 0 0 7 7 N N _ D Q E d ' ' @ @ A A A B B ^ ^ ^ p p R 8 R R R J H J H J H J H H J J J R R 8 R 8",
+" R p p p p ^ ^ ^ : B B B B A A A A @ @ @ S S ' ' l ' d d d d E E E E E E E d d d l ' ' S S @ @ A A A B B : : : Z 1 ~ ~. .  w J > > g g & / * m V V V 5 G # 3 Q E d ' l l l O U U . 3 3 r ! 5 V V V ` ` ` P ` P ` P ` P P ` ` ` 0 ] V V V V ! 5 G r 3 r 3 r j ( j U U U U l U O l O ' l l ' l ' l l l ' l l l l d l l d l d l d l l d l d l l l l l ' l ' l l l ' l O l U U U j j j r 3 3 5 5 ! V 0 ` P P f f v v v v v v v f f P P ` 0 7 7 N N # _ Q E d ' ' @ @ @ A B B B B - p , , 8 R R R J J H H H H I H H H J H J R J R 8 R",
+" p R 8 p p ^ ^ : B B B B A B A A A @ @ @ @ S ' ' ' l ' d d d E E E E E E E E d l l l ' ' S @ @ @ A B B B B : : 1 1 ~ ~ x w w J I > h g & * / m ] ] V G 3 G 3 ( E d d l ' ' l U U j . r 3 5 5 V V V ` ` ` ` P ` P ` P P ` ` ` ` ` ` 0 V V V G 5 5 5 5 r 3 3 r j j . j U U U O l O l O l ' l ' l ' l ' l ' l l l l l d l l d l d l d l d l l l l ' l l l l ' l ' O l O l O U U U j ( j 3 r 5 5 G V V ` P P P f f v s v s v v v f P P ` ` 7 7 7 N 3 # D E d l S S @ A A A B } ^ ^ - p , 8 R R H R H H H I H H J H I H R J H R R R 8",
+" 8 p p , p p ^ ^ B : B B B B A A A A @ @ S S S ' l l d d d d d E E E E d E d E d l l ' ' S S @ A A A B B : : : : Z Z ~. .  w J > T h g * / * ] m ] V V G G 3 Q Q d d l l l l O U j U 3 3 5 5 V V 0 ` ` ` P ` P P P ` P ` P ` ` ` ` V 0 V V V G 5 5 5 3 r 3 . 3 . j U j j U U O O l O ' l l ' l ' l ' l l ' l l ' l l l d l l l d l l l l d l l l l ' l ' l ' l ' l O l U O U U j . . r 3 r 5 5 V V ` ` P f f f v v v s v v v f f P ` ` 0 7 7 N _ _ D E d l ' S @ @ A A B B B ^ ^ p , 8 R R R J H H H H J I I H H H H H J J R R R",
+" 8 R 8 p p ^ ^ ^ : B B B B A B A A @ @ @ @ S S ' ' ' l l d d d E E E E E E d d d l l ' ' S S @ @ A A B B B B : Z 1 1 ~ ~. .  w > J h g & & / / P ] V V 5 G # ( Q E d l ' ' O l U j . 3 r r 5 G V 0 ] ` ` ` P ` P P P P P ` P ` ` ` ` ] 0 V V V G 5 5 5 r r 3 r j ( . U U U U d O l O l O ' l ' l ' ' l ' l ' l l l l l l l d l l l d l l l l l l l l ' l ' l ' O l l O l O U U U j j 3 r 3 5 5 V V V ` ` P f f v v s v v v v f f P ` ` 0 7 7 N N # D Q E l ' S @ @ A A B } B - ^ , p R R H R H H H H H I I I I J I H H J J R H 8",
+" R 8 , p , p ^ ^ ^ B B B B B A A A A @ @ @ S S ' ' l l d d d E E E E E E d E d d l l l ' S S @ @ A A A B B : : : : 1 ~ 8.  w w J > h g g / * m * V ] V G G 3 3 Q E d l l l ' l O j U . 3 5 5 ! V V ` ` ` P ` P P P P P P P P ` ` ` ` 0 ` V V V V 5 5 5 G r 3 3 ( j ( ( j U U U O O l O ' l ' l ' l ' ' l ' l ' l ' l l l l l l d l l l l l l l l l l l ' l ' l ' l ' l O U l j U j . j 3 r r 5 5 V V ` P P P f v v v v s v v v f f P ` 0 0 7 N N _ 3 D E d ' S @ @ A A A B B ^ - p , 8 Y R J H H H I I I > H I > H H H H J J R R",
+" 8 R 8 8 p p p ^ ^ : B B B B B A A A @ @ @ S S ' ' ' l l d d d d E d E E E E d d d l l ' S S @ @ A A A B B B : : 1 1 ~ ~. .  w J > > h g & * / m m ] V G 5 _ 3 ( E d l l ' l l U U ( r 3 r 5 G 0 V 0 ` ` P ` P P P P P P ` P P P ` ` ` ` 0 V V V V G 5 5 G r 3 r j r j U j U U U U l O l O l ' l ' ' l ' l ' l ' l l l l l l l l l l l l l l l l ' l ' l ' l ' l ' l O l O O U U U j j r 3 3 5 5 V V 0 ` P P f f v v v s v v v f f P ` ` 7 7 n G # # Q E d l ' @ @ @ A B } B - ^ p , , R R Y J H I H I > I I I I I I H H H R H R",
+" R R 8 p , p ^ ^ ^ B B B B B A A A A @ @ @ @ S S ' l ' d l d E E E E E E E d E d l l l ' ' S S @ @ A A B B B : : : 1 1 ~. .  w J I > h g c / * m m V V V 5 G ( Q Q d d ' l l O l j U j 3 G 5 5 V V ` ` ` ` P P P P P P P P P P ` P ` ` ` V 0 V V G ! G 5 5 _ r 3 3 ( . ( j U U U d O U l O ' l ' l ' ' ' l ' l ' l ' l ' l l l l l l l l l l ' l l l ' l ' l ' l ' l ' O l U O U U j ( j r r G 5 G V ] ` ` P f f v v v s v v v f f P P ` 0 7 7 N N _ D E d l ' S @ A A A B B ^ - p , 8 R H J H H I I I I I > I I I I J H H J J R",
+" R R 8 R 1 , p p ^ : B B B B B A A A A @ @ @ S ' ' l ' l d d d d d E E E E E d d d l l ' ' S S @ A A A B B B B : : 1 1 ~ 8. .  J > I h g g * / / m ] ] V G G 3 3 Q d d l l ' ' O O j j r 3 r G V V 0 ` P ` P P P P P P P P P P P P ` ` ` ` ` V 0 V V 5 5 5 5 5 r 3 r j ( j j j U U U O l O l O l ' ' l ' ' l ' ' l ' l l l ' l l l l l l l l l l ' l ' l ' l ' ' l 9 l l l O l U j U j . 3 3 3 r G V V ` ` P P f f v v s v s v v f P P ` 0 7 7 n # # 3 Q d l ' S @ @ A A B } B - , p R R R H I H I I I T I T > I > I I I H H H R",
+" R R R , 8 p - ^ ^ ^ B B B B A B A A A @ @ @ S S ' ' l l l d d E E E E d E E d d d l l ' ' S S @ @ A A A B B : : : : 1 ~ 8.  R w J > > g g * * m m m V V G G G D Q E d l ' l l l U U j j 3 ! 5 G V ` ` ` ` P P P P f P f P P P P P P ` P ` ` 0 V V V G G 5 5 G 3 3 3 r ( j j U j U U U O l O ' l l ' ' ' ' ' ' l ' ' l ' l l l l ' l l l l l ' l l ' l ' l ' l ' ' l ' O l O U U U U j ( . r 3 ! 5 G V 0 ` P P f f v v v s v v v f f P ` ` 0 7 n G _ D Q E l ' S @ @ A A B B } ^ - , R R H Y H I I I > I T I T T I I > I H H H J",
+" J R R 8 , p , p - ^ : B B B B A A A A @ @ @ S S ' ' ' l l d d d E d E E d E E d d l l ' ' S S @ @ @ A A B B B B : 1 1 1 ~. .  w J > > g g c / / ] m ] ] G 5 G 3 ( E d d l ' ' l O U j j r 3 G V V V ` ` P ` P P P P f P P f P P P P P ` ` ` ` 0 V 0 V V G 5 5 5 G r 3 3 ( j ( U j U d U U l O l O ' l ' l ' ' ' l ' ' l ' l ' l l l ' l ' l l l ' l ' l ' ' ' ' l ' l ' O l O d O j U . 3 3 r 3 G V V V ` ` P f f v v s v s v v v f P ` ` 0 7 N N _ ( 3 E d l S @ @ A A A } B - p , Y R R H H H > q T T > T T T T I I I I H H H",
+" R R R R 8 , p p ^ ^ B B B B A B A A A @ @ @ S S S ' l l l d d d E E E E E E d d d l l l ' S S @ @ A A A B B B : : : 1 1 8 8.  w J > T h g & k / m m ] ` V G G ( 3 E d d ' l ' l O U U ( 3 r 5 V V 0 0 ` ` P P P P f P f P f P P P P P P ` ` ` ` ` V V 7 V G 5 5 G 3 r 3 r ( j ( j U U U U l O l O ' l ' ' ' ' ' ' ' l ' l ' l ' l l l ' l l ' l l ' l ' l ' l ' ' ' l ' l O l O U U U j j r 3 G 5 5 V V 0 ` P P f f v v s s v v v f f P ` 0 7 7 N N D D E d ' ' @ @ A A B B } ^ - , 8 Y R I I q I > T T T T T > I T I > I I H H",
+" H H R R 8 , p , - ^ ^ B B B B B A A A @ @ @ @ S S ' ' l l l d d E d E d E d E d d d l l ' ' S S @ @ A A A B B B : : : 1 ~ 8.  R J J > > g g * / / m ] ] V G G 3 D j E d l l ' l l U j U r 3 5 G G V ` ` ` P P P f P P f P f P f P P P P P ` ` ` ` 0 0 V V V G G 5 5 _ r 3 3 r ( U j j E U U O l O l ' l ' ' l ' ' ' ' ' ' ' ' l ' ' l l ' l ' l ' l ' l ' ' ' ' ' l 9 ' ' l O O l U j U j ( r 3 r 5 G V 0 ` ` P f f v v v v s v v f f P ` 0 0 7 N N # 3 Q d l ' @ @ @ A A B } - - p Y R H Y q H > q > T T T h T T T T I I I H H",
+" H R R R R 8 , ^ p ^ ^ B B B A B A A A A @ @ S S S ' ' ' l d d d d E E E E E d E d l l l ' ' S S @ @ A A A B B B : : : 1 8 ~ 8 w w J > > g g c * / m m ] V ! G G 3 ( E l l l ' l 9 d U j j 3 G 5 V V 0 ` ` P P P P f P f f P f P f P P P P P ` ` ` ` ` 0 V V G 5 G 5 G G 3 r D . ( ( U j U d U O l O l ' l ' ' ' ' ' ' ' l ' l ' l ' l ' l ' l l ' l ' ' ' l ' ' l ' ' l ' O l O U U U j U j 3 r G 5 5 V V ` ` P f f v v s s v s v f f P P 0 0 7 7 _ _ D Q d l ' S @ A A A } B - , , R Y J H I I T T I T h T h T h T T T > q I H",
+" H H H R Y R p , - - ^ B B B B B A A A @ @ @ @ S S ' ' l ' l d d d d E d E E E d d d l l ' ' S S @ @ A A A B B : B : ^ 1 1 ~ 8.  J J I > g g & k / m m m ] V G G 3 ( Q d d ' l ' l O U j ( r 3 5 G V V ` ` ` P P P P f f P f f f f P f P P P P P ` ` 0 ` 0 0 V V V G 5 5 G 3 3 r 3 j ( U j U U U l O l O ' ' l ' ' ' ' ' ' ' ' ' ' ' ' l ' l ' ' l ' ' l ' ' l ' ' ' ' ' l ' l l O l U E j ( r 3 3 G 5 G V ` ` ` P f v v v v s v v v f P P ` 0 7 N G # 3 ( E l ' S @ @ A A } } - - , , R Y H I I q T T T h T h g T h T T T > I H",
+" H H H R R R , p p ^ ^ ^ B B B A B A A A @ @ @ S S S ' ' l d l d d E E d E d E d d d l l l ' S S S @ @ A A A B B B : : 1 1 8 p.  R J > > h g & / * m m ] ] V V 5 _ 3 j E l l ' ' l O O U ( 3 r 5 V V 0 ` ` P P P f P f P f f f P f f P f P P P ` P ` ` ` ` 0 V n V G 5 G G G 3 3 3 ( . ( j U U E O O l O ' l ' ' ' l ' ' ' ' ' l ' l ' ' l ' l ' l ' l ' ' ' ' ' ' ' l ' O ' O l U U U U j U j . 3 r 5 G V V ` P P f f v v s s v s v f f P ` 0 0 7 n # _ D E d ' ' @ @ A A B } ^ - , R Y H q H I T T T g T g h h g T h T T I q >",
+" I H R H R R 8 , , - ^ - B B A B A A A A @ @ @ @ S ' ' ' l ' d d d d d E d E E d d d l l l ' ' S @ @ @ A A A B B B ^ : : p 1 8.  w J J I > g c & k / m m m V ! 3 G ( ( E d l l ' ' l l j j . 3 _ 5 G V 0 ` ` P P f P f f f f f f P f f P f P P P P P ` ` ` ` 0 0 V V V G 5 5 5 G 3 3 3 ( U j j U U d O l O ' l ' ' ' ' ' ' ' ' ' ' ' l ' l ' ' l ' ' ' ' l ' ' ' ' ' ' ' ' ' l O l O l U j j j 3 3 G G ! G 0 0 ` P P f v v s v s v v f f P ` ` 7 7 N G # 3 E d ' S S @ A A A } } - p Y R Y H I q > T h L h g L g T g h T T T I I",
+" I q H R R R R p p - ^ ^ B B B A B A A A @ @ @ S S S ' ' l l d l d E d E d E d E d d l l l ' ' S S @ @ A A A B B B : : ^ 1 p 8 8 8 w J > > g g & * < m m V ] V G G 3 ( Q l d ' ' ' l O U U ( r 3 G V V 0 ` ` P P P f P f f f f f f f f f f f P P P P P ` ` ` ` 0 0 V N V G G 5 G G 3 r 3 ( ( U j U U l O l l 9 l ' ' ' ' ' ' ' ' ' ' ' ' ' l ' ' l ' l ' ' ' l ' ' ' ' ' l ' l O l O U U U U ( j r 3 5 5 G V ` ` ` P f f v v s s v s v f P P ` 0 7 n N # D j d l ' S @ @ A A B - - t R Y H H I T T T T g h g h g h g T h T T T I",
+" I H H q R R Y , p , ^ - B B B B B A A A A @ @ @ S S ' ' l ' l d d d E d E d E d d d d l l ' ' S S @ @ @ A B A B B B ^ : 1 p ~ 8 R J J I > h g c * / m m m ] V ! G 3 3 j E d l l ' ' l O j j 3 3 5 G V 0 ` ` P P P P f f f f f f f f f f f f P f P P P P ` ` ` ` 0 0 ` V G V G 5 5 G 3 3 3 ( ( U j U d U l O l l ' ' ' ' ' ' ' ' ' ' ' l ' ' ' l ' ' ' ' ' ' ' ' ' ' l ' ' ' 9 l l l O E U j j ( 3 r 3 G V V V ` ` P f v v v v s s v v f f P ` 0 7 7 _ _ 3 Q E l ' S @ A A A } } - p Y R Y q I q T T h h g g g h g g h g h T T I",
+" I I I H H R Y 8 , - ^ - ^ B } B A A A A @ @ @ @ S S S ' ' l d l d d d d E d d d d d l l l ' ' S S @ @ A A A A B B : B : : 1 p ~. .  J I > h g c & k / m m m V V G G 3 ( E l l ' ' l 9 l U U . r 5 5 G V 0 ` P P P f f f f f f v f f f f f f f f P f P P P P ` ` ` ` 0 V 0 G G G G 3 G 3 r 3 ( ( ( j U U l O l ' l ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' l ' ' ' ' ' ' ' ' ' ' l ' l ' O O l U U j U 3 ( 3 G 5 5 G 0 0 ` P P f v v s v s v v v f P ` 0 0 7 N _ # Q E l ' S @ @ A A } } - t Y R H I q T T L L g g g g g g h L g h T T T",
+" T I H H Y R R Y p , - - ^ } B B A B A A A @ @ S @ S S ' l ' l l d d E d E d E d d d d l l ' ' ' S @ @ @ A A A B B B B : ^ p p 8 8 R J J I > h ) * * / m m ] ] V 5 G 3 D j d d l ' ' l l O ( ( ( G 5 G V 0 ` ` P P P P f f f f v f v v f f f f f f f P P P P P ` ` ` ` 0 V 0 V G V G 5 G 3 3 3 ( ( U j E U O l O l ' l ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' l ' ' ' ' ' ' ' ' ' ' l l O l U U U j ( r 3 G 5 G V 0 ` P P f v v v s s s v v f P P ` 7 7 n 3 _ D j d ' ' @ @ A A } } - - , Y Y q I T T T g h g g g g g g g g g g T T",
+" T q I H H H Y 8 , p p - ^ B B A B A A A A @ @ @ S S S ' ' l l l d d d d E d d d E d l d l l ' ' S S @ @ @ A A B B B : B : 1 p 8 ~ R w J I > h g & k / / v m ] V V 5 G ( j E l l ' ' ' O l U j j 3 G G V 0 ` ` P P f f f f f f f v f f v f f f f f f f f P P P P ` ` ` ` 0 0 0 V n G V _ 5 G 3 3 ( ( j U d U l O ' l ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' O ' O l O U d U j U j ( 3 G 5 5 V V ` ` P f f v v s v s v v f P P ` 0 7 N N _ ( E d l S S @ A A A } - , Y Y H H q T T L g g g g g g g g g h g h h T",
+" T T I q H Y R R 8 , - - - } B B A B A A @ A @ @ @ S S ' ' ' l l l d d d d d E d d d d l l ' ' ' S S @ @ A A A A B B B ^ : ^ 1 p 8.  J w I I > g c & k * m m m ] V 5 G 3 ( j d l l ' ' l O U j ( 3 G ! G V 0 ` ` P P P f f v f v f v v v f v v f f f f f P f P P P P ` ` ` ` 0 0 0 V G G G 3 G 3 3 3 ( j j U d U l O ' l ' ' ' ' S ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' l ' O l l U U U j ( ( r 3 G 5 G 0 0 ` P P f v v s s s v v v f P ` 0 7 7 N # D ( d l ' S @ @ A } } } t R Y Y I q T T h g g g g g c g ) g g h g g T",
+" T T I I H H R Y Y p , - ^ ^ } B B A A A A A @ @ @ S S ' ' l ' d d l d d d E d d d d d l l l ' ' S S @ @ @ A A A B B B : ^ : p p 8 8 8 J J > > g g c / < m m m ] V ! 5 3 3 Q d l ' ' ' l l O U j . 3 5 G V 0 ` ` P P f f f f f v v f v f v v f v f f f f f f f P P P P P ` ` ` 0 0 V 7 V G G G G 3 3 Q ( U j U d O l l 9 ' ' ' ' ' ' S ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' l ' O O l U U j U 3 3 r _ 5 G V 0 ` ` f f f v s v s s v v f P P 0 0 7 _ _ _ Q E l ' S @ @ A A } - , t R q q q T L g g g g c c c & g c g g g h T",
+" T T T I q H q R R , , - - B } B B A B A A @ @ @ @ S S S ' ' ' l l d d d d d d d d d d l l l ' ' ' S @ @ @ A A A A B B B ^ : ^ p ~ 8 R J J I > h g c * / k m m m ] V G G ( ( j d l l ' ' l l U j ( 3 G V G 0 ` ` P P P P f f v f v v v v v v v v v v f v f f f f f f P P P ` ` ` ` 0 V 0 7 G G 3 G 3 3 3 ( j E U d O l l l ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' l O l U E j ( U 3 r 3 G G V V ` ` P f f v v s s s v v f f ` ` 7 7 7 3 # Q j l ' S @ A @ } 2 } t , Y q H L T T g g g g g c & ) c c g g g g g",
+" g T T q I H Y R Y p , - - - B } B A A A A A @ @ @ S S ' ' ' l l d d d d d E d d d d d l l l ' ' S S S @ @ @ A A B B B B : ^ : p p 8 8 R J J > h g g c * / m m m V V G 5 3 ( j d l ' ' ' ' O d U ( ( 3 5 G V 0 ` ` P f f f f f v f v v v f v v v v v v f v f f f f f f P P P P ` ` ` 0 0 V V G G G G 3 3 ( ( U U E O l O ' l ' ' ' S ' S ' ' S ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' O ' l l U l U U j ( j 3 G 5 5 G 0 0 ` P P f v v s s s v v v P P ` 0 7 N N _ j E d ' S S @ A A } } , t , q H q g L g g g c c c c & c c & ) g g g",
+" g L T T I q H H R R , p - ^ } B B A B A A A @ @ @ @ S S ' ' l ' l l d d d d d d d d d l l l ' ' ' S S @ @ A A A A A B B B ^ ^ p p p R.  J J I > g ) & k / < m m ] ] ! 5 G 3 ( j l l l ' ' l l U j ( r 3 V G 0 ` ` P P P P f v f v v v v v v v v v v v v v v f v f f f f f P P P ` ` ` 0 0 0 V G G 3 G 3 3 ( ( j U E U l l l ' ' ' ' ' ' S ' ' ' ' S ' ' ' S ' ' S ' S ' ' ' ' ' ' ' l O l U d U U j ( 3 r 3 G G V 0 ` P P f v v v s s s v v f P ` 0 7 7 3 _ D ( d l ' @ @ @ A 2 } C Y Y q T q T h g g g & c & c c c & ) * g g g",
+" g h T T q I q Y Y Y R - - - - B A B A A A A @ @ @ S S S ' ' ' l l d l d d d d d d d d d l l l ' ' S S @ @ @ A A A B B B B : ^ : p p 8 R J J I T h g & c * < m m m ] V G r 3 ( E E l ' ' ' ' O U U ( 3 3 5 G V 0 ` ` P f f f f v v v v v v v v v v v v v v v v v f v f f f f f P P P ` ` 0 0 7 V n G G G D 3 3 ( E U d U l O ' l ' ' ' ' ' ' S ' ' ' ' S ' ' ' S ' ' ' ' S ' ' ' ' l 9 l O l U U j U ( j 3 G 5 5 G V ` ` P f f v s s s s v v f f ` ` 7 7 N _ ( Q d l S S @ @ A } } , , Y Y q I L L g g c c c c c c c c c c & g g",
+" g g L T T H q H R , Y , , - } B A B A A A A A @ @ @ S S S ' l ' l l d d d d d d d d d l l l l ' S ' S @ @ @ A A A B A B B B ^ ^ p p 8 8 8 J I > > h c c * / < m m ` ] V 5 G 3 ( U l l ' ' ' ' l U j ( 3 G V G 0 0 ` P P P f f f f v v v v v s v s v s v v v v v v v v v f f f f P P P ` ` ` 0 0 G V G 3 G 3 D ( U j E U l l l ' ' ' ' ' S ' ' ' ' S ' ' ' S ' ' ' ' S ' ' ' ' ' ' ' l ' l U l U E j ( ( 3 3 G G V 0 0 ` P f f v s v s s s v f P P ` 0 7 N # _ ( E l ' S @ @ A 2 } C , Y q q L T g g g & c c k & c c c c c c c g",
+" g g L T T q I Y H Y R p , - - } B A B A A A @ @ @ @ S S ' ' ' l l l l d d d d d d l d d l l ' ' ' S S S @ @ @ A A A B B B : ^ ^ p p 8 8 R J J I > g g c / k / m / m ] V 5 5 3 ( j d l ' ' ' l l O U j 3 3 5 G V 0 ` ` P P f f f v v v v s v v s v v s v s v s v v v v v v f f f f f P P ` ` ` 0 0 n G V _ G 3 3 ( j E U d O l l l ' ' ' ' S ' S ' ' ' S ' ' ' S ' ' ' ' S ' ' ' 9 ' l 9 l O d U U j U ( 3 r G 3 G V 0 ` ` P f v v s s s v v v f P 0 0 7 G N 3 D E l ' S @ @ A 2 } t , Y q q T L L g c c c c c k k c k c c & ) &",
+" g g g L T T I I Y R Y t - - - } } B A A A A A @ @ @ S S S ' ' ' ' d l l d d d d d d d l l l l l ' ' S S @ @ @ A A A B A B B : ^ ^ p p 8 R R J I I h g g c * / < m m ] ] ! 5 3 ( j U l l ' ' ' l O d j ( 3 _ V G 0 ` ` P P f f v f v v v v v s v s s v s v s s v s v v v v v v v f P f P P ` ` 0 0 0 7 G G 3 _ 3 D ( j E U d l ' l ' ' ' ' ' S ' ' S ' ' ' S ' ' ' ' S ' ' ' ' ' ' ' ' l l O l O E E j ( ( 3 3 _ V G 0 ` P P f v v v s s s v v f P ` 0 7 7 _ # D j d ' ' @ @ @ A C C , Y $ I q g g g & c c c k c k k k c k c c c",
+" & g g h T L q I q H , , , , - } B } B A A A @ @ @ @ @ S S ' ' l l l l d l d l d d d l d l l ' ' ' ' S S @ @ @ A A A A B B B B ^ ^ p p 8 8 R J J > > g ) & k * / m m m ] V G 5 3 ( E U l ' ' ' ' l O U ( ( r _ G V 0 ` ` P P f f f v v v s v s v s v s s s s v s s s v s v v v v v f f f P P P ` ` 0 V n V G G # 3 3 ( U E U d O l ' ' ' ' ' ' ' S ' ' S ' ' ' S ' S ' ' S ' ' ' ' ' ' l O l l U l U j ( ( r G G 5 G V 0 ` P f f v s s s s s v f f ` ` 7 7 _ _ 3 E d l S S @ @ A 2 C t Y q q L L & g c c k k k k c k c k c c c &",
+" c g g g L T q H q Y R Y , - - - } A B A A A A A @ @ S S S S ' ' ' l l l d l d d l d l d l l l l ' ' S S @ @ @ @ A A B A B B B ^ ^ ^ p p R 8 J H I T h g c / k v < m m ` ] ! ! 3 3 j U l ' ' ' ' ' O d j ( 3 G G V 0 0 ` P P f f f v v v v s v s s s s s s s s s s s s v s s v v v v v f f P P ` ` ` 0 0 n G 3 G 3 3 Q ( j d U l l l l ' ' ' ' S ' ' S ' ' ' S ' ' ' ' ' ' S ' ' ' ' ' 9 l l O d U E U j ( ( 3 G 5 n V 0 ` P P f v v s s s s v v P P ` 0 7 G # 3 ( d l ' S @ @ A C C t Y q q T L g g & c c k c k k k k k k k c c",
+" c c g g g T T q q Y Y Y R - - - } } A B A A @ @ @ @ @ S S ' ' ' l ' l l d l d d d d l d l l l ' ' ' S S S @ @ @ A A A A B B B B : ^ p p 8 R 8 J J > h h g c k * / m m m ] V 5 5 3 ( j d l ' ' ' ' l O E j ( 3 G G G 0 ` ` P P f f v v v v s v s s v s s s s s s s s s s s s s v s v v v f f f P ` ` ` 0 7 V G G G ( D ( Q j d d O l ' ' ' ' ' ' ' S ' ' S ' ' ' S ' S ' S ' ' ' ' ' ' ' l O l O U d j U ( 3 3 3 5 G V 0 ` ` P f v v s s s s v v f P ` 7 7 G _ _ Q E l ' S @ @ 2 A C , t q q q g g c c k k k k k k k k k k k k c",
+" c c * g g L T q I q H , Y , C - } B A A A A A A @ @ @ S S S ' ' ' l l l l d l d l d d d l l ' l ' ' S S S @ @ @ A A A B A B B B ^ ^ ^ p 8 8 R J J I h h g c / k / < m m m ] ! 5 r 3 U j O ' ' ' ' ' O d U ( 3 G 5 G 0 0 ` ` P f f f v v v v s v s s s s s s s s s s s s s s s s s v v v v f f f P ` ` ` 0 n 7 G 3 G 3 3 ( j E U d l l l ' ' ' ' ' ' ' ' ' S ' S ' ' ' S ' ' S ' ' ' ' l ' ' O d l U E j ( ( ( G G G G 0 ` ` P f v v s s s s v v f P ` 0 7 N N ( Q j l ' S @ @ 2 2 C t t q q L L g & & c k k k k k k k k k k c k",
+" c c g c g g T L q q Y R Y , - - } } } A A A @ A @ @ @ S S S S ' ' l ' d l d l d d l d l d l l ' ' ' S S S @ @ @ @ A A A B A B B ^ ^ ^ p , p 8 J J I > h g ) & k / < m m m ] V G 5 3 ( j d l ' ' ' ' ' l U j ( 3 G G V 0 ` ` P P f f f v v s v s s s s s s s s = s = s s s s s s s s s v v v f f P P P ` 0 0 G 7 N G # 3 ( Q U E d O l l ' ' ' ' S ' S ' ' ' S ' ' S ' ' S ' ' ' ' ' ' 9 l l l O O E U U ( ( ( 3 G G G V 0 ` P P f v s s s s s v f P P 0 7 7 N _ Q E d ' S S @ @ 2 C   Y $ L q & g c k k k k k k < k < k k k k k",
+" k c c & g L L T q H q Y , t , - - } B A A A A @ @ @ @ @ S S ' ' ' ' l ' d l l l l d l d l l l ' l ' ' S S @ @ @ @ A A A A B B B B ^ ^ ^ p 8 R R J H I T g g & k k / / m m m ] ! 5 r 3 ( U O l ' S ' ' O d E E 3 3 G G V 0 ` ` P f f f v v v s s s s s s s = s = s s = s = = s s s s s s v v v f f P P ` ` 0 0 G V 3 G _ D 3 ( E U d l l l l ' ' ' ' ' ' S ' ' S ' ' S ' ' ' S ' ' ' ' ' ' 9 l l O d U E j ( 3 3 3 5 G n 0 ` P P v v v s s s s v f f ` ` 7 N G # ( j d l ' @ @ @ 2 C t t q q L g & & c k k k k < k < k < k k k k",
+" k k c & g c L T L q q Y Y Y , - C } } } A A A A @ @ @ @ S S S ' ' l l l l d l d d l d l l l l l ' ' ' S S @ @ @ @ A A A A B A B B ^ ^ ^ , p 8 R R J I > h g c c / k < m m m V ] ! 5 3 ( j d O ' ' ' ' ' l U j ( 3 G _ V 0 0 ` P P f f v v v s v s s s s = s s = s = s = s = s = s s s s s v v v v f P P ` ` 0 0 n G G # 3 3 Q ( E U d l ' l ' ' ' ' ' S ' ' ' ' ' ' ' ' S ' ' ' ' ' ' l ' l l O d O E U U ( ( 3 G G G V 0 0 ` P f v s s s s s v v f P ` 0 7 N _ D Q d ' ' S @ @ 2 2 t t q q L & & c k k k k < k < k < k < k k k",
+" k k k c & g & g q q H q Y t , C - } } A A A A A @ @ @ @ S S S ' ' ' ' l l l l d l l d l d l l l ' ' ' S S S @ @ @ @ A A A A B B B B ^ ^ p p , R R J H I > h ) & k k m < / m m ] V 5 r 3 U j l l ' ' ' ' O l E j ( 3 G G N 0 ` ` P P f f v v v s s s s s s = = s = = = = = = s = = s = s s s s v v v f P P ` 0 0 n V G 5 # 3 ( ( E j d l l l l ' ' ' ' ' ' ' S ' S ' S ' ' ' S ' ' ' ' ' l ' l l d O d j E ( ( 3 _ 3 G G G ` ` P f f v s s s s s v f P ` 0 7 N # 3 ( d l S S @ @ 2 C   t q q L L c & k k k < k < < b < b k < < k",
+" k k c k c g g L T L q q Y R C t - } } } A A A @ A @ @ @ S S S ' ' ' l l l l d l d l l l d l l ' ' ' ' S S S @ @ @ A @ A A B A B B B ^ ^ - p 8 8 R J H I h h g c & k / v m m m m V ! 5 r 3 j U l ' ' ' ' ' l U E j 3 G G G 7 0 ` ` P f f f v v s s s s = s = s = = s = s = = = = = = s = s s s v v v f f P P ` 0 0 n G N G 3 D Q ( E d U l l ' l ' ' ' ' ' ' ' ' ' ' ' S ' ' ' ' ' ' ' ' ' O l l O d U E U j ( 3 3 5 G G V 0 ` P P v v s s s s s v f P ` 0 7 V _ # Q E l ' S S @ 2 2 t $ $ L o g & k k k k < b k < < < < < k < k",
+" k k k k c & g g L L q Y q Y , , C C } } A A A A @ @ @ @ @ S S S ' ' ' l l l l O d l d l l l l ' l ' ' ' S S S @ @ @ A A A A A B } B B ^ ^ - ^ 8 R R J H I T h ) & k k / < m m m ] ! G r 3 ( U U O ' ' ' ' ' l d U ( ( _ V G 0 0 ` P P f v v v v s s s s = s = = = = = = = = = = = = = = = = s s s v v f f P P ` 0 7 7 G G # 3 3 Q j E d d l l l ' ' ' ' S ' ' S ' S ' ' ' ' S ' ' ' ' l ' ' ' l l l O d j Q ( ( 3 3 G G 7 0 0 P P f v s s s s s v v P P 0 7 n _ _ ( E d ' S S @ @ C C $ q q g & c & k < k < < < < b < < < < b k",
+" < k k k c c & & L T q q H t Y t - } } } A A A @ A @ @ @ S S S S ' ' l l l l l l d l l d l l l l ' ' ' S S S @ @ @ @ @ A A A B A B B B ^ ^ ^ , , 8 R J H I T h g c & k * < / m m m ] V 5 r 3 j d O ' ' ' ' ' O l U Q ( 3 _ G 7 0 ` ` P f f f v s s s s s = s = s = = = = = = = = = = = = s = s s s s v v f f P ` ` 0 7 G G _ _ ( 3 Q E E d l l ' l ' ' ' ' ' ' ' ' ' S ' S ' ' ' ' ' ' ' ' l 9 l l U d U E U j ( 3 G G G G V 0 ` P f v v s = s s v v f ` ` 7 7 _ _ D E l ' ' @ S 2     $ $ L L L * k k k < b < < b < < < b < < k",
+" < < < k k c & g L L L q q Y Y , , C C } } A @ A A @ @ @ @ S S S ' ' ' ' l l l l l l l l d l l ' l ' ' ' S S S @ @ @ @ A A A A A B } B ^ - ^ ^ p , 8 R J > I h g g c * k v < f m m m V ! 5 3 j j d O ' ' S ' ' l d j ( ( G G 5 n 0 ` ` P f f v v v s = s s = = = = = = = = = = = = = = = = = = = s s s v v f P P ` 0 0 7 V _ G D D ( j E U d l l l l ' ' ' ' ' S ' S ' ' ' ' S ' S ' ' ' ' ' l O l d l E U E ( ( D 3 3 G G 0 0 ` P f v s s s s s s v f P ` 0 n G # 3 j d l S S @   2 t t q o L c & k k < < < < < < = b < < < < <",
+" < k k k k k & c & L L q q $ Y t t C } 2 } A A @ A @ @ @ @ S S S ' ' ' l l l l d O d l l l l l l ' ' ' ' S S S S @ @ @ A A A A B A B B B ^ ^ , p , 8 Y R H I T h ) c c k * / v / m m V ! 5 r r j U U ' ' ' ' ' l l d j ( ( G G V 0 0 ` P f f v v v s s s = = = = = = = = ; = = ; = = ; = = = = = = s s v v v f P P ` 0 0 n G _ _ ( 3 Q E E d l l l ' l ' ' ' ' ' ' ' ' S ' ' ' ' ' ' ' ' ' l ' l l O d U E j U ( 3 3 _ G G 7 0 ` P f f v s s = s s v f P ` 7 7 N _ ( Q d l ' S @ S 2 | $ $ L L * & k k < < b < ; b < ; = b = < b",
+" < b < < k k c & g & q L q q Y t , C - 2 } A A @ A @ @ @ @ @ S S S ' ' ' ' l l l l l l l l l l l l ' ' S ' S S S @ @ A @ @ A A A B B } B } ^ ^ , 8 , R R J I > h g g c / k < < / m m m ] ! 5 3 j j U l 9 ' ' ' ' l O E Q ( # G G n 0 ` P ` f f v v s s s = s = = = = = ; = = ; = ; = ; = ; = = = = = s s v v f f P P 0 0 n V N 3 _ D ( Q j d d l l l l ' ' ' ' ' ' S ' ' ' S ' ' ' ' ' ' ' l ' l ' d U l E U Q ( ( 3 3 G V G 0 ` ` P f v s = s s s v f P ` 0 7 N _ 3 Q d l ' S S S   C $ q o & c * k k b < < < < = = = b = < = <",
+" < < < k k k k c & g L L q q Y Y t C C } 2 } A A @ @ @ @ @ S S S ' ' ' ' l l l l l l d O l l l ' l ' ' ' S S S @ S @ @ @ A A A A A B A B ^ ^ - ^ p , 8 H R H I T h g c c k * / v / m m ] ! ! r r ( U U l ' ' S ' ' l E j ( 3 _ G G 0 0 ` P P f v v s s s = = = = = ; = = ; ; = ; = ; = ; = ; = = = = = s s v v f P P ` 0 0 7 G _ _ ( 3 Q E E d d l l ' l ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' l ' l ' l l l E U E j U ( 3 3 _ G G 0 0 P P f v s s = s s s f f ` ` 7 7 # _ Q E l ' S S @     $ $ L o c * k < < < [ = [ < ; b s ; < [ <",
+" = < b < < k k c c g & q L q $ Y t , C C } 2 A @ A A @ @ @ @ S S S S ' l ' ' l O l l l l l l l l l ' ' ' ' S S S @ @ @ @ @ A A A A A B } B } ^ - p , R R R H I I h g ) & k k < / v m m m ] ! 5 r j ( U O 9 ' ' ' l ' O d E 3 ( _ V n 0 0 ` P f f v v s = s = = = = ; = ; = ; = ; ; = ; ; ; = ; ; = = = = = s v v f P ` ` 0 7 7 _ G # 3 D Q j d d l l l ' l ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' l l O d l U E j Q ( D 3 3 G G 0 0 ` P f v s s s = s s f f P 0 7 V _ _ ( E d ' S S S   | $ q o & & k k < < < b = b ; = ; = ; = b =",
+" ; < = < < k < k & & & L L q q Y t t C C } 2 A A @ @ @ @ @ S @ S S ' ' ' ' l l l l l l l l l l ' l ' ' ' ' S S S S @ @ @ A @ A A A B B B } B ^ - - p , 8 Y R H I T h g c k / k < / v / m V ] ! 5 3 r U U l ' ' ' ' ' l d U Q 3 # G G 7 0 ` ` P f v v s s = = = = = ; = ; ; = ; ; ; ; ; = ; ; ; = ; = = = s s s v v f P ` ` 0 n V _ _ 3 D Q Q E d d l l l ' ' ' ' ' ' ' ' ' S ' ' ' ' ' ' l ' l ' l l l U d E j Q ( 3 3 G G N V ` ` P f f s s = s s s v f ` ` 7 n _ 3 D E l l S S S     $ o L & * k < < < = ; = ; = ; ; ; = ; = b",
+" < ; < b < < k k k & & L L q q $ Y t C C 2 } @ A A @ A @ @ @ S S S S ' ' ' l ' l l O l l l l l l ' l ' ' S ' S S S @ @ @ @ A A A A A A } B B } ^ ^ , , 8 H R H I I h g g c k k < < / f m m ] ! 5 r 3 j j O l 9 ' ' ' l l E E ( ( _ N G 0 0 P P f v v s s s = = ; = ; = ; = ; ; ; = ; ; ; ; ; ; ; ; ; ; = = = s v v f P P ` 0 7 G N _ # 3 Q ( E d d l l l l ' l ' ' ' ' ' ' ' ' ' ' ' l ' ' l ' l O l l l E U E j ( ( 3 # G 5 n 0 ` ` f v v s s = s s v f P ` 0 7 N # 3 E d l ' S S   | $ q o & & k k < b < ; b ; ; ; ; = ; ; ; ;",
+" ; = b = < < k k k & c & L q q $ q t , C C 2 A 2 @ A @ @ @ @ S S S ' ' ' ' l 9 l l l l l l l l l l ' ' ' ' S S S @ S @ @ @ @ A A A A B B A B ^ - - - p , Y R H H > T g g c c k / < / v / m m V ] 5 r j j U O ' ' ' ' ' l O E j 3 3 G G 7 0 ` P P f v v s s = = = ; = ; ; ; ; = ; ; ; ; ; ; ; ; = ; = ; = = = = s v v f P ` ` 7 7 G G _ # 3 Q E E d d l l l l ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' l ' l l l U d E U E ( D 3 3 G G V 0 0 P P f v s = s = s v f P ` 0 7 G _ D Q d ' ' S S   | $ o L * & k < < = ; ; = ; ; ; ; ; ; = ; =",
+" ; ; ; ; < b < < k k & & L L q q Y t t C C 2 2 A A @ @ @ @ S @ S S S S ' ' ' l ' l l l l O l l l ' l ' ' ' ' S S S @ @ @ @ A @ A A A A A } B } B - ^ - , 8 Y R H H T h g & c / k < / < m f m ] V ! r r j U U O ' ' ' ' ' l E E ( ( _ N G 0 0 ` P f v v s s = = = = ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; = = s s v f f P ` ` 7 7 N 3 _ D 3 D E d d l l l ' l ' l ' ' ' ' ' ' ' ' ' ' ' l ' ' l ' l l d U d E j Q ( j # _ G G 0 0 ` P f s s s = = s v v P ` 0 7 7 # 3 Q d l ' ' S 9 | $ o o & / k < = b ; ; ; ; ; ; = ; ; ; ; ;",
+" ; = ; < ; < < < k k & & & L L o Y $ t   C C 2 2 @ A @ @ @ @ @ S S S ' ' ' ' l ' l O l l l l l ' l ' l ' ' S ' S S S @ @ @ @ A @ A A A B A B } ^ } - , p , R R q H I T h g c k k < < / / m m m ] ! 5 r 3 j U l O ' ' ' ' l l E Q 3 D G V n 0 ` P f f s s s = = ; ; ; = ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; = ; = = s s v f P ` 0 0 n G N _ ( D Q E E d d l l l l ' ' ' l ' ' ' ' ' ' ' ' ' ' l ' l l l l l d d U Q j Q 3 3 G _ G 7 0 ` P f v s s = s s s v P P 0 7 N _ # E E l ' ' S 9 | $ o L * * k < < ; = ; ; ; ; ; ; ; ; ; ; ;",
+" ; ; ; ; < ; b < < k k * L & L q $ Y t t C C A 2 A @ @ @ @ @ S S S S S ' ' ' l ' l ' l l l l ' l l ' ' ' ' ' S S S S @ @ @ @ @ A A A A A A B } B - ^ - - , Y R R I I T h g g c k k < < v s m m m ] ! 5 3 . j U O ' ' ' ' l l d E D 3 _ _ 7 0 ` ` f f v s s = = ; = ; ; ; ; ; ; ; ; ; ; ; ; ; ; [ ; [ ; ; ; ; = = = s v f f P ` 0 7 V _ _ # 3 3 Q E E d d l l l ' l l ' ' l ' ' ' ' ' ' ' l ' ' l ' l l d l d E E Q ( D ( G G G 7 0 ` P f v s s = = = v v f ` 0 7 n 5 _ Q d d ' ' S 9 | $ o L & / < < = ; ; ; ; ; ; ; ; ; ; ; ; ;",
+" ; ; ; ; ; = < < < k k * * & o L q $ $ t   2 2 2 2 A @ @ @ @ @ S S S ' ' ' ' ' l l l ' O ' l l ' ' l ' ' ' ' S S S S @ @ @ @ A @ A A A A B A } B } - - - p , R H H q I T h g c c k < / < / m f m V ! ! r 3 . U U l ' ' ' l l l j E 3 # G G 7 0 ` P f v v s = = = ; ; ; ; ; ; ; ; ; [ ; [ ; [ ; ; [ ; ; [ ; ; ; = = s s v f P P 0 0 7 n _ _ D D Q Q E d d l l l l ' ' ' ' ' ' l ' l ' l ' ' l l ' l l l O d U d U Q j 3 3 # G G V 0 ` P f v v = s = s s v f P ` 7 n _ _ E E d ' ' ' ' | $ o % & * k < [ ; ; [ ; [ ; ; ; ; ; ; ; ;",
+" ; ; ; ; ; ; ; b < < k c & & L o q q Y $ t C 2 2 A @ @ @ @ @ S @ S S S S ' ' ' ' O ' l l ' l O l ' l ' ' ' ' ' S S S S S @ @ @ A @ A A A A B } } B } ^ - , , R Y R I I T h g g k * k < < v < m m m ] ! ! 3 . j U O O ' ' ' l l E E D ( _ N n 0 ` P f f s s = = ; ; ; ; ; ; ; [ ; [ ; ; ; [ ; [ ; [ ; [ ; ; ; ; ; = = s v v f ` ` 0 7 V _ _ # 3 3 Q E d d d l l l l l l ' l ' ' ' ' ' ' ' l ' l ' l l l l l d E E E Q Q 3 3 _ G N 0 0 P P f s s = = = s v f P ` 7 7 _ 3 D E l l ' ' 9 | $ o L * / b < ; ; ; ; ; ; [ ; [ ; ; ; ; ;",
+" ; ; ; ; ; ; ; = < < < k & * & L o q $ t t   C 2 2 @ A @ @ @ @ S S S S ' ' ' ' l ' l ' l l l ' l ' l ' ' ' ' S ' S @ S @ @ @ @ @ A @ A A A A A B } } - - - p Y , R H q I g g g c c k < < m / v m m m ] ! r 3 . U U l ' l ' l l d E Q 3 # G G 7 ` ` f f v s = = ; ; ; ; [ ; [ ; ; [ ; [ ; ; [ ; [ ; [ ; [ [ ; ; ; ; = = s v f P ` 0 0 7 N _ _ D D Q E E d d l l l ' l ' ' l ' l ' l ' l ' ' l ' l l l l l d d U E j Q ( 3 D G _ V 0 0 ` f f s s = s = s s f P ` 0 7 N _ D E d l ' ' 9 | r o * * < < = ; ; [ ; [ ; [ b ; [ ; ; [ ;",
+" ; [ ; ; ; ; ; b [ < < k k & & o L q $ t $ t   2 2 @ @ @ @ @ S @ S S ' S ' ' ' ' l ' l l l ' l ' l ' ' ' ' ' ' S S S S S @ @ A @ @ A A @ A B A } } B } - - - , Y R Y I H T h g g k k / < < / < f m m ] ! 5 r r j U O O ' ' ' l l E E Q _ _ 7 7 0 ` P v v s s = ; ; ; ; ; [ ; [ ; [ ; ; [ ; [ ; [ ; [ [ ; [ ; [ ; ; ; = s v v f P ` 7 7 V _ _ # 3 D Q E E d d l l l l l ' l ' ' ' ' ' ' l ' l ' l ' l l d l d E E E Q Q 3 ( _ G G n ` ` P f v s = = = s s v P ` 7 7 G # 3 Q d l ' ' 9 W $ o % / k < ; ; ; ; [ [ b ; b [ < b [ b ;",
+" ; ; [ ; ; ; ; ; = < < < k * * & L o $ q | C | 2 2 2 @ @ @ S @ S S S S S ' ' ' l ' l O ' l O ' l l ' l ' ' ' ' S S S S S @ @ @ @ @ A @ A A A A B A } - } - , , R Y R q I T T g c c k k < < < f / f m m ] ! 5 3 . j U l l ' l ' l d E 3 D 3 N 7 0 ` P f v s = = ; ; ; [ [ ; [ ; [ ; [ ; [ ; [ ; [ [ ; [ [ [ [ ; [ ; ; = = s v f P P 0 7 n N _ _ D D Q Q E d d d l l l l l ' l ' l ' l l ' ' l ' l l l l l d l E U E j ( D 3 _ G G 7 0 ` P v v s = = = s s v P ` 0 7 N _ D E d l l ' l | $ % & * < < ; ; [ [ b ; b b ; b b ; < [ b",
+" b [ b [ ; [ ; ; ; ; < < k k & & L o L $ $   C 2   2 @ @ @ @ @ S @ S S S ' ' ' ' ' l ' l l ' l l l ' ' l ' ' ' S ' S @ S S @ @ @ @ A @ A A A A A } B } } - - p , Y J Y q I T L g c c k k < < < s m m m ] ! ! r . ( U U O l ' l l E E Q D _ _ 7 7 ` P f v s = = ; ; [ ; [ ; [ [ [ ; [ ; [ ; [ ; [ ; [ [ [ [ [ [ [ ; ; ; = s v v f P ` 0 7 N N 3 _ D Q Q E E d d d l l ' l ' l l ' l ' ' l ' l ' l l l l l l d d E E Q Q D 3 3 _ G 7 0 ` P f v s s = = = v v f P 0 7 N # D Q E l l ' O | r o & / < < ; ; ; [ [ b b ; b b ; b b b ;",
+" b ; b ; [ ; ; ; ; ; < < < k & * & L q o $ Y |     2 @ S @ S @ S S S S ' S ' ' ' l ' l l ' l ' l 9 l l ' ' ' ' ' S S S S @ S @ @ @ @ A @ A @ A A A } } } - - C , Y , H Y I T T g g c k * < < < m v f m m V ! 5 r 3 j U l ' l ' l l E E D _ G n 7 ` ` f v s s = ; ; ; [ [ [ ; [ ; [ ; [ ; [ ; [ [ [ [ ; [ [ [ [ [ ; ; ; = = s v f P ` 0 7 n N _ # # D Q E E d d l d l l l l l ' l ' l ' l ' l l ' l l d l d d U E E j Q ( 3 # G _ V 0 ` P f v s = = = = s v P P 0 7 V _ 3 Q d d l ' O W . o * * < = ; ; [ b b [ b b b < b b ; b b",
+" b b ; b b ; [ [ ; ; [ < < < k & * L o q $ t |   2   2 @ @ @ @ @ S S S S S ' ' ' ' ' l ' O l l ' l l ' ' ' ' ' S ' S S S S S @ @ @ @ A @ A A A A A } } } } - - , , Y , H I q T g g c k k < / < s < / f m ] ! 5 r . . U U l ' l l d d E D 3 _ _ 7 0 ` P f s = = ; ; [ ; [ [ [ [ ; [ [ ; [ ; [ ; [ ; [ [ [ [ [ [ [ [ [ ; ; = s s f f ` ` 0 7 N _ _ _ D Q Q E E d d d l l l ' l ' l l ' l l ' l ' l l l l l l l d d E E Q D 3 3 # V N 7 ` ` f v s = = = = s v f ` ` 7 N # # Q E l l l O W r L / / < ; ; [ b [ b b b b b b b b b ; b",
+" b b < [ b [ b ; [ ; ; = < < k / & % L o $ $ t |     2 S @ S S S @ S S ' S ' ' ' l ' l ' l l ' l l l ' l ' ' ' ' S S S S @ S @ @ @ @ @ @ A @ A A A A } } } } C - , Y Y Y q H T L g & c k k < < v / v m m m ] V 5 r 3 j U O l l l l d E D D _ N 7 0 ` f f s = = ; [ [ [ [ [ [ [ [ [ ; [ ; [ ; [ ; [ [ [ [ [ [ [ [ [ [ [ ; ; = s v f P ` 0 7 7 _ _ D D D Q E E d d l d l l l l l l ' l l ' l l l ' l l l d d d d E U Q j Q D _ G _ n 0 0 P f v s = = = = s s f P 0 7 n N 3 D E d l l O W o % / * = ; ; [ [ b b b b b b b < b < b b",
+" b b b b b ; b [ ; ; ; ; < < k * & * L q o $ | t   S   @ S @ @ @ S S S S S ' ' ' ' l ' l l ' O l ' l ' l ' ' ' ' ' ' S S S S S @ @ @ @ @ @ A A A A A } } } } - - - , , H q q I T g g c k k < < < s < v f m ] ! 5 r 3 . U U l ' l l d E Q Q _ _ 7 0 ` P v v = ; ; ; ; [ [ [ [ [ [ [ [ ; [ ; [ ; [ [ [ [ [ [ [ [ [ [ [ [ ; ; = s s f f ` 0 7 7 N _ _ _ D Q Q E E d d d l l l l l l l l l l ' l ' l l l l d l d l E E E Q D 3 3 # G V 0 0 ` P v s = = = = s v f P ` 7 n _ # D E d l l U W o % / < < ; ; [ b b b b b b b b b b b b b",
+" b b < b b b b [ b ; ; ; ; = < k / & % & $ o $ | |     2 S S S S S S S ' ' ' ' ' ' ' l ' l l l ' l l l ' l ' ' ' S S S S S @ S @ @ @ @ A @ @ A A A A A } } } C - , t R , H q q T L g c c k < < < v < f m P m ] ! 5 r 3 j U l l l l d E Q D _ _ 7 7 ` P v s s ; ; [ [ [ [ [ [ [ [ ; [ [ ; [ ; [ [ ; [ [ [ [ X [ X [ [ [ ; ; ; = s v f P ` 0 7 G N # # D D Q E E d d d l d l l l l ' l ' l l l l l ' d ' d l d d d E E ( Q 3 D _ _ N 7 0 P f f s s = ; = = s f P ` 7 7 _ _ Q E d d l U . o % * < = ; [ b b b b z b z z b k b z b <",
+" k b b b b b b b [ [ [ ; ; < < < * & * L o o $ |     S   S @ S @ S S S S S S ' ' ' ' ' l l ' l l ' O ' l ' ' ' ' ' ' ' S S S S S @ @ @ @ @ @ A @ A A A A } } - C - t , Y t q I q g g & c k k < < s < v v m m ] ! ! r . j U U l l l d E E D # G n 7 ` P f s = ; ; [ [ [ [ [ [ [ [ [ [ ; [ [ ; [ ; [ [ [ [ [ [ ; X [ X [ [ ; ; = s v f P ` 0 7 7 N _ _ D D Q Q E E d d l d l l l l l l l l l l ' l l l l l d l d E E E Q Q Q _ 3 _ V 7 0 ` P v s = = = = = v v P ` 7 7 _ # D Q d d d U . o / / < = ; [ b y b b z b z b z z < z b z",
+" b z b z b b b b b [ ; [ ; ; < < k / & o o L $ $ | |   S S S @ S S S S S ' ' ' ' ' l l ' l l ' l l ' l ' l ' ' ' ' S S S S S @ S @ @ @ @ @ A @ A @ A 2 A } 2 } - C , t , Y q H q T h g c k k < < < s v / v m ] ] V 5 3 . j U l d d d d Q D _ # N 7 ` P v v = ; ; [ [ X [ X [ [ [ [ ; [ ; [ ; [ ; [ ; [ [ X [ X [ [ [ [ [ [ ; ; = s v P P 0 0 7 N N # # D Q Q E E d d d d l d l l l l l l ' l l l l d l d l d d d E E j Q 3 D _ G G n 0 ` P v v = = ; = = s f P ` 0 7 _ _ Q E E d l U . % ] * s ; ; b b b z z z z z z < z z b k b",
+" z z k b z b b b [ b b [ ; ; = < < * * * L o o $ | |       S S S S S S S ' S ' ' ' ' ' l ' l l l ' l l l ' l ' ' ' ' ' S S S S S S @ @ @ @ @ @ A @ A A 2 A } } C - C t R Y Y q T T L g c k k < < < s < v f f P ] ! 5 r j j U U l l d E E Q # N V 7 ` P f s = ; [ [ [ [ X [ [ [ [ [ [ [ ; [ ; [ ; [ [ [ [ [ [ [ X [ X X X [ ; ; = s v f P ` 0 7 G N _ # D D Q Q E E d d l d l l l l l l l l l l l l l l l d d d d d E Q Q D 3 # _ G 7 0 ` P v v = = ; = s s v f ` 7 7 N # D Q E d d j . o / / < ; [ b b z y z z z z z z z k z z z",
+" z b z z b z b b b b [ [ [ ; ; < < k * * % o o $ $ | 9 S   S S S S S S ' S ' ' ' ' l l ' l l l l l l ' l l ' ' l ' S ' S ' S S @ S @ @ @ @ @ @ @ A @ A A } 2 } } C - , t Y Y q q q g g g c k k < < = s s / f m ] ] ! 5 3 ( j d d d d d E D D _ N 7 ` P v s = ; ; [ X [ [ X [ [ [ [ ; [ ; [ ; [ ; [ ; [ [ [ X [ [ [ X ; [ [ [ ; = = s f f ` 0 7 7 N N _ # D Q Q E E E d d d l d l l l l l l l l d l d l d l d d d E E E Q ( D _ # N 7 0 ` P f s s = ; = = s v P ` 0 7 _ # D Q E d E U r % / / = ; [ b y z z z z z z z z z z k z k",
+" k z k z z b z z b b b b [ [ ; = < < * / & L o o $ | | 9   S S S S S S S ' S ' ' ' ' ' l ' l ' l ' l l ' l ' l ' ' ' S ' S S S S S S S @ @ @ @ @ A @ A 2 A 2 } 2 } C C , t Y Y q I L L g k k k < < s < s v v P P ] ! r r j U j l l d E E D # _ n 7 ` P v s = ; [ [ X [ X ; X [ [ ; [ ; [ ; ; [ ; ; [ [ [ [ [ X [ X [ X X X [ [ ; = s v f P ` 7 7 N _ # # D D Q Q E E d d d d d d l d l l l l d ' d ' d l l d d E E E Q Q D 3 3 _ 5 n 7 ` P v v = ; = ; = s v f ` 0 7 N _ D Q E d E U o % ] < = ; b y z z z z z a z a k z z z z z",
+" z z z z z z z z b z b b [ ; ; ; = < < / & % o o $ W | 9 9   S S S ' S ' ' ' ' ' ' l l ' l l l l l l l l ' l ' ' ' ' ' ' S ' S S S @ S @ @ @ @ @ @ @ @ A @ A 2 } C C C , t Y Y q q L L g c k k < < < s s v / f m ] V 5 5 . ( U d d d E E D D N N 7 ` P v s ; ; [ X [ X [ X [ [ [ [ [ ; ; [ ; ; [ ; [ ; [ [ [ [ X [ X X ; X [ [ ; ; s s f P ` 0 7 7 N _ # D D Q Q E E E d d l d l d l l d l l l d l d l d d l d d E E E Q Q 3 # _ _ 7 0 ` P f v = = ; = = s v f ` 0 7 _ _ # Q E E E . r % / < s [ b b z z z a a z a z a k z k z z",
+" k z k z k z z z z b b b b b [ ; ; < < * / * o o o $ | | 9 9 ' ' S S S S ' S ' ' ' ' ' l l ' l l l l ' l l ' l l ' ' ' ' ' S S S S S S S @ @ @ @ @ @ A @ 2 A 2 A C } C t , Y Y q q q g g & k k < < < = s s v f P ] ] 5 r 3 ( j U d d d Q Q # _ N 7 ` P v = = [ [ X [ X [ X [ X [ [ ; [ ; ; [ ; ; ; ; [ [ [ [ [ [ X [ X X [ X [ ; ; = s v P P 0 7 n N _ _ # D D Q Q E E d d d d d d l d l l d l l d l l l d d d E E E E Q D D # G _ 7 7 ` P f s = = ; ; = s v f ` 0 7 N _ D Q E d E j % ! / s = b y z z z a a z a z a z a ) z a k",
+" a z a z a z z z z z z b y [ b ; ; = < < * * & o o $ W | 9 9 S S ' S ' S ' ' ' ' ' l l l l l l ' l l l l l l ' ' l ' ' ' S ' S S S S S @ S @ @ @ @ @ @ @ A 2 A 2 2 C C C t t Y q q q g & & c k < < ; s = s v v m P ] V 5 r j j E d E E Q D # _ N 7 ` f v = ; [ [ X X X [ X ; [ [ [ [ ; [ ; ; ; [ ; [ ; [ [ [ [ X [ [ X X X [ X [ ; = s v f P ` 0 7 N N # # # Q Q Q E E E d d d d l d l d d d l d l d d d l d d d E E Q Q Q 3 3 # G G 0 0 P f s s ; ; = = = v f P 0 7 N _ D D E E j j r / m = ; [ b a y a a a a a a ) z ) z ) z )",
+" ) z ) k a z a z z z z z z b [ [ ; ; < < * / * o o . $ | O 9 9 ' ' S ' ' S ' ' ' ' ' ' l ' l l l l l l l ' l l l ' l ' ' ' ' ' ' S S S S @ S @ @ @ @ @ @ @ @ 2 } 2 } C C t t Y $ q q L L g k k < < < < s s s v P m ] V 5 3 3 j U E d E E D # _ 7 7 ` f v = ; [ [ X [ X [ X X [ [ ; [ ; ; ; ; ; ; ; ; ; [ [ [ X [ X X X [ X [ X [ ; ; = s f P ` 0 7 N N _ # # D D Q E E E E d d d d d d l d l d l d l l d d d d d E E E Q Q D # _ N 7 7 ` P f s = = ; ; = = v f P 0 7 N # D D Q E Q . r / / = ; b a y a a a a z a z a ) a z ) a z",
+" ) z a z ) z z a z z z z b z b [ ; ; = < / / ] & o o r W | 9 9 ' ' ' S ' ' ' ' ' l l l l l l l l l l l l l l ' l ' ' ' ' ' ' S ' S S S S S S @ @ @ @ @ @ A @ 2 2 2 2 C C C t t Y q q L L g c k k b = = = s s v f P ] V 5 r 3 j E E E E Q D # _ N 0 ` f v = [ [ X X X X X [ [ [ [ [ ; ; ; ; ; ; ; ; [ ; [ ; [ [ X ; X [ X X X [ [ [ ; = s v f ` 0 7 n n N # # D D Q Q E E E d d d d d d d d l d l d d l d d d d E d E Q Q Q D 3 _ _ V 7 0 P f s = = ; ; = = v f ` 0 7 N _ # Q Q E ( 3 ! ] v < [ z z z a a a a a a ) a z ) z ) z )",
+" a z ) z ) a a z a a z z z z y b [ ; ; = < * * & % o . $ W | O 9 ' ' ' S ' ' ' ' ' ' ' l ' l l l l l l l l l l l ' l l ' ' ' ' ' ' S S S S @ S S @ @ @ @ @ @ 2 A 2 2 2 C C t t $ q q L L c & k < < < = = = s v v P m V ! r 3 ( j E E E Q D # N 7 7 ` f s = [ [ X [ X [ X [ X [ [ [ ; ; ; ; ; ; ; ; ; ; ; [ [ [ [ X X X X [ X X X [ ; ; = v f P ` 0 7 N N _ # D D Q Q Q E E E d E d d d d d d l d d l d d d d d d E E E Q Q D # # N n 0 0 P f v = ; ; ; ; s s f P 0 7 N _ # D Q Q ( r ! / s ; b z y a a a a a a a a z ) a z ) z )",
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+" c ) c ) h ) h ) ) e > ) e e e e e e e e e e e a a a z b ; = s < ] m ! r r 3 ( ( j E E E E E E E E E E E E E E E E E E E E E E E E E d d d d d d d l l l l l ' l ' l ' l 9 O W W o o % & / < < ; [ [ b b b < s v f P 0 7 G N _ # N n n 0 f s [ X K K K X y X b b b k b k < < < < < f < < s / < / < < < < < b < < b b b b b X X X X K K K X X X [ ; s v f ` 0 n n N N N N N # # D D D D D Q D Q Q Q Q Q Q Q Q Q Q D D D # # # N N 7 0 ` f s = [ [ X [ [ = = v P ` 7 n N N N N V P s z a e e e e F e e e 4 e e e > ) h ) ) ) & ) c",
+" c & ) c ) ) g ) ) > e e ) e e a e e e e e a e a a a y z b ; = v m m ! ! r r ( ( Q Q E E E E E E E E E E E E E E E E E E E E E E E d E d d d d l d l l l l l l l l ' l O O O | . o o & / * = = [ b b b b k b s v P ` 0 G N _ _ N # n n ` v = [ X K K X K y b b b k < < k < < / < m / v / < v s / < < / < < < < < b < b = b X [ X K X X K K X X [ ; = v f P 0 0 n n N N # # # # # D D D D D Q D Q Q Q Q Q Q D D D D D D # # _ # n n 7 P f s = [ X [ [ [ ; s v P ` 7 7 N N _ N 0 f < z a e e F e e F e F e > > h e ) h ) g & ) & &",
+" c g c & ) g c e g e ) h e e e e e e e e e e e e a a a z b b = s v m m ! 5 r 3 3 ( j Q Q E Q E E E Q E Q E Q E Q Q E Q E Q E E E E E E E E d d d d d d l l l l l l l l O O W W . % L % / < < ; ; [ b b k b < < v f ` 0 7 _ N # N n n 0 P s ; X X K K K X b b k b k z < k < k < < < / < / < / / < m < < < < < < < < < b b b b b X X K K X K X [ X [ ; s f P ` 7 n n N N N N # # # # D D D D D Q D D Q D Q D Q Q Q D D # # # N N N 7 0 P f s ; [ [ X [ [ = s v P ` n n n # n G ` f b a e e e e F e F 4 e e e e ) h ) h ) & ) & c c",
+" & c & ) & ) g g ) ) e h ) e e e e e e e e e e e e a a a z b ; = v / m ] ! 5 r 3 ( ( Q Q Q E Q E Q E Q E Q E Q E Q E Q E Q E Q E E E E E d E d d d d l d d l l l l l O O O W W o o % / * < = ; b b z b z < < v f P ` 0 G N N N N n n 0 v ; [ K K K X X y b z z z k k k < k / m / v < / v / < < m < / < < k < k z < z b < b [ X X X X K K K K X X [ ; s v f ` 0 7 n N N N # N # # # # D D D D D D Q D Q D Q D D D D D # # # _ N n 7 ` P v s ; [ X [ [ [ = s v P ` 7 7 N n N 7 ` < z a e e F F e F e e 4 4 > > > ) h ) g g & c & &",
+" c & c & & ) ) h ) h h e > e > e e e e e e e e e e e a a z z b ; s v m m ] ! 5 3 3 3 ( Q Q Q Q Q Q E Q Q E Q Q E Q Q Q Q E Q E Q E Q E E E E d E d d d d l d l d l l l U U W o r r & / < < = [ [ b z z z k < < f P ` n n N # N n n 0 f s ; X K K K K y b z < z k k k k k < k < < / / < / v / v / < m < < < < k < k < k b b b b y X K X K X K X X [ ; = v f ` ` n n n n # N N _ # # # D # D D D D D D D D D D D D D # # # # N n 7 7 ` P v = [ X X X [ [ = s f P 0 n n N N n 0 P s z e e e e e F e F 4 e 4 e e ) > ) g g c & g c &",
+" & c & c g g ) ) h ) e ) e h e e e e e e e e e e e a e a a y z b = s v m ] ! 5 r 3 3 ( ( Q Q Q Q Q Q Q Q Q Q Q Q Q E Q Q Q Q E Q E Q E E E E E E d d d d d d l d d l U U U . . o % / * / = ; b b y z z k b < f f ` 0 7 G N n N n n ` v = X X K K X X b b z z k k k k k < / / / / v < / < / < / < m < / < k k < k k z < z b b b X X X X K K K K X X ; = s f P ` 0 7 n n N N # # # # # # D # D D D D D D D D D D D # D # # N # N n 7 ` f s = [ [ X X [ ; = s f P 0 7 n N n n 0 f k a a e F F F e F F e 4 > 4 h > ) h g g c & c & c",
+" & & c & c & g ) h ) h > e > e e 4 e e F e e e e e e e a a a z b = = v f m ] ! 5 G 3 3 D ( Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q E Q E E E E E d d d d d l d d U U . . r o % ] / < = ; b z z z z z k < v P ` 0 n n N N n n 0 P s [ X K K X y y z z k z ) k k k / k k / k / k / m / m < / v / k / k / k k z < k z < z b b b y X K K K K X X X [ ; s v f ` 0 n n N N N N N N # # # # # D # D D D D D D D # D # # # # N n n 7 0 ` v s ; [ X X [ X ; = v f ` 0 n n n N n ` v z a e e F e F F F e 4 4 e > e h ) h ) & g c & & &",
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+" & & & c & & g g ) h ) h h e > e 4 e e F e e e e e e e e e a a z z b = s f m ] V 5 5 G 3 D 3 D Q D Q Q Q Q Q Q Q Q D Q D Q Q Q Q Q Q Q Q E Q Q E E E E E d E d E U E U U . o % % ] / < ; ; b b z a z a k < < f ` ` 7 N N n n n 0 f s [ X K K K y b z z k ) ) k c k * / * < / / / / * m / / / / k / * < / k k k k k z k k z z b b b y X K X K K X X X [ = s v P ` 0 n n N N N N # N _ # # # # # # D # D # # # # # # # # N N n 7 7 ` P v = [ [ K [ X [ ; s v f ` 0 n n n 7 0 f < a e e F F e F F F 4 4 > 4 > ) h g g c & c & & & &",
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+" & & / & * & & c g h ) h h > e > > e 4 4 e F e e F e F e F e e e e e a a z b < s v P ` V G G G 3 _ # # _ # D # D D D D D D D D D D Q D D Q D D Q Q Q Q Q Q ( Q 3 . 3 r ! ! m / s ; b z a a a a e a ) k / f ` 0 7 7 n 7 0 P v ; X K K K y z z a ) ) ) g ) g g c & * & / & & & / & / / * / * / * / k & k & k & c c c c k ) ) z k z z z y y K K K K K K X X [ ; s v f ` 0 7 n N n N n N N N # N N # N N _ # N N # N N N N n n 0 ` f s = [ X X X X [ [ ; = v f ` 0 7 7 7 ` P z e e e F F F F F F 4 4 > 4 > > h h g g & g & * & & / &",
+" / & & * & * & g & g g h h ) > > 4 4 > 4 4 e F F e F e F e e F e e e a a a z < s s f P ] V V G G G # 3 # D _ D # D # D D D D D D D D D D D D Q D D Q Q D Q 3 ( 3 3 r ! ] m m s = b y z a a a a a a ) k m P ` 0 7 7 7 7 ` f = X X K K y b z ) ) c ) h ) g g * g & & & & * / & & / & & / & / & * * * * * * & c / c c ) c ) ) ) ) z z z b b K X K K K K X X X ; = v f P ` 0 7 n n n N N N N N N # N N # N # N # N N N N n n n ` P f s ; [ X K X X [ [ = s v P ` 0 7 7 0 ` / z e e F F F i F F F 4 w 4 > > > h g h & & & * & * ] & &",
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+" & & & * & * & g & g g g h > h > e > 4 4 4 4 4 e F F e F e F e F e e e e a a z z < s v P ` ] 0 G G G _ _ _ 3 _ # # D # # D # D # D # D D D D D D D D D 3 3 3 3 G 5 ! ] m v s ; b z a a a e a e a ) k m m ` 0 7 7 7 0 P v ; X X K K b z a ) ) h ) h g g g g g g & & & * & * & & * & & * & & & & & / & c & c & c c c c ) ) c ) z ) z z b z y y K K K K K X X [ ; = v f P 0 0 7 n n n N N N N N N N N N # N N N N N n N n 7 0 P f s ; [ X X X K X [ ; = s f P ` 7 7 0 ` m k e e F F F F i F F 4 w 4 w > > > h g & g & & * & / & / &",
+" & ] & * & * L & & g g h h h e > > > 4 > 4 e F F e F e F F F F e F e e e e a a z b < v f f ` 0 V 7 G G 5 # _ # _ # _ # # # # # # # D # D # D D D D D 3 3 D G 3 5 ! ] m f s = z y a a a e a e a ) ) * m P ` 0 7 7 0 ` f = [ X K K y z z ) ) h ) h g h g g g g & & L & L & L * L * L * & % & * & * & & * & c & & g c c c c ) ) ) ) ) z z z y y X K K K K X X X ; = s f P P ` 0 7 n N N n N N N N N N N n N N N N n n n n 0 ` f v = ; X X K K [ X [ ; = v f ` ` 0 0 0 P < a e e F i F i F F F u w 4 > > > h L g L & L * & % & * & &",
+" & & * & * & * L g & h g h h > > > 4 > 4 4 4 4 4 F e F F F e F e F e e e e e a a z < = v f P ` ] 7 V G N G _ _ 3 _ # # # # # # # # # D # D # 3 # 3 # 3 # r G 5 5 ] m f v = b b a a a e e e e a ) k < P ` 0 7 0 7 ` P s [ X K K y y z ) ) g g h h h g g g g & g L & & & & L & & & & L * & & * & & & * & c & g ) & ) g ) c ) c ) ) z k z z b y K K K K K K X X [ ; s v f P ` 0 7 7 n n N n N N N N N N N N N n N N n n 0 ` P f s = [ X X X X K [ [ < s v f P 0 0 0 0 f k ) e F F F i F F F M 4 4 w w > > h h g & & & & * & * & / &",
+" & / & % & * & & & g g g h h h > > e > 4 > 4 4 e F F F e F F F F e F F e e e a a a z k s v f P ` 0 V 7 G _ 5 N # _ _ 3 _ _ # _ # _ # # # _ # _ ( _ 3 # G G 5 G ] ] m v s b b z a a e e e a e ) ) * m P ` 0 7 0 0 P v ; X K K K b z ) ) ) h h h h h h g L h L L g L & L & L & L & L & & L & & L & & g & g g & g c g g ) g ) ) ) ) ) ) z z z b y X K K K K X X X ; = s v f ` ` 0 7 n n n N N n N n N n N n N N n n n 7 ` ` f v = ; X X K K K [ X ; < s v f ` 0 0 0 P / ) e e F F i F i F M F w w 4 > > h h L L g & & & * & & / & &",
+" & * & * & L * & L g g h h h > > > > 4 > 4 4 4 4 4 F e F F F e F F e F e e e e a a a z < s v f P ` ` G 7 G G N G _ N _ # 3 _ # # # # _ # _ # _ # _ 3 G G 5 G ] ] f v s = b z a a e e e e e a ) ) / / ` ` 0 0 0 ` v = [ X K K y z ) ) g h h h h h h h g h g L & L g L L g L L L & L & L & & & L & & & g & g g g g g g ) g ) c ) ) ) z ) z z y y K K K K K K X X [ ; s v f P ` ` 0 7 n n n n N N n N N N N n N N n n ` ` P v s = [ X X K X X X b b < s f P ` 0 0 0 m k a e F F F i i F F + u 4 w J > > > T g g L * L * & * & & * /",
+" * & * & * * L & & L L g h h h > > > > 4 > 4 4 4 F 4 F F F F F F F F e F F e e e a a z z < s f f P ` ` 0 V n V _ G _ N _ _ N 3 _ _ 3 _ 3 _ 3 _ 3 G G G G V ] m P f s = b y a e a e e e e e e ) * m P ` 0 0 0 ` f s [ X K K y z z ) ) h h h > > h h h L h L L g h L g g L g L g L L L L g & L & L & g & g g c g g h ) g h ) g ) ) ) ) a z z z y y K K K K K X X [ ; = s v f P ` 0 0 7 n n n N n N N N n N n n n 0 0 ` P f v = [ X X K K K X [ b ; < s f P ` 0 ` ` m k e e F F i i F + F u w w w w > > T h L L & & L * & & * & & &",
+" & & & * & L * & g & h g h h > h > 4 > > 4 > w 4 4 F F e F F F F F F F e F e e e e e a z z < s v f P ` 0 0 G n V N G N N _ N _ _ _ _ _ # G _ G _ G G G V V ` P v s = z z a a e e e e e e a ) c * / ` ` 0 0 ` P s ; X X K X b z g ) h h > h h > T h T g T h g T h L T L h L g h L g g & L L g & g L & g & g g g g g h ) ) h ) g ) ) ) z ) z z b y X K K K K K K X [ ; = v v P P ` 0 0 7 7 7 n n n n n n n n n 7 0 ` P f v s ; [ X X K X K X b b < < v f P ` ` 0 P * ) e F F i i F i F M u 4 w 4 H > > T L g & g & & & * & & * & &",
+" * & * & & & & L & g L L h h > > > > > J > 4 4 4 4 4 F F F F F e F F F F F F e e e e a a k z < v f f P ` ` 0 0 7 N V N G G N _ N _ G _ N _ G G N G V V 0 m P v v < b z a a e e e e e e e > ) * / P ` ` 0 0 ` v = [ X K X y z ) c h T h > > > T > T h T h T T h T > T > T > T h g L h L g L g L L g L g L g h g g g g h g h ) h ) ) ) ) ) z z z y y K K K K K X [ X ; ; s v f P ` ` 0 0 7 7 7 n n n n n n n 0 0 ` P P v s = [ X X K K X X X b < < < / f P ` ` ` m k e e F F F i i + F M u w w J J > > T L h & L & * L & * & & & *",
+" & * g & & L * & L h g g h T h > > > 4 > 4 w 4 w 4 4 4 F F e F i F e F e F e F e e e e a a a k < s f f P ` ` 0 V 7 n V n G V N G N G N 5 V N G V V 0 ] P P v s < b z a a e e e e e e e e ) ) * m f ` 0 ` P f s [ X K K y z ) c h h > I I > T h T T T > T h T > T h > T h h T > T h L T g L L g L g L g h g g g h g h g h ) h ) g ) ) ) z ) z z y y K K K K K K K X [ ; = s v f f P ` ` 0 0 7 7 7 7 7 7 0 0 0 ` ` P v v = [ [ X K K K K X b b b < / v P ` ` ` m * ) e e F i i i F i M u w u w > > I T T g L g & g & & * & & * & &",
+" * & & & & & L & g & L h g h > > > > > > w > 4 w 4 w F 4 F F F F F i F F F F F F e e e e a a z k < / v f P ` ` 0 0 0 n V n 7 G 7 G V 7 G n G 0 V 0 ` ` f v v = b z a a e e e e e e e e e g c m m ` ` ` ` P s ; X K K y b z c g h I T > I T I I h > h > T > T > > I h > > T > h T T > T L h h h L g h g L g L h g h g h h h g h ) h ) ) ) ) z z z b y K K K K K X [ X [ ; = s v f P P ` ` 0 0 ` 0 0 0 0 0 ` ` ` f v v = ; [ X X K K K X b b b k < < f P ` ` ` m c e e F F i i i F + u u u w J J J > > T g L & g & g & & & & & * &",
+" & & & L * g & L L L g L L > h h > > 4 > 4 J 4 w 4 u 4 F F F F F F F F F F F e F F e e e e a a a z < s v f f P P ` ` 0 0 0 n 7 V n n V V 0 V 0 ` ` f f v s < z z a a e e e e F e F e e h c * m P ` 0 ` f v ; X X K X b z c h h T I I I > I > > I I I > I > > > > > > > > > > T > > T h T T h L T L L T h h h h h h h g h h ) h ) h ) ) ) z ) z z y y X K K K K K K [ [ ; = s s f f P P ` ` ` ` ` 0 ` ` ` P P f f v s ; [ X X K K K X X y b k k < / m P P ` m / ) e e F i i i i F + u u w w J 4 T I T L L g g g & & & & c & * g &",
+" & g * & L & g & g g h h T h h > > > J > > J 4 w 4 4 4 u 4 F F F F F F F F F i e F F e e e e a a k z k < v f f P ` ` ` 0 0 ` 0 ` 0 0 0 0 0 ` ` P P f v s < z z a a e e e e e F e e e > g & / m ` ` ` P v = [ X K K b z ) g L T I I I I I > I I > > I > > > J > > J > > > > > > I h T > T h T T h h h L h T h L h h h h h h > h h ) h ) ) ) ) z z z y y K K K K K K X X [ [ = s s v f f P P P ` ` ` P ` P P f f v s ; [ [ K X K K K K b b z < k < < m P ` ` m / e e F F i i i + + M u u w w J I I T h L g L & g & & g * g & g & c",
+" g * g & g & L L g L g L T h > > > > > 4 J 4 I 4 w w u F w F F F F F F F F F F F F e F e e e e a a a k < < / v f f P P ` ` ` ` ` ` ` ` ` P P P f v v < < z z a a e e e e F e F e e 4 ) ) * / m ` P P f s [ X X X y b ) c L T I I I I I I I > I I > I > J > > w > 4 > J > J > > > > T > T T > T h T T h T h T h T h h h h h h h h ) h ) ) ) ) z z z y y y K K K K K X K [ [ ; = s s v f f f P P f P P P f f v v s ; ; X X X K K K X y y b z k k < m f m m m / ) e e i i i i F i M M u.  w w J > I > L T h L g & g g g & g c * g *",
+" & g & g L & g L g L L h T T h > > I > > J 4 J w 4 4 4 u 4 u F F F F i F i F F F F F F F e e e e a a a z k < < v f f f f P P P P P P P P P f v v v < b z a a a e e e e F e F e e 4 e h g / m P ` P f s = X X K X b ) c g T q I q H H > J I J > J > J > > w > 4 > w > J 4 > 4 > I > I > I h T > T T h T T T h T h > T h > h h h h h h ) h ) ) a k z z b y K K K K K K X X X [ ; = s s s v f f f f f f v v s s = ; ; X X X K K K K K z b z k k k / m m P ] m g ) e F F i i i i + 6 M x.  w J J J I T T g L g & g g g & c & & g & g",
+" g & g & & g L g L g T g T T > I > > J > 4 J > 4 w w w F u 4 M F F F F F F F i F F F F e F e e e e a a a k z < < < v v f f f f P f f f v v v < < < z z a a e e e e F F e F e F 4 e h & c / m P P P v = [ X K X b z c g q T I q H H J I H > J I J J 4 J 4 J 4 J 4 J 4 > w > H > 4 > I > > T T T h T T T > T T > T h T > h h h > h h ) h g ) ) ) a z z z y K K K K K K X X X X [ ; ; s s s s v v v v v v s s = = [ [ X X K K K K X b y z k k k k k m m m m / c e F F F i i i + M M x x.  w J J > I T T L g h g g g g c g g & g c g",
+" g g g L g L g L h L h T h T > > I > J > I J w w w 4 w w 4 u 4 + F F F i F i F F F F F F F F F e e e e a a a k k < k < v / v v v v v v v < < < z k z a a e e e F e F e F e F e e > h c / ] P P P f = [ X X X y k c L g q q q H H H I J > J J I 4 > w > w > J 4 J 4 > J 4 J 4 J > J > I > I > I I T > T T T h T T > T > h > h > h h h > ) g ) ) ) ) z z y y X K K K K K X X X [ [ ; ; = = s s s s s = s = = ; [ X X X K K K K K y z z z k ) k k / m m ] m & ) e F F i i i i + M 6 x w.  w J I I T T T L g L g & & g g * g c g g g",
+" g & g & L g L g L T L T T T > I > I > J 4 > w w w w 4 u 4 u F u F F F F F i F i F F F F F e F e e e e e a a a ) a k k k < < < < < k < k < z k a a a e e e e e e F F F e F e 4 4 ) g & / m P P f s ; X X K X b k g L L q q H H H J J J J J > w J J 4 w 4 w 4 w > w 4 w > 4 I J > J > > I > > I > I T I > T I T > T h > h > T > h h h h h ) h ) ) z z z b y y K K K K K K K X X X [ [ ; ; ; = = = = = = ; ; [ [ X X K K K K K X y z z k ) ) k / / / m m * g e 4 F i i i i + + 6 x x.  8 w J H I I T h L g g g g g g g g g & g * g",
+" g g & h g L g L T g T T T I > I > > J I J J 4 J 4 w w w u w u F u + F F F i F F i F i F F F e F F e e e e e a a z a ) z < ) k k k k k z k a a a a e e e e e F F F e F F F 4 e > g g / m P m f s ; [ X X X b ) & & L q Y H Y H J H J J J J w J 4 w w w 4 w 4 w 4 4 w 4 J J 4 > w > J J > J I > I > I > I T > > I > I > I I h > T > > h h h ) ) ) ) ) z z z y X K K K K K K X X [ X [ [ [ ; ; ; ; ; ; ; [ [ X X X X K K K K K z b z z ) ) c c * m / m / c > e e F i i i i + M ~ x ~.  R J H I I T T T g h L g g g & g c g g g g g",
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+" T I q q I H H H H J H J R J J R J 8 R J w R.  R w 8.  w. . . .  x.  x x x u ~ M u + u + + + + i F i F i F i i F i i i i F i i i i i F i i F i F F i F M F w 4 w > > h L & c * k k b b X [ b k * % o . $ | t t , R 8 8. . .  u u u u u u M M u M u u u u u u w u w.  w w.  w R w 8 J R J 8 R R H R J J R H R J R J Y J Y H H H H H Y H q H I I q T q L T L h g g ) k ) ) k z z z z b z z b z y z y b z z z z ) ) ) ) h ) h h h h h h g h g > > e F i i i i i { 6 1 1 ^ ^ ^ ^ p R R R H q I q L L T L h L g L L g L T L T L T T q",
+" I q I I H H H H J R J R H R R J 8 J 8 R 8 J 8 w 8.  R. . . . . .  u x x x x M x 6 M u M + + + + + i i i i i i i i i F i i i F i F i i i F i F i F M F M w u w J > > L g * / k k b b b [ ; < / / o r o | C t - , p R p. .  x x u u u M M + u M u M u u u u u w u w u w 8 w R.  R w R.  J R J J 8 R H R R J R R I R J H J Y J Y Y H H H q H q q H q I q L T T L g g ) ) c ) ) z k z z z z z z z z z z z ) ) ) ) ) ) h h h > > h T h L L T h > 4 4 F F i i i i 6 ~ 1 ^ ^ ^ ^ , , p H Y H q H q L I L L L T L g T L T g L T q q T T",
+" H I H H H H R R H R R J R R.  8 R.  R w R. .  R. . . . . . .  x.  x.  x x x x x x M M M M M + + + + F i F i i F i i i i F i i i i i i F i F i F + M u u 4 w > w > > L & & & k k z b [ [ < * * % o . | | | , , , 8 8 8. .  x x x M u M u u + u M M u u u u w u w.  w.  w.  R w w R J R R.  R R R J R H R R H Y R R Y R R H R H H H Y H Y q Y H q I q T q q L h L g g g ) c c ) ) z ) k z z k z k z ) ) ) ) c ) g g h h h > h > T > T T > > > 4 F i i i i i { 6 ~ ^ ^ ^ ^ - , p Y Y Y q q q I q L L L L L T L L L L q T q T T q I",
+" q H H Y J R H R R H R R.  R J R 8 J 8 R 8. .  R.  8 R 8. . . .  8 x.  x x x 6 x 6 x 6 M M M M + + + + + i i F i i i i i i i F i i F i i F i + F M F u w u w 4 I > g L c & k k z b b [ ; < / / % . o | | C t - p , 8 ~ x x x u x M M u M u u M u M u u u u.  u. . . . . .  J 8 R.  J 8 R J R R R R R R Y R R R H R H Y H Y R q R Y H H Y I Y q q q q q T L q L L L L g g c c c c ) ) ) ) k ) ) ) ) ) k ) c g h h h T T > I T > T T h T h > 4 4 F i i i i i + Z p ^ ^ } ^ - - , R R H Y q q T q L q L q g q T L T L T q I q I H I",
+" H Y H R H Y R R R R.  R R 8 8 R 8 8 8 8 8 R 8 8 8 8 x 8.  ~ 8 ~.  8 x ~ x ~ x x x x 6 x 6 M 6 M M + + + + + + i i F i F i i i i i F i F + + M M u u u w 4 w J I T L & & & k k k b [ ; < < ] % o . W |   C t p , 8 p 8 x x x x M M u M M M M u M u u u x u x. . . . .  R.  8 R.  R 8 R R R R R R R R H R H R H R R H R R R H R Y H H Y H Y H q Y q q q q q L I q L g L L g g g c c c c ) k ) ) c ) c g ) h g h T T > T > I h I T > h > > 4 4 F F i i i i { 6 ~ ^ ^ } B - - , p Y Y Y q q q q q L q L L T L L q L q q T q I q q H",
+" H R R H R R J R R 8 R 8 8 R p 8 8 p 8 8 ~ 8 ~ 8 8 8 8.  8 p.  8 ~ x p x 8 x ~ ~ M x 6 x M 6 M M M M M + + + + + + i i + i F i F + i + + + u + u M u w u w J > > T g g & k k z b b ; ; < / * r r . | | t C - , p ~ 8 ~ x x x x 6 u 6 M M M M u M M x u x. . . . . . .  R.  R R R 8 R R R 8 Y R Y R , R Y Y R Y R Y R Y H Y R H R Y R H Y H q Y q H q Y q q q q L q L L g L g g g g g ) g ) g ) & ) g g g g h T T T I I T I > > I T > I > 4 4 F i i i i i { 1 p - - } - } - - Y R Y H Y q q q T q L q L q L q L q I L q I q H Y H",
+" q R R Y R R , 8 8 R 8 , 8 8 R p 8 8 8 8 p 8 8 p 8 ~ p 8 ~ 8 8.  ~ 8 ~ 8 ~ ~ ~ x ~ ~ x ~ 6 x 6 6 + 6 M M + + + + + + + + + + + + + + + u + M u u u w w w > J I T g L & * ) k k b ; ; < / ] % r r . | 9 C C - p p 8 8 ~ x ~ x M 6 M x M M 6 u 6 x u x x x x x. . .  8 8 R 8 R 8 8 R , 8 Y 8 Y 8 Y R Y R Y R , Y R Y Y R Y R Y t H Y Y H Y Y Y Y H Y q q q q q q q L q L q L L L L g g g & g g g g h g L T T T T I I I I I I I > > I > > J 4 F i i i i i { 6 8 p ^ } } } - - p , Y Y Y q q I q L q L q q L q T q I q q q q H q H Y",
+" R Y Y 8 R , 8 , , - p p p , 1 p 8 p p p p 8 p 8 ~ 8 8 ~ 8 p 8 ~ p 8 ~ ~ ~ x ~ ~ ~ ~ 6 x ~ M x 6 6 6 M 6 M M + M + + + + + + + + + M M M u u M u u w u w J > I T h g g c k z z b ; = < / ] % r . U | 9 C C , - p p ~ ~ ~ x 6 x x 6 M x 6 u 6 u x x x x. . .  8 8 8 8 p 8 8 , 8 , Y p Y , , , Y , Y , Y , Y Y R t Y R Y Y Y Y H , Y R Y Y Y H Y q Y q Y q q q q q q q L L q L L L L L g L g L g L L L T L q T q I q I I I I I I > I > 4 4 F F i i i i i + x p - } } } } - - t , Y Y Y H Y q q q q L q L q q L q q I q H q Y H Y J",
+" Y , R p , p , p p 1 , p , p p p p p p p p p p 8 p p 8 p 8 8 p ~ 8 ~ p 8 ~ 8 8 ~ ~ ~ ~ ~ ~ ~ ~ 6 x M 6 6 M 6 M 6 M M M M + M M M M M M M M M x u w.  w w > J T T L g c c k z < ; ; < / / % % . . W 9   C - - , p ~ 8 ~ x ~ u 6 M 6 x 6 x M x 6 x x x x x 8 ~ 8 p 8 8 8 R , p , R , , Y , , Y , , Y , Y , R Y Y R Y , Y Y R , Y Y Y Y Y Y Y Y Y Y q Y Y H $ Y q q q q q q q L L q L L q L L q L q L T L q q I q I I I I H > J > I J > w 4 F i i i i i { 6 8 p - } } } } } - - , , Y Y q q q q q q q q q T q q q q q Y q Y H Y R Y",
+" , 8 , , p , p , p , p p p p p p p p p p p p p p p p p p p ~ p 8 p 8 ~ 8 1 ~ ~ 8 ~ ~ ~ ~ 6 ~ Z ~ Z 6 6 6 6 6 6 M M 6 + 6 M 6 M 6 M 6 M 6 u x u x.  w w J J I T T g g c ) k z < [ = < m ] ! r 3 j O 9 t C C - p p p ~ ~ ~ 6 6 x x 6 M 6 x 6 x x x ~ ~ 8 8 p 8 8 ~ , , , p , , t p t , , t , t , t t , t Y t C t Y , Y Y Y Y Y Y R Y Y Y Y Y Y Y Y Y Y q $ q Y q $ q o q q q q q L q L L q L q L L q q I q I I q H H H H J I J I J 4 J 4 4 i i i i i i { x p - - C } 2 } - C , t Y Y Y q Y q q q q q q q q q q q q Y q H Y R Y Y ,",
+" p t p - p - p - ^ ^ ^ ^ ^ ^ - p ^ p ^ p p p p p p p p p p p p p ~ p p 1 p p ~ 1 ~ 1 ~ ~ ~ ~ 6 ~ 6 ~ ~ 6 x 6 M 6 6 6 6 6 6 M 6 M 6 x 6 x x x x. .  w w H J > T g g g c k k b ; ; s / / ! % 3 . . O 9 2 C - - p p p 1 ~ ~ x ~ Z M 6 x 6 x x 6 x ~ ~ x ~ ~ 8 ~ 8 , p , p , , , , t , t , t t t t t t t t t t t , t Y t , Y , Y , Y Y Y R Y Y Y Y Y Y Y Y Y Y Y $ q Y q Y o q q o q q q q q q T q q q q q I q H q H H H I J I J > J > w F F F i i i i { M ~ , - C 2 2 } } C - t , , Y Y Y $ q q q o q q q q q q Y q q Y R Y R Y R ,",
+" , - , - - ^ - ^ ^ - ^ ^ - ^ ^ ^ ^ ^ p ^ ^ ^ p ^ p p 1 p p p p p p p 8 p 1 ~ p 1 8 1 ~ 1 ~ 1 ~ ~ ~ ~ ~ 6 ~ 6 Z 6 x 6 6 M 6 6 x 6 6 M x x x. .  w 8 w H I H T T L g g ) k z b = = < m m ! r r . U O 9 2 C } ^ p p 1 ~ ~ ~ 6 ~ 6 ~ 6 x 6 ~ x ~ ~ ~ 8 8 8 p p , p , p , , C , C t C t     t   t C t t t t t t $ t t t t t t t Y t , Y Y Y Y Y Y Y Y Y Y Y Y $ Y q Y $ $ q $ q q q q o q q o q q q q q q H q Y H H H H H J I J > w 4 w 4 F + i i i i i { x 8 p C 2 } 2 2 } C } , t Y Y Y $ q q Y q q q q q q Y q Y H Y Y Y Y , Y p ,",
+" - - - ^ - ^ - ^ - ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ p : ^ p ^ p 1 p 1 p p 1 p p p ~ p 1 1 p 1 ~ 1 ~ 1 ~ 1 Z ~ ~ ~ ~ 6 ~ 6 ~ ~ 6 ~ x 6 x ~ x ~ x x. .  w J J H I T L g c c c k b < ; s / m ] ! 3 3 ( U O 9 2 C - - ^ p p 1 1 ~ ~ ~ ~ x 6 ~ ~ ~ ~ ~ ~ ~ ~ ~ p p p p , - - C - t C t C | C $ t | $ | | t | | t | t | t $ t t t t t t t Y t t t , Y t Y t Y Y Y Y Y Y Y Y q Y Y q Y $ Y $ q $ q q q q q Y q q Y q H Y H Y J H J I w J J J 4 u F i i i i i { M.  , - C 2 2 2 2 } C C C , t t Y Y Y Y $ q $ Y q $ q Y q Y Y Y , Y R , , - ,",
+" - - - - - B - ^ } ^ } ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ : ^ ^ ^ ^ : p ^ ^ p ^ p p p p 1 p p 1 p p ~ p 1 1 1 ~ 1 1 ~ 1 6 ~ ~ ~ ~ ~ ~ 6 ~ ~ ~ ~ ~ ~ x ~. .  R.  R J H I I T h g g c ) k z s = < m m ! 5 r 3 j U 9   C 2 - ^ ^ p 1 ~ 1 ~ ~ 6 ~ 6 ~ ~ ~ ~ ~ ~ p p p p p , ^ - - - , C C C   t   | C | |   | | $ | | t | $ | t | t $ t $ t t t t t t t Y t t Y t Y t t Y t $ Y Y $ Y $ q $ Y q q $ q q Y $ Y q $ q q Y H Y Y H J J H J J J J J J w u F + i i i i i { x 8 p C C 2 2 2 2 2 } C , t t Y Y q $ q q Y q Y $ H $ Y Y Y Y Y t Y , - , - -",
+" } - } } B - } B - B ^ - B - B ^ ^ ^ : ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 1 ^ p ^ 1 ^ p p p p p p 1 p 1 p p 1 1 1 1 ~ 1 1 1 ~ 1 ~ 1 ~ ~ ~ ~ ~ ~ x ~ ~.  8. .  R w J H H T T L g ) c k k b = = v m ] ! 5 3 ( j U O S   } } - ^ p p 1 1 1 Z ~ 1 ~ ~ ~ 1 ~ 1 1 ~ p p p , - - - , C C C C | C | | | W | | W | | | | $ W | | t W t |   | | t | $ t t t t t t t t t t t Y t Y t Y t Y t Y Y Y $ Y $ Y Y $ Y q $ Y Y Y q Y H Y H J Y R J J J J J 4 w 4 u F F i i i i { +.  8 t C     2 2 } 2 C C C , t t t Y Y $ Y Y $ q Y Y Y Y Y t Y , , - , - - - -",
+" } } } } } } B } ^ } } ^ - ^ ^ B ^ ^ - ^ : ^ ^ ^ : ^ ^ ^ ^ ^ ^ : ^ ^ p ^ ^ 1 ^ p 1 p p 1 p 1 p 1 1 1 1 1 ~ 1 1 1 1 ~ 1 ~ 1 ~ ~ ~ ~ 8 8 ~.  8 R J J H H I T T L g c c k b < = s / m m ! 5 r 3 U O l   2 C } ^ ^ ^ p 1 1 1 ~ 1 Z ~ 1 1 ~ 1 p p p p ^ - - - C C C C     | 9 | O | | | | W W W $ . W W | $ W W | $ | $ | t | t   $ | t t t t t t Y t t t t t Y t Y t $ $ $ Y $ Y q Y $ Y q Y Y Y Y Y Y Y R H R R H J J R J J w w w 4 + F i i i i i { u 8 - ,     @   @ 2 2 2 C C , t t t Y $ Y q $ Y $ Y Y t Y t Y , t , t - - C } }",
+" } } } } } } } - } } ^ } ^ B - ^ - ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ p ^ ^ ^ p ^ p p 1 p p 1 p 1 1 1 ~ 1 1 ~ 1 1 ~ 1 ~ 1 ~ 8 p 8 8 R w R J H I I T g g g c ) k < = = s m m ] 5 G 3 ( E U O   2 2 } - ^ ^ : p 1 1 1 1 1 1 1 1 1 p p ^ p ^ - - - - C C 2 t 9 9 | O | O W U W . W W . . . W . . . W $ W W $ W | $ | | t | t | $ C $ t t t t t t t t t t $ t t Y t Y $ Y t $ Y $ $ Y Y Y Y Y Y Y R Y Y R R R J J J w w w w M F i i i i i { M u 8 Y C       S 2 2 2 2 C C C t t t t Y $ t Y Y Y t Y t t t , , C , } C } } } }",
+" } } } } } } } - } ^ - ^ - ^ - ^ ^ ^ - ^ - ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ p ^ p ^ 1 ^ p p 1 p 1 p p 1 1 1 1 1 p 1 8 1 p 8 8 p. .  8 8 R J J H I T T T g g c k b < = s v m ] V 5 5 3 3 ( l 9 S 2 C } } ^ ^ ^ : p 1 1 1 1 1 1 p ^ p ^ ^ - - - } C 2 C   9 9 9 | O | U W W . . . . r . o . r o . o . . W $ . W $ W | $ | | t | t | t | t   t t t t t t t t t t t t $ Y t Y t Y t Y t Y Y Y Y R Y Y R J R R J R J w w w w F M + { i i i { { +.  R ,   t S   S 2 @ 2 C C C   C t t t $ Y t t t t t t t , , C C - C } C } C } 2",
+" 2 2 } 2 } - } - - - - ^ - p ^ ^ , ^ ^ ^ ^ - ^ ^ - B ^ B ^ B ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ p ^ p ^ 1 ^ p p p 1 p p 1 8 p ~ p 8 p R 8 J R R H H I q T L g c c k k = s s / m ] V 5 G D ( U U l 9 2 2 } } - ^ p ^ : p : p : p : p ^ ^ ^ ^ - } C C 2     9 9 | O O U . j . . . 3 . r . r j o . r . r . o . . . $ W W W W | | W | | | | C | t | t | t t $ t t t t t t t t t t t Y t Y t Y Y Y Y R R Y R R J R R w w w w w w F u i i i i i { + u.  Y t   9 9 S   S   2 2 2 C C t   t t t t t t t t t t C t C C C C } 2 } 2 A 2 }"
+};
diff --git a/hacks/images/sball.xpm b/hacks/images/sball.xpm

new file mode 100644 (file)

index 0000000..dc7a88e
--- /dev/null
+++ b/hacks/images/sball.xpm
@@ -0,0 +1,131 @@
+/* XPM */
+static char * sball[] = {
+"64 64 64 1",
+".     c #3A127E",
+"+     c #326DB3",
+"@     c #12E6FA",
+"#     c #1CB9E2",
+"$     c #3655A6",
+"%     c #34499D",
+"&     c #1EB0DD",
+"*     c #4AE6F6",
+"=     c #38368F",
+"-     c #2298CF",
+";     c #32E2F2",
+">     c #3A2C8C",
+",     c #12D6EE",
+"'     c #22A6D6",
+")     c #2A76B6",
+"!     c #2AEAFA",
+"~     c #16CEEA",
+"{     c #228BC6",
+"]     c #0EF2FE",
+"^     c #47BEE8",
+"/     c #3A2286",
+"(     c #2EAEDA",
+"_     c #4A76C6",
+":     c #1EEAFE",
+"<     c #3B95D5",
+"[     c #16DAF2",
+"}     c #1EFEFE",
+"|     c #36F8FE",
+"1     c #3EBBE5",
+"2     c #32A2D2",
+"3     c #3A1E82",
+"4     c #2EEEFA",
+"5     c #36D6FE",
+"6     c #2A7EBE",
+"7     c #3BA8DE",
+"8     c #2F60AA",
+"9     c #23C2EB",
+"0     c #268AC6",
+"a     c #419EDD",
+"b     c #0AFAFE",
+"c     c #387EC1",
+"d     c #56B2F2",
+"e     c #3A1A82",
+"f     c #16FEFE",
+"g     c #50FEFE",
+"h     c #32BAE6",
+"i     c #2ECCF3",
+"j     c #3E127E",
+"k     c #43D5F8",
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+"m     c #2BFDFE",
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+"o     c #4AA4E4",
+"p     c #4060B0",
+"q     c #22BEE6",
+"r     c #4656AE",
+"s     c #46F4FE",
+"t     c #318CCC",
+"u     c #2883C0",
+"v     c #38167E",
+"w     c #393E97",
+"x     c #404AA0",
+"y     c #50ABEC",
+"z     c #4381C6",
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+".j....j.jj.j..jj=8-qqq99iiih12c833e3/xpnt<t0ttu8/vv....j.jj..j..",
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+"....j.j..j..jj...j.j....vje/=w%w>/ej.v.v.v...j.....jjj.jj..j...."};
diff --git a/hacks/images/tree.xpm b/hacks/images/tree.xpm

new file mode 100644 (file)

index 0000000..7fb01c7
--- /dev/null
+++ b/hacks/images/tree.xpm
@@ -0,0 +1,226 @@
+/* XPM */
+static char *tree[] = {
+/* width height ncolors chars_per_pixel */
+"128 128 91 1",
+/* colors */
+"  c None",
+". c #4E561E",
+"X c #AE9D44",
+"o c #E2DFC3",
+"O c #D8D3A2",
+"+ c #CCC489",
+"@ c #7F8965",
+"# c #CCB65E",
+"$ c #2A4622",
+"% c #AFB59E",
+"& c #847B2B",
+"* c #988B59",
+"= c #22361D",
+"- c #989548",
+"; c #5E7130",
+": c #060412",
+"> c #928D42",
+", c #A29D55",
+"< c #F2F2E9",
+"1 c #AAA26A",
+"2 c #958627",
+"3 c #B7A64F",
+"4 c #313C1E",
+"5 c #7B8260",
+"6 c #E1E2D8",
+"7 c #989858",
+"8 c #A69948",
+"9 c #677635",
+"0 c #787328",
+"q c #D8D8CF",
+"w c #A9A458",
+"e c #67684C",
+"r c #49662B",
+"t c #B8B577",
+"y c #E6E8E3",
+"u c #697651",
+"i c #D0CE9F",
+"p c #D3BF6D",
+"a c #C8B976",
+"s c #121416",
+"d c #888837",
+"f c #BDB061",
+"g c #464921",
+"h c #ECEBE5",
+"j c #9E9974",
+"k c #4B5929",
+"l c #BBC28D",
+"z c #85884E",
+"x c #CFCDC5",
+"c c #0C1216",
+"v c #4E4E39",
+"b c #83832E",
+"n c #9C922C",
+"m c #585832",
+"M c #A9AD88",
+"N c #C4BA9F",
+"B c #C4C395",
+"V c #ACB37A",
+"C c #B8B893",
+"Z c #C3A955",
+"A c #666A35",
+"S c #7A8438",
+"D c #8A9476",
+"F c #161A18",
+"G c #586827",
+"H c #90955E",
+"J c #9A9E75",
+"K c #C9C8AD",
+"L c #3C3F29",
+"P c #B9C0B4",
+"I c #767947",
+"U c #61692F",
+"Y c #7A7041",
+"T c #2F2C29",
+"R c #98A386",
+"E c #DDD6A2",
+"W c #B4AA87",
+"Q c #0A0C15",
+"! c #A59639",
+"~ c #8B9247",
+"^ c #A7A67D",
+"/ c #3B482A",
+"( c #1A261A",
+") c #989339",
+"_ c #B6A867",
+"` c #60614E",
+"' c #26291F",
+"] c #767A35",
+"[ c #3A5525",
+"{ c #7B795B",
+"} c #6C762B",
+/* pixels */
+"                                                            h      qM<y                                                         ",
+"                                                           <Oh< hhEEO< h                                                        ",
+"                                                      666  <oBEhoOEB<NMN6                                                       ",
+"                                                   <<l6Bl+BoO+BooEEoKPPPM6o<<<                                                  ",
+"                                                  OEtCKl<6Eh6oO6EE+oK < %llM%<NK6                                               ",
+"                                                  O+llN6 K6<MlJ%EhEooPoxl@PPllDCh                                               ",
+"                                                  ooohh6o<lMlMtVlOBKooO6KKM%MVK@q                                               ",
+"                                                   <o<oNK<PRllMHJJalJ+otENN%MH@CRh                                              ",
+"                                                  oy<yEJ+tlVC+JtVJVK<llaEOKlRD@P6Rx                                             ",
+"                                                  hP<<l^B+VlV+WBllllEVtta++Ml@vDRPuP6                                           ",
+"                                                  h< <JNNla+aJValBlVt1VVl+llRPR@RDD@yy                                          ",
+"                                              <ooh+o<ooJ^t+aVJttVJDJoataVV+OD@D@RP x <<                                         ",
+"                                             h+olC+a++at^CtC^CaBOlllJJVHJH5lMRRDM%DP<qy                                         ",
+"                                             6o+BM+a+fta1C1lHttCBVa1JH~,VH9VloPD%6xxoNh                                         ",
+"                                           o  hE+la++VatV@^VJMDMBttJt,`5JlJ@JolJOooE+o                                          ",
+"                                         <hKo<6BllEplVV+1H+H1tE+faH,JHlxN65@HaoE++laaVVo                                        ",
+"                                        <oEBta6taVaaoVJ1^Hl^H1faJ,HJ1JlCJ^lOaH~++aVlJJaK<                                       ",
+"                                       <EhEE++#paJafB1Ett7C117t+VlCCfz~5zHlVMJ^5ltMlKoKOxyx<                                    ",
+"                                       <6oa++pw1wVwfp+++V7V*IwtVVaCV-vHHz,1afallBKKM< K6 6 <                                    ",
+"                                       o+apafafa1aV_wat+^1fm71J1twHJH`@Hf#+aa+C,wOl1RBCV %Rh                                    ",
+"                                       Kapppp+VVpw##zf1f_zte7H%_1-Iz995VtaaattC17,w+lV1Viq%<                                    ",
+"                                     < CMat+pf+#fa-ww1ttwU7z{wHH,wV17J~V###^JwH^~1Vo6oat++o  hB                                 ",
+"                                    PC+CNEaO+af1t7,~#~HwwUz,,,~~J,~IH77H_@VJHVa,,,taOoof%H+C6BK6                                ",
+"                                     %J+EppppfCRt1X~~*J7wz,>t-1X,zIIDRVIHH@J#ftV1fta+iifC <  K6<q                               ",
+"                                  %W=/H1++ap3_V^Bw7;`,~5IHf9Izz1wII1P5q,^jw#C_1+,#aaafaENxRhqh<hKo                              ",
+"                                  CWJRRBppaf1tHwVaMNJJHw@^~*-zwoJ5CWOW7w*z7w1_w_1Vfaaaf+a6  h66hh                               ",
+"                                  ya+++E+p+1JK1at1aHJ%DuMMH~IH5Rx@ 6EEwXz*It_XH,fw~wffaju PxKqx`                                ",
+"                                 J{^pp#pppp#tapfXw~KJ%hq{J+15%I1HH6x6la3~Atap~^%q*z7MwaC qq<< %<                                ",
+"                                xVapa##ppapp-,w7~-,w,IlMC8w5~IRI@MRCEB11z8wpw~71,1Ct{Hw1ox   x6                                 ",
+"                                qw_ppp_Hfaf37-3~~,9>~z9>zCHH9H59U5rzw,)]--7%f]oJ,f{zYHfttp+Coh<                                 ",
+"                                 +_,7VK%1Ct31-w1^wf,,X-9SSwH=I%Juz-w#3Y,w99-!16^jC<]qD*7f+a+++Chxy                              ",
+"                                 61SH`R<@H1^wZ_838,H311w]Swv=PH5M~_w->]N&U^A>,3p7718-wwwJf1VV+1K%q                              ",
+"                                   tWZ8#zuz1t>]w7-I97w#f,JJwIwSKIt,S~SUI7d73w#~~S;S-ww,H~7+JVaVx6xh                             ",
+"                                   hK^+_HK_tV,X8_1YH]~-3-J,X~zI3DzI;9A;Ad>-X3d-fd;S~Iz>Ia1H@^CV6 %x                             ",
+"                                   6 PR3f#pa##pfzwf8-~-]~~~,Hz-SH;5rrU9A99>dz]>8H7fwfpf-#+CMllMq   R                            ",
+"                                      qxK8p#appwX*-X-W1IIr%Iz-Hdw~zIz5KAA K^x)~--]wdd>3-X,X,w7Rq< D%                            ",
+"                                       6<K1NWw8,-H~dw>d]r/Hj*S9->}IrIo q%N,>SS;)X~~Xw]]-~9~>wz`P%Pu%                            ",
+"                                      hPffat81>,*I~DzIIYv@H8-->-Sd9$$]]M*wS;dIrbI}dSd]d)~KD>~HHD%{vv                            ",
+"                                      Pe%NH>IKx8]U9u6]II9]d>3X>SA;;/k[`r9;;;9d;]99[r0^j   DS99MR`Dv{                            ",
+"                                  +oNCD@uRKP1*K^599zdd&dI9U>-/>9`]k[[/rIIb;AGrdUASrAq^eK M-]IGI%RD=  PD                         ",
+"                               qN+f3fI*Cq@xP%6P%<5Av{7&CqI4II'I]SS;;rU@`;8eW,*UI1-)1oYN <6%AdA]IH%`DxDP                         ",
+"                              C3ppppHjJYRJ%PPP`%%L4sFT%RI]rA5=);r;[;S-3]>)73WN1_bzz^ q  6&RI-t787+++a_%x                        ",
+"                   Kt<        %zp^33##1##f3XX1a5tvgFF`vL5,A};/38ddk`d)-!*g*m*>w]S8-1q9*o6Dj*1WKot*fa_#fx                        ",
+"                    MCq       << DCt##pp3w>)83zP1m{TF_t{*>Yk/$S9d]9[`r[dYm]f3#p#bS)]S9kzNh6R1fj>,qDh@Ivy                        ",
+"                     DMK      PKajZ,aZp3#)fZp3#p&]8]A1)w-1RLDm]]r;;r99XSr;df#f8))-&}5I^Ho hzHHdIz6y P@D                         ",
+"                    RKP,o<    %eWx^8,f##fX)X#pX-fz--]3-}{Grg9veg$[r`rr9[r]!nb}r9)SdH@9S9r% yKqID                                ",
+"                   6 5KHMiCN+N%1pf_tZ#_3_3ZX-3#wddzd])w~5;79k99VA]rr;;d/k;;}};rbdG%5u[J~0Aq   P 6                               ",
+"                   %hHH76C,~a)9w>~*__f*f-Z3!#3,~)HMMI8]zqyKY[vDr9->b]rg;G9]r[r}}-]IK %%2)S*    h%q                              ",
+"                    xP@rrN%yU[rrr;;9-Xh6]Z8>33,8-8)w#!-XtN1D(/Tgze/$k==[9>S>SI;[;r[[^MUIxH- h ^H*xh                             ",
+"                   K% yR   %;[9]rrIdI* 6^17H tMd9S,a>3&~ISUYv'FgA~`$`($k/;S99}5UPR%@[IK6%M1qKoHIq                               ",
+"                    D%      D@HoRzI76x  h    x8XS-,wS})8)]S)m.=eU`Ue4=/k;%``;I yy   DRHr0GtJxq%<h                               ",
+"                             %AtqjMH>w__aE%  yfZ8)->))dz,`;999Gd0*A4/b8Ikuq Dx      PPPHm]}Jk]Kx                                ",
+"                            hI%vNW<R73)!###3idS05;>]~-Sm>U;]~I}U}L=}.0b//%              `Igr/k%%                                ",
+"                            5;*xPKP)!U)X83ZX)XzxHd8I!)}]g;9>Xm$U&{`b'./U[R%               6%U;7                                 ",
+"                             hRiahq,J&gz03XdI&)3w0}!]3)}ddz)wU(.z4v3kXI*H6               qB<KMh <                               ",
+"                              6R,N   !2)W3->8d)3)*m-)d8bbb)b4/csFXm>m&>zH                q     x                                ",
+"                             q!K CPi+_3ap*YjwI0)dmGI>]mH;}bGYm(=(..1bA]~m%<@y <                                                 ",
+"                             KPK%z_p#p+3XtDH}!&z7z9]ddw.'zz4G{cFvv(U;.gbU`$k]b0)i                                               ",
+"                              D)~d*>!S3-Kxo%t1mvY'>mUm'ee'cQcsvscvvg4=4GHy`G]gn;Ki     h                                        ",
+"                              M%Kb@H%`TmZj)f__*`Fs'F*g0'4;AsTcFcQFs4Gmk]q%e C]}0;S;r;JMAz^qI%<                                  ",
+"                               yP$F`Dh WC%W3Z#3AY'ssYL'vTL`s'5scFcc4G[;M`u19;kr[;`}SG;b99d~zK9]x                                ",
+"                               iKH)4=)X8Y{gY3)-;*YdmsL.{A'T8!I4s'$U(%KH@gvjK%5K%k`vr}S}d!d-+-;;zh                               ",
+"                              qd88Ifu4!>gs`vI!90db8b4^Fumm]Z3#3'!((]VYg[G)ah<>J9.y`D%z7z-&*zHq@P9h                              ",
+"                            qIbS-3w3&TL>YZ*`emI)!!!b-#ZnZm{0Xg!sgs'U8UU]9XZ<qYKvUH@uRI]3!2J6    K<Ny                            ",
+"                          x5;IvdG}S)3pw&)3ZtXX!)3#!n0zb0};k>*sLccF'{8CH8#Z)_)!8!0Hz9NmmN)0>mw%h  J9>Kh                          ",
+"                    qhK  Pu9]9AIK{[[zZp]zS8>>##3-33bUU-d)0{;!*m'LTj3b)bn!20{)f87>]IXw_@MI7kH1zd@K}k{IKh                         ",
+"                    ^~~9r[/kjYUkre//r]ddz))83XZXZ-d9->SS]V-}8Z0m{sm>>&&I0wz&dYmge>_d,de45m`'eM1j94r%h                           ",
+"                     ~I;rr;9z[/k]k[md73,d}}IX)&n3nd!SU)]b8-rb!>S{45L0vgXn!!aw0X0!e.0w>;rGUR'/GIm]ArSM                           ",
+"                 qKh '$$=Jvvm(L4=g'4Y@>)9]])3#Z)z,9;;U;]m]}k$9G;m=4=~`QggInZZ2)!Z!gA]&00=GkG[4I7bIU/r9D                         ",
+"                 _pa30(FcvFcYv]ZbG==IHt,KMU7~83X!b8;Idmkm4//$$[[9;4F0)mTQQ.0)2!!X_Xn0&db)&0;[k;]h {9PPP                         ",
+"                 LmZ>>'>8emvww!04AI1>IUMdbt]d>S]!)Y3X_'FT*0mg('[GkGvXX#)Z04F'2)Y..bzH0m.'F=G$(=/H   y                           ",
+"                 x/&II3TT>*pZ8b0r0b>0d!&Y)d]d]MI)003!)p#&g/v'{Qc(===.=mu&2'(F.mv,0)>IGYe)UzGgQFkz]}                             ",
+"                 Kw#3&3Z#pw]#))gkGU&G&&&!8!nd7z7^GUvFvgY^#Deg'=4(gcsFc(4Fs:Qcs((mv'mb.d;b}YSG/cckS>C                            ",
+"                 R/o^t&#Z!Ge33SGrk[kG.{'4Um4s`K^yDDvFs5TF4QT((=GkF('`v$k.4:::v((4/sF/r[;Ib)X}bS09;dd)q                          ",
+"                 DF`5Y!!2mmb&rrkk0_44F4=:Lv ` %x yuFsGmd/0gQFc(=./QQQF[mg.4vYQQT`@9AU.$}r;r};]kG[9IrSSM                         ",
+"                  `ccs'mFmbSUk}0&}I``vQ:vqx `%@  xsQ:4=kgL:QQQ4('s(cg202G.dbG4v%5KhyRRUHU$$kUkePP=/kk[[@                        ",
+"                  DFsQe`w3Ukm[v'gvWhKoxL<<h%T:vx Ts::v:QLTQsQcTc(c=.&)>g20G.UUM {Hq  PohK%(4]>4PP yGb9=F`                       ",
+"                 hPPvg,>YA'4/>(FPhxKK-Nhh  vD:v  `vsTT::::::Tss`c(FF'emv]Lcgg(q 6     yH1%RCh5y    Rr%x^H                       ",
+"                  i,wd_ZsQQ'QcQTRoP h<<< 6vQ:Tvxqs`4mFvQQT:::QF4(vLTvPRL'4'sL4^        Kxy             yh                       ",
+"                 Rx1Xt*DvDILvY`KNP       6RF:QTsvTQF:'LQ:T:::QccmmmD%j{v'DK`44.zaK                                              ",
+"                 hP6N%Z#papafa_tNh    %xqvT@`::TQ:Qssgk(`JyQ:QQQQc4T%RYm<  oAm0G0G                                              ",
+"                  q   6jXN_a1>*WP      yxsPRv::v:::L0m40v4`B5QQccQTR`sQvu@.HM=Pq4G0K                                            ",
+"                       6PPqx^K<       %%`vR@T:::::Q'Fv9(/L0gv:QQQ::::::R  yqP%                                                  ",
+"                         6hh6        hR4{#XZ{`gdU&zww]I{{.'T:QcQQ:Q:Q'>%  q4          K  u/^y                                   ",
+"                                      PQUn))ppZ333w>>J-b`]mA-mcQQ:`vT.*N           oiR5Uh9zM                                    ",
+"                                   K1Z#&&)`2XZ3Gbbz;bb}zI0k;&UF(Qssv:%        y RzMB0UUgIC                                      ",
+"                                  Xp#XX)GtvYGGk/[}db0;GG]0G.'4[k$'Q:T        a0G.G&=/4Gb3>Cq                                    ",
+"                                 6t8f5A>TQ'm.kU4.))0;SrG([r[]'T($vLT`       %;0;;U>D`{9}}}bKh +<                                ",
+"                                  qqxyD`$I~-;[/kG}bbrk.gG;rG[k[=4csT`   h   @vvu`$;>dm`(v=G2tz!@y                               ",
+"                                       `[$kG[G$$gkGG;r[0Sk[$/v[IkA=4RD <h%{uKRT`{kr.GU)X)&Kk;d8Swo                              ",
+"                                       R/=[[==$$mG0}G!b.4[$[[=;==gI*[[/6x<Kx%kGr5D%IHbd}0Cyxx<CY/J                              ",
+"                                        @$[$[G===U[(c=====/==$$(4Qc$=Drh%y  uk='U$r5@H}}G`y]M%@zvku                             ",
+"                                    xD%M.Ur[[Umm}4$([=[=/'`===$$k[$$`R D@Kh@JC$gUyRyqP x%cT-82vk@@P                             ",
+"                                   <]]9d.[G'd0db`(====$==[=T(=ck=$$[(%Py  {;   x%GuhPx   {U&LA.F%                               ",
+"                                  ySb)}g}bbr00Gbm4cF(=$$=[/=(=c((F(==R(vxy P     R=RP@@y kr~8>_e`                               ",
+"                              6C*oPqP0Tvm44}v/(4'G./G;GGGr$F=k(QFm4dYmUgF%       x%   @5U/9rb/P                                 ",
+"                              yz7,Kh0mFTQTmU7c::sgg-mD44.9G(===(FH>vmm@)~X~H           %kD};rS1K                                ",
+"                               >*+)dmY!ZZ3)0bgF=.=bd{qqx D=}g/==480^AsD DKuy            x   hx[H                                ",
+"                              CK]tv8t3###))G==F4G0b7>MRIUgKRzmcc'9U8fLN                        yx                               ",
+"                               tBCi^#I]!)X!$.Um3-'4gMhC-MK%GKgQc(g$/>Zt,+                                                       ",
+"                              hCI h5^{&,0z&m}372g]30!h     `x'Qcs94s/H/,-%                                                      ",
+"                                +W<hqPG02b0I'40s(m&00W     yhcQc'.C%H  z~>y                                                     ",
+"                               PHH)K qxD9bbXX>%0YXG>b)      <F:c}mAdA Hq  q                                                     ",
+"                                  x     qk0&b3q<,b!,5%M      cQ(k`Dd& y                                                         ",
+"                                       8X))HC0   q]C         cc=I%6K]                                                           ",
+"                                      KyI^<  y     <         TQFI%hx@                                                           ",
+"                                                  C2^        `cc% yKq                                                           ",
+"                                                  <          `Qcv x                                                             ",
+"                                                             Rcc/                                                               ",
+"                                                             RccD                                                               ",
+"                                                             %ccP                                                               ",
+"                                                              ccR                                                               ",
+"                                                              cc`                                                               ",
+"                                                              Fc`                                                               ",
+"                                                              `F`                                                               ",
+"                                                              /F{                                                               ",
+"                                                              vc`                                                               ",
+"                                                              `c`                                                               ",
+"                                                              Fcv                                                               ",
+"                                                              FcQ                                                               ",
+"                                                              (cc                                                               ",
+"                                                              (cv                                                               ",
+"                                                              Fc`                                                               ",
+"                                                              Fc`                                                               ",
+"                                                              Fc`                                                               ",
+"                                                              FFv                                                               ",
+"                                                              (FF                                                               ",
+"                                                             6FFF                                                               "
+};
diff --git a/hacks/imsmap.c b/hacks/imsmap.c

index cb88c10a6cc6ea8bc0420b1418c81dd4d742f885..5db775d227af1a29138ba502c95b68b1e75c993d 100644 (file)
--- a/hacks/imsmap.c
+++ b/hacks/imsmap.c
@@ -16,6 +16,7 @@
  
  #include <stdio.h>
  #include <math.h>
  
  #include <stdio.h>
  #include <math.h>
+#include <time.h>
  #include <sys/time.h> /* for gettimeofday() */
  
  #include <X11/Xlib.h>
  #include <sys/time.h> /* for gettimeofday() */
  
  #include <X11/Xlib.h>
diff --git a/hacks/interference.c b/hacks/interference.c

index 7f66b01b0c99b01bafbce687878b79eb3cabd789..fefaf9d9de1ceefce55751bf510a8ffce9466fca 100644 (file)
--- a/hacks/interference.c
+++ b/hacks/interference.c
@@ -69,6 +69,8 @@
  char *progclass="Interference";
  
  char *defaults [] = {
  char *progclass="Interference";
  
  char *defaults [] = {
+  ".background:  black",
+  ".foreground:  white",
    "*count:       3",     /* number of waves */
    "*gridsize:    4",     /* pixel size, smaller values for better resolution */
    "*ncolors:     128",   /* number of colours used */
    "*count:       3",     /* number of waves */
    "*gridsize:    4",     /* pixel size, smaller values for better resolution */
    "*ncolors:     128",   /* number of colours used */
diff --git a/hacks/juggle.c b/hacks/juggle.c

new file mode 100644 (file)

index 0000000..758d257
--- /dev/null
+++ b/hacks/juggle.c
@@ -0,0 +1,1549 @@
+/* -*- Mode: C; tab-width: 4 -*- */
+/* juggle */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)juggle.c     5.00 2000/11/01 xlockmore";
+
+#endif
+
+/*-
+ * Copyright (c) 1996 by Tim Auckland <Tim.Auckland@Procket.com>
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * Revision History
+ * 01-Nov-2000: Allocation checks
+ * 1996: Written
+ */
+
+/*-
+ * TODO
+ * Fix timing to run at approx same speed on all machines.
+ * Store shorter pattern and refill when required.
+ * Use -cycles and -count in a rational manner.
+ * Merge pattern selector with pattern generator.
+ * Add clubs
+ * Clap when all the balls are in the air
+ */
+
+
+/*-
+Notes on Adam Chalcraft Juggling Notation (used by permission)
+a-> Adam's notation  s-> Site swap (Cambridge) notation
+
+To define a map from a-notation to s-notation
+("site-swap"), both of which look like doubly infinite sequences of natural
+numbers. In s-notation, there is a restriction on what is allowed, namely
+for the sequence s_n, the associated function f(n)=n+s_n must be a
+bijection. In a-notation, there is no restriction.
+
+To go from a-notation to s-notation, you start by mapping each a_n to a
+permutation of N, the natural numbers.
+
+0 -> the identity
+1 -> (10) [i.e. f(1)=0, f(0)=1]
+2 -> (210) [i.e. f(2)=1, f(1)=0, f(0)=2]
+3 -> (3210) [i.e. f(3)=2, f(2)=1, f(1)=0, f(0)=3]
+etc.
+
+Then for each n, you look at how long 0 takes to get back to 0 again and
+you call this t_n. If a_n=0, for example, then since the identity leaves 0
+alone, it gets back to 0 in 1 step, so t_n=1. If a_n=1, then f(0)=1. Now any
+further a_n=0 leave 1 alone, but the next a_n>0 sends 1 back to 0. Hence t_n
+is 2 + the number of 0's following the 1. Finally, set s_n = t_n - 1.
+
+To give some examples, it helps to have a notation for cyclic sequences. By
+(123), for example, I mean ...123123123123... . Now under the a-notation ->
+s-notation mapping we have some familiar examples:
+
+(0)->(0), (1)->(1), (2)->(2) etc.
+(21)->(31), (31)->(51), (41)->(71) etc.
+(10)->(20), (20)->(40), (30)->(60) etc.
+(331)->(441), (312)->(612), (303)->(504), (321)->(531)
+(43)->(53), (434)->(534), (433)->(633)
+(552)->(672)
+
+In general, the number of balls is the *average* of the s-notation, and the
+*maximum* of the a-notation. Another theorem is that the minimum values in
+the a-notation and the s-notation and equal, and preserved in the same
+positions.
+
+The usefulness of a-notation is the fact that there are no restrictions on
+what is allowed. This makes random juggle generation much easier. It also
+makes enumeration very easy. Another handy feature is computing changes.
+Suppose you can do (5) and want a neat change up to (771) in s-notation
+[Mike Day actually needed this example!]. Write them both in a-notation,
+which gives (5) and (551). Now concatenate them (in general, there may be
+more than one way to do this, but not in this example), to get
+...55555555551551551551551...
+Now convert back to s-notation, to get
+...55555566771771771771771...
+So the answer is to do two 6 throws and then go straight into (771).
+Coming back down of course,
+...5515515515515515555555555...
+converts to
+...7717717717716615555555555...
+so the answer is to do a single 661 and then drop straight down to (5).
+
+[The number of balls in the generated pattern occasionally changes.  In
+ order to decrease the number of balls I had to introduce a new symbol
+ into the Adam notation, [*] which means 'lose the current ball'.]
+*/
+
+#define STANDALONE
+#ifdef STANDALONE
+#define MODE_juggle
+#define PROGCLASS "Juggle"
+#define HACK_INIT init_juggle
+#define HACK_DRAW draw_juggle
+#define juggle_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+"*count: 150 \n" \
+"*cycles: 30 \n" \
+"*ncolors: 32 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_juggle
+
+#define DEF_PATTERN "." /* All patterns */
+#define DEF_TRAIL "0" /* No trace */
+#ifdef UNI
+#define DEF_UNI "FALSE" /* No unicycle */ /* Not implemented yet */
+#endif
+#define DEF_SOLID "FALSE" /* Not solid */
+
+static char *pattern;
+static int trail;
+#ifdef UNI
+static Bool uni;
+#endif
+static Bool solid;
+
+static XrmOptionDescRec opts[] =
+{
+  {(char* ) "-pattern", (char *) ".juggle.pattern",
+   XrmoptionSepArg, (caddr_t) NULL},
+  {(char* ) "-trail", (char *) ".juggle.trail",
+   XrmoptionSepArg, (caddr_t) NULL},
+#ifdef UNI
+  {(char *) "-uni", (char *) ".juggle.uni", XrmoptionNoArg, (caddr_t) "on"},
+  {(char *) "+uni", (char *) ".juggle.uni", XrmoptionNoArg, (caddr_t) "off"},
+#endif
+  {(char *) "-solid", (char *) ".juggle.solid", XrmoptionNoArg, (caddr_t) "on"},
+  {(char *) "+solid", (char *) ".juggle.solid", XrmoptionNoArg, (caddr_t) "off"}
+};
+static argtype vars[] =
+{
+  {(caddr_t *) &pattern, (char *) "pattern",
+   (char *) "Pattern", (char *) DEF_PATTERN, t_String},
+  {(caddr_t *) &trail, (char *) "trail",
+   (char *) "Trail", (char *) DEF_TRAIL, t_Int},
+#ifdef UNI
+  {(caddr_t *) &uni, (char *) "uni",
+   (char *) "Uni", (char *) DEF_UNI, t_Bool},
+#endif
+  {(caddr_t *) &solid, (char *) "solid",
+   (char *) "Solid", (char *) DEF_SOLID, t_Bool}
+};
+static OptionStruct desc[] =
+{
+  {(char *) "-pattern string", (char *) "Cambridge Juggling Pattern"},
+  {(char *) "-trail num", (char *) "Trace Juggling Patterns"},
+#ifdef UNI
+  {(char *) "-/+uni", (char *) "Unicycle"},
+#endif
+  {(char *) "-/+solid", (char *) "solid color (else its a 4 panel look (half white))"}
+};
+
+ModeSpecOpt juggle_opts =
+{sizeof opts / sizeof opts[0], opts,
+ sizeof vars / sizeof vars[0], vars, desc};
+
+#ifdef USE_MODULES
+ModStruct   juggle_description = {
+       "juggle", "init_juggle", "draw_juggle", "release_juggle",
+       "draw_juggle", "init_juggle", (char *) NULL, &juggle_opts,
+       10000, 150, 30, 1, 64, 1.0, "",
+       "Shows a Juggler, juggling", 0, NULL
+};
+
+#endif
+
+#ifdef USE_XVMSUTILS
+#include <X11/unix_time.h>
+#endif
+#include <time.h>
+#if HAVE_SYS_TIME_H
+#include <sys/time.h>
+#else
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#endif
+
+/* Figure */
+#define ARMLENGTH ((int) (40.0 * sp->scale))
+#define ARMWIDTH ((int) (8.0 * sqrt(sp->scale)))
+#define POSE ((int) (10.0 * sp->scale))
+#define SX ((int) (25.0 * sp->scale))
+#define SZ ((int) (25.0 * sp->scale))
+#define SY ((int) (25.0 * sp->scale))
+#define HIPY ((int) (85.0 * sp->scale))
+#define RHIPX ((int) (-15.0 * sp->scale))
+#define LHIPX ((int) (15.0 * sp->scale))
+#define RFX ((int) (-25.0 * sp->scale))
+#define LFX ((int) (25.0 * sp->scale))
+#define FY ((int) (155.0 * sp->scale))
+#define WSTY ((int) (65.0 * sp->scale))
+#define NEY ((int) (15.0 * sp->scale))
+#define HED ((int) (35.0 * sp->scale))
+#define BALLRADIUS ARMWIDTH
+#define FIGURE1 7
+#define FIGURE2 3
+#define TRACE_LENGTH 50
+#define SPIN_DEGREES 750  /* Average spinning between a throw and the next catch */
+
+/* macros */
+
+#ifndef XtNumber
+#define XtNumber(arr)   ((unsigned int) (sizeof(arr) / sizeof(arr[0])))
+#endif
+
+#define GRAVITY(h, t) 4*(double)(h)/((t)*(t))
+
+#define THROW_CATCH_INTERVAL (sp->count)
+#define THROW_NULL_INTERVAL  (sp->count * 0.5)
+#define CATCH_THROW_INTERVAL (sp->count * 0.2)
+#define COR 0.8  /* coeff of restitution of balls (1 = perfect bounce) */
+
+
+/* typedefs */
+
+typedef enum {HEIGHT, ADAM} Notation;
+typedef enum {Empty, Full, Ball} Throwable;
+typedef enum {LEFT, RIGHT} Hand;
+typedef enum {THROW, CATCH} Action; /* DROP is not an option */
+typedef enum {ATCH, THRATCH, ACTION, LINKEDACTION, PTHRATCH, BPREDICTOR,
+       PREDICTOR} TrajectoryStatus;
+
+typedef struct trajectory *TrajectoryPtr;
+
+typedef struct {double a, b, c, d; } Spline;
+
+typedef struct trajectory {
+  TrajectoryPtr prev, next;  /* for building list */
+  TrajectoryStatus status;
+
+  /* Throw */
+  char posn;
+  int height;
+  int adam;
+
+  /* Action */
+  Hand hand;
+  Action action;
+
+  /* LinkedAction */
+  int color;
+  int spin, divisions;
+  double degree_offset;
+  TrajectoryPtr balllink;
+  TrajectoryPtr handlink;
+
+  /* PThratch */
+
+  double dx; /* initial velocity */
+  double dy;
+
+  /* Predictor */
+  Throwable type;
+  int start, finish;
+  Spline xp, yp;
+  int x, y; /* current position */
+} Trajectory;
+
+/* structs */
+
+typedef struct {
+  int         width;
+  int         height;
+  double      scale;
+  int         complexity;
+  int         cx;
+  int         cy;
+  double      Gr;
+  int         pattern;
+  Trajectory  *head;
+  XPoint   figure_path[FIGURE1];
+  XSegment figure_segs[FIGURE2];
+  XPoint      arm[2][3];
+  XPoint      *trace;
+  int         traceindex;
+  int         count;
+  time_t      begintime; /* seconds */
+  int         time; /* millisecond timer */
+  Bool        solid, uni;      
+} jugglestruct;
+
+static jugglestruct *juggles = (jugglestruct *) NULL;
+
+typedef struct {
+  char * pattern;
+  char * name;
+} patternstruct;
+
+#define MINBALLS 2
+#define MAXBALLS 7
+
+typedef struct {
+  int start;
+  int number;
+} PatternIndex;
+
+static PatternIndex* patternindex = (PatternIndex *) NULL;
+
+/* List of popular patterns, in any order */
+static patternstruct portfolio[] = {
+  {(char *) "[+2 1]", (char *) "+3 1, Typical 2 ball juggler"},
+  {(char *) "[2 0]", (char *) "4 0, 2 balls 1 hand"},
+  {(char *) "[2 0 1]", (char *) "5 0 1"},
+  {(char *) "[+2 0 +2 0 0]", (char *) "+5 0 +5 0 0"},
+  {(char *) "[3]", (char *) "3, cascade"},
+  {(char *) "[+3]", (char *) "+3, reverse cascade"},
+  {(char *) "[=3]", (char *) "=3, cascade under arm"},
+  {(char *) "[&3]", (char *) "&3, cascade catching under arm"},
+  {(char *) "[_3]", (char *) "_3, bouncing cascade"},
+  {(char *) "[+3 x3 =3]", (char *) "+3 x3 =3, Mill's mess"},
+  {(char *) "[3 2 1]", (char *) "5 3 1"},
+  {(char *) "[3 3 1]", (char *) "4 4 1"},
+  {(char *) "[3 1 2]", (char *) "6 1 2, See-saw"},
+  {(char *) "[=3 3 1 2]", (char *) "=4 5 1 2"},
+  {(char *) "[=3 2 2 3 1 2]", (char *) "=6 2 2 5 1 2, =4 5 1 2 stretched"},
+  {(char *) "[+3 3 1 3]", (char *) "+4 4 1 3, anemic shower box"},
+  {(char *) "[3 3 1]", (char *) "4 4 1"},
+  {(char *) "[+3 2 3]", (char *) "+4 2 3"},
+  {(char *) "[+3 1]", (char *) "+5 1, 3 shower"},
+  {(char *) "[_3 1]", (char *) "_5 1, bouncing 3 shower"},
+  {(char *) "[3 0 3 0 3]", (char *) "5 0 5 0 5, shake 3 out of 5"},
+  {(char *) "[3 3 3 0 0]", (char *) "5 5 5 0 0, flash 3 out of 5"},
+  {(char *) "[3 3 0]", (char *) "4 5 0, complete waste of a 5 ball juggler"},
+  {(char *) "[3 3 3 0 0 0 0]", (char *) "7 7 7 0 0 0 0, 3 flash"},
+  {(char *) "[+3 0 +3 0 +3 0 0]", (char *) "+7 0 +7 0 +7 0 0"},
+  {(char *) "[4]", (char *) "4, 4 cascade"},
+  {(char *) "[+4 3]", (char *) "+5 3, 4 ball half shower"},
+  {(char *) "[4 4 2]", (char *) "5 5 2"},
+  {(char *) "[+4 4 4 +4]", (char *) "+4 4 4 +4, 4 columns"},
+  {(char *) "[4 3 +4]", (char *) "5 3 +4"},
+  {(char *) "[+4 1]", (char *) "+7 1, 4 shower"},
+  {(char *) "[4 4 4 4 0]", (char *) "5 5 5 5 0, learning 5"},
+  {(char *) "[5]", (char *) "5, 5 cascade"},
+  {(char *) "[_5 _5 _5 _5 _5 5 5 5 5 5]", (char *) "_5 _5 _5 _5 _5 5 5 5 5 5, jump rope"},
+  {(char *) "[+5 x5 =5]", (char *) "+5 x5 =5, Mill's mess for 5"},
+  {(char *) "[6]", (char *) "6, 6 cascade"},
+  {(char *) "[7]", (char *) "7, 7 cascade"},
+  {(char *) "[_7]", (char *) "_7, bouncing 7 cascade"},
+};
+
+/* Private Functions */
+
+/* list management */
+
+/* t receives trajectory to be created.  ot must point to an existing
+   trajectory or be identical to t to start a new list. */
+#define INSERT_AFTER_TOP(t, ot)                                        \
+  if ((t = (Trajectory *)calloc(1, sizeof(Trajectory))) == NULL) \
+    {free_juggle(sp); return;}                                 \
+  (t)->next = (ot)->next;                                      \
+  (t)->prev = (ot);                                            \
+  (ot)->next = (t);                                            \
+  (t)->next->prev = (t)
+#define INSERT_AFTER(t, ot)                                    \
+  if ((t = (Trajectory *)calloc(1, sizeof(Trajectory))) == NULL) \
+    {free_juggle(sp); return False;}                           \
+  (t)->next = (ot)->next;                                      \
+  (t)->prev = (ot);                                            \
+  (ot)->next = (t);                                            \
+  (t)->next->prev = (t)
+
+
+/* t must point to an existing trajectory.  t must not be an
+   expression ending ->next or ->prev */
+#define REMOVE(t)                                              \
+  (t)->next->prev = (t)->prev;                                 \
+  (t)->prev->next = (t)->next;                                 \
+  (void) free((void *) t)
+
+static void
+free_pattern(jugglestruct *sp) {
+       if (sp->head != NULL) {
+               while (sp->head->next != sp->head) {
+                       Trajectory *t = sp->head->next;
+
+                       REMOVE(t); /* don't eliminate t */
+               }
+               (void) free((void *) sp->head);
+               sp->head = (Trajectory *) NULL;
+       }
+}
+
+static void
+free_juggle(jugglestruct *sp)
+{
+       if (sp->trace != NULL) {
+               (void) free((void *) sp->trace);
+               sp->trace = (XPoint *) NULL;
+       }
+       free_pattern(sp);
+}
+
+static Bool
+add_throw(jugglestruct *sp, char type, int h, Notation n)
+{
+  Trajectory *t;
+
+  INSERT_AFTER(t, sp->head->prev);
+  t->posn = type;
+  if (n == ADAM) {
+       t->adam = h;
+       t->status = ATCH;
+  } else {
+       t->height = h;
+       t->status = THRATCH;
+  }
+  return True;
+}
+
+/* add a Thratch to the performance */
+static Bool
+program(ModeInfo *mi, const char *patn, int repeat)
+{
+  jugglestruct *sp = &juggles[MI_SCREEN(mi)];
+  const char *p;
+  int h, i, seen;
+  Notation notation;
+  char type;
+
+  if (MI_IS_VERBOSE(mi)) {
+       (void) fprintf(stderr, "%s x %d\n", patn, repeat);
+  }
+
+  for(i=0; i < repeat; i++) {
+       type=' ';
+       h = 0;
+       seen = 0;
+       notation = HEIGHT;
+       for(p=patn; *p; p++) {
+               if (*p >= '0' && *p <='9') {
+               seen = 1;
+               h = 10*h + (*p - '0');
+         } else {
+               Notation nn = notation;
+               switch (*p) {
+               case '[':            /* begin Adam notation */
+                 notation = ADAM;
+                 break;
+               case '-':            /* Inside throw */
+               case '+':            /* Outside throw */
+               case '=':            /* Cross throw */
+               case '&':            /* Cross catch */
+               case 'x':            /* Cross throw and catch */
+               case '_':            /* Bounce */
+                 type = *p;
+                 break;
+               case '*':            /* Lose ball */
+                 seen = 1;
+                 h = -1;
+                 /* fall through */
+               case ']':             /* end Adam notation */
+                 nn = HEIGHT;
+                 /* fall through */
+               case ' ':
+                 if (seen) {
+                       if (!add_throw(sp, type, h, notation))
+                               return False;
+                       type=' ';
+                       h = 0;
+                       seen = 0;
+                 }
+                 notation = nn;
+                 break;
+               default:
+                 (void) fprintf(stderr, "Unexpected pattern instruction: '%s'\n", p);
+                 break;
+               }
+         }
+       }
+       if (seen) {
+         if (!add_throw(sp, type, h, notation))
+               return False;
+       }
+  }
+       return True;
+}
+
+/*
+ ~~~~\~~~~~\~~~
+ \\~\\~\~\\\~~~
+ \\~\\\\~\\\~\~
+ \\\\\\\\\\\~\\
+
+[33134231334021]
+
+4 4 1 3 12 2 4 1 4 4 13 0 3 1
+
+*/
+#define BOUNCEOVER 10
+
+static void
+adam(jugglestruct *sp)
+{
+  Trajectory *t, *p;
+  for(t = sp->head->next; t != sp->head; t = t->next) {
+       if (t->status == ATCH) {
+         int a = t->adam;
+         t->height = 0;
+         for(p = t->next; a > 0 && p != sp->head; p = p->next) {
+               if (p->status != ATCH || p->adam < 0 || p->adam>= a) {
+                 a--;
+               }
+               t->height++;
+         }
+         if(t->height > BOUNCEOVER && t->posn == ' '){
+               t->posn = '_'; /* high defaults can be bounced */
+         }
+         t->status = THRATCH;
+#if 0
+         (void) fprintf(stderr, "%d\t%d\n", t->adam, t->height);
+#endif
+       }
+  }
+}
+
+/* Split Thratch notation into explicit throws and catches.
+   Usually Catch follows Throw in same hand, but take care of special
+   cases. */
+
+/* ..n1.. -> .. LTn RT1 LC RC .. */
+/* ..nm.. -> .. LTn LC RTm RC .. */
+
+static Bool
+part(jugglestruct *sp)
+{
+  Trajectory *t, *nt, *p;
+  Hand hand = (LRAND() & 1) ? RIGHT : LEFT;
+
+  for (t = sp->head->next; t != sp->head; t = t->next) {
+       if (t->status > THRATCH) {
+         hand = t->hand;
+       } else if (t->status == THRATCH) {
+         char posn = '=';
+
+         /* plausibility check */
+         if (t->height <= 2 && t->posn == '_') {
+               t->posn = ' '; /* no short bounces */
+         }
+         if (t->height <= 1 && (t->posn == '=' || t->posn == '&')) {
+               t->posn = ' '; /* 1's need close catches */
+         }
+
+         switch (t->posn) {
+                 /*         throw          catch    */
+         case ' ': /* fall through */
+         case '-': posn = '-'; t->posn = '+'; break;
+         case '+': posn = '+'; t->posn = '-'; break;
+         case '=': posn = '='; t->posn = '+'; break;
+         case '&': posn = '+'; t->posn = '='; break;
+         case 'x': posn = '='; t->posn = '='; break;
+         case '_': posn = '_'; t->posn = '-'; break;
+         default: (void) fprintf(stderr, "unexpected posn %c\n", t->posn); break;
+         }
+         hand = (Hand) ((hand + 1) % 2);
+         t->status = ACTION;
+         t->hand = hand;
+         p = t->prev;
+
+         if (t->height == 1) {
+               p = p->prev; /* early throw */
+         }
+         t->action = CATCH;
+         INSERT_AFTER(nt, p);
+         nt->status = ACTION;
+         nt->action = THROW;
+         nt->height = t->height;
+         nt->hand = hand;
+         nt->posn = posn;
+       }
+  }
+  return True;
+}
+
+/* Connnect up throws and catches to figure out which ball goes where.
+   Do the same with the juggler's hands. */
+
+static void
+lob(ModeInfo *mi)
+{
+  jugglestruct *sp = &juggles[MI_SCREEN(mi)];
+  Trajectory *t, *p;
+  int h;
+  for (t = sp->head->next; t != sp->head; t = t->next) {
+       if (t->status == ACTION) {
+#if 0
+         (void) fprintf(stderr, (t->action == CATCH) ? "A %c%c%c\n" : "A %c%c%c%d\n",
+                         t->posn,
+                         t->hand ? 'R' : 'L',
+                         (t->action == THROW) ? 'T' : (t->action == CATCH ? 'C' : 'N'),
+                         t->height);
+#endif
+         if (t->action == THROW) {
+               if (t->type == Empty) {
+                 if (MI_NPIXELS(mi) > 2) {
+                       t->color = 1 + NRAND(MI_NPIXELS(mi) - 2);
+                 }
+                 t->spin = NRAND(5) - 2;
+                 t->degree_offset = NRAND(360);
+                 t->divisions = 2 * ((LRAND() & 1) + 1);
+               }
+
+               /* search forward for next hand catch */
+               for (p = t->next; t->handlink == NULL && p != sp->head; p = p->next) {
+                 if (p->action == CATCH) {
+                       if (t->handlink == NULL && p->hand == t->hand) {
+                         t->handlink = p; /* next catch in this hand */
+                       }
+                 }
+               }
+
+               if (t->height > 0) {
+                 h = t->height - 1;
+
+                 /* search forward for next ball catch */
+                 for (p = t->next; t->balllink == NULL&& p != sp->head; p = p->next) {
+                       if (p->action == CATCH) {
+                         if (t->balllink == NULL && --h < 1) { /* caught */
+#if 0
+                               if (p->type == Full) {
+                                 /* dropped */
+                               }
+#endif
+                               t->balllink = p; /* complete trajectory */
+                               p->type = Full;
+                               p->color = t->color; /* accept catch */
+                               p->spin = t->spin;
+                               p->degree_offset = t->degree_offset;
+                               p->divisions = t->divisions;
+                         }
+                       }
+                 }
+               }
+               t->type = Empty; /* thrown */
+         } else if (t->action == CATCH) {
+               /* search forward for next throw from this hand */
+               for (p = t->next; t->handlink == NULL && p != sp->head; p = p->next) {
+                 if (p->action == THROW && p->hand == t->hand) {
+                       p->type = t->type; /* pass ball */
+                       p->color = t->color; /* pass color */
+                       p->spin = NRAND(5) - 2;
+                       p->degree_offset = NRAND(360);
+                       p->divisions = 2 * ((LRAND() & 1) + 1);
+                       t->handlink = p;
+                 }
+               }
+         }
+         t->status = LINKEDACTION;
+       }
+  }
+}
+
+/* Convert hand position symbols into actual time/space coordinates */
+static void
+positions(jugglestruct *sp)
+{
+  Trajectory *t;
+  int now = 0;
+  for (t = sp->head->next; t != sp->head; t = t->next) {
+       if (t->status == PTHRATCH) {
+         now = t->start;
+       } else if (t->status == LINKEDACTION) {
+         int xo = 0, yo;
+
+         /* time */
+         if (t->action == CATCH) {
+               if (t->type == Empty) {
+                 now += (int) THROW_NULL_INTERVAL; /* failed catch is short */
+               } else {
+                 now += THROW_CATCH_INTERVAL;     /* successful catch */
+               }
+         } else {
+               now += (int) CATCH_THROW_INTERVAL;  /* throws are very short */
+         }
+         t->start = now;
+
+         /* space */
+         yo = ARMLENGTH;
+         switch (t->posn) {
+         case '-': xo = SX - POSE; break;
+         case '_':
+         case '+': xo = SX + POSE; break;
+         case '=': xo = - SX - POSE; yo += 2 * POSE; break;
+         default: (void) fprintf(stderr, "unexpected posn %c\n", t->posn); break;
+         }
+         t->x = sp->cx + ((t->hand == LEFT) ? xo : -xo);
+         t->y = sp->cy + yo;
+
+         t->status = PTHRATCH;
+       }
+  }
+}
+
+
+/* Private physics functions */
+
+static Spline
+makeSpline(int x0, double dx0, int t0, int x1, double dx1, int t1)
+{
+  Spline s;
+  double a, b, c, d;
+  int x10;
+  double t10;
+
+  x10 = x1 - x0;
+  t10 = t1 - t0;
+  a = ((dx0 + dx1)*t10 - 2*x10) / (t10*t10*t10);
+  b = (3*x10 - (2*dx0 + dx1)*t10) / (t10*t10);
+  c = dx0;
+  d = x0;
+  s.a = a;
+  s.b = -3*a*t0 + b;
+  s.c = (3*a*t0 - 2*b)*t0 + c;
+  s.d = ((-a*t0 + b)*t0 - c)*t0 +d;
+  return s;
+}
+
+static double
+makeSplinePair(Spline *s1, Spline *s2,
+                          int x0, double dx0, int t0,
+                          int x1, int t1,
+                          int x2, double dx2, int t2)
+{
+  int x10, x21;
+  double t21, t10, t20, dx1;
+  x10 = x1 - x0;
+  x21 = x2 - x1;
+  t21 = t2 - t1;
+  t10 = t1 - t0;
+  t20 = t2 - t0;
+  dx1 = (3*x10*t21*t21 + 3*x21*t10*t10 + 3*dx0*t10*t21*t21
+                - dx2*t10*t10*t21 - 4*dx0*t10*t21*t21) /
+       (2*t10*t21*t20);
+  *s1 = makeSpline(x0, dx0, t0, x1, dx1, t1);
+  *s2 = makeSpline(x1, dx1, t1, x2, dx2, t2);
+  return dx1;
+}
+
+/* Turn abstract timings into physically appropriate ball trajectories. */
+static Bool
+projectile(jugglestruct *sp)
+{
+  Trajectory *t, *n;
+  for (t = sp->head->next; t != sp->head; t = t->next) {
+       if (t->status != PTHRATCH) {
+         continue;
+       }
+       if (t->action == THROW) {
+         if (t->balllink != NULL) {
+               if (t->posn == '_') { /* Bounce once */
+                 double tc, y0, yf, yc, tb, e, i;
+
+                 tc = t->balllink->start - t->start;
+
+                 yf = sp->cy + FY;
+                 y0 = t->y;
+                 yc = t->balllink->y;
+                 e = 1; /* permissible error in yc */
+
+                 /*
+                        tb = time to bounce
+                        yt = height at catch time after one bounce
+                        one or three roots according to timing
+                        find one by interval bisection
+                 */
+                 tb = tc;
+                 for(i = tc / 2; i > 0; i/=2){
+                       double dy, dt, yt;
+                       if(tb == 0){
+                         (void) fprintf(stderr, "div by zero!\n");
+                         break;
+                       }
+                       dy = (yf - y0)/tb + 0.5*sp->Gr*tb;
+                       dt = tc - tb;
+                       yt = -COR*dy*dt + 0.5*sp->Gr*dt*dt + yf;
+                       if(yt > yc + e){
+                         tb-=i;
+                       }else if(yt < yc - e){
+                         tb+=i;
+                       }else{
+                         break;
+                       }
+                 }
+
+                 {
+                       double t0, dy;
+
+                       t->dx = (t->balllink->x - t->x) / tc;
+
+                       /* ball follows parabola down */
+                       INSERT_AFTER(n, t->prev);
+                       n->start = t->start;
+                       n->finish = (int) (t->start + tb);
+                       n->type = Ball;
+                       n->color = t->color;
+                       n->spin = t->spin;
+                       n->degree_offset = t->degree_offset;
+                       n->divisions = t->divisions;
+                       n->status = PREDICTOR;
+
+                       t->dy = (yf - y0)/tb - 0.5*sp->Gr*tb;
+                       t0 = n->start;
+                       /* Represent parabola as a degenerate spline -
+                          linear in x, quadratic in y */
+                       n->xp.a = 0;
+                       n->xp.b = 0;
+                       n->xp.c = t->dx;
+                       n->xp.d = -t->dx*t0 + t->x;
+                       n->yp.a = 0;
+                       n->yp.b = sp->Gr/2;
+                       n->yp.c = -sp->Gr*t0 + t->dy;
+                       n->yp.d = sp->Gr/2*t0*t0 - t->dy*t0 + t->y;
+
+
+                       /* ball follows parabola up */
+                       INSERT_AFTER(n, t->prev);
+                       n->start = (int) (t0 + tb);
+                       n->finish = (int) (t0 + tc);
+                       n->type = Ball;
+                       n->color = t->color;
+                       n->spin = t->spin;
+                       n->degree_offset = t->degree_offset;
+                       n->divisions = t->divisions;
+                       n->status = PREDICTOR;
+
+                       n->xp.a = 0;
+                       n->xp.b = 0;
+                       n->xp.c = t->dx;
+                       n->xp.d = -t->dx*t0 + t->x;
+
+                       dy = (yf - y0)/tb + 0.5*sp->Gr*tb;
+                       t0 = n->start;
+                       /* Represent parabola as a degenerate spline -
+                          linear in x, quadratic in y */
+                       n->yp.a = 0;
+                       n->yp.b = sp->Gr/2;
+                       n->yp.c = -sp->Gr*t0 - COR*dy;
+                       n->yp.d = sp->Gr/2*t0*t0 + COR*dy*t0 + yf;
+                 }
+
+                 t->status = BPREDICTOR;
+
+               } else {
+                 double t0, dt;
+
+                 /* ball follows parabola */
+                 INSERT_AFTER(n, t->prev);
+                 n->start = t->start;
+                 n->finish = t->balllink->start;
+                 n->type = Ball;
+                 n->color = t->color;
+                 n->spin = t->spin;
+                 n->degree_offset = t->degree_offset;
+                 n->divisions = t->divisions;
+                 n->status = PREDICTOR;
+
+                 t0 = n->start;
+                 dt = t->balllink->start - t->start;
+                 t->dx = (t->balllink->x - t->x) / dt;
+                 t->dy = (t->balllink->y - t->y) / dt - sp->Gr/2 * dt;
+
+                 /* Represent parabola as a degenerate spline -
+                        linear in x, quadratic in y */
+                 n->xp.a = 0;
+                 n->xp.b = 0;
+                 n->xp.c = t->dx;
+                 n->xp.d = -t->dx*t0 + t->x;
+                 n->yp.a = 0;
+                 n->yp.b = sp->Gr/2;
+                 n->yp.c = -sp->Gr*t0 + t->dy;
+                 n->yp.d = sp->Gr/2*t0*t0 - t->dy*t0 + t->y;
+
+
+                 t->status = BPREDICTOR;
+               }
+         } else { /* Zero Throw */
+               t->status = BPREDICTOR;
+         }
+       }
+  }
+  return True;
+}
+
+/* Turn abstract hand motions into cubic splines. */
+static void
+hands(jugglestruct *sp)
+{
+  Trajectory *t, *u, *v;
+  for (t = sp->head->next; t != sp->head; t = t->next) {
+       /* no throw => no velocity */
+       if (t->status != BPREDICTOR) {
+         continue;
+       }
+
+       u = t->handlink;
+       if (u == NULL) { /* no next catch */
+         continue;
+       }
+       v = u->handlink;
+       if (v == NULL) { /* no next throw */
+         continue;
+       }
+
+       /* double spline takes hand from throw, thru catch, to
+          next throw */
+
+       t->finish = u->start;
+       t->status = PREDICTOR;
+
+       u->finish = v->start;
+       u->status = PREDICTOR;
+
+       (void) makeSplinePair(&t->xp, &u->xp,
+                                                 t->x, t->dx, t->start,
+                                                 u->x, u->start,
+                                                 v->x, v->dx, v->start);
+       (void) makeSplinePair(&t->yp, &u->yp,
+                                                 t->y, t->dy, t->start,
+                                                 u->y, u->start,
+                                                 v->y, v->dy, v->start);
+
+       t->status = PREDICTOR;
+  }
+}
+
+/* Given target x, y find_elbow puts hand at target if possible,
+ * otherwise makes hand point to the target */
+static void
+find_elbow(jugglestruct *sp, XPoint *h, XPoint *e, int x, int y, int z)
+{
+  double r, h2, t;
+
+  h2 = x*x + y*y + z*z;
+  if (h2 > 4*ARMLENGTH*ARMLENGTH) {
+       t = ARMLENGTH/sqrt(h2);
+       e->x = (short) (t*x);
+       e->y = (short) (t*y);
+       h->x = 2 * e->x;
+       h->y = 2 * e->y;
+  } else {
+       r = sqrt((double)(x*x + z*z));
+       t = sqrt(4 * ARMLENGTH * ARMLENGTH / h2 - 1);
+       e->x = (short) (x*(1 - y*t/r)/2);
+       e->y = (short) ((y + r*t)/2);
+       h->x = x;
+       h->y = y;
+  }
+}
+
+/* NOTE: returned x, y adjusted for arm reach */
+static void
+draw_arm(ModeInfo * mi, Hand side, int *x, int *y)
+{
+  Display *dpy = MI_DISPLAY(mi);
+  Window win = MI_WINDOW(mi);
+  GC gc = MI_GC(mi);
+  jugglestruct *sp = &juggles[MI_SCREEN(mi)];
+
+  int sig = (side == LEFT) ? 1 : -1;
+
+  XSetLineAttributes(dpy, gc,
+               ARMWIDTH, LineSolid, CapRound, JoinRound);
+  if (sp->arm[side][0].x != *x || sp->arm[side][0].y != *y) {
+       XPoint h, e;
+       XSetForeground(dpy, gc, MI_BLACK_PIXEL(mi));
+       find_elbow(sp, &h, &e, *x - sig*SX - sp->cx, *y - SY - sp->cy, SZ);
+       XDrawLines(dpy, win, gc, sp->arm[side], 3, CoordModeOrigin);
+       *x = sp->arm[side][0].x = sp->cx + sig*SX + h.x;
+       *y = sp->arm[side][0].y = sp->cy + SY + h.y;
+       sp->arm[side][1].x = sp->cx + sig*SX + e.x;
+       sp->arm[side][1].y = sp->cy + SY + e.y;
+  }
+  XSetForeground(dpy, gc, MI_WHITE_PIXEL(mi));
+  XDrawLines(dpy, win, gc, sp->arm[side], 3, CoordModeOrigin);
+  XSetLineAttributes(dpy, gc,
+               1, LineSolid, CapNotLast, JoinRound);
+}
+
+static void
+draw_figure(ModeInfo * mi)
+{
+  Display *dpy = MI_DISPLAY(mi);
+  Window win = MI_WINDOW(mi);
+  GC gc = MI_GC(mi);
+  jugglestruct *sp = &juggles[MI_SCREEN(mi)];
+
+  XSetLineAttributes(dpy, gc,
+               ARMWIDTH, LineSolid, CapRound, JoinRound);
+  XSetForeground(dpy, gc, MI_WHITE_PIXEL(mi));
+  XDrawLines(dpy, win, gc, sp->figure_path, FIGURE1, CoordModeOrigin);
+  XDrawSegments(dpy, win, gc, sp->figure_segs, FIGURE2);
+  XDrawArc(dpy, win, gc,
+        sp->cx - HED/2, sp->cy + NEY - HED, HED, HED, 0, 64*360);
+  XSetLineAttributes(dpy, gc,
+               1, LineSolid, CapNotLast, JoinRound);
+}
+
+
+/* dumps a human-readable rendition of the current state of the juggle
+   pipeline to stderr for debugging */
+#ifdef OLDDEBUG
+static void
+dump(jugglestruct *sp)
+{
+  Trajectory *t;
+
+  for (t = sp->head->next; t != sp->head; t = t->next) {
+       switch (t->status) {
+       case THROW:
+         (void) fprintf(stderr, "T %c%d\n", t->posn, t->height);
+         break;
+       case ACTION:
+         (void) fprintf(stderr, t->action == CATCH?"A %c%c%c\n":"A %c%c%c%d\n",
+                         t->posn,
+                         t->hand ? 'R' : 'L',
+                         (t->action == THROW)?'T':(t->action == CATCH?'C':'N'),
+                         t->height);
+         break;
+       case LINKEDACTION:
+         (void) fprintf(stderr, "L %c%c%c%d %d\n",
+                         t->posn,
+                         t->hand?'R':'L',
+                         (t->action == THROW)?'T':(t->action == CATCH?'C':'N'),
+                         t->height, t->color);
+         break;
+       case PTHRATCH:
+         (void) fprintf(stderr, "O %c%c%c%d %d %2d %6d %6d\n", t->posn,
+                         t->hand?'R':'L',
+                         (t->action == THROW)?'T':(t->action == CATCH?'C':'N'),
+                         t->height, t->type, t->color,
+                         t->start, t->finish);
+         break;
+       case PREDICTOR:
+         (void) fprintf(stderr, "P %c      %2d %6d %6d %g\n",
+                         t->type == Ball?'b':t->type == Empty?'e':'f',
+                         t->color,
+                         t->start, t->finish, t->yp.c);
+         break;
+       default:
+         (void) fprintf(stderr, "status %d not implemented\n", t->status);
+         break;
+       }
+  }
+}
+#endif
+
+static int get_num_balls(const char *j)
+{
+  int balls = 0;
+  const char *p;
+  int h = 0;
+  for (p = j; *p; p++) {
+       if (*p >= '0' && *p <='9') { /* digit */
+         h = 10*h + (*p - '0');
+       } else {
+         if (h > balls) {
+               balls = h;
+         }
+         h = 0;
+       }
+  }
+  return balls;
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static int compare_num_balls(const void *p1, const void *p2)
+{
+  int i = get_num_balls(((patternstruct*)p1)->pattern);
+  int j = get_num_balls(((patternstruct*)p2)->pattern);
+  if (i > j) {
+       return (1);
+  } else if (i < j) {
+       return (-1);
+  } else {
+       return (0);
+  }
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+/* Public functions */
+
+void
+release_juggle(ModeInfo * mi)
+{
+       if (juggles != NULL) {
+               int screen;
+
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_juggle(&juggles[screen]);
+               (void) free((void *) juggles);
+               juggles = (jugglestruct *) NULL;
+       }
+       if (patternindex != NULL) {
+               (void) free((void *) patternindex);
+               patternindex = (PatternIndex *) NULL;
+       }
+}
+
+void
+init_juggle(ModeInfo * mi)
+{
+       jugglestruct *sp;
+       int i;
+       XPoint figure1[FIGURE1];
+       XSegment figure2[FIGURE2];
+       if (pattern != NULL && *pattern == '.') {
+         pattern = NULL;
+       }
+       if (pattern == NULL && patternindex == NULL) {
+         /* pattern list needs indexing */
+         int i;
+         int nelements = sizeof(portfolio)/sizeof(patternstruct);
+         int maxballs;
+         int numpat = 0;
+
+         /* sort according to number of balls */
+         qsort((void*)portfolio, nelements,
+                       sizeof(patternstruct), compare_num_balls);
+
+         /* last pattern has most balls */
+         maxballs = get_num_balls(portfolio[nelements - 1].pattern);
+         /* allocate index */
+         if ((patternindex = (PatternIndex *) calloc(maxballs + 1,
+                               sizeof (PatternIndex))) == NULL) {
+               return;
+         }
+
+         /* run through sorted list, indexing start of each group
+                and number in group */
+         maxballs = 1;
+         for (i = 0; i < nelements; i++) {
+               int b = get_num_balls(portfolio[i].pattern);
+               if (b > maxballs) {
+                 if (MI_IS_VERBOSE(mi)) {
+                       (void) fprintf(stderr, "%d %d ball pattern%s\n",
+                                       numpat, maxballs, (numpat == 1) ? "" : "s");
+                 }
+                 patternindex[maxballs].number = numpat;
+                 maxballs = b;
+                 numpat = 1;
+                 patternindex[maxballs].start = i;
+               } else {
+                 numpat++;
+               }
+         }
+         if (MI_IS_VERBOSE(mi)) {
+               (void) fprintf(stderr, "%d %d ball pattern%s\n",
+                               numpat, maxballs, (numpat == 1) ? "" : "s");
+         }
+         patternindex[maxballs].number = numpat;
+       }
+
+       if (juggles == NULL) { /* allocate jugglestruct */
+               if ((juggles = (jugglestruct *) calloc(MI_NUM_SCREENS(mi),
+                              sizeof (jugglestruct))) == NULL) {
+                       release_juggle(mi);
+                       return;
+               }
+       }
+       sp = &juggles[MI_SCREEN(mi)];
+
+       sp->count = 0;
+
+       if (MI_IS_FULLRANDOM(mi)) {
+               sp->solid = (Bool) (LRAND() & 1);
+#ifdef UNI
+               sp->uni = (Bool) (LRAND() & 1);
+#endif
+       } else {
+               sp->solid = solid;
+#ifdef UNI
+               sp->uni = uni;
+#endif
+       }
+
+       sp->width = MI_WIDTH(mi);
+       sp->height = MI_HEIGHT(mi);
+       sp->count = ABS(MI_COUNT(mi));
+       if (sp->count == 0)
+               sp->count = 150;
+       sp->scale = sp->height / 480.0;
+       /* vary x a little so the juggler does not burn the screen */
+       sp->cx = sp->width / 2 + RFX + NRAND(LFX - RFX + 1);
+       sp->cy = sp->height - FY - ((int) sp->uni) * FY / 3; /* raise higher */
+       /* "7" hits top of screen */
+       sp->Gr = GRAVITY(sp->cy, 7 * THROW_CATCH_INTERVAL);
+
+       figure1[0].x = LHIPX, figure1[0].y = HIPY;
+       figure1[1].x = 0, figure1[1].y = WSTY;
+       figure1[2].x = SX, figure1[2].y = SY;
+       figure1[3].x = -SX, figure1[3].y = SY;
+       figure1[4].x = 0, figure1[4].y = WSTY;
+       figure1[5].x = RHIPX, figure1[5].y = HIPY;
+       figure1[6].x = LHIPX, figure1[6].y = HIPY;
+       figure2[0].x1 = 0, figure2[0].y1 = SY,
+         figure2[0].x2 = 0, figure2[0].y2 = NEY;
+       figure2[1].x1 = LHIPX, figure2[1].y1 = HIPY,
+         figure2[1].x2 = LFX, figure2[1].y2 = FY;
+       figure2[2].x1 = RHIPX, figure2[2].y1 = HIPY,
+         figure2[2].x2 = RFX, figure2[2].y2 = FY;
+
+       /* Body Path */
+       for (i = 0; i <  FIGURE1; i++) {
+         sp->figure_path[i].x = figure1[i].x + sp->cx;
+         sp->figure_path[i].y = figure1[i].y + sp->cy;
+       }
+       /* Body Segments */
+       for (i = 0; i < FIGURE2; i++) {
+         sp->figure_segs[i].x1 = figure2[i].x1 + sp->cx;
+         sp->figure_segs[i].y1 = figure2[i].y1 + sp->cy;
+         sp->figure_segs[i].x2 = figure2[i].x2 + sp->cx;
+         sp->figure_segs[i].y2 = figure2[i].y2 + sp->cy;
+       }
+       /* Shoulders */
+       sp->arm[LEFT][2].x = sp->cx + SX;
+       sp->arm[LEFT][2].y = sp->cy + SY;
+       sp->arm[RIGHT][2].x = sp->cx - SX;
+       sp->arm[RIGHT][2].y = sp->cy + SY;
+
+       if (sp->trace == NULL) {
+         if ((sp->trace = (XPoint *)calloc(trail, sizeof(XPoint))) == NULL) {
+               free_juggle(sp);
+               return;
+         }
+       }
+
+       /* Clear the background. */
+       MI_CLEARWINDOW(mi);
+
+       draw_figure(mi);
+
+       /* record start time */
+       sp->begintime = time(NULL);
+
+       free_pattern(sp);
+
+       /* create circular list */
+       INSERT_AFTER_TOP(sp->head, sp->head);
+
+       /* generate pattern */
+       if (pattern == NULL) {
+
+#define MAXPAT 10
+#define MAXREPEAT 30
+#define CHANGE_BIAS 8 /* larger makes num_ball changes less likely */
+#define POSITION_BIAS 20 /* larger makes hand movements less likely */
+
+         int count = 0;
+         int num_balls = MINBALLS + NRAND(MAXBALLS - MINBALLS);
+         while (count < MI_CYCLES(mi)) {
+               char buf[MAXPAT * 3 + 3], *b = buf;
+               int maxseen = 0;
+               int l = NRAND(MAXPAT) + 1;
+               int t = NRAND(MAXREPEAT) + 1;
+
+               { /* vary number of balls */
+                 int new_balls = num_balls;
+                 int change;
+
+                 if (new_balls == 2) /* Do not juggle 2 that often */
+                   change = NRAND(2 + CHANGE_BIAS / 4);
+                 else
+                   change = NRAND(2 + CHANGE_BIAS);
+                 switch (change) {
+                 case 0:
+                       new_balls++;
+                       break;
+                 case 1:
+                       new_balls--;
+                       break;
+                 default:
+                       break; /* NO-OP */
+                 }
+                 if (new_balls < MINBALLS) {
+                       new_balls += 2;
+                 }
+                 if (new_balls > MAXBALLS) {
+                       new_balls -= 2;
+                 }
+                 if (new_balls < num_balls) {
+                       if (!program(mi, "[*]", 1)) /* lose ball */
+                               return;
+                 }
+                 num_balls = new_balls;
+               }
+               count++;
+
+               if (NRAND(2) && patternindex[num_balls].number) {
+                 /* Pick from PortFolio */
+                 if (!program(mi,
+                         portfolio[patternindex[num_balls].start +
+                                 NRAND(patternindex[num_balls].number)].pattern,
+                                 t))
+                       return;
+               } else {
+                 /* Invent a new pattern */
+                 *b++='[';
+                 for(i = 0; i < l; i++){
+                       int n, m;
+                       do { /* Triangular Distribution => high values more likely */
+                         m = NRAND(num_balls + 1);
+                         n = NRAND(num_balls + 1);
+                       } while(m >= n);
+                       if (n == num_balls) {
+                         maxseen = 1;
+                       }
+                       switch(NRAND(6 + POSITION_BIAS)){
+                       case 0:            /* Inside throw */
+                         *b++ = '-'; break;
+                       case 1:            /* Outside throw */
+                         *b++ = '+'; break;
+                       case 2:            /* Cross throw */
+                         *b++ = '='; break;
+                       case 3:            /* Cross catch */
+                         *b++ = '&'; break;
+                       case 4:            /* Cross throw and catch */
+                         *b++ = 'x'; break;
+                       case 5:            /* Bounce */
+                         *b++ = '_'; break;
+                       default:
+                         break; /* NO-OP */
+                       }
+
+                       *b++ = n + '0';
+                       *b++ = ' ';
+                 }
+                 *b++ = ']';
+                 *b = '\0';
+                 if (maxseen) {
+                       if (!program(mi, buf, t))
+                               return;
+                 }
+               }
+         }
+       } else { /* pattern supplied in height or 'a' notation */
+         if (!program(mi, pattern, MI_CYCLES(mi)))
+               return;
+       }
+
+       adam(sp);
+
+       if (!part(sp))
+               return;
+
+       lob(mi);
+
+       positions(sp);
+
+       if (!projectile(sp))
+               return;
+
+       hands(sp);
+
+#ifdef OLDDEBUG
+       dump(sp);
+#endif
+}
+
+#define CUBIC(s, t) ((((s).a * (t) + (s).b) * (t) + (s).c) * (t) + (s).d)
+
+#ifdef SUNOS4
+/*-
+ * Workaround SunOS 4 framebuffer bug which causes balls to leave dust
+ * trace behind when erased
+ */
+#define ERASE_BALL(x,y) \
+       XSetForeground(dpy, gc, MI_BLACK_PIXEL(mi)); \
+       XFillArc(dpy, window, gc, \
+               (x) - BALLRADIUS - 2, (y) - BALLRADIUS - 2, \
+               2*(BALLRADIUS + 2), 2*(BALLRADIUS + 2), 0, 23040)
+#else
+
+#define ERASE_BALL(x,y) \
+       XSetForeground(dpy, gc, MI_BLACK_PIXEL(mi)); \
+       XFillArc(dpy, window, gc, \
+               (x) - BALLRADIUS, (y) - BALLRADIUS, \
+               2*BALLRADIUS, 2*BALLRADIUS, 0, 23040)
+#endif
+
+static void
+draw_juggle_ball(ModeInfo *mi, unsigned long color, int x, int y, double degree_offset, int divisions)
+{
+       Display    *dpy = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
+       GC          gc = MI_GC(mi);
+       jugglestruct *sp = &juggles[MI_SCREEN(mi)];
+       int offset;
+
+       XSetForeground(dpy, gc, color);
+       if ((color == MI_WHITE_PIXEL(mi)) ||
+           ((divisions != 2) && (divisions != 4)) || sp->solid) {
+               XFillArc(dpy, window, gc,
+                       x - BALLRADIUS, y - BALLRADIUS,
+                       2*BALLRADIUS, 2*BALLRADIUS,
+                       0, 23040);
+               return;
+       }
+       offset = (int) (degree_offset * 64);
+       if (divisions == 4) { /* 90 degree divisions */
+               XFillArc(dpy, window, gc,
+                       x - BALLRADIUS, y - BALLRADIUS,
+                       2*BALLRADIUS, 2*BALLRADIUS,
+                       offset, 5760);
+               XFillArc(dpy, window, gc,
+                       x - BALLRADIUS, y - BALLRADIUS,
+                       2*BALLRADIUS, 2*BALLRADIUS,
+                       (offset + 11520) % 23040, 5760);
+               XSetForeground(dpy, gc, MI_WHITE_PIXEL(mi));
+               XFillArc(dpy, window, gc,
+                       x - BALLRADIUS, y - BALLRADIUS,
+                       2*BALLRADIUS, 2*BALLRADIUS,
+                       (offset + 5760) % 23040, 5760);
+               XFillArc(dpy, window, gc,
+                       x - BALLRADIUS, y - BALLRADIUS,
+                       2*BALLRADIUS, 2*BALLRADIUS,
+                       (offset + 17280) % 23040, 5760);
+       } else { /* 180 degree divisions */
+               XFillArc(dpy, window, gc,
+                       x - BALLRADIUS, y - BALLRADIUS,
+                       2*BALLRADIUS, 2*BALLRADIUS,
+                       offset, 11520);
+               XSetForeground(dpy, gc, MI_WHITE_PIXEL(mi));
+               XFillArc(dpy, window, gc,
+                       x - BALLRADIUS, y - BALLRADIUS,
+                       2*BALLRADIUS, 2*BALLRADIUS,
+                       (offset + 11520) % 23040, 11520);
+       }
+       XFlush(dpy);
+}
+
+void
+draw_juggle(ModeInfo * mi)
+{
+       Display    *dpy = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
+       GC          gc = MI_GC(mi);
+       Trajectory *traj;
+       int future = 0;
+       int length = 0;
+       jugglestruct *sp;
+
+       if (juggles == NULL)
+               return;
+       sp = &juggles[MI_SCREEN(mi)];
+       if (sp->trace == NULL)
+               return;
+
+       MI_IS_DRAWN(mi) = True;
+
+       draw_figure(mi);
+
+       {
+         struct timeval tv;
+         (void)gettimeofday(&tv, NULL);
+         sp->time = (int) ((tv.tv_sec - sp->begintime)*1000 + tv.tv_usec/1000);
+       }
+       for (traj = sp->head->next; traj != sp->head; traj = traj->next) {
+         length++;
+         if (traj->status != PREDICTOR) {
+               continue;
+         }
+         if (traj->start > future) {
+               future = traj->start;
+         }
+         if (sp->time < traj->start) { /* early */
+               continue;
+         } else if (sp->time < traj->finish) { /* working */
+               int x = (int) CUBIC(traj->xp, sp->time);
+               int y = (int) CUBIC(traj->yp, sp->time);
+               unsigned long color;
+
+               if (MI_NPIXELS(mi) > 2) {
+                 color = MI_PIXEL(mi, traj->color);
+               } else {
+                 color = MI_WHITE_PIXEL(mi);
+               }
+               if (traj->type == Empty || traj->type == Full) {
+                 draw_arm(mi, traj->hand, &x, &y);
+               }
+               if (traj->type == Ball || traj->type == Full) {
+                 if(trail > 0) {
+                       ERASE_BALL(sp->trace[sp->traceindex].x,
+                               sp->trace[sp->traceindex].y);
+                       sp->trace[sp->traceindex].x = traj->x;
+                       sp->trace[sp->traceindex].y = traj->y;
+                       if (++sp->traceindex >= trail) {
+                         sp->traceindex = 0;
+                       }
+                 } else {
+                       ERASE_BALL(traj->x, traj->y);
+                 }
+                 draw_juggle_ball(mi, color, x, y, traj->degree_offset, traj->divisions);
+                 traj->degree_offset = traj->degree_offset +
+                   SPIN_DEGREES * traj->spin / sp->count;
+                 if (traj->degree_offset < 0.0)
+                       traj->degree_offset += 360.0;
+                 else if (traj->degree_offset >= 360.0)
+                       traj->degree_offset -= 360.0;
+               }
+               traj->x = x;
+               traj->y = y;
+         } else { /* expired */
+               Trajectory *n = traj;
+
+               ERASE_BALL(traj->x, traj->y);
+               traj=traj->prev;
+               REMOVE(n);
+         }
+       }
+
+       /*** FIXME-BEGIN ***/
+       /* pattern generator would refill here when necessary */
+#if 1
+       if (future == 0) {
+#else
+       if (sp->count > MI_CYCLES(mi)) { /* pick a new juggle */
+#endif
+                       init_juggle(mi);
+       }
+       /*** FIXME-END ***/
+
+}
+
+#endif /* MODE_juggle */
diff --git a/hacks/laser.c b/hacks/laser.c

index de2a914471cee22244bfcce6c3e13bd670c45558..2b0622dd2813bc8c7fd791b7ebe07df7a3784d86 100644 (file)
--- a/hacks/laser.c
+++ b/hacks/laser.c
@@ -1,41 +1,61 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * laser --- draws swinging laser beams.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* laser --- spinning lasers */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)laser.c      4.00 97/01/01 xlockmore";
+static const char sccsid[] = "@(#)laser.c      5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1995 Pascal Pensa <pensa@aurora.unice.fr>
+/*-
+ * Copyright (c) 1995 Pascal Pensa <pensa@aurora.unice.fr>
   *
   *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
   *
   * Revision History:
   *
   * Revision History:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 1995: Written.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Laser"
-# define HACK_INIT                                     init_laser
-# define HACK_DRAW                                     draw_laser
-# define laser_opts                                    xlockmore_opts
-# define DEFAULTS      "*count:                10    \n"                       \
-                                       "*cycles:               200   \n"                       \
-                                       "*delay:                40000 \n"                       \
-                                       "*ncolors:              64   \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-ModeSpecOpt laser_opts = {
-  0, NULL, 0, NULL, NULL };
+#define MODE_laser
+#define PROGCLASS "Laser"
+#define HACK_INIT init_laser
+#define HACK_DRAW draw_laser
+#define laser_opts xlockmore_opts
+#define DEFAULTS "*delay: 40000 \n" \
+ "*count: 10 \n" \
+ "*cycles: 200 \n" \
+ "*ncolors: 64 \n"
+#define BRIGHT_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_laser
+
+ModeSpecOpt laser_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   laser_description =
+{"laser", "init_laser", "draw_laser", "release_laser",
+ "refresh_laser", "init_laser", (char *) NULL, &laser_opts,
+ 20000, -10, 200, 1, 64, 1.0, "",
+ "Shows spinning lasers", 0, NULL};
+
+#endif
  
  #define MINREDRAW 3            /* Number of redrawn on each frame */
  #define MAXREDRAW 8
  
  #define MINREDRAW 3            /* Number of redrawn on each frame */
  #define MAXREDRAW 8
@@ -52,7 +72,7 @@ ModeSpecOpt laser_opts = {
  
  #define COLORSTEP 2            /* Laser color step */
  
  
  #define COLORSTEP 2            /* Laser color step */
  
-#define RANGE_RAND(min,max) ((min) + LRAND() % ((max) - (min)))
+#define RANGE_RAND(min,max) (int) ((min) + LRAND() % ((max) - (min)))
  
  typedef enum {
         TOP, RIGHT, BOTTOM, LEFT
  
  typedef enum {
         TOP, RIGHT, BOTTOM, LEFT
@@ -85,12 +105,25 @@ typedef struct {
         laserstruct *laser;
  } lasersstruct;
  
         laserstruct *laser;
  } lasersstruct;
  
-static lasersstruct *lasers = NULL;
+static lasersstruct *lasers = (lasersstruct *) NULL;
  
  
+static void
+free_laser(Display *display, lasersstruct *lp)
+{
+       if (lp->laser != NULL) {
+               (void) free((void *) lp->laser);
+               lp->laser = (laserstruct *) NULL;
+       }
+       if (lp->stippledGC != None) {
+               XFreeGC(display, lp->stippledGC);
+               lp->stippledGC = None;
+       }
+}
  
  void
  init_laser(ModeInfo * mi)
  {
  
  void
  init_laser(ModeInfo * mi)
  {
+       Display *display = MI_DISPLAY(mi);
         int         i, c = 0;
         lasersstruct *lp;
  
         int         i, c = 0;
         lasersstruct *lp;
  
@@ -101,34 +134,41 @@ init_laser(ModeInfo * mi)
         }
         lp = &lasers[MI_SCREEN(mi)];
  
         }
         lp = &lasers[MI_SCREEN(mi)];
  
-       lp->width = MI_WIN_WIDTH(mi);
-       lp->height = MI_WIN_HEIGHT(mi);
+       lp->width = MI_WIDTH(mi);
+       lp->height = MI_HEIGHT(mi);
         lp->time = 0;
  
         lp->time = 0;
  
-       lp->ln = MI_BATCHCOUNT(mi);
+       lp->ln = MI_COUNT(mi);
         if (lp->ln < -MINLASER) {
                 /* if lp->ln is random ... the size can change */
                 if (lp->laser != NULL) {
                         (void) free((void *) lp->laser);
         if (lp->ln < -MINLASER) {
                 /* if lp->ln is random ... the size can change */
                 if (lp->laser != NULL) {
                         (void) free((void *) lp->laser);
-                       lp->laser = NULL;
+                       lp->laser = (laserstruct *) NULL;
                 }
                 lp->ln = NRAND(-lp->ln - MINLASER + 1) + MINLASER;
         } else if (lp->ln < MINLASER)
                 lp->ln = MINLASER;
  
                 }
                 lp->ln = NRAND(-lp->ln - MINLASER + 1) + MINLASER;
         } else if (lp->ln < MINLASER)
                 lp->ln = MINLASER;
  
-       if (!lp->laser) {
-               lp->laser = (laserstruct *) malloc(lp->ln * sizeof (laserstruct));
+       if (lp->laser == NULL) {
+               if ((lp->laser = (laserstruct *) malloc(lp->ln *
+                               sizeof (laserstruct))) == NULL) {
+                       free_laser(display, lp);
+                       return;
+               }
         }
         }
-       if (lp->stippledGC == NULL) {
+       if (lp->stippledGC == None) {
                 XGCValues   gcv;
  
                 XGCValues   gcv;
  
-               gcv.foreground = MI_WIN_WHITE_PIXEL(mi);
-               gcv.background = MI_WIN_BLACK_PIXEL(mi);
-               lp->gcv_black.foreground = MI_WIN_BLACK_PIXEL(mi);
-               lp->stippledGC = XCreateGC(MI_DISPLAY(mi), MI_WINDOW(mi),
-                                          GCForeground | GCBackground, &gcv);
+               gcv.foreground = MI_WHITE_PIXEL(mi);
+               gcv.background = MI_BLACK_PIXEL(mi);
+               lp->gcv_black.foreground = MI_BLACK_PIXEL(mi);
+               if ((lp->stippledGC = XCreateGC(display, MI_WINDOW(mi),
+                               GCForeground | GCBackground, &gcv)) == None) {
+                       free_laser(display, lp);
+                       return;
+               }
         }
         }
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       MI_CLEARWINDOW(mi);
  
         if (MINDIST < lp->width - MINDIST)
                 lp->cx = RANGE_RAND(MINDIST, lp->width - MINDIST);
  
         if (MINDIST < lp->width - MINDIST)
                 lp->cx = RANGE_RAND(MINDIST, lp->width - MINDIST);
@@ -169,13 +209,13 @@ init_laser(ModeInfo * mi)
                                 l->by = NRAND(lp->height);
                 }
  
                                 l->by = NRAND(lp->height);
                 }
  
-               l->dir = LRAND() & 1;
+               l->dir = (int) (LRAND() & 1);
                 l->speed = ((RANGE_RAND(MINSPEED, MAXSPEED) * lp->width) / 1000) + 1;
                 if (MI_NPIXELS(mi) > 2) {
                         l->gcv.foreground = MI_PIXEL(mi, c);
                         c = (c + COLORSTEP) % MI_NPIXELS(mi);
                 } else
                 l->speed = ((RANGE_RAND(MINSPEED, MAXSPEED) * lp->width) / 1000) + 1;
                 if (MI_NPIXELS(mi) > 2) {
                         l->gcv.foreground = MI_PIXEL(mi, c);
                         c = (c + COLORSTEP) % MI_NPIXELS(mi);
                 } else
-                       l->gcv.foreground = MI_WIN_WHITE_PIXEL(mi);
+                       l->gcv.foreground = MI_WHITE_PIXEL(mi);
         }
  }
  
         }
  }
  
@@ -283,9 +323,16 @@ draw_laser_once(ModeInfo * mi)
  void
  draw_laser(ModeInfo * mi)
  {
  void
  draw_laser(ModeInfo * mi)
  {
-       lasersstruct *lp = &lasers[MI_SCREEN(mi)];
         int         i;
         int         i;
+       lasersstruct *lp;
  
  
+       if (lasers == NULL)
+               return;
+       lp = &lasers[MI_SCREEN(mi)];
+       if (lp->laser == NULL)
+               return;
+
+       MI_IS_DRAWN(mi) = True;
         for (i = 0; i < lp->lr; i++)
                 draw_laser_once(mi);
  
         for (i = 0; i < lp->lr; i++)
                 draw_laser_once(mi);
  
@@ -299,21 +346,17 @@ release_laser(ModeInfo * mi)
         if (lasers != NULL) {
                 int         screen;
  
         if (lasers != NULL) {
                 int         screen;
  
-               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
-                       lasersstruct *lp = &lasers[screen];
-
-                       if (lp->laser != NULL)
-                               (void) free((void *) lp->laser);
-                       if (lp->stippledGC != NULL)
-                               XFreeGC(MI_DISPLAY(mi), lp->stippledGC);
-               }
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_laser(MI_DISPLAY(mi), &lasers[screen]);
                 (void) free((void *) lasers);
                 (void) free((void *) lasers);
-               lasers = NULL;
+               lasers = (lasersstruct *) NULL;
         }
  }
  
  void
  refresh_laser(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_laser(ModeInfo * mi)
  {
-       /* Do nothing, it will refresh by itself */
+       MI_CLEARWINDOW(mi);
  }
  }
+
+#endif /* MODE_laser */
diff --git a/hacks/lightning.c b/hacks/lightning.c

index 77be5783a22fa3f0eabee252b57ab7af2b06161c..deb37411de1e621b4a9560098fc5be1c33493ea5 100644 (file)
--- a/hacks/lightning.c
+++ b/hacks/lightning.c
@@ -1,11 +1,13 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * lightning --- fractal lightning bolts.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* lightning --- fractal lightning bolds */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)lightning.c  4.00 97/01/01 xlockmore";
+static const char sccsid[] = "@(#)lightning.c  5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1996 by Keith Romberg <kromberg@saxe.com>.
+/*-
+ * Copyright (c) 1996 by Keith Romberg <kromberg@saxe.com>
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -20,28 +22,38 @@ static const char sccsid[] = "@(#)lightning.c       4.00 97/01/01 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- * 14-Jul-96: Cleaned up code.
- * 27-Jun-96: Written and submitted by Keith Romberg <kromberg@saxe.com>.
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 14-Jul-1996: Cleaned up code.
+ * 27-Jun-1996: Written and submitted by Keith Romberg <kromberg@saxe.com>.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Lightning"
-# define HACK_INIT                                     init_lightning
-# define HACK_DRAW                                     draw_lightning
-# define lightning_opts                                xlockmore_opts
-# define DEFAULTS      "*delay:                10000 \n"                       \
-                                       "*ncolors:              200   \n"
-# define BRIGHT_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-ModeSpecOpt lightning_opts = {
-  0, NULL, 0, NULL, NULL };
-
-/*----------------------------   defines   -------------------------------*/
+#define MODE_lightning
+#define PROGCLASS "Lightning"
+#define HACK_INIT init_lightning
+#define HACK_DRAW draw_lightning
+#define lightning_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n"
+#define BRIGHT_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_lightning
+
+ModeSpecOpt lightning_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   lightning_description =
+{"lightning", "init_lightning", "draw_lightning", "release_lightning",
+ "refresh_lightning", "init_lightning", (char *) NULL, &lightning_opts,
+ 10000, 1, 1, 1, 64, 0.6, "",
+ "Shows Keith's fractal lightning bolts", 0, NULL};
+
+#endif
  
  #define BOLT_NUMBER 4
  #define BOLT_ITERATION 4
  
  #define BOLT_NUMBER 4
  #define BOLT_ITERATION 4
@@ -100,10 +112,11 @@ typedef struct {
         int         give_it_hell;
         int         draw_time;
         int         stage;
         int         give_it_hell;
         int         draw_time;
         int         stage;
+       int         busyLoop;
         unsigned long color;
  } Storm;
  
         unsigned long color;
  } Storm;
  
-static Storm *Helga = NULL;
+static Storm *Helga = (Storm *) NULL;
  
  /*-------------------   function prototypes  ----------------------------*/
  
  
  /*-------------------   function prototypes  ----------------------------*/
  
@@ -113,7 +126,7 @@ static int  setup_multi_strike(void);
  static int  flashing_strike(void);
  static void flash_duration(int *start, int *end, int total_duration);
  static void random_storm(Storm * st);
  static int  flashing_strike(void);
  static void flash_duration(int *start, int *end, int total_duration);
  static void random_storm(Storm * st);
-static void generate(XPoint A, XPoint B, int iter, XPoint * verts, int *index);
+static void generate(XPoint A, XPoint B, int iter, XPoint * verts, int *vert_index);
  static void create_fork(Fork * f, XPoint start, XPoint end, int level);
  
  static void first_strike(Lightning bolt, ModeInfo * mi);
  static void create_fork(Fork * f, XPoint start, XPoint end, int level);
  
  static void first_strike(Lightning bolt, ModeInfo * mi);
@@ -123,7 +136,7 @@ static void level1_strike(Lightning bolt, ModeInfo * mi);
  static void level2_strike(Lightning bolt, ModeInfo * mi);
  
  static int  storm_active(Storm * st);
  static void level2_strike(Lightning bolt, ModeInfo * mi);
  
  static int  storm_active(Storm * st);
-static void update_bolt(Lightning * bolt, int time);
+static void update_bolt(Lightning * bolt, int time_now);
  static void wiggle_bolt(Lightning * bolt);
  static void wiggle_line(XPoint * p, int number, int wiggle_amount);
  
  static void wiggle_bolt(Lightning * bolt);
  static void wiggle_line(XPoint * p, int number, int wiggle_amount);
  
@@ -220,7 +233,7 @@ random_storm(Storm * st)
  }
  
  static void
  }
  
  static void
-generate(XPoint A, XPoint B, int iter, XPoint * verts, int *index)
+generate(XPoint A, XPoint B, int iter, XPoint * verts, int *vert_index)
  {
         XPoint      mid;
  
  {
         XPoint      mid;
  
@@ -228,13 +241,13 @@ generate(XPoint A, XPoint B, int iter, XPoint * verts, int *index)
         mid.y = (A.y + B.y) / 2 + NRAND(HEIGHT_VARIATION) - HEIGHT_VARIATION / 2;
  
         if (!iter) {
         mid.y = (A.y + B.y) / 2 + NRAND(HEIGHT_VARIATION) - HEIGHT_VARIATION / 2;
  
         if (!iter) {
-               verts[*index].x = mid.x;
-               verts[*index].y = mid.y;
-               (*index)++;
+               verts[*vert_index].x = mid.x;
+               verts[*vert_index].y = mid.y;
+               (*vert_index)++;
                 return;
         }
                 return;
         }
-       generate(A, mid, iter - 1, verts, index);
-       generate(mid, B, iter - 1, verts, index);
+       generate(A, mid, iter - 1, verts, vert_index);
+       generate(mid, B, iter - 1, verts, vert_index);
  }
  
  /*------------------------------------------------------------------------*/
  }
  
  /*------------------------------------------------------------------------*/
@@ -270,30 +283,30 @@ create_fork(Fork * f, XPoint start, XPoint end, int level)
  /*------------------------------------------------------------------------*/
  
  static void
  /*------------------------------------------------------------------------*/
  
  static void
-update_bolt(Lightning * bolt, int time)
+update_bolt(Lightning * bolt, int time_now)
  {
         wiggle_bolt(bolt);
         if ((bolt->wiggle_amount == 0) && (bolt->wiggle_number > 2))
                 bolt->wiggle_number = 0;
  {
         wiggle_bolt(bolt);
         if ((bolt->wiggle_amount == 0) && (bolt->wiggle_number > 2))
                 bolt->wiggle_number = 0;
-       if (((time % 3) == 0))
+       if (((time_now % 3) == 0))
                 bolt->wiggle_amount++;
  
                 bolt->wiggle_amount++;
  
-       if (((time >= bolt->delay_time) && (time < bolt->flash_begin)) ||
-           (time > bolt->flash_stop))
+       if (((time_now >= bolt->delay_time) && (time_now < bolt->flash_begin)) ||
+           (time_now > bolt->flash_stop))
                 bolt->visible = 1;
         else
                 bolt->visible = 0;
  
                 bolt->visible = 1;
         else
                 bolt->visible = 0;
  
-       if (time == bolt->delay_time)
+       if (time_now == bolt->delay_time)
                 bolt->strike_level = FIRST_LEVEL_STRIKE;
                 bolt->strike_level = FIRST_LEVEL_STRIKE;
-       else if (time == (bolt->delay_time + 1))
+       else if (time_now == (bolt->delay_time + 1))
                 bolt->strike_level = LEVEL_ONE_STRIKE;
                 bolt->strike_level = LEVEL_ONE_STRIKE;
-       else if ((time > (bolt->delay_time + 1)) &&
-                (time <= (bolt->delay_time + bolt->flash_begin - 2)))
+       else if ((time_now > (bolt->delay_time + 1)) &&
+                (time_now <= (bolt->delay_time + bolt->flash_begin - 2)))
                 bolt->strike_level = LEVEL_TWO_STRIKE;
                 bolt->strike_level = LEVEL_TWO_STRIKE;
-       else if (time == (bolt->delay_time + bolt->flash_begin - 1))
+       else if (time_now == (bolt->delay_time + bolt->flash_begin - 1))
                 bolt->strike_level = LEVEL_ONE_STRIKE;
                 bolt->strike_level = LEVEL_ONE_STRIKE;
-       else if (time == (bolt->delay_time + bolt->flash_stop + 1))
+       else if (time_now == (bolt->delay_time + bolt->flash_stop + 1))
                 bolt->strike_level = LEVEL_ONE_STRIKE;
         else
                 bolt->strike_level = LEVEL_TWO_STRIKE;
                 bolt->strike_level = LEVEL_ONE_STRIKE;
         else
                 bolt->strike_level = LEVEL_TWO_STRIKE;
@@ -324,7 +337,7 @@ first_strike(Lightning bolt, ModeInfo * mi)
         GC          gc = MI_GC(mi);
         int         i;
  
         GC          gc = MI_GC(mi);
         int         i;
  
-       XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+       XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         XDrawLine(display, window, gc,
                bolt.end1.x, bolt.end1.y, bolt.middle[0].x, bolt.middle[0].y);
         draw_line(mi, bolt.middle, BOLT_VERTICIES, gc, 0);
         XDrawLine(display, window, gc,
                bolt.end1.x, bolt.end1.y, bolt.middle[0].x, bolt.middle[0].y);
         draw_line(mi, bolt.middle, BOLT_VERTICIES, gc, 0);
@@ -375,7 +388,7 @@ level1_strike(Lightning bolt, ModeInfo * mi)
         if (MI_NPIXELS(mi) > 2) /* color */
                 XSetForeground(display, gc, MI_PIXEL(mi, st->color));
         else
         if (MI_NPIXELS(mi) > 2) /* color */
                 XSetForeground(display, gc, MI_PIXEL(mi, st->color));
         else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         XDrawLine(display, window, gc,
         bolt.end1.x - 1, bolt.end1.y, bolt.middle[0].x - 1, bolt.middle[0].y);
         draw_line(mi, bolt.middle, BOLT_VERTICIES, gc, -1);
         XDrawLine(display, window, gc,
         bolt.end1.x - 1, bolt.end1.y, bolt.middle[0].x - 1, bolt.middle[0].y);
         draw_line(mi, bolt.middle, BOLT_VERTICIES, gc, -1);
@@ -403,7 +416,7 @@ level1_strike(Lightning bolt, ModeInfo * mi)
  static int
  distance(XPoint a, XPoint b)
  {
  static int
  distance(XPoint a, XPoint b)
  {
-       return ((int) sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y)));
+       return ((int) sqrt((double) (a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y)));
  }
  
  /*------------------------------------------------------------------------*/
  }
  
  /*------------------------------------------------------------------------*/
@@ -424,7 +437,7 @@ level2_strike(Lightning bolt, ModeInfo * mi)
         if (MI_NPIXELS(mi) > 2)
                 XSetForeground(display, gc, MI_PIXEL(mi, st->color));
         else
         if (MI_NPIXELS(mi) > 2)
                 XSetForeground(display, gc, MI_PIXEL(mi, st->color));
         else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         XDrawLine(display, window, gc,
         bolt.end1.x - 2, bolt.end1.y, bolt.middle[0].x - 2, bolt.middle[0].y);
         draw_line(mi, bolt.middle, BOLT_VERTICIES, gc, -2);
         XDrawLine(display, window, gc,
         bolt.end1.x - 2, bolt.end1.y, bolt.middle[0].x - 2, bolt.middle[0].y);
         draw_line(mi, bolt.middle, BOLT_VERTICIES, gc, -2);
@@ -513,8 +526,8 @@ init_lightning(ModeInfo * mi)
         }
         st = &Helga[MI_SCREEN(mi)];
  
         }
         st = &Helga[MI_SCREEN(mi)];
  
-       st->scr_width = MI_WIN_WIDTH(mi);
-       st->scr_height = MI_WIN_HEIGHT(mi);
+       st->scr_width = MI_WIDTH(mi);
+       st->scr_height = MI_HEIGHT(mi);
  
         st->multi_strike = setup_multi_strike();
         random_storm(st);
  
         st->multi_strike = setup_multi_strike();
         random_storm(st);
@@ -526,18 +539,25 @@ init_lightning(ModeInfo * mi)
  void
  draw_lightning(ModeInfo * mi)
  {
  void
  draw_lightning(ModeInfo * mi)
  {
-       Storm      *st = &Helga[MI_SCREEN(mi)];
         int         i;
         int         i;
+       Storm      *st;
  
  
+       if (Helga == NULL)
+               return;
+       st = &Helga[MI_SCREEN(mi)];
+       MI_IS_DRAWN(mi) = True;
         switch (st->stage) {
                 case 0:
         switch (st->stage) {
                 case 0:
-                       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+                       MI_IS_DRAWN(mi) = False;
+                       MI_CLEARWINDOW(mi);
+                       MI_IS_DRAWN(mi) = True;
+
                         st->color = NRAND(MI_NPIXELS(mi));
                         st->draw_time = 0;
                         if (storm_active(st))
                                 st->stage++;
                         else
                         st->color = NRAND(MI_NPIXELS(mi));
                         st->draw_time = 0;
                         if (storm_active(st))
                                 st->stage++;
                         else
-                               st->stage = 3;
+                               st->stage = 4;
                         break;
                 case 1:
                         for (i = 0; i < st->multi_strike; i++) {
                         break;
                 case 1:
                         for (i = 0; i < st->multi_strike; i++) {
@@ -546,19 +566,29 @@ draw_lightning(ModeInfo * mi)
                                 update_bolt(&(st->bolts[i]), st->draw_time);
                         }
                         st->draw_time++;
                                 update_bolt(&(st->bolts[i]), st->draw_time);
                         }
                         st->draw_time++;
-                       XFlush(MI_DISPLAY(mi));
-                       MI_PAUSE(mi) = 60000;
                         st->stage++;
                         st->stage++;
+                       st->busyLoop = 0;
                         break;
                 case 2:
                         break;
                 case 2:
-                       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+                       if (++st->busyLoop > 6) {
+                               st->stage++;
+                               st->busyLoop = 0;
+                       }
+                       break;
+               case 3:
+                       MI_IS_DRAWN(mi) = False;
+                       MI_CLEARWINDOW(mi);
+                       MI_IS_DRAWN(mi) = True;
+
                         if (storm_active(st))
                                 st->stage = 1;
                         else
                                 st->stage++;
                         break;
                         if (storm_active(st))
                                 st->stage = 1;
                         else
                                 st->stage++;
                         break;
-               case 3:
-                       MI_PAUSE(mi) = 1000000;
+               case 4:
+                       if (++st->busyLoop > 100) {
+                               st->busyLoop = 0;
+                       }
                         init_lightning(mi);
                         break;
         }
                         init_lightning(mi);
                         break;
         }
@@ -569,7 +599,7 @@ release_lightning(ModeInfo * mi)
  {
         if (Helga != NULL) {
                 (void) free((void *) Helga);
  {
         if (Helga != NULL) {
                 (void) free((void *) Helga);
-               Helga = NULL;
+               Helga = (Storm *) NULL;
         }
  }
  
         }
  }
  
@@ -578,3 +608,5 @@ refresh_lightning(ModeInfo * mi)
  {
         /* Do nothing, it will refresh by itself */
  }
  {
         /* Do nothing, it will refresh by itself */
  }
+
+#endif /* MODE_lightning */
diff --git a/hacks/link_axp.com b/hacks/link_axp.com

index 2de66901e62bd96b3647ffc1eb7d6337f505df4e..203affc2b9a759a2f40f9d08f8e21d26d8789144 100644 (file)
--- a/hacks/link_axp.com
+++ b/hacks/link_axp.com
@@ -23,7 +23,7 @@ $ link/exe=grav.exe         screenhack-xlock,grav,xlockmore,vms_axp_12.opt/opt
  $ link/exe=greynetic        screenhack,greynetic,vms_axp_12.opt/opt
  $ link/exe=halo.exe         screenhack,halo,vms_axp_12.opt/opt
  $ link/exe=helix.exe        screenhack,helix,vms_axp_12.opt/opt
  $ link/exe=greynetic        screenhack,greynetic,vms_axp_12.opt/opt
  $ link/exe=halo.exe         screenhack,halo,vms_axp_12.opt/opt
  $ link/exe=helix.exe        screenhack,helix,vms_axp_12.opt/opt
-$ link/exe=hopalong.exe     screenhack-xlock,hopalong,xlockmore,vms_axp_12.opt/opt
+$ link/exe=hop.exe          screenhack-xlock,hop,xlockmore,vms_axp_12.opt/opt
  $ link/exe=hypercube.exe    screenhack,hypercube,vms_axp_12.opt/opt
  $ link/exe=ifs.exe          screenhack-xlock,ifs,xlockmore,vms_axp_12.opt/opt
  $ link/exe=imsmap.exe       screenhack,imsmap,vms_axp_12.opt/opt
  $ link/exe=hypercube.exe    screenhack,hypercube,vms_axp_12.opt/opt
  $ link/exe=ifs.exe          screenhack-xlock,ifs,xlockmore,vms_axp_12.opt/opt
  $ link/exe=imsmap.exe       screenhack,imsmap,vms_axp_12.opt/opt
@@ -74,7 +74,7 @@ $ link/exe=grav.exe         screenhack-xlock,grav,xlockmore,vms_axp.opt/opt
  $ link/exe=greynetic        screenhack,greynetic,vms_axp.opt/opt
  $ link/exe=halo.exe         screenhack,halo,vms_axp.opt/opt
  $ link/exe=helix.exe        screenhack,helix,vms_axp.opt/opt
  $ link/exe=greynetic        screenhack,greynetic,vms_axp.opt/opt
  $ link/exe=halo.exe         screenhack,halo,vms_axp.opt/opt
  $ link/exe=helix.exe        screenhack,helix,vms_axp.opt/opt
-$ link/exe=hopalong.exe     screenhack-xlock,hopalong,xlockmore,vms_axp.opt/opt
+$ link/exe=hop.exe          screenhack-xlock,hop,xlockmore,vms_axp.opt/opt
  $ link/exe=hypercube.exe    screenhack,hypercube,vms_axp.opt/opt
  $ link/exe=ifs.exe          screenhack-xlock,ifs,xlockmore,vms_axp.opt/opt
  $ link/exe=imsmap.exe       screenhack,imsmap,vms_axp.opt/opt
  $ link/exe=hypercube.exe    screenhack,hypercube,vms_axp.opt/opt
  $ link/exe=ifs.exe          screenhack-xlock,ifs,xlockmore,vms_axp.opt/opt
  $ link/exe=imsmap.exe       screenhack,imsmap,vms_axp.opt/opt
diff --git a/hacks/link_decc.com b/hacks/link_decc.com

index 50bda20f8f6e486825c55f2058a80f5624634985..15ccb75a0ed0ad507c59e2b4dc86f5179979fffa 100644 (file)
--- a/hacks/link_decc.com
+++ b/hacks/link_decc.com
@@ -23,7 +23,7 @@ $ link/exe=grav.exe         screenhack-xlock,grav,xlockmore,vms_decc_12.opt/opt
  $ link/exe=greynetic        screenhack,greynetic,vms_decc_12.opt/opt
  $ link/exe=halo.exe         screenhack,halo,vms_decc_12.opt/opt
  $ link/exe=helix.exe        screenhack,helix,vms_decc_12.opt/opt
  $ link/exe=greynetic        screenhack,greynetic,vms_decc_12.opt/opt
  $ link/exe=halo.exe         screenhack,halo,vms_decc_12.opt/opt
  $ link/exe=helix.exe        screenhack,helix,vms_decc_12.opt/opt
-$ link/exe=hopalong.exe     screenhack-xlock,hopalong,xlockmore,vms_decc_12.opt/opt
+$ link/exe=hop.exe          screenhack-xlock,hop,xlockmore,vms_decc_12.opt/opt
  $ link/exe=hypercube.exe    screenhack,hypercube,vms_decc_12.opt/opt
  $ link/exe=ifs.exe          screenhack-xlock,ifs,xlockmore,vms_decc_12.opt/opt
  $ link/exe=imsmap.exe       screenhack,imsmap,vms_decc_12.opt/opt
  $ link/exe=hypercube.exe    screenhack,hypercube,vms_decc_12.opt/opt
  $ link/exe=ifs.exe          screenhack-xlock,ifs,xlockmore,vms_decc_12.opt/opt
  $ link/exe=imsmap.exe       screenhack,imsmap,vms_decc_12.opt/opt
@@ -74,7 +74,7 @@ $ link/exe=grav.exe         screenhack-xlock,grav,xlockmore,vms_decc.opt/opt
  $ link/exe=greynetic        screenhack,greynetic,vms_decc.opt/opt
  $ link/exe=halo.exe         screenhack,halo,vms_decc.opt/opt
  $ link/exe=helix.exe        screenhack,helix,vms_decc.opt/opt
  $ link/exe=greynetic        screenhack,greynetic,vms_decc.opt/opt
  $ link/exe=halo.exe         screenhack,halo,vms_decc.opt/opt
  $ link/exe=helix.exe        screenhack,helix,vms_decc.opt/opt
-$ link/exe=hopalong.exe     screenhack-xlock,hopalong,xlockmore,vms_decc.opt/opt
+$ link/exe=hop.exe          screenhack-xlock,hop,xlockmore,vms_decc.opt/opt
  $ link/exe=hypercube.exe    screenhack,hypercube,vms_decc.opt/opt
  $ link/exe=ifs.exe          screenhack-xlock,ifs,xlockmore,vms_decc.opt/opt
  $ link/exe=imsmap.exe       screenhack,imsmap,vms_decc.opt/opt
  $ link/exe=hypercube.exe    screenhack,hypercube,vms_decc.opt/opt
  $ link/exe=ifs.exe          screenhack-xlock,ifs,xlockmore,vms_decc.opt/opt
  $ link/exe=imsmap.exe       screenhack,imsmap,vms_decc.opt/opt
diff --git a/hacks/lisa.c b/hacks/lisa.c

index af680ea2057e4a3e4ff80c174011fc38943c659a..63d7d8371077331a85466ff9bc132eb4c0625c18 100644 (file)
--- a/hacks/lisa.c
+++ b/hacks/lisa.c
@@ -2,10 +2,12 @@
  /* lisa --- animated full-loop lisajous figures */
  
  #if !defined( lint ) && !defined( SABER )
  /* lisa --- animated full-loop lisajous figures */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)lisa.c       4.04 97/07/28 xlockmore";
+static const char sccsid[] = "@(#)lisa.c       5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1997 by Caleb Cullen.
+/*-
+ * Copyright (c) 1997 by Caleb Cullen.
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -20,9 +22,10 @@ static const char sccsid[] = "@(#)lisa.c     4.04 97/07/28 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: Compatible with xscreensaver
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
   *
   *
- * The inspiration for this program, Lasp, was written by Adam B. Roach 
+ * The inspiration for this program, Lasp, was written by Adam B. Roach
   * in 1990, assisted by me, Caleb Cullen.  It was written first in C, then
   * in assembly, and used pre-calculated data tables to graph lisajous
   * figures on 386 machines and lower.  This version bears only superficial
   * in 1990, assisted by me, Caleb Cullen.  It was written first in C, then
   * in assembly, and used pre-calculated data tables to graph lisajous
   * figures on 386 machines and lower.  This version bears only superficial
@@ -34,46 +37,57 @@ static const char sccsid[] = "@(#)lisa.c    4.04 97/07/28 xlockmore";
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Lisa"
-# define HACK_INIT                                     init_lisa
-# define HACK_DRAW                                     draw_lisa
-# define lisa_opts                                     xlockmore_opts
-# define DEFAULTS      "*delay:                25000   \n"                     \
-                                       "*count:                1       \n"                     \
-                                       "*cycles:               256     \n"                     \
-                                       "*size:                 -1      \n"                     \
-                                       "*ncolors:              200     \n"
-# define UNIFORM_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-  void refresh_lisa(ModeInfo * mi);
-  void change_lisa(ModeInfo * mi);
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
+#define MODE_lisa
+#define PROGCLASS "Lisa"
+#define HACK_INIT init_lisa
+#define HACK_DRAW draw_lisa
+#define lisa_opts xlockmore_opts
+#define DEFAULTS "*delay: 25000 \n" \
+ "*count: 1 \n" \
+ "*cycles: 256 \n" \
+ "*size: -1 \n" \
+ "*ncolors: 200 \n"
+#define UNIFORM_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+
+#endif /* STANDALONE */
+
+#ifdef MODE_lisa
  
  #define  DEF_ADDITIVE     "True"
  
  static Bool additive;
  
  
  #define  DEF_ADDITIVE     "True"
  
  static Bool additive;
  
-static XrmOptionDescRec lisa_xrm_opts[] =
+static XrmOptionDescRec opts[] =
  {
  {
-       {"-additive", ".lisa.additive", XrmoptionNoArg, (caddr_t) "True"},
-       {"+additive", ".lisa.additive", XrmoptionNoArg, (caddr_t) "False"}
+       {(char *) "-additive", (char *) ".lisa.additive", XrmoptionNoArg, (caddr_t) "True"},
+       {(char *) "+additive", (char *) ".lisa.additive", XrmoptionNoArg, (caddr_t) "False"}
  };
  
  };
  
-static argtype lisa_vars[] =
+static argtype vars[] =
  {
  {
-       {(caddr_t *) & additive, "additive", "Additive", DEF_ADDITIVE, t_Bool}
+       {(caddr_t *) & additive, (char *) "additive", (char *) "Additive", (char *) DEF_ADDITIVE, t_Bool}
  };
  
  };
  
-static OptionStruct lisa_vars_desc[] =
+static OptionStruct desc[] =
  {
  {
-       {"-/+additive", "turn on/off additive functions mode"}
+       {(char *) "-/+additive", (char *) "turn on/off additive functions mode"}
  };
  
  ModeSpecOpt lisa_opts =
  };
  
  ModeSpecOpt lisa_opts =
-{2, lisa_xrm_opts, 1, lisa_vars, lisa_vars_desc};
+{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
+
+#ifdef USE_MODULES
+ModStruct   lisa_description =
+{"lisa", "init_lisa", "draw_lisa", "release_lisa",
+ "refresh_lisa", "change_lisa", (char *) NULL, &lisa_opts,
+ 25000, 1, 256, -1, 64, 1.0, "",
+ "Shows animated lisajous loops", 0, NULL};
  
  
+#endif
  
  #define  DRAWLINES    1
  #define  TWOLOOPS     1
  
  #define  DRAWLINES    1
  #define  TWOLOOPS     1
@@ -82,12 +96,12 @@ ModeSpecOpt lisa_opts =
  #define  LISAMAXFUNCS 2
  #define  NUMSTDFUNCS  10
  #define  MAXCYCLES    3
  #define  LISAMAXFUNCS 2
  #define  NUMSTDFUNCS  10
  #define  MAXCYCLES    3
-#define  MINLISAS 1
+#define  MINLISAS     1
  #define  lisasetcolor() \
  if (MI_NPIXELS(mi) > 2) { \
    XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_PIXEL(mi, loop->color)); \
  #define  lisasetcolor() \
  if (MI_NPIXELS(mi) > 2) { \
    XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_PIXEL(mi, loop->color)); \
-  if (++(loop->color) >= MI_NPIXELS(mi)) { loop->color=0; } \
-  } else { XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_WIN_WHITE_PIXEL(mi)); }
+  if (++(loop->color) >= (unsigned) MI_NPIXELS(mi)) { loop->color=0; } \
+  } else { XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_WHITE_PIXEL(mi)); }
  #define getRadius(context) \
    ((context->width > context->height)?context->height:context->width) * 3 / 8
  #define checkRadius(loop, context) \
  #define getRadius(context) \
    ((context->width > context->height)?context->height:context->width) * 3 / 8
  #define checkRadius(loop, context) \
@@ -105,19 +119,22 @@ typedef struct lisafunc_struct {
  } lisafuncs;
  
  typedef struct lisa_struct {
  } lisafuncs;
  
  typedef struct lisa_struct {
-       int         radius, color, dx, dy, nsteps, nfuncs, melting;
+       unsigned long color;
+       int         radius, dx, dy, nsteps, nfuncs, melting;
         double      pistep, phi, theta;
         XPoint      center, *lastpoint;
         lisafuncs  *function[LISAMAXFUNCS];
         double      pistep, phi, theta;
         XPoint      center, *lastpoint;
         lisafuncs  *function[LISAMAXFUNCS];
+       int         linewidth;
  } lisas;
  
  typedef struct lisacontext_struct {
         lisas      *lisajous;
         int         width, height, nlisajous, loopcount;
         int         maxcycles;
  } lisas;
  
  typedef struct lisacontext_struct {
         lisas      *lisajous;
         int         width, height, nlisajous, loopcount;
         int         maxcycles;
+       Bool        painted;
  } lisacons;
  
  } lisacons;
  
-static lisacons *Lisa = NULL;
+static lisacons *Lisa = (lisacons *) NULL;
  
  static lisafuncs Function[NUMSTDFUNCS] =
  {
  
  static lisafuncs Function[NUMSTDFUNCS] =
  {
@@ -154,6 +171,20 @@ static lisafuncs Function[NUMSTDFUNCS] =
  };
  
  static void
  };
  
  static void
+free_lisa(lisacons *lc)
+{
+       while (lc->lisajous) {
+               int    lctr;
+
+               for (lctr = 0; lctr < lc->nlisajous; lctr++) {
+                       (void) free((void *) lc->lisajous[lctr].lastpoint);
+               }
+               (void) free((void *) lc->lisajous);
+               lc->lisajous = (lisas *) NULL;
+       }
+}
+
+static Bool
  drawlisa(ModeInfo * mi, lisas * loop)
  {
         XPoint     *np;
  drawlisa(ModeInfo * mi, lisas * loop)
  {
         XPoint     *np;
@@ -165,7 +196,10 @@ drawlisa(ModeInfo * mi, lisas * loop)
         double      xprod, yprod, xsum, ysum;
  
         /* Allocate the np array */
         double      xprod, yprod, xsum, ysum;
  
         /* Allocate the np array */
-       np = (XPoint *) calloc(loop->nsteps, sizeof (XPoint));
+       if ((np = (XPoint *) calloc(loop->nsteps, sizeof (XPoint))) == NULL) {
+               free_lisa(lc);
+               return False;
+       }
  
         /* Update the center */
         loop->center.x += loop->dx;
  
         /* Update the center */
         loop->center.x += loop->dx;
@@ -204,42 +238,31 @@ drawlisa(ModeInfo * mi, lisas * loop)
                                         yprod += sin(lf[fctr]->ycoeff[yctr] * loop->phi);
                                 if (loop->melting) {
                                         if (fctr) {
                                         yprod += sin(lf[fctr]->ycoeff[yctr] * loop->phi);
                                 if (loop->melting) {
                                         if (fctr) {
-                                               xsum += xprod \
-                                                       *(double) (loop->nsteps - loop->melting) \
-                                                       /(double) loop->nsteps;
-                                               ysum += yprod \
-                                                       *(double) (loop->nsteps - loop->melting) \
-                                                       /(double) loop->nsteps;
+                                               xsum += xprod * (double) (loop->nsteps - loop->melting) /
+                                                       (double) loop->nsteps;
+                                               ysum += yprod * (double) (loop->nsteps - loop->melting) /
+                                                       (double) loop->nsteps;
                                         } else {
                                         } else {
-                                               xsum += xprod \
-                                                       *(double) loop->melting \
-                                                       /(double) loop->nsteps;
-                                               ysum += yprod \
-                                                       *(double) loop->melting \
-                                                       /(double) loop->nsteps;
+                                               xsum += xprod * (double) loop->melting / (double) loop->nsteps;
+                                               ysum += yprod * (double) loop->melting / (double) loop->nsteps;
                                         }
                                 } else {
                                         xsum = xprod;
                                         ysum = yprod;
                                 }
                                 if (!fctr) {
                                         }
                                 } else {
                                         xsum = xprod;
                                         ysum = yprod;
                                 }
                                 if (!fctr) {
-                                       xsum = xsum \
-                                               *(double) loop->radius \
-                                               /(double) lf[fctr]->nx;
-                                       ysum = ysum \
-                                               *(double) loop->radius \
-                                               /(double) lf[fctr]->ny;
+                                       xsum = xsum * (double) loop->radius / (double) lf[fctr]->nx;
+                                       ysum = ysum * (double) loop->radius / (double) lf[fctr]->ny;
                                 }
                         } else {
                                 if (loop->melting) {
                                         if (fctr) {
                                 }
                         } else {
                                 if (loop->melting) {
                                         if (fctr) {
-                                               yprod = xprod = (double) loop->radius \
-                                                       *(double) (loop->nsteps - loop->melting) \
-                                                       /(double) (loop->nsteps);
+                                               yprod = xprod = (double) loop->radius *
+                                                       (double) (loop->nsteps - loop->melting) /
+                                                       (double) (loop->nsteps);
                                         } else {
                                         } else {
-                                               yprod = xprod = (double) loop->radius \
-                                                       *(double) (loop->melting) \
-                                                       /(double) (loop->nsteps);
+                                               yprod = xprod = (double) loop->radius *
+                                                       (double) (loop->melting) / (double) (loop->nsteps);
                                         }
                                 } else {
                                         xprod = yprod = (double) loop->radius;
                                         }
                                 } else {
                                         xprod = yprod = (double) loop->radius;
@@ -271,40 +294,45 @@ drawlisa(ModeInfo * mi, lisas * loop)
         for (pctr = 0; pctr < loop->nsteps; pctr++) {
  
  #if defined DRAWLINES
         for (pctr = 0; pctr < loop->nsteps; pctr++) {
  
  #if defined DRAWLINES
+               XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), loop->linewidth,
+                                  LineSolid, CapProjecting, JoinMiter);
                 /* erase the last cycle's point */
                 /* erase the last cycle's point */
-               XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_WIN_BLACK_PIXEL(mi));
-               XDrawLine(MI_DISPLAY(mi), MI_WINDOW(mi), \
-                         MI_GC(mi), lp[pctr].x, lp[pctr].y, \
-                         lp[(pctr + 1) % loop->nsteps].x, \
+               XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_BLACK_PIXEL(mi));
+               XDrawLine(MI_DISPLAY(mi), MI_WINDOW(mi),
+                         MI_GC(mi), lp[pctr].x, lp[pctr].y,
+                         lp[(pctr + 1) % loop->nsteps].x,
                           lp[(pctr + 1) % loop->nsteps].y);
  
                 /* Set the new color */
                 lisasetcolor();
  
                 /* plot this cycle's point */
                           lp[(pctr + 1) % loop->nsteps].y);
  
                 /* Set the new color */
                 lisasetcolor();
  
                 /* plot this cycle's point */
-               XDrawLine(MI_DISPLAY(mi), MI_WINDOW(mi), \
-                         MI_GC(mi), np[pctr].x, np[pctr].y, \
-                         np[(pctr + 1) % loop->nsteps].x, \
+               XDrawLine(MI_DISPLAY(mi), MI_WINDOW(mi),
+                         MI_GC(mi), np[pctr].x, np[pctr].y,
+                         np[(pctr + 1) % loop->nsteps].x,
                           np[(pctr + 1) % loop->nsteps].y);
                           np[(pctr + 1) % loop->nsteps].y);
+               XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), 1,
+                                  LineSolid, CapProjecting, JoinMiter);
  #else
                 /* erase the last cycle's point */
  #else
                 /* erase the last cycle's point */
-               XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_WIN_BLACK_PIXEL(mi));
-               XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), \
+               XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_BLACK_PIXEL(mi));
+               XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi),
                            MI_GC(mi), lp[pctr].x, lp[pctr].y);
  
                 /* Set the new color */
                 lisasetcolor();
  
                 /* plot this cycle's point */
                            MI_GC(mi), lp[pctr].x, lp[pctr].y);
  
                 /* Set the new color */
                 lisasetcolor();
  
                 /* plot this cycle's point */
-               XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), \
+               XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi),
                            MI_GC(mi), np[pctr].x, np[pctr].y);
  #endif
         }
         (void) free((void *) lp);
         loop->lastpoint = np;
                            MI_GC(mi), np[pctr].x, np[pctr].y);
  #endif
         }
         (void) free((void *) lp);
         loop->lastpoint = np;
+       return True;
  }
  
  }
  
-static void
+static Bool 
  initlisa(ModeInfo * mi, lisas * loop)
  {
         lisacons   *lc = &Lisa[MI_SCREEN(mi)];
  initlisa(ModeInfo * mi, lisas * loop)
  {
         lisacons   *lc = &Lisa[MI_SCREEN(mi)];
@@ -316,7 +344,7 @@ initlisa(ModeInfo * mi, lisas * loop)
         if (MI_NPIXELS(mi) > 2) {
                 loop->color = 0;
         } else
         if (MI_NPIXELS(mi) > 2) {
                 loop->color = 0;
         } else
-               loop->color = MI_WIN_WHITE_PIXEL(mi);
+               loop->color = MI_WHITE_PIXEL(mi);
         loop->nsteps = MI_CYCLES(mi);
         if (loop->nsteps == 0)
                 loop->nsteps = 1;
         loop->nsteps = MI_CYCLES(mi);
         if (loop->nsteps == 0)
                 loop->nsteps = 1;
@@ -326,7 +354,7 @@ initlisa(ModeInfo * mi, lisas * loop)
         loop->pistep = 2.0 * M_PI / (double) loop->nsteps;
         loop->center.x = lc->width / 2;
         loop->center.y = lc->height / 2;
         loop->pistep = 2.0 * M_PI / (double) loop->nsteps;
         loop->center.x = lc->width / 2;
         loop->center.y = lc->height / 2;
-       loop->radius = MI_SIZE(mi);
+       loop->radius = (int) MI_SIZE(mi);
         checkRadius(loop, lc);
         loop->dx = NRAND(XVMAX);
         loop->dy = NRAND(YVMAX);
         checkRadius(loop, lc);
         loop->dx = NRAND(XVMAX);
         loop->dy = NRAND(YVMAX);
@@ -334,8 +362,10 @@ initlisa(ModeInfo * mi, lisas * loop)
         loop->dy++;
         lf[0] = &Function[lc->loopcount % NUMSTDFUNCS];
         if ((lp = loop->lastpoint = (XPoint *)
         loop->dy++;
         lf[0] = &Function[lc->loopcount % NUMSTDFUNCS];
         if ((lp = loop->lastpoint = (XPoint *)
-            calloc(loop->nsteps, sizeof (XPoint))) == NULL)
-               return;
+            calloc(loop->nsteps, sizeof (XPoint))) == NULL) {
+               free_lisa(lc);
+               return False;
+       }
         phase = lc->loopcount % loop->nsteps;
  
         for (pctr = 0; pctr < loop->nsteps; pctr++) {
         phase = lc->loopcount % loop->nsteps;
  
         for (pctr = 0; pctr < loop->nsteps; pctr++) {
@@ -364,122 +394,156 @@ initlisa(ModeInfo * mi, lisas * loop)
                 lp[pctr].x = (int) ceil(xsum);
                 lp[pctr].y = (int) ceil(ysum);
         }
                 lp[pctr].x = (int) ceil(xsum);
                 lp[pctr].y = (int) ceil(ysum);
         }
+#if defined DRAWLINES
+       {
+               loop->linewidth = -8;   /* #### make this a resource */
+
+               if (loop->linewidth == 0)
+                       loop->linewidth = 1;
+               if (loop->linewidth < 0)
+                       loop->linewidth = NRAND(-loop->linewidth) + 1;
+               XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), loop->linewidth,
+                                  LineSolid, CapProjecting, JoinMiter);
+       }
+#endif
         for (pctr = 0; pctr < loop->nsteps; pctr++) {
                 /* Set the color */
                 lisasetcolor();
  #if defined DRAWLINES
         for (pctr = 0; pctr < loop->nsteps; pctr++) {
                 /* Set the color */
                 lisasetcolor();
  #if defined DRAWLINES
-               XDrawLine(MI_DISPLAY(mi), MI_WINDOW(mi), \
-                         MI_GC(mi), lp[pctr].x, lp[pctr].y, \
-                         lp[(pctr + 1) % loop->nsteps].x, \
+               XDrawLine(MI_DISPLAY(mi), MI_WINDOW(mi),
+                         MI_GC(mi), lp[pctr].x, lp[pctr].y,
+                         lp[(pctr + 1) % loop->nsteps].x,
                           lp[(pctr + 1) % loop->nsteps].y);
  #else
                           lp[(pctr + 1) % loop->nsteps].y);
  #else
-               XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi), \
+               XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
                            lp[pctr].x, lp[pctr].y);
  #endif
         }
                            lp[pctr].x, lp[pctr].y);
  #endif
         }
+#if defined DRAWLINES
+       XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), 1,
+                          LineSolid, CapProjecting, JoinMiter);
+#endif
+       return True;
+}
  
  
-       {
-         int line_width = -15;  /* #### make this a resource */
-         if (line_width == 0)
-               line_width = -8;
-         if (line_width < 0)
-               line_width = NRAND(-line_width)+1;
-         XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), line_width,
-                                                LineSolid, CapProjecting, JoinMiter);
+static void
+refreshlisa(ModeInfo * mi)
+{
+       lisacons   *lc = &Lisa[MI_SCREEN(mi)];
+       int         lctr;
+
+       for (lctr = 0; lctr < lc->nlisajous; lctr++) {
+               if (!drawlisa(mi, &lc->lisajous[lctr]))
+                       return;
         }
  }
  
  void
         }
  }
  
  void
-init_lisa(ModeInfo * mi)
+refresh_lisa(ModeInfo * mi)
  {
         lisacons   *lc;
  {
         lisacons   *lc;
+
+       if (Lisa == NULL)
+               return;
+       lc = &Lisa[MI_SCREEN(mi)];
+       if (lc->lisajous == NULL)
+               return;
+
+       if (lc->painted) {
+               lc->painted = False;
+               MI_CLEARWINDOW(mi);
+               refreshlisa(mi);
+       }
+}
+
+void
+change_lisa(ModeInfo * mi)
+{
+       lisas      *loop;
+       int         lctr;
+       lisacons   *lc;
+
+       if (Lisa == NULL)
+               return;
+       lc = &Lisa[MI_SCREEN(mi)];
+       if (lc->lisajous == NULL)
+               return;
+
+       lc->loopcount = 0;
+       for (lctr = 0; lctr < lc->nlisajous; lctr++) {
+               loop = &lc->lisajous[lctr];
+               loop->function[1] = &Function[(loop->function[0]->index + 1) %
+                                             NUMSTDFUNCS];
+               loop->melting = loop->nsteps - 1;
+               loop->nfuncs = 2;
+       }
+}
+
+void
+init_lisa(ModeInfo * mi)
+{
         int         lctr;
         int         lctr;
+       lisacons   *lc;
  
         if (Lisa == NULL) {
  
         if (Lisa == NULL) {
-               if ((Lisa = (lisacons *) calloc(MI_NUM_SCREENS(mi), sizeof (lisacons))) \
-                   == NULL)
+               if ((Lisa = (lisacons *) calloc(MI_NUM_SCREENS(mi),
+                                sizeof (lisacons))) == NULL)
                         return;
         }
         lc = &Lisa[MI_SCREEN(mi)];
                         return;
         }
         lc = &Lisa[MI_SCREEN(mi)];
-       lc->width = MI_WIN_WIDTH(mi);
-       lc->height = MI_WIN_HEIGHT(mi);
+       lc->width = MI_WIDTH(mi);
+       lc->height = MI_HEIGHT(mi);
         lc->loopcount = 0;
         lc->loopcount = 0;
-       lc->nlisajous = MI_BATCHCOUNT(mi);
+       lc->nlisajous = MI_COUNT(mi);
         if (lc->nlisajous <= 0)
                 lc->nlisajous = 1;
         if (lc->nlisajous <= 0)
                 lc->nlisajous = 1;
+       MI_CLEARWINDOW(mi);
+       lc->painted = False;
  
         if (lc->lisajous == NULL) {
  
         if (lc->lisajous == NULL) {
-               if ((lc->lisajous = (lisas *) calloc(lc->nlisajous, sizeof (lisas))) \
-                   == NULL)
+               if ((lc->lisajous = (lisas *) calloc(lc->nlisajous,
+                               sizeof (lisas))) == NULL)
                         return;
                         return;
-               XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
                 for (lctr = 0; lctr < lc->nlisajous; lctr++) {
                 for (lctr = 0; lctr < lc->nlisajous; lctr++) {
-                       initlisa(mi, &lc->lisajous[lctr]);
+                       if (!initlisa(mi, &lc->lisajous[lctr]))
+                               return;
                         lc->loopcount++;
                 }
         } else {
                         lc->loopcount++;
                 }
         } else {
-               refresh_lisa(mi);
+               refreshlisa(mi);
         }
         }
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
  }
  
  void
  draw_lisa(ModeInfo * mi)
  {
  }
  
  void
  draw_lisa(ModeInfo * mi)
  {
-       lisacons   *lc = &Lisa[MI_SCREEN(mi)];
+       lisacons   *lc;
  
  
+       if (Lisa == NULL)
+               return;
+       lc = &Lisa[MI_SCREEN(mi)];
+       if (lc->lisajous == NULL)
+               return;
+
+       MI_IS_DRAWN(mi) = True;
+       lc->painted = True;
         if (++lc->loopcount > lc->maxcycles) {
                 change_lisa(mi);
         }
         if (++lc->loopcount > lc->maxcycles) {
                 change_lisa(mi);
         }
-       refresh_lisa(mi);
-}
-
-void
-refresh_lisa(ModeInfo * mi)
-{
-       lisacons   *lc = &Lisa[MI_SCREEN(mi)];
-       int         lctr;
-
-       for (lctr = 0; lctr < lc->nlisajous; lctr++) {
-               drawlisa(mi, &lc->lisajous[lctr]);
-       }
+       refreshlisa(mi);
  }
  
  void
  release_lisa(ModeInfo * mi)
  {
  }
  
  void
  release_lisa(ModeInfo * mi)
  {
-       lisacons   *lc;
-       int         lctr, sctr;
-
         if (Lisa) {
         if (Lisa) {
-               for (sctr = 0; sctr < MI_NUM_SCREENS(mi); sctr++) {
-                       lc = &Lisa[sctr];
-                       while (lc->lisajous) {
-                               for (lctr = 0; lctr < lc->nlisajous; lctr++) {
-                                       (void) free(lc->lisajous[lctr].lastpoint);
-                               }
-                               (void) free(lc->lisajous);
-                               lc->lisajous = NULL;
-                       }
-               }
+               int    screen;
+
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_lisa(&Lisa[screen]);
                 (void) free(Lisa);
                 (void) free(Lisa);
-               Lisa = NULL;
+               Lisa = (lisacons *) NULL;
         }
  }
  
         }
  }
  
-void
-change_lisa(ModeInfo * mi)
-{
-       lisacons   *lc = &Lisa[MI_SCREEN(mi)];
-       lisas      *loop;
-       int         lctr;
-
-       lc->loopcount = 0;
-       for (lctr = 0; lctr < lc->nlisajous; lctr++) {
-               loop = &lc->lisajous[lctr];
-               loop->function[1] = &Function[(loop->function[0]->index + 1) %
-                                             NUMSTDFUNCS];
-               loop->melting = loop->nsteps - 1;
-               loop->nfuncs = 2;
-       }
-}
+#endif /* MODE_lisa */
diff --git a/hacks/lissie.c b/hacks/lissie.c

index 2a8fafacb0ca5e1b6cad8ff4f8a22a0fe38d476a..1f2e7c150b32cfeecf906f7fea101c19206f0e06 100644 (file)
--- a/hacks/lissie.c
+++ b/hacks/lissie.c
@@ -2,7 +2,8 @@
  /* lissie --- the Lissajous worm */
  
  #if !defined( lint ) && !defined( SABER )
  /* lissie --- the Lissajous worm */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)lissie.c     4.04 97/07/28 xlockmore";
+static const char sccsid[] = "@(#)lissie.c     5.00 2000/11/01 xlockmore";
+
  #endif
  
  /*-
  #endif
  
  /*-
@@ -24,29 +25,42 @@ static const char sccsid[] = "@(#)lissie.c  4.04 97/07/28 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: Compatible with xscreensaver
- * 18-Aug-96: added refresh-hook.
- * 01-May-96: written.
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 18-Aug-1996: added refresh-hook.
+ * 01-May-1996: written.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS "Lissie"
-# define HACK_INIT init_lissie
-# define HACK_DRAW draw_lissie
-# define lissie_opts xlockmore_opts
-# define DEFAULTS      "*delay:   10000 \n"    \
-                                       "*count:   1     \n"    \
-                                       "*cycles:  2000  \n"    \
-                                       "*size:   -200   \n"    \
-                                       "*ncolors: 64    \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                /* in xscreensaver distribution */
+#define MODE_lissie
+#define PROGCLASS "Lissie"
+#define HACK_INIT init_lissie
+#define HACK_DRAW draw_lissie
+#define lissie_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+ "*count: 1 \n" \
+ "*cycles: 20000 \n" \
+ "*size: -200 \n" \
+ "*ncolors: 200 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
  #else /* STANDALONE */
  #else /* STANDALONE */
-# include "xlock.h"            /* in xlockmore distribution */
+#include "xlock.h"             /* in xlockmore distribution */
  #endif /* STANDALONE */
  
  #endif /* STANDALONE */
  
+#ifdef MODE_lissie
+
  ModeSpecOpt lissie_opts =
  ModeSpecOpt lissie_opts =
-{0, NULL, 0, NULL, NULL};
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   lissie_description =
+{"lissie", "init_lissie", "draw_lissie", "release_lissie",
+ "refresh_lissie", "init_lissie", (char *) NULL, &lissie_opts,
+ 10000, 1, 2000, -200, 64, 0.6, "",
+ "Shows lissajous worms", 0, NULL};
+
+#endif
  
  #define MINSIZE 1
  
  
  #define MINSIZE 1
  
@@ -81,17 +95,18 @@ typedef struct {
         int         xi, yi, ri, rx, ry, len, pos;
         int         redrawing, redrawpos;
         XPoint      loc[MAXLISSIELEN];
         int         xi, yi, ri, rx, ry, len, pos;
         int         redrawing, redrawpos;
         XPoint      loc[MAXLISSIELEN];
-       int         color;
+       unsigned long color;
  } lissiestruct;
  
  typedef struct {
  } lissiestruct;
  
  typedef struct {
+       Bool        painted;
         int         width, height;
         int         nlissies;
         lissiestruct *lissie;
         int         loopcount;
  } lissstruct;
  
         int         width, height;
         int         nlissies;
         lissiestruct *lissie;
         int         loopcount;
  } lissstruct;
  
-static lissstruct *lisses = NULL;
+static lissstruct *lisses = (lissstruct *) NULL;
  
  
  static void
  
  
  static void
@@ -127,16 +142,16 @@ drawlissie(ModeInfo * mi, lissiestruct * lissie)
         lissie->loc[p].y = lissie->yi + (int) (sin(lissie->ty) * lissie->ry);
  
         /* Mask */
         lissie->loc[p].y = lissie->yi + (int) (sin(lissie->ty) * lissie->ry);
  
         /* Mask */
-       XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+       XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
         Lissie(oldp);
  
         /* Redraw */
         if (MI_NPIXELS(mi) > 2) {
                 XSetForeground(display, gc, MI_PIXEL(mi, lissie->color));
         Lissie(oldp);
  
         /* Redraw */
         if (MI_NPIXELS(mi) > 2) {
                 XSetForeground(display, gc, MI_PIXEL(mi, lissie->color));
-               if (++lissie->color >= MI_NPIXELS(mi))
+               if (++lissie->color >= (unsigned) MI_NPIXELS(mi))
                         lissie->color = 0;
         } else
                         lissie->color = 0;
         } else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         Lissie(p);
         if (lissie->redrawing) {
                 int         i;
         Lissie(p);
         if (lissie->redrawing) {
                 int         i;
@@ -165,7 +180,7 @@ initlissie(ModeInfo * mi, lissiestruct * lissie)
         if (MI_NPIXELS(mi) > 2)
                 lissie->color = NRAND(MI_NPIXELS(mi));
         else
         if (MI_NPIXELS(mi) > 2)
                 lissie->color = NRAND(MI_NPIXELS(mi));
         else
-               lissie->color = MI_WIN_WHITE_PIXEL(mi);
+               lissie->color = MI_WHITE_PIXEL(mi);
         /* Initialize parameters */
         if (size < -MINSIZE)
                 lissie->ri = NRAND(MIN(-size, MAX(MINSIZE,
         /* Initialize parameters */
         if (size < -MINSIZE)
                 lissie->ri = NRAND(MIN(-size, MAX(MINSIZE,
@@ -214,14 +229,14 @@ init_lissie(ModeInfo * mi)
         }
         lp = &lisses[MI_SCREEN(mi)];
  
         }
         lp = &lisses[MI_SCREEN(mi)];
  
-       lp->width = MI_WIN_WIDTH(mi);
-       lp->height = MI_WIN_HEIGHT(mi);
+       lp->width = MI_WIDTH(mi);
+       lp->height = MI_HEIGHT(mi);
  
  
-       lp->nlissies = MI_BATCHCOUNT(mi);
+       lp->nlissies = MI_COUNT(mi);
         if (lp->nlissies < -MINLISSIES) {
                 if (lp->lissie) {
                         (void) free((void *) lp->lissie);
         if (lp->nlissies < -MINLISSIES) {
                 if (lp->lissie) {
                         (void) free((void *) lp->lissie);
-                       lp->lissie = NULL;
+                       lp->lissie = (lissiestruct *) NULL;
                 }
                 lp->nlissies = NRAND(-lp->nlissies - MINLISSIES + 1) + MINLISSIES;
         } else if (lp->nlissies < MINLISSIES)
                 }
                 lp->nlissies = NRAND(-lp->nlissies - MINLISSIES + 1) + MINLISSIES;
         } else if (lp->nlissies < MINLISSIES)
@@ -229,9 +244,14 @@ init_lissie(ModeInfo * mi)
  
         lp->loopcount = 0;
  
  
         lp->loopcount = 0;
  
-       if (!lp->lissie)
-               lp->lissie = (lissiestruct *) calloc(lp->nlissies, sizeof (lissiestruct));
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       if (lp->lissie == NULL)
+               if ((lp->lissie = (lissiestruct *) calloc(lp->nlissies,
+                               sizeof (lissiestruct))) == NULL)
+                       return;
+
+       MI_CLEARWINDOW(mi);
+       lp->painted = False;
+
         for (ball = 0; ball < (unsigned char) lp->nlissies; ball++)
                 initlissie(mi, &lp->lissie[ball]);
  
         for (ball = 0; ball < (unsigned char) lp->nlissies; ball++)
                 initlissie(mi, &lp->lissie[ball]);
  
@@ -240,14 +260,24 @@ init_lissie(ModeInfo * mi)
  void
  draw_lissie(ModeInfo * mi)
  {
  void
  draw_lissie(ModeInfo * mi)
  {
-       lissstruct *lp = &lisses[MI_SCREEN(mi)];
         register unsigned char ball;
         register unsigned char ball;
+       lissstruct *lp;
+
+       if (lisses == NULL)
+               return;
+       lp = &lisses[MI_SCREEN(mi)];
+       if (lp->lissie == NULL)
+               return;
+
+       MI_IS_DRAWN(mi) = True;
  
  
-       if (++lp->loopcount > MI_CYCLES(mi))
+       if (++lp->loopcount > MI_CYCLES(mi)) {
                 init_lissie(mi);
                 init_lissie(mi);
-       else
+       } else {
+               lp->painted = True;
                 for (ball = 0; ball < (unsigned char) lp->nlissies; ball++)
                         drawlissie(mi, &lp->lissie[ball]);
                 for (ball = 0; ball < (unsigned char) lp->nlissies; ball++)
                         drawlissie(mi, &lp->lissie[ball]);
+       }
  }
  
  void
  }
  
  void
@@ -259,26 +289,35 @@ release_lissie(ModeInfo * mi)
                 for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
                         lissstruct *lp = &lisses[screen];
  
                 for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
                         lissstruct *lp = &lisses[screen];
  
-                       if (lp->lissie) {
+                       if (lp->lissie != NULL) {
                                 (void) free((void *) lp->lissie);
                                 (void) free((void *) lp->lissie);
-                               lp->lissie = NULL;
+                               /* lp->lissie = NULL; */
                         }
                 }
                 (void) free((void *) lisses);
                         }
                 }
                 (void) free((void *) lisses);
-               lisses = NULL;
+               lisses = (lissstruct *) NULL;
         }
  }
  
  void
  refresh_lissie(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_lissie(ModeInfo * mi)
  {
-       if (lisses != NULL) {
-               lissstruct *lp = &lisses[MI_SCREEN(mi)];
-               int         i;
+       int         i;
+       lissstruct *lp;
  
  
+       if (lisses == NULL)
+               return;
+       lp = &lisses[MI_SCREEN(mi)];
+       if (lp->lissie == NULL)
+               return;
+
+       if (lp->painted) {
+               MI_CLEARWINDOW(mi);
                 for (i = 0; i < lp->nlissies; i++) {
                         lp->lissie[i].redrawing = 1;
                         lp->lissie[i].redrawpos = 0;
                 }
         }
  }
                 for (i = 0; i < lp->nlissies; i++) {
                         lp->lissie[i].redrawing = 1;
                         lp->lissie[i].redrawpos = 0;
                 }
         }
  }
+
+#endif /* MODE_lissie */
diff --git a/hacks/loop.c b/hacks/loop.c

index c7280eaa936e3c92fbe0d5664ec6846124db629f..04419801919d5681feb0379b49a574964022e3aa 100644 (file)
--- a/hacks/loop.c
+++ b/hacks/loop.c
@@ -2,7 +2,7 @@
  /* loop --- Chris Langton's self-producing loops */
  
  #if !defined( lint ) && !defined( SABER )
  /* loop --- Chris Langton's self-producing loops */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)loop.c       4.13 98/10/18 xlockmore";
+static const char sccsid[] = "@(#)loop.c       5.01 2000/03/15 xlockmore";
  
  #endif
  
  
  #endif
  
@@ -22,20 +22,35 @@ static const char sccsid[] = "@(#)loop.c    4.13 98/10/18 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 18-Oct-98: Started creating a hexagon version, probably will not work
- *            for a while since some work has to go into getting not
- *            only the program to handle the hexagonal data but the loop
- *            has to be "programmed" as well.  I suspect it should be easier
- *            than the original since the loop will have six sides to
- *            store its genes (data).
- * 10-May-97: Compatible with xscreensaver
- * 15-Nov-95: Coded from Chris Langton's Self-Reproduction in Cellular
- *            Automata Physica 10D 135-144 1984
- *            also used wire.c as a guide.
+ * 15-Mar-2001: Added some flaws, random blue wall spots, to liven it up.
+ *              This mod seems to expose a bug where hexagons are erased
+ *              for no apparent reason.
+ * 01-Nov-2000: Allocation checks
+ * 16-Jun-2000: Fully coded the hexagonal rules.  (Rules that end up in
+ *              state zero were not bothered with since a calloc was used
+ *              to set non-explicit rules to zero.  This allows the
+ *              compile-time option RAND_RULES to work here (at least to
+ *              generation 540).)
+ *              Also added compile-time option DELAYDEBUGLOOP for debugging
+ *              life form.  This also turns off the random initial direction
+ *              of the loop.  Set DELAYDEBUGLOOP to be 10 and use with
+ *              something like this:
+ *       xlock -mode loop -neighbors 6 -size 5 -delay 1 -count 540 -nolock
+ * 18-Oct-1998: Started creating a hexagon version.
+ *              It proved not that difficult because I used Langton's Loop
+ *              as a guide, hexagons have more neighbors so there is more
+ *              freedom to program, and the loop will has six sides to
+ *              store its genes (data).
+ *              (Soon after this a triangular version with neighbors = 6
+ *              was attempted but was unsuccessful).
+ * 10-May-1997: Compatible with xscreensaver
+ * 15-Nov-1995: Coded from Chris Langton's Self-Reproduction in Cellular
+ *              Automata Physica 10D 135-144 1984, also used wire.c as a
+ *              guide.
   */
  
  /*-
   */
  
  /*-
-  Grid     Number of Neigbors
+  Grid     Number of Neighbors
    ----     ------------------
    Square   4
    Hexagon  6  (currently in development)
    ----     ------------------
    Square   4
    Hexagon  6  (currently in development)
@@ -59,54 +74,84 @@ static const char sccsid[] = "@(#)loop.c    4.13 98/10/18 xlockmore";
     machine is not contained in the loop.  This is a simplification of
     von Neumann and Codd's self-producing Turing machine.
     The data spinning around could be viewed as both its DNA and its internal
     machine is not contained in the loop.  This is a simplification of
     von Neumann and Codd's self-producing Turing machine.
     The data spinning around could be viewed as both its DNA and its internal
-   clock.
+   clock.  The program can be initalized to have the loop spin both ways...
+   but only one way around will work for a given rule.  An open question (at
+   least to me): Is handedness a requirement for (artificial) life?  Here
+   there is handedness at both the initial condition and the transition rule.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS "loop"
-# define HACK_INIT init_loop
-# define HACK_DRAW draw_loop
-# define loop_opts xlockmore_opts
-# define DEFAULTS      "*delay:  100000 \n" \
-                                       "*cycles:   1600 \n" \
-                                       "*size:      -12 \n" \
-                                       "*ncolors:    15 \n" \
-                                       "*neighbors:   0 \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                /* in xscreensaver distribution */
+#define MODE_loop
+#define PROGCLASS "loop"
+#define HACK_INIT init_loop
+#define HACK_DRAW draw_loop
+#define loop_opts xlockmore_opts
+#define DEFAULTS "*delay: 100000 \n" \
+ "*count: -5 \n" \
+ "*cycles: 1600 \n" \
+ "*size: -12 \n" \
+ "*ncolors: 15 \n" \
+ "*neighbors: 0 \n"
+#define UNIFORM_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
  #else /* STANDALONE */
  #else /* STANDALONE */
-# include "xlock.h"            /* in xlockmore distribution */
+#include "xlock.h"             /* in xlockmore distribution */
  #endif /* STANDALONE */
  #endif /* STANDALONE */
-
  #include "automata.h"
  
  #include "automata.h"
  
+#ifdef MODE_loop
+
  /*-
   * neighbors of 0 randomizes between 4 and 6.
   */
  /*-
   * neighbors of 0 randomizes between 4 and 6.
   */
-#ifdef STANDALONE
-static int neighbors;
-#else
-extern int  neighbors;
-#endif /* !STANDALONE */
+#define DEF_NEIGHBORS  "0"      /* choose random value */
+
+static int  neighbors;
+
+static XrmOptionDescRec opts[] =
+{
+       {(char *) "-neighbors", (char *) ".loop.neighbors", XrmoptionSepArg, (caddr_t) NULL}
+};
+
+static argtype vars[] =
+{
+       {(caddr_t *) & neighbors, (char *) "neighbors", (char *) "Neighbors", (char *) DEF_NEIGHBORS, t_Int}
+};
+
+static OptionStruct desc[] =
+{
+       {(char *) "-neighbors num", (char *) "squares 4 or hexagons 6"}
+};
  
  ModeSpecOpt loop_opts =
  
  ModeSpecOpt loop_opts =
-{0, NULL, 0, NULL, NULL};
+{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
+
  
  #ifdef USE_MODULES
  ModStruct   loop_description =
  {"loop", "init_loop", "draw_loop", "release_loop",
  
  #ifdef USE_MODULES
  ModStruct   loop_description =
  {"loop", "init_loop", "draw_loop", "release_loop",
- "refresh_loop", "init_loop", NULL, &loop_opts,
- 100000, 1, 1600, -12, 64, 1.0, "",
+ "refresh_loop", "init_loop", (char *) NULL, &loop_opts,
+ 100000, 5, 1600, -12, 64, 1.0, "",
   "Shows Langton's self-producing loops", 0, NULL};
  
  #endif
  
  #define LOOPBITS(n,w,h)\
   "Shows Langton's self-producing loops", 0, NULL};
  
  #endif
  
  #define LOOPBITS(n,w,h)\
-  lp->pixmaps[lp->init_bits++]=\
-  XCreatePixmapFromBitmapData(display,window,(char *)n,w,h,1,0,1)
+  if ((lp->pixmaps[lp->init_bits]=\
+  XCreatePixmapFromBitmapData(display,window,(char *)n,w,h,1,0,1))==None){\
+  free_loop(display,lp); return;} else {lp->init_bits++;}
  
  static int  local_neighbors = 0;
  
  static int  local_neighbors = 0;
-static int  neighbor_kind = 0;
+
+#if 0
+/* Used to fast forward to troubled generations, mainly used for debugging.
+   -delay 1 -count 170 -neighbors 6  # divisions starts
+   540 first cell collision
+   1111 mutant being born from 2 parents
+   1156 mutant born 
+ */
+#define DELAYDEBUGLOOP 10
+#endif
  
  #define COLORS 8
  #define REALCOLORS (COLORS-2)
  
  #define COLORS 8
  #define REALCOLORS (COLORS-2)
@@ -114,33 +159,35 @@ static int  neighbor_kind = 0;
  #define REDRAWSTEP 2000                /* How many cells to draw per cycle */
  #define ADAM_SIZE 8 /* MIN 5 */
  #if 1
  #define REDRAWSTEP 2000                /* How many cells to draw per cycle */
  #define ADAM_SIZE 8 /* MIN 5 */
  #if 1
-# define ADAM_LOOPX  (ADAM_SIZE+2)
-# define ADAM_LOOPY  (ADAM_SIZE+2)
+#define ADAM_LOOPX  (ADAM_SIZE+2)
+#define ADAM_LOOPY  (ADAM_SIZE+2)
  #else
  #else
-# define ADAM_LOOPX 16
-# define ADAM_LOOPY 10
+#define ADAM_LOOPX 16
+#define ADAM_LOOPY 10
  #endif
  #define MINGRIDSIZE (3*ADAM_LOOPX)
  #endif
  #define MINGRIDSIZE (3*ADAM_LOOPX)
+#if 0
  /* TRIA stuff was an attempt to make a triangular lifeform on a
  /* TRIA stuff was an attempt to make a triangular lifeform on a
-   hex grid but I got bored.  You probably need an additional 7th
-   state for a coherent step by step process of separation and
+   hexagonal grid but I got bored.  You may need an additional 7th
+   state for a coherent step by step process of cell separation and
     initial stem development.
   */
     initial stem development.
   */
-/* #define TRIA 1 */
+#define TRIA 1
+#endif
  #ifdef TRIA
  #ifdef TRIA
-# define HEX_ADAM_SIZE 3 /* MIN 3 */
+#define HEX_ADAM_SIZE 3 /* MIN 3 */
  #else
  #else
-# define HEX_ADAM_SIZE 5 /* MIN 3 */
+#define HEX_ADAM_SIZE 5 /* MIN 3 */
  #endif
  #if 1
  #endif
  #if 1
-# define HEX_ADAM_LOOPX (2*HEX_ADAM_SIZE+1)
-# define HEX_ADAM_LOOPY (2*HEX_ADAM_SIZE+1)
+#define HEX_ADAM_LOOPX (2*HEX_ADAM_SIZE+1)
+#define HEX_ADAM_LOOPY (2*HEX_ADAM_SIZE+1)
  #else
  #else
-# define HEX_ADAM_LOOPX 3 
-# define HEX_ADAM_LOOPY 7
+#define HEX_ADAM_LOOPX 3
+#define HEX_ADAM_LOOPY 7
  #endif
  #define HEX_MINGRIDSIZE (6*HEX_ADAM_LOOPX)
  #endif
  #define HEX_MINGRIDSIZE (6*HEX_ADAM_LOOPX)
-#define MINSIZE 5                        /* jwz -- really tiny cells don't look good */
+#define MINSIZE ((MI_NPIXELS(mi)>=COLORS)?1:(2+(local_neighbors==6)))
  #define NEIGHBORKINDS 2
  #define ANGLES 360
  #define MAXNEIGHBORS 6
  #define NEIGHBORKINDS 2
  #define ANGLES 360
  #define MAXNEIGHBORS 6
@@ -161,6 +208,7 @@ typedef struct {
         int         mincol, minrow, maxcol, maxrow;
         int         width, height;
         int         redrawing, redrawpos;
         int         mincol, minrow, maxcol, maxrow;
         int         width, height;
         int         redrawing, redrawpos;
+       Bool        dead, clockwise;
         unsigned char *newcells, *oldcells;
         int         ncells[COLORS];
         CellList   *cellList[COLORS];
         unsigned char *newcells, *oldcells;
         int         ncells[COLORS];
         CellList   *cellList[COLORS];
@@ -172,12 +220,22 @@ typedef struct {
         } shape;
  } loopstruct;
  
         } shape;
  } loopstruct;
  
-static loopstruct *loops = NULL;
+static loopstruct *loops = (loopstruct *) NULL;
  
  #define TRANSITION(TT,V) V=TT&7;TT>>=3
  
  #define TRANSITION(TT,V) V=TT&7;TT>>=3
+#define FINALTRANSITION(TT,V) V=TT&7
  #define TABLE(R,T,L,B) (table[((B)<<9)|((L)<<6)|((T)<<3)|(R)])
  #define HEX_TABLE(R,T,t,l,b,B) (table[((B)<<15)|((b)<<12)|((l)<<9)|((t)<<6)|((T)<<3)|(R)])
  #define TABLE(R,T,L,B) (table[((B)<<9)|((L)<<6)|((T)<<3)|(R)])
  #define HEX_TABLE(R,T,t,l,b,B) (table[((B)<<15)|((b)<<12)|((l)<<9)|((t)<<6)|((T)<<3)|(R)])
-#ifdef RAND_RULES              /* Hack, see below */
+
+#if 0
+/* Instead of setting "unused" state rules to zero it randomizes them.
+   These rules take over when something unexpected happens... like when a
+   cell hits a wall (the end of the screen).
+ */
+#define RAND_RULES
+#endif
+
+#ifdef RAND_RULES
  #define TABLE_IN(C,R,T,L,B,I) (TABLE(R,T,L,B)&=~(7<<((C)*3)));\
  (TABLE(R,T,L,B)|=((I)<<((C)*3)))
  #define HEX_TABLE_IN(C,R,T,t,l,b,B,I) (HEX_TABLE(R,T,t,l,b,B)&=~(7<<((C)*3)));\
  #define TABLE_IN(C,R,T,L,B,I) (TABLE(R,T,L,B)&=~(7<<((C)*3)));\
  (TABLE(R,T,L,B)|=((I)<<((C)*3)))
  #define HEX_TABLE_IN(C,R,T,t,l,b,B,I) (HEX_TABLE(R,T,t,l,b,B)&=~(7<<((C)*3)));\
@@ -189,8 +247,9 @@ static loopstruct *loops = NULL;
  #define TABLE_OUT(C,R,T,L,B) ((TABLE(R,T,L,B)>>((C)*3))&7)
  #define HEX_TABLE_OUT(C,R,T,t,l,b,B) ((HEX_TABLE(R,T,t,l,b,B)>>((C)*3))&7)
  
  #define TABLE_OUT(C,R,T,L,B) ((TABLE(R,T,L,B)>>((C)*3))&7)
  #define HEX_TABLE_OUT(C,R,T,t,l,b,B) ((HEX_TABLE(R,T,t,l,b,B)>>((C)*3))&7)
  
-static unsigned int *table = NULL;     /* 8*8*8*8 = 2^12 = 2^3^4 = 4K */
-  /* 8*8*8*8*8*8 = too big? */
+static unsigned int *table = (unsigned int *) NULL;
+  /* square:  8*8*8*8     = 2^12 = 2^3^4 = 4096 */
+  /* hexagon: 8*8*8*8*8*8 = 2^18 = 2^3^6 = 262144 = too big? */
  
  static char plots[NEIGHBORKINDS] =
  {
  
  static char plots[NEIGHBORKINDS] =
  {
@@ -395,7 +454,7 @@ static unsigned int hex_transition_table[] =
      020102022, 020202112,
  
      000000012, 000000122, 000000212,
      020102022, 020202112,
  
      000000012, 000000122, 000000212,
-    010002121, 
+    010002121,
      020001122, 020002112, 020011122,
  
  
      020001122, 020002112, 020011122,
  
  
@@ -442,7 +501,7 @@ static unsigned int hex_transition_table[] =
  
      020040422,
      040002022,
  
      020040422,
      040002022,
-    
+
      010224224, 010222424, 010202424,
      020142022, 020202412,
      020011722, 020112072, 020172072, 020142072,
      010224224, 010222424, 010202424,
      020142022, 020202412,
      020011722, 020112072, 020172072, 020142072,
@@ -450,7 +509,7 @@ static unsigned int hex_transition_table[] =
  
  
      000210225, 000022015, 000022522,
  
  
      000210225, 000022015, 000022522,
-    011225521, 
+    011225521,
      020120525, 020020152, 020005122, 020214255, 020021152,
      020255242,
      050215222, 050225121,
      020120525, 020020152, 020005122, 020214255, 020021152,
      020255242,
      050215222, 050225121,
@@ -465,7 +524,7 @@ static unsigned int hex_transition_table[] =
      001224251,
      010022152, 010251221, 010522121, 011212151, 011221251,
      011215221,
      001224251,
      010022152, 010251221, 010522121, 011212151, 011221251,
      011215221,
-    020000220, 020002152, 020020220, 020021020, 020022152,
+    020000220, 020002152, 020020220, 020022152,
      020021422, 020022152, 020022522, 020025425, 020050422,
      020051022, 020051122, 020211122, 020211222, 020215222,
      020245122,
      020021422, 020022152, 020022522, 020025425, 020050422,
      020051022, 020051122, 020211122, 020211222, 020215222,
      020245122,
@@ -486,7 +545,7 @@ static unsigned int hex_transition_table[] =
      020021552,
      012252277,
      050002521,
      020021552,
      012252277,
      050002521,
-    020005725,     
+    020005725,
  
      050011022,
      000000155,
  
      050011022,
      000000155,
@@ -544,7 +603,7 @@ static unsigned int hex_transition_table[] =
      020521122,
      020025022,
      020025522,
      020521122,
      020025022,
      020025522,
-    020020522, 
+    020020522,
  
      020202222,
      020212222,
  
      020202222,
      020212222,
@@ -557,7 +616,6 @@ static unsigned int hex_transition_table[] =
      020212122,
      020027222,
      020024222,
      020212122,
      020027222,
      020024222,
-    020020222,
      020212722,
      020212422,
      020202122,
      020212722,
      020212422,
      020202122,
@@ -569,6 +627,33 @@ static unsigned int hex_transition_table[] =
      020212052,
  
      020205052,
      020212052,
  
      020205052,
+    070221250,
+
+    000000050, 000005220, 000002270, 070252220,
+    000000450, 000007220,
+    000220220, 000202220, 000022020, 000020220,
+
+    000222040,
+    000220440,
+    000022040,
+    000040220,
+
+    000252220,
+    050221120, 010221520,
+    002222220,
+
+    000070220, 000220720,
+    000020520, 000070250, 000222070, 000027020,
+    000022070, 000202270, 000024020, 000220420,
+    000220270, 000220240, 000072020, 000042020,
+    000002020, 000002070, 000020270, 000020250,
+    000270270, 000007020, 000040270,
+
+    /* Collision starts (gen 540), not sure to have rules to save it
+       or depend on calloc to intialize remaining rules to 0 so that
+       the mutant will be born
+     */
+    000050220,
  #endif
  };
  
  #endif
  };
  
@@ -687,30 +772,26 @@ position_of_neighbor(int dir, int *pcol, int *prow)
         if (local_neighbors == 6) {
                 switch (dir) {
                         case 0:
         if (local_neighbors == 6) {
                 switch (dir) {
                         case 0:
-                               col = col + 1;
+                               col++;
                                 break;
                         case 60:
                                 break;
                         case 60:
-                               if (row & 1)
-                                       col = col + 1;
-                               row = row - 1;
+                               col += (row & 1);
+                               row--;
                                 break;
                         case 120:
                                 break;
                         case 120:
-                               if (!(row & 1))
-                                       col = col - 1;
-                               row = row - 1;
+                               col -= !(row & 1);
+                               row--;
                                 break;
                         case 180:
                                 break;
                         case 180:
-                               col = col - 1;
+                               col--;
                                 break;
                         case 240:
                                 break;
                         case 240:
-                               if (!(row & 1))
-                                       col = col - 1;
-                               row = row + 1;
+                               col -= !(row & 1);
+                               row++;
                                 break;
                         case 300:
                                 break;
                         case 300:
-                               if (row & 1)
-                                       col = col + 1;
-                               row = row + 1;
+                               col += (row & 1);
+                               row++;
                                 break;
                         default:
                                 (void) fprintf(stderr, "wrong direction %d\n", dir);
                                 break;
                         default:
                                 (void) fprintf(stderr, "wrong direction %d\n", dir);
@@ -718,16 +799,16 @@ position_of_neighbor(int dir, int *pcol, int *prow)
         } else {
                 switch (dir) {
                         case 0:
         } else {
                 switch (dir) {
                         case 0:
-                               col = col + 1;
+                               col++;
                                 break;
                         case 90:
                                 break;
                         case 90:
-                               row = row - 1;
+                               row--;
                                 break;
                         case 180:
                                 break;
                         case 180:
-                               col = col - 1;
+                               col--;
                                 break;
                         case 270:
                                 break;
                         case 270:
-                               row = row + 1;
+                               row++;
                                 break;
                         default:
                                 (void) fprintf(stderr, "wrong direction %d\n", dir);
                                 break;
                         default:
                                 (void) fprintf(stderr, "wrong direction %d\n", dir);
@@ -755,8 +836,8 @@ fillcell(ModeInfo * mi, GC gc, int col, int row)
                 lp->shape.hexagon[0].x = lp->xb + ccol * lp->xs;
                 lp->shape.hexagon[0].y = lp->yb + crow * lp->ys;
                 if (lp->xs == 1 && lp->ys == 1)
                 lp->shape.hexagon[0].x = lp->xb + ccol * lp->xs;
                 lp->shape.hexagon[0].y = lp->yb + crow * lp->ys;
                 if (lp->xs == 1 && lp->ys == 1)
-                       XFillRectangle(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
-                               lp->shape.hexagon[0].x, lp->shape.hexagon[0].y, 1, 1);
+                       XDrawPoint(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
+                               lp->shape.hexagon[0].x, lp->shape.hexagon[0].y);
                 else
                         XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                                 lp->shape.hexagon, 6, Convex, CoordModePrevious);
                 else
                         XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
                                 lp->shape.hexagon, 6, Convex, CoordModePrevious);
@@ -788,23 +869,6 @@ drawcell(ModeInfo * mi, int col, int row, int state)
         fillcell(mi, gc, col, row);
  }
  
         fillcell(mi, gc, col, row);
  }
  
-static void
-addtolist(ModeInfo * mi, int col, int row, unsigned char state)
-{
-       loopstruct *lp = &loops[MI_SCREEN(mi)];
-       CellList   *current = lp->cellList[state];
-
-       lp->cellList[state] = NULL;
-       if ((lp->cellList[state] = (CellList *) malloc(sizeof (CellList))) == NULL) {
-               lp->cellList[state] = current;
-               return;
-       }
-       lp->cellList[state]->pt.x = col;
-       lp->cellList[state]->pt.y = row;
-       lp->cellList[state]->next = current;
-       lp->ncells[state]++;
-}
-
  #ifdef DEBUG
  static void
  print_state(ModeInfo * mi, int state)
  #ifdef DEBUG
  static void
  print_state(ModeInfo * mi, int state)
@@ -838,21 +902,75 @@ free_state(loopstruct * lp, int state)
  }
  
  static void
  }
  
  static void
+free_list(loopstruct * lp)
+{
+       int         state;
+
+       for (state = 0; state < COLORS; state++)
+               free_state(lp, state);
+}
+
+static void
+free_loop(Display *display, loopstruct * lp)
+{
+       int         shade;
+
+       for (shade = 0; shade < lp->init_bits; shade++)
+               if (lp->pixmaps[shade] != None) {
+                       XFreePixmap(display, lp->pixmaps[shade]);
+                       lp->pixmaps[shade] = None;
+               }
+       if (lp->stippledGC != None) {
+               XFreeGC(display, lp->stippledGC);
+               lp->stippledGC = None;
+       }
+       if (lp->oldcells != NULL) {
+               (void) free((void *) lp->oldcells);
+               lp->oldcells = (unsigned char *) NULL;
+       }
+       if (lp->newcells != NULL) {
+               (void) free((void *) lp->newcells);
+               lp->newcells = (unsigned char *) NULL;
+       }
+       free_list(lp);
+}
+
+static Bool
+addtolist(ModeInfo * mi, int col, int row, unsigned char state)
+{
+       loopstruct *lp = &loops[MI_SCREEN(mi)];
+       CellList   *current = lp->cellList[state];
+
+       if ((lp->cellList[state] = (CellList *) malloc(sizeof (CellList))) ==
+                       NULL) {
+               lp->cellList[state] = current;
+               free_loop(MI_DISPLAY(mi), lp);
+               return False;
+       }
+       lp->cellList[state]->pt.x = col;
+       lp->cellList[state]->pt.y = row;
+       lp->cellList[state]->next = current;
+       lp->ncells[state]++;
+       return True;
+}
+
+static Bool
  draw_state(ModeInfo * mi, int state)
  {
         loopstruct *lp = &loops[MI_SCREEN(mi)];
  draw_state(ModeInfo * mi, int state)
  {
         loopstruct *lp = &loops[MI_SCREEN(mi)];
+       Display    *display = MI_DISPLAY(mi);
         GC          gc;
         XGCValues   gcv;
         CellList   *current = lp->cellList[state];
  
         if (MI_NPIXELS(mi) >= COLORS) {
                 gc = MI_GC(mi);
         GC          gc;
         XGCValues   gcv;
         CellList   *current = lp->cellList[state];
  
         if (MI_NPIXELS(mi) >= COLORS) {
                 gc = MI_GC(mi);
-               XSetForeground(MI_DISPLAY(mi), gc, lp->colors[state]);
+               XSetForeground(display, gc, lp->colors[state]);
         } else {
                 gcv.stipple = lp->pixmaps[state];
                 gcv.foreground = MI_WHITE_PIXEL(mi);
                 gcv.background = MI_BLACK_PIXEL(mi);
         } else {
                 gcv.stipple = lp->pixmaps[state];
                 gcv.foreground = MI_WHITE_PIXEL(mi);
                 gcv.background = MI_BLACK_PIXEL(mi);
-               XChangeGC(MI_DISPLAY(mi), lp->stippledGC,
+               XChangeGC(display, lp->stippledGC,
                           GCStipple | GCForeground | GCBackground, &gcv);
                 gc = lp->stippledGC;
         }
                           GCStipple | GCForeground | GCBackground, &gcv);
                 gc = lp->stippledGC;
         }
@@ -867,21 +985,22 @@ draw_state(ModeInfo * mi, int state)
                         lp->shape.hexagon[0].x = lp->xb + ccol * lp->xs;
                         lp->shape.hexagon[0].y = lp->yb + crow * lp->ys;
                         if (lp->xs == 1 && lp->ys == 1)
                         lp->shape.hexagon[0].x = lp->xb + ccol * lp->xs;
                         lp->shape.hexagon[0].y = lp->yb + crow * lp->ys;
                         if (lp->xs == 1 && lp->ys == 1)
-                               XFillRectangle(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
-                                       lp->shape.hexagon[0].x, lp->shape.hexagon[0].y, 1, 1);
+                               XDrawPoint(display, MI_WINDOW(mi), gc,
+                                       lp->shape.hexagon[0].x, lp->shape.hexagon[0].y);
                         else
                         else
-                               XFillPolygon(MI_DISPLAY(mi), MI_WINDOW(mi), gc,
+                               XFillPolygon(display, MI_WINDOW(mi), gc,
                                         lp->shape.hexagon, 6, Convex, CoordModePrevious);
                         current = current->next;
                 }
         } else {
                 /* Take advantage of XFillRectangles */
                                         lp->shape.hexagon, 6, Convex, CoordModePrevious);
                         current = current->next;
                 }
         } else {
                 /* Take advantage of XFillRectangles */
-               XRectangle *rects = NULL;
+               XRectangle *rects;
                 int         nrects = 0;
  
                 /* Create Rectangle list from part of the cellList */
                 int         nrects = 0;
  
                 /* Create Rectangle list from part of the cellList */
-               if ((rects = (XRectangle *) malloc(lp->ncells[state] * sizeof (XRectangle))) == NULL) {
-                       return;
+               if ((rects = (XRectangle *) malloc(lp->ncells[state] *
+                               sizeof (XRectangle))) == NULL) {
+                       return False;
                 }
  
                 while (current) {
                 }
  
                 while (current) {
@@ -893,15 +1012,16 @@ draw_state(ModeInfo * mi, int state)
                         nrects++;
                 }
                 /* Finally get to draw */
                         nrects++;
                 }
                 /* Finally get to draw */
-               XFillRectangles(MI_DISPLAY(mi), MI_WINDOW(mi), gc, rects, nrects);
+               XFillRectangles(display, MI_WINDOW(mi), gc, rects, nrects);
                 /* Free up rects list and the appropriate part of the cellList */
                 (void) free((void *) rects);
         }
         free_state(lp, state);
                 /* Free up rects list and the appropriate part of the cellList */
                 (void) free((void *) rects);
         }
         free_state(lp, state);
-       XFlush(MI_DISPLAY(mi));
+       XFlush(display);
+       return True;
  }
  
  }
  
-static int
+static Bool
  init_table(void)
  {
         if (table == NULL) {
  init_table(void)
  {
         if (table == NULL) {
@@ -917,16 +1037,21 @@ init_table(void)
                         mult *= 8;
  
                 if ((table = (unsigned int *) calloc(mult, sizeof (unsigned int))) == NULL) {
                         mult *= 8;
  
                 if ((table = (unsigned int *) calloc(mult, sizeof (unsigned int))) == NULL) {
-                       return 1;
+                       return False;
                 }
  
                 }
  
+
  #ifdef RAND_RULES
                 /* Here I was interested to see what happens when it hits a wall....
                    Rules not normally used take over... takes too much time though */
  #ifdef RAND_RULES
                 /* Here I was interested to see what happens when it hits a wall....
                    Rules not normally used take over... takes too much time though */
-               {
+               /* Each state = 3 bits */
+               if (MAXRAND < 16777216.0) {
                         for (j = 0; j < mult; j++) {
                         for (j = 0; j < mult; j++) {
-                               for (k = 0; k < 8; k++)
-                                       table[j] |= (unsigned int) ((unsigned int) (NRAND(8)) << (k * 3));
+                               table[j] = (unsigned int) ((NRAND(4096) << 12) & NRAND(4096));
+                       }
+               } else {
+                       for  (j = 0; j < mult; j++) {
+                               table[j] = (unsigned int) (NRAND(16777216));
                         }
                 }
  #endif
                         }
                 }
  #endif
@@ -937,7 +1062,7 @@ init_table(void)
                                 for (k = 0; k < local_neighbors; k++) {
                                         TRANSITION(tt, n[k]);
                                 }
                                 for (k = 0; k < local_neighbors; k++) {
                                         TRANSITION(tt, n[k]);
                                 }
-                               TRANSITION(tt, c);
+                               FINALTRANSITION(tt, c);
                                 HEX_TABLE_IN(c, n[0], n[1], n[2], n[3], n[4], n[5], i);
                                 HEX_TABLE_IN(c, n[1], n[2], n[3], n[4], n[5], n[0], i);
                                 HEX_TABLE_IN(c, n[2], n[3], n[4], n[5], n[0], n[1], i);
                                 HEX_TABLE_IN(c, n[0], n[1], n[2], n[3], n[4], n[5], i);
                                 HEX_TABLE_IN(c, n[1], n[2], n[3], n[4], n[5], n[0], i);
                                 HEX_TABLE_IN(c, n[2], n[3], n[4], n[5], n[0], n[1], i);
@@ -952,7 +1077,7 @@ init_table(void)
                                 for (k = 0; k < local_neighbors; k++) {
                                         TRANSITION(tt, n[k]);
                                 }
                                 for (k = 0; k < local_neighbors; k++) {
                                         TRANSITION(tt, n[k]);
                                 }
-                               TRANSITION(tt, c);
+                               FINALTRANSITION(tt, c);
                                 TABLE_IN(c, n[0], n[1], n[2], n[3], i);
                                 TABLE_IN(c, n[1], n[2], n[3], n[0], i);
                                 TABLE_IN(c, n[2], n[3], n[0], n[1], i);
                                 TABLE_IN(c, n[0], n[1], n[2], n[3], i);
                                 TABLE_IN(c, n[1], n[2], n[3], n[0], i);
                                 TABLE_IN(c, n[2], n[3], n[0], n[1], i);
@@ -960,7 +1085,56 @@ init_table(void)
                         }
                 }
         }
                         }
                 }
         }
-       return 0;
+       return True;
+}
+
+static void
+init_flaw(ModeInfo * mi)
+{
+       loopstruct *lp = &loops[MI_SCREEN(mi)];
+       int a, b;
+
+#define        BLUE 2
+       if (lp->bncols <= 3 || lp->bnrows <= 3)
+               return;
+       a = MIN(lp->bncols - 3, 2 * ((local_neighbors == 6) ?
+                HEX_MINGRIDSIZE : MINGRIDSIZE));
+       a = NRAND(a) + (lp->bncols - a) / 2;
+       b = MIN(lp->bnrows - 3, 2 * ((local_neighbors == 6) ?
+                HEX_MINGRIDSIZE : MINGRIDSIZE));
+       b = NRAND(b) + (lp->bnrows - b) / 2;
+       if (lp->mincol > a)
+               lp->mincol = a;
+       if (lp->minrow > b)
+               lp->minrow = b;
+       if (lp->maxcol < a + 2)
+               lp->maxcol = a + 2;
+       if (lp->maxrow < b + 2)
+               lp->maxrow = b + 2;
+
+       if (local_neighbors == 6) {
+               lp->newcells[b * lp->bncols + a + !(b % 2) ] = BLUE;
+               lp->newcells[b * lp->bncols + a + 1 + !(b % 2)] = BLUE;
+               lp->newcells[(b + 1) * lp->bncols + a] = BLUE;
+               lp->newcells[(b + 1) * lp->bncols + a + 2] = BLUE;
+               lp->newcells[(b + 2) * lp->bncols + a + !(b % 2)] = BLUE;
+               lp->newcells[(b + 2) * lp->bncols + a + 1 + !(b % 2)] = BLUE;
+       } else {
+               int orient = NRAND(4);
+               lp->newcells[lp->bncols * (b + 1) + a + 1] = BLUE;
+               if (orient == 0 || orient == 1) {
+                       lp->newcells[lp->bncols * b + a + 1] = BLUE;
+               }
+               if (orient == 1 || orient == 2) {
+                       lp->newcells[lp->bncols * (b + 1) + a + 2] = BLUE;
+               }
+               if (orient == 2 || orient == 3) {
+                       lp->newcells[lp->bncols * (b + 2) + a + 1] = BLUE;
+               }
+               if (orient == 3 || orient == 0) {
+                       lp->newcells[lp->bncols * (b + 1) + a] = BLUE;
+               }
+       }
  }
  
  static void
  }
  
  static void
@@ -968,165 +1142,232 @@ init_adam(ModeInfo * mi)
  {
         loopstruct *lp = &loops[MI_SCREEN(mi)];
         XPoint      start, dirx, diry;
  {
         loopstruct *lp = &loops[MI_SCREEN(mi)];
         XPoint      start, dirx, diry;
-       int         i, j;
+       int         i, j, dir;
  
  
-  if (local_neighbors == 6) {
+#ifdef DELAYDEBUGLOOP
+       lp->clockwise = 0;
+       if (!MI_COUNT(mi)) /* Probably doing testing so do not confuse */
+#endif
+       lp->clockwise = (Bool) (LRAND() & 1);
+#ifdef DELAYDEBUGLOOP
+       dir = 0;
+       if (!MI_COUNT(mi)) /* Probably doing testing so do not confuse */
+#endif
+       dir = NRAND(local_neighbors);
+       if (local_neighbors == 6) {
                 int k;
  
                 int k;
  
-               /* switch (0) */
-               switch (NRAND(6)) {
+               switch (dir) {
                         case 0:
                                 start.x = (lp->bncols - HEX_ADAM_LOOPX / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPY) / 2;
                         case 0:
                                 start.x = (lp->bncols - HEX_ADAM_LOOPX / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPY) / 2;
-                               lp->mincol = start.x - 2;
-                               lp->minrow = start.y - 1;
-                               lp->maxcol = start.x + HEX_ADAM_LOOPX + 1;
-                               lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
+                               if (lp->mincol > start.x - 2)
+                                       lp->mincol = start.x - 2;
+                               if (lp->minrow > start.y - 1)
+                                       lp->minrow = start.y - 1;
+                               if (lp->maxcol < start.x + HEX_ADAM_LOOPX + 1)
+                                       lp->maxcol = start.x + HEX_ADAM_LOOPX + 1;
+                               if (lp->maxrow < start.y + HEX_ADAM_LOOPY + 1)
+                                       lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
                                 for (j = 0; j < HEX_ADAM_LOOPY; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPX; i++) {
                                                 k = (((lp->bnrows / 2 + HEX_ADAM_LOOPY / 2) % 2) ? -j / 2 : -(j + 1) / 2);
                                                 lp->newcells[(start.y + j) * lp->bncols + start.x + i + k] =
                                 for (j = 0; j < HEX_ADAM_LOOPY; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPX; i++) {
                                                 k = (((lp->bnrows / 2 + HEX_ADAM_LOOPY / 2) % 2) ? -j / 2 : -(j + 1) / 2);
                                                 lp->newcells[(start.y + j) * lp->bncols + start.x + i + k] =
-                                                       hex_self_reproducing_loop[j][i];
+                                                       (lp->clockwise) ?
+                                       hex_self_reproducing_loop[i][j] :
+                                       hex_self_reproducing_loop[j][i];
                                         }
                                 }
                                 break;
                         case 1:
                                 start.x = (lp->bncols - (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2;
                                         }
                                 }
                                 break;
                         case 1:
                                 start.x = (lp->bncols - (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2;
-                               lp->mincol = start.x - 1;
-                               lp->minrow = start.y - HEX_ADAM_LOOPX;
-                               lp->maxcol = start.x + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2 + 1;
-                               lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
+                               if (lp->mincol > start.x - 1)
+                                       lp->mincol = start.x - 1;
+                               if (lp->minrow > start.y - HEX_ADAM_LOOPX)
+                                       lp->minrow = start.y - HEX_ADAM_LOOPX;
+                               if (lp->maxcol < start.x + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2 + 1)
+                                       lp->maxcol = start.x + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2 + 1;
+                               if (lp->maxrow < start.y + HEX_ADAM_LOOPY + 1)
+                                       lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
                                 for (j = 0; j < HEX_ADAM_LOOPY; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPX; i++) {
                                                 k = (((lp->bnrows / 2 + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2) % 2)
                ? -(i + j + 1) / 2 : -(i + j) / 2);
                                                 lp->newcells[(start.y + j - i) * lp->bncols + start.x + i + j + k] =
                                 for (j = 0; j < HEX_ADAM_LOOPY; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPX; i++) {
                                                 k = (((lp->bnrows / 2 + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2) % 2)
                ? -(i + j + 1) / 2 : -(i + j) / 2);
                                                 lp->newcells[(start.y + j - i) * lp->bncols + start.x + i + j + k] =
-                                                       hex_self_reproducing_loop[j][i];
+                                                       (lp->clockwise) ?
+                                                       hex_self_reproducing_loop[i][j] :
+                                                       hex_self_reproducing_loop[j][i];
                                         }
                                 }
                                 break;
                         case 2:
                                 start.x = (lp->bncols - HEX_ADAM_LOOPY / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPX) / 2;
                                         }
                                 }
                                 break;
                         case 2:
                                 start.x = (lp->bncols - HEX_ADAM_LOOPY / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPX) / 2;
-                               lp->mincol = start.x - 2;
-                               lp->minrow = start.y - 1;
-                               lp->maxcol = start.x + HEX_ADAM_LOOPY + 1;
-                               lp->maxrow = start.y + HEX_ADAM_LOOPX + 1;
+                               if (lp->mincol > start.x - 2)
+                                       lp->mincol = start.x - 2;
+                               if (lp->minrow > start.y - 1)
+                                       lp->minrow = start.y - 1;
+                               if (lp->maxcol < start.x + HEX_ADAM_LOOPX + 1)
+                                       lp->maxcol = start.x + HEX_ADAM_LOOPX + 1;
+                               if (lp->maxrow < start.y + HEX_ADAM_LOOPY + 1)
+                                       lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
                                 for (j = 0; j < HEX_ADAM_LOOPX; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPY; i++) {
                                                 k = (((lp->bnrows / 2 + HEX_ADAM_LOOPX / 2) % 2) ? -(HEX_ADAM_LOOPX - j - 1) / 2 : -(HEX_ADAM_LOOPX - j) / 2);
                                                 lp->newcells[(start.y + j) * lp->bncols + start.x + i + k] =
                                 for (j = 0; j < HEX_ADAM_LOOPX; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPY; i++) {
                                                 k = (((lp->bnrows / 2 + HEX_ADAM_LOOPX / 2) % 2) ? -(HEX_ADAM_LOOPX - j - 1) / 2 : -(HEX_ADAM_LOOPX - j) / 2);
                                                 lp->newcells[(start.y + j) * lp->bncols + start.x + i + k] =
-                                                       hex_self_reproducing_loop[i][HEX_ADAM_LOOPX - j - 1];
+                                                       (lp->clockwise) ?
+                                                       hex_self_reproducing_loop[j][HEX_ADAM_LOOPX - i - 1] :
+                                                       hex_self_reproducing_loop[i][HEX_ADAM_LOOPY - j - 1];
                                         }
                                 }
                                 break;
                         case 3:
                                 start.x = (lp->bncols - HEX_ADAM_LOOPX / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPY) / 2;
                                         }
                                 }
                                 break;
                         case 3:
                                 start.x = (lp->bncols - HEX_ADAM_LOOPX / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPY) / 2;
-                               lp->mincol = start.x - 1, lp->minrow = start.y - 1;
-                               lp->maxcol = start.x + HEX_ADAM_LOOPX + 1, lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
+                               if (lp->mincol > start.x - 1)
+                                       lp->mincol = start.x - 1;
+                               if (lp->minrow > start.y - 1)
+                                       lp->minrow = start.y - 1;
+                               if (lp->maxcol < start.x + HEX_ADAM_LOOPX + 1)
+                                       lp->maxcol = start.x + HEX_ADAM_LOOPX + 1;
+                               if (lp->maxrow < start.y + HEX_ADAM_LOOPY + 1)
+                                       lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
                                 for (j = 0; j < HEX_ADAM_LOOPY; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPX; i++) {
                                                 k = (((lp->bnrows / 2 + HEX_ADAM_LOOPY / 2) % 2) ? -j / 2 : -(j + 1) / 2);
                                                 lp->newcells[(start.y + j) * lp->bncols + start.x + i + k] =
                                 for (j = 0; j < HEX_ADAM_LOOPY; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPX; i++) {
                                                 k = (((lp->bnrows / 2 + HEX_ADAM_LOOPY / 2) % 2) ? -j / 2 : -(j + 1) / 2);
                                                 lp->newcells[(start.y + j) * lp->bncols + start.x + i + k] =
-                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPY - j - 1][HEX_ADAM_LOOPX - i - 1];
+                                                       (lp->clockwise) ?
+                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPX - i - 1][HEX_ADAM_LOOPY - j - 1] :
+                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPY - j - 1][HEX_ADAM_LOOPX - i - 1];
                                         }
                                 }
                                 break;
                         case 4:
                                 start.x = (lp->bncols - (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2;
                                         }
                                 }
                                 break;
                         case 4:
                                 start.x = (lp->bncols - (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2;
-                               lp->mincol = start.x - 1;
-                               lp->minrow = start.y - HEX_ADAM_LOOPX;
-                               lp->maxcol = start.x + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2 + 1;
-                               lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
+                               if (lp->mincol > start.x - 1)
+                                       lp->mincol = start.x - 1;
+                               if (lp->minrow > start.y - HEX_ADAM_LOOPX)
+                                       lp->minrow = start.y - HEX_ADAM_LOOPX;
+                               if (lp->maxcol < start.x + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2 + 1)
+                                       lp->maxcol = start.x + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2 + 1;
+                               if (lp->maxrow < start.y + HEX_ADAM_LOOPY + 1)
+                                       lp->maxrow = start.y + HEX_ADAM_LOOPY + 1;
                                 for (j = 0; j < HEX_ADAM_LOOPY; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPX; i++) {
                                                 k = (((lp->bnrows / 2 + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2) % 2)
                ? -(i + j + 1) / 2 : -(i + j) / 2);
                                                 lp->newcells[(start.y + j - i) * lp->bncols + start.x + i + j + k] =
                                 for (j = 0; j < HEX_ADAM_LOOPY; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPX; i++) {
                                                 k = (((lp->bnrows / 2 + (HEX_ADAM_LOOPX + HEX_ADAM_LOOPY) / 2) % 2)
                ? -(i + j + 1) / 2 : -(i + j) / 2);
                                                 lp->newcells[(start.y + j - i) * lp->bncols + start.x + i + j + k] =
-                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPY - j - 1][HEX_ADAM_LOOPX - i - 1];
+                                                       (lp->clockwise) ?
+                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPX - i - 1][HEX_ADAM_LOOPY - j - 1] :
+                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPY - j - 1][HEX_ADAM_LOOPX - i - 1];
                                         }
                                 }
                                 break;
                         case 5:
                                 start.x = (lp->bncols - HEX_ADAM_LOOPY / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPX) / 2;
                                         }
                                 }
                                 break;
                         case 5:
                                 start.x = (lp->bncols - HEX_ADAM_LOOPY / 2) / 2;
                                 start.y = (lp->bnrows - HEX_ADAM_LOOPX) / 2;
-                               lp->mincol = start.x - 2;
-                               lp->minrow = start.y - 1;
-                               lp->maxcol = start.x + HEX_ADAM_LOOPY + 1;
-                               lp->maxrow = start.y + HEX_ADAM_LOOPX + 1;
+                               if (lp->mincol > start.x - 2)
+                                       lp->mincol = start.x - 2;
+                               if (lp->minrow > start.y - 1)
+                                       lp->minrow = start.y - 1;
+                               if (lp->maxcol < start.x + HEX_ADAM_LOOPY + 1)
+                                       lp->maxcol = start.x + HEX_ADAM_LOOPY + 1;
+                               if (lp->maxrow < start.y + HEX_ADAM_LOOPX + 1)
+                                       lp->maxrow = start.y + HEX_ADAM_LOOPX + 1;
                                 for (j = 0; j < HEX_ADAM_LOOPX; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPY; i++) {
                                                 k = (((lp->bnrows / 2 + HEX_ADAM_LOOPX / 2) % 2) ? -(HEX_ADAM_LOOPX - j - 1) / 2 : -(HEX_ADAM_LOOPX - j) / 2);
                                                 lp->newcells[(start.y + j) * lp->bncols + start.x + i + k] =
                                 for (j = 0; j < HEX_ADAM_LOOPX; j++) {
                                         for (i = 0; i < HEX_ADAM_LOOPY; i++) {
                                                 k = (((lp->bnrows / 2 + HEX_ADAM_LOOPX / 2) % 2) ? -(HEX_ADAM_LOOPX - j - 1) / 2 : -(HEX_ADAM_LOOPX - j) / 2);
                                                 lp->newcells[(start.y + j) * lp->bncols + start.x + i + k] =
-                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPX - i - 1][j];
+                                                       (lp->clockwise) ?
+                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPY - j - 1][i] :
+                                                       hex_self_reproducing_loop[HEX_ADAM_LOOPX - i - 1][j];
                                         }
                                 }
                                 break;
                 }
  #if DEBUGTEST
                                         }
                                 }
                                 break;
                 }
  #if DEBUGTEST
-                               /* printf ("s %d  s %d \n", start.x, start.y); */
-               printf ("%d %d %d %d %d\t",
+                               /* (void) printf ("s %d  s %d \n", start.x, start.y); */
+               (void) printf ("%d %d %d %d %d\n",
       start.x + i + ((lp->bnrows / 2 % 2) ? -j / 2 : -(j + 1) / 2) - lp->bx,
                  start.y + j - lp->by, i, j, hex_self_reproducing_loop[j][i]);
                 /* Draw right away */
                 drawcell(mi, start.x + i + ((lp->bnrows / 2 % 2) ? -j / 2 : -(j + 1) / 2) - lp->bx,
                  start.y + j - lp->by,
                  hex_self_reproducing_loop[j][i]);
       start.x + i + ((lp->bnrows / 2 % 2) ? -j / 2 : -(j + 1) / 2) - lp->bx,
                  start.y + j - lp->by, i, j, hex_self_reproducing_loop[j][i]);
                 /* Draw right away */
                 drawcell(mi, start.x + i + ((lp->bnrows / 2 % 2) ? -j / 2 : -(j + 1) / 2) - lp->bx,
                  start.y + j - lp->by,
                  hex_self_reproducing_loop[j][i]);
-#endif
-#if DEBUGTEST
-                        printf ("\n");
-#endif
-#if DEBUGTEST
-                        printf ("\n");
  #endif
    } else {
  #endif
    } else {
-               switch (NRAND(4)) {
+               switch (dir) {
                         case 0:
                                 start.x = (lp->bncols - ADAM_LOOPX) / 2;
                                 start.y = (lp->bnrows - ADAM_LOOPY) / 2;
                                 dirx.x = 1, dirx.y = 0;
                                 diry.x = 0, diry.y = 1;
                         case 0:
                                 start.x = (lp->bncols - ADAM_LOOPX) / 2;
                                 start.y = (lp->bnrows - ADAM_LOOPY) / 2;
                                 dirx.x = 1, dirx.y = 0;
                                 diry.x = 0, diry.y = 1;
-                               lp->mincol = start.x, lp->minrow = start.y;
-                               lp->maxcol = start.x + ADAM_LOOPX, lp->maxrow = start.y + ADAM_LOOPY;
+                               if (lp->mincol > start.x)
+                                       lp->mincol = start.x;
+                               if (lp->minrow > start.y)
+                                       lp->minrow = start.y;
+                               if (lp->maxcol < start.x + ADAM_LOOPX)
+                                       lp->maxcol = start.x + ADAM_LOOPX;
+                               if (lp->maxrow < start.y + ADAM_LOOPY)
+                                       lp->maxrow = start.y + ADAM_LOOPY;
                                 break;
                         case 1:
                                 start.x = (lp->bncols + ADAM_LOOPY) / 2;
                                 start.y = (lp->bnrows - ADAM_LOOPX) / 2;
                                 dirx.x = 0, dirx.y = 1;
                                 diry.x = -1, diry.y = 0;
                                 break;
                         case 1:
                                 start.x = (lp->bncols + ADAM_LOOPY) / 2;
                                 start.y = (lp->bnrows - ADAM_LOOPX) / 2;
                                 dirx.x = 0, dirx.y = 1;
                                 diry.x = -1, diry.y = 0;
-                               lp->mincol = start.x - ADAM_LOOPY, lp->minrow = start.y;
-                               lp->maxcol = start.x, lp->maxrow = start.y + ADAM_LOOPX;
+                               if (lp->mincol > start.x - ADAM_LOOPY)
+                                       lp->mincol = start.x - ADAM_LOOPY;
+                               if (lp->minrow > start.y)
+                                       lp->minrow = start.y;
+                               if (lp->maxcol < start.x)
+                                       lp->maxcol = start.x;
+                               if (lp->maxrow < start.y + ADAM_LOOPX)
+                                       lp->maxrow = start.y + ADAM_LOOPX;
                                 break;
                         case 2:
                                 start.x = (lp->bncols + ADAM_LOOPX) / 2;
                                 start.y = (lp->bnrows + ADAM_LOOPY) / 2;
                                 dirx.x = -1, dirx.y = 0;
                                 diry.x = 0, diry.y = -1;
                                 break;
                         case 2:
                                 start.x = (lp->bncols + ADAM_LOOPX) / 2;
                                 start.y = (lp->bnrows + ADAM_LOOPY) / 2;
                                 dirx.x = -1, dirx.y = 0;
                                 diry.x = 0, diry.y = -1;
-                               lp->mincol = start.x - ADAM_LOOPX, lp->minrow = start.y - ADAM_LOOPY;
-                               lp->maxcol = start.x, lp->maxrow = start.y;
+                               if (lp->mincol > start.x - ADAM_LOOPX)
+                                       lp->mincol = start.x - ADAM_LOOPX;
+                               if (lp->minrow > start.y - ADAM_LOOPY)
+                                       lp->minrow = start.y - ADAM_LOOPY;
+                               if (lp->maxcol < start.x)
+                                       lp->maxcol = start.x;
+                               if (lp->maxrow < start.y)
+                                       lp->maxrow = start.y;
                                 break;
                         case 3:
                                 start.x = (lp->bncols - ADAM_LOOPY) / 2;
                                 start.y = (lp->bnrows + ADAM_LOOPX) / 2;
                                 dirx.x = 0, dirx.y = -1;
                                 diry.x = 1, diry.y = 0;
                                 break;
                         case 3:
                                 start.x = (lp->bncols - ADAM_LOOPY) / 2;
                                 start.y = (lp->bnrows + ADAM_LOOPX) / 2;
                                 dirx.x = 0, dirx.y = -1;
                                 diry.x = 1, diry.y = 0;
-                               lp->mincol = start.x, lp->minrow = start.y - ADAM_LOOPX;
-                               lp->maxcol = start.x + ADAM_LOOPY, lp->maxrow = start.y;
+                               if (lp->mincol > start.x)
+                                       lp->mincol = start.x;
+                               if (lp->minrow > start.y - ADAM_LOOPX)
+                                       lp->minrow = start.y - ADAM_LOOPX;
+                               if (lp->maxcol < start.x + ADAM_LOOPX)
+                                       lp->maxcol = start.x + ADAM_LOOPX;
+                               if (lp->maxrow < start.y)
+                                       lp->maxrow = start.y;
                                 break;
                 }
                 for (j = 0; j < ADAM_LOOPY; j++)
                         for (i = 0; i < ADAM_LOOPX; i++)
                                 break;
                 }
                 for (j = 0; j < ADAM_LOOPY; j++)
                         for (i = 0; i < ADAM_LOOPX; i++)
-                               lp->newcells[(start.y + dirx.y * i + diry.y * j) * lp->bncols +
-                                            start.x + dirx.x * i + diry.x * j] =
-                                       self_reproducing_loop[j][i];
+                         lp->newcells[lp->bncols * (start.y + dirx.y * i + diry.y * j) +
+                           start.x + dirx.x * i + diry.x * j] =
+                           (lp->clockwise) ?
+                             self_reproducing_loop[j][ADAM_LOOPX - i - 1] :
+                             self_reproducing_loop[j][i];
  #if DEBUG
                 /* Draw right away */
                 drawcell(mi, start.x + dirx.x * i + diry.x * j - lp->bx,
                  start.y + dirx.y * i + diry.y * j - lp->by,
  #if DEBUG
                 /* Draw right away */
                 drawcell(mi, start.x + dirx.x * i + diry.x * j - lp->bx,
                  start.y + dirx.y * i + diry.y * j - lp->by,
-                self_reproducing_loop[j][i]);
+                (lp->clockwise) ? self_reproducing_loop[j][ADAM_LOOPX - i - i] : self_reproducing_loop[j][i]);
  #endif
         }
  }
  #endif
         }
  }
@@ -1156,50 +1397,32 @@ do_gen(loopstruct * lp)
                                 }
                         }
                         if (local_neighbors == 6) {
                                 }
                         }
                         if (local_neighbors == 6) {
-                               *z = HEX_TABLE_OUT(c, n[0], n[1], n[2], n[3], n[4], n[5]);
+                               *z = (lp->clockwise) ?
+                                       HEX_TABLE_OUT(c, n[5], n[4], n[3], n[2], n[1], n[0]) :
+                                       HEX_TABLE_OUT(c, n[0], n[1], n[2], n[3], n[4], n[5]);
                         } else {
                         } else {
-                               *z = TABLE_OUT(c, n[0], n[1], n[2], n[3]);
+                               *z = (lp->clockwise) ?
+                                       TABLE_OUT(c, n[3], n[2], n[1], n[0]) :
+                                       TABLE_OUT(c, n[0], n[1], n[2], n[3]);
                         }
                 }
         }
  }
  
                         }
                 }
         }
  }
  
-static void
-free_list(loopstruct * lp)
-{
-       int         state;
-
-       for (state = 0; state < COLORS; state++)
-               free_state(lp, state);
-}
-
  void
  release_loop(ModeInfo * mi)
  {
         if (loops != NULL) {
                 int         screen;
  
  void
  release_loop(ModeInfo * mi)
  {
         if (loops != NULL) {
                 int         screen;
  
-               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
-                       loopstruct *lp = &loops[screen];
-                       int         shade;
-
-                       for (shade = 0; shade < lp->init_bits; shade++)
-                               if (lp->pixmaps[shade] != None)
-                                       XFreePixmap(MI_DISPLAY(mi), lp->pixmaps[shade]);
-                       if (lp->stippledGC != None)
-                               XFreeGC(MI_DISPLAY(mi), lp->stippledGC);
-                       if (lp->oldcells != NULL)
-                               (void) free((void *) lp->oldcells);
-                       if (lp->newcells != NULL)
-                               (void) free((void *) lp->newcells);
-                       free_list(lp);
-               }
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_loop(MI_DISPLAY(mi), &loops[screen]);
                 (void) free((void *) loops);
                 (void) free((void *) loops);
-               loops = NULL;
+               loops = (loopstruct *) NULL;
         }
         if (table != NULL) {
                 (void) free((void *) table);
         }
         if (table != NULL) {
                 (void) free((void *) table);
-               table = NULL;
+               table = (unsigned int *) NULL;
         }
  }
  
         }
  }
  
@@ -1224,9 +1447,9 @@ init_loop(ModeInfo * mi)
         if ((MI_NPIXELS(mi) < COLORS) && (lp->init_bits == 0)) {
                 if (lp->stippledGC == None) {
                         gcv.fill_style = FillOpaqueStippled;
         if ((MI_NPIXELS(mi) < COLORS) && (lp->init_bits == 0)) {
                 if (lp->stippledGC == None) {
                         gcv.fill_style = FillOpaqueStippled;
-                       lp->stippledGC = XCreateGC(display, window, GCFillStyle, &gcv);
-                       if (lp->stippledGC == None) {
-                               release_loop(mi);
+                       if ((lp->stippledGC = XCreateGC(display, window,
+                                GCFillStyle, &gcv)) == None) {
+                               free_loop(display, lp);
                                 return;
                         }
                 }
                                 return;
                         }
                 }
@@ -1238,10 +1461,6 @@ init_loop(ModeInfo * mi)
                 LOOPBITS(stipples[7], STIPPLESIZE, STIPPLESIZE);
                 LOOPBITS(stipples[8], STIPPLESIZE, STIPPLESIZE);
                 LOOPBITS(stipples[10], STIPPLESIZE, STIPPLESIZE);
                 LOOPBITS(stipples[7], STIPPLESIZE, STIPPLESIZE);
                 LOOPBITS(stipples[8], STIPPLESIZE, STIPPLESIZE);
                 LOOPBITS(stipples[10], STIPPLESIZE, STIPPLESIZE);
-       if (lp->pixmaps[COLORS - 1] == None) {
-                       release_loop(mi);
-                       return;
-               }
         }
         if (MI_NPIXELS(mi) >= COLORS) {
                 /* Maybe these colors should be randomized */
         }
         if (MI_NPIXELS(mi) >= COLORS) {
                 /* Maybe these colors should be randomized */
@@ -1259,21 +1478,17 @@ init_loop(ModeInfo * mi)
         lp->width = MI_WIDTH(mi);
         lp->height = MI_HEIGHT(mi);
  
         lp->width = MI_WIDTH(mi);
         lp->height = MI_HEIGHT(mi);
  
-  if (!local_neighbors) {
-    for (i = 0; i < NEIGHBORKINDS; i++) {
-      if (neighbors == plots[i]) {
-        local_neighbors = neighbors;
-        neighbor_kind = i;
-        break;
-      }
+       if (!local_neighbors) {
+               for (i = 0; i < NEIGHBORKINDS; i++) {
+                       if (neighbors == plots[i]) {
+                               local_neighbors = neighbors;
+                               break;
+                       }
                         if (i == NEIGHBORKINDS - 1) {
                         if (i == NEIGHBORKINDS - 1) {
-
  #if 1
                                 local_neighbors = plots[NRAND(NEIGHBORKINDS)];
  #if 1
                                 local_neighbors = plots[NRAND(NEIGHBORKINDS)];
-                               neighbor_kind = (local_neighbors == 4) ? 0 : 1;
  #else
                                 local_neighbors = 4;
  #else
                                 local_neighbors = 4;
-                               neighbor_kind = 0;
  #endif
                                 break;
                         }
  #endif
                                 break;
                         }
@@ -1284,10 +1499,10 @@ init_loop(ModeInfo * mi)
    if (local_neighbors == 6) {
      int         nccols, ncrows;
  
    if (local_neighbors == 6) {
      int         nccols, ncrows;
  
-    if (lp->width < 4)
-      lp->width = 4;
-    if (lp->height < 4)
-      lp->height = 4;
+    if (lp->width < 8)
+      lp->width = 8;
+    if (lp->height < 8)
+      lp->height = 8;
      if (size < -MINSIZE) {
        lp->ys = NRAND(MIN(-size, MAX(MINSIZE, MIN(lp->width, lp->height) /
                HEX_MINGRIDSIZE)) - MINSIZE + 1) + MINSIZE;
      if (size < -MINSIZE) {
        lp->ys = NRAND(MIN(-size, MAX(MINSIZE, MIN(lp->width, lp->height) /
                HEX_MINGRIDSIZE)) - MINSIZE + 1) + MINSIZE;
@@ -1300,11 +1515,11 @@ init_loop(ModeInfo * mi)
        lp->ys = MIN(size, MAX(MINSIZE, MIN(lp->width, lp->height) /
                   HEX_MINGRIDSIZE));
      lp->xs = lp->ys;
        lp->ys = MIN(size, MAX(MINSIZE, MIN(lp->width, lp->height) /
                   HEX_MINGRIDSIZE));
      lp->xs = lp->ys;
-               nccols = MAX(lp->width / lp->xs - 2, HEX_ADAM_LOOPX + 1);
-               ncrows = MAX(lp->height / lp->ys - 1, HEX_ADAM_LOOPY + 1);
+    nccols = MAX(lp->width / lp->xs - 2, HEX_MINGRIDSIZE);
+    ncrows = MAX(lp->height / lp->ys - 1, HEX_MINGRIDSIZE);
      lp->ncols = nccols / 2;
      lp->nrows = ncrows / 2;
      lp->ncols = nccols / 2;
      lp->nrows = ncrows / 2;
-               lp->nrows -= !(lp->nrows & 1);  /* Must be odd */
+    lp->nrows -= !(lp->nrows & 1);  /* Must be odd */
      lp->xb = (lp->width - lp->xs * nccols) / 2 + lp->xs;
      lp->yb = (lp->height - lp->ys * ncrows) / 2 + lp->ys;
      for (i = 0; i < 6; i++) {
      lp->xb = (lp->width - lp->xs * nccols) / 2 + lp->xs;
      lp->yb = (lp->height - lp->ys * ncrows) / 2 + lp->ys;
      for (i = 0; i < 6; i++) {
@@ -1338,39 +1553,65 @@ init_loop(ModeInfo * mi)
  
         if (lp->oldcells != NULL) {
                 (void) free((void *) lp->oldcells);
  
         if (lp->oldcells != NULL) {
                 (void) free((void *) lp->oldcells);
-               lp->oldcells = NULL;
-       }       
-       if ((lp->oldcells = (unsigned char *) calloc(lp->bncols * lp->bnrows, sizeof (unsigned char))) == NULL) {
-               release_loop(mi);
+               lp->oldcells = (unsigned char *) NULL;
+       }
+       if ((lp->oldcells = (unsigned char *) calloc(lp->bncols * lp->bnrows,
+                       sizeof (unsigned char))) == NULL) {
+               free_loop(display, lp);
                 return;
         }
         if (lp->newcells != NULL) {
                 (void) free((void *) lp->newcells);
                 return;
         }
         if (lp->newcells != NULL) {
                 (void) free((void *) lp->newcells);
-               lp->newcells = NULL;
+               lp->newcells = (unsigned char *) NULL;
         }
         }
-       if ((lp->newcells = (unsigned char *) calloc(lp->bncols * lp->bnrows, sizeof (unsigned char))) == NULL) {
-               release_loop(mi);
+       if ((lp->newcells = (unsigned char *) calloc(lp->bncols * lp->bnrows,
+                       sizeof (unsigned char))) == NULL) {
+               free_loop(display, lp);
                 return;
         }
                 return;
         }
-  if (init_table()) {
+       if (!init_table()) {
                 release_loop(mi);
                 return;
         }
                 release_loop(mi);
                 return;
         }
+       lp->mincol = lp->bncols - 1;
+       lp->minrow = lp->bnrows - 1;
+       lp->maxcol = 0; 
+       lp->maxrow = 0;
+#ifndef DELAYDEBUGLOOP
+       {
+               int flaws = MI_COUNT(mi);
+
+               if (flaws < 0)
+                       flaws = NRAND(-MI_COUNT(mi) + 1);
+               for (i = 0; i < flaws; i++) {
+                       init_flaw(mi);
+               }
+               /* actual flaws might be less since the adam loop done next */
+       }
+#endif
         init_adam(mi);
  }
  
  void
  draw_loop(ModeInfo * mi)
  {
         init_adam(mi);
  }
  
  void
  draw_loop(ModeInfo * mi)
  {
-       loopstruct *lp = &loops[MI_SCREEN(mi)];
-       int         offset, i, j, life = 0;
+       int         offset, i, j;
         unsigned char *z, *znew;
         unsigned char *z, *znew;
+       loopstruct *lp;
  
  
-       if (loops == NULL) {
-               init_loop(mi);
+       if (loops == NULL)
                 return;
                 return;
-       }
+       lp = &loops[MI_SCREEN(mi)];
+       if (lp->newcells == NULL)
+               return;
+
         MI_IS_DRAWN(mi) = True;
         MI_IS_DRAWN(mi) = True;
+       lp->dead = True;
+#ifdef DELAYDEBUGLOOP
+       if (MI_COUNT(mi) && lp->generation > MI_COUNT(mi)) {
+               (void) sleep(DELAYDEBUGLOOP);
+       }
+#endif
  
         for (j = lp->minrow; j <= lp->maxrow; j++) {
                 for (i = lp->mincol; i <= lp->maxcol; i++) {
  
         for (j = lp->minrow; j <= lp->maxrow; j++) {
                 for (i = lp->mincol; i <= lp->maxcol; i++) {
@@ -1378,9 +1619,10 @@ draw_loop(ModeInfo * mi)
                         z = lp->oldcells + offset;
                         znew = lp->newcells + offset;
                         if (*z != *znew) {
                         z = lp->oldcells + offset;
                         znew = lp->newcells + offset;
                         if (*z != *znew) {
+                               lp->dead = False;
                                 *z = *znew;
                                 *z = *znew;
-                               addtolist(mi, i - lp->bx, j - lp->by, *znew);
-                               life = 1;
+                               if (!addtolist(mi, i - lp->bx, j - lp->by, *znew))
+                                       return;
                                 if (i == lp->mincol && i > lp->bx)
                                         lp->mincol--;
                                 if (j == lp->minrow && j > lp->by)
                                 if (i == lp->mincol && i > lp->bx)
                                         lp->mincol--;
                                 if (j == lp->minrow && j > lp->by)
@@ -1393,8 +1635,11 @@ draw_loop(ModeInfo * mi)
                 }
         }
         for (i = 0; i < COLORS; i++)
                 }
         }
         for (i = 0; i < COLORS; i++)
-               draw_state(mi, i);
-       if (++lp->generation > MI_CYCLES(mi) /* || !life */) {
+               if (!draw_state(mi, i)) {
+                       free_loop(MI_DISPLAY(mi), lp);
+                       return;
+               }
+       if (++lp->generation > MI_CYCLES(mi) || lp->dead) {
                 init_loop(mi);
                 return;
         } else
                 init_loop(mi);
                 return;
         } else
@@ -1418,13 +1663,15 @@ draw_loop(ModeInfo * mi)
  void
  refresh_loop(ModeInfo * mi)
  {
  void
  refresh_loop(ModeInfo * mi)
  {
-       loopstruct *lp = &loops[MI_SCREEN(mi)];
+       loopstruct *lp;
  
  
-       if (loops == NULL) {
-               init_loop(mi);
+       if (loops == NULL)
                 return;
                 return;
-       }
+       lp = &loops[MI_SCREEN(mi)];
+
         MI_CLEARWINDOW(mi);
         lp->redrawing = 1;
         lp->redrawpos = lp->by * lp->ncols + lp->bx;
  }
         MI_CLEARWINDOW(mi);
         lp->redrawing = 1;
         lp->redrawpos = lp->by * lp->ncols + lp->bx;
  }
+
+#endif /* MODE_loop */
diff --git a/hacks/mountain.c b/hacks/mountain.c

index 621a0bd066ed2534fd2582b6d969d6ae71465776..6b2378891cac7b2951f60623bba66019b45c86f3 100644 (file)
--- a/hacks/mountain.c
+++ b/hacks/mountain.c
@@ -2,7 +2,7 @@
  /* mountain -- square grid mountains */
  
  #if !defined( lint ) && !defined( SABER )
  /* mountain -- square grid mountains */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)mountain.c   4.04 97/07/28 xlockmore";
+static const char sccsid[] = "@(#)mountain.c   5.00 2000/11/01 xlockmore";
  
  #endif
  
  
  #endif
  
@@ -22,25 +22,40 @@ static const char sccsid[] = "@(#)mountain.c        4.04 97/07/28 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: Compatible with xscreensaver
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 1995: Written
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS "Mountain"
-# define HACK_INIT init_mountain
-# define HACK_DRAW draw_mountain
-# define mountain_opts xlockmore_opts
-# define DEFAULTS      "*delay: 0 \n"          \
-                                       "*count: 30 \n"         \
-                                       "*ncolors: 64 \n"
-# define SMOOTH_COLORS
+#define MODE_mountain
+#define PROGCLASS "Mountain"
+#define HACK_INIT init_mountain
+#define HACK_DRAW draw_mountain
+#define mountain_opts xlockmore_opts
+#define DEFAULTS "*delay: 1000 \n" \
+ "*count: 30 \n" \
+ "*cycles: 4000 \n" \
+ "*ncolors: 64 \n"
+#define SMOOTH_COLORS
  #include "xlockmore.h"         /* in xscreensaver distribution */
  #else /* STANDALONE */
  #include "xlock.h"             /* in xlockmore distribution */
  #endif /* STANDALONE */
  
  #include "xlockmore.h"         /* in xscreensaver distribution */
  #else /* STANDALONE */
  #include "xlock.h"             /* in xlockmore distribution */
  #endif /* STANDALONE */
  
+#ifdef MODE_mountain
+
  ModeSpecOpt mountain_opts =
  ModeSpecOpt mountain_opts =
-{0, NULL, 0, NULL, NULL};
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   mountain_description =
+{"mountain", "init_mountain", "draw_mountain", "release_mountain",
+ "refresh_mountain", "init_mountain", (char *) NULL, &mountain_opts,
+ 1000, 30, 4000, 1, 64, 1.0, "",
+ "Shows Papo's mountain range", 0, NULL};
+
+#endif
  
  /* ~ 5000 Max mountain height (1000 - 10000) */
  #define MAXHEIGHT  (3 * (mp->width + mp->height))
  
  /* ~ 5000 Max mountain height (1000 - 10000) */
  #define MAXHEIGHT  (3 * (mp->width + mp->height))
@@ -57,12 +72,13 @@ typedef struct {
         int         offset;
         int         stage;
         int         h[WORLDWIDTH][WORLDWIDTH];
         int         offset;
         int         stage;
         int         h[WORLDWIDTH][WORLDWIDTH];
-       int         time;       /* up time */
-       int         first;
-       GC          stippled_GC;
+       long        time;       /* up time */
+       Bool        wireframe;
+       Bool        joke;
+       GC          stippledGC;
  } mountainstruct;
  
  } mountainstruct;
  
-static mountainstruct *mountains = NULL;
+static mountainstruct *mountains = (mountainstruct *) NULL;
  
  static void
  spread(int  (*m)[50], int x, int y)
  
  static void
  spread(int  (*m)[50], int x, int y)
@@ -115,12 +131,29 @@ drawamountain(ModeInfo * mi)
         if (MI_NPIXELS(mi) > 2)
                 XSetForeground(display, gc, MI_PIXEL(mi, c));
         else
         if (MI_NPIXELS(mi) > 2)
                 XSetForeground(display, gc, MI_PIXEL(mi, c));
         else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
-       XFillPolygon(display, window, gc, p, 4, Complex, CoordModeOrigin);
-
-       if (!mp->pixelmode) {
-               XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
-               XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+
+       if (mp->joke) {
+               if ((Bool) (LRAND() & 1))
+                       XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+               else {
+                       XFillPolygon(display, window, gc, p, 4, Complex, CoordModeOrigin);
+                       if (!mp->pixelmode) {
+                               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+                               XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+                       }
+               }
+       } else {
+               if (mp->wireframe) {
+                       XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+               } else {
+                       XFillPolygon(display, window, gc, p, 4, Complex, CoordModeOrigin);
+
+                       if (!mp->pixelmode) {
+                               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+                               XDrawLines(display, window, gc, p, 5, CoordModeOrigin);
+                       }
+               }
         }
         mp->x++;
         if (mp->x == WORLDWIDTH - 1) {
         }
         mp->x++;
         if (mp->x == WORLDWIDTH - 1) {
@@ -134,9 +167,9 @@ drawamountain(ModeInfo * mi)
  void
  init_mountain(ModeInfo * mi)
  {
  void
  init_mountain(ModeInfo * mi)
  {
-       mountainstruct *mp;
         int         i, j, x, y;
         XGCValues   gcv;
         int         i, j, x, y;
         XGCValues   gcv;
+       mountainstruct *mp;
  
         if (mountains == NULL) {
                 if ((mountains = (mountainstruct *) calloc(MI_NUM_SCREENS(mi),
  
         if (mountains == NULL) {
                 if ((mountains = (mountainstruct *) calloc(MI_NUM_SCREENS(mi),
@@ -144,27 +177,35 @@ init_mountain(ModeInfo * mi)
                         return;
         }
         mp = &mountains[MI_SCREEN(mi)];
                         return;
         }
         mp = &mountains[MI_SCREEN(mi)];
-       mp->width = MI_WIN_WIDTH(mi);
-       mp->height = MI_WIN_HEIGHT(mi);
+
+       mp->width = MI_WIDTH(mi);
+       mp->height = MI_HEIGHT(mi);
         mp->pixelmode = (mp->width + mp->height < 200);
         mp->stage = 0;
         mp->time = 0;
         mp->x = mp->y = 0;
         mp->pixelmode = (mp->width + mp->height < 200);
         mp->stage = 0;
         mp->time = 0;
         mp->x = mp->y = 0;
-       if (!mp->first) {
-               mp->first = 1;
-               gcv.foreground = MI_WIN_WHITE_PIXEL(mi);
-               gcv.background = MI_WIN_BLACK_PIXEL(mi);
+       if (MI_IS_FULLRANDOM(mi)) {
+               mp->joke = (Bool) (NRAND(10) == 0);
+               mp->wireframe = (Bool) (LRAND() & 1);
+       } else {
+               mp->joke = False;
+               mp->wireframe = MI_IS_WIREFRAME(mi);
+       }
  
  
-               mp->stippled_GC = XCreateGC(MI_DISPLAY(mi), MI_WINDOW(mi),
-                                         GCForeground | GCBackground, &gcv);
+       if (mp->stippledGC == None) {
+               gcv.foreground = MI_WHITE_PIXEL(mi);
+               gcv.background = MI_BLACK_PIXEL(mi);
+               if ((mp->stippledGC = XCreateGC(MI_DISPLAY(mi), MI_WINDOW(mi),
+                                         GCForeground | GCBackground, &gcv)) == None)
+                       return;
         }
         }
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       MI_CLEARWINDOW(mi);
  
  
-       for (y = 0; y < WORLDWIDTH; y++)
-               for (x = 0; x < WORLDWIDTH; x++)
+       for (y = 0; y < (int) WORLDWIDTH; y++)
+               for (x = 0; x < (int) WORLDWIDTH; x++)
                         mp->h[x][y] = 0;
  
                         mp->h[x][y] = 0;
  
-       j = MI_BATCHCOUNT(mi);
+       j = MI_COUNT(mi);
         if (j < 0)
                 j = NRAND(-j) + 1;
         for (i = 0; i < j; i++)
         if (j < 0)
                 j = NRAND(-j) + 1;
         for (i = 0; i < j; i++)
@@ -191,16 +232,23 @@ init_mountain(ModeInfo * mi)
  void
  draw_mountain(ModeInfo * mi)
  {
  void
  draw_mountain(ModeInfo * mi)
  {
-       mountainstruct *mp = &mountains[MI_SCREEN(mi)];
+       mountainstruct *mp;
+
+       if (mountains == NULL)
+                       return;
+       mp = &mountains[MI_SCREEN(mi)];
+       if (mp->stippledGC == NULL)
+                       return;
+
+       MI_IS_DRAWN(mi) = True;
  
         switch (mp->stage) {
                 case 0:
                         drawamountain(mi);
                         break;
                 case 1:
  
         switch (mp->stage) {
                 case 0:
                         drawamountain(mi);
                         break;
                 case 1:
-                       MI_PAUSE(mi) = 2000000;
-                       /*if (++mp->time > MI_CYCLES(mi)); */
-                       mp->stage++;
+                       if (++mp->time > MI_CYCLES(mi))
+                               mp->stage++;
                         break;
                 case 2:
                         init_mountain(mi);
                         break;
                 case 2:
                         init_mountain(mi);
@@ -217,18 +265,26 @@ release_mountain(ModeInfo * mi)
                 for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
                         mountainstruct *mp = &mountains[screen];
  
                 for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
                         mountainstruct *mp = &mountains[screen];
  
-                       XFreeGC(MI_DISPLAY(mi), mp->stippled_GC);
+                       if (mp->stippledGC)
+                               XFreeGC(MI_DISPLAY(mi), mp->stippledGC);
                 }
                 (void) free((void *) mountains);
                 }
                 (void) free((void *) mountains);
-               mountains = NULL;
+               mountains = (mountainstruct *) NULL;
         }
  }
  
  void
  refresh_mountain(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_mountain(ModeInfo * mi)
  {
-       mountainstruct *mp = &mountains[MI_SCREEN(mi)];
+       mountainstruct *mp;
+
+       if (mountains == NULL)
+                       return;
+       mp = &mountains[MI_SCREEN(mi)];
  
  
+       MI_CLEARWINDOW(mi);
         mp->x = 0;
         mp->y = 0;
  }
         mp->x = 0;
         mp->y = 0;
  }
+
+#endif /* MODE_mountain */
diff --git a/hacks/noseguy.c b/hacks/noseguy.c

index 0bf10d82899aee773bee6174e58bc8f9910b1bbf..f7c8013dee02e3c7bf07ae26e624c33021269500 100644 (file)
--- a/hacks/noseguy.c
+++ b/hacks/noseguy.c
@@ -16,6 +16,7 @@
   */
  
  #include "screenhack.h"
   */
  
  #include "screenhack.h"
+#include "xpm-pixmap.h"
  #include <stdio.h>
  
  extern FILE *popen (const char *, const char *);
  #include <stdio.h>
  
  extern FILE *popen (const char *, const char *);
@@ -56,9 +57,7 @@ static int state;     /* indicates states: walking or getting passwd */
  
  static void (*next_fn) (void);
  
  
  static void (*next_fn) (void);
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-
+#if defined(HAVE_GDK_PIXBUF) || defined(HAVE_XPM)
  # include "images/noseguy/nose-f1.xpm"
  # include "images/noseguy/nose-f2.xpm"
  # include "images/noseguy/nose-f3.xpm"
  # include "images/noseguy/nose-f1.xpm"
  # include "images/noseguy/nose-f2.xpm"
  # include "images/noseguy/nose-f3.xpm"
@@ -86,41 +85,19 @@ init_images (void)
      &left_front, &right_front, &front, &down
    };
    int i;
      &left_front, &right_front, &front, &down
    };
    int i;
-#ifdef HAVE_XPM
+#if defined(HAVE_GDK_PIXBUF) || defined(HAVE_XPM)
+
    static char **bits[] = {
      nose_l1_xpm, nose_l2_xpm, nose_r1_xpm, nose_r2_xpm,
      nose_f2_xpm, nose_f3_xpm, nose_f1_xpm, nose_f4_xpm
    };
    static char **bits[] = {
      nose_l1_xpm, nose_l2_xpm, nose_r1_xpm, nose_r2_xpm,
      nose_f2_xpm, nose_f3_xpm, nose_f1_xpm, nose_f4_xpm
    };
+
+
    for (i = 0; i < sizeof (images) / sizeof(*images); i++)
      {
    for (i = 0; i < sizeof (images) / sizeof(*images); i++)
      {
-      XWindowAttributes xgwa;
-      XpmAttributes xpmattrs;
-      Pixmap pixmap = 0;
-      int result;
-      xpmattrs.valuemask = 0;
-
-      XGetWindowAttributes (dpy, window, &xgwa);
-
-# ifdef XpmCloseness
-      xpmattrs.valuemask |= XpmCloseness;
-      xpmattrs.closeness = 40000;
-# endif
-# ifdef XpmVisual
-      xpmattrs.valuemask |= XpmVisual;
-      xpmattrs.visual = xgwa.visual;
-# endif
-# ifdef XpmDepth
-      xpmattrs.valuemask |= XpmDepth;
-      xpmattrs.depth = xgwa.depth;
-# endif
-# ifdef XpmColormap
-      xpmattrs.valuemask |= XpmColormap;
-      xpmattrs.colormap = xgwa.colormap;
-# endif
-
-      result = XpmCreatePixmapFromData(dpy, window, bits[i],
-                                      &pixmap, 0 /* mask */, &xpmattrs);
-      if (!pixmap || (result != XpmSuccess && result != XpmColorError))
+      Pixmap pixmap = xpm_data_to_pixmap (dpy, window, bits[i],
+                                          0, 0, 0);
+      if (!pixmap)
         {
           fprintf (stderr, "%s: Can't load nose images\n", progname);
           exit (1);
         {
           fprintf (stderr, "%s: Can't load nose images\n", progname);
           exit (1);
diff --git a/hacks/penrose.c b/hacks/penrose.c

index 07e351fc60d6e0589a8e7ee81bc29cb112f4a530..0ec7d9739a0c409d95ee95b382023c6d106f463a 100644 (file)
--- a/hacks/penrose.c
+++ b/hacks/penrose.c
@@ -1,6 +1,5 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * penrose --- quasiperiodic tilings.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* penrose --- quasiperiodic tilings */
  
  /*  As reported in News of the Weird:
  
  
  /*  As reported in News of the Weird:
  
@@ -19,12 +18,13 @@
                                  http://www.nine.org/notw/notw.html
   */
  
                                  http://www.nine.org/notw/notw.html
   */
  
-
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)penrose.c    4.00 97/01/01 xlockmore";
+static const char sccsid[] = "@(#)penrose.c    5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1996 by Timo Korvola <tkorvola@dopey.hut.fi>
+/*-
+ * Copyright (c) 1996 by Timo Korvola <tkorvola@dopey.hut.fi>
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -39,8 +39,10 @@ static const char sccsid[] = "@(#)penrose.c  4.00 97/01/01 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- * 09-Sep-96: Written.  */
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Jamie Zawinski <jwz@jwz.org> compatible with xscreensaver
+ * 09-Sep-1996: Written.
+ */
  
  /*-
  Be careful, this probably still has a few bugs (many of which may only
  
  /*-
  Be careful, this probably still has a few bugs (many of which may only
@@ -63,7 +65,7 @@ If one of these are hit penrose will reinitialize.
   * untiled area.  Whenever this is in danger of happening, we just
   * do not add the tile, hoping for a better random choice the next
   * time.  Second, when choosing a vertex randomly, we will take
   * untiled area.  Whenever this is in danger of happening, we just
   * do not add the tile, hoping for a better random choice the next
   * time.  Second, when choosing a vertex randomly, we will take
- * one that lies withing the viewport if available.  If this seems to
+ * one that lies within the viewport if available.  If this seems to
   * cause enclosures in the forced rule case, we will allow invisible
   * vertices to be chosen.
   *
   * cause enclosures in the forced rule case, we will allow invisible
   * vertices to be chosen.
   *
@@ -73,65 +75,78 @@ If one of these are hit penrose will reinitialize.
   * horizontally or vertically or forced rule choice has failed 100
   * times due to areas about to become enclosed.
   *
   * horizontally or vertically or forced rule choice has failed 100
   * times due to areas about to become enclosed.
   *
+ * Introductory info:
+ * Science News March 23 1985 Vol 127, No. 12
+ * Science News July 16 1988 Vol 134, No. 3
+ * The Economist Sept 17 1988 pg. 100
+ *
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Penrose"
-# define HACK_INIT                                     init_penrose
-# define HACK_DRAW                                     draw_penrose
-# define penrose_opts                          xlockmore_opts
-# define DEFAULTS      "*delay:                10000 \n"                       \
-                                       "*size:                 40    \n"                       \
-                                       "*ncolors:              64   \n"
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
+#define MODE_penrose
+#define PROGCLASS "Penrose"
+#define HACK_INIT init_penrose
+#define HACK_DRAW draw_penrose
+#define penrose_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+ "*size: 40 \n" \
+ "*ncolors: 64 \n"
+#include "xlockmore.h"         /* from the xscreensaver distribution */
+#else /* !STANDALONE */
+#include "xlock.h"             /* from the xlockmore distribution */
  #endif /* !STANDALONE */
  
  #endif /* !STANDALONE */
  
+#ifdef MODE_penrose
  
  
-/*-
- * Annoyingly the ANSI C library people have reserved all identifiers
- * ending with _t for future use.  Hence we use _c as a suffix for
- * typedefs (c for class, although this is not C++).
- */
-
-#define MINSIZE 5
-
-/*-
- * In theory one could fit 10 tiles to a single vertex.  However, the
- * vertex rules only allow at most seven tiles to meet at a vertex.
- */
-
-#define MAX_TILES_PER_VERTEX 7
-#define N_VERTEX_RULES 8
-#define ALLOC_NODE( type) ((type *)malloc( sizeof( type)))
  #define DEF_AMMANN  "False"
  
  static Bool ammann;
  
  #define DEF_AMMANN  "False"
  
  static Bool ammann;
  
-/* How long in seconds should we wait before starting a new tiling? */
-static long redo_delay = 3;
-static long redo_delay_usec;
-
  static XrmOptionDescRec opts[] =
  {
  static XrmOptionDescRec opts[] =
  {
-       {"-ammann", ".penrose.ammann", XrmoptionNoArg, (caddr_t) "on"},
-       {"+ammann", ".penrose.ammann", XrmoptionNoArg, (caddr_t) "off"},
-       {"-redoDelay", ".penrose.redoDelay", XrmoptionSepArg, NULL}
+       {(char *) "-ammann", (char *) ".penrose.ammann", XrmoptionNoArg, (caddr_t) "on"},
+       {(char *) "+ammann", (char *) ".penrose.ammann", XrmoptionNoArg, (caddr_t) "off"}
  };
  static argtype vars[] =
  {
  };
  static argtype vars[] =
  {
-       {(caddr_t *) & ammann, "ammann", "Ammann", DEF_AMMANN, t_Bool},
-       {(caddr_t *) & redo_delay, "redoDelay", "RedoDelay", "3", t_Int}
+       {(caddr_t *) & ammann, (char *) "ammann", (char *) "Ammann", (char *) DEF_AMMANN, t_Bool}
  };
  static OptionStruct desc[] =
  {
  };
  static OptionStruct desc[] =
  {
-       {"-/+ammann", "turn on/off Ammann lines"},
-       {"-redoDelay", "delay between new tilings"}
+       {(char *) "-/+ammann", (char *) "turn on/off Ammann lines"}
  };
  
  };
  
-ModeSpecOpt penrose_opts = { 3, opts, 2, vars, desc };
+ModeSpecOpt penrose_opts =
+{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
+
+#ifdef USE_MODULES
+ModStruct   penrose_description =
+{"penrose", "init_penrose", "draw_penrose", "release_penrose",
+ "init_penrose", "init_penrose", (char *) NULL, &penrose_opts,
+ 10000, 1, 1, -40, 64, 1.0, "",
+ "Shows Penrose's quasiperiodic tilings", 0, NULL};
+
+#endif
+
+/*-
+ * Annoyingly the ANSI C library people have reserved all identifiers
+ * ending with _t for future use.  Hence we use _c as a suffix for
+ * typedefs (c for class, although this is not C++).
+ */
+
+#define MINSIZE 5
+
+/*-
+ * In theory one could fit 10 tiles to a single vertex.  However, the
+ * vertex rules only allow at most seven tiles to meet at a vertex.
+ */
+
+#define CELEBRATE 31415                /* This causes a pause, an error occurred. */
+#define COMPLETION 3141                /* This causes a pause, tiles filled up screen. */
  
  
+#define MAX_TILES_PER_VERTEX 7
+#define N_VERTEX_RULES 8
+#define ALLOC_NODE(type) (type *)malloc(sizeof (type))
  
  /*-
   * These are used to specify directions.  They can also be used in bit
  
  /*-
   * These are used to specify directions.  They can also be used in bit
@@ -180,7 +195,7 @@ typedef unsigned char vertex_type_c;
   * to fill.
   *
   * Here we use a doubly chained ring-like structure as vertices often need
   * to fill.
   *
   * Here we use a doubly chained ring-like structure as vertices often need
- * to be removed or inserted (they are kept in geometrical order 
+ * to be removed or inserted (they are kept in geometrical order
   * circling the tiled area counterclockwise).  The ring is refered to by
   * a pointer to one more or less random node.  When deleting nodes one
   * must make sure that this pointer continues to refer to a valid
   * circling the tiled area counterclockwise).  The ring is refered to by
   * a pointer to one more or less random node.  When deleting nodes one
   * must make sure that this pointer continues to refer to a valid
@@ -249,11 +264,12 @@ typedef struct {
         fringe_c    fringe;
         forced_pool_c forced;
         int         done, failures;
         fringe_c    fringe;
         forced_pool_c forced;
         int         done, failures;
-       int         thick_color, thin_color;
+       unsigned long thick_color, thin_color;
+       int         busyLoop;
+       Bool        ammann;
  } tiling_c;
  
  } tiling_c;
  
-static tiling_c *tilings;      /* = {0} */
-
+static tiling_c *tilings = (tiling_c *) NULL;
  
  /* The tiles are listed in counterclockwise order. */
  typedef struct {
  
  /* The tiles are listed in counterclockwise order. */
  typedef struct {
@@ -323,14 +339,14 @@ vertex_dir(ModeInfo * mi, fringe_node_c * vertex, unsigned side)
                                 return (2 * i + 5) % 10;
                 }
         tp->done = True;
                                 return (2 * i + 5) % 10;
                 }
         tp->done = True;
-       if (MI_WIN_IS_VERBOSE(mi)) {
+       if (MI_IS_VERBOSE(mi)) {
                 (void) fprintf(stderr,
                 (void) fprintf(stderr,
-                  "Weirdness in vertex_dir (this has been reported)\n");
+                      "Weirdness in vertex_dir (this has been reported)\n");
                 for (i = 0; i < 5; i++)
                         (void) fprintf(stderr, "v2->fived[%d]=%d, vertex->fived[%d]=%d\n",
                 for (i = 0; i < 5; i++)
                         (void) fprintf(stderr, "v2->fived[%d]=%d, vertex->fived[%d]=%d\n",
-                                     i, v2->fived[i], i, vertex->fived[i]);
+                                      i, v2->fived[i], i, vertex->fived[i]);
         }
         }
-       MI_PAUSE(mi) = redo_delay_usec;
+       tp->busyLoop = CELEBRATE;
         return 0;
  }
  
         return 0;
  }
  
@@ -356,8 +372,8 @@ add_unit_vec(angle_c dir, int *fived)
   * This computes screen coordinates from 5D representation.  Note that X
   * uses left-handed coordinates (y increases downwards).
   */
   * This computes screen coordinates from 5D representation.  Note that X
   * uses left-handed coordinates (y increases downwards).
   */
-static      XPoint
-fived_to_loc(int fived[], tiling_c * tp)
+static void
+fived_to_loc(int fived[], tiling_c * tp, XPoint *pt)
  {
         static fcoord_c fived_table[5] =
         {
  {
         static fcoord_c fived_table[5] =
         {
@@ -365,10 +381,11 @@ fived_to_loc(int fived[], tiling_c * tp)
         float       fifth = 8 * atan(1.) / 5;
         register int i;
         register float r;
         float       fifth = 8 * atan(1.) / 5;
         register int i;
         register float r;
-       register fcoord_c offset =
-       {.0, .0};
-       XPoint      pt = tp->origin;
+       register fcoord_c offset;
  
  
+       *pt = tp->origin;
+       offset.x = 0.0;
+       offset.y = 0.0;
         if (fived_table[0].x == .0)
                 for (i = 0; i < 5; i++) {
                         fived_table[i].x = cos(fifth * i);
         if (fived_table[0].x == .0)
                 for (i = 0; i < 5; i++) {
                         fived_table[i].x = cos(fifth * i);
@@ -379,32 +396,31 @@ fived_to_loc(int fived[], tiling_c * tp)
                 offset.x += r * fived_table[i].x;
                 offset.y -= r * fived_table[i].y;
         }
                 offset.x += r * fived_table[i].x;
                 offset.y -= r * fived_table[i].y;
         }
-       pt.x += (int) (offset.x + .5);
-       pt.y += (int) (offset.y + .5);
-       return pt;
+       (*pt).x += (int) (offset.x + .5);
+       (*pt).y += (int) (offset.y + .5);
  }
  
  
  /* Mop up dynamic data for one screen. */
  static void
  }
  
  
  /* Mop up dynamic data for one screen. */
  static void
-release_screen(tiling_c * tp)
+free_penrose(tiling_c * tp)
  {
         register fringe_node_c *fp1, *fp2;
         register forced_node_c *lp1, *lp2;
  
  {
         register fringe_node_c *fp1, *fp2;
         register forced_node_c *lp1, *lp2;
  
-       if (tp->fringe.nodes == 0)
+       if (tp->fringe.nodes == NULL)
                 return;
         fp1 = tp->fringe.nodes;
         do {
                 fp2 = fp1;
                 fp1 = fp1->next;
                 return;
         fp1 = tp->fringe.nodes;
         do {
                 fp2 = fp1;
                 fp1 = fp1->next;
-               (void) free((char *) fp2);
+               (void) free((void *) fp2);
         } while (fp1 != tp->fringe.nodes);
         } while (fp1 != tp->fringe.nodes);
-       tp->fringe.nodes = 0;
+       tp->fringe.nodes = (fringe_node_c *) NULL;
         for (lp1 = tp->forced.first; lp1 != 0;) {
                 lp2 = lp1;
                 lp1 = lp1->next;
         for (lp1 = tp->forced.first; lp1 != 0;) {
                 lp2 = lp1;
                 lp1 = lp1->next;
-               (void) free((char *) lp2);
+               (void) free((void *) lp2);
         }
         tp->forced.first = 0;
  }
         }
         tp->forced.first = 0;
  }
@@ -418,18 +434,22 @@ init_penrose(ModeInfo * mi)
         fringe_node_c *fp;
         int         i, size;
  
         fringe_node_c *fp;
         int         i, size;
  
-       redo_delay_usec = redo_delay * 1000000;
-
         if (tilings == NULL) {
                 if ((tilings = (tiling_c *) calloc(MI_NUM_SCREENS(mi),
                                                  sizeof (tiling_c))) == NULL)
                         return;
         }
         tp = &tilings[MI_SCREEN(mi)];
         if (tilings == NULL) {
                 if ((tilings = (tiling_c *) calloc(MI_NUM_SCREENS(mi),
                                                  sizeof (tiling_c))) == NULL)
                         return;
         }
         tp = &tilings[MI_SCREEN(mi)];
+
+       if (MI_IS_FULLRANDOM(mi))
+               tp->ammann = (Bool) (LRAND() & 1);
+       else
+               tp->ammann = ammann;
         tp->done = False;
         tp->done = False;
+       tp->busyLoop = 0;
         tp->failures = 0;
         tp->failures = 0;
-       tp->width = MI_WIN_WIDTH(mi);
-       tp->height = MI_WIN_HEIGHT(mi);
+       tp->width = MI_WIDTH(mi);
+       tp->height = MI_HEIGHT(mi);
         if (MI_NPIXELS(mi) > 2) {
                 tp->thick_color = NRAND(MI_NPIXELS(mi));
                 /* Insure good contrast */
         if (MI_NPIXELS(mi) > 2) {
                 tp->thick_color = NRAND(MI_NPIXELS(mi));
                 /* Insure good contrast */
@@ -451,36 +471,48 @@ init_penrose(ModeInfo * mi)
         tp->origin.x = (tp->width / 2 + NRAND(tp->width)) / 2;
         tp->origin.y = (tp->height / 2 + NRAND(tp->height)) / 2;
         tp->fringe.n_nodes = 2;
         tp->origin.x = (tp->width / 2 + NRAND(tp->width)) / 2;
         tp->origin.y = (tp->height / 2 + NRAND(tp->height)) / 2;
         tp->fringe.n_nodes = 2;
-       if (tp->fringe.nodes != 0)
-               release_screen(tp);
-       if (tp->fringe.nodes != 0 || tp->forced.first != 0) {
-               if (MI_WIN_IS_VERBOSE(mi)) {
+       if (tp->fringe.nodes != NULL)
+               free_penrose(tp);
+       if (tp->fringe.nodes != NULL || tp->forced.first != 0) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in init_penrose()\n");
                         (void) fprintf(stderr, "Weirdness in init_penrose()\n");
-                       (void) fprintf(stderr, "tp->fringe.nodes = 0 && tp->forced.first = 0\n");
+                       (void) fprintf(stderr, "tp->fringe.nodes = NULL && tp->forced.first = 0\n");
                 }
                 }
-               release_screen(tp);     /* Try again */
+               free_penrose(tp);       /* Try again */
                 tp->done = True;
         }
         tp->forced.n_nodes = tp->forced.n_visible = 0;
                 tp->done = True;
         }
         tp->forced.n_nodes = tp->forced.n_visible = 0;
-       fp = tp->fringe.nodes = ALLOC_NODE(fringe_node_c);
+       if ((fp = tp->fringe.nodes = ALLOC_NODE(fringe_node_c)) == NULL) {
+               free_penrose(tp);
+               return;
+       }
         if (fp == 0) {
         if (fp == 0) {
-               if (MI_WIN_IS_VERBOSE(mi)) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in init_penrose()\n");
                         (void) fprintf(stderr, "fp = 0\n");
                 }
                         (void) fprintf(stderr, "Weirdness in init_penrose()\n");
                         (void) fprintf(stderr, "fp = 0\n");
                 }
-               fp = tp->fringe.nodes = ALLOC_NODE(fringe_node_c);
+               if ((fp = tp->fringe.nodes = ALLOC_NODE(fringe_node_c)) == NULL) {
+                       free_penrose(tp);
+                       return;
+               }
                 tp->done = True;
         }
         /* First vertex. */
         fp->rule_mask = (1 << N_VERTEX_RULES) - 1;
         fp->list_ptr = 0;
                 tp->done = True;
         }
         /* First vertex. */
         fp->rule_mask = (1 << N_VERTEX_RULES) - 1;
         fp->list_ptr = 0;
-       fp->prev = fp->next = ALLOC_NODE(fringe_node_c);
+       if  ((fp->prev = fp->next = ALLOC_NODE(fringe_node_c)) == NULL) {
+               free_penrose(tp);
+               return;
+       }
         if (fp->next == 0) {
         if (fp->next == 0) {
-               if (MI_WIN_IS_VERBOSE(mi)) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in init_penrose()\n");
                         (void) fprintf(stderr, "fp->next = 0\n");
                 }
                         (void) fprintf(stderr, "Weirdness in init_penrose()\n");
                         (void) fprintf(stderr, "fp->next = 0\n");
                 }
-               fp->prev = fp->next = ALLOC_NODE(fringe_node_c);
+               if ((fp->prev = fp->next = ALLOC_NODE(fringe_node_c)) == NULL) {
+                       free_penrose(tp);
+                       return;
+               }
                 tp->done = True;
         }
         fp->n_tiles = 0;
                 tp->done = True;
         }
         fp->n_tiles = 0;
@@ -495,7 +527,7 @@ init_penrose(ModeInfo * mi)
         fp = fp->next;
         i = NRAND(5);
         fp->fived[i] = 2 * NRAND(2) - 1;
         fp = fp->next;
         i = NRAND(5);
         fp->fived[i] = 2 * NRAND(2) - 1;
-       fp->loc = fived_to_loc(fp->fived, tp);
+       fived_to_loc(fp->fived, tp, &(fp->loc));
         /* That's it!  We have created our first edge. */
  }
  
         /* That's it!  We have created our first edge. */
  }
  
@@ -646,12 +678,12 @@ draw_tile(fringe_node_c * v1, fringe_node_c * v2,
                 else
                         XSetForeground(display, gc, MI_PIXEL(mi, tp->thin_color));
         } else
                 else
                         XSetForeground(display, gc, MI_PIXEL(mi, tp->thin_color));
         } else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         XFillPolygon(display, window, gc, pts, 4, Convex, CoordModeOrigin);
         XFillPolygon(display, window, gc, pts, 4, Convex, CoordModeOrigin);
-       XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+       XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
         XDrawLines(display, window, gc, pts, 5, CoordModeOrigin);
  
         XDrawLines(display, window, gc, pts, 5, CoordModeOrigin);
  
-       if (ammann) {
+       if (tp->ammann) {
                 /* Draw some Ammann lines for debugging purposes.  This will probably
                    fail miserably on a b&w display. */
  
                 /* Draw some Ammann lines for debugging purposes.  This will probably
                    fail miserably on a b&w display. */
  
@@ -666,7 +698,7 @@ draw_tile(fringe_node_c * v1, fringe_node_c * v2,
                         if (MI_NPIXELS(mi) > 2)
                                 XSetForeground(display, gc, MI_PIXEL(mi, tp->thin_color));
                         else {
                         if (MI_NPIXELS(mi) > 2)
                                 XSetForeground(display, gc, MI_PIXEL(mi, tp->thin_color));
                         else {
-                               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+                               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
                                 XSetLineAttributes(display, gc, 1, LineOnOffDash, CapNotLast, JoinMiter);
                         }
                         XDrawLine(display, window, gc,
                                 XSetLineAttributes(display, gc, 1, LineOnOffDash, CapNotLast, JoinMiter);
                         }
                         XDrawLine(display, window, gc,
@@ -680,7 +712,7 @@ draw_tile(fringe_node_c * v1, fringe_node_c * v2,
                         if (MI_NPIXELS(mi) > 2)
                                 XSetForeground(display, gc, MI_PIXEL(mi, tp->thick_color));
                         else {
                         if (MI_NPIXELS(mi) > 2)
                                 XSetForeground(display, gc, MI_PIXEL(mi, tp->thick_color));
                         else {
-                               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+                               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
                                 XSetLineAttributes(display, gc, 1, LineOnOffDash, CapNotLast, JoinMiter);
                         }
                         XDrawLine(display, window, gc,
                                 XSetLineAttributes(display, gc, 1, LineOnOffDash, CapNotLast, JoinMiter);
                         }
                         XDrawLine(display, window, gc,
@@ -707,7 +739,7 @@ draw_tile(fringe_node_c * v1, fringe_node_c * v2,
   * might get called with an untileable vertex, causing ( n <= 1).
   * (This is what the tp->done checks for).
   *
   * might get called with an untileable vertex, causing ( n <= 1).
   * (This is what the tp->done checks for).
   *
- * A MI_PAUSE celebrates the dislocation.
+ * A delayLoop celebrates the dislocation.
   */
  static void
  check_vertex(ModeInfo * mi, fringe_node_c * vertex, tiling_c * tp)
   */
  static void
  check_vertex(ModeInfo * mi, fringe_node_c * vertex, tiling_c * tp)
@@ -718,10 +750,10 @@ check_vertex(ModeInfo * mi, fringe_node_c * vertex, tiling_c * tp)
  
         if (vertex->rule_mask == 0) {
                 tp->done = True;
  
         if (vertex->rule_mask == 0) {
                 tp->done = True;
-               if (MI_WIN_IS_VERBOSE(mi)) {
-                       (void) fprintf(stderr, "Dislocation occured!\n");
+               if (MI_IS_VERBOSE(mi)) {
+                       (void) fprintf(stderr, "Dislocation occurred!\n");
                 }
                 }
-               MI_PAUSE(mi) = redo_delay_usec; /* Should be able to recover */
+               tp->busyLoop = CELEBRATE;       /* Should be able to recover */
         }
         if (1 == find_completions(vertex, hits, n_hits, S_LEFT, 0 /*, False */ ))
                 forced_sides |= S_LEFT;
         }
         if (1 == find_completions(vertex, hits, n_hits, S_LEFT, 0 /*, False */ ))
                 forced_sides |= S_LEFT;
@@ -734,7 +766,7 @@ check_vertex(ModeInfo * mi, fringe_node_c * vertex, tiling_c * tp)
                         *vertex->list_ptr = node->next;
                         if (node->next != 0)
                                 node->next->vertex->list_ptr = vertex->list_ptr;
                         *vertex->list_ptr = node->next;
                         if (node->next != 0)
                                 node->next->vertex->list_ptr = vertex->list_ptr;
-                       free(node);
+                       (void) free((void *) node);
                         tp->forced.n_nodes--;
                         if (!vertex->off_screen)
                                 tp->forced.n_visible--;
                         tp->forced.n_nodes--;
                         if (!vertex->off_screen)
                                 tp->forced.n_visible--;
@@ -744,7 +776,8 @@ check_vertex(ModeInfo * mi, fringe_node_c * vertex, tiling_c * tp)
                 forced_node_c *node;
  
                 if (vertex->list_ptr == 0) {
                 forced_node_c *node;
  
                 if (vertex->list_ptr == 0) {
-                       node = ALLOC_NODE(forced_node_c);
+                       if ((node = ALLOC_NODE(forced_node_c)) == NULL)
+                               return;
                         node->vertex = vertex;
                         node->next = tp->forced.first;
                         if (tp->forced.first != 0)
                         node->vertex = vertex;
                         node->next = tp->forced.first;
                         if (tp->forced.first != 0)
@@ -772,11 +805,11 @@ delete_vertex(ModeInfo * mi, fringe_node_c * vertex, tiling_c * tp)
  {
         if (tp->fringe.nodes == vertex) {
                 tp->done = True;
  {
         if (tp->fringe.nodes == vertex) {
                 tp->done = True;
-               if (MI_WIN_IS_VERBOSE(mi)) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in delete_penrose()\n");
                         (void) fprintf(stderr, "tp->fringe.nodes == vertex\n");
                 }
                         (void) fprintf(stderr, "Weirdness in delete_penrose()\n");
                         (void) fprintf(stderr, "tp->fringe.nodes == vertex\n");
                 }
-               MI_PAUSE(mi) = redo_delay_usec;
+               tp->busyLoop = CELEBRATE;
         }
         if (vertex->list_ptr != 0) {
                 forced_node_c *node = *vertex->list_ptr;
         }
         if (vertex->list_ptr != 0) {
                 forced_node_c *node = *vertex->list_ptr;
@@ -784,19 +817,21 @@ delete_vertex(ModeInfo * mi, fringe_node_c * vertex, tiling_c * tp)
                 *vertex->list_ptr = node->next;
                 if (node->next != 0)
                         node->next->vertex->list_ptr = vertex->list_ptr;
                 *vertex->list_ptr = node->next;
                 if (node->next != 0)
                         node->next->vertex->list_ptr = vertex->list_ptr;
-               free(node);
+               (void) free((void *) node);
                 tp->forced.n_nodes--;
                 if (!vertex->off_screen)
                         tp->forced.n_visible--;
         }
         if (!vertex->off_screen)
                 tp->fringe.n_nodes--;
                 tp->forced.n_nodes--;
                 if (!vertex->off_screen)
                         tp->forced.n_visible--;
         }
         if (!vertex->off_screen)
                 tp->fringe.n_nodes--;
-       free(vertex);
+       (void) free((void *) vertex);
  }
  
  
  }
  
  
-/* Check whether the addition of a tile of type vtype would completely fill *
-   the space available at vertex. */
+/*-
+ * Check whether the addition of a tile of type vtype would completely fill
+ * the space available at vertex.
+ */
  static int
  fills_vertex(ModeInfo * mi, vertex_type_c vtype, fringe_node_c * vertex)
  {
  static int
  fills_vertex(ModeInfo * mi, vertex_type_c vtype, fringe_node_c * vertex)
  {
@@ -834,7 +869,7 @@ fringe_changes(ModeInfo * mi, fringe_node_c * vertex,
                fringe_node_c ** right, fringe_node_c ** far,
                fringe_node_c ** left)
  {
                fringe_node_c ** right, fringe_node_c ** far,
                fringe_node_c ** left)
  {
-       fringe_node_c *v, *f = NULL;
+       fringe_node_c *v, *f = (fringe_node_c *) NULL;
         unsigned    result = FC_NEW_FAR;        /* We clear this later if necessary. */
  
         if (far)
         unsigned    result = FC_NEW_FAR;        /* We clear this later if necessary. */
  
         if (far)
@@ -908,19 +943,19 @@ add_vtype(fringe_node_c * vertex, unsigned side, vertex_type_c vtype)
  static fringe_node_c *
  alloc_vertex(ModeInfo * mi, angle_c dir, fringe_node_c * from, tiling_c * tp)
  {
  static fringe_node_c *
  alloc_vertex(ModeInfo * mi, angle_c dir, fringe_node_c * from, tiling_c * tp)
  {
-       fringe_node_c *v = ALLOC_NODE(fringe_node_c);
+       fringe_node_c *v;
  
  
-       if (v == 0) {
+       if ((v = ALLOC_NODE(fringe_node_c)) == NULL) {
                 tp->done = True;
                 tp->done = True;
-               if (MI_WIN_IS_VERBOSE(mi)) {
-                       (void) fprintf(stderr, "Weirdness in alloc_vertex()\n");
-                       (void) fprintf(stderr, "v = 0\n");
+               if (MI_IS_VERBOSE(mi)) {
+                       (void) fprintf(stderr, "No memory in alloc_vertex()\n");
                 }
                 }
-               MI_PAUSE(mi) = redo_delay_usec;
+               tp->busyLoop = CELEBRATE;
+               return v;
         }
         *v = *from;
         add_unit_vec(dir, v->fived);
         }
         *v = *from;
         add_unit_vec(dir, v->fived);
-       v->loc = fived_to_loc(v->fived, tp);
+       fived_to_loc(v->fived, tp, &(v->loc));
         if (v->loc.x < 0 || v->loc.y < 0
             || v->loc.x >= tp->width || v->loc.y >= tp->height) {
                 v->off_screen = True;
         if (v->loc.x < 0 || v->loc.y < 0
             || v->loc.x >= tp->width || v->loc.y >= tp->height) {
                 v->off_screen = True;
@@ -937,7 +972,7 @@ alloc_vertex(ModeInfo * mi, angle_c dir, fringe_node_c * from, tiling_c * tp)
         return v;
  }
  
         return v;
  }
  
-/* 
+/*-
   * Add a tile described by vtype to the side of vertex.  This must be
   * allowed by the rules -- we do not check it here.  New vertices are
   * allocated as necessary.  The fringe and the forced vertex pool are updated.
   * Add a tile described by vtype to the side of vertex.  This must be
   * allowed by the rules -- we do not check it here.  New vertices are
   * allocated as necessary.  The fringe and the forced vertex pool are updated.
@@ -954,9 +989,9 @@ add_tile(ModeInfo * mi,
         tiling_c   *tp = &tilings[MI_SCREEN(mi)];
  
         fringe_node_c
         tiling_c   *tp = &tilings[MI_SCREEN(mi)];
  
         fringe_node_c
-               * left = 0,
-               *right = 0,
-               *far = 0,
+               *left = (fringe_node_c *) NULL,
+               *right = (fringe_node_c *) NULL,
+               *far = (fringe_node_c *) NULL,
                 *node;
         unsigned    fc = fringe_changes(mi, vertex, side, vtype, &right, &far, &left);
  
                 *node;
         unsigned    fc = fringe_changes(mi, vertex, side, vtype, &right, &far, &left);
  
@@ -971,25 +1006,29 @@ add_tile(ModeInfo * mi,
         /* This should never occur. */
         if (fc & FC_BAG) {
                 tp->done = True;
         /* This should never occur. */
         if (fc & FC_BAG) {
                 tp->done = True;
-               if (MI_WIN_IS_VERBOSE(mi)) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in add_tile()\n");
                         (void) fprintf(stderr, "fc = %d, FC_BAG = %d\n", fc, FC_BAG);
                 }
         }
         if (side == S_LEFT) {
                         (void) fprintf(stderr, "Weirdness in add_tile()\n");
                         (void) fprintf(stderr, "fc = %d, FC_BAG = %d\n", fc, FC_BAG);
                 }
         }
         if (side == S_LEFT) {
-               if (right == 0)
-                       right = alloc_vertex(mi,
-                                            vertex_dir(mi, vertex, S_LEFT) - vtype_angle(vtype), vertex, tp);
-               if (far == 0)
-                       far = alloc_vertex(mi,
-                                          vertex_dir(mi, left, S_RIGHT) + vtype_angle(ltype), left, tp);
+               if (right == NULL)
+                       if ((right = alloc_vertex(mi, vertex_dir(mi, vertex, S_LEFT) -
+                                       vtype_angle(vtype), vertex, tp)) == NULL)
+                               return False;
+               if (far == NULL)
+                       if ((far = alloc_vertex(mi, vertex_dir(mi, left, S_RIGHT) +
+                                       vtype_angle(ltype), left, tp)) == NULL)
+                               return False;
         } else {
         } else {
-               if (left == 0)
-                       left = alloc_vertex(mi,
-                                           vertex_dir(mi, vertex, S_RIGHT) + vtype_angle(vtype), vertex, tp);
-               if (far == 0)
-                       far = alloc_vertex(mi,
-                                          vertex_dir(mi, right, S_LEFT) - vtype_angle(rtype), right, tp);
+               if (left == NULL)
+                       if ((left = alloc_vertex(mi, vertex_dir(mi, vertex, S_RIGHT) +
+                                       vtype_angle(vtype), vertex, tp)) == NULL)
+                               return False;
+               if (far == NULL)
+                       if ((far = alloc_vertex(mi, vertex_dir(mi, right, S_LEFT) -
+                                       vtype_angle(rtype), right, tp)) == NULL)
+                               return False;
         }
  
         /* Having allocated the new vertices, but before joining them with
         }
  
         /* Having allocated the new vertices, but before joining them with
@@ -1092,7 +1131,7 @@ add_forced_tile(ModeInfo * mi, forced_node_c * node)
         n = find_completions(node->vertex, hits, n, side, &vtype /*, True */ );
         if (n <= 0) {
                 tp->done = True;
         n = find_completions(node->vertex, hits, n, side, &vtype /*, True */ );
         if (n <= 0) {
                 tp->done = True;
-               if (MI_WIN_IS_VERBOSE(mi)) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in add_forced_tile()\n");
                         (void) fprintf(stderr, "n = %d\n", n);
                 }
                         (void) fprintf(stderr, "Weirdness in add_forced_tile()\n");
                         (void) fprintf(stderr, "n = %d\n", n);
                 }
@@ -1145,14 +1184,14 @@ add_random_tile(fringe_node_c * vertex, ModeInfo * mi)
                 tp->thin_color = (NRAND(2 * MI_NPIXELS(mi) / 3) + tp->thick_color +
                                   MI_NPIXELS(mi) / 6) % MI_NPIXELS(mi);
         } else
                 tp->thin_color = (NRAND(2 * MI_NPIXELS(mi) / 3) + tp->thick_color +
                                   MI_NPIXELS(mi) / 6) % MI_NPIXELS(mi);
         } else
-               tp->thick_color = tp->thin_color = MI_WIN_WHITE_PIXEL(mi);
+               tp->thick_color = tp->thin_color = MI_WHITE_PIXEL(mi);
         n_hits = match_rules(vertex, hits, False);
         side = NRAND(2) ? S_LEFT : S_RIGHT;
         n = find_completions(vertex, hits, n_hits, side, vtypes /*, False */ );
         /* One answer would mean a forced tile. */
         if (n <= 0) {
                 tp->done = True;
         n_hits = match_rules(vertex, hits, False);
         side = NRAND(2) ? S_LEFT : S_RIGHT;
         n = find_completions(vertex, hits, n_hits, side, vtypes /*, False */ );
         /* One answer would mean a forced tile. */
         if (n <= 0) {
                 tp->done = True;
-               if (MI_WIN_IS_VERBOSE(mi)) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in add_random_tile()\n");
                         (void) fprintf(stderr, "n = %d\n", n);
                 }
                         (void) fprintf(stderr, "Weirdness in add_random_tile()\n");
                         (void) fprintf(stderr, "n = %d\n", n);
                 }
@@ -1163,7 +1202,7 @@ add_random_tile(fringe_node_c * vertex, ModeInfo * mi)
                 fc = fringe_changes(mi, vertex, side, vtypes[i], &right, &far, &left);
                 if (fc & FC_BAG) {
                         tp->done = True;
                 fc = fringe_changes(mi, vertex, side, vtypes[i], &right, &far, &left);
                 if (fc & FC_BAG) {
                         tp->done = True;
-                       if (MI_WIN_IS_VERBOSE(mi)) {
+                       if (MI_IS_VERBOSE(mi)) {
                                 (void) fprintf(stderr, "Weirdness in add_random_tile()\n");
                                 (void) fprintf(stderr, "fc = %d, FC_BAG = %d\n", fc, FC_BAG);
                         }
                                 (void) fprintf(stderr, "Weirdness in add_random_tile()\n");
                                 (void) fprintf(stderr, "fc = %d, FC_BAG = %d\n", fc, FC_BAG);
                         }
@@ -1194,7 +1233,7 @@ add_random_tile(fringe_node_c * vertex, ModeInfo * mi)
         }
         if (n_good <= 0) {
                 tp->done = True;
         }
         if (n_good <= 0) {
                 tp->done = True;
-               if (MI_WIN_IS_VERBOSE(mi)) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in add_random_tile()\n");
                         (void) fprintf(stderr, "n_good = %d\n", n_good);
                 }
                         (void) fprintf(stderr, "Weirdness in add_random_tile()\n");
                         (void) fprintf(stderr, "n_good = %d\n", n_good);
                 }
@@ -1204,13 +1243,12 @@ add_random_tile(fringe_node_c * vertex, ModeInfo * mi)
                 while (no_good & (1 << j))
                         j++;
  
                 while (no_good & (1 << j))
                         j++;
  
-       i = add_tile(mi, vertex, side, vtypes[j - 1]);
-       if (!i) {
+       if (!add_tile(mi, vertex, side, vtypes[j - 1])) {
                 tp->done = True;
                 tp->done = True;
-               if (MI_WIN_IS_VERBOSE(mi)) {
+               if (MI_IS_VERBOSE(mi)) {
                         (void) fprintf(stderr, "Weirdness in add_random_tile()\n");
                         (void) fprintf(stderr, "Weirdness in add_random_tile()\n");
-                       (void) fprintf(stderr, "i = %d\n", i);
                 }
                 }
+               free_penrose(tp);
         }
  }
  
         }
  }
  
@@ -1218,26 +1256,40 @@ add_random_tile(fringe_node_c * vertex, ModeInfo * mi)
  void
  draw_penrose(ModeInfo * mi)
  {
  void
  draw_penrose(ModeInfo * mi)
  {
-       tiling_c   *tp = &tilings[MI_SCREEN(mi)];
         int         i = 0, n;
         int         i = 0, n;
-       forced_node_c *p = tp->forced.first;
+       forced_node_c *p;
+       tiling_c   *tp;
  
  
+       if (tilings == NULL)
+               return;
+       tp = &tilings[MI_SCREEN(mi)];
+       if (tp->fringe.nodes == NULL)
+               return;
+
+       MI_IS_DRAWN(mi) = True;
+       p = tp->forced.first;
+       if (tp->busyLoop > 0) {
+               tp->busyLoop--;
+               return;
+       }
         if (tp->done || tp->failures >= 100) {
                 init_penrose(mi);
                 return;
         }
         /* Check for the initial "2-gon". */
         if (tp->fringe.nodes->prev == tp->fringe.nodes->next) {
         if (tp->done || tp->failures >= 100) {
                 init_penrose(mi);
                 return;
         }
         /* Check for the initial "2-gon". */
         if (tp->fringe.nodes->prev == tp->fringe.nodes->next) {
-               vertex_type_c vtype = VT_TOTAL_MASK & LRAND();
+               vertex_type_c vtype = (unsigned char) (VT_TOTAL_MASK & LRAND());
+
+               MI_CLEARWINDOW(mi);
  
  
-               XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
-               (void) add_tile(mi, tp->fringe.nodes, S_LEFT, vtype);
+               if (!add_tile(mi, tp->fringe.nodes, S_LEFT, vtype))
+                       free_penrose(tp);
                 return;
         }
         /* No visible nodes left. */
         if (tp->fringe.n_nodes == 0) {
                 tp->done = True;
                 return;
         }
         /* No visible nodes left. */
         if (tp->fringe.n_nodes == 0) {
                 tp->done = True;
-               MI_PAUSE(mi) = redo_delay_usec; /* Just finished drawing */
+               tp->busyLoop = COMPLETION;      /* Just finished drawing */
                 return;
         }
         if (tp->forced.n_visible > 0 && tp->failures < 10) {
                 return;
         }
         if (tp->forced.n_visible > 0 && tp->failures < 10) {
@@ -1255,15 +1307,15 @@ draw_penrose(ModeInfo * mi)
                 while (i++ < n)
                         p = p->next;
         } else {
                 while (i++ < n)
                         p = p->next;
         } else {
-               fringe_node_c *p = tp->fringe.nodes;
+               fringe_node_c *fringe_p = tp->fringe.nodes;
  
                 n = NRAND(tp->fringe.n_nodes);
                 i = 0;
                 for (; i <= n; i++)
                         do {
  
                 n = NRAND(tp->fringe.n_nodes);
                 i = 0;
                 for (; i <= n; i++)
                         do {
-                               p = p->next;
-                       } while (p->off_screen);
-               add_random_tile(p, mi);
+                               fringe_p = fringe_p->next;
+                       } while (fringe_p->off_screen);
+               add_random_tile(fringe_p, mi);
                 tp->failures = 0;
                 return;
         }
                 tp->failures = 0;
                 return;
         }
@@ -1281,12 +1333,11 @@ release_penrose(ModeInfo * mi)
         if (tilings != NULL) {
                 int         screen;
  
         if (tilings != NULL) {
                 int         screen;
  
-               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
-                       tiling_c   *tp = &tilings[screen];
-
-                       release_screen(tp);
-               }
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_penrose(&tilings[screen]);
                 (void) free((void *) tilings);
                 (void) free((void *) tilings);
-               tilings = NULL;
+               tilings = (tiling_c *) NULL;
         }
  }
         }
  }
+
+#endif /* MODE_penrose */
diff --git a/hacks/polyominoes.c b/hacks/polyominoes.c

new file mode 100644 (file)

index 0000000..87b5c74
--- /dev/null
+++ b/hacks/polyominoes.c
@@ -0,0 +1,2315 @@
+/* -*- Mode: C; tab-width: 4 -*- */
+/* polyominoes --- Shows attempts to place polyominoes into a rectangle */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)polyominoes.c 5.01 2000/12/18 xlockmore";
+
+#endif
+
+/*
+ * Copyright (c) 2000 by Stephen Montgomery-Smith <stephen@math.missouri.edu>
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * Revision History:
+ * 07-Jan-2001: Made improvement to the search algorithm for the puzzles
+ *              involving identical polyominoes (via the variable 
+ *              reason_to_not_attach).  By Stephen Montgomery-Smith.
+ * 20-Dec-2000: Added more puzzles at David Bagley's request.
+ * 27-Nov-2000: Adapted from euler2d.c Copyright (c) 2000 by Stephen
+ *              Montgomery-Smith
+ * 05-Jun-2000: Adapted from flow.c Copyright (c) 1996 by Tim Auckland
+ * 18-Jul-1996: Adapted from swarm.c Copyright (c) 1991 by Patrick J. Naughton.
+ * 31-Aug-1990: Adapted from xswarm by Jeff Butterworth. (butterwo@ncsc.org)
+ */
+
+#ifdef STANDALONE
+#define MODE_polyominoes
+#define PROGCLASS "Polyominoes"
+#define HACK_INIT init_polyominoes
+#define HACK_DRAW draw_polyominoes
+#define polyominoes_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+"*cycles: 2000 \n" \
+"*ncolors: 64 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#include "erase.h"
+#include <X11/Xutil.h>
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_polyominoes
+#define DEF_IDENTICAL "False"
+#define DEF_PLAIN "False"
+
+static Bool identical;
+static Bool plain;
+
+static XrmOptionDescRec opts[] =
+{
+  {(char *) "-identical", (char *) ".polyominoes.identical", XrmoptionNoArg, (caddr_t) "on"},
+  {(char *) "+identical", (char *) ".polyominoes.identical", XrmoptionNoArg, (caddr_t) "off"},
+  {(char *) "-plain", (char *) ".polyominoes.plain", XrmoptionNoArg, (caddr_t) "on"},
+  {(char *) "+plain", (char *) ".polyominoes.plain", XrmoptionNoArg, (caddr_t) "off"}
+};
+static argtype vars[] =
+{
+  {(caddr_t *) &identical, (char *) "identical", (char *) "Identical", (char *) DEF_IDENTICAL, t_Bool},
+  {(caddr_t *) & plain, (char *) "plain", (char *) "Plain", (char *) DEF_PLAIN, t_Bool}
+};
+static OptionStruct desc[] =
+{
+  {(char *) "-/+identical", (char *) "turn on/off puzzles where the polyomino pieces are identical"},
+  {(char *) "-/+plain", (char *) "turn on/off plain pieces"}
+};
+
+ModeSpecOpt polyominoes_opts =
+{sizeof opts / sizeof opts[0], opts,
+ sizeof vars / sizeof vars[0], vars, desc};
+
+#ifdef USE_MODULES
+ModStruct   polyominoes_description = {
+  "polyominoes", "init_polyominoes", "draw_polyominoes", "release_polyominoes",
+  "refresh_polyominoes", "init_polyominoes", (char *) NULL, &polyominoes_opts,
+  6000, 1, 8192, 1, 64, 1.0, "",
+  "Shows attempts to place polyominoes into a rectangle", 0, NULL
+};
+
+#endif
+
+/* Each polyomino is described by several quantities:
+   len:             the number of squares in the polyomino;
+   point:           the list of points;
+   tranform_len:    the number of items in transform_list;
+   transform_list:  a list of transformations that need to be done in order
+                    to get all rotations and reflections (see the function
+                    transform below);
+   max_white:       the maximum number of white squares covered if polyomino
+                    is placed on a chess board;
+   color:           it's display color;
+   attached:        whether it is currently attached to the rectangle;
+   attach_point:    point on rectangle where attached;
+   point_no:        the number of the point where it is attached;
+   transform_index: which element of transform_list is currently being used.
+*/
+
+typedef struct {int x,y;} point_type;
+
+typedef struct {int len; point_type *point;
+                int transform_len, transform_list[8], max_white;
+               unsigned long color;
+               int attached;
+               point_type attach_point;
+               int point_no, transform_index;} polyomino_type;
+
+
+typedef struct _polyominoesstruct{
+  int wait;
+
+  int width, height;
+  unsigned border_color;
+  int mono;
+
+  polyomino_type *polyomino;
+  int nr_polyominoes;
+  Bool identical, use3D;
+  int *attach_list;
+  int nr_attached;
+
+/* The array that tells where the polyominoes are attached. */
+  int *array, *changed_array;
+
+/* These specify the dimensions of how things appear on the screen. */
+  int box, x_margin, y_margin;
+
+/* These booleans decide in which way to try to attach the polyominoes. */
+  int left_right, top_bottom;
+
+/* Bitmaps for display purposes. */
+  int use_bitmaps;
+  XImage *bitmaps[256];
+
+/* Structures used for display purposes if there is not enough memory
+   to allocate bitmaps (or if the screen is small). */
+  XSegment *lines;
+  XRectangle *rectangles;
+
+/* A procedure that may be used to see if certain configurations
+   are permissible. */
+  int (*check_ok)(struct _polyominoesstruct *sp);
+
+/* Tells program that solutions are invariant under 180 degree
+   rotation. */
+  int rot180;
+
+/* This is a variable used in the case that all the polyominoes are identical
+   that will further prune the search tree.  Essentially it will be
+   int reason_to_not_attach[nr_polynominoes][nr_polynominoes];
+   Let me first explain the effect it is trying to overcome.  Often
+   in the search process, the computer will first try to fit shapes into
+   a region (call it A), and then into another region (call it B) that is
+   essentially disjoint from A.  But it may be that it just is not possible
+   to fit shapes into region B.  So it fits something into A, and then
+   tries to fit something into B.  Failing it fits something else into A,
+   and then tried again to fit something into B.  Thus the program is trying
+   again and again to fit something into B, when it should have figured out
+   the first time that it was impossible.
+
+   To overcome this, everytime we try to attach a piece, we collect the reasons
+   why it cannot be attached (a boolean for each piece that got in the way).
+   If we see that a piece cannot be attached, we detach the other pieces until
+   we have detached at least one piece for which the boolean reason_to_not_attach
+   is set.
+*/
+  int *reason_to_not_attach;
+
+  int counter;
+} polyominoesstruct;
+
+#define ARRAY(x,y)         (sp->array[(x)*sp->height+(y)])
+#define CHANGED_ARRAY(x,y) (sp->changed_array[(x)*sp->height+(y)])
+#define ARRAY_P(p)         (sp->array[(p).x*sp->height+(p).y])
+#define CHANGED_ARRAY_P(p) (sp->changed_array[(p).x*sp->height+(p).y])
+#define ARR(x,y) (((x)<0||(x)>=sp->width||(y)<0||(y)>=sp->height)?-2:ARRAY(x,y))
+
+#define REASON_TO_NOT_ATTACH(x,y) (sp->reason_to_not_attach[(x)*sp->nr_polyominoes+(y)])
+
+#define ROUND8(n) ((((n)+7)/8)*8)
+
+/* Defines to index the bitmaps.  A set bit indicates that an edge or
+   corner is required. */
+#define LEFT (1<<0)
+#define RIGHT (1<<1)
+#define UP (1<<2)
+#define DOWN (1<<3)
+#define LEFT_UP (1<<4)
+#define LEFT_DOWN (1<<5)
+#define RIGHT_UP (1<<6)
+#define RIGHT_DOWN (1<<7)
+#define IS_LEFT(n) ((n) & LEFT)
+#define IS_RIGHT(n) ((n) & RIGHT)
+#define IS_UP(n) ((n) & UP)
+#define IS_DOWN(n) ((n) & DOWN)
+#define IS_LEFT_UP(n) ((n) & LEFT_UP)
+#define IS_LEFT_DOWN(n) ((n) & LEFT_DOWN)
+#define IS_RIGHT_UP(n) ((n) & RIGHT_UP)
+#define IS_RIGHT_DOWN(n) ((n) & RIGHT_DOWN)
+
+/* Defines to access the bitmaps. */
+#define BITNO(x,y) ((x)+(y)*ROUND8(sp->box))
+#define SETBIT(n,x,y) {data[BITNO(x,y)/8] |= 1<<(BITNO(x,y)%8);}
+#define RESBIT(n,x,y) {data[BITNO(x,y)/8] &= ~(1<<(BITNO(x,y)%8));}
+#define TWOTHIRDSBIT(n,x,y) {if ((x+y-1)%3) SETBIT(n,x,y) else RESBIT(n,x,y)}
+#define HALFBIT(n,x,y) {if ((x-y)%2) SETBIT(n,x,y) else RESBIT(n,x,y)}
+#define THIRDBIT(n,x,y) {if (!((x-y-1)%3)) SETBIT(n,x,y) else RESBIT(n,x,y)}
+#define THREEQUARTERSBIT(n,x,y) \
+  {if ((y%2)||((x+2+y/2+1)%2)) SETBIT(n,x,y) else RESBIT(n,x,y)}
+#define NOTHALFBIT(n,x,y) {if ((x-y)%2) RESBIT(n,x,y) else SETBIT(n,x,y)}
+
+/* Parameters for bitmaps. */
+#define G ((sp->box/45)+1)         /* 1/2 of gap between polyominoes. */
+#define T ((sp->box<=12)?1:(G*2))  /* Thickness of walls of polyominoes. */
+#define R ((sp->box<=12)?1:(G*6))  /* Amount of rounding. */
+#define RT ((sp->box<=12)?1:(G*3)) /* Thickness of wall of rounded parts. 
+                                      Here 3 is an approximation to 2 sqrt(2). */
+#define RR 0   /* Roof ridge thickness */
+
+#if 0
+/* A list of those bitmaps we need to create to display any pentomino. */
+/* (not used right now because it does not seem to work for hexonimoes.) */
+
+static int bitmaps_needed[] =
+{
+ LEFT_UP|LEFT_DOWN|RIGHT_UP|RIGHT_DOWN,
+
+ LEFT|RIGHT_UP|RIGHT_DOWN,
+ RIGHT|LEFT_UP|LEFT_DOWN,
+ UP|LEFT_DOWN|RIGHT_DOWN,
+ DOWN|LEFT_UP|RIGHT_UP,
+ LEFT|RIGHT_UP,
+ RIGHT|LEFT_UP,
+ UP|LEFT_DOWN,
+ DOWN|LEFT_UP,
+ LEFT|RIGHT_DOWN,
+ RIGHT|LEFT_DOWN,
+ UP|RIGHT_DOWN,
+ DOWN|RIGHT_UP,
+
+/* These needed for hexonimoes*/
+ LEFT,
+ RIGHT,
+ UP,
+ DOWN,
+ LEFT_DOWN|RIGHT_UP|RIGHT_DOWN,
+ LEFT_UP|RIGHT_UP|RIGHT_DOWN,
+ LEFT_UP|LEFT_DOWN|RIGHT_DOWN,
+ LEFT_UP|LEFT_DOWN|RIGHT_UP,
+
+ LEFT|UP|RIGHT_DOWN,
+ LEFT|DOWN|RIGHT_UP,
+ RIGHT|UP|LEFT_DOWN,
+ RIGHT|DOWN|LEFT_UP,
+ LEFT|UP,
+ LEFT|DOWN,
+ RIGHT|UP,
+ RIGHT|DOWN,
+
+ LEFT|RIGHT,
+ UP|DOWN,
+
+ RIGHT|UP|DOWN,
+ LEFT|UP|DOWN,
+ LEFT|RIGHT|DOWN,
+ LEFT|RIGHT|UP,
+
+ -1
+};
+
+static int bitmap_needed(int n) {
+  int i;
+
+  for (i=0;bitmaps_needed[i]!=-1;i++)
+    if (n == bitmaps_needed[i])
+      return 1;
+  return 0;
+}
+
+#endif
+
+/* Some debugging routines.
+
+static void print_board(polyominoesstruct *sp) {
+  int x,y;
+  for (y=0;y<sp->height;y++) {
+    for (x=0;x<sp->width;x++)
+      if (ARRAY(x,y) == -1)
+        fprintf(stderr," ");
+      else
+        fprintf(stderr,"%c",'a'+ARRAY(x,y));
+    fprintf(stderr,"\n");
+  }
+  fprintf(stderr,"\n");
+}
+
+static void print_points(point_type *point, int len) {
+  int i;
+
+  for (i=0;i<len;i++)
+    fprintf(stderr,"(%d %d) ",point[i].x,point[i].y);
+}
+
+static void print_polyomino(polyomino_type poly) {
+  int i;
+
+  print_points(poly.point,poly.len);
+  fprintf(stderr,"\n");
+  for (i=0;i<poly.transform_len;i++)
+    fprintf(stderr,"%d ",poly.transform_list[i]);
+  fprintf(stderr,"\n");
+}
+*/
+
+static polyominoesstruct *polyominoeses = (polyominoesstruct *) NULL;
+
+static
+void random_permutation(int n, int a[]) {
+  int i,j,k,r;
+
+  for (i=0;i<n;i++) a[i] = -1;
+  for (i=0;i<n;i++) {
+    r=NRAND(n-i);
+    k=0;
+    while(a[k]!=-1) k++;
+    for (j=0;j<r;j++) {
+      k++;
+      while(a[k]!=-1) k++;
+    }
+    a[k]=i;
+  }
+}
+
+
+/************************************************************
+These are the routines for manipulating the polyominoes and
+attaching and detaching them from the rectangle.
+************************************************************/
+
+static void transform(point_type in, point_type offset, int transform_no, 
+                      point_type attach_point, point_type *out) {
+  switch (transform_no) {
+    case 0: out->x=in.x-offset.x+attach_point.x;
+            out->y=in.y-offset.y+attach_point.y;
+            break;
+    case 1: out->x=-(in.y-offset.y)+attach_point.x;
+            out->y=in.x-offset.x+attach_point.y;
+            break;
+    case 2: out->x=-(in.x-offset.x)+attach_point.x;
+            out->y=-(in.y-offset.y)+attach_point.y;
+            break;
+    case 3: out->x=in.y-offset.y+attach_point.x;
+            out->y=-(in.x-offset.x)+attach_point.y;
+            break;
+    case 4: out->x=-(in.x-offset.x)+attach_point.x;
+            out->y=in.y-offset.y+attach_point.y;
+            break;
+    case 5: out->x=in.y-offset.y+attach_point.x;
+            out->y=in.x-offset.x+attach_point.y;
+            break;
+    case 6: out->x=in.x-offset.x+attach_point.x;
+            out->y=-(in.y-offset.y)+attach_point.y;
+            break;
+    case 7: out->x=-(in.y-offset.y)+attach_point.x;
+            out->y=-(in.x-offset.x)+attach_point.y;
+            break;
+  }
+}
+
+static int first_poly_no(polyominoesstruct *sp) {
+  int poly_no;
+
+  poly_no = 0;
+  while(poly_no<sp->nr_polyominoes && sp->polyomino[poly_no].attached)
+    poly_no++;
+  return poly_no;
+}
+
+static void next_poly_no(polyominoesstruct *sp, int *poly_no) {
+
+  if (sp->identical) {
+    *poly_no = sp->nr_polyominoes;
+  } else {
+    do {
+      (*poly_no)++;
+    } while (*poly_no<sp->nr_polyominoes && sp->polyomino[*poly_no].attached);
+  }
+}
+
+/* check_all_regions_multiple_of looks for connected regions of 
+   blank spaces, and returns 0 if it finds a connected region containing
+   a number of blanks that is not a multiple of n.
+*/
+
+static void count_adjacent_blanks(polyominoesstruct *sp, int *count, int x, int y, int blank_mark) {
+
+  if (ARRAY(x,y) == -1) {
+    (*count)++;
+    ARRAY(x,y) = blank_mark;
+    if (x>=1) count_adjacent_blanks(sp, count,x-1,y,blank_mark);
+    if (x<sp->width-1) count_adjacent_blanks(sp, count,x+1,y,blank_mark);
+    if (y>=1) count_adjacent_blanks(sp, count,x,y-1,blank_mark);
+    if (y<sp->height-1) count_adjacent_blanks(sp, count,x,y+1,blank_mark);
+  }
+}
+
+static int check_all_regions_multiple_of(polyominoesstruct *sp, int n) {
+  int x,y,count,good = 1;
+
+  for (x=0;x<sp->width && good;x++) for (y=0;y<sp->height && good;y++) {
+    count = 0;
+    count_adjacent_blanks(sp, &count,x,y,-2);
+    good = count%n == 0;
+  }
+
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++)
+    if (ARRAY(x,y) == -2)
+      ARRAY(x,y) = -1;
+
+  return good;
+}
+
+static int check_all_regions_positive_combination_of(polyominoesstruct *sp, int m, int n) {
+  int x,y,count,good = 1;
+
+  for (x=0;x<sp->width && good;x++) for (y=0;y<sp->height && good;y++) {
+    count = 0;
+    count_adjacent_blanks(sp, &count,x,y,-2);
+    good = 0;
+    for (;count>=0 && !good;count-=m)
+      good = count%n == 0;
+  }
+
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++)
+    if (ARRAY(x,y) == -2)
+      ARRAY(x,y) = -1;
+
+  return good;
+}
+
+static int find_smallest_blank_component(polyominoesstruct *sp) {
+  int x,y,size,smallest_size,blank_mark,smallest_mark;
+
+  smallest_mark = blank_mark = -10;
+  smallest_size = 1000000000;
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++) if (ARRAY(x,y) == -1) {
+    size = 0;
+    count_adjacent_blanks(sp, &size,x,y,blank_mark);
+    if (size<smallest_size) {
+      smallest_mark = blank_mark;
+      smallest_size = size;
+    }
+    blank_mark--;
+  }
+
+  return smallest_mark;
+}
+
+/* "Chess board" check - see init_max_whites_list above for more details.
+*/
+/* If the rectangle is alternatively covered by white and black
+   squares (chess board style), then this gives the list of
+   the maximal possible whites covered by each polyomino.  It
+   is used by the function whites_ok which makes sure that the
+   array has a valid number of white or black remaining blanks left.
+*/
+
+static int whites_ok(polyominoesstruct *sp) {
+  int x,y,poly_no,whites=0,blacks=0,max_white=0,min_white=0;
+
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++) {
+    if (ARRAY(x,y) == -1 && (x+y)%2) whites++;
+    if (ARRAY(x,y) == -1 && (x+y+1)%2) blacks++;
+  }
+  for (poly_no=0;poly_no<sp->nr_polyominoes;poly_no++) if (!sp->polyomino[poly_no].attached) {
+    max_white += sp->polyomino[poly_no].max_white;
+    min_white += sp->polyomino[poly_no].len - sp->polyomino[poly_no].max_white;
+  }
+  return (min_white <= blacks && min_white <= whites
+          && blacks <= max_white && whites <= max_white);
+}
+
+/* This routine looks at the point (x,y) and sees how many polyominoes
+   and all their various transforms may be attached there.
+*/
+
+static int
+score_point(polyominoesstruct *sp, int x, int y, int min_score_so_far) {
+  int poly_no, point_no, transform_index, i, attachable;
+  point_type attach_point, target_point;
+  int score = 0;
+
+  if (x>=1 && x<sp->width-1 && y>=1 && y<sp->height-1 &&
+      ARRAY(x-1,y-1)<0 && ARRAY(x-1,y)<0 && ARRAY(x-1,y+1)<0 && 
+      ARRAY(x+1,y-1)<0 && ARRAY(x+1,y)<0 && ARRAY(x+1,y+1)<0 && 
+      ARRAY(x,y-1)<0 && ARRAY(x,y+1)<0)
+    return 10000;
+
+  attach_point.x = x;
+  attach_point.y = y;
+  for (poly_no=first_poly_no(sp);poly_no<sp->nr_polyominoes;next_poly_no(sp,&poly_no))
+  if (!sp->polyomino[poly_no].attached) {
+    for (point_no=0;point_no<sp->polyomino[poly_no].len;point_no++)
+    for (transform_index=0;transform_index<sp->polyomino[poly_no].transform_len;transform_index++) {
+      attachable = 1;
+      for (i=0;i<sp->polyomino[poly_no].len;i++) {
+        transform(sp->polyomino[poly_no].point[i],
+                  sp->polyomino[poly_no].point[point_no],
+                  sp->polyomino[poly_no].transform_list[transform_index], 
+                  attach_point, &target_point);
+        if ( ! ((target_point.x>=0) && (target_point.x<sp->width) 
+                  && (target_point.y>=0) && (target_point.y<sp->height)
+                  && (ARRAY_P(target_point)<0))) {
+          attachable = 0;
+          break;
+        }
+      }
+      if (attachable) {
+        score++;
+        if (score>=min_score_so_far)
+          return score;
+      }
+    }
+  }
+
+  return score;
+}
+
+static void find_blank(polyominoesstruct *sp, point_type *point) {
+  int score, worst_score;
+  int x, y;
+  int blank_mark;
+
+  blank_mark = find_smallest_blank_component(sp);
+
+  worst_score = 1000000;
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++) if (ARRAY(x,y)==blank_mark) {
+    score = 100*score_point(sp,x,y,worst_score);
+    if (score>0) {
+      if (sp->left_right) score += 10*x;
+      else                score += 10*(sp->width-1-x);
+      if (sp->top_bottom) score += y;
+      else                score += (sp->height-1-y);
+    }
+    if (score<worst_score) {
+      point->x = x;
+      point->y = y;
+      worst_score = score;
+    }
+  }
+
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++) 
+    if (ARRAY(x,y)<0) ARRAY(x,y) = -1;
+}
+
+/* Detaches the most recently attached polyomino. */
+
+static
+void detach(polyominoesstruct *sp, int *poly_no, int *point_no, int *transform_index, point_type *attach_point, int rot180) {
+  int i;
+  point_type target_point;
+
+  if (sp->nr_attached == 0) return;
+  sp->nr_attached--;
+  *poly_no = sp->attach_list[sp->nr_attached];
+  *point_no = sp->polyomino[*poly_no].point_no;
+  *transform_index = sp->polyomino[*poly_no].transform_index;
+  *attach_point = sp->polyomino[*poly_no].attach_point;
+  for (i=0;i<sp->polyomino[*poly_no].len;i++) {
+    transform(sp->polyomino[*poly_no].point[i],
+              sp->polyomino[*poly_no].point[*point_no],
+              sp->polyomino[*poly_no].transform_list[*transform_index]^(rot180<<1), 
+              *attach_point, &target_point);
+    ARRAY_P(target_point) = -1;
+    CHANGED_ARRAY_P(target_point) = 1;
+  }
+
+  sp->polyomino[*poly_no].attached = 0;
+}
+
+/* Attempts to attach a polyomino at point (x,y) at the 
+   point_no-th point of that polyomino, using the transform
+   transform_no.  Returns 1 if successful.
+*/
+
+static
+int attach(polyominoesstruct *sp, int poly_no, int point_no, int transform_index, point_type attach_point, int rot180,
+           int *reason_to_not_attach) {
+  point_type target_point;
+  int i;
+  int attachable = 1, worst_reason_not_to_attach = 1000000000;
+
+  if (rot180) {
+    attach_point.x = sp->width-1-attach_point.x;
+    attach_point.y = sp->height-1-attach_point.y;
+  }
+
+  if (sp->polyomino[poly_no].attached)
+    return 0;
+
+  for (i=0;i<sp->polyomino[poly_no].len;i++) {
+    transform(sp->polyomino[poly_no].point[i],
+              sp->polyomino[poly_no].point[point_no],
+              sp->polyomino[poly_no].transform_list[transform_index]^(rot180<<1), 
+              attach_point, &target_point);
+    if ( ! ((target_point.x>=0) && (target_point.x<sp->width) 
+              && (target_point.y>=0) && (target_point.y<sp->height)
+              && (ARRAY_P(target_point) == -1))) {
+      if (sp->identical) {
+        attachable = 0;
+        if ((target_point.x>=0) && (target_point.x<sp->width) 
+           && (target_point.y>=0) && (target_point.y<sp->height) 
+           && (ARRAY_P(target_point) >= 0)
+           && (ARRAY_P(target_point)<worst_reason_not_to_attach))
+          worst_reason_not_to_attach = ARRAY_P(target_point);
+      }
+      else
+        return 0;
+    }
+  }
+
+  if (sp->identical && !attachable) {
+    if (worst_reason_not_to_attach < 1000000000)
+      reason_to_not_attach[worst_reason_not_to_attach] = 1;
+    return 0;
+  }
+
+  for (i=0;i<sp->polyomino[poly_no].len;i++) {
+    transform(sp->polyomino[poly_no].point[i],
+              sp->polyomino[poly_no].point[point_no],
+              sp->polyomino[poly_no].transform_list[transform_index]^(rot180<<1),
+              attach_point, &target_point);
+    ARRAY_P(target_point) = poly_no;
+    CHANGED_ARRAY_P(target_point) = 1;
+  }
+
+  sp->attach_list[sp->nr_attached] = poly_no;
+  sp->nr_attached++;
+
+  sp->polyomino[poly_no].attached = 1;
+  sp->polyomino[poly_no].point_no = point_no;
+  sp->polyomino[poly_no].attach_point = attach_point;
+  sp->polyomino[poly_no].transform_index = transform_index;
+
+  if (!sp->check_ok(sp)) {
+    detach(sp,&poly_no,&point_no,&transform_index,&attach_point,rot180);
+    return 0;
+  }
+
+  return 1;
+}
+
+static
+int next_attach_try(polyominoesstruct *sp, int *poly_no, int *point_no, int *transform_index) {
+
+  (*transform_index)++;
+  if (*transform_index>=sp->polyomino[*poly_no].transform_len) {
+    *transform_index = 0;
+    (*point_no)++;
+    if (*point_no>=sp->polyomino[*poly_no].len) {
+      *point_no = 0;
+      next_poly_no(sp,poly_no);
+      if (*poly_no>=sp->nr_polyominoes) {
+        *poly_no = first_poly_no(sp);
+        return 0;
+      }
+    }
+  }
+  return 1;
+}
+
+
+/*******************************************************
+Display routines.
+*******************************************************/
+
+static void
+draw_without_bitmaps(ModeInfo * mi, polyominoesstruct *sp) {
+  Display *display = MI_DISPLAY(mi);
+  Window  window = MI_WINDOW(mi);
+  GC gc = MI_GC(mi);
+  int x,y,poly_no,nr_lines,nr_rectangles;
+
+  XSetLineAttributes(display,gc,sp->box/10+1,LineSolid,CapRound,JoinRound);
+
+  for (poly_no=-1;poly_no<sp->nr_polyominoes;poly_no++) {
+    nr_rectangles = 0;
+    for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++)
+    if (CHANGED_ARRAY(x,y) && ARRAY(x,y) == poly_no) {
+      sp->rectangles[nr_rectangles].x = sp->x_margin + sp->box*x;
+      sp->rectangles[nr_rectangles].y = sp->y_margin + sp->box*y;
+      sp->rectangles[nr_rectangles].width = sp->box;
+      sp->rectangles[nr_rectangles].height = sp->box;
+      nr_rectangles++;
+    }
+    if (poly_no == -1)
+      XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+    else
+      XSetForeground(display, gc, sp->polyomino[poly_no].color);
+    XFillRectangles(display, window, gc, sp->rectangles, nr_rectangles);
+  }
+
+  XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+
+  nr_lines = 0;
+  for (x=0;x<sp->width-1;x++) for (y=0;y<sp->height;y++) {
+    if (ARRAY(x,y) == -1 && ARRAY(x+1,y) == -1
+        && (CHANGED_ARRAY(x,y) || CHANGED_ARRAY(x+1,y))) {
+      sp->lines[nr_lines].x1 = sp->x_margin + sp->box*(x+1);
+      sp->lines[nr_lines].y1 = sp->y_margin + sp->box*y;
+      sp->lines[nr_lines].x2 = sp->x_margin + sp->box*(x+1);
+      sp->lines[nr_lines].y2 = sp->y_margin + sp->box*(y+1);
+      nr_lines++;
+    }
+  }
+  XDrawSegments(display, window, gc, sp->lines, nr_lines);
+
+  nr_lines = 0;
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height-1;y++) {
+    if (ARRAY(x,y) == -1 && ARRAY(x,y+1) == -1
+        && (CHANGED_ARRAY(x,y) || CHANGED_ARRAY(x,y+1))) {
+      sp->lines[nr_lines].x1 = sp->x_margin + sp->box*x;
+      sp->lines[nr_lines].y1 = sp->y_margin + sp->box*(y+1);
+      sp->lines[nr_lines].x2 = sp->x_margin + sp->box*(x+1);
+      sp->lines[nr_lines].y2 = sp->y_margin + sp->box*(y+1);
+      nr_lines++;
+    }
+  }
+  XDrawSegments(display, window, gc, sp->lines, nr_lines);
+
+  XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+  XDrawRectangle(display, window, gc, sp->x_margin, sp->y_margin, sp->box*sp->width, sp->box*sp->height);
+
+  XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
+
+  nr_lines = 0;
+  for (x=0;x<sp->width-1;x++) for (y=0;y<sp->height;y++) {
+    if (ARRAY(x+1,y) != ARRAY(x,y)) {
+      sp->lines[nr_lines].x1 = sp->x_margin + sp->box*(x+1);
+      sp->lines[nr_lines].y1 = sp->y_margin + sp->box*y;
+      sp->lines[nr_lines].x2 = sp->x_margin + sp->box*(x+1);
+      sp->lines[nr_lines].y2 = sp->y_margin + sp->box*(y+1);
+      nr_lines++;
+    }
+  }
+  XDrawSegments(display, window, gc, sp->lines, nr_lines);
+
+  nr_lines = 0;
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height-1;y++) {
+    if (ARRAY(x,y+1) != ARRAY(x,y)) {
+      sp->lines[nr_lines].x1 = sp->x_margin + sp->box*x;
+      sp->lines[nr_lines].y1 = sp->y_margin + sp->box*(y+1);
+      sp->lines[nr_lines].x2 = sp->x_margin + sp->box*(x+1);
+      sp->lines[nr_lines].y2 = sp->y_margin + sp->box*(y+1);
+      nr_lines++;
+    }
+  }
+  XDrawSegments(display, window, gc, sp->lines, nr_lines);
+  XSetLineAttributes(display,gc,1,LineSolid,CapRound,JoinRound);
+  XFlush(display);
+}
+
+static void create_bitmaps(ModeInfo * mi, polyominoesstruct *sp) {
+  int x,y,n;
+  char *data;
+
+  for (n=0;n<256;n++) {
+
+/* Avoid duplication of identical bitmaps. */
+    if (IS_LEFT_UP(n) && (IS_LEFT(n) || IS_UP(n)))
+      sp->bitmaps[n] = sp->bitmaps[n & ~LEFT_UP];
+    else if (IS_LEFT_DOWN(n) && (IS_LEFT(n) || IS_DOWN(n)))
+      sp->bitmaps[n] = sp->bitmaps[n & ~LEFT_DOWN];
+    else if (IS_RIGHT_UP(n) && (IS_RIGHT(n) || IS_UP(n)))
+      sp->bitmaps[n] = sp->bitmaps[n & ~RIGHT_UP];
+    else if (IS_RIGHT_DOWN(n) && (IS_RIGHT(n) || IS_DOWN(n)))
+      sp->bitmaps[n] = sp->bitmaps[n & ~RIGHT_DOWN];
+
+    else /* if (bitmap_needed(n)) */ {
+      data = (char *) malloc(sizeof(char)*(sp->box*ROUND8(sp->box)/8));
+      if (data == NULL) {
+        sp->use_bitmaps = 0;
+        return;
+      }
+
+      for (y=0;y<sp->box;y++) for (x=0;x<sp->box;x++) {
+        if (!sp->use3D) {
+#ifdef SMALL_BELLYBUTTON
+          if (x >= sp->box / 2 && x <= sp->box / 2 + 1 &&
+              y >= sp->box / 2 && y <= sp->box / 2 + 1)
+            NOTHALFBIT(n,x,y)
+          else
+#endif
+            HALFBIT(n,x,y)
+        } else if ((x>=y && x<=sp->box-y-1 && IS_UP(n))
+            || (x<=y && x<=sp->box-y-1 && y<sp->box/2 && !IS_LEFT(n))
+            || (x>=y && x>=sp->box-y-1 && y<sp->box/2 && !IS_RIGHT(n)))
+          SETBIT(n,x,y)
+        else if ((x<=y && x<=sp->box-y-1 && IS_LEFT(n))
+            || (x>=y && x<=sp->box-y-1 && x<sp->box/2 && !IS_UP(n))
+            || (x<=y && x>=sp->box-y-1 && x<sp->box/2 && !IS_DOWN(n)))
+          TWOTHIRDSBIT(n,x,y)
+        else if ((x>=y && x>=sp->box-y-1 && IS_RIGHT(n))
+            || (x>=y && x<=sp->box-y-1 && x>=sp->box/2 && !IS_UP(n))
+            || (x<=y && x>=sp->box-y-1 && x>=sp->box/2 && !IS_DOWN(n)))
+          HALFBIT(n,x,y)
+        else if ((x<=y && x>=sp->box-y-1 && IS_DOWN(n))
+            || (x<=y && x<=sp->box-y-1 && y>=sp->box/2 && !IS_LEFT(n))
+            || (x>=y && x>=sp->box-y-1 && y>=sp->box/2 && !IS_RIGHT(n)))
+          THIRDBIT(n,x,y)
+      }
+
+      if (IS_LEFT(n)) 
+        for (y=0;y<sp->box;y++) for (x=G;x<G+T;x++)
+          SETBIT(n,x,y)
+      if (IS_RIGHT(n)) 
+        for (y=0;y<sp->box;y++) for (x=G;x<G+T;x++)
+          SETBIT(n,sp->box-1-x,y)
+      if (IS_UP(n))
+        for (x=0;x<sp->box;x++) for (y=G;y<G+T;y++)
+          SETBIT(n,x,y)
+      if (IS_DOWN(n))
+        for (x=0;x<sp->box;x++) for (y=G;y<G+T;y++)
+          SETBIT(n,x,sp->box-1-y)
+      if (IS_LEFT(n)) 
+        for (y=0;y<sp->box;y++) for (x=0;x<G;x++)
+          RESBIT(n,x,y)
+      if (IS_RIGHT(n)) 
+        for (y=0;y<sp->box;y++) for (x=0;x<G;x++)
+          RESBIT(n,sp->box-1-x,y)
+      if (IS_UP(n))
+        for (x=0;x<sp->box;x++) for (y=0;y<G;y++)
+          RESBIT(n,x,y)
+      if (IS_DOWN(n))
+        for (x=0;x<sp->box;x++) for (y=0;y<G;y++)
+          RESBIT(n,x,sp->box-1-y)
+
+      if (IS_LEFT(n) && IS_UP(n))
+        for (x=G;x<=G+R;x++)
+          for (y=G;y<=R+2*G-x;y++) {
+            if (x+y>R+2*G-RT)
+              SETBIT(n,x,y)
+            else
+              RESBIT(n,x,y)
+          }
+      if (IS_LEFT(n) && IS_DOWN(n))
+        for (x=G;x<=G+R;x++)
+          for (y=G;y<=R+2*G-x;y++) {
+            if (x+y>R+2*G-RT)
+              SETBIT(n,x,sp->box-1-y)
+            else
+              RESBIT(n,x,sp->box-1-y)
+          }
+      if (IS_RIGHT(n) && IS_UP(n))
+        for (x=G;x<=G+R;x++)
+          for (y=G;y<=R+2*G-x;y++) {
+            if (x+y>R+2*G-RT)
+              SETBIT(n,sp->box-1-x,y)
+            else
+              RESBIT(n,sp->box-1-x,y)
+          }
+      if (IS_RIGHT(n) && IS_DOWN(n))
+        for (x=G;x<=G+R;x++)
+          for (y=G;y<=R+2*G-x;y++) {
+            if (x+y>R+2*G-RT)
+              SETBIT(n,sp->box-1-x,sp->box-1-y)
+            else
+              RESBIT(n,sp->box-1-x,sp->box-1-y)
+          }
+
+      if (!IS_LEFT(n) && !IS_UP(n) && IS_LEFT_UP(n)) {
+        for (x=0;x<G;x++) for(y=0;y<G;y++)
+          RESBIT(n,x,y)
+        for (x=G;x<G+T;x++) for(y=0;y<G;y++)
+          SETBIT(n,x,y)
+        for (x=0;x<G+T;x++) for(y=G;y<G+T;y++)
+          SETBIT(n,x,y)
+      }
+      if (!IS_LEFT(n) && !IS_DOWN(n) && IS_LEFT_DOWN(n)) {
+        for (x=0;x<G;x++) for(y=0;y<G;y++)
+          RESBIT(n,x,sp->box-1-y)
+        for (x=G;x<G+T;x++) for(y=0;y<G;y++)
+          SETBIT(n,x,sp->box-1-y)
+        for (x=0;x<G+T;x++) for(y=G;y<G+T;y++)
+          SETBIT(n,x,sp->box-1-y)
+      }
+      if (!IS_RIGHT(n) && !IS_UP(n) && IS_RIGHT_UP(n)) {
+        for (x=0;x<G;x++) for(y=0;y<G;y++)
+          RESBIT(n,sp->box-1-x,y)
+        for (x=G;x<G+T;x++) for(y=0;y<G;y++)
+          SETBIT(n,sp->box-1-x,y)
+        for (x=0;x<G+T;x++) for(y=G;y<G+T;y++)
+          SETBIT(n,sp->box-1-x,y)
+      }
+      if (!IS_RIGHT(n) && !IS_DOWN(n) && IS_RIGHT_DOWN(n)) {
+        for (x=0;x<G;x++) for(y=0;y<G;y++)
+          RESBIT(n,sp->box-1-x,sp->box-1-y)
+        for (x=G;x<G+T;x++) for(y=0;y<G;y++)
+          SETBIT(n,sp->box-1-x,sp->box-1-y)
+        for (x=0;x<G+T;x++) for(y=G;y<G+T;y++)
+          SETBIT(n,sp->box-1-x,sp->box-1-y)
+      }
+
+#ifdef LARGE_BELLYBUTTON
+      if (!sp->use3D) {
+        if (!IS_LEFT(n) && !IS_UP(n) && !IS_LEFT_UP(n))
+          for (x=0;x<G+T;x++) for(y=0;y<G+T;y++)
+            SETBIT(n,x,y)
+        if (!IS_LEFT(n) && !IS_DOWN(n) && !IS_LEFT_DOWN(n))
+          for (x=0;x<G+T;x++) for(y=sp->box-G-T;y<sp->box;y++)
+            SETBIT(n,x,y)
+        if (!IS_RIGHT(n) && !IS_UP(n) && !IS_RIGHT_UP(n))
+          for (x=sp->box-G-T;x<sp->box;x++) for(y=0;y<G+T;y++)
+            SETBIT(n,x,y)
+        if (!IS_RIGHT(n) && !IS_DOWN(n) && !IS_RIGHT_DOWN(n))
+          for (x=sp->box-G-T;x<sp->box;x++) for(y=sp->box-G-T;y<sp->box;y++)
+            SETBIT(n,x,y)
+      } else
+#else
+      if (sp->use3D)
+#endif
+      {
+        if (!IS_LEFT(n) && !IS_UP(n) && !IS_LEFT_UP(n))
+          for (x=0;x<sp->box/2-RR;x++) for(y=0;y<sp->box/2-RR;y++)
+            THREEQUARTERSBIT(n,x,y)
+        if (!IS_LEFT(n) && !IS_DOWN(n) && !IS_LEFT_DOWN(n))
+          for (x=0;x<sp->box/2-RR;x++) for(y=sp->box/2+RR;y<sp->box;y++)
+            THREEQUARTERSBIT(n,x,y)
+        if (!IS_RIGHT(n) && !IS_UP(n) && !IS_RIGHT_UP(n))
+          for (x=sp->box/2+RR;x<sp->box;x++) for(y=0;y<sp->box/2-RR;y++)
+            THREEQUARTERSBIT(n,x,y)
+        if (!IS_RIGHT(n) && !IS_DOWN(n) && !IS_RIGHT_DOWN(n))
+          for (x=sp->box/2+RR;x<sp->box;x++) for(y=sp->box/2+RR;y<sp->box;y++)
+            THREEQUARTERSBIT(n,x,y)
+      }
+
+      sp->bitmaps[n] = XCreateImage(MI_DISPLAY(mi), MI_VISUAL(mi), 1, XYBitmap,
+                                    0, data, sp->box, sp->box, 8, 0);
+      if (sp->bitmaps[n] == None) {
+        free(data);
+        sp->use_bitmaps = 0;
+        return;
+      }
+      sp->bitmaps[n]->byte_order = MSBFirst;
+      sp->bitmaps[n]->bitmap_unit = 8;
+      sp->bitmaps[n]->bitmap_bit_order = LSBFirst;
+    }
+  }
+
+  sp->use_bitmaps = 1;
+}
+
+static void draw_with_bitmaps(ModeInfo * mi, polyominoesstruct *sp) {
+  Display *display = MI_DISPLAY(mi);
+  Window  window = MI_WINDOW(mi);
+  GC gc = MI_GC(mi);
+  int x,y,t,bitmap_index;
+
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++) {
+    if (ARRAY(x,y) == -1) {
+      if (CHANGED_ARRAY(x,y)) {
+        XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
+        XFillRectangle(display,window,gc,
+                       sp->x_margin + sp->box*x,
+                       sp->y_margin + sp->box*y,
+                       sp->box,sp->box);
+      }
+    }
+    else {
+      XSetForeground(display, gc, sp->polyomino[ARRAY(x,y)].color);
+      bitmap_index = 0;
+      if (ARR(x,y) != ARR(x-1,y))   bitmap_index |= LEFT;
+      if (ARR(x,y) != ARR(x+1,y))   bitmap_index |= RIGHT;
+      if (ARR(x,y) != ARR(x,y-1))   bitmap_index |= UP;
+      if (ARR(x,y) != ARR(x,y+1))   bitmap_index |= DOWN;
+      if (ARR(x,y) != ARR(x-1,y-1)) bitmap_index |= LEFT_UP;
+      if (ARR(x,y) != ARR(x-1,y+1)) bitmap_index |= LEFT_DOWN;
+      if (ARR(x,y) != ARR(x+1,y-1)) bitmap_index |= RIGHT_UP;
+      if (ARR(x,y) != ARR(x+1,y+1)) bitmap_index |= RIGHT_DOWN;
+      (void) XPutImage(display,window,gc,
+                sp->bitmaps[bitmap_index],
+                0,0,
+                sp->x_margin + sp->box*x,
+                sp->y_margin + sp->box*y,
+                sp->box,sp->box);
+    }
+  }
+
+  XSetForeground(display, gc, sp->border_color);
+  for (t=G;t<G+T;t++)
+    XDrawRectangle(display,window,gc,
+                   sp->x_margin-t-1,sp->y_margin-t-1,
+                   sp->box*sp->width+1+2*t, sp->box*sp->height+1+2*t);
+  XFlush(display);
+}
+
+
+/***************************************************
+Routines to initialise and close down polyominoes.
+***************************************************/
+
+static void free_bitmaps(polyominoesstruct *sp) {
+  int n;
+  
+  for (n=0;n<256;n++)
+/* Don't bother to free duplicates */
+    if (IS_LEFT_UP(n) && (IS_LEFT(n) || IS_UP(n)))
+      sp->bitmaps[n] = None;
+    else if (IS_LEFT_DOWN(n) && (IS_LEFT(n) || IS_DOWN(n)))
+      sp->bitmaps[n] = None;
+    else if (IS_RIGHT_UP(n) && (IS_RIGHT(n) || IS_UP(n)))
+      sp->bitmaps[n] = None;
+    else if (IS_RIGHT_DOWN(n) && (IS_RIGHT(n) || IS_DOWN(n)))
+      sp->bitmaps[n] = None;
+
+    else if (sp->bitmaps[n] != None) {
+        XDestroyImage(sp->bitmaps[n]);
+        sp->bitmaps[n] = None;
+    }
+}
+
+#define deallocate(p,t) if ((p)!=NULL) {free(p); p=(t*)NULL;}
+
+static void free_polyominoes(polyominoesstruct *sp) {
+  int n;
+
+  for (n=0;n<sp->nr_polyominoes;n++) {
+    deallocate(sp->polyomino[n].point, point_type);
+  }
+
+  deallocate(sp->polyomino, polyomino_type);
+  deallocate(sp->attach_list, int);
+  deallocate(sp->rectangles, XRectangle);
+  deallocate(sp->lines, XSegment);
+  deallocate(sp->reason_to_not_attach, int);
+  deallocate(sp->array, int);
+  deallocate(sp->changed_array, int);
+
+  free_bitmaps(sp);
+}
+
+#define set_allocate(p,type,size) p = (type *) malloc(size);           \
+                             if ((p)==NULL) {free_polyominoes(sp);return 0;}
+
+#define copy_polyomino(dst,src,new_rand)                               \
+  (dst).len=(src).len;                                                 \
+  (dst).max_white = (src).max_white;                                   \
+  set_allocate((dst).point,point_type,sizeof(point_type)*(src).len);           \
+  (dst).len = (src).len;                                               \
+  if (new_rand)                                                                \
+    random_permutation((src).len,perm_point);                          \
+  for (i=0;i<(src).len;i++)                                            \
+    (dst).point[i] = (src).point[perm_point[i]];                       \
+  (dst).transform_len = (src).transform_len;                           \
+  if (new_rand)                                                                \
+    random_permutation((src).transform_len,perm_transform);            \
+  for (i=0;i<(src).transform_len;i++)                                  \
+    (dst).transform_list[i] = (src).transform_list[perm_transform[i]]; \
+  (dst).attached = 0
+
+
+/***************************************************
+Puzzle specific initialization routines.
+***************************************************/
+
+static
+int check_pentomino_puzzle(polyominoesstruct *sp) {
+  return check_all_regions_multiple_of(sp, 5) && whites_ok(sp);
+}
+
+static
+int check_hexomino_puzzle(polyominoesstruct *sp) {
+  return check_all_regions_multiple_of(sp, 6) && whites_ok(sp);
+}
+
+static
+int check_tetr_pentomino_puzzle(polyominoesstruct *sp) {
+  return check_all_regions_positive_combination_of(sp, 5, 4) && whites_ok(sp);
+}
+
+static
+int check_pent_hexomino_puzzle(polyominoesstruct *sp) {
+  return check_all_regions_positive_combination_of(sp, 6, 5) && whites_ok(sp);
+}
+
+static
+int check_heptomino_puzzle(polyominoesstruct *sp) {
+  return check_all_regions_multiple_of(sp, 7) && whites_ok(sp);
+}
+
+static
+int check_octomino_puzzle(polyominoesstruct *sp) {
+  return check_all_regions_multiple_of(sp, 8) && whites_ok(sp);
+}
+
+static
+int check_dekomino_puzzle(polyominoesstruct *sp) {
+  return check_all_regions_multiple_of(sp, 10) && whites_ok(sp);
+}
+
+static
+int check_elevenomino_puzzle(polyominoesstruct *sp) {
+  return check_all_regions_multiple_of(sp, 11) && whites_ok(sp);
+}
+
+static struct {int len; point_type point[4];
+               int transform_len, transform_list[8], max_white;} tetromino[5] =
+{
+/*
+xxxx 
+*/
+  {4, {{0,0}, {1,0}, {2,0}, {3,0}},
+   2, {0, 1, -1, -1, -1, -1, -1, -1}, 2},
+/*
+xxx  
+  x  
+*/
+  {4, {{0,0}, {1,0}, {2,0}, {2,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 2},
+/*
+xxx  
+ x   
+*/
+  {4, {{0,0}, {1,0}, {1,1}, {2,0}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3},
+/*
+xx   
+ xx  
+*/
+  {4, {{0,0}, {1,0}, {1,1}, {2,1}},
+   4, {0, 1, 4, 5, -1, -1, -1, -1}, 2},
+/*
+xx   
+xx   
+*/
+  {4, {{0,0}, {0,1}, {1,0}, {1,1}},
+   1, {0, -1, -1, -1, -1, -1, -1, -1}, 2}};
+
+
+static struct pentomino_struct {int len; point_type point[5];
+                                int transform_len, transform_list[8], max_white;}
+  pentomino[12] =
+{
+/*
+xxxxx 
+*/
+  {5, {{0,0}, {1,0}, {2,0}, {3,0}, {4,0}},
+   2, {0, 1, -1, -1, -1, -1, -1, -1}, 3},
+/*
+xxxx  
+   x  
+*/
+  {5, {{0,0}, {1,0}, {2,0}, {3,0}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxxx  
+  x   
+*/
+  {5, {{0,0}, {1,0}, {2,0}, {2,1}, {3,0}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+  x   
+xxx   
+  x   
+*/
+  {5, {{0,0}, {1,0}, {2,-1}, {2,0}, {2,1}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3},
+/*
+xxx   
+  xx  
+*/
+  {5, {{0,0}, {1,0}, {2,0}, {2,1}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxx   
+ xx   
+*/
+  {5, {{0,0}, {1,0}, {1,1}, {2,0}, {2,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxx   
+  x   
+  x   
+*/
+  {5, {{0,0}, {1,0}, {2,0}, {2,1}, {2,2}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3},
+/*
+ x    
+xxx   
+  x   
+*/
+  {5, {{0,0}, {1,-1}, {1,0}, {2,0}, {2,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxx   
+x x   
+*/
+  {5, {{0,0}, {0,1}, {1,0}, {2,0}, {2,1}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3},
+/*
+  x   
+xxx   
+x     
+*/
+  {5, {{0,0}, {0,1}, {1,0}, {2,-1}, {2,0}},
+   4, {0, 1, 4, 5, -1, -1, -1, -1}, 3},
+/*
+ x    
+xxx   
+ x    
+*/
+  {5, {{0,0}, {1,-1}, {1,0}, {1,1}, {2,0}},
+   1, {0, -1, -1, -1, -1, -1, -1, -1}, 4},
+/*
+xx    
+ xx   
+  x   
+*/
+  {5, {{0,0}, {1,0}, {1,1}, {2,1}, {2,2}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3}};
+
+
+static struct hexomino_struct {int len; point_type point[6];
+                               int transform_len, transform_list[8], max_white;}
+  hexomino[35] =
+{
+/*
+xxxxxx 
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {3,0}, {4,0}, {5,0}},
+   2, {0, 1, -1, -1, -1, -1, -1, -1}, 3},
+/*
+xxxxx  
+    x  
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {3,0}, {4,0}, {4,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxxxx  
+   x   
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {3,0}, {3,1}, {4,0}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 4},
+/*
+xxxxx  
+  x    
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {2,1}, {3,0}, {4,0}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3},
+/*
+   x   
+xxxx   
+   x   
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {3,-1}, {3,0}, {3,1}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 4},
+/*
+xxxx   
+   xx  
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {3,0}, {3,1}, {4,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxxx   
+  xx   
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {2,1}, {3,0}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxxx   
+   x   
+   x   
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {3,0}, {3,1}, {3,2}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+  x    
+xxxx   
+   x   
+*/
+  {6, {{0,0}, {1,0}, {2,-1}, {2,0}, {3,0}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxxx   
+ x x   
+*/
+  {6, {{0,0}, {1,0}, {1,1}, {2,0}, {3,0}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 4},
+/*
+ x     
+xxxx   
+   x   
+*/
+  {6, {{0,0}, {1,-1}, {1,0}, {2,0}, {3,0}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 4},
+/*
+xxxx   
+x  x   
+*/
+  {6, {{0,0}, {0,1}, {1,0}, {2,0}, {3,0}, {3,1}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3},
+/*
+   x   
+xxxx   
+x      
+*/
+  {6, {{0,0}, {0,1}, {1,0}, {2,0}, {3,-1}, {3,0}},
+   4, {0, 1, 4, 5, -1, -1, -1, -1}, 3},
+/*
+  x    
+xxxx   
+  x    
+*/
+  {6, {{0,0}, {1,0}, {2,-1}, {2,0}, {2,1}, {3,0}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 4},
+/*
+xxxx   
+ xx    
+*/
+  {6, {{0,0}, {1,0}, {1,1}, {2,0}, {2,1}, {3,0}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3},
+/*
+xxxx   
+  x    
+  x    
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {2,1}, {2,2}, {3,0}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+ x     
+xxxx   
+  x    
+*/
+  {6, {{0,0}, {1,-1}, {1,0}, {2,0}, {2,1}, {3,0}},
+   4, {0, 1, 4, 5, -1, -1, -1, -1}, 3},
+/*
+  xx   
+xxx    
+  x    
+*/
+  {6, {{0,0}, {1,0}, {2,-1}, {2,0}, {2,1}, {3,-1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+ xx    
+xxx    
+  x    
+*/
+  {6, {{0,0}, {1,-1}, {1,0}, {2,-1}, {2,0}, {2,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+  x    
+xxx    
+x x    
+*/
+  {6, {{0,0}, {0,1}, {1,0}, {2,-1}, {2,0}, {2,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 4},
+/*
+xxx    
+  xxx  
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {2,1}, {3,1}, {4,1}},
+   4, {0, 1, 4, 5, -1, -1, -1, -1}, 3},
+/*
+xxx    
+  xx   
+   x   
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {2,1}, {3,1}, {3,2}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxx    
+ xxx   
+*/
+  {6, {{0,0}, {1,0}, {1,1}, {2,0}, {2,1}, {3,1}},
+   4, {0, 1, 4, 5, -1, -1, -1, -1}, 4},
+/*
+xxx    
+  xx   
+  x    
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {2,1}, {2,2}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 4},
+/*
+ x     
+xxx    
+  xx   
+*/
+  {6, {{0,0}, {1,-1}, {1,0}, {2,0}, {2,1}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 4},
+/*
+xxx    
+x xx   
+*/
+  {6, {{0,0}, {0,1}, {1,0}, {2,0}, {2,1}, {3,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxx    
+ xx    
+  x    
+*/
+  {6, {{0,0}, {1,0}, {1,1}, {2,0}, {2,1}, {2,2}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 4},
+/*
+ x     
+xxx    
+ xx    
+*/
+  {6, {{0,0}, {1,-1}, {1,0}, {1,1}, {2,0}, {2,1}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 4},
+/*
+xxx    
+xxx    
+*/
+  {6, {{0,0}, {0,1}, {1,0}, {1,1}, {2,0}, {2,1}},
+   2, {0, 1, -1, -1, -1, -1, -1, -1}, 3},
+/*
+xxx    
+  x    
+  xx   
+*/
+  {6, {{0,0}, {1,0}, {2,0}, {2,1}, {2,2}, {3,2}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xxx    
+  x    
+ xx    
+*/
+  {6, {{0,0}, {1,0}, {1,2}, {2,0}, {2,1}, {2,2}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+ x     
+xxx    
+x x    
+*/
+  {6, {{0,0}, {0,1}, {1,-1}, {1,0}, {2,0}, {2,1}},
+   4, {0, 1, 2, 3, -1, -1, -1, -1}, 3},
+/*
+  xx   
+xxx    
+x      
+*/
+  {6, {{0,0}, {0,1}, {1,0}, {2,-1}, {2,0}, {3,-1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+ xx    
+xxx    
+x      
+*/
+  {6, {{0,0}, {0,1}, {1,-1}, {1,0}, {2,-1}, {2,0}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3},
+/*
+xx     
+ xx    
+  xx   
+*/
+  {6, {{0,0}, {1,0}, {1,1}, {2,1}, {2,2}, {3,2}},
+   4, {0, 1, 4, 5, -1, -1, -1, -1}, 3}};
+
+static struct pentomino_struct one_sided_pentomino[60];
+
+void make_one_sided_pentomino(void) {
+  int i,j,t,u;
+
+  j=0;
+  for (i=0;i<18;i++) {
+    one_sided_pentomino[j] = pentomino[i];
+    for (t=0;t<8;t++)
+      if (one_sided_pentomino[j].transform_list[t]>=4) {
+        one_sided_pentomino[j].transform_len = t;
+        j++;
+        one_sided_pentomino[j] = pentomino[i];
+        for (u=t;u<8;u++) one_sided_pentomino[j].transform_list[u-t] = one_sided_pentomino[j].transform_list[u];
+        one_sided_pentomino[j].transform_len -= t;
+        break;
+      }
+    j++;
+  }
+}
+
+static struct hexomino_struct one_sided_hexomino[60];
+
+void make_one_sided_hexomino(void) {
+  int i,j,t,u;
+
+  j=0;
+  for (i=0;i<35;i++) {
+    one_sided_hexomino[j] = hexomino[i];
+    for (t=0;t<8;t++)
+      if (one_sided_hexomino[j].transform_list[t]>=4) {
+        one_sided_hexomino[j].transform_len = t;
+        j++;
+        one_sided_hexomino[j] = hexomino[i];
+        for (u=t;u<8;u++) one_sided_hexomino[j].transform_list[u-t] = one_sided_hexomino[j].transform_list[u];
+        one_sided_hexomino[j].transform_len -= t;
+        break;
+      }
+    j++;
+  }
+}
+
+/*
+Find all the ways of placing all twelve pentominoes
+into a rectangle whose size is 20x3, 15x4, 12x5 or 10x6.
+*/
+
+static
+int set_pentomino_puzzle(polyominoesstruct *sp) {
+  int perm_poly[12], perm_point[5], perm_transform[8], i, p;
+
+  switch (NRAND(4)) {
+    case 0:
+      sp->width = 20;
+      sp->height = 3;
+      break;
+    case 1:
+      sp->width = 15;
+      sp->height = 4;
+      break;
+    case 2:
+      sp->width = 12;
+      sp->height = 5;
+      break;
+    case 3:
+      sp->width = 10;
+      sp->height = 6;
+      break;
+  }
+
+  sp->nr_polyominoes = 12;
+  set_allocate(sp->polyomino,polyomino_type,12*sizeof(polyomino_type));
+  random_permutation(12,perm_poly);
+  for (p=0;p<12;p++) {
+    copy_polyomino(sp->polyomino[p],pentomino[perm_poly[p]],1);
+  }
+
+  sp->check_ok = check_pentomino_puzzle;
+
+  return 1;
+}
+
+/*
+Many of the following puzzles are inspired by
+http://www.xs4all.nl/~gp/PolyominoSolver/Polyomino.html
+*/
+
+/*
+Find all the ways of placing all eighteen one-sided pentominoes
+into a rectangle.
+*/
+
+static
+int set_one_sided_pentomino_puzzle(polyominoesstruct *sp) {
+  int perm_poly[18], perm_point[5], perm_transform[8], i, p;
+
+  make_one_sided_pentomino();
+
+  switch (NRAND(4)) {
+    case 0:
+      sp->width = 30;
+      sp->height = 3;
+      break;
+    case 1:
+      sp->width = 18;
+      sp->height = 5;
+      break;
+    case 2:
+      sp->width = 15;
+      sp->height = 6;
+      break;
+    case 3:
+      sp->width = 10;
+      sp->height = 9;
+      break;
+  }
+
+  sp->nr_polyominoes = 18;
+  set_allocate(sp->polyomino,polyomino_type,18*sizeof(polyomino_type));
+  random_permutation(18,perm_poly);
+  for (p=0;p<18;p++) {
+    copy_polyomino(sp->polyomino[p],one_sided_pentomino[perm_poly[p]],1);
+  }
+
+  sp->check_ok = check_pentomino_puzzle;
+
+  return 1;
+}
+
+/*
+Find all the ways of placing all sixty one-sided hexominoes
+into a rectangle.
+*/
+
+static
+int set_one_sided_hexomino_puzzle(polyominoesstruct *sp) {
+  int perm_poly[60], perm_point[6], perm_transform[8], i, p;
+
+  make_one_sided_hexomino();
+
+  switch (NRAND(8)) {
+    case 0:
+      sp->width = 20;
+      sp->height = 18;
+      break;
+    case 1:
+      sp->width = 24;
+      sp->height = 15;
+      break;
+    case 2:
+      sp->width = 30;
+      sp->height = 12;
+      break;
+    case 3:
+      sp->width = 36;
+      sp->height = 10;
+      break;
+    case 4:
+      sp->width = 40;
+      sp->height = 9;
+      break;
+    case 5:
+      sp->width = 45;
+      sp->height = 8;
+      break;
+    case 6:
+      sp->width = 60;
+      sp->height = 6;
+      break;
+    case 7:
+      sp->width = 72;
+      sp->height = 5;
+      break;
+  }
+
+  sp->nr_polyominoes = 60;
+  set_allocate(sp->polyomino,polyomino_type,60*sizeof(polyomino_type));
+  random_permutation(60,perm_poly);
+  for (p=0;p<60;p++) {
+    copy_polyomino(sp->polyomino[p],one_sided_hexomino[perm_poly[p]],1);
+  }
+
+  sp->check_ok = check_hexomino_puzzle;
+
+  return 1;
+}
+
+/*
+Find all the ways of placing all five tetrominoes and all twelve
+pentominoes into a rectangle.
+*/
+
+static
+int set_tetr_pentomino_puzzle(polyominoesstruct *sp) {
+  int perm_poly[17], perm_point[5], perm_transform[8], i, p;
+
+  switch (NRAND(3)) {
+    case 0:
+      sp->width = 20;
+      sp->height = 4;
+      break;
+    case 1:
+      sp->width = 16;
+      sp->height = 5;
+      break;
+    case 2:
+      sp->width = 10;
+      sp->height = 8;
+      break;
+  }
+
+  sp->nr_polyominoes = 17;
+  set_allocate(sp->polyomino,polyomino_type,17*sizeof(polyomino_type));
+  random_permutation(17,perm_poly);
+  for (p=0;p<5;p++) {
+    copy_polyomino(sp->polyomino[perm_poly[p]],tetromino[p],1);
+  }
+  for (p=0;p<12;p++) {
+    copy_polyomino(sp->polyomino[perm_poly[p+5]],pentomino[p],1);
+  }
+
+  sp->check_ok = check_tetr_pentomino_puzzle;
+
+  return 1;
+}
+/*
+Find all the ways of placing all twelve pentominoes and all thirty five
+hexominoes into a rectangle whose size is 18x15.
+*/
+
+static
+int set_pent_hexomino_puzzle(polyominoesstruct *sp) {
+  int perm_poly[47], perm_point[6], perm_transform[8], i, p;
+
+  switch (NRAND(5)) {
+    case 0:
+      sp->width = 54;
+      sp->height = 5;
+      break;
+    case 1:
+      sp->width = 45;
+      sp->height = 6;
+      break;
+    case 2:
+      sp->width = 30;
+      sp->height = 9;
+      break;
+    case 3:
+      sp->width = 27;
+      sp->height = 10;
+      break;
+    case 4:
+      sp->width = 18;
+      sp->height = 15;
+      break;
+  }
+
+  sp->nr_polyominoes = 47;
+  set_allocate(sp->polyomino,polyomino_type,47*sizeof(polyomino_type));
+  random_permutation(47,perm_poly);
+  for (p=0;p<12;p++) {
+    copy_polyomino(sp->polyomino[perm_poly[p]],pentomino[p],1);
+  }
+  for (p=0;p<35;p++) {
+    copy_polyomino(sp->polyomino[perm_poly[p+12]],hexomino[p],1);
+  }
+
+  sp->check_ok = check_pent_hexomino_puzzle;
+
+  return 1;
+}
+
+/*
+Other puzzles:
+
+Science News September 20, 1986 Vol 130, No 12
+Science News November 14, 1987 Vol 132, Pg 310
+*/
+
+/*
+
+ *
+**** fills a 10x5 rectangle
+
+*/
+
+static struct {int len; point_type point[5]; 
+               int transform_len, transform_list[8], max_white;} pentomino1 =
+  {5, {{0,0}, {1,0}, {2,0}, {3,0}, {1,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 3};
+
+static
+int set_pentomino_puzzle1(polyominoesstruct *sp) {
+  int perm_point[5], perm_transform[8], i, p;
+
+  sp->width = 10;
+  sp->height =5;
+
+  sp->nr_polyominoes = 10;
+  set_allocate(sp->polyomino,polyomino_type,10*sizeof(polyomino_type));
+  for (p=0;p<10;p++) {
+    copy_polyomino(sp->polyomino[p],pentomino1,1);
+  }
+
+  sp->check_ok = check_pentomino_puzzle;
+
+  return 1;
+}
+
+/*
+
+ *
+***** fills a 24x23 rectangle
+
+*/
+
+static struct {int len; point_type point[6]; 
+               int transform_len, transform_list[8], max_white;} hexomino1 =
+  {6, {{0,0}, {1,0}, {2,0}, {3,0}, {4,0}, {1,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 4};
+
+static
+int set_hexomino_puzzle1(polyominoesstruct *sp) {
+  int perm_point[6], perm_transform[8], i, p;
+
+  sp->width = 24;
+  sp->height =23;
+
+  sp->nr_polyominoes = 92;
+  set_allocate(sp->polyomino,polyomino_type,92*sizeof(polyomino_type));
+  for (p=0;p<92;p++) {
+    copy_polyomino(sp->polyomino[p],hexomino1,1);
+  }
+
+  sp->check_ok = check_hexomino_puzzle;
+
+  return 1;
+}
+
+/*
+
+ **
+***** fills a 21x26 rectangle
+
+(All solutions have 180 degree rotational symmetry)
+
+*/
+
+static struct {int len; point_type point[7]; 
+               int transform_len, transform_list[8], max_white;} heptomino1 =
+  {7, {{0,0}, {1,0}, {2,0}, {3,0}, {4,0}, {1,1}, {2,1}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 4};
+
+static
+int set_heptomino_puzzle1(polyominoesstruct *sp) {
+  int perm_point[7], perm_transform[8], i, p;
+
+  sp->rot180 = 1;
+
+  sp->width = 26;
+  sp->height =21;
+
+  sp->nr_polyominoes = 78;
+  set_allocate(sp->polyomino,polyomino_type,78*sizeof(polyomino_type));
+  for (p=0;p<78;p+=2) {
+    copy_polyomino(sp->polyomino[p],heptomino1,1);
+    copy_polyomino(sp->polyomino[p+1],heptomino1,0);
+  }
+
+  sp->check_ok = check_heptomino_puzzle;
+
+  return 1;
+}
+
+/* The following puzzles from 
+Polyominoes Puzzles, Patterns, Problems, and Packings Revised (2nd) Edition
+by Solomon W. Golomb   Princeton University Press 1994
+*/
+
+/*
+
+ **
+***** fills a 28x19 rectangle
+
+*/
+static
+int set_heptomino_puzzle2(polyominoesstruct *sp) {
+  int perm_point[7], perm_transform[8], i, p;
+
+  sp->width = 28;
+  sp->height =19;
+
+  sp->nr_polyominoes = 76;
+  set_allocate(sp->polyomino,polyomino_type,76*sizeof(polyomino_type));
+  for (p=0;p<76;p++) {
+    copy_polyomino(sp->polyomino[p],heptomino1,1);
+  }
+
+  sp->check_ok = check_heptomino_puzzle;
+
+  return 1;
+}
+
+/*
+
+***
+**** fills a 25x22 rectangle
+****
+
+*/
+
+static struct {int len; point_type point[11]; 
+               int transform_len, transform_list[8], max_white;} elevenomino1 =
+  {11, {{0,0}, {1,0}, {2,0}, 
+        {0,1}, {1,1}, {2,1}, {3,1},
+        {0,2}, {1,2}, {2,2}, {3,2}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 6};
+
+static
+int set_elevenomino_puzzle1(polyominoesstruct *sp) {
+  int perm_point[11], perm_transform[8], i, p;
+
+  sp->rot180 = 1;
+
+  sp->width = 25;
+  sp->height =22;
+
+  sp->nr_polyominoes = 50;
+  set_allocate(sp->polyomino,polyomino_type,50*sizeof(polyomino_type));
+  for (p=0;p<50;p+=2) {
+    copy_polyomino(sp->polyomino[p],elevenomino1,1);
+    copy_polyomino(sp->polyomino[p+1],elevenomino1,0);
+  }
+
+  sp->check_ok = check_elevenomino_puzzle;
+
+  return 1;
+}
+
+/*
+
+ *
+ *
+**** fills 32 x 30 rectangle
+****
+
+*/
+
+static struct {int len; point_type point[10]; 
+               int transform_len, transform_list[8], max_white;} dekomino1 =
+  {10, {       {1,-1},
+               {1,0}, 
+        {0,1}, {1,1}, {2,1}, {3,1},
+        {0,2}, {1,2}, {2,2}, {3,2}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 5};
+
+static
+int set_dekomino_puzzle1(polyominoesstruct *sp) {
+  int perm_point[10], perm_transform[8], i, p;
+
+  sp->width = 32;
+  sp->height =30;
+
+  sp->nr_polyominoes = 96;
+  set_allocate(sp->polyomino,polyomino_type,96*sizeof(polyomino_type));
+  for (p=0;p<96;p++) {
+    copy_polyomino(sp->polyomino[p],dekomino1,1);
+  }
+
+  sp->check_ok = check_dekomino_puzzle;
+
+  return 1;
+}
+
+/*
+
+ *
+***  fills 96 x 26 rectangle
+****
+
+*/
+
+static struct {int len; point_type point[10]; 
+               int transform_len, transform_list[8], max_white;} octomino1 =
+  {8, {        {1,0}, 
+        {0,1}, {1,1}, {2,1},
+        {0,2}, {1,2}, {2,2}, {3,2}},
+   8, {0, 1, 2, 3, 4, 5, 6, 7}, 5};
+
+static
+int set_octomino_puzzle1(polyominoesstruct *sp) {
+  int perm_point[8], perm_transform[8], i, p;
+
+  sp->width = 96;
+  sp->height =26;
+
+  sp->nr_polyominoes = 312;
+  set_allocate(sp->polyomino,polyomino_type,312*sizeof(polyomino_type));
+  for (p=0;p<312;p++) {
+    copy_polyomino(sp->polyomino[p],octomino1,1);
+  }
+
+  sp->check_ok = check_octomino_puzzle;
+
+  return 1;
+}
+
+/*
+
+ *   fills 15 x 15 rectangle
+****
+
+*/
+
+static
+int set_pentomino_puzzle2(polyominoesstruct *sp) {
+  int perm_point[5], perm_transform[8], i, p;
+
+  sp->width = 15;
+  sp->height =15;
+
+  sp->nr_polyominoes = 45;
+  set_allocate(sp->polyomino,polyomino_type,45*sizeof(polyomino_type));
+  for (p=0;p<45;p++) {
+    copy_polyomino(sp->polyomino[p],pentomino1,1);
+  }
+
+  sp->check_ok = check_pentomino_puzzle;
+
+  return 1;
+}
+
+/*
+
+***
+**** fills a 47x33 rectangle
+****
+
+*/
+
+static
+int set_elevenomino_puzzle2(polyominoesstruct *sp) {
+  int perm_point[11], perm_transform[8], i, p;
+
+  sp->width = 47;
+  sp->height =33;
+
+  sp->nr_polyominoes = 141;
+  set_allocate(sp->polyomino,polyomino_type,141*sizeof(polyomino_type));
+  for (p=0;p<141;p++) {
+    copy_polyomino(sp->polyomino[p],elevenomino1,1);
+  }
+
+  sp->check_ok = check_elevenomino_puzzle;
+
+  return 1;
+}
+
+/**************************************************
+The main functions.
+**************************************************/
+
+#define allocate(p,type,size) p = (type *) malloc(size); if ((p)==NULL) {free_polyominoes(sp); return;}
+
+void
+init_polyominoes(ModeInfo * mi) {
+  polyominoesstruct *sp;
+  int i,x,y, start;
+  int box1, box2;
+  int *perm;
+
+  if (polyominoeses == NULL) {
+    if ((polyominoeses
+         = (polyominoesstruct *) calloc(MI_NUM_SCREENS(mi),sizeof (polyominoesstruct))) 
+        == NULL)
+      return;
+  }
+  sp = &polyominoeses[MI_SCREEN(mi)];
+
+  free_polyominoes(sp);
+
+  sp->rot180 = 0;
+  sp->counter = 0;
+
+  if (MI_IS_FULLRANDOM(mi)) {
+    sp->identical = (Bool) (LRAND() & 1);
+    sp->use3D = (Bool) (NRAND(4));
+  } else {
+    sp->identical = identical; 
+    sp->use3D = !plain;
+  }
+  if (sp->identical) {
+    switch (NRAND(9)) {
+      case 0:
+        if (!set_pentomino_puzzle1(sp))
+          return;
+        break;
+      case 1:
+        if (!set_hexomino_puzzle1(sp))
+          return;
+        break;
+      case 2:
+        if (!set_heptomino_puzzle1(sp))
+          return;
+        break;
+      case 3:
+        if (!set_heptomino_puzzle2(sp))
+          return;
+        break;
+      case 4:
+        if (!set_elevenomino_puzzle1(sp))
+          return;
+        break;
+      case 5:
+        if (!set_dekomino_puzzle1(sp))
+          return;
+        break;
+      case 6:
+        if (!set_octomino_puzzle1(sp))
+          return;
+        break;
+      case 7:
+        if (!set_pentomino_puzzle2(sp))
+          return;
+        break;
+      case 8:
+        if (!set_elevenomino_puzzle2(sp))
+          return;
+        break;
+    }
+  } else {
+    switch (NRAND(5)) {
+      case 0:
+        if (!set_pentomino_puzzle(sp))
+          return;
+        break;
+      case 1:
+        if (!set_one_sided_pentomino_puzzle(sp))
+          return;
+        break;
+      case 2:
+        if (!set_one_sided_hexomino_puzzle(sp))
+          return;
+        break;
+      case 3:
+        if (!set_pent_hexomino_puzzle(sp))
+          return;
+        break;
+      case 4:
+        if (!set_tetr_pentomino_puzzle(sp))
+          return;
+        break;
+    }
+  }
+
+  allocate(sp->attach_list,int,sp->nr_polyominoes*sizeof(int));
+  sp->nr_attached = 0;
+
+  if (sp->identical) {
+    allocate(sp->reason_to_not_attach,int,sp->nr_polyominoes*sp->nr_polyominoes*sizeof(int));
+  }
+
+  allocate(sp->array,int,sp->width*sp->height*sizeof(int));
+  allocate(sp->changed_array,int,sp->width*sp->height*sizeof(int));
+  for (x=0;x<sp->width;x++) for (y=0;y<sp->height;y++) ARRAY(x,y) = -1;
+
+  sp->left_right = NRAND(2);
+  sp->top_bottom = NRAND(2);
+
+  box1 = MI_WIDTH(mi)/(sp->width+2);
+  box2 = MI_HEIGHT(mi)/(sp->height+2);
+  if (box1<box2)
+    sp->box = box1;
+  else
+    sp->box = box2;
+
+  if (sp->box >= 12) {
+    sp->box = (sp->box/12)*12;
+    create_bitmaps(mi,sp);
+    if (!sp->use_bitmaps)
+      free_bitmaps(sp);
+   }
+   else
+     sp->use_bitmaps = 0;
+
+  if (!sp->use_bitmaps) {
+    allocate(sp->rectangles,XRectangle,sp->width*sp->height*sizeof(XRectangle));
+    allocate(sp->lines,XSegment,sp->width*sp->height*sizeof(XSegment));
+  }
+
+  allocate(perm,int,sp->nr_polyominoes*sizeof(int));
+  random_permutation(sp->nr_polyominoes, perm);
+  sp->mono = MI_NPIXELS(mi) < 12;
+  start = NRAND(MI_NPIXELS(mi));
+  for (i=0;i<sp->nr_polyominoes;i++)
+    if (!sp->mono) {
+      sp->polyomino[i].color = MI_PIXEL(mi,(perm[i]*MI_NPIXELS(mi) / sp->nr_polyominoes + start) % MI_NPIXELS(mi));
+      if (sp->rot180) {
+         sp->polyomino[i+1].color = sp->polyomino[i].color;
+         i++;
+      }
+    }
+    else
+      if(sp->use_bitmaps)
+        sp->polyomino[i].color = MI_WHITE_PIXEL(mi);
+      else
+        sp->polyomino[i].color = MI_BLACK_PIXEL(mi);
+  free(perm);
+
+  if (sp->use_bitmaps) {
+    if (sp->mono)
+      sp->border_color = MI_WHITE_PIXEL(mi);
+    else
+      sp->border_color = MI_PIXEL(mi,NRAND(MI_NPIXELS(mi)));
+  }
+
+  sp->x_margin = (MI_WIDTH(mi)-sp->box*sp->width)/2;
+  sp->y_margin = (MI_HEIGHT(mi)-sp->box*sp->height)/2;
+
+  sp->wait = 0;
+
+  /* Clear the background. */
+  MI_CLEARWINDOW(mi);
+  
+}
+
+void
+draw_polyominoes(ModeInfo * mi) {
+  polyominoesstruct *sp;
+  int poly_no,point_no,transform_index,done,another_attachment_try;
+  point_type attach_point;
+  int i,detach_until;
+
+  if (polyominoeses == NULL)
+    return;
+  sp = &polyominoeses[MI_SCREEN(mi)];
+
+  if (MI_CYCLES(mi) != 0) {
+    if (++sp->counter > MI_CYCLES(mi)) {
+#ifdef STANDALONE
+      erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
+#endif /* STANDALONE */
+      init_polyominoes(mi);
+      return;
+    }
+  }
+
+  if (sp->box == 0) {
+#ifdef STANDALONE
+    erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
+#endif /* STANDALONE */
+    init_polyominoes(mi);
+    return;
+  }
+
+  MI_IS_DRAWN(mi) = True;
+  sp->wait--;
+  if (sp->wait>0) return;
+
+  memset(sp->changed_array,0,sp->width*sp->height*sizeof(int));
+
+  poly_no = first_poly_no(sp);
+  point_no = 0;
+  transform_index = 0;
+  done = 0;
+  another_attachment_try = 1;
+  find_blank(sp,&attach_point);
+  if (sp->identical && sp->nr_attached < sp->nr_polyominoes)
+    memset(&REASON_TO_NOT_ATTACH(sp->nr_attached,0),0,sp->nr_polyominoes*sizeof(int));
+  while(!done) {
+    if (sp->nr_attached < sp->nr_polyominoes) {
+      while (!done && another_attachment_try) {
+        done = attach(sp,poly_no,point_no,transform_index,attach_point,0,&REASON_TO_NOT_ATTACH(sp->nr_attached,0));
+        if (done && sp->rot180) {
+          poly_no = first_poly_no(sp);
+          done = attach(sp,poly_no,point_no,transform_index,attach_point,1,&REASON_TO_NOT_ATTACH(sp->nr_attached-1,0));
+          if (!done)
+            detach(sp,&poly_no,&point_no,&transform_index,&attach_point,0);
+        }
+        if (!done)
+          another_attachment_try = next_attach_try(sp,&poly_no,&point_no,&transform_index);
+      }
+    }
+
+    if (sp->identical) {
+      if (!done) {
+        if (sp->nr_attached == 0)
+          done = 1;
+        else {
+          detach_until=sp->nr_attached-1;
+          if (sp->nr_attached < sp->nr_polyominoes)
+            while (detach_until>0 && REASON_TO_NOT_ATTACH(sp->nr_attached,detach_until)==0)
+              detach_until--;
+          while (sp->nr_attached>detach_until) {
+            if (sp->rot180)
+              detach(sp,&poly_no,&point_no,&transform_index,&attach_point,1);
+            detach(sp,&poly_no,&point_no,&transform_index,&attach_point,0);
+            if (sp->nr_attached+1+sp->rot180 < sp->nr_polyominoes)
+              for (i=0;i<sp->nr_polyominoes;i++)
+                REASON_TO_NOT_ATTACH(sp->nr_attached,i) |= REASON_TO_NOT_ATTACH(sp->nr_attached+1+sp->rot180,i);
+          }
+          another_attachment_try = next_attach_try(sp,&poly_no,&point_no,&transform_index);
+        }
+      }
+    }
+    else {
+      if (!done) {
+        if (sp->nr_attached == 0)
+          done = 1;
+        else {
+          if (sp->rot180)
+            detach(sp,&poly_no,&point_no,&transform_index,&attach_point,1);
+          detach(sp,&poly_no,&point_no,&transform_index,&attach_point,0);
+        }
+        another_attachment_try = next_attach_try(sp,&poly_no,&point_no,&transform_index);
+      }
+    }
+  }
+
+  if (sp->use_bitmaps)
+    draw_with_bitmaps(mi,sp);
+  else
+    draw_without_bitmaps(mi,sp);
+
+  if (sp->nr_attached == sp->nr_polyominoes)
+    sp->wait = 100;
+  else
+    sp->wait = 0;
+}
+
+void
+release_polyominoes(ModeInfo * mi) {
+  int screen;
+  
+  if (polyominoeses != NULL) {
+    for (screen=0;screen<MI_NUM_SCREENS(mi); screen++)
+      free_polyominoes(&polyominoeses[screen]);
+    (void) free((void *) polyominoeses);
+    polyominoeses = (polyominoesstruct *) NULL;
+  }
+}
+
+void
+refresh_polyominoes(ModeInfo * mi) {
+  MI_CLEARWINDOW(mi);
+}
+
+#endif /* MODE_polyominoes */
diff --git a/hacks/rotor.c b/hacks/rotor.c

index 135159e36e40f5a5b562a2609d18a4c13602239f..65a1fdd738880c6eea00f0aa9577c8d4956d0117 100644 (file)
--- a/hacks/rotor.c
+++ b/hacks/rotor.c
@@ -2,7 +2,7 @@
  /* rotor --- a swirly rotor */
  
  #if !defined( lint ) && !defined( SABER )
  /* rotor --- a swirly rotor */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)rotor.c      4.04 97/07/28 xlockmore";
+static const char sccsid[] = "@(#)rotor.c      5.00 2000/11/01 xlockmore";
  
  #endif
  
  
  #endif
  
@@ -22,38 +22,52 @@ static const char sccsid[] = "@(#)rotor.c   4.04 97/07/28 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 10-May-97:  Compatible with xscreensaver
- * 08-Mar-95: CAT stuff for ## was tripping up some C compilers.  Removed.
- * 01-Dec-93: added patch for AIXV3 from Tom McConnell
- *            <tmcconne@sedona.intel.com>
- * 11-Nov-90: put into xlock by Steve Zellers <zellers@sun.com>
- * 16-Oct-90: Received from Tom Lawrence (tcl@cs.brown.edu: 'flight' simulator)
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Compatible with xscreensaver
+ * 08-Mar-1995: CAT stuff for ## was tripping up some C compilers.  Removed.
+ * 01-Dec-1993: added patch for AIXV3 from Tom McConnell
+ *              <tmcconne@sedona.intel.com>
+ * 11-Nov-1990: put into xlock by Steve Zellers <zellers@sun.com>
+ * 16-Oct-1990: Received from Tom Lawrence (tcl@cs.brown.edu: 'flight'
+ *               simulator)
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS "Rotor"
-# define HACK_INIT init_rotor
-# define HACK_DRAW draw_rotor
-# define rotor_opts xlockmore_opts
-# define DEFAULTS      "*delay:   10000 \n"    \
-                                       "*count:   4 \n"                \
-                                       "*size:   -6 \n"                \
-                                       "*cycles:  20 \n"               \
-                                       "*ncolors: 200 \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                /* in xscreensaver distribution */
+#define MODE_rotor
+#define PROGCLASS "Rotor"
+#define HACK_INIT init_rotor
+#define HACK_DRAW draw_rotor
+#define rotor_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+ "*count: 4 \n" \
+ "*cycles: 20 \n" \
+ "*size: -6 \n" \
+ "*ncolors: 200 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
  #else /* STANDALONE */
  #else /* STANDALONE */
-# include "xlock.h"                    /* in xlockmore distribution */
+#include "xlock.h"             /* in xlockmore distribution */
  #endif /* STANDALONE */
  
  #endif /* STANDALONE */
  
+#ifdef MODE_rotor
+
  ModeSpecOpt rotor_opts =
  ModeSpecOpt rotor_opts =
-{0, NULL, 0, NULL, NULL};
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   rotor_description =
+{"rotor", "init_rotor", "draw_rotor", "release_rotor",
+ "refresh_rotor", "init_rotor", (char *) NULL, &rotor_opts,
+ 100, 4, 100, -6, 64, 0.3, "",
+ "Shows Tom's Roto-Rooter", 0, NULL};
+
+#endif
  
  /*-
   * A 'batchcount' of 3 or 4 works best!
   */
  
  
  /*-
   * A 'batchcount' of 3 or 4 works best!
   */
  
-#define MAXANGLE       3000.0  /* irrectangular (jwz: was 10000.0) */
+#define MAXANGLE       3000.0  /* irrectangular  (was 10000.0) */
  
  /* How many segments to draw per cycle when redrawing */
  #define REDRAWSTEP 3
  
  /* How many segments to draw per cycle when redrawing */
  #define REDRAWSTEP 3
@@ -88,17 +102,31 @@ typedef struct {
         elem       *elements;
         XPoint     *save;
         int         redrawing, redrawpos;
         elem       *elements;
         XPoint     *save;
         int         redrawing, redrawpos;
+       int         linewidth;
  } rotorstruct;
  
  } rotorstruct;
  
-static rotorstruct *rotors = NULL;
+static rotorstruct *rotors = (rotorstruct *) NULL;
+
+static void
+free_rotor(rotorstruct *rp)
+{
+       if (rp->elements != NULL) {
+               (void) free((void *) rp->elements);
+               rp->elements = (elem *) NULL;
+       }
+       if (rp->save != NULL) {
+               (void) free((void *) rp->save);
+               rp->save = (XPoint *) NULL;
+       }
+}
  
  void
  init_rotor(ModeInfo * mi)
  {
  
  void
  init_rotor(ModeInfo * mi)
  {
-       rotorstruct *rp;
         int         x;
         elem       *pelem;
         unsigned char wasiconified;
         int         x;
         elem       *pelem;
         unsigned char wasiconified;
+       rotorstruct *rp;
  
         if (rotors == NULL) {
                 if ((rotors = (rotorstruct *) calloc(MI_NUM_SCREENS(mi),
  
         if (rotors == NULL) {
                 if ((rotors = (rotorstruct *) calloc(MI_NUM_SCREENS(mi),
@@ -110,8 +138,8 @@ init_rotor(ModeInfo * mi)
         rp->prevcenterx = rp->centerx;
         rp->prevcentery = rp->centery;
  
         rp->prevcenterx = rp->centerx;
         rp->prevcentery = rp->centery;
  
-       rp->centerx = MI_WIN_WIDTH(mi) / 2;
-       rp->centery = MI_WIN_HEIGHT(mi) / 2;
+       rp->centerx = MI_WIDTH(mi) / 2;
+       rp->centery = MI_HEIGHT(mi) / 2;
  
         rp->redrawing = 0;
         /*
  
         rp->redrawing = 0;
         /*
@@ -122,7 +150,7 @@ init_rotor(ModeInfo * mi)
          */
  
         wasiconified = rp->iconifiedscreen;
          */
  
         wasiconified = rp->iconifiedscreen;
-       rp->iconifiedscreen = MI_WIN_IS_ICONIC(mi);
+       rp->iconifiedscreen = MI_IS_ICONIC(mi);
  
         if (wasiconified && !rp->iconifiedscreen)
                 rp->firsttime = True;
  
         if (wasiconified && !rp->iconifiedscreen)
                 rp->firsttime = True;
@@ -137,21 +165,33 @@ init_rotor(ModeInfo * mi)
                 if (!rp->prevcentery)
                         rp->prevcentery = rp->centery * 12;
  
                 if (!rp->prevcentery)
                         rp->prevcentery = rp->centery * 12;
  
-               rp->num = MI_BATCHCOUNT(mi);
+               rp->num = MI_COUNT(mi);
                 if (rp->num < 0) {
                         rp->num = NRAND(-rp->num) + 1;
                         if (rp->elements != NULL) {
                                 (void) free((void *) rp->elements);
                 if (rp->num < 0) {
                         rp->num = NRAND(-rp->num) + 1;
                         if (rp->elements != NULL) {
                                 (void) free((void *) rp->elements);
-                               rp->elements = NULL;
+                               rp->elements = (elem *) NULL;
                         }
                 }
                 if (rp->elements == NULL)
                         }
                 }
                 if (rp->elements == NULL)
-                       rp->elements = (elem *) calloc(rp->num, sizeof (elem));
+                       if ((rp->elements = (elem *) calloc(rp->num,
+                                       sizeof (elem))) == NULL) {
+                               free_rotor(rp);
+                               return;
+                       }
                 rp->nsave = MI_CYCLES(mi);
                 if (rp->nsave <= 1)
                         rp->nsave = 2;
                 if (rp->save == NULL)
                 rp->nsave = MI_CYCLES(mi);
                 if (rp->nsave <= 1)
                         rp->nsave = 2;
                 if (rp->save == NULL)
-                       rp->save = (XPoint *) calloc(rp->nsave, sizeof (XPoint));
+                       if ((rp->save = (XPoint *) malloc(rp->nsave *
+                                       sizeof (XPoint))) == NULL) {
+                               free_rotor(rp);
+                               return;
+                       }
+               for (x = 0; x < rp->nsave; x++) {
+                       rp->save[x].x = rp->centerx;
+                       rp->save[x].y = rp->centery;
+               }
  
                 pelem = rp->elements;
  
  
                 pelem = rp->elements;
  
@@ -175,18 +215,14 @@ init_rotor(ModeInfo * mi)
                 rp->angle = (float) NRAND((long) MAXANGLE) / 3.0;
                 rp->forward = rp->firsttime = True;
         }
                 rp->angle = (float) NRAND((long) MAXANGLE) / 3.0;
                 rp->forward = rp->firsttime = True;
         }
+       rp->linewidth = MI_SIZE(mi);
  
  
-       {
-         int line_width = MI_SIZE(mi);
-         if (line_width == 0)
-               line_width = -5;
-         if (line_width < 0)
-               line_width = NRAND(-line_width)+1;
-         XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), line_width,
-                                                LineSolid, CapButt, JoinMiter);
-       }
+       if (rp->linewidth == 0)
+               rp->linewidth = 1;
+       if (rp->linewidth < 0)
+               rp->linewidth = NRAND(-rp->linewidth) + 1;
  
  
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       MI_CLEARWINDOW(mi);
  }
  
  void
  }
  
  void
@@ -194,12 +230,19 @@ draw_rotor(ModeInfo * mi)
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
-       register rotorstruct *rp = &rotors[MI_SCREEN(mi)];
         register elem *pelem;
         int         thisx, thisy;
         int         i;
         int         x_1, y_1, x_2, y_2;
         register elem *pelem;
         int         thisx, thisy;
         int         i;
         int         x_1, y_1, x_2, y_2;
+       rotorstruct *rp;
  
  
+       if (rotors == NULL)
+               return;
+       rp = &rotors[MI_SCREEN(mi)];
+       if (rp->elements == NULL)
+               return;
+
+       MI_IS_DRAWN(mi) = True;
         if (!rp->iconifiedscreen) {
                 thisx = rp->centerx;
                 thisy = rp->centery;
         if (!rp->iconifiedscreen) {
                 thisx = rp->centerx;
                 thisy = rp->centery;
@@ -207,6 +250,8 @@ draw_rotor(ModeInfo * mi)
                 thisx = rp->prevcenterx;
                 thisy = rp->prevcentery;
         }
                 thisx = rp->prevcenterx;
                 thisy = rp->prevcentery;
         }
+       XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), rp->linewidth,
+                          LineSolid, CapButt, JoinMiter);
         for (i = rp->num, pelem = rp->elements; --i >= 0; pelem++) {
                 if (pelem->radius_drift_max <= pelem->radius_drift_now) {
                         pelem->start_radius = pelem->end_radius;
         for (i = rp->num, pelem = rp->elements; --i >= 0; pelem++) {
                 if (pelem->radius_drift_max <= pelem->radius_drift_now) {
                         pelem->start_radius = pelem->end_radius;
@@ -237,7 +282,7 @@ draw_rotor(ModeInfo * mi)
         if (rp->firsttime)
                 rp->firsttime = False;
         else {
         if (rp->firsttime)
                 rp->firsttime = False;
         else {
-               XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
  
                 x_1 = (int) rp->save[rp->rotor].x;
                 y_1 = (int) rp->save[rp->rotor].y;
  
                 x_1 = (int) rp->save[rp->rotor].x;
                 y_1 = (int) rp->save[rp->rotor].y;
@@ -257,7 +302,7 @@ draw_rotor(ModeInfo * mi)
                         if (++rp->pix >= MI_NPIXELS(mi))
                                 rp->pix = 0;
                 } else
                         if (++rp->pix >= MI_NPIXELS(mi))
                                 rp->pix = 0;
                 } else
-                       XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+                       XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
  
                 x_1 = rp->lastx;
                 y_1 = rp->lasty;
  
                 x_1 = rp->lastx;
                 y_1 = rp->lasty;
@@ -317,6 +362,8 @@ draw_rotor(ModeInfo * mi)
                         }
                 }
         }
                         }
                 }
         }
+       XSetLineAttributes(MI_DISPLAY(mi), MI_GC(mi), 1,
+                          LineSolid, CapButt, JoinMiter);
  }
  
  void
  }
  
  void
@@ -325,24 +372,25 @@ release_rotor(ModeInfo * mi)
         if (rotors != NULL) {
                 int         screen;
  
         if (rotors != NULL) {
                 int         screen;
  
-               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
-                       rotorstruct *rp = &rotors[screen];
-
-                       if (rp->elements != NULL)
-                               (void) free((void *) rp->elements);
-                       if (rp->save != NULL)
-                               (void) free((void *) rp->save);
-               }
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_rotor(&rotors[screen]);
                 (void) free((void *) rotors);
                 (void) free((void *) rotors);
-               rotors = NULL;
+               rotors = (rotorstruct *) NULL;
         }
  }
  
  void
  refresh_rotor(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_rotor(ModeInfo * mi)
  {
-       rotorstruct *rp = &rotors[MI_SCREEN(mi)];
+       rotorstruct *rp;
  
  
+       if (rotors == NULL)
+               return;
+       rp = &rotors[MI_SCREEN(mi)];
+
+       MI_CLEARWINDOW(mi);
         rp->redrawing = 1;
         rp->redrawpos = 1;
  }
         rp->redrawing = 1;
         rp->redrawpos = 1;
  }
+
+#endif /* MODE_rotor */
diff --git a/hacks/shadebobs.c b/hacks/shadebobs.c

index d384605add37067ddf55db4ccc62a4b5b945982a..d0942bcf4395b1b0e845cbc621a8d664197a6b32 100644 (file)
--- a/hacks/shadebobs.c
+++ b/hacks/shadebobs.c
@@ -45,6 +45,8 @@
  char *progclass = "ShadeBobs";
  
  char *defaults [] = {
  char *progclass = "ShadeBobs";
  
  char *defaults [] = {
+  ".background: black",
+  ".foreground: white",
    "*degrees:  0",      /* default: Automatic degree calculation */
    "*color:    random",
    "*count:    4",
    "*degrees:  0",      /* default: Automatic degree calculation */
    "*color:    random",
    "*count:    4",
diff --git a/hacks/sierpinski.c b/hacks/sierpinski.c

index ca22999c147f0dd083ad443dbc5e3255b806277a..e0a5ac212bb74c5d36bb76e25015bf4d20814b0d 100644 (file)
--- a/hacks/sierpinski.c
+++ b/hacks/sierpinski.c
@@ -2,10 +2,12 @@
  /* sierpinski --- Sierpinski's triangle fractal */
  
  #if !defined( lint ) && !defined( SABER )
  /* sierpinski --- Sierpinski's triangle fractal */
  
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)sierpinski.c 4.05 97/09/19 xlockmore";
+static const char sccsid[] = "@(#)sierpinski.c 5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1996 by Desmond Daignault
+/*-
+ * Copyright (c) 1996 by Desmond Daignault
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -19,31 +21,47 @@ static const char sccsid[] = "@(#)sierpinski.c      4.05 97/09/19 xlockmore";
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
+ * Dots initially appear where they "should not".  Later they get
+ * "focused".  This is correct behavior.
+ *
   * Revision History:
   * Revision History:
- * 18-Sep-97: 3D version Antti Kuntsi <kuntsi@iki.fi>.
- * 20-May-97: Changed the name tri to sierpinski for more compatiblity
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- * 05-Sep-96: Desmond Daignault Datatimes Incorporated
+ * 01-Nov-2000: Allocation checks
+ * 18-Sep-1997: 3D version Antti Kuntsi <kuntsi@iki.fi>.
+ * 20-May-1997: Changed the name tri to sierpinski for more compatiblity
+ * 10-May-1997: Jamie Zawinski <jwz@jwz.org> compatible with xscreensaver
+ * 05-Sep-1996: Desmond Daignault Datatimes Incorporated
   *            <tekdd@dtol.datatimes.com> .
   */
  
  #ifdef STANDALONE
   *            <tekdd@dtol.datatimes.com> .
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Sierpinski"
-# define HACK_INIT                                     init_sierpinski
-# define HACK_DRAW                                     draw_sierpinski
-# define sierpinski_opts                       xlockmore_opts
-# define DEFAULTS      "*delay:                400000  \n"                     \
-                                       "*count:                2000    \n"                     \
-                                       "*cycles:               100     \n"                     \
-                                       "*ncolors:              64   \n"
-# define BRIGHT_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
+#define MODE_sierpinski
+#define PROGCLASS "Sierpinski"
+#define HACK_INIT init_sierpinski
+#define HACK_DRAW draw_sierpinski
+#define sierpinski_opts xlockmore_opts
+#define DEFAULTS "*delay: 400000 \n" \
+ "*count: 2000 \n" \
+ "*cycles: 100 \n" \
+ "*ncolors: 64 \n"
+#define BRIGHT_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_sierpinski
  
  ModeSpecOpt sierpinski_opts =
  
  ModeSpecOpt sierpinski_opts =
-{0, NULL, 0, NULL, NULL};
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   sierpinski_description =
+{"sierpinski", "init_sierpinski", "draw_sierpinski", "release_sierpinski",
+ "refresh_sierpinski", "init_sierpinski", (char *) NULL, &sierpinski_opts,
+ 400000, 2000, 100, 1, 64, 1.0, "",
+ "Shows Sierpinski's triangle", 0, NULL};
+
+#endif
  
  #define MAXCORNERS 4
  
  
  #define MAXCORNERS 4
  
@@ -52,14 +70,14 @@ typedef struct {
         int         time;
         int         px, py;
         int         total_npoints;
         int         time;
         int         px, py;
         int         total_npoints;
-  int         corners;
+       int         corners;
         int         npoints[MAXCORNERS];
         unsigned long colors[MAXCORNERS];
         XPoint     *pointBuffer[MAXCORNERS];
         XPoint      vertex[MAXCORNERS];
  } sierpinskistruct;
  
         int         npoints[MAXCORNERS];
         unsigned long colors[MAXCORNERS];
         XPoint     *pointBuffer[MAXCORNERS];
         XPoint      vertex[MAXCORNERS];
  } sierpinskistruct;
  
-static sierpinskistruct *tris = NULL;
+static sierpinskistruct *tris = (sierpinskistruct *) NULL;
  
  static void
  startover(ModeInfo * mi)
  
  static void
  startover(ModeInfo * mi)
@@ -68,23 +86,23 @@ startover(ModeInfo * mi)
         sierpinskistruct *sp = &tris[MI_SCREEN(mi)];
  
         if (MI_NPIXELS(mi) > 2) {
         sierpinskistruct *sp = &tris[MI_SCREEN(mi)];
  
         if (MI_NPIXELS(mi) > 2) {
-    if (sp->corners == 3) {
-               sp->colors[0] = (NRAND(MI_NPIXELS(mi)));
-               sp->colors[1] = (sp->colors[0] + MI_NPIXELS(mi) / 7 +
+               if (sp->corners == 3) {
+                       sp->colors[0] = (NRAND(MI_NPIXELS(mi)));
+                       sp->colors[1] = (sp->colors[0] + MI_NPIXELS(mi) / 7 +
                          NRAND(2 * MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
                          NRAND(2 * MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
-               sp->colors[2] = (sp->colors[0] + 4 * MI_NPIXELS(mi) / 7 +
+                       sp->colors[2] = (sp->colors[0] + 4 * MI_NPIXELS(mi) / 7 +
                          NRAND(2 * MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
                          NRAND(2 * MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
-   } else if (sp->corners == 4) {
-               sp->colors[0] = (NRAND(MI_NPIXELS(mi)));
-               sp->colors[1] = (sp->colors[0] + MI_NPIXELS(mi) / 7 +
-                        NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
-               sp->colors[2] = (sp->colors[0] + 3 * MI_NPIXELS(mi) / 7 +
-                        NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
-               sp->colors[3] = (sp->colors[0] + 5 * MI_NPIXELS(mi) / 7 +
-                        NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
-   } else {
-     (void) fprintf(stderr, "colors not set for %d corners\n", sp->corners);
-        }
+               } else if (sp->corners == 4) {
+                       sp->colors[0] = (NRAND(MI_NPIXELS(mi)));
+                       sp->colors[1] = (sp->colors[0] + MI_NPIXELS(mi) / 7 +
+                            NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
+                       sp->colors[2] = (sp->colors[0] + 3 * MI_NPIXELS(mi) / 7 +
+                            NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
+                       sp->colors[3] = (sp->colors[0] + 5 * MI_NPIXELS(mi) / 7 +
+                            NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
+               } else {
+                       (void) fprintf(stderr, "colors not set for %d corners\n", sp->corners);
+               }
         }
         for (j = 0; j < sp->corners; j++) {
                 sp->vertex[j].x = NRAND(sp->width);
         }
         for (j = 0; j < sp->corners; j++) {
                 sp->vertex[j].x = NRAND(sp->width);
@@ -93,14 +111,27 @@ startover(ModeInfo * mi)
         sp->px = NRAND(sp->width);
         sp->py = NRAND(sp->height);
         sp->time = 0;
         sp->px = NRAND(sp->width);
         sp->py = NRAND(sp->height);
         sp->time = 0;
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+
+       MI_CLEARWINDOW(mi);
+}
+
+static void
+free_sierpinski(sierpinskistruct *sp)
+{
+       int corner;
+
+       for (corner = 0; corner < MAXCORNERS; corner++)
+               if (sp->pointBuffer[corner] != NULL) {
+                       (void) free((void *) sp->pointBuffer[corner]);
+                       sp->pointBuffer[corner] = (XPoint *) NULL;
+               }
  }
  
  void
  init_sierpinski(ModeInfo * mi)
  {
  }
  
  void
  init_sierpinski(ModeInfo * mi)
  {
-       sierpinskistruct *sp;
         int         i;
         int         i;
+       sierpinskistruct *sp;
  
         if (tris == NULL) {
                 if ((tris = (sierpinskistruct *) calloc(MI_NUM_SCREENS(mi),
  
         if (tris == NULL) {
                 if ((tris = (sierpinskistruct *) calloc(MI_NUM_SCREENS(mi),
@@ -109,20 +140,23 @@ init_sierpinski(ModeInfo * mi)
         }
         sp = &tris[MI_SCREEN(mi)];
  
         }
         sp = &tris[MI_SCREEN(mi)];
  
-       sp->width = MI_WIN_WIDTH(mi);
-       sp->height = MI_WIN_HEIGHT(mi);
+       sp->width = MI_WIDTH(mi);
+       sp->height = MI_HEIGHT(mi);
  
  
-       sp->total_npoints = MI_BATCHCOUNT(mi);
+       sp->total_npoints = MI_COUNT(mi);
         if (sp->total_npoints < 1)
                 sp->total_npoints = 1;
         if (sp->total_npoints < 1)
                 sp->total_npoints = 1;
-  sp->corners = MI_SIZE(mi);
+       sp->corners = MI_SIZE(mi);
         if (sp->corners < 3 || sp->corners > 4) {
         if (sp->corners < 3 || sp->corners > 4) {
-               sp->corners = (LRAND() & 1) + 3;
+               sp->corners = (int) (LRAND() & 1) + 3;
         }
         for (i = 0; i < sp->corners; i++) {
                 if (!sp->pointBuffer[i])
         }
         for (i = 0; i < sp->corners; i++) {
                 if (!sp->pointBuffer[i])
-                       sp->pointBuffer[i] = (XPoint *) malloc(sp->total_npoints *
-                                                           sizeof (XPoint));
+                       if ((sp->pointBuffer[i] = (XPoint *) malloc(sp->total_npoints *
+                                       sizeof (XPoint))) == NULL) {
+                               free_sierpinski(sp);
+                               return;
+                       }
         }
         startover(mi);
  }
         }
         startover(mi);
  }
@@ -132,12 +166,19 @@ draw_sierpinski(ModeInfo * mi)
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
-       sierpinskistruct *sp = &tris[MI_SCREEN(mi)];
         XPoint     *xp[MAXCORNERS];
         XPoint     *xp[MAXCORNERS];
-       int         i = 0, v;
+       int         i, v;
+       sierpinskistruct *sp;
+
+       if (tris == NULL)
+               return;
+       sp = &tris[MI_SCREEN(mi)];
+       if (sp->pointBuffer[0] == NULL)
+               return;
  
  
+       MI_IS_DRAWN(mi) = True;
         if (MI_NPIXELS(mi) <= 2)
         if (MI_NPIXELS(mi) <= 2)
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         for (i = 0; i < sp->corners; i++)
                 xp[i] = sp->pointBuffer[i];
         for (i = 0; i < sp->total_npoints; i++) {
         for (i = 0; i < sp->corners; i++)
                 xp[i] = sp->pointBuffer[i];
         for (i = 0; i < sp->total_npoints; i++) {
@@ -164,21 +205,19 @@ void
  release_sierpinski(ModeInfo * mi)
  {
         if (tris != NULL) {
  release_sierpinski(ModeInfo * mi)
  {
         if (tris != NULL) {
-               int         screen, i;
+               int         screen;
  
  
-               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
-                       for (i = 0; i < MAXCORNERS; i++)
-                               if (tris[screen].pointBuffer[i] != NULL) {
-                                       (void) free((void *) tris[screen].pointBuffer[i]);
-                               }
-               }
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_sierpinski(&tris[screen]);
                 (void) free((void *) tris);
                 (void) free((void *) tris);
-               tris = NULL;
+               tris = (sierpinskistruct *) NULL;
         }
  }
  
  void
  refresh_sierpinski(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_sierpinski(ModeInfo * mi)
  {
-       /* Do nothing, it will refresh by itself */
+       MI_CLEARWINDOW(mi);
  }
  }
+
+#endif /* MODE_sierpinski */
diff --git a/hacks/slip.c b/hacks/slip.c

index 5c51243688fe8cf8740be80e67fd5ff3ddd45db4..44672e7b17e80a2ba5f6c1ca390c678523db7a7e 100644 (file)
--- a/hacks/slip.c
+++ b/hacks/slip.c
@@ -1,11 +1,13 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * slip --- lots of blits.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* slip --- lots of slipping blits */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)slip.c       4.00 97/01/01 xlockmore";
+static const char sccsid[] = "@(#)slip.c       5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1992 by Scott Draves (spot@cs.cmu.edu)
+/*-
+ * Copyright (c) 1992 by Scott Draves <spot@cs.cmu.edu>
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -19,27 +21,39 @@ static const char sccsid[] = "@(#)slip.c    4.00 97/01/01 xlockmore";
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
- * Revision History:
- * 12-May-97: jwz@jwz.org: turned into a standalone program.
- * 01-Dec-95: Patched for VMS <joukj@alpha.chem.uva.nl>.
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: Jamie Zawinski <jwz@jwz.org> compatible with xscreensaver
+ * 01-Dec-1995: Patched for VMS <joukj@hrem.stm.tudelft.nl>
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Slip"
-# define HACK_INIT                                     init_slip
-# define HACK_DRAW                                     draw_slip
-# define slip_opts                                     xlockmore_opts
-# define DEFAULTS      "*count:                35    \n"                       \
-                                       "*cycles:               50    \n"                       \
-                                       "*delay:                50000 \n"                       \
-                                       "*ncolors:              200   \n"
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-ModeSpecOpt slip_opts = {
-  0, NULL, 0, NULL, NULL };
+#define MODE_slip
+#define PROGCLASS "Slip"
+#define HACK_INIT init_slip
+#define HACK_DRAW draw_slip
+#define slip_opts xlockmore_opts
+#define DEFAULTS "*delay: 50000 \n" \
+ "*count: 35 \n" \
+ "*cycles: 50 \n" \
+ "*ncolors: 200 \n"
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_slip
+
+ModeSpecOpt slip_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   slip_description =
+{"slip", "init_slip", "draw_slip", "release_slip",
+ "init_slip", "init_slip", (char *) NULL, &slip_opts,
+ 50000, 35, 50, 1, 64, 1.0, "",
+ "Shows slipping blits", 0, NULL};
+
+#endif
  
  typedef struct {
         int         width, height;
  
  typedef struct {
         int         width, height;
@@ -47,40 +61,40 @@ typedef struct {
         int         blit_width, blit_height;
         int         mode;
         int         first_time;
         int         blit_width, blit_height;
         int         mode;
         int         first_time;
-    int         backwards;
+       int         backwards;
+       short       lasthalf;
+       int         stage;
+       unsigned long r;
  } slipstruct;
  } slipstruct;
-static slipstruct *slips = NULL;
+static slipstruct *slips = (slipstruct *) NULL;
  
  static short
  
  static short
-halfrandom(int mv)
+halfrandom(slipstruct *sp, int mv)
  {
  {
-       static short lasthalf = 0;
         unsigned long r;
  
         unsigned long r;
  
-       if (lasthalf) {
-               r = lasthalf;
-               lasthalf = 0;
+       if (sp->lasthalf) {
+               r = sp->lasthalf;
+               sp->lasthalf = 0;
         } else {
                 r = LRAND();
         } else {
                 r = LRAND();
-               lasthalf = r >> 16;
+               sp->lasthalf = (short) (r >> 16);
         }
         return r % mv;
  }
  
  static int
         }
         return r % mv;
  }
  
  static int
-erandom(int mv)
+erandom(slipstruct *sp, int mv)
  {
  {
-       static int  stage = 0;
-       static unsigned long r;
         int         res;
  
         int         res;
  
-       if (0 == stage) {
-               r = LRAND();
-               stage = 7;
+       if (0 == sp->stage) {
+               sp->r = LRAND();
+               sp->stage = 7;
         }
         }
-       res = r & 0xf;
-       r = r >> 4;
-       stage--;
+       res = (int) (sp->r & 0xf);
+       sp->r = sp->r >> 4;
+       sp->stage--;
         if (res & 8)
                 return res & mv;
         else
         if (res & 8)
                 return res & mv;
         else
@@ -88,60 +102,59 @@ erandom(int mv)
  }
  
  static void
  }
  
  static void
-prepare_screen(ModeInfo * mi, slipstruct * s)
+prepare_screen(ModeInfo * mi, slipstruct * sp)
  {
  
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
  {
  
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
-       int         i, n, w = s->width / 20;
-       int         not_solid = halfrandom(10);
+       int         i, n, w = sp->width / 20;
+       int         not_solid = halfrandom(sp, 10);
  
  #ifdef STANDALONE                        /* jwz -- sometimes hack the desktop image! */
  
  #ifdef STANDALONE                        /* jwz -- sometimes hack the desktop image! */
-       if (halfrandom(2) == 0)
-         {
-               grab_screen_image(DefaultScreenOfDisplay (MI_DISPLAY(mi)),
-                                                 MI_WINDOW(mi));
-               return;
-         }
+       if (halfrandom(sp, 2) == 0) {
+               grab_screen_image(DefaultScreenOfDisplay(display),
+                                 MI_WINDOW(mi));
+       }
  #endif
  
  #endif
  
-       s->backwards = LRAND() & 1;             /* jwz: go the other way sometimes */
+       sp->backwards = (int) (LRAND() & 1);    /* jwz: go the other way sometimes */
  
  
-       if (s->first_time || (0 == halfrandom(10))) {
-               XClearWindow(display, MI_WINDOW(mi));
+       if (sp->first_time || !halfrandom(sp, 10)) {
+               MI_CLEARWINDOW(mi);
                 n = 300;
         } else {
                 n = 300;
         } else {
-               if (halfrandom(5))
+               if (halfrandom(sp, 5))
                         return;
                         return;
-               if (halfrandom(5))
+               if (halfrandom(sp, 5))
                         n = 100;
                 else
                         n = 2000;
         }
  
         if (MI_NPIXELS(mi) > 2)
                         n = 100;
                 else
                         n = 2000;
         }
  
         if (MI_NPIXELS(mi) > 2)
-               XSetForeground(display, gc, MI_PIXEL(mi, halfrandom(MI_NPIXELS(mi))));
-       else if (halfrandom(2))
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+               XSetForeground(display, gc, MI_PIXEL(mi, halfrandom(sp, MI_NPIXELS(mi))));
+       else if (halfrandom(sp, 2))
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         else
         else
-               XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
  
         for (i = 0; i < n; i++) {
  
         for (i = 0; i < n; i++) {
-         int ww = ((w/2) + halfrandom(w));
+               int         ww = ((w / 2) + halfrandom(sp, MAX(w, 1)));
+
                 if (not_solid) {
                         if (MI_NPIXELS(mi) > 2)
                 if (not_solid) {
                         if (MI_NPIXELS(mi) > 2)
-                               XSetForeground(display, gc, MI_PIXEL(mi, halfrandom(MI_NPIXELS(mi))));
-                       else if (halfrandom(2))
-                               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+                               XSetForeground(display, gc, MI_PIXEL(mi, halfrandom(sp, MI_NPIXELS(mi))));
+                       else if (halfrandom(sp, 2))
+                               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
                         else
                         else
-                               XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+                               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
                 }
                 XFillRectangle(display, MI_WINDOW(mi), gc,
                 }
                 XFillRectangle(display, MI_WINDOW(mi), gc,
-                              halfrandom(s->width - ww),
-                              halfrandom(s->height - ww),
+                              halfrandom(sp, MAX(sp->width - ww, 1)),
+                              halfrandom(sp, MAX(sp->height - ww, 1)),
                                ww, ww);
         }
                                ww, ww);
         }
-       s->first_time = 0;
+       sp->first_time = 0;
  }
  
  static int
  }
  
  static int
@@ -167,8 +180,8 @@ init_slip(ModeInfo * mi)
         }
         sp = &slips[MI_SCREEN(mi)];
  
         }
         sp = &slips[MI_SCREEN(mi)];
  
-       sp->width = MI_WIN_WIDTH(mi);
-       sp->height = MI_WIN_HEIGHT(mi);
+       sp->width = MI_WIDTH(mi);
+       sp->height = MI_HEIGHT(mi);
  
         sp->blit_width = sp->width / 25;
         sp->blit_height = sp->height / 25;
  
         sp->blit_width = sp->width / 25;
         sp->blit_height = sp->height / 25;
@@ -186,34 +199,40 @@ draw_slip(ModeInfo * mi)
         Display    *display = MI_DISPLAY(mi);
         Window      window = MI_WINDOW(mi);
         GC          gc = MI_GC(mi);
         Display    *display = MI_DISPLAY(mi);
         Window      window = MI_WINDOW(mi);
         GC          gc = MI_GC(mi);
-       slipstruct *s = &slips[MI_SCREEN(mi)];
         int         timer;
         int         timer;
+       slipstruct *sp;
  
  
-       timer = MI_BATCHCOUNT(mi) * MI_CYCLES(mi);
+       if (slips == NULL)
+               return;
+       sp = &slips[MI_SCREEN(mi)];
+
+       timer = MI_COUNT(mi) * MI_CYCLES(mi);
+
+       MI_IS_DRAWN(mi) = True;
  
         while (timer--) {
  
         while (timer--) {
-               int         xi = halfrandom(s->width - s->blit_width);
-               int         yi = halfrandom(s->height - s->blit_height);
+               int         xi = halfrandom(sp, MAX(sp->width - sp->blit_width, 1));
+               int         yi = halfrandom(sp, MAX(sp->height - sp->blit_height, 1));
                 double      x, y, dx = 0, dy = 0, t, s1, s2;
  
                 double      x, y, dx = 0, dy = 0, t, s1, s2;
  
-               if (0 == s->nblits_remaining--) {
-                       static int lut[] =
+               if (0 == sp->nblits_remaining--) {
+                       static int  lut[] =
                         {0, 0, 0, 1, 1, 1, 2};
  
                         {0, 0, 0, 1, 1, 1, 2};
  
-                       prepare_screen(mi, s);
-                       s->nblits_remaining = MI_BATCHCOUNT(mi) *
-                               (2000 + halfrandom(1000) + halfrandom(1000));
-                       if (s->mode == 2)
-                               s->mode = halfrandom(2);
+                       prepare_screen(mi, sp);
+                       sp->nblits_remaining = MI_COUNT(mi) *
+                               (2000 + halfrandom(sp, 1000) + halfrandom(sp, 1000));
+                       if (sp->mode == 2)
+                               sp->mode = halfrandom(sp, 2);
                         else
                         else
-                               s->mode = lut[halfrandom(7)];
+                               sp->mode = lut[halfrandom(sp, 7)];
                 }
                 }
-               x = (2 * xi + s->blit_width) / (double) s->width - 1;
-               y = (2 * yi + s->blit_height) / (double) s->height - 1;
+               x = (2 * xi + sp->blit_width) / (double) sp->width - 1;
+               y = (2 * yi + sp->blit_height) / (double) sp->height - 1;
  
                 /* (x,y) is in biunit square */
  
                 /* (x,y) is in biunit square */
-               switch (s->mode) {
-                       case 0:                                                         /* rotor */
+               switch (sp->mode) {
+                       case 0: /* rotor */
                                 dx = x;
                                 dy = y;
  
                                 dx = x;
                                 dy = y;
  
@@ -232,16 +251,17 @@ draw_slip(ModeInfo * mi)
                                 s2 = 2 * dx * dy / t;
                                 dx = s1 * 5;
                                 dy = s2 * 5;
                                 s2 = 2 * dx * dy / t;
                                 dx = s1 * 5;
                                 dy = s2 * 5;
-                               if (s->backwards) {     /* jwz: go the other way sometimes */
+
+                               if (sp->backwards) {    /* jwz: go the other way sometimes */
                                         dx = -dx;
                                         dy = -dy;
                                 }
                                 break;
                                         dx = -dx;
                                         dy = -dy;
                                 }
                                 break;
-                       case 1:                                                         /* shuffle */
-                               dx = erandom(3);
-                               dy = erandom(3);
+                       case 1: /* shuffle */
+                               dx = erandom(sp, 3);
+                               dy = erandom(sp, 3);
                                 break;
                                 break;
-                       case 2:                                                         /* explode */
+                       case 2: /* explode */
                                 dx = x * 3;
                                 dy = y * 3;
                                 break;
                                 dx = x * 3;
                                 dy = y * 3;
                                 break;
@@ -251,38 +271,46 @@ draw_slip(ModeInfo * mi)
                         int         wrap;
  
                         if (qx < 0 || qy < 0 ||
                         int         wrap;
  
                         if (qx < 0 || qy < 0 ||
-                           qx >= s->width - s->blit_width ||
-                           qy >= s->height - s->blit_height)
+                           qx >= sp->width - sp->blit_width ||
+                           qy >= sp->height - sp->blit_height)
                                 continue;
  
                                 continue;
  
+/*-
+Seems to cause problems using Exceed
+with PseudoColor
+X Error of failed request:  BadGC (invalid GC parameter)
+with TrueColor
+X Error of failed request:  BadDrawable (invalid Pixmap or Window parameter)
+  Major opcode of failed request:  62 (X_CopyArea)
+ */
                         XCopyArea(display, window, window, gc, xi, yi,
                         XCopyArea(display, window, window, gc, xi, yi,
-                                 s->blit_width, s->blit_height,
+                                 sp->blit_width, sp->blit_height,
                                   qx, qy);
                                   qx, qy);
-
-                       switch (s->mode) {
+                       switch (sp->mode) {
                                 case 0:
                                         /* wrap */
                                 case 0:
                                         /* wrap */
-                                       wrap = s->width - (2 * s->blit_width);
-                                       if (qx > wrap)
+                                       wrap = sp->width - (2 * sp->blit_width);
+                                       if (qx > wrap ) {
                                                 XCopyArea(display, window, window, gc, qx, qy,
                                                 XCopyArea(display, window, window, gc, qx, qy,
-                                               s->blit_width, s->blit_height,
+                                               sp->blit_width, sp->blit_height,
                                                           qx - wrap, qy);
                                                           qx - wrap, qy);
-
-                                       if (qx < 2 * s->blit_width)
+                                       }
+                                       if (qx < 2 * sp->blit_width) {
                                                 XCopyArea(display, window, window, gc, qx, qy,
                                                 XCopyArea(display, window, window, gc, qx, qy,
-                                               s->blit_width, s->blit_height,
+                                               sp->blit_width, sp->blit_height,
                                                           qx + wrap, qy);
                                                           qx + wrap, qy);
-
-                                       wrap = s->height - (2 * s->blit_height);
-                                       if (qy > wrap)
+                                       }
+                                       wrap = sp->height - (2 * sp->blit_height);
+                                       if (qy > wrap) {
                                                 XCopyArea(display, window, window, gc, qx, qy,
                                                 XCopyArea(display, window, window, gc, qx, qy,
-                                               s->blit_width, s->blit_height,
+                                               sp->blit_width, sp->blit_height,
                                                           qx, qy - wrap);
                                                           qx, qy - wrap);
-
-                                       if (qy < 2 * s->blit_height)
+                                       }
+                                       if (qy < 2 * sp->blit_height) {
                                                 XCopyArea(display, window, window, gc, qx, qy,
                                                 XCopyArea(display, window, window, gc, qx, qy,
-                                               s->blit_width, s->blit_height,
+                                               sp->blit_width, sp->blit_height,
                                                           qx, qy + wrap);
                                                           qx, qy + wrap);
+                                       }
                                         break;
                                 case 1:
                                 case 2:
                                         break;
                                 case 1:
                                 case 2:
@@ -297,6 +325,8 @@ release_slip(ModeInfo * mi)
  {
         if (slips != NULL) {
                 (void) free((void *) slips);
  {
         if (slips != NULL) {
                 (void) free((void *) slips);
-               slips = NULL;
+               slips = (slipstruct *) NULL;
         }
  }
         }
  }
+
+#endif /* MODE_slip */
diff --git a/hacks/sonar.c b/hacks/sonar.c

index 1988821bd3612c32dc99aceef288711daeba2d32..3a3e6ce883e243eae5a35a9a231b356412cd8c97 100644 (file)
--- a/hacks/sonar.c
+++ b/hacks/sonar.c
@@ -38,7 +38,7 @@
   * software for any purpose.  It is provided "as is" without express or 
   * implied warranty.
   *
   * software for any purpose.  It is provided "as is" without express or 
   * implied warranty.
   *
- * $Revision: 1.20 $
+ * $Revision: 1.21 $
   *
   * Version 1.0 April 27, 1998.
   * - Initial version
   *
   * Version 1.0 April 27, 1998.
   * - Initial version
@@ -1153,7 +1153,12 @@ getping(sonar_info *si, ping_info *pi)
      while (! timer_expired) {
        tv.tv_usec=pi->timeout;
        tv.tv_sec=0;
      while (! timer_expired) {
        tv.tv_usec=pi->timeout;
        tv.tv_sec=0;
+#if 0
+      /* This breaks on BSD, which uses bzero() in the definition of FD_ZERO */
        FD_ZERO(&rfds);
        FD_ZERO(&rfds);
+#else
+      memset (&rfds, 0, sizeof(rfds));
+#endif
        FD_SET(pi->icmpsock,&rfds);
        /* only wait a little while, in case we raced with the timer expiration.
           From Valentijn Sessink <valentyn@openoffice.nl> */
        FD_SET(pi->icmpsock,&rfds);
        /* only wait a little while, in case we raced with the timer expiration.
           From Valentijn Sessink <valentyn@openoffice.nl> */
diff --git a/hacks/sphere.c b/hacks/sphere.c

index e0a81e3a197e8ef1fd0ef9d813bef2406599b054..c8ca46caa7ee1092cc4ab9c633c52a3d7f3a3535 100644 (file)
--- a/hacks/sphere.c
+++ b/hacks/sphere.c
@@ -1,11 +1,39 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * sphere.c --- draw a bunch of shaded spheres
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* sphere --- a bunch of shaded spheres */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)sphere.c     4.00 97/01/01 xlockmore";
+static const char sccsid[] = "@(#)sphere.c     5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright 1988 by Sun Microsystems, Inc. Mountain View, CA.
+/*-
+ * Copyright (c) 1988 by Sun Microsystems
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * Revision History:
+ * 01-Nov-2000: Allocation checks
+ * 30-May-1997: <jwz@jwz.org> made it go vertically as well as horizontally.
+ * 27-May-1997: <jwz@jwz.org> turned into a standalone program.
+ * 02-Sep-1993: xlock version David Bagley <bagleyd@tux.org>
+ * 1988: Revised to use SunView canvas instead of gfxsw Sun Microsystems
+ * 1982: Orignal Algorithm Tom Duff Lucasfilm Ltd.
+ */
+
+/*-
+ * original copyright
+ * **************************************************************************
+ * Copyright 1988 by Sun Microsystems, Inc. Mountain View, CA.
   *
   * All Rights Reserved
   *
   *
   * All Rights Reserved
   *
@@ -27,30 +55,37 @@ static const char sccsid[] = "@(#)sphere.c  4.00 97/01/01 xlockmore";
   * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
   * SOFTWARE.
   * ***************************************************************************
   * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
   * SOFTWARE.
   * ***************************************************************************
- *
- * Revision History:
- * 30-May-97: jwz@jwz.org: made it go vertically as well as horizontally.
- * 27-May-97: jwz@jwz.org: turned into a standalone program.
- * 2-Sep-93: xlock version (David Bagley bagleyd@bigfoot.com)
- * 1988: Revised to use SunView canvas instead of gfxsw Sun Microsystems
- * 1982: Orignal Algorithm  Tom Duff  Lucasfilm Ltd.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Sphere"
-# define HACK_INIT                                     init_sphere
-# define HACK_DRAW                                     draw_sphere
-# define sphere_opts                           xlockmore_opts
-# define DEFAULTS      "*delay:                1000    \n"                     \
-                                       "*ncolors:              64      \n"
-# define BRIGHT_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
+#define MODE_sphere
+#define PROGCLASS "Sphere"
+#define HACK_INIT init_sphere
+#define HACK_DRAW draw_sphere
+#define sphere_opts xlockmore_opts
+#define DEFAULTS "*delay: 1000 \n" \
+ "*cycles: 20 \n" \
+ "*size: 0 \n" \
+ "*ncolors: 64 \n"
+#define BRIGHT_COLORS
+#include "xlockmore.h"         /* from the xscreensaver distribution */
+#else /* !STANDALONE */
+#include "xlock.h"             /* from the xlockmore distribution */
  #endif /* !STANDALONE */
  
  #endif /* !STANDALONE */
  
-ModeSpecOpt sphere_opts = {
-  0, NULL, 0, NULL, NULL };
+#ifdef MODE_sphere
+
+ModeSpecOpt sphere_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   sphere_description =
+{"sphere", "init_sphere", "draw_sphere", "release_sphere",
+ "refresh_sphere", "init_sphere", (char *) NULL, &sphere_opts,
+ 5000, 1, 20, 0, 64, 1.0, "",
+ "Shows a bunch of shaded spheres", 0, NULL};
+
+#endif
  
  /*-
   * (NX, NY, NZ) is the light source vector -- length should be 100
  
  /*-
   * (NX, NY, NZ) is the light source vector -- length should be 100
@@ -69,11 +104,12 @@ typedef struct {
         int         color;
         int         x, y;
         int         dirx, diry;
         int         color;
         int         x, y;
         int         dirx, diry;
+       int         shadowx, shadowy;
         int         maxx, maxy;
         XPoint     *points;
  } spherestruct;
  
         int         maxx, maxy;
         XPoint     *points;
  } spherestruct;
  
-static spherestruct *spheres = NULL;
+static spherestruct *spheres = (spherestruct *) NULL;
  
  void
  init_sphere(ModeInfo * mi)
  
  void
  init_sphere(ModeInfo * mi)
@@ -87,17 +123,23 @@ init_sphere(ModeInfo * mi)
         }
         sp = &spheres[MI_SCREEN(mi)];
  
         }
         sp = &spheres[MI_SCREEN(mi)];
  
-       if (sp->points) {
+       if (sp->points != NULL) {
                 (void) free((void *) sp->points);
                 (void) free((void *) sp->points);
-               sp->points = NULL;
+               sp->points = (XPoint *) NULL;
+       }
+       sp->width = MAX(MI_WIDTH(mi), 4);
+       sp->height = MAX(MI_HEIGHT(mi), 4);
+       if ((sp->points = (XPoint *) malloc(MIN(sp->width, sp->height) *
+                        sizeof (XPoint))) == NULL) {
+               return;
         }
         }
-       sp->width = MI_WIN_WIDTH(mi);
-       sp->height = MI_WIN_HEIGHT(mi);
-       sp->points = (XPoint *) malloc(sp->height * sizeof (XPoint));
  
  
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       MI_CLEARWINDOW(mi);
  
         sp->dirx = 1;
  
         sp->dirx = 1;
+       sp->x = sp->radius;
+       sp->shadowx = (LRAND() & 1) ? 1 : -1;
+       sp->shadowy = (LRAND() & 1) ? 1 : -1;
  }
  
  void
  }
  
  void
@@ -105,19 +147,27 @@ draw_sphere(ModeInfo * mi)
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
-       spherestruct *sp = &spheres[MI_SCREEN(mi)];
-       int         minx = 0, maxx = 0, miny = 0, maxy = 0, npts = 0;
+       int         sqrd, nd;
+       register int minx = 0, maxx = 0, miny = 0, maxy = 0, npts = 0;
+       spherestruct *sp;
  
  
+       if (spheres == NULL)
+               return;
+       sp = &spheres[MI_SCREEN(mi)];
+       if (sp->points == NULL)
+               return;
+
+       MI_IS_DRAWN(mi) = True;
         if ((sp->dirx && ABS(sp->x) >= sp->radius) ||
             (sp->diry && ABS(sp->y) >= sp->radius)) {
                 sp->radius = NRAND(MIN(sp->width / 2, sp->height / 2) - 1) + 1;
  
                 if (LRAND() & 1) {
         if ((sp->dirx && ABS(sp->x) >= sp->radius) ||
             (sp->diry && ABS(sp->y) >= sp->radius)) {
                 sp->radius = NRAND(MIN(sp->width / 2, sp->height / 2) - 1) + 1;
  
                 if (LRAND() & 1) {
-                       sp->dirx = (LRAND() & 1) * 2 - 1;
+                       sp->dirx = (int) (LRAND() & 1) * 2 - 1;
                         sp->diry = 0;
                 } else {
                         sp->dirx = 0;
                         sp->diry = 0;
                 } else {
                         sp->dirx = 0;
-                       sp->diry = (LRAND() & 1) * 2 - 1;
+                       sp->diry = (int) (LRAND() & 1) * 2 - 1;
                 }
                 sp->x0 = NRAND(sp->width);
                 sp->y0 = NRAND(sp->height);
                 }
                 sp->x0 = NRAND(sp->width);
                 sp->y0 = NRAND(sp->height);
@@ -164,7 +214,7 @@ draw_sphere(ModeInfo * mi)
                 if (sp->x0 + sp->maxx >= sp->width)
                         maxx = sp->width - sp->x0;
         }
                 if (sp->x0 + sp->maxx >= sp->width)
                         maxx = sp->width - sp->x0;
         }
-       XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+       XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
  
         if (sp->dirx)
                 XDrawLine(display, MI_WINDOW(mi), gc,
  
         if (sp->dirx)
                 XDrawLine(display, MI_WINDOW(mi), gc,
@@ -176,26 +226,30 @@ draw_sphere(ModeInfo * mi)
         if (MI_NPIXELS(mi) > 2)
                 XSetForeground(display, gc, MI_PIXEL(mi, sp->color));
         else
         if (MI_NPIXELS(mi) > 2)
                 XSetForeground(display, gc, MI_PIXEL(mi, sp->color));
         else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
  
  
-       if (sp->dirx)
+       if (sp->dirx) {
+               sqrd = sp->radius * sp->radius - sp->x * sp->x;
+               nd = NX * sp->shadowx * sp->x;
                 for (sp->y = miny; sp->y <= maxy; sp->y++)
                 for (sp->y = miny; sp->y <= maxy; sp->y++)
-                       if ((NRAND(sp->radius * NR)) <=
-                           (NX * sp->x + NY * sp->y + NZ *
-                            SQRT(sp->radius * sp->radius - sp->x * sp->x - sp->y * sp->y))) {
+                       if ((NRAND(sp->radius * NR)) <= nd + NY * sp->shadowy * sp->y +
+                           NZ * SQRT(sqrd - sp->y * sp->y)) {
                                 sp->points[npts].x = sp->x + sp->x0;
                                 sp->points[npts].y = sp->y + sp->y0;
                                 npts++;
                         }
                                 sp->points[npts].x = sp->x + sp->x0;
                                 sp->points[npts].y = sp->y + sp->y0;
                                 npts++;
                         }
-       if (sp->diry)
+       }
+       if (sp->diry) {
+               sqrd = sp->radius * sp->radius - sp->y * sp->y;
+               nd = NY * sp->shadowy * sp->y;
                 for (sp->x = minx; sp->x <= maxx; sp->x++)
                 for (sp->x = minx; sp->x <= maxx; sp->x++)
-                       if ((NRAND(sp->radius * NR)) <=
-                           (NX * sp->x + NY * sp->y + NZ *
-                            SQRT(sp->radius * sp->radius - sp->x * sp->x - sp->y * sp->y))) {
+                       if ((NRAND(sp->radius * NR)) <= NX * sp->shadowx * sp->x + nd +
+                           NZ * SQRT(sqrd - sp->x * sp->x)) {
                                 sp->points[npts].x = sp->x + sp->x0;
                                 sp->points[npts].y = sp->y + sp->y0;
                                 npts++;
                         }
                                 sp->points[npts].x = sp->x + sp->x0;
                                 sp->points[npts].y = sp->y + sp->y0;
                                 npts++;
                         }
+       }
         XDrawPoints(display, MI_WINDOW(mi), gc, sp->points, npts, CoordModeOrigin);
         if (sp->dirx == 1) {
                 sp->x++;
         XDrawPoints(display, MI_WINDOW(mi), gc, sp->points, npts, CoordModeOrigin);
         if (sp->dirx == 1) {
                 sp->x++;
@@ -228,19 +282,26 @@ release_sphere(ModeInfo * mi)
  
                         if (sp->points) {
                                 (void) free((void *) sp->points);
  
                         if (sp->points) {
                                 (void) free((void *) sp->points);
-                               sp->points = NULL;
+                               /* sp->points = NULL; */
                         }
                 }
                 (void) free((void *) spheres);
                         }
                 }
                 (void) free((void *) spheres);
-               spheres = NULL;
+               spheres = (spherestruct *) NULL;
         }
  }
  
  void
  refresh_sphere(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_sphere(ModeInfo * mi)
  {
-       spherestruct *sp = &spheres[MI_SCREEN(mi)];
+       spherestruct *sp;
+
+       if (spheres == NULL)
+               return;
+       sp = &spheres[MI_SCREEN(mi)];
+
+       MI_CLEARWINDOW(mi);
  
  
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
         sp->x = -sp->radius;
  }
         sp->x = -sp->radius;
  }
+
+#endif /* MODE_sphere */
diff --git a/hacks/spiral.c b/hacks/spiral.c

index 10d319a647fc29ac0f2df11f91e1b71c26641a12..214cbfbbaa524d1b80ff6c5c786b70b9cbb128e9 100644 (file)
--- a/hacks/spiral.c
+++ b/hacks/spiral.c
@@ -1,11 +1,13 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * spiral --- low cpu screen design.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* spiral --- spiraling dots */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)spiral.c     4.00 97/01/01 xlockmore";
+static const char sccsid[] = "@(#)spiral.c     5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1994 Darrick Brown.
+/*-
+ * Copyright (c) 1994 by Darrick Brown.
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -19,38 +21,48 @@ static const char sccsid[] = "@(#)spiral.c  4.00 97/01/01 xlockmore";
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
   * event will the author be liable for any lost revenue or profits or
   * other special, indirect and consequential damages.
   *
- * Idea based on a graphics demo I saw a *LONG* time ago.
- *
- * See xlock.c for copying information.
- *
   * Revision History:
   * Revision History:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- * 24-Jul-95: Fix to allow cycles not to have an arbitrary value by
- *            Peter Schmitzberger (schmitz@coma.sbg.ac.at).
- * 06-Mar-95: Finished cleaning up and final testing.
- * Copyright (c) 1994 by Darrick Brown.
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: jwz@jwz.org: turned into a standalone program.
+ * 24-Jul-1995: Fix to allow cycles not to have an arbitrary value by
+ *              Peter Schmitzberger (schmitz@coma.sbg.ac.at).
+ * 06-Mar-1995: Finished cleaning up and final testing.
+ * 03-Mar-1995: Cleaned up code.
+ * 12-Jul-1994: Written.
   *
   *
- * 03-Mar-95: Cleaned up code.
- * 12-Jul-94: Written.
+ * Low CPU usage mode.
+ * Idea based on a graphics demo I saw a *LONG* time ago.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Spiral"
-# define HACK_INIT                                     init_spiral
-# define HACK_DRAW                                     draw_spiral
-# define spiral_opts                           xlockmore_opts
-# define DEFAULTS      "*count:                40    \n"                       \
-                                       "*cycles:               350   \n"                       \
-                                       "*delay:                50000 \n"                       \
-                                       "*ncolors:              64   \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
+#define MODE_spiral
+#define PROGCLASS "Spiral"
+#define HACK_INIT init_spiral
+#define HACK_DRAW draw_spiral
+#define spiral_opts xlockmore_opts
+#define DEFAULTS "*delay: 50000 \n" \
+ "*count: 40 \n" \
+ "*cycles: 350 \n" \
+ "*ncolors: 64 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* from the xscreensaver distribution */
+#else /* !STANDALONE */
+#include "xlock.h"             /* from the xlockmore distribution */
  #endif /* !STANDALONE */
  
  #endif /* !STANDALONE */
  
-ModeSpecOpt spiral_opts = {
-  0, NULL, 0, NULL, NULL };
+#ifdef MODE_spiral
+
+ModeSpecOpt spiral_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   spiral_description =
+{"spiral", "init_spiral", "draw_spiral", "release_spiral",
+ "refresh_spiral", "init_spiral", (char *) NULL, &spiral_opts,
+ 5000, -40, 350, 1, 64, 1.0, "",
+ "Shows a helical locus of points", 0, NULL};
+
+#endif
  
  #define MAXTRAIL 512           /* The length of the trail */
  #define MAXDOTS 40
  
  #define MAXTRAIL 512           /* The length of the trail */
  #define MAXDOTS 40
@@ -62,6 +74,7 @@ ModeSpecOpt spiral_opts = {
  /* How many segments to draw per cycle when redrawing */
  #define REDRAWSTEP 3
  
  /* How many segments to draw per cycle when redrawing */
  #define REDRAWSTEP 3
  
+
  typedef struct {
         float       hx, hy, ha, hr;
  } Traildots;
  typedef struct {
         float       hx, hy, ha, hr;
  } Traildots;
@@ -82,7 +95,7 @@ typedef struct {
         int         redrawing, redrawpos;
  } spiralstruct;
  
         int         redrawing, redrawpos;
  } spiralstruct;
  
-static spiralstruct *spirals = NULL;
+static spiralstruct *spirals = (spiralstruct *) NULL;
  
  static void draw_dots(ModeInfo * mi, int in);
  
  
  static void draw_dots(ModeInfo * mi, int in);
  
@@ -122,16 +135,19 @@ init_spiral(ModeInfo * mi)
         }
         sp = &spirals[MI_SCREEN(mi)];
  
         }
         sp = &spirals[MI_SCREEN(mi)];
  
-       sp->width = MI_WIN_WIDTH(mi);
-       sp->height = MI_WIN_HEIGHT(mi);
+       sp->width = MI_WIDTH(mi);
+       sp->height = MI_HEIGHT(mi);
  
  
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
+       MI_CLEARWINDOW(mi);
  
         /* Init */
         sp->nlength = MI_CYCLES(mi);
  
         if (!sp->traildots)
  
         /* Init */
         sp->nlength = MI_CYCLES(mi);
  
         if (!sp->traildots)
-               sp->traildots = (Traildots *) malloc(sp->nlength * sizeof (Traildots));
+               if ((sp->traildots = (Traildots *) malloc(sp->nlength *
+                               sizeof (Traildots))) == NULL) {
+                       return;
+               }
  
         /* initialize the allocated array */
         for (i = 0; i < sp->nlength; i++) {
  
         /* initialize the allocated array */
         for (i = 0; i < sp->nlength; i++) {
@@ -167,7 +183,7 @@ init_spiral(ModeInfo * mi)
         sp->traildots[sp->inc].hr = sp->radius;
         sp->inc++;
  
         sp->traildots[sp->inc].hr = sp->radius;
         sp->inc++;
  
-       sp->dots = MI_BATCHCOUNT(mi);
+       sp->dots = MI_COUNT(mi);
         if (sp->dots < -MINDOTS)
                 sp->dots = NRAND(sp->dots - MINDOTS + 1) + MINDOTS;
         /* Absolute minimum */
         if (sp->dots < -MINDOTS)
                 sp->dots = NRAND(sp->dots - MINDOTS + 1) + MINDOTS;
         /* Absolute minimum */
@@ -180,11 +196,18 @@ draw_spiral(ModeInfo * mi)
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
  {
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
-       spiralstruct *sp = &spirals[MI_SCREEN(mi)];
         int         i, j;
         int         i, j;
+       spiralstruct *sp;
+
+       if (spirals == NULL)
+               return;
+       sp = &spirals[MI_SCREEN(mi)];
+       if (sp->traildots == NULL)
+               return;
  
  
+       MI_IS_DRAWN(mi) = True;
         if (sp->erase == 1) {
         if (sp->erase == 1) {
-               XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+               XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
                 draw_dots(mi, sp->inc);
         }
         sp->cx += sp->dx;
                 draw_dots(mi, sp->inc);
         }
         sp->cx += sp->dx;
@@ -252,7 +275,7 @@ draw_spiral(ModeInfo * mi)
         if (MI_NPIXELS(mi) > 2)
                 XSetForeground(display, gc, MI_PIXEL(mi, (int) sp->colors));
         else
         if (MI_NPIXELS(mi) > 2)
                 XSetForeground(display, gc, MI_PIXEL(mi, (int) sp->colors));
         else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         draw_dots(mi, sp->inc);
         sp->inc++;
  
         draw_dots(mi, sp->inc);
         sp->inc++;
  
@@ -286,15 +309,22 @@ release_spiral(ModeInfo * mi)
                                 (void) free((void *) sp->traildots);
                 }
                 (void) free((void *) spirals);
                                 (void) free((void *) sp->traildots);
                 }
                 (void) free((void *) spirals);
-               spirals = NULL;
+               spirals = (spiralstruct *) NULL;
         }
  }
  
  void
  refresh_spiral(ModeInfo * mi)
  {
         }
  }
  
  void
  refresh_spiral(ModeInfo * mi)
  {
-       spiralstruct *sp = &spirals[MI_SCREEN(mi)];
+       spiralstruct *sp;
  
  
+       if (spirals == NULL)
+               return;
+       sp = &spirals[MI_SCREEN(mi)];
+
+       MI_CLEARWINDOW(mi);
         sp->redrawing = 1;
         sp->redrawpos = 0;
  }
         sp->redrawing = 1;
         sp->redrawpos = 0;
  }
+
+#endif /* MODE_spiral */
diff --git a/hacks/spotlight.c b/hacks/spotlight.c

index 209a67c80351a7d6b5500d41db0597116342b87d..71c190d4ff1c193000b07aff77d6a688bed4d013 100644 (file)
--- a/hacks/spotlight.c
+++ b/hacks/spotlight.c
@@ -217,6 +217,8 @@ onestep (Display *dpy, Window window)
  char *progclass = "Spotlight";
  
  char *defaults [] = {
  char *progclass = "Spotlight";
  
  char *defaults [] = {
+  ".background:                        black",
+  ".foreground:                        white",
    "*dontClearRoot:             True",
  
  #ifdef __sgi   /* really, HAVE_READ_DISPLAY_EXTENSION */
    "*dontClearRoot:             True",
  
  #ifdef __sgi   /* really, HAVE_READ_DISPLAY_EXTENSION */
diff --git a/hacks/starfish.c b/hacks/starfish.c

index 070c034109a1d3ec901c18ae0fb2a71c9555a3f2..c0cf075717ad3609b2f676c3b8dc403550090e25 100644 (file)
--- a/hacks/starfish.c
+++ b/hacks/starfish.c
@@ -10,6 +10,7 @@
   */
  
  #include <math.h>
   */
  
  #include <math.h>
+#include <time.h>
  #include <sys/time.h> /* for gettimeofday() */
  #include "screenhack.h"
  #include "spline.h"
  #include <sys/time.h> /* for gettimeofday() */
  #include "screenhack.h"
  #include "spline.h"
diff --git a/hacks/strange.c b/hacks/strange.c

index a1bda34f70ad7ef277fc405f86b84e81d74164c4..f8f88a663c4ab5fe95e6509fd42422a15d37d1f8 100644 (file)
--- a/hacks/strange.c
+++ b/hacks/strange.c
@@ -1,11 +1,13 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * strange --- Strange attractors are not so hard to find...
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* strange --- strange attractors */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)strange.c       4.02 97/04/01 xlockmore";
+static const char sccsid[] = "@(#)strange.c    5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* Copyright (c) 1997 by Massimino Pascal (Pascal.Massimon@ens.fr)
+/*-
+ * Copyright (c) 1997 by Massimino Pascal <Pascal.Massimon@ens.fr>
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
   *
   * Permission to use, copy, modify, and distribute this software and its
   * documentation for any purpose and without fee is hereby granted,
@@ -20,28 +22,41 @@ static const char sccsid[] = "@(#)strange.c    4.02 97/04/01 xlockmore";
   * other special, indirect and consequential damages.
   *
   * Revision History:
   * other special, indirect and consequential damages.
   *
   * Revision History:
- * 30-Jul-98: sineswiper@resonatorsoft.com: added curve factor (discovered
- *         while experimenting with the Gauss_Rand function).
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- *                       Made it render into an offscreen bitmap and then copy
- *                       that onto the screen, to reduce flicker.
+ * 01-Nov-2000: Allocation checks
+ * 10-May-1997: jwz@jwz.org: turned into a standalone program.
+ *              Made it render into an offscreen bitmap and then copy
+ *              that onto the screen, to reduce flicker.
+ *
+ * strange attractors are not so hard to find...
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Strange"
-# define HACK_INIT                                     init_strange
-# define HACK_DRAW                                     draw_strange
-# define strange_opts                          xlockmore_opts
-# define DEFAULTS      "*delay:                2000  \n"                       \
-                                       "*ncolors:              100   \n"
-# define SMOOTH_COLORS
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
+#define MODE_strange
+#define PROGCLASS "Strange"
+#define HACK_INIT init_strange
+#define HACK_DRAW draw_strange
+#define strange_opts xlockmore_opts
+#define DEFAULTS "*delay: 2000 \n" \
+ "*ncolors: 100 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* from the xscreensaver distribution */
+#else /* !STANDALONE */
+#include "xlock.h"             /* from the xlockmore distribution */
  #endif /* !STANDALONE */
  
  #endif /* !STANDALONE */
  
-/*****************************************************/
-/*****************************************************/
+#ifdef MODE_strange
+
+ModeSpecOpt strange_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   strange_description =
+{"strange", "init_strange", "draw_strange", "release_strange",
+ "init_strange", "init_strange", (char *) NULL, &strange_opts,
+ 1000, 1, 1, 1, 64, 1.0, "",
+ "Shows strange attractors", 0, NULL};
+
+#endif
  
  typedef float DBL;
  typedef int PRM;
  
  typedef float DBL;
  typedef int PRM;
@@ -55,52 +70,33 @@ typedef int PRM;
  #define DBL_To_PRM(x)  (PRM)( (DBL)(UNIT)*(x) )
  
  
  #define DBL_To_PRM(x)  (PRM)( (DBL)(UNIT)*(x) )
  
  
-#define DO_FOLD(a) (a)<0 ? -Fold[ (-(a))&(UNIT2-1) ] : Fold[ (a)&(UNIT2-1) ]
+#define DO_FOLD(a) (a)<0 ? -A->Fold[ (-(a))&(UNIT2-1) ] : A->Fold[ (a)&(UNIT2-1) ]
  
  
-/* 
-   #define DO_FOLD(a) (a)<-UNIT2 ? -Fold[(-(a))%UNIT2] : (a)<0 ? -Fold[ -(a) ] 
-
-   :  \ (a)>UNIT2 ? Fold[ (a)%UNIT2 ] : Fold[ (a) ] */
-/* #define DO_FOLD(a) DBL_To_PRM( sin( (DBL)(a)/UNIT ) ) */
-/* 
-   #define DO_FOLD(a) (a)<0 ? DBL_To_PRM( exp( 16.0*(a)/UNIT2 ) )-1.0 : \
-   DBL_To_PRM( 1.0-exp( -16.0*(a)/UNIT2 ) ) */
+#if 0
+#define DO_FOLD(a) (a)<-UNIT2 ? -A->Fold[(-(a))%UNIT2] : (a)<0 ? -A->Fold[ -(a) ] :\
+(a)>UNIT2 ? A->Fold[ (a)%UNIT2 ] : A->Fold[ (a) ]
+#define DO_FOLD(a) DBL_To_PRM( sin( (DBL)(a)/UNIT ) )
+#define DO_FOLD(a) (a)<0 ? DBL_To_PRM( exp( 16.0*(a)/UNIT2 ) )-1.0 : \
+DBL_To_PRM( 1.0-exp( -16.0*(a)/UNIT2 ) )
+#endif
  
  /******************************************************************/
  
  #define MAX_PRM 3*5
  
  
  /******************************************************************/
  
  #define MAX_PRM 3*5
  
-typedef struct {
+typedef struct _ATTRACTOR {
         DBL         Prm1[MAX_PRM], Prm2[MAX_PRM];
         DBL         Prm1[MAX_PRM], Prm2[MAX_PRM];
-       void        (*Iterate) (PRM, PRM, PRM *, PRM *);
+       PRM         Prm[MAX_PRM], *Fold;
+       void        (*Iterate) (struct _ATTRACTOR *, PRM, PRM, PRM *, PRM *);
         XPoint     *Buffer1, *Buffer2;
         int         Cur_Pt, Max_Pt;
         int         Col, Count, Speed;
         int         Width, Height;
         XPoint     *Buffer1, *Buffer2;
         int         Cur_Pt, Max_Pt;
         int         Col, Count, Speed;
         int         Width, Height;
-    Pixmap      dbuf;  /* jwz */
-    GC          dbuf_gc;
+       Pixmap      dbuf;       /* jwz */
+       GC          dbuf_gc;
  } ATTRACTOR;
  
  } ATTRACTOR;
  
-static ATTRACTOR *Root;
-static PRM  xmin, xmax, ymin, ymax;
-static PRM  Prm[MAX_PRM];
-static PRM *Fold = NULL;
-
-static int curve;
-
-static XrmOptionDescRec opts[] =
-{
-       {"-curve", ".strange.curve", XrmoptionSepArg, (caddr_t) "10"},
-};
-static OptionStruct desc[] =
-{
-       {"-curve", "set the curve factor of the attractors"},
-};
-
-ModeSpecOpt strange_opts = { 1, opts, 0, NULL, desc };
-
-/******************************************************************/
-/******************************************************************/
+static ATTRACTOR *Root = (ATTRACTOR *) NULL; 
  
  static DBL  Amp_Prm[MAX_PRM] =
  {
  
  static DBL  Amp_Prm[MAX_PRM] =
  {
@@ -118,11 +114,10 @@ static DBL  Mid_Prm[MAX_PRM] =
  static      DBL
  Gauss_Rand(DBL c, DBL A, DBL S)
  {
  static      DBL
  Gauss_Rand(DBL c, DBL A, DBL S)
  {
-       DBL         y,z;
+       DBL         y;
  
         y = (DBL) LRAND() / MAXRAND;
  
         y = (DBL) LRAND() / MAXRAND;
-       z = curve / 10;
-       y = A * (z - exp(-y * y * S)) / (z - exp(-S));
+       y = A * (1.0 - exp(-y * y * S)) / (1.0 - exp(-S));
         if (NRAND(2))
                 return (c + y);
         else
         if (NRAND(2))
                 return (c + y);
         else
@@ -143,7 +138,7 @@ Random_Prm(DBL * Prm)
     /* 2 examples of non-linear map */
  
  static void
     /* 2 examples of non-linear map */
  
  static void
-Iterate_X2(PRM x, PRM y, PRM * xo, PRM * yo)
+Iterate_X2(ATTRACTOR * A, PRM x, PRM y, PRM * xo, PRM * yo)
  {
         PRM         xx, yy, xy, x2y, y2x, Tmp;
  
  {
         PRM         xx, yy, xy, x2y, y2x, Tmp;
  
@@ -153,16 +148,16 @@ Iterate_X2(PRM x, PRM y, PRM * xo, PRM * yo)
         y2x = (yy * x) / UNIT;
         xy = (x * y) / UNIT;
  
         y2x = (yy * x) / UNIT;
         xy = (x * y) / UNIT;
  
-       Tmp = Prm[1] * xx + Prm[2] * xy + Prm[3] * yy + Prm[4] * x2y;
-       Tmp = Prm[0] - y + (Tmp / UNIT);
+       Tmp = A->Prm[1] * xx + A->Prm[2] * xy + A->Prm[3] * yy + A->Prm[4] * x2y;
+       Tmp = A->Prm[0] - y + (Tmp / UNIT);
         *xo = DO_FOLD(Tmp);
         *xo = DO_FOLD(Tmp);
-       Tmp = Prm[6] * xx + Prm[7] * xy + Prm[8] * yy + Prm[9] * y2x;
-       Tmp = Prm[5] + x + (Tmp / UNIT);
+       Tmp = A->Prm[6] * xx + A->Prm[7] * xy + A->Prm[8] * yy + A->Prm[9] * y2x;
+       Tmp = A->Prm[5] + x + (Tmp / UNIT);
         *yo = DO_FOLD(Tmp);
  }
  
  static void
         *yo = DO_FOLD(Tmp);
  }
  
  static void
-Iterate_X3(PRM x, PRM y, PRM * xo, PRM * yo)
+Iterate_X3(ATTRACTOR * A, PRM x, PRM y, PRM * xo, PRM * yo)
  {
         PRM         xx, yy, xy, x2y, y2x, Tmp_x, Tmp_y, Tmp_z;
  
  {
         PRM         xx, yy, xy, x2y, y2x, Tmp_x, Tmp_y, Tmp_z;
  
@@ -172,60 +167,85 @@ Iterate_X3(PRM x, PRM y, PRM * xo, PRM * yo)
         y2x = (yy * x) / UNIT;
         xy = (x * y) / UNIT;
  
         y2x = (yy * x) / UNIT;
         xy = (x * y) / UNIT;
  
-       Tmp_x = Prm[1] * xx + Prm[2] * xy + Prm[3] * yy + Prm[4] * x2y;
-       Tmp_x = Prm[0] - y + (Tmp_x / UNIT);
+       Tmp_x = A->Prm[1] * xx + A->Prm[2] * xy + A->Prm[3] * yy + A->Prm[4] * x2y;
+       Tmp_x = A->Prm[0] - y + (Tmp_x / UNIT);
         Tmp_x = DO_FOLD(Tmp_x);
  
         Tmp_x = DO_FOLD(Tmp_x);
  
-       Tmp_y = Prm[6] * xx + Prm[7] * xy + Prm[8] * yy + Prm[9] * y2x;
-       Tmp_y = Prm[5] + x + (Tmp_y / UNIT);
+       Tmp_y = A->Prm[6] * xx + A->Prm[7] * xy + A->Prm[8] * yy + A->Prm[9] * y2x;
+       Tmp_y = A->Prm[5] + x + (Tmp_y / UNIT);
  
         Tmp_y = DO_FOLD(Tmp_y);
  
  
         Tmp_y = DO_FOLD(Tmp_y);
  
-       Tmp_z = Prm[11] * xx + Prm[12] * xy + Prm[13] * yy + Prm[14] * y2x;
-       Tmp_z = Prm[10] + x + (Tmp_z / UNIT);
+       Tmp_z = A->Prm[11] * xx + A->Prm[12] * xy + A->Prm[13] * yy + A->Prm[14] * y2x;
+       Tmp_z = A->Prm[10] + x + (Tmp_z / UNIT);
         Tmp_z = UNIT + Tmp_z * Tmp_z / UNIT;
  
         *xo = (Tmp_x * UNIT) / Tmp_z;
         *yo = (Tmp_y * UNIT) / Tmp_z;
  }
  
         Tmp_z = UNIT + Tmp_z * Tmp_z / UNIT;
  
         *xo = (Tmp_x * UNIT) / Tmp_z;
         *yo = (Tmp_y * UNIT) / Tmp_z;
  }
  
-static void (*Funcs[2]) (PRM, PRM, PRM *, PRM *) = {
+static void (*Funcs[2]) (ATTRACTOR *, PRM, PRM, PRM *, PRM *) = {
         Iterate_X2, Iterate_X3
  };
  
  /***************************************************************/
  
         Iterate_X2, Iterate_X3
  };
  
  /***************************************************************/
  
+static void
+free_strange(Display *display, ATTRACTOR *A)
+{
+       if (A->Buffer1 != NULL) {
+               (void) free((void *) A->Buffer1);
+               A->Buffer1 = (XPoint *) NULL;
+       }
+       if (A->Buffer2 != NULL) {
+               (void) free((void *) A->Buffer2);
+               A->Buffer2 = (XPoint *) NULL;
+       }
+       if (A->dbuf) {
+               XFreePixmap(display, A->dbuf);
+               A->dbuf = None;
+       }
+       if (A->dbuf_gc) {
+               XFreeGC(display, A->dbuf_gc);
+               A->dbuf_gc = None;
+       }
+       if (A->Fold != NULL) {
+               (void) free((void *) A->Fold);
+               A->Fold = (PRM *) NULL;
+       }
+}
+
  void
  draw_strange(ModeInfo * mi)
  {
  void
  draw_strange(ModeInfo * mi)
  {
-       int         i, j, n, Max_Colors, Cur_Pt;
+       int         i, j, n, Cur_Pt;
         PRM         x, y, xo, yo;
         DBL         u;
         PRM         x, y, xo, yo;
         DBL         u;
-       ATTRACTOR  *A;
         XPoint     *Buf;
         XPoint     *Buf;
-       Display    *display;
-       GC          gc;
-       Window      window;
+       Display    *display = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
+       GC          gc = MI_GC(mi);
         DBL         Lx, Ly;
         DBL         Lx, Ly;
-       void        (*Iterate) (PRM, PRM, PRM *, PRM *);
-
-       display = MI_DISPLAY(mi);
-       window = MI_WINDOW(mi);
-       gc = MI_GC(mi);
-       Max_Colors = MI_NPIXELS(mi);
+       void        (*Iterate) (ATTRACTOR *, PRM, PRM, PRM *, PRM *);
+       PRM         xmin, xmax, ymin, ymax;
+       ATTRACTOR  *A;
  
  
+       if (Root == NULL)
+               return;
         A = &Root[MI_SCREEN(mi)];
         A = &Root[MI_SCREEN(mi)];
+       if (A->Fold == NULL)
+               return;
  
         Cur_Pt = A->Cur_Pt;
         Iterate = A->Iterate;
  
         u = (DBL) (A->Count) / 1000.0;
         for (j = MAX_PRM - 1; j >= 0; --j)
  
         Cur_Pt = A->Cur_Pt;
         Iterate = A->Iterate;
  
         u = (DBL) (A->Count) / 1000.0;
         for (j = MAX_PRM - 1; j >= 0; --j)
-               Prm[j] = DBL_To_PRM((1.0 - u) * A->Prm1[j] + u * A->Prm2[j]);
+               A->Prm[j] = DBL_To_PRM((1.0 - u) * A->Prm1[j] + u * A->Prm2[j]);
  
         x = y = DBL_To_PRM(.0);
         for (n = SKIP_FIRST; n; --n) {
  
         x = y = DBL_To_PRM(.0);
         for (n = SKIP_FIRST; n; --n) {
-               (*Iterate) (x, y, &xo, &yo);
+               (*Iterate) (A, x, y, &xo, &yo);
                 x = xo + NRAND(8) - 4;
                 y = yo + NRAND(8) - 4;
         }
                 x = xo + NRAND(8) - 4;
                 y = yo + NRAND(8) - 4;
         }
@@ -239,9 +259,9 @@ draw_strange(ModeInfo * mi)
         Lx = (DBL) A->Width / UNIT / 2.2;
         Ly = (DBL) A->Height / UNIT / 2.2;
         for (n = A->Max_Pt; n; --n) {
         Lx = (DBL) A->Width / UNIT / 2.2;
         Ly = (DBL) A->Height / UNIT / 2.2;
         for (n = A->Max_Pt; n; --n) {
-               (*Iterate) (x, y, &xo, &yo);
-               Buf->x = (short) (Lx * (x + DBL_To_PRM(1.1)));
-               Buf->y = (short) (Ly * (DBL_To_PRM(1.1) - y));
+               (*Iterate) (A, x, y, &xo, &yo);
+               Buf->x = (int) (Lx * (x + DBL_To_PRM(1.1)));
+               Buf->y = (int) (Ly * (DBL_To_PRM(1.1) - y));
                 /* (void) fprintf( stderr, "X,Y: %d %d    ", Buf->x, Buf->y ); */
                 Buf++;
                 A->Cur_Pt++;
                 /* (void) fprintf( stderr, "X,Y: %d %d    ", Buf->x, Buf->y ); */
                 Buf++;
                 A->Cur_Pt++;
@@ -257,34 +277,30 @@ draw_strange(ModeInfo * mi)
                 y = yo + NRAND(8) - 4;
         }
  
                 y = yo + NRAND(8) - 4;
         }
  
-       XSetForeground(display, gc, MI_WIN_BLACK_PIXEL(mi));
+       MI_IS_DRAWN(mi) = True;
  
  
-       if (A->dbuf)    /* jwz */
-         {
-               XSetForeground(display, A->dbuf_gc, 0);
-/*         XDrawPoints(display, A->dbuf, A->dbuf_gc, A->Buffer1,
-                                   Cur_Pt,CoordModeOrigin);*/
-               XFillRectangle(display, A->dbuf, A->dbuf_gc, 0,0, A->Width, A->Height);
-         }
-       else
-         XDrawPoints(display, window, gc, A->Buffer1, Cur_Pt, CoordModeOrigin);
+       XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
  
  
-       if (Max_Colors < 2)
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
+       if (A->dbuf != None) {          /* jwz */
+               XSetForeground(display, A->dbuf_gc, 0);
+/* XDrawPoints(display, A->dbuf, A->dbuf_gc, A->Buffer1,
+   Cur_Pt,CoordModeOrigin); */
+               XFillRectangle(display, A->dbuf, A->dbuf_gc, 0, 0, A->Width, A->Height);
+       } else
+               XDrawPoints(display, window, gc, A->Buffer1, Cur_Pt, CoordModeOrigin);
+
+       if (MI_NPIXELS(mi) < 2)
+               XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         else
         else
-               XSetForeground(display, gc, MI_PIXEL(mi, A->Col % Max_Colors));
+               XSetForeground(display, gc, MI_PIXEL(mi, A->Col % MI_NPIXELS(mi)));
  
  
-       if (A->dbuf)
-         {
+       if (A->dbuf != None) {
                 XSetForeground(display, A->dbuf_gc, 1);
                 XDrawPoints(display, A->dbuf, A->dbuf_gc, A->Buffer2, A->Cur_Pt,
                 XSetForeground(display, A->dbuf_gc, 1);
                 XDrawPoints(display, A->dbuf, A->dbuf_gc, A->Buffer2, A->Cur_Pt,
-                                       CoordModeOrigin);
-         }
-       else
-         XDrawPoints(display, window, gc, A->Buffer2, A->Cur_Pt, CoordModeOrigin);
-
-       if (A->dbuf)
-         XCopyPlane(display, A->dbuf, window, gc, 0,0,A->Width,A->Height,0,0, 1);
+                           CoordModeOrigin);
+               XCopyPlane(display, A->dbuf, window, gc, 0, 0, A->Width, A->Height, 0, 0, 1);
+       } else
+               XDrawPoints(display, window, gc, A->Buffer2, A->Cur_Pt, CoordModeOrigin);
  
         Buf = A->Buffer1;
         A->Buffer1 = A->Buffer2;
  
         Buf = A->Buffer1;
         A->Buffer1 = A->Buffer2;
@@ -309,23 +325,26 @@ draw_strange(ModeInfo * mi)
  void
  init_strange(ModeInfo * mi)
  {
  void
  init_strange(ModeInfo * mi)
  {
+       Display    *display = MI_DISPLAY(mi);
+       Window      window = MI_WINDOW(mi);
+       GC          gc = MI_GC(mi);
         ATTRACTOR  *Attractor;
  
         ATTRACTOR  *Attractor;
  
-       curve = get_integer_resource ("curve", "Integer");
-       if (curve <= 0) curve = 10;
-
         if (Root == NULL) {
         if (Root == NULL) {
-               Root = (ATTRACTOR *) calloc(
-                                    MI_NUM_SCREENS(mi), sizeof (ATTRACTOR));
-               if (Root == NULL)
+               if ((Root = (ATTRACTOR *) calloc(MI_NUM_SCREENS(mi),
+                               sizeof (ATTRACTOR))) == NULL)
                         return;
         }
                         return;
         }
-       if (Fold == NULL) {
+       Attractor = &Root[MI_SCREEN(mi)];
+
+       if (Attractor->Fold == NULL) {
                 int         i;
  
                 int         i;
  
-               Fold = (PRM *) calloc(UNIT2 + 1, sizeof (PRM));
-               if (Fold == NULL)
+               if ((Attractor->Fold = (PRM *) calloc(UNIT2 + 1,
+                               sizeof (PRM))) == NULL) {
+                       free_strange(display, Attractor);
                         return;
                         return;
+               }
                 for (i = 0; i <= UNIT2; ++i) {
                         DBL         x;
  
                 for (i = 0; i <= UNIT2; ++i) {
                         DBL         x;
  
@@ -336,21 +355,25 @@ init_strange(ModeInfo * mi)
                         /* x = x*(1.0-x)*4.0; */
                         x = (DBL) (i) / UNIT;
                         x = sin(x);
                         /* x = x*(1.0-x)*4.0; */
                         x = (DBL) (i) / UNIT;
                         x = sin(x);
-                       Fold[i] = DBL_To_PRM(x);
+                       Attractor->Fold[i] = DBL_To_PRM(x);
                 }
         }
                 }
         }
-       Attractor = &Root[MI_SCREEN(mi)];
-
-       Attractor->Buffer1 = (XPoint *) calloc(MAX_POINTS, sizeof (XPoint));
         if (Attractor->Buffer1 == NULL)
         if (Attractor->Buffer1 == NULL)
-               goto Abort;
-       Attractor->Buffer2 = (XPoint *) calloc(MAX_POINTS, sizeof (XPoint));
+               if ((Attractor->Buffer1 = (XPoint *) calloc(MAX_POINTS,
+                               sizeof (XPoint))) == NULL) {
+                       free_strange(display, Attractor);
+                       return;
+               }
         if (Attractor->Buffer2 == NULL)
         if (Attractor->Buffer2 == NULL)
-               goto Abort;
+               if ((Attractor->Buffer2 = (XPoint *) calloc(MAX_POINTS,
+                               sizeof (XPoint))) == NULL) {
+                       free_strange(display, Attractor);
+                       return;
+               }
         Attractor->Max_Pt = MAX_POINTS;
  
         Attractor->Max_Pt = MAX_POINTS;
  
-       Attractor->Width = MI_WIN_WIDTH(mi);
-       Attractor->Height = MI_WIN_HEIGHT(mi);
+       Attractor->Width = MI_WIDTH(mi);
+       Attractor->Height = MI_HEIGHT(mi);
         Attractor->Cur_Pt = 0;
         Attractor->Count = 0;
         Attractor->Col = NRAND(MI_NPIXELS(mi));
         Attractor->Cur_Pt = 0;
         Attractor->Count = 0;
         Attractor->Col = NRAND(MI_NPIXELS(mi));
@@ -359,37 +382,41 @@ init_strange(ModeInfo * mi)
         Attractor->Iterate = Funcs[NRAND(2)];
         Random_Prm(Attractor->Prm1);
         Random_Prm(Attractor->Prm2);
         Attractor->Iterate = Funcs[NRAND(2)];
         Random_Prm(Attractor->Prm1);
         Random_Prm(Attractor->Prm2);
+#ifndef NO_DBUF
+       if (Attractor->dbuf != None)
+               XFreePixmap(display, Attractor->dbuf);
+       Attractor->dbuf = XCreatePixmap(display, window,
+            Attractor->Width, Attractor->Height, 1);
+       /* Allocation checked */
+       if (Attractor->dbuf != None) {
+               XGCValues   gcv;
  
  
-       Attractor->dbuf = XCreatePixmap(MI_DISPLAY(mi), MI_WINDOW(mi),
-                                                                       Attractor->Width, Attractor->Height, 1);
-       if (Attractor->dbuf)
-         {
-               XGCValues gcv;
                 gcv.foreground = 0;
                 gcv.background = 0;
                 gcv.foreground = 0;
                 gcv.background = 0;
+               gcv.graphics_exposures = False;
                 gcv.function = GXcopy;
                 gcv.function = GXcopy;
-               Attractor->dbuf_gc = XCreateGC(MI_DISPLAY(mi), Attractor->dbuf,
-                                                                          GCForeground|GCBackground|GCFunction,
-                                                                          &gcv);
-               XFillRectangle(MI_DISPLAY(mi), Attractor->dbuf,
-                                          Attractor->dbuf_gc, 0,0, Attractor->Width,
-                                          Attractor->Height);
-               XSetBackground(MI_DISPLAY(mi), MI_GC(mi), MI_WIN_BLACK_PIXEL(mi));
-               XSetFunction(MI_DISPLAY(mi), MI_GC(mi), GXcopy);
-         }
-
-       XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
-       return;
-
-      Abort:
-       if (Attractor->Buffer1 != NULL)
-               free(Attractor->Buffer1);
-       if (Attractor->Buffer2 != NULL)
-               free(Attractor->Buffer2);
-       Attractor->Buffer1 = NULL;
-       Attractor->Buffer2 = NULL;
-       Attractor->Cur_Pt = 0;
-       return;
+
+               if (Attractor->dbuf_gc != None)
+                       XFreeGC(display, Attractor->dbuf_gc);
+
+               if ((Attractor->dbuf_gc = XCreateGC(display, Attractor->dbuf,
+                               GCForeground | GCBackground | GCGraphicsExposures | GCFunction,
+                               &gcv)) == None) {
+                       XFreePixmap(display, Attractor->dbuf);
+                       Attractor->dbuf = None;
+               } else {
+                       XFillRectangle(display, Attractor->dbuf, Attractor->dbuf_gc,
+                               0, 0, Attractor->Width, Attractor->Height);
+                       XSetBackground(display, gc, MI_BLACK_PIXEL(mi));
+                       XSetFunction(display, gc, GXcopy);
+               }
+       }
+#endif
+
+       MI_CLEARWINDOW(mi);
+
+       /* Do not want any exposure events from XCopyPlane */
+       XSetGraphicsExposures(display, MI_GC(mi), False);
  }
  
  /***************************************************************/
  }
  
  /***************************************************************/
@@ -397,24 +424,14 @@ init_strange(ModeInfo * mi)
  void
  release_strange(ModeInfo * mi)
  {
  void
  release_strange(ModeInfo * mi)
  {
-       int         i;
+       if (Root != NULL) {
+               int         screen;
  
  
-       if (Root == NULL)
-               return;
-
-       for (i = 0; i < MI_NUM_SCREENS(mi); ++i) {
-               if (Root[i].Buffer1 != NULL)
-                       free(Root[i].Buffer1);
-               if (Root[i].Buffer2 != NULL)
-                       free(Root[i].Buffer2);
-               if (Root[i].dbuf)
-                   XFreePixmap(MI_DISPLAY(mi), Root[i].dbuf);
-               if (Root[i].dbuf_gc)
-                   XFreeGC(MI_DISPLAY(mi), Root[i].dbuf_gc);
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); ++screen)
+                       free_strange(MI_DISPLAY(mi), &Root[screen]);
+               (void) free((void *) Root);
+               Root = (ATTRACTOR *) NULL; 
         }
         }
-       free(Root);
-       Root = NULL;
-       if (Fold != NULL)
-               free(Fold);
-       Fold = NULL;
  }
  }
+
+#endif /* MODE_strange */
diff --git a/hacks/thornbird.c b/hacks/thornbird.c

new file mode 100644 (file)

index 0000000..eb35ae2
--- /dev/null
+++ b/hacks/thornbird.c
@@ -0,0 +1,270 @@
+/* -*- Mode: C; tab-width: 4 -*- */
+/* thornbird --- continuously varying Thornbird set */
+
+#if !defined( lint ) && !defined( SABER )
+static const char sccsid[] = "@(#)thornbird.c  5.00 2000/11/01 xlockmore";
+
+#endif
+
+/*-
+ * Copyright (c) 1996 by Tim Auckland <Tim.Auckland@Procket.com>
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * "thornbird" shows a view of the "Bird in a Thornbush" fractal,
+ * continuously varying the three free parameters.
+ *
+ * Revision History:
+ * 01-Nov-2000: Allocation checks
+ * 04-Jun-1999: 3D tumble added by Tim Auckland
+ * 31-Jul-1997: Adapted from discrete.c Copyright (c) 1996 by Tim Auckland
+ */
+
+#ifdef STANDALONE
+#define MODE_thornbird
+#define PROGCLASS "Thornbird"
+#define HACK_INIT init_thornbird
+#define HACK_DRAW draw_thornbird
+#define thornbird_opts xlockmore_opts
+#define DEFAULTS "*delay: 10000 \n" \
+ "*count: 800 \n" \
+ "*cycles: 16 \n" \
+ "*ncolors: 64 \n"
+#define SMOOTH_COLORS
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_thornbird
+
+ModeSpecOpt thornbird_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   thornbird_description =
+{"thornbird", "init_thornbird", "draw_thornbird", "release_thornbird",
+ "refresh_thornbird", "init_thornbird", (char *) NULL, &thornbird_opts,
+ 1000, 800, 16, 1, 64, 1.0, "",
+ "Shows an animated Bird in a Thorn Bush fractal map", 0, NULL};
+
+#endif
+
+#define balance_rand(v)        ((LRAND()/MAXRAND*(v))-((v)/2)) /* random around 0 */
+
+typedef struct {
+       int         maxx;
+       int         maxy;       /* max of the screen */
+       double      a;
+       double      b;
+       double      c;
+       double      d;
+       double      e;
+       double      i;
+       double      j;          /* thornbird parameters */
+    struct {
+         double  f1;
+         double  f2;
+       }           liss;
+    struct {
+         double  theta;
+         double  dtheta;
+         double  phi;
+         double  dphi;
+       }           tumble;
+    int         inc;
+       int         pix;
+       int         count;
+       int         nbuffers;
+       XPoint    **pointBuffer;        /* pointer for XDrawPoints */
+} thornbirdstruct;
+
+static thornbirdstruct *thornbirds = (thornbirdstruct *) NULL;
+
+static void
+free_thornbird(thornbirdstruct *hp)
+{
+       if (hp->pointBuffer != NULL) {
+               int         buffer;
+
+               for (buffer = 0; buffer < hp->nbuffers; buffer++)
+                       if (hp->pointBuffer[buffer] != NULL)
+                               (void) free((void *) hp->pointBuffer[buffer]);
+               (void) free((void *) hp->pointBuffer);
+               hp->pointBuffer = (XPoint **) NULL;
+       }
+}
+
+void
+init_thornbird(ModeInfo * mi)
+{
+       thornbirdstruct *hp;
+
+       if (thornbirds == NULL) {
+               if ((thornbirds =
+                    (thornbirdstruct *) calloc(MI_NUM_SCREENS(mi),
+                                         sizeof (thornbirdstruct))) == NULL)
+                       return;
+       }
+       hp = &thornbirds[MI_SCREEN(mi)];
+
+
+       hp->maxx = MI_WIDTH(mi);
+       hp->maxy = MI_HEIGHT(mi);
+
+       hp->b = 0.1;
+       hp->i = hp->j = 0.1;
+
+       hp->pix = 0;
+       hp->inc = 0;
+
+       hp->nbuffers = MI_CYCLES(mi);
+
+       if (hp->pointBuffer == NULL)
+               if ((hp->pointBuffer = (XPoint **) calloc(MI_CYCLES(mi),
+                               sizeof (XPoint *))) == NULL) {
+                       free_thornbird(hp);
+                       return;
+               }
+
+       if (hp->pointBuffer[0] == NULL)
+               if ((hp->pointBuffer[0] = (XPoint *) malloc(MI_COUNT(mi) *
+                               sizeof (XPoint))) == NULL) {
+                       free_thornbird(hp);
+                       return;
+               }
+
+       /* select frequencies for parameter variation */
+       hp->liss.f1 = LRAND() % 5000;
+       hp->liss.f2 = LRAND() % 2000;
+
+       /* choose random 3D tumbling */
+       hp->tumble.theta = 0;
+       hp->tumble.phi = 0;
+       hp->tumble.dtheta = balance_rand(0.001);
+       hp->tumble.dphi = balance_rand(0.005);
+
+       /* Clear the background. */
+       MI_CLEARWINDOW(mi);
+
+       hp->count = 0;
+}
+
+
+void
+draw_thornbird(ModeInfo * mi)
+{
+       Display    *dsp = MI_DISPLAY(mi);
+       Window      win = MI_WINDOW(mi);
+       double      oldj, oldi;
+       int         batchcount = MI_COUNT(mi);
+       int         k;
+       XPoint     *xp;
+       GC          gc = MI_GC(mi);
+       int         erase;
+       int         current;
+
+       double      sint, cost, sinp, cosp;
+       thornbirdstruct *hp;
+
+       if (thornbirds == NULL)
+               return;
+       hp = &thornbirds[MI_SCREEN(mi)];
+       if (hp->pointBuffer == NULL)
+               return;
+
+       erase = (hp->inc + 1) % MI_CYCLES(mi);
+       current = hp->inc % MI_CYCLES(mi);
+       k = batchcount;
+
+
+       xp = hp->pointBuffer[current];
+
+       /* vary papameters */
+       hp->a = 1.99 + (0.4 * sin(hp->inc / hp->liss.f1) +
+                                       0.05 * cos(hp->inc / hp->liss.f2));
+       hp->c = 0.80 + (0.15 * cos(hp->inc / hp->liss.f1) +
+                                       0.05 * sin(hp->inc / hp->liss.f2));
+
+       /* vary view */
+       hp->tumble.theta += hp->tumble.dtheta;
+       hp->tumble.phi += hp->tumble.dphi;
+       sint = sin(hp->tumble.theta);
+       cost = cos(hp->tumble.theta);
+       sinp = sin(hp->tumble.phi);
+       cosp = cos(hp->tumble.phi);
+
+       while (k--) {
+               oldj = hp->j;
+               oldi = hp->i;
+
+               hp->j = oldi;
+               hp->i = (1 - hp->c) * cos(M_PI * hp->a * oldj) + hp->c * hp->b;
+               hp->b = oldj;
+
+               xp->x = (short)
+                 (hp->maxx / 2 * (1
+                                                  + sint*hp->j + cost*cosp*hp->i - cost*sinp*hp->b));
+               xp->y = (short)
+                 (hp->maxy / 2 * (1
+                                                  - cost*hp->j + sint*cosp*hp->i - sint*sinp*hp->b));
+               xp++;
+       }
+
+       MI_IS_DRAWN(mi) = True;
+
+       if (hp->pointBuffer[erase] == NULL) {
+               if ((hp->pointBuffer[erase] = (XPoint *) malloc(MI_COUNT(mi) *
+                               sizeof (XPoint))) == NULL) {
+                       free_thornbird(hp);
+                       return;
+               }
+       } else {
+               XSetForeground(dsp, gc, MI_BLACK_PIXEL(mi));
+               XDrawPoints(dsp, win, gc, hp->pointBuffer[erase],
+                           batchcount, CoordModeOrigin);
+       }
+       if (MI_NPIXELS(mi) > 2) {
+               XSetForeground(dsp, gc, MI_PIXEL(mi, hp->pix));
+               if (erase == 0) /* change colours after "cycles" cycles */
+                       if (++hp->pix >= MI_NPIXELS(mi))
+                               hp->pix = 0;
+       } else
+               XSetForeground(dsp, gc, MI_WHITE_PIXEL(mi));
+
+       XDrawPoints(dsp, win, gc, hp->pointBuffer[current],
+                   batchcount, CoordModeOrigin);
+       hp->inc++;
+
+}
+
+void
+release_thornbird(ModeInfo * mi)
+{
+       if (thornbirds != NULL) {
+               int         screen;
+
+               for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
+                       free_thornbird(&thornbirds[screen]);
+               (void) free((void *) thornbirds);
+               thornbirds = (thornbirdstruct *) NULL;
+       }
+}
+
+void
+refresh_thornbird(ModeInfo * mi)
+{
+       MI_CLEARWINDOW(mi);
+}
+
+#endif /* MODE_thornbird */
diff --git a/hacks/twang.c b/hacks/twang.c

new file mode 100644 (file)

index 0000000..8b975dc
--- /dev/null
+++ b/hacks/twang.c
@@ -0,0 +1,763 @@
+/* twang, twist around screen bits, v1.3
+ * by Dan Bornstein, danfuzz@milk.com
+ * Copyright (c) 2003 Dan Bornstein. All rights reserved.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ *
+ * See the included man page for more details.
+ */
+
+#include <math.h>
+#include "screenhack.h"
+#include <X11/Xutil.h>
+
+#ifdef HAVE_XSHM_EXTENSION
+#include "xshm.h"
+#endif
+
+#define FLOAT double
+
+/* random float in the range (-1..1) */
+#define RAND_FLOAT_PM1 \
+        (((FLOAT) ((random() >> 8) & 0xffff)) / ((FLOAT) 0x10000) * 2 - 1)
+
+/* random float in the range (0..1) */
+#define RAND_FLOAT_01 \
+        (((FLOAT) ((random() >> 8) & 0xffff)) / ((FLOAT) 0x10000))
+
+
+
+/* parameters that are user configurable */
+
+/* whether or not to use xshm */
+#ifdef HAVE_XSHM_EXTENSION
+static Bool useShm;
+#endif
+
+/* delay (usec) between iterations */
+static int delay;
+
+/* the maximum number of columns of tiles */
+static int maxColumns;
+
+/* the maximum number of rows of tiles */
+static int maxRows;
+
+/* the size (width and height) of a tile */
+static int tileSize;
+
+/* the width of the border around each tile */
+static int borderWidth;
+
+/* the chance, per iteration, of an interesting event happening */
+static FLOAT eventChance;
+
+/* friction: the fraction (0..1) by which velocity decreased per iteration */
+static FLOAT friction;
+
+/* springiness: the fraction (0..1) of the orientation that turns into 
+ * velocity towards the center */
+static FLOAT springiness;
+
+/* transference: the fraction (0..1) of the orientations of orthogonal
+ * neighbors that turns into velocity (in the same direction as the
+ * orientation) */
+static FLOAT transference;
+
+
+
+/* non-user-modifiable immutable definitions */
+
+/* width and height of the window */
+static int windowWidth;
+static int windowHeight;
+
+static Display *display;        /* the display to draw on */
+static Window window;           /* the window to draw on */
+static Screen *screen;          /* the screen to draw on */
+
+static XImage *sourceImage;     /* image source of stuff to draw */
+static XImage *workImage;       /* work area image, used when rendering */
+static XImage *backgroundImage; /* image filled with background pixels */
+
+static GC backgroundGC;         /* GC for the background color */
+static GC foregroundGC;         /* GC for the foreground color */
+static GC borderGC;             /* GC for the border color */
+unsigned long backgroundPixel;  /* background color as a pixel value */
+unsigned long borderPixel;      /* border color as a pixel value */
+
+#ifdef HAVE_XSHM_EXTENSION
+XShmSegmentInfo shmInfo;
+#endif
+
+
+
+/* the model */
+
+typedef struct
+{
+    int x;        /* x coordinate of the center of the tile */
+    int y;        /* y coordinate of the center of the tile */
+    FLOAT angle;  /* angle of the tile (-pi..pi) */
+    FLOAT zoom;   /* log of the zoom of the tile (-1..1) */
+    FLOAT vAngle; /* angular velocity (-pi/4..pi/4) */
+    FLOAT vZoom;  /* zoomular velocity (-0.25..0.25) */
+}
+Tile;
+
+static Tile *tiles;  /* array of tiles (left->right, top->bottom, row major) */
+static int rows;     /* number of rows of tiles */
+static int columns;  /* number of columns of tiles */
+
+static Tile **sortedTiles; /* array of tile pointers, sorted by zoom */
+static int tileCount;     /* total number of tiles */
+
+#define TILE_AT(col,row) (&tiles[(row) * columns + (col)])
+
+#define MAX_VANGLE (M_PI / 4.0)
+#define MAX_VZOOM 0.25
+
+#define RAND_ANGLE (RAND_FLOAT_PM1 * M_PI)
+#define RAND_ZOOM (RAND_FLOAT_PM1)
+#define RAND_VANGLE (RAND_FLOAT_PM1 * MAX_VANGLE)
+#define RAND_VZOOM (RAND_FLOAT_PM1 * MAX_VZOOM)
+
+
+
+/*
+ * overall setup stuff
+ */
+
+/* grab the source image */
+static void grabImage (XWindowAttributes *xwa)
+{
+    XFillRectangle (display, window, backgroundGC, 0, 0, 
+                   windowWidth, windowHeight);
+    backgroundImage = 
+       XGetImage (display, window, 0, 0, windowWidth, windowHeight,
+                  ~0L, ZPixmap);
+
+    grab_screen_image (screen, window);
+    sourceImage = XGetImage (display, window, 0, 0, windowWidth, windowHeight,
+                            ~0L, ZPixmap);
+
+#ifdef HAVE_XSHM_EXTENSION
+    workImage = NULL;
+    if (useShm) 
+    {
+       workImage = create_xshm_image (display, xwa->visual, xwa->depth,
+                                      ZPixmap, 0, &shmInfo, 
+                                      windowWidth, windowHeight);
+       if (!workImage) 
+       {
+           useShm = False;
+           fprintf (stderr, "create_xshm_image failed\n");
+       }
+    }
+
+    if (workImage == NULL)
+#endif /* HAVE_XSHM_EXTENSION */
+
+       /* just use XSubImage to acquire the right visual, depth, etc;
+        * easier than the other alternatives */
+       workImage = XSubImage (sourceImage, 0, 0, windowWidth, windowHeight);
+}
+
+/* set up the system */
+static void setup (void)
+{
+    XWindowAttributes xgwa;
+    XGCValues gcv;
+
+    XGetWindowAttributes (display, window, &xgwa);
+
+    screen = xgwa.screen;
+    windowWidth = xgwa.width;
+    windowHeight = xgwa.height;
+
+    gcv.line_width = borderWidth;
+    gcv.foreground = get_pixel_resource ("borderColor", "BorderColor",
+                                        display, xgwa.colormap);
+    borderPixel = gcv.foreground;
+    borderGC = XCreateGC (display, window, GCForeground | GCLineWidth, 
+                         &gcv);
+
+    gcv.foreground = get_pixel_resource ("background", "Background",
+                                        display, xgwa.colormap);
+    backgroundPixel = gcv.foreground;
+    backgroundGC = XCreateGC (display, window, GCForeground, &gcv);
+
+    gcv.foreground = get_pixel_resource ("foreground", "Foreground",
+                                        display, xgwa.colormap);
+    foregroundGC = XCreateGC (display, window, GCForeground, &gcv);
+
+    grabImage (&xgwa);
+}
+
+
+
+/*
+ * the simulation
+ */
+
+/* event: randomize all the angular velocities */
+static void randomizeAllAngularVelocities (void)
+{
+    int c;
+    int r;
+
+    for (r = 0; r < rows; r++)
+    {
+       for (c = 0; c < columns; c++)
+       {
+           TILE_AT (c, r)->vAngle = RAND_VANGLE;
+       }
+    }
+}
+
+/* event: randomize all the zoomular velocities */
+static void randomizeAllZoomularVelocities (void)
+{
+    int c;
+    int r;
+
+    for (r = 0; r < rows; r++)
+    {
+       for (c = 0; c < columns; c++)
+       {
+           TILE_AT (c, r)->vZoom = RAND_VZOOM;
+       }
+    }
+}
+
+/* event: randomize all the velocities */
+static void randomizeAllVelocities (void)
+{
+    randomizeAllAngularVelocities ();
+    randomizeAllZoomularVelocities ();
+}
+
+/* event: randomize all the angular orientations */
+static void randomizeAllAngularOrientations (void)
+{
+    int c;
+    int r;
+
+    for (r = 0; r < rows; r++)
+    {
+       for (c = 0; c < columns; c++)
+       {
+           TILE_AT (c, r)->angle = RAND_ANGLE;
+       }
+    }
+}
+
+/* event: randomize all the zoomular orientations */
+static void randomizeAllZoomularOrientations (void)
+{
+    int c;
+    int r;
+
+    for (r = 0; r < rows; r++)
+    {
+       for (c = 0; c < columns; c++)
+       {
+           TILE_AT (c, r)->zoom = RAND_ZOOM;
+       }
+    }
+}
+
+/* event: randomize all the orientations */
+static void randomizeAllOrientations (void)
+{
+    randomizeAllAngularOrientations ();
+    randomizeAllZoomularOrientations ();
+}
+
+/* event: randomize everything */
+static void randomizeEverything (void)
+{
+    randomizeAllVelocities ();
+    randomizeAllOrientations ();
+}
+
+/* event: pick one tile and randomize all its stats */
+static void randomizeOneTile (void)
+{
+    int c = RAND_FLOAT_01 * columns;
+    int r = RAND_FLOAT_01 * rows;
+
+    Tile *t = TILE_AT (c, r);
+    t->angle = RAND_ANGLE;
+    t->zoom = RAND_ZOOM;
+    t->vAngle = RAND_VANGLE;
+    t->vZoom = RAND_VZOOM;
+}
+
+/* event: pick one row and randomize everything about each of its tiles */
+static void randomizeOneRow (void)
+{
+    int c;
+    int r = RAND_FLOAT_01 * rows;
+
+    for (c = 0; c < columns; c++)
+    {
+       Tile *t = TILE_AT (c, r);
+       t->angle = RAND_ANGLE;
+       t->zoom = RAND_ZOOM;
+       t->vAngle = RAND_VANGLE;
+       t->vZoom = RAND_VZOOM;
+    }
+}
+
+/* event: pick one column and randomize everything about each of its tiles */
+static void randomizeOneColumn (void)
+{
+    int c = RAND_FLOAT_01 * columns;
+    int r;
+
+    for (r = 0; r < rows; r++)
+    {
+       Tile *t = TILE_AT (c, r);
+       t->angle = RAND_ANGLE;
+       t->zoom = RAND_ZOOM;
+       t->vAngle = RAND_VANGLE;
+       t->vZoom = RAND_VZOOM;
+    }
+}
+
+/* do model event processing */
+static void modelEvents (void)
+{
+    int which;
+
+    if (RAND_FLOAT_01 > eventChance)
+    {
+       return;
+    }
+
+    which = RAND_FLOAT_01 * 10;
+
+    switch (which)
+    {
+       case 0: randomizeAllAngularVelocities ();    break;
+       case 1: randomizeAllZoomularVelocities ();   break;
+       case 2: randomizeAllVelocities ();           break;
+       case 3: randomizeAllAngularOrientations ();  break;
+       case 4: randomizeAllZoomularOrientations (); break;
+       case 5: randomizeAllOrientations ();         break;
+       case 6: randomizeEverything ();              break;
+       case 7: randomizeOneTile ();                 break;
+       case 8: randomizeOneColumn ();               break;
+       case 9: randomizeOneRow ();                  break;
+    }
+}
+
+/* update the model for one iteration */
+static void updateModel (void)
+{
+    int r;
+    int c;
+
+    /* for each tile, decrease its velocities according to the friction,
+     * and increase them based on its current orientation and the orientations
+     * of its orthogonal neighbors */
+    for (r = 0; r < rows; r++)
+    {
+       for (c = 0; c < columns; c++)
+       {
+           Tile *t = TILE_AT (c, r);
+           FLOAT a = t->angle;
+           FLOAT z = t->zoom;
+           FLOAT va = t->vAngle;
+           FLOAT vz = t->vZoom;
+
+           va -= t->angle * springiness;
+           vz -= t->zoom * springiness;
+
+           if (c > 0)
+           {
+               Tile *t2 = TILE_AT (c - 1, r);
+               va += (t2->angle - a) * transference;
+               vz += (t2->zoom - z) * transference;
+           }
+
+           if (c < (columns - 1))
+           {
+               Tile *t2 = TILE_AT (c + 1, r);
+               va += (t2->angle - a) * transference;
+               vz += (t2->zoom - z) * transference;
+           }
+
+           if (r > 0)
+           {
+               Tile *t2 = TILE_AT (c, r - 1);
+               va += (t2->angle - a) * transference;
+               vz += (t2->zoom - z) * transference;
+           }
+
+           if (r < (rows - 1))
+           {
+               Tile *t2 = TILE_AT (c, r + 1);
+               va += (t2->angle - a) * transference;
+               vz += (t2->zoom - z) * transference;
+           }
+
+           va *= (1.0 - friction);
+           vz *= (1.0 - friction);
+
+           if (va > MAX_VANGLE) va = MAX_VANGLE;
+           else if (va < -MAX_VANGLE) va = -MAX_VANGLE;
+           t->vAngle = va;
+
+           if (vz > MAX_VZOOM) vz = MAX_VZOOM;
+           else if (vz < -MAX_VZOOM) vz = -MAX_VZOOM;
+           t->vZoom = vz;
+       }
+    }
+
+    /* for each tile, update its orientation based on its velocities */
+    for (r = 0; r < rows; r++)
+    {
+       for (c = 0; c < columns; c++)
+       {
+           Tile *t = TILE_AT (c, r);
+           FLOAT a = t->angle + t->vAngle;
+           FLOAT z = t->zoom + t->vZoom;
+
+           if (a > M_PI) a = M_PI;
+           else if (a < -M_PI) a = -M_PI;
+           t->angle = a;
+
+           if (z > 1.0) z = 1.0;
+           else if (z < -1.0) z = -1.0;
+           t->zoom = z;
+       }
+    }
+}
+
+/* the comparator to us to sort the tiles (used immediately below); it'd
+ * sure be nice if C allowed inner functions (or jeebus-forbid *real
+ * closures*!) */
+static int sortTilesComparator (const void *v1, const void *v2)
+{
+    Tile *t1 = *(Tile **) v1;
+    Tile *t2 = *(Tile **) v2;
+    
+    if (t1->zoom < t2->zoom)
+    {
+       return -1;
+    }
+
+    if (t1->zoom > t2->zoom)
+    {
+       return 1;
+    }
+
+    return 0;
+}
+
+/* sort the tiles in sortedTiles by zoom */
+static void sortTiles (void)
+{
+    qsort (sortedTiles, tileCount, sizeof (Tile *), sortTilesComparator);
+}
+
+/* render the given tile */
+static void renderTile (Tile *t)
+{
+    /* note: the zoom as stored per tile is log-based (centered on 0, with
+     * 0 being no zoom, but the range for zoom-as-drawn is 0.4..2.5,
+     * hence the alteration of t->zoom, below */
+
+    int x, y;
+
+    int tx = t->x;
+    int ty = t->y;
+
+    FLOAT zoom = pow (2.5, t->zoom);
+    FLOAT ang = -t->angle;
+    FLOAT sinAng = sin (ang);
+    FLOAT cosAng = cos (ang);
+
+    FLOAT innerBorder = (tileSize - borderWidth) / 2.0;
+    FLOAT outerBorder = innerBorder + borderWidth;
+
+    int maxCoord = outerBorder * zoom * (fabs (sinAng) + fabs (cosAng));
+    int minX = tx - maxCoord;
+    int maxX = tx + maxCoord;
+    int minY = ty - maxCoord;
+    int maxY = ty + maxCoord;
+
+    FLOAT prey;
+
+    if (minX < 0) minX = 0;
+    if (maxX > windowWidth) maxX = windowWidth;
+    if (minY < 0) minY = 0;
+    if (maxY > windowHeight) maxY = windowHeight;
+
+    sinAng /= zoom;
+    cosAng /= zoom;
+
+    for (y = minY, prey = y - ty; y < maxY; y++, prey++)
+    {
+       FLOAT prex = minX - tx;
+       FLOAT srcx = prex * cosAng - prey * sinAng;
+       FLOAT srcy = prex * sinAng + prey * cosAng;
+
+       for (x = minX; 
+            x < maxX; 
+            x++, srcx += cosAng, srcy += sinAng)
+       {
+           if ((srcx < -innerBorder) || (srcx >= innerBorder) ||
+               (srcy < -innerBorder) || (srcy >= innerBorder))
+           {
+               if ((srcx < -outerBorder) || (srcx >= outerBorder) ||
+                   (srcy < -outerBorder) || (srcy >= outerBorder))
+               {
+                   continue;
+               }
+               XPutPixel (workImage, x, y, borderPixel);
+           }
+           else
+           {
+               unsigned long p = 
+                   XGetPixel (sourceImage, srcx + tx, srcy + ty);
+               XPutPixel (workImage, x, y, p);
+           }
+       }
+    }
+}
+
+/* render and display the current model */
+static void renderFrame (void)
+{
+    int n;
+
+    memcpy (workImage->data, backgroundImage->data, 
+           workImage->bytes_per_line * workImage->height);
+
+    sortTiles ();
+
+    for (n = 0; n < tileCount; n++)
+    {
+       renderTile (sortedTiles[n]);
+    }
+
+#ifdef HAVE_XSHM_EXTENSION
+    if (useShm)
+       XShmPutImage (display, window, backgroundGC, workImage, 0, 0, 0, 0,
+                     windowWidth, windowHeight, False);
+    else
+#endif /* HAVE_XSHM_EXTENSION */
+       XPutImage (display, window, backgroundGC, workImage, 
+                  0, 0, 0, 0, windowWidth, windowHeight);
+}
+
+/* set up the model */
+static void setupModel (void)
+{
+    int c;
+    int r;
+
+    int leftX; /* x of the center of the top-left tile */
+    int topY;  /* y of the center of the top-left tile */
+
+    if (tileSize > (windowWidth / 2))
+    {
+       tileSize = windowWidth / 2;
+    }
+
+    if (tileSize > (windowHeight / 2))
+    {
+       tileSize = windowHeight / 2;
+    }
+
+    columns = windowWidth / tileSize;
+    rows = windowHeight / tileSize;
+
+    if ((maxColumns != 0) && (columns > maxColumns))
+    {
+       columns = maxColumns;
+    }
+
+    if ((maxRows != 0) && (rows > maxRows))
+    {
+       rows = maxRows;
+    }
+
+    tileCount = rows * columns;
+
+    leftX = (windowWidth - (columns * tileSize) + tileSize) / 2;
+    topY = (windowHeight - (rows * tileSize) + tileSize) / 2;
+
+    tiles = calloc (tileCount, sizeof (Tile));
+    sortedTiles = calloc (tileCount, sizeof (Tile *));
+
+    for (r = 0; r < rows; r++)
+    {
+       for (c = 0; c < columns; c++)
+       {
+           Tile *t = TILE_AT (c, r);
+           t->x = leftX + c * tileSize;
+           t->y = topY + r * tileSize;
+           sortedTiles[c + r * columns] = t;
+       }
+    }
+
+    randomizeEverything ();
+}
+
+/* do one iteration */
+static void oneIteration (void)
+{
+    modelEvents ();
+    updateModel ();
+    renderFrame ();
+}
+
+
+
+/* main and options and stuff */
+
+char *progclass = "Twang";
+
+char *defaults [] = {
+    ".background:      black",
+    ".foreground:      white",
+    "*borderColor:      blue",
+    "*borderWidth:     3",
+    "*delay:           10000",
+    "*eventChance:      0.01",
+    "*friction:                0.05",
+    "*maxColumns:       0",
+    "*maxRows:          0",
+    "*springiness:     0.1",
+    "*tileSize:                120",
+    "*transference:    0.025",
+#ifdef HAVE_XSHM_EXTENSION
+    "*useSHM: True",
+#endif
+    0
+};
+
+XrmOptionDescRec options [] = {
+  { "-border-color",     ".borderColor",    XrmoptionSepArg, 0 },
+  { "-border-width",     ".borderWidth",    XrmoptionSepArg, 0 },
+  { "-delay",            ".delay",          XrmoptionSepArg, 0 },
+  { "-event-chance",     ".eventChance",    XrmoptionSepArg, 0 },
+  { "-friction",         ".friction",       XrmoptionSepArg, 0 },
+  { "-max-columns",      ".maxColumns",     XrmoptionSepArg, 0 },
+  { "-max-rows",         ".maxRows",        XrmoptionSepArg, 0 },
+  { "-springiness",      ".springiness",    XrmoptionSepArg, 0 },
+  { "-tile-size",        ".tileSize",       XrmoptionSepArg, 0 },
+  { "-transference",     ".transference",   XrmoptionSepArg, 0 },
+#ifdef HAVE_XSHM_EXTENSION
+  { "-shm",              ".useSHM",         XrmoptionNoArg, "True" },
+  { "-no-shm",           ".useSHM",         XrmoptionNoArg, "False" },
+#endif
+  { 0, 0, 0, 0 }
+};
+
+/* initialize the user-specifiable params */
+static void initParams (void)
+{
+    int problems = 0;
+
+    borderWidth = get_integer_resource ("borderWidth", "Integer");
+    if (borderWidth < 0)
+    {
+       fprintf (stderr, "error: border width must be at least 0\n");
+       problems = 1;
+    }
+
+    delay = get_integer_resource ("delay", "Delay");
+    if (delay < 0)
+    {
+       fprintf (stderr, "error: delay must be at least 0\n");
+       problems = 1;
+    }
+
+    eventChance = get_float_resource ("eventChance", "Double");
+    if ((eventChance < 0.0) || (eventChance > 1.0))
+    {
+       fprintf (stderr, "error: eventChance must be in the range 0..1\n");
+       problems = 1;
+    }
+
+    friction = get_float_resource ("friction", "Double");
+    if ((friction < 0.0) || (friction > 1.0))
+    {
+       fprintf (stderr, "error: friction must be in the range 0..1\n");
+       problems = 1;
+    }
+
+    maxColumns = get_integer_resource ("maxColumns", "Integer");
+    if (maxColumns < 0)
+    {
+       fprintf (stderr, "error: max columns must be at least 0\n");
+       problems = 1;
+    }
+
+    maxRows = get_integer_resource ("maxRows", "Integer");
+    if (maxRows < 0)
+    {
+       fprintf (stderr, "error: max rows must be at least 0\n");
+       problems = 1;
+    }
+
+    springiness = get_float_resource ("springiness", "Double");
+    if ((springiness < 0.0) || (springiness > 1.0))
+    {
+       fprintf (stderr, "error: springiness must be in the range 0..1\n");
+       problems = 1;
+    }
+
+    tileSize = get_integer_resource ("tileSize", "Integer");
+    if (tileSize < 1)
+    {
+       fprintf (stderr, "error: tile size must be at least 1\n");
+       problems = 1;
+    }
+    
+    transference = get_float_resource ("transference", "Double");
+    if ((transference < 0.0) || (transference > 1.0))
+    {
+       fprintf (stderr, "error: transference must be in the range 0..1\n");
+       problems = 1;
+    }
+
+#ifdef HAVE_XSHM_EXTENSION
+    useShm = get_boolean_resource ("useSHM", "Boolean");
+#endif
+
+    if (problems)
+    {
+       exit (1);
+    }
+}
+
+/* main function */
+void screenhack (Display *dpy, Window win)
+{
+    display = dpy;
+    window = win;
+
+    initParams ();
+    setup ();
+    setupModel ();
+
+    for (;;) 
+    {
+       oneIteration ();
+        XSync (dpy, False);
+        screenhack_handle_events (dpy);
+       usleep (delay);
+    }
+}
diff --git a/hacks/twang.man b/hacks/twang.man

new file mode 100644 (file)

index 0000000..27cdc2e
--- /dev/null
+++ b/hacks/twang.man
@@ -0,0 +1,107 @@
+.TH XScreenSaver 1 "07-Feb-2002" "X Version 11"
+.SH NAME
+twang - pluck pieces of the screen
+.SH SYNOPSIS
+.B twang
+[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-shm] [\-no-shm] [\-delay \fImicroseconds\fP] [\-border-color \fIcolor\fP] [\-border-width \fIinteger\fP] [\-event-chance \fIfraction\fP] [\-friction \fIfraction\fP] [\-springiness \fIfraction\fP] [\-tile-size \fIinteger\fP] [\-transference \fIfraction\fP]
+.SH DESCRIPTION
+\fITwang\fP divides the screen into equal-sized tiles, and then plucks
+them in various ways. Tiles are affected by their neighbors, so waves
+of motion flow through the grid. This manpage
+describes v1.3 of the program.
+.SH OPTIONS
+.I twang
+accepts the following options:
+.TP 8
+.B \-window
+Draw on a newly-created window.  This is the default.
+.TP 8
+.B \-root
+Draw on the root window.
+.TP 8
+.B \-mono 
+If on a color display, pretend we're on a monochrome display.
+.TP 8
+.B \-install
+Install a private colormap for the window.
+.TP 8
+.B \-visual \fIvisual\fP
+Which visual to use.  Legal values are the name of a visual class,
+or the id number (decimal or hex) of a specific visual.
+.TP 8
+.B \-shm
+.TP 8
+.B \-no-shm
+Use the shared memory extension (or not, respectively), if available. 
+This may speed things
+up a bit, but probably won't make that much difference. If available,
+defaults to true, resource \fIuseSHM\fP.
+.TP 8
+.B \-delay \fImicroseconds\fP
+The interframe delay, in microseconds. Defaults to 10000, resource
+\fIdelay\fP.
+.TP 8
+.B \-border-color \fIcolor\fP
+Color of the border surrounding each tile. Defaults to blue, resource
+\fIborderColor\fP.
+.TP 8
+.B \-border-width \fIinteger\fP
+Width of the border surrounding each tile. Defaults to 3, resource
+\fIborderWidth\fP.
+.TP 8
+.B \-event-chance \fIfraction\fP
+The chance, per iteration, for an event to occur (such as tweaking
+the orientation of a tile), in the range 0..1. Defaults to 0.01,
+resource \fIeventChance\fP.
+.TP 8
+.B \-friction \fIfraction\fP
+How much friction there is in the system, in the range 0..1. 
+This is the amount by which velocities are damped per iteration.
+Defaults to 0.05, resource \fIfriction\fP.
+.TP 8
+.B \-springiness \fIfraction\fP
+How springy the tiles are, in the range 0..1. 
+This is the fraction of an orientation that gets turned into a velocity
+towards the center (resting point). Defaults to 0.1, resource 
+\fIspringiness\fP.
+.TP 8
+.B \-tile-size \fIinteger\fP
+Size (width and height) of each tile, not including the outer edge
+of the border. Defaults to 120, resource \fItileSize\fP.
+.TP 8
+.B \-transference \fIfraction\fP
+How much a tile's neighbors affect it, in the range 0..1. 
+This is the fraction of an orientation of a neighbor that gets turned 
+into a velocity in the same direction Defaults to 0.025, resource 
+\fItransference\fP.
+.SH ENVIRONMENT
+.PP
+.TP 8
+.B DISPLAY
+to get the default host and display number.
+.TP 8
+.B XENVIRONMENT
+to get the name of a resource file that overrides the global resources
+stored in the RESOURCE_MANAGER property.
+.SH X RESOURCES
+There are resource equivalents for each option, noted above.
+.SH BUGS
+.I twang
+should have more interesting events.
+.TP 8
+Ways of speeding it up need to be investigated. It's kinda sluggish,
+especially on hugeass displays.
+.SH SEE ALSO
+.BR xscreensaver (1)
+.SH COPYRIGHT
+Copyright \(co 2002 by Dan Bornstein. All rights reserved.
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation. No representations are made about the suitability of this
+software for any purpose. It is provided "as is" without express or 
+implied warranty.
+.SH AUTHOR
+Dan Bornstein <danfuzz@milk.com>.
diff --git a/hacks/vidwhacker b/hacks/vidwhacker

index dbe6e327348fa027d5565d681997737571afa6b7..8308cccac8236abd0d961c259c9106b546be1e4e 100755 (executable)
--- a/hacks/vidwhacker
+++ b/hacks/vidwhacker
@@ -21,7 +21,7 @@ use diagnostics;
  use strict;
  
  my $progname = $0; $progname =~ s@.*/@@g;
  use strict;
  
  my $progname = $0; $progname =~ s@.*/@@g;
-my $version = q{ $Revision: 1.18 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
+my $version = q{ $Revision: 1.19 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
  
  my $verbose = 0;
  my $use_stdin = 0;
  
  my $verbose = 0;
  my $use_stdin = 0;
@@ -324,6 +324,7 @@ sub get_ppm {
  
        if    ($fn =~ m/\.gif/i)   { $cmd = "giftopnm < \"$fn\""; }
        elsif ($fn =~ m/\.jpe?g/i) { $cmd = "djpeg < \"$fn\""; }
  
        if    ($fn =~ m/\.gif/i)   { $cmd = "giftopnm < \"$fn\""; }
        elsif ($fn =~ m/\.jpe?g/i) { $cmd = "djpeg < \"$fn\""; }
+      elsif ($fn =~ m/\.png/i)   { $cmd = "pngtopnm < \"$fn\""; }
        else {
          error "unrecognized file extension on $fn";
        }
        else {
          error "unrecognized file extension on $fn";
        }
diff --git a/hacks/vines.c b/hacks/vines.c

index 4c562f9d344811170efe55db40f374382269cfb3..f4151cd4c254604b70125f3d02cebde5ab581fd8 100644 (file)
--- a/hacks/vines.c
+++ b/hacks/vines.c
@@ -1,46 +1,77 @@
-/* -*- Mode: C; tab-width: 4 -*-
- * vines --- another geometric pattern generator.
- */
+/* -*- Mode: C; tab-width: 4 -*- */
+/* vines --- vine fractals */
+
  #if !defined( lint ) && !defined( SABER )
  #if !defined( lint ) && !defined( SABER )
-static const char sccsid[] = "@(#)vines.c      4.02 97/04/01 xlockmore";
+static const char sccsid[] = "@(#)vines.c      5.00 2000/11/01 xlockmore";
+
  #endif
  
  #endif
  
-/* xlockmore mode written by Tracy Camp
- * campt@hurrah.com 1997
- * released to the public domain
+/*-
+ * Copyright (c) 1997 by Tracy Camp campt@hurrah.com
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
   *
   *
+ * This file is provided AS IS with no warranties of any kind.  The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof.  In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * If you make a modification I would of course appreciate a copy.
+ *
+ * Revision History:
+ * 01-Nov-2000: Allocation checks
+ * 11-Jul-1997: David Hansen <dhansen@metapath.com>
+ *              Changed names to vines and modified draw loop
+ *              to honor batchcount so vines can be grown or plotted.
+ * 10-May-1997: Compatible with xscreensaver
+ * 21-Mar-1997: David Hansen <dhansen@metapath.com>
+ *              Updated mode to draw complete patterns on every
+ *              iteration instead of growing the vine.  Also made
+ *              adjustments to randomization and changed variable
+ *              names to make logic easier to follow.
+ */
+
+/*-
   * This was modifed from a 'screen saver' that a friend and I
   * wrote on our TI-8x calculators in high school physics one day
   * Basically another geometric pattern generator, this ones claim
   * to fame is a pseudo-fractal looking vine like pattern that creates
   * nifty whorls and loops.
   * This was modifed from a 'screen saver' that a friend and I
   * wrote on our TI-8x calculators in high school physics one day
   * Basically another geometric pattern generator, this ones claim
   * to fame is a pseudo-fractal looking vine like pattern that creates
   * nifty whorls and loops.
- *
- * Revision History:
- * 10-May-97: jwz@jwz.org: turned into a standalone program.
- * 21-Mar-97:  David Hansen <dhansen@metapath.com>
- *             Updated mode to draw complete patterns on every
- *             iteration instead of growing the vine.  Also made
- *             adjustments to randomization and changed variable
- *             names to make logic easier to follow.
   */
  
  #ifdef STANDALONE
   */
  
  #ifdef STANDALONE
-# define PROGCLASS                                     "Vines"
-# define HACK_INIT                                     init_vines
-# define HACK_DRAW                                     draw_vines
-# define vines_opts                                    xlockmore_opts
-# define DEFAULTS              "*delay:        200000 \n"                      \
-                                               "*ncolors:      64     \n"                      \
-                                               "*eraseSpeed:   400 \n"                 \
-                                               "*eraseMode:    -1 \n"
-# include "xlockmore.h"                                /* from the xscreensaver distribution */
-# include "erase.h"
-#else  /* !STANDALONE */
-# include "xlock.h"                                    /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-ModeSpecOpt vines_opts = {
-  0, NULL, 0, NULL, NULL };
+#define MODE_vines
+#define PROGCLASS "Vines"
+#define HACK_INIT init_vines
+#define HACK_DRAW draw_vines
+#define vines_opts xlockmore_opts
+#define DEFAULTS "*delay: 200000 \n" \
+ "*count: 0 \n" \
+ "*ncolors: 64 \n"
+#include "xlockmore.h"         /* in xscreensaver distribution */
+#include "erase.h"
+#else /* STANDALONE */
+#include "xlock.h"             /* in xlockmore distribution */
+#endif /* STANDALONE */
+
+#ifdef MODE_vines
+
+ModeSpecOpt vines_opts =
+{0, (XrmOptionDescRec *) NULL, 0, (argtype *) NULL, (OptionStruct *) NULL};
+
+#ifdef USE_MODULES
+ModStruct   vines_description =
+{"vines", "init_vines", "draw_vines", "release_vines",
+ "refresh_vines", "init_vines", (char *) NULL, &vines_opts,
+ 200000, 0, 1, 1, 64, 1.0, "",
+ "Shows fractals", 0, NULL};
+
+#endif
  
  typedef struct {
         int         a;
  
  typedef struct {
         int         a;
@@ -48,6 +79,7 @@ typedef struct {
         int         y1;
         int         x2;
         int         y2;
         int         y1;
         int         x2;
         int         y2;
+       int         i;
         int         length;
         int         iterations;
         int         constant;
         int         length;
         int         iterations;
         int         constant;
@@ -56,87 +88,102 @@ typedef struct {
         int         centery;
  } vinestruct;
  
         int         centery;
  } vinestruct;
  
-static vinestruct *vines = NULL;
+static vinestruct *vines = (vinestruct *) NULL;
  
  void
  refresh_vines(ModeInfo * mi)
  {
  
  void
  refresh_vines(ModeInfo * mi)
  {
-}
+       MI_CLEARWINDOW(mi);
+}                              /* refresh_vines */
  
  void
  init_vines(ModeInfo * mi)
  {
  
  void
  init_vines(ModeInfo * mi)
  {
-       Display    *display = MI_DISPLAY(mi);
         vinestruct *fp;
  
         if (vines == NULL) {
         vinestruct *fp;
  
         if (vines == NULL) {
-               if ((vines = (vinestruct *) calloc(MI_NUM_SCREENS(mi), sizeof (vinestruct))) == NULL) {
+               if ((vines = (vinestruct *) calloc(MI_NUM_SCREENS(mi),
+                                            sizeof (vinestruct))) == NULL) {
                         return;
                 }
         }
         fp = &vines[MI_SCREEN(mi)];
  
                         return;
                 }
         }
         fp = &vines[MI_SCREEN(mi)];
  
+       fp->i = 0;
+       fp->length = 0;
         fp->iterations = 30 + NRAND(100);
  
         fp->iterations = 30 + NRAND(100);
  
-       XClearWindow(display, MI_WINDOW(mi));
-}
+       MI_CLEARWINDOW(mi);
+}                              /* init_vines */
  
  void
  draw_vines(ModeInfo * mi)
  {
  
  void
  draw_vines(ModeInfo * mi)
  {
-       vinestruct *fp = &vines[MI_SCREEN(mi)];
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
         Display    *display = MI_DISPLAY(mi);
         GC          gc = MI_GC(mi);
-       int         i;
+       int         count;
+       vinestruct *fp;
+
+       if (vines == NULL)
+               return;
+       fp = &vines[MI_SCREEN(mi)];
  
  
-       if (--(fp->iterations) == 0) {
+       /* MI_IS_DRAWN(mi) = True; */
+       if (fp->i >= fp->length) {
+               if (--(fp->iterations) == 0) {
  #ifdef STANDALONE
           erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
  #endif /* STANDALONE */
  #ifdef STANDALONE
           erase_full_window(MI_DISPLAY(mi), MI_WINDOW(mi));
  #endif /* STANDALONE */
-         init_vines(mi);
+                       init_vines(mi);
+               }
+               fp->centerx = NRAND(MI_WIDTH(mi));
+               fp->centery = NRAND(MI_HEIGHT(mi));
+
+               fp->ang = 60 + NRAND(720);
+               fp->length = 100 + NRAND(3000);
+               fp->constant = fp->length * (10 + NRAND(10));
+
+               fp->i = 0;
+               fp->a = 0;
+               fp->x1 = 0;
+               fp->y1 = 0;
+               fp->x2 = 1;
+               fp->y2 = 0;
+
+               if (MI_NPIXELS(mi) > 2)
+                       XSetForeground(display, gc, MI_PIXEL(mi, NRAND(MI_NPIXELS(mi))));
+               else
+                       XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
         }
         }
+       count = fp->i + MI_COUNT(mi);
+       if ((count <= fp->i) || (count > fp->length))
+               count = fp->length;
  
  
-       fp->centerx = NRAND(MI_WIN_WIDTH(mi));
-       fp->centery = NRAND(MI_WIN_HEIGHT(mi));
-
-       fp->ang = 60 + NRAND(720);
-       fp->length = 100 + NRAND(3000);
-       fp->constant = fp->length * (10 + NRAND(10));
-
-       fp->a = 0;
-       fp->x1 = 0;
-       fp->y1 = 0;
-       fp->x2 = 1;
-       fp->y2 = 0;
-
-       if (MI_NPIXELS(mi) > 2)
-               XSetForeground(display, gc, MI_PIXEL(mi, NRAND(MI_NPIXELS(mi))));
-       else
-               XSetForeground(display, gc, MI_WIN_WHITE_PIXEL(mi));
-
-
-       for (i = 0; i < fp->length; i++) {
+       while (fp->i < count) {
                 XDrawLine(display, MI_WINDOW(mi), gc,
                           fp->centerx + (fp->x1 / fp->constant),
                           fp->centery - (fp->y1 / fp->constant),
                           fp->centerx + (fp->x2 / fp->constant),
                           fp->centery - (fp->y2 / fp->constant));
  
                 XDrawLine(display, MI_WINDOW(mi), gc,
                           fp->centerx + (fp->x1 / fp->constant),
                           fp->centery - (fp->y1 / fp->constant),
                           fp->centerx + (fp->x2 / fp->constant),
                           fp->centery - (fp->y2 / fp->constant));
  
-               fp->a += (fp->ang * i);
+               fp->a += (fp->ang * fp->i);
  
                 fp->x1 = fp->x2;
                 fp->y1 = fp->y2;
  
  
                 fp->x1 = fp->x2;
                 fp->y1 = fp->y2;
  
-               fp->x2 += (int) (i * ((cos(fp->a) * 360) / (2 * M_PI)));
-               fp->y2 += (int) (i * ((sin(fp->a) * 360) / (2 * M_PI)));
+               fp->x2 += (int) (fp->i * (cos((double) fp->a) * 360.0) / (2.0 * M_PI));
+               fp->y2 += (int) (fp->i * (sin((double) fp->a) * 360.0) / (2.0 * M_PI));
+               fp->i++;
         }
         }
-}
+}                              /* draw_vines */
  
  void
  release_vines(ModeInfo * mi)
  {
         if (vines != NULL) {
                 (void) free((void *) vines);
  
  void
  release_vines(ModeInfo * mi)
  {
         if (vines != NULL) {
                 (void) free((void *) vines);
-               vines = NULL;
+               vines = (vinestruct *) NULL;
         }
         }
-}
+}                              /* release_vines */
+
+#endif /* MODE_vines */
diff --git a/hacks/wander.c b/hacks/wander.c

index d64bdd519f5f336cb60b0514fc90217c31a320f7..8938ccad1f68e4c41a68dbbb2926e94f6e886cf2 100644 (file)
--- a/hacks/wander.c
+++ b/hacks/wander.c
@@ -174,6 +174,8 @@ char *progclass = "Wander";
  
  char *defaults [] =
  {
  
  char *defaults [] =
  {
+    ".background: black",
+    ".foreground: white",
      ".advance:    1",
      ".density:    2",
      ".length:     25000",
      ".advance:    1",
      ".density:    2",
      ".length:     25000",
diff --git a/hacks/webcollage b/hacks/webcollage

index 330a363d5d395848565071aa945af2acaddc8cd2..bb3c66ef6ded01d0434310ae4c87528fb52b21b9 100755 (executable)
--- a/hacks/webcollage
+++ b/hacks/webcollage
@@ -1,6 +1,6 @@
  #!/usr/bin/perl -w
  #
  #!/usr/bin/perl -w
  #
-# webcollage, Copyright (c) 1999-2001 by Jamie Zawinski <jwz@jwz.org>
+# webcollage, Copyright (c) 1999-2002 by Jamie Zawinski <jwz@jwz.org>
  # This program decorates the screen with random images from the web.
  # One satisfied customer described it as "a nonstop pop culture brainbath."
  #
  # This program decorates the screen with random images from the web.
  # One satisfied customer described it as "a nonstop pop culture brainbath."
  #
@@ -35,8 +35,8 @@ use POSIX qw(strftime);
  
  
  my $progname = $0; $progname =~ s@.*/@@g;
  
  
  my $progname = $0; $progname =~ s@.*/@@g;
-my $version = q{ $Revision: 1.82 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
-my $copyright = "WebCollage $version, Copyright (c) 1999-2001" .
+my $version = q{ $Revision: 1.87 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
+my $copyright = "WebCollage $version, Copyright (c) 1999-2002" .
      " Jamie Zawinski <jwz\@jwz.org>\n" .
      "            http://www.jwz.org/xscreensaver/\n";
  
      " Jamie Zawinski <jwz\@jwz.org>\n" .
      "            http://www.jwz.org/xscreensaver/\n";
  
@@ -56,16 +56,14 @@ my @search_methods = (  30, "imagevista", \&pick_from_alta_vista_images,
                       #   0, "hotbot",     \&pick_from_hotbot_text,
                        );
  
                       #   0, "hotbot",     \&pick_from_hotbot_text,
                        );
  
-#@search_methods=(100, "googleimgs",\&pick_from_google_images);
-
  # programs we can use to write to the root window (tried in ascending order.)
  #
  my @root_displayers = (
  # programs we can use to write to the root window (tried in ascending order.)
  #
  my @root_displayers = (
-  "xloadimage -quiet -onroot -center -border black",
-  "xli        -quiet -onroot -center -border black",
-  "xv         -root -quit -viewonly +noresetroot -rmode 5" .
+  "chbg       -once -xscreensaver -max_size 100",
+  "xv         -root -quit -viewonly -noresetroot -quick24 -rmode 5" .
    "           -rfg black -rbg black",
    "           -rfg black -rbg black",
-  "chbg       -once -xscreensaver",
+  "xli        -quiet -onroot -center -border black",
+  "xloadimage -quiet -onroot -center -border black",
  
  # this lame program wasn't built with vroot.h:
  # "xsri       -scale -keep-aspect -center-horizontal -center-vertical",
  
  # this lame program wasn't built with vroot.h:
  # "xsri       -scale -keep-aspect -center-horizontal -center-vertical",
@@ -85,6 +83,20 @@ my %cookies = (
  );
  
  
  );
  
  
+# If this is set, it's a helper program to use for pasting images together:
+# this is a lot faster and more efficient than using PPM pipelines, which is
+# what we do if this program doesn't exist.  (We check for "webcollage-helper"
+# on $PATH at startup, and set this variable appropriately.)
+#
+my $webcollage_helper = undef;
+
+
+# If we have the webcollage-helper program, then it will paste the images
+# together with transparency!  0.0 is invisible, 1.0 is totally opaque.
+#
+my $opacity = 0.85;
+
+
  # Some sites have  managed to poison the search engines.  These are they.
  # (We auto-detect sites that have poisoned the search engines via excessive
  # keywords or dictionary words,  but these are ones that slip through
  # Some sites have  managed to poison the search engines.  These are they.
  # (We auto-detect sites that have poisoned the search engines via excessive
  # keywords or dictionary words,  but these are ones that slip through
@@ -104,6 +116,9 @@ my %poisoners = (
    "bartleby.com"            => 1,  # Dictionary, cluttering altavista.
    "encyclopedia.com"        => 1,  # Dictionary, cluttering altavista.
    "onlinedictionary.datasegment.com" => 1,  # Dictionary, cluttering altavista.
    "bartleby.com"            => 1,  # Dictionary, cluttering altavista.
    "encyclopedia.com"        => 1,  # Dictionary, cluttering altavista.
    "onlinedictionary.datasegment.com" => 1,  # Dictionary, cluttering altavista.
+  "hotlinkpics.com"         => 1,  # Porn site that has poisoned imagevista
+                                   # (I don't see how they did it, though!)
+  "alwayshotels.com"        => 1,  # Poisoned Lycos pretty heavily.
  );
  
  
  );
  
  
@@ -276,7 +291,7 @@ sub get_document_1 {
          LOG ($verbose_http, "  ==> $_");
        }
        print S $hdrs;
          LOG ($verbose_http, "  ==> $_");
        }
        print S $hdrs;
-      my $http = <S>;
+      my $http = <S> || "";
  
        $_  = $http;
        s/[\r\n]+$//s;
  
        $_  = $http;
        s/[\r\n]+$//s;
@@ -704,10 +719,12 @@ sub random_word {
  }
  
  sub random_words {
  }
  
  sub random_words {
-  return (random_word . "%20" .
-          random_word . "%20" .
-          random_word . "%20" .
-          random_word . "%20" .
+  my ($or_p) = @_;
+  my $sep = ($or_p ? "%20OR%20" : "%20");
+  return (random_word . $sep .
+          random_word . $sep .
+          random_word . $sep .
+          random_word . $sep .
            random_word);
  }
  
            random_word);
  }
  
@@ -976,7 +993,7 @@ my $alta_vista_images_url = "http://www.altavista.com/cgi-bin/query" .
  sub pick_from_alta_vista_images {
    my ( $timeout ) = @_;
  
  sub pick_from_alta_vista_images {
    my ( $timeout ) = @_;
  
-  my $words = random_words;
+  my $words = random_words(1);
    my $page = (int(rand(9)) + 1);
    my $search_url = $alta_vista_images_url . $words;
  
    my $page = (int(rand(9)) + 1);
    my $search_url = $alta_vista_images_url . $words;
  
@@ -1082,7 +1099,7 @@ my $alta_vista_url = $alta_vista_url_2;
  sub pick_from_alta_vista_text {
    my ( $timeout ) = @_;
  
  sub pick_from_alta_vista_text {
    my ( $timeout ) = @_;
  
-  my $words = random_words;
+  my $words = random_words(1);
    my $page = (int(rand(9)) + 1);
    my $search_url = $alta_vista_url . $words;
  
    my $page = (int(rand(9)) + 1);
    my $search_url = $alta_vista_url . $words;
  
@@ -1137,7 +1154,7 @@ my $hotbot_search_url = "http://hotbot.lycos.com/" .
  sub pick_from_hotbot_text {
    my ( $timeout ) = @_;
  
  sub pick_from_hotbot_text {
    my ( $timeout ) = @_;
  
-  my $words = random_words;
+  my $words = random_words(0);
    my $search_url = $hotbot_search_url . $words;
  
    my ($search_hit_count, @subpages) =
    my $search_url = $hotbot_search_url . $words;
  
    my ($search_hit_count, @subpages) =
@@ -1174,7 +1191,7 @@ my $lycos_search_url = "http://lycospro.lycos.com/srchpro/" .
  sub pick_from_lycos_text {
    my ( $timeout ) = @_;
  
  sub pick_from_lycos_text {
    my ( $timeout ) = @_;
  
-  my $words = random_words;
+  my $words = random_words(0);
    my $start = int(rand(8)) * 10 + 1;
    my $search_url = $lycos_search_url . $words . "&start=$start";
  
    my $start = int(rand(8)) * 10 + 1;
    my $search_url = $lycos_search_url . $words . "&start=$start";
  
@@ -1213,7 +1230,7 @@ my $yahoo_news_url = "http://search.news.yahoo.com/search/news_photos?" .
  sub pick_from_yahoo_news_text {
    my ( $timeout ) = @_;
  
  sub pick_from_yahoo_news_text {
    my ( $timeout ) = @_;
  
-  my $words = random_words;
+  my $words = random_words(1);
    my $search_url = $yahoo_news_url . $words;
  
    my ($search_hit_count, @subpages) =
    my $search_url = $yahoo_news_url . $words;
  
    my ($search_hit_count, @subpages) =
@@ -1222,7 +1239,8 @@ sub pick_from_yahoo_news_text {
    my @candidates = ();
    foreach my $u (@subpages) {
      # only accept URLs on Yahoo's news site
    my @candidates = ();
    foreach my $u (@subpages) {
      # only accept URLs on Yahoo's news site
-    next unless ($u =~ m@^http://dailynews.yahoo.com/@i);
+    next unless ($u =~ m@^http://dailynews\.yahoo\.com/@i ||
+                 $u =~ m@^http://story\.news\.yahoo\.com/@i);
  
      LOG ($verbose_filter, "  candidate: $u");
      push @candidates, $u;
  
      LOG ($verbose_filter, "  candidate: $u");
      push @candidates, $u;
@@ -1810,9 +1828,27 @@ my $ppm_to_root_window_cmd = undef;
  
  sub x_or_pbm_output {
  
  
  sub x_or_pbm_output {
  
+  # Check for our helper program, to see whether we need to use PPM pipelines.
+  #
+  $_ = "webcollage-helper";
+  if (defined ($webcollage_helper) || which ($_)) {
+    $webcollage_helper = $_ unless (defined($webcollage_helper));
+    LOG ($verbose_pbm, "found \"$webcollage_helper\"");
+    $webcollage_helper .= " -v";
+  } else {
+    LOG (($verbose_pbm || $verbose_load), "no $_ program");
+  }
+
    # make sure the various programs we execute exist, right up front.
    #
    # make sure the various programs we execute exist, right up front.
    #
-  foreach ("ppmmake", "giftopnm", "djpeg", "pnmpaste", "pnmscale", "pnmcut") {
+  my @progs = ("ppmmake");  # always need this one
+
+  if (!defined($webcollage_helper)) {
+    # Only need these others if we don't have the helper.
+    @progs = (@progs, "giftopnm", "djpeg", "pnmpaste", "pnmscale", "pnmcut");
+  }
+
+  foreach (@progs) {
      which ($_) || error "$_ not found on \$PATH.";
    }
  
      which ($_) || error "$_ not found on \$PATH.";
    }
  
@@ -1940,11 +1976,34 @@ sub paste_image {
  
    LOG ($verbose_pbm, "got $img (" . length($body) . ")");
  
  
    LOG ($verbose_pbm, "got $img (" . length($body) . ")");
  
-  my ($iw, $ih) = image_to_pnm ($img, $body, $image_tmp1);
-  $body = undef;
-  if (!$iw || !$ih) {
-    LOG ($verbose_pbm, "unable to make PBM from $img");
-    return 0;
+  my ($iw, $ih);
+
+  if (defined ($webcollage_helper)) {
+
+    ($iw, $ih) = image_size ($body);
+    if (!$iw || !$ih) {
+      LOG (($verbose_pbm || $verbose_load),
+           "not a GIF or JPG" .
+           (($body =~ m@<(base|html|head|body|script|table|a href)>@i)
+            ? " (looks like HTML)" : "") .
+           ": $img");
+      $suppress_audit = 1;
+      $body = undef;
+      return 0;
+    }
+
+    local *OUT;
+    open (OUT, ">$image_tmp1") || error ("writing $image_tmp1: $!");
+    print OUT $body || error ("writing $image_tmp1: $!");
+    close OUT || error ("writing $image_tmp1: $!");
+
+  } else {
+    ($iw, $ih) = image_to_pnm ($img, $body, $image_tmp1);
+    $body = undef;
+    if (!$iw || !$ih) {
+      LOG ($verbose_pbm, "unable to make PBM from $img");
+      return 0;
+    }
    }
  
    record_success ($load_method, $img, $base);
    }
  
    record_success ($load_method, $img, $base);
@@ -1981,6 +2040,7 @@ sub paste_image {
    my $target_h = $img_height;
  
    my $cmd = "";
    my $target_h = $img_height;
  
    my $cmd = "";
+  my $scale = 1.0;
  
  
    # Usually scale the image to fit on the screen -- but sometimes scale it
  
  
    # Usually scale the image to fit on the screen -- but sometimes scale it
@@ -1988,8 +2048,8 @@ sub paste_image {
    # scale it to fit, we instead cut it in half until it fits -- that should
    # give a wider distribution of sizes.
    #
    # scale it to fit, we instead cut it in half until it fits -- that should
    # give a wider distribution of sizes.
    #
-  if (rand() < 0.3) { $target_w /= 2; $target_h /= 2; }
-  if (rand() < 0.3) { $target_w /= 2; $target_h /= 2; }
+  if (rand() < 0.3) { $target_w /= 2; $target_h /= 2; $scale /= 2; }
+  if (rand() < 0.3) { $target_w /= 2; $target_h /= 2; $scale /= 2; }
  
    if ($iw > $target_w || $ih > $target_h) {
      while ($iw > $target_w ||
  
    if ($iw > $target_w || $ih > $target_h) {
      while ($iw > $target_w ||
@@ -2102,23 +2162,46 @@ sub paste_image {
  
    $cmd =~ s@^ *\| *@@;
  
  
    $cmd =~ s@^ *\| *@@;
  
-  $_ = "($cmd)";
-  $_ .= " < $image_tmp1 > $image_tmp2";
+  if (defined ($webcollage_helper)) {
+    $cmd = "$webcollage_helper $image_tmp1 $image_ppm " .
+                              "$scale $opacity " .
+                              "$crop_x $crop_y $x $y " .
+                              "$iw $ih";
+    $_ = $cmd;
+
+  } else {
+    # use a PPM pipeline
+    $_ = "($cmd)";
+    $_ .= " < $image_tmp1 > $image_tmp2";
+  }
  
    if ($verbose_pbm) {
      $_ = "($_) 2>&1 | sed s'/^/" . blurb() . "/'";
    } else {
      $_ .= " 2> /dev/null";
    }
  
    if ($verbose_pbm) {
      $_ = "($_) 2>&1 | sed s'/^/" . blurb() . "/'";
    } else {
      $_ .= " 2> /dev/null";
    }
+
    my $rc = nontrapping_system ($_);
  
    my $rc = nontrapping_system ($_);
  
+  if (defined ($webcollage_helper) && -z $image_ppm) {
+    LOG (1, "failed command: \"$cmd\"");
+    print STDERR "\naudit log:\n\n\n";
+    print STDERR ("#" x 78) . "\n";
+    print STDERR blurb() . "$image_ppm has zero size\n";
+    showlog();
+    print STDERR "\n\n";
+    exit (1);
+  }
+
    if ($rc != 0) {
      LOG (($verbose_pbm || $verbose_load), "failed command: \"$cmd\"");
      LOG (($verbose_pbm || $verbose_load), "failed URL: \"$img\" (${ow}x$oh)");
      return;
    }
  
    if ($rc != 0) {
      LOG (($verbose_pbm || $verbose_load), "failed command: \"$cmd\"");
      LOG (($verbose_pbm || $verbose_load), "failed URL: \"$img\" (${ow}x$oh)");
      return;
    }
  
-  rename ($image_tmp2, $image_ppm) || return;
+  if (!defined ($webcollage_helper)) {
+    rename ($image_tmp2, $image_ppm) || return;
+  }
  
    my $target = "$image_ppm";
  
  
    my $target = "$image_ppm";
  
@@ -2231,6 +2314,24 @@ sub main {
        $http_proxy = shift @ARGV;
      } elsif ($_ eq "-dictionary" || $_ eq "-dict") {
        $dict = shift @ARGV;
        $http_proxy = shift @ARGV;
      } elsif ($_ eq "-dictionary" || $_ eq "-dict") {
        $dict = shift @ARGV;
+    } elsif ($_ eq "-debug" || $_ eq "--debug") {
+      my $which = shift @ARGV;
+      my @rest = @search_methods;
+      my $ok = 0;
+      while (@rest) {
+        my $pct  = shift @rest;
+        my $name = shift @rest;
+        my $tfn  = shift @rest;
+
+        if ($name eq $which) {
+          @search_methods = (100, $name, $tfn);
+          $ok = 1;
+          last;
+        }
+      }
+      error "no such search method as \"$which\"" unless ($ok);
+      LOG (1, "DEBUG: using only \"$which\"");
+
      } else {
        print STDERR "$copyright\nusage: $progname [-root]" .
                   " [-display dpy] [-root] [-verbose] [-timeout secs]\n" .
      } else {
        print STDERR "$copyright\nusage: $progname [-root]" .
                   " [-display dpy] [-root] [-verbose] [-timeout secs]\n" .
diff --git a/hacks/webcollage-helper.c b/hacks/webcollage-helper.c

new file mode 100644 (file)

index 0000000..0b95dc5
--- /dev/null
+++ b/hacks/webcollage-helper.c
@@ -0,0 +1,360 @@
+/* webcollage-helper --- scales and pastes one image into another
+ * xscreensaver, Copyright (c) 2002 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#if defined(HAVE_GDK_PIXBUF) && defined(HAVE_JPEGLIB)  /* whole file */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <jpeglib.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+
+char *progname;
+static int verbose_p = 0;
+
+static void add_jpeg_comment (struct jpeg_compress_struct *cinfo);
+static void write_pixbuf (GdkPixbuf *pb, const char *file);
+
+
+static void
+paste (const char *paste_file,
+       const char *base_file,
+       double from_scale,
+       double opacity,
+       int from_x, int from_y, int to_x, int to_y,
+       int w, int h)
+{
+  GdkPixbuf *paste_pb;
+  GdkPixbuf *base_pb;
+
+  int paste_w, paste_h;
+  int base_w, base_h;
+
+  paste_pb = gdk_pixbuf_new_from_file (paste_file);
+
+  if (!paste_pb)
+    {
+      fprintf (stderr, "%s: unable to load %s\n", progname, paste_file);
+      exit (1);
+    }
+
+  base_pb = gdk_pixbuf_new_from_file (base_file);
+  if (!base_pb)
+    {
+      fprintf (stderr, "%s: unable to load %s\n", progname, base_file);
+      exit (1);
+    }
+
+  paste_w = gdk_pixbuf_get_width (paste_pb);
+  paste_h = gdk_pixbuf_get_height (paste_pb);
+
+  base_w = gdk_pixbuf_get_width (base_pb);
+  base_h = gdk_pixbuf_get_height (base_pb);
+
+  if (verbose_p)
+    {
+      fprintf (stderr, "%s: loaded %s: %dx%d\n",
+               progname, base_file, base_w, base_h);
+      fprintf (stderr, "%s: loaded %s: %dx%d\n",
+               progname, paste_file, paste_w, paste_h);
+    }
+
+  if (from_scale != 1.0)
+    {
+      int new_w = paste_w * from_scale;
+      int new_h = paste_h * from_scale;
+      GdkPixbuf *new_pb = gdk_pixbuf_scale_simple (paste_pb, new_w, new_h,
+                                                   GDK_INTERP_HYPER);
+      gdk_pixbuf_unref (paste_pb);
+      paste_pb = new_pb;
+      paste_w = gdk_pixbuf_get_width (paste_pb);
+      paste_h = gdk_pixbuf_get_height (paste_pb);
+
+      if (verbose_p)
+        fprintf (stderr, "%s: %s: scaled to %dx%d (%.2f)\n",
+                 progname, paste_file, paste_w, paste_h, from_scale);
+    }
+
+  if (w == 0) w = paste_w - from_x;
+  if (h == 0) h = paste_h - from_y;
+
+  {
+    int ofx = from_x;
+    int ofy = from_y;
+    int otx = to_x;
+    int oty = to_y;
+    int ow = w;
+    int oh = h;
+
+    int clipped = 0;
+
+    if (from_x < 0)            /* from left out of bounds */
+      {
+        w += from_x;
+        from_x = 0;
+        clipped = 1;
+      }
+
+    if (from_y < 0)            /* from top out of bounds */
+      {
+        h += from_y;
+        from_y = 0;
+        clipped = 1;
+      }
+
+    if (to_x < 0)              /* to left out of bounds */
+      {
+        w += to_x;
+        from_x -= to_x;
+        to_x = 0;
+        clipped = 1;
+      }
+
+    if (to_y < 0)              /* to top out of bounds */
+      {
+        h += to_y;
+        from_y -= to_y;
+        to_y = 0;
+        clipped = 1;
+      }
+
+    if (from_x + w > paste_w)  /* from right out of bounds */
+      {
+        w = paste_w - from_x;
+        clipped = 1;
+      }
+
+    if (from_y + h > paste_h)  /* from bottom out of bounds */
+      {
+        h = paste_h - from_y;
+        clipped = 1;
+      }
+
+    if (to_x + w > base_w)     /* to right out of bounds */
+      {
+        w = base_w - to_x;
+        clipped = 1;
+      }
+
+    if (to_y + h > base_h)     /* to bottom out of bounds */
+      {
+        h = base_h - to_y;
+        clipped = 1;
+      }
+
+
+    if (clipped && verbose_p)
+      {
+        fprintf (stderr, "clipped from: %dx%d %d,%d %d,%d\n",
+                 ow, oh, ofx, ofy, otx, oty);
+        fprintf (stderr, "clipped   to: %dx%d %d,%d %d,%d\n",
+                 w, h, from_x, from_y, to_x, to_y);
+      }
+  }
+
+  if (opacity == 1.0)
+    gdk_pixbuf_copy_area (paste_pb,
+                          from_x, from_y, w, h,
+                          base_pb,
+                          to_x, to_y);
+  else
+    gdk_pixbuf_composite (paste_pb, base_pb,
+                          to_x, to_y, w, h,
+                          to_x - from_x, to_y - from_y,
+                          1.0, 1.0,
+                          GDK_INTERP_HYPER,
+                          opacity * 255);
+
+  if (verbose_p)
+    fprintf (stderr, "%s: pasted %dx%d from %d,%d to %d,%d\n",
+             progname, paste_w, paste_h, from_x, from_y, to_x, to_y);
+
+  gdk_pixbuf_unref (paste_pb);
+  write_pixbuf (base_pb, base_file);
+  gdk_pixbuf_unref (base_pb);
+}
+
+
+static void
+write_pixbuf (GdkPixbuf *pb, const char *file)
+{
+  int jpeg_quality = 85;
+
+  int w = gdk_pixbuf_get_width (pb);
+  int h = gdk_pixbuf_get_height (pb);
+  guchar *data = gdk_pixbuf_get_pixels (pb);
+  int ww = gdk_pixbuf_get_rowstride (pb);
+  int channels = gdk_pixbuf_get_n_channels (pb);
+
+  struct jpeg_compress_struct cinfo;
+  struct jpeg_error_mgr jerr;
+  FILE *out;
+
+  if (channels != 3)
+    {
+      fprintf (stderr, "%s: %d channels?\n", progname);
+      exit (1);
+    }
+
+  cinfo.err = jpeg_std_error (&jerr);
+  jpeg_create_compress (&cinfo);
+
+  out = fopen (file, "wb");
+  if (!out)
+    {
+      char buf[255];
+      sprintf (buf, "%.100s: %.100s", progname, file);
+      perror (buf);
+      exit (1);
+    }
+  else if (verbose_p)
+    fprintf (stderr, "%s: writing %s...", progname, file);
+
+  jpeg_stdio_dest (&cinfo, out);
+
+  cinfo.image_width = w;
+  cinfo.image_height = h;
+  cinfo.input_components = channels;
+  cinfo.in_color_space = JCS_RGB;
+
+  jpeg_set_defaults (&cinfo);
+  cinfo.progressive_mode = TRUE;
+  jpeg_set_quality (&cinfo, jpeg_quality, TRUE);
+
+  jpeg_start_compress (&cinfo, TRUE);
+  add_jpeg_comment (&cinfo);
+
+  {
+    guchar *d = data;
+    guchar *end = d + (ww * h);
+    while (d < end)
+      {
+        jpeg_write_scanlines (&cinfo, &d, 1);
+        d += ww;
+      }
+  }
+
+  jpeg_finish_compress (&cinfo);
+  jpeg_destroy_compress (&cinfo);
+
+  if (verbose_p)
+    {
+      struct stat st;
+      fflush (out);
+      if (fstat (fileno (out), &st))
+        {
+          char buf[255];
+          sprintf (buf, "%.100s: %.100s", progname, file);
+          perror (buf);
+          exit (1);
+        }
+      fprintf (stderr, " %dK\n", (st.st_size + 1023) / 1024);
+    }
+
+  fclose (out);
+}
+
+
+static void
+add_jpeg_comment (struct jpeg_compress_struct *cinfo)
+{
+  time_t now = time ((time_t *) 0);
+  struct tm *tm = localtime (&now);
+  const char fmt[] =
+    "\r\n"
+    "    Generated by WebCollage: Exterminate All Rational Thought. \r\n"
+    "    Copyright (c) 1999-%Y by Jamie Zawinski <jwz@jwz.org> \r\n"
+    "\r\n"
+    "        http://www.jwz.org/webcollage/ \r\n"
+    "\r\n"
+    "    This is what the web looked like on %d %b %Y at %I:%M:%S %p %Z. \r\n"
+    "\r\n";
+  char comment[sizeof(fmt) + 100];
+  strftime (comment, sizeof(comment)-1, fmt, tm);
+  jpeg_write_marker (cinfo, JPEG_COM, comment, strlen (comment));
+}
+
+
+static void
+usage (void)
+{
+  fprintf (stderr, "usage: %s [-v] paste-file base-file\n"
+           "\t from-scale opacity\n"
+           "\t from-x from-y to-x to-y w h\n"
+           "\n"
+           "\t Pastes paste-file into base-file.\n"
+           "\t base-file will be overwritten (with JPEG data.)\n"
+           "\t scaling is applied first: coordinates apply to scaled image.\n",
+           progname);
+  exit (1);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  int i;
+  char *paste_file, *base_file, *s, dummy;
+  double from_scale, opacity;
+  int from_x, from_y, to_x, to_y, w, h;
+
+  i = 0;
+  progname = argv[i++];
+  s = strrchr (progname, '/');
+  if (s) progname = s+1;
+
+  if (argc != 11 && argc != 12) usage();
+
+  if (!strcmp(argv[i], "-v"))
+    verbose_p++, i++;
+
+  paste_file = argv[i++];
+  base_file = argv[i++];
+
+  if (*paste_file == '-') usage();
+  if (*base_file == '-') usage();
+
+  s = argv[i++];
+  if (1 != sscanf (s, " %lf %c", &from_scale, &dummy)) usage();
+  if (from_scale <= 0 || from_scale > 100) usage();
+
+  s = argv[i++];
+  if (1 != sscanf (s, " %lf %c", &opacity, &dummy)) usage();
+  if (opacity <= 0 || opacity > 1) usage();
+
+  s = argv[i++]; if (1 != sscanf (s, " %d %c", &from_x, &dummy)) usage();
+  s = argv[i++]; if (1 != sscanf (s, " %d %c", &from_y, &dummy)) usage();
+  s = argv[i++]; if (1 != sscanf (s, " %d %c", &to_x, &dummy)) usage();
+  s = argv[i++]; if (1 != sscanf (s, " %d %c", &to_y, &dummy)) usage();
+  s = argv[i++]; if (1 != sscanf (s, " %d %c", &w, &dummy)) usage();
+  s = argv[i++]; if (1 != sscanf (s, " %d %c", &h, &dummy)) usage();
+
+  if (w < 0) usage();
+  if (h < 0) usage();
+
+  paste (paste_file, base_file,
+         from_scale, opacity,
+         from_x, from_y, to_x, to_y,
+         w, h);
+  exit (0);
+}
+
+#endif /* HAVE_GDK_PIXBUF && HAVE_JPEGLIB -- whole file */
diff --git a/hacks/whirlygig.c b/hacks/whirlygig.c

index 4f550c28f91da16c315d0490d272bf09aadb5cb3..3757f961be79a3894a8599351955f474f618208c 100644 (file)
--- a/hacks/whirlygig.c
+++ b/hacks/whirlygig.c
@@ -16,7 +16,7 @@
  #include <math.h>
  #include "screenhack.h"
  
  #include <math.h>
  #include "screenhack.h"
  
-#define NCOLORS 1000
+#define NCOLORS 100
  #define FULL_CYCLE 429496729
  #define START_ARC 0
  #define END_ARC 23040
  #define FULL_CYCLE 429496729
  #define START_ARC 0
  #define END_ARC 23040
diff --git a/hacks/xflame.c b/hacks/xflame.c

index bd2be990f36923e8e5da306fb6affb39ad702ba9..d3f2ed5c4857b130ec042a54e291b741def462b7 100644 (file)
--- a/hacks/xflame.c
+++ b/hacks/xflame.c
@@ -40,6 +40,7 @@
         - General cleanup and portability tweaks.
  
     * 4-Oct-99, jwz: added support for packed-24bpp (versus 32bpp.)
         - General cleanup and portability tweaks.
  
     * 4-Oct-99, jwz: added support for packed-24bpp (versus 32bpp.)
+   * 16-Jan-2002, jwz: added gdk_pixbuf support.
  
   */
  
  
   */
  
@@ -48,6 +49,7 @@
  
  
  #include "screenhack.h"
  
  
  #include "screenhack.h"
+#include "xpm-pixmap.h"
  #include <X11/Xutil.h>
  #include <limits.h>
  
  #include <X11/Xutil.h>
  #include <limits.h>
  
@@ -55,21 +57,6 @@
  # include "xshm.h"
  #endif /* HAVE_XSHM_EXTENSION */
  
  # include "xshm.h"
  #endif /* HAVE_XSHM_EXTENSION */
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-# ifndef PIXEL_ALREADY_TYPEDEFED
-#  define PIXEL_ALREADY_TYPEDEFED /* Sigh, Xmu/Drawing.h needs this... */
-# endif
-#endif
-
-#ifdef HAVE_XMU
-# ifndef VMS
-#  include <X11/Xmu/Drawing.h>
-# else  /* VMS */
-#  include <Xmu/Drawing.h>
-# endif /* VMS */
-#endif /* HAVE_XMU */
-
  #include "images/bob.xbm"
  
  #define MAX_VAL             255
  #include "images/bob.xbm"
  
  #define MAX_VAL             255
@@ -640,115 +627,41 @@ loadBitmap(int *w, int *h)
      }
    else  /* load a bitmap file */
      {
      }
    else  /* load a bitmap file */
      {
-#ifdef HAVE_XPM
-      XpmInfo xpm_info = { 0, };
-      XpmImage xpm_image = { 0, };
-
-      int result = XpmReadFileToXpmImage (bitmap_name, &xpm_image, &xpm_info);
-      if (result == XpmSuccess)
-        {
-          int x, y;
-          unsigned char *result, *o;
-          unsigned char *grays;
-          XWindowAttributes xgwa;
-
-          *w = xpm_image.width;
-          *h = xpm_image.height;
-          result = (unsigned char *) malloc ((*w) * (*h));
-          if (!result)
-            {
-              fprintf(stderr, "%s: out of memory loading %s\n",
-                      progname, bitmap_name);
-              exit (1);
-            }
-
-          XGetWindowAttributes (display, window, &xgwa);
-
-          grays = (unsigned char *) calloc (xpm_image.ncolors+1, 1);
-          for (x = 0; x < xpm_image.ncolors; x++)
-            {
-              XColor xc;
-              XpmColor *xpmc = &xpm_image.colorTable[x];
-              char *cstring = 0;
-              if (xpmc->g_color && *xpmc->g_color)
-                cstring = xpmc->g_color;
-              else if (xpmc->g4_color && *xpmc->g4_color)
-                cstring = xpmc->g4_color;
-              else if (xpmc->c_color && *xpmc->c_color)
-                cstring = xpmc->c_color;
-              else
-                cstring = xpmc->m_color;
-
-              memset (&xc, 0, sizeof(xc));
-              if (!cstring ||
-                  !*cstring ||
-                  !XParseColor (display, xgwa.colormap, cstring, &xc))
-                grays[x] = 0;
-              else
-                grays[x] = (int) (((xc.red   * 0.299) +
-                                   (xc.green * 0.587) +
-                                   (xc.blue  * 0.114))
-                                  / 255);
-            }
-
-          o = result;
-          for (y = 0; y < *h; y++)
-            for (x = 0; x < *w; x++)
-              {
-                int color = xpm_image.data[(y * (*w)) + x];
-                if (color < 0 || color > xpm_image.ncolors) abort();
-                *o++ = grays[color];
-              }
-          return result;
-        }
-      else      /* failed to read XPM -- fall through and try XBM */
-#endif /* HAVE_XPM */
-        {
-#ifdef HAVE_XMU
-          XImage *ximage = 0;
-          int width, height, xh, yh;
-          int x, y;
-          unsigned char *result, *o;
-          Pixmap bitmap =
-            XmuLocateBitmapFile (DefaultScreenOfDisplay (display),
-                                 bitmap_name, 0, 0, &width, &height, &xh, &yh);
-          if (!bitmap)
-            {
-              fprintf(stderr, "%s: unable to load bitmap file %s\n",
-                      progname, bitmap_name);
-              exit (1);
-            }
-          ximage = XGetImage (display, bitmap, 0, 0, width, height,
-                              1L, XYPixmap);
-          XFreePixmap (display, bitmap);
-
-          if (ximage->depth != 1) abort();
-
-          *w = ximage->width;
-          *h = ximage->height;
-          result = (unsigned char *) malloc ((*w) * (*h));
-          if (!result)
-            {
-              fprintf(stderr, "%s: out of memory loading %s\n",
-                      progname, bitmap_name);
-              exit (1);
-            }
-
-          o = result;
-          for (y = 0; y < *h; y++)
-            for (x = 0; x < *w; x++)
-              *o++ = (XGetPixel(ximage, x, y) ? 255 : 0);
-
-          return result;
+      Pixmap pixmap =
+        xpm_file_to_pixmap (display, window, bitmap_name, &width, &height, 0);
+      XImage *image;
+      int x, y;
+      unsigned char *result, *o;
  
  
-#else  /* !XMU */
-          fprintf (stderr,
-                   "%s: your vendor doesn't ship the standard Xmu library.\n",
-                   progname);
-          fprintf (stderr, "\tWe can't load XBM files without it.\n");
-          exit (1);
-#endif /* !XMU */
-        }
+      image = XGetImage (display, pixmap, 0, 0, width, height, ~0L, ZPixmap);
+      XFreePixmap(display, pixmap);
+
+      result = (unsigned char *) malloc (width * height);
+      o = result;
+      for (y = 0; y < height; y++)
+        for (x = 0; x < width; x++)
+          {
+            int rgba = XGetPixel (image, x, y);
+            /* This is *so* not handling all the cases... */
+            int gray = (image->depth > 16
+                        ? ((((rgba >> 24) & 0xFF) +
+                            ((rgba >> 16) & 0xFF) +
+                            ((rgba >>  8) & 0xFF) +
+                            ((rgba      ) & 0xFF)) >> 2)
+                        : ((((rgba >> 12) & 0x0F) +
+                            ((rgba >>  8) & 0x0F) +
+                            ((rgba >>  4) & 0x0F) +
+                            ((rgba      ) & 0x0F)) >> 1));
+            *o++ = 255 - gray;
+          }
+
+      XFree (image->data);
+      image->data = 0;
+      XDestroyImage (image);
+
+      *w = width;
+      *h = height;
+      return result;
      }
  
    *w = 0;
      }
  
    *w = 0;
diff --git a/hacks/xlockmore.c b/hacks/xlockmore.c

index 6ca7164f6c79ea73ad7689f5a2c9dae8156c00d9..28828beb1e25439958dcd026bb421fb0f645630c 100644 (file)
--- a/hacks/xlockmore.c
+++ b/hacks/xlockmore.c
@@ -19,6 +19,8 @@
  #include <stdio.h>
  #include <math.h>
  #include <string.h>
  #include <stdio.h>
  #include <math.h>
  #include <string.h>
+#include <time.h>
+#include <sys/time.h>
  #include "screenhack.h"
  #include "xlockmoreI.h"
  
  #include "screenhack.h"
  #include "xlockmoreI.h"
  
diff --git a/hacks/xmatrix.c b/hacks/xmatrix.c

index 1a6bebf158c8b857a436e5298e4e20abd6d1ad41..016ec771f225f2075e1a0565e16be6275d15a44a 100644 (file)
--- a/hacks/xmatrix.c
+++ b/hacks/xmatrix.c
@@ -42,11 +42,11 @@
   */
  
  #include "screenhack.h"
   */
  
  #include "screenhack.h"
+#include "xpm-pixmap.h"
  #include <stdio.h>
  #include <X11/Xutil.h>
  
  #include <stdio.h>
  #include <X11/Xutil.h>
  
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
+#if defined(HAVE_GDK_PIXBUF) || defined(HAVE_XPM)
  # include "images/matrix0.xpm"
  # include "images/matrix1.xpm"
  # include "images/matrix2.xpm"
  # include "images/matrix0.xpm"
  # include "images/matrix1.xpm"
  # include "images/matrix2.xpm"
@@ -144,47 +144,21 @@ typedef struct {
  static void
  load_images_1 (m_state *state, int which)
  {
  static void
  load_images_1 (m_state *state, int which)
  {
-#ifdef HAVE_XPM
+#if defined(HAVE_GDK_PIXBUF) || defined(HAVE_XPM)
    if (!get_boolean_resource ("mono", "Boolean") &&
        state->xgwa.depth > 1)
      {
    if (!get_boolean_resource ("mono", "Boolean") &&
        state->xgwa.depth > 1)
      {
-      
-
-      XpmAttributes xpmattrs;
-      int result;
-      xpmattrs.valuemask = 0;
-
-# ifdef XpmCloseness
-      xpmattrs.valuemask |= XpmCloseness;
-      xpmattrs.closeness = 40000;
-# endif
-# ifdef XpmVisual
-      xpmattrs.valuemask |= XpmVisual;
-      xpmattrs.visual = state->xgwa.visual;
-# endif
-# ifdef XpmDepth
-      xpmattrs.valuemask |= XpmDepth;
-      xpmattrs.depth = state->xgwa.depth;
-# endif
-# ifdef XpmColormap
-      xpmattrs.valuemask |= XpmColormap;
-      xpmattrs.colormap = state->xgwa.colormap;
-# endif
-
-      result = XpmCreatePixmapFromData (state->dpy, state->window,
-                (which == 0 ? (state->small_p ? matrix0b_xpm : matrix0_xpm) :
-                 which == 1 ? (state->small_p ? matrix1b_xpm : matrix1_xpm) :
-                              (state->small_p ? matrix2b_xpm : matrix2_xpm)),
-                                        &state->images[which], 0 /* mask */,
-                                        &xpmattrs);
-      if (!state->images || (result != XpmSuccess && result != XpmColorError))
-        state->images[which] = 0;
-
-      state->image_width = xpmattrs.width;
-      state->image_height = xpmattrs.height;
+      char **bits =
+        (which == 0 ? (state->small_p ? matrix0b_xpm : matrix0_xpm) :
+         which == 1 ? (state->small_p ? matrix1b_xpm : matrix1_xpm) :
+         (state->small_p ? matrix2b_xpm : matrix2_xpm));
+
+      state->images[which] =
+        xpm_data_to_pixmap (state->dpy, state->window, bits,
+                            &state->image_width, &state->image_height, 0);
      }
    else
      }
    else
-#endif /* !HAVE_XPM */
+#endif /* !HAVE_XPM && !HAVE_GDK_PIXBUF */
      {
        unsigned long fg, bg;
        state->image_width  = (state->small_p ? matrix0b_width :matrix0_width);
      {
        unsigned long fg, bg;
        state->image_width  = (state->small_p ? matrix0b_width :matrix0_width);
diff --git a/hacks/xpm-pixmap.c b/hacks/xpm-pixmap.c

new file mode 100644 (file)

index 0000000..a4b3e2a
--- /dev/null
+++ b/hacks/xpm-pixmap.c
@@ -0,0 +1,281 @@
+/* xpm-pixmap.c --- converts XPM data to a Pixmap.
+ * xscreensaver, Copyright (c) 1998, 2001, 2002 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <X11/Xlib.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "visual.h"  /* for screen_number() */
+
+extern char *progname;
+
+
+#if defined(HAVE_GDK_PIXBUF)
+
+# include <gdk-pixbuf/gdk-pixbuf.h>
+# include <gdk-pixbuf/gdk-pixbuf-xlib.h>
+
+
+/* Returns a Pixmap structure containing the bits of the given XPM image.
+   This is the gdk_pixbuf version of this function.
+ */
+static Pixmap
+xpm_to_pixmap_1 (Display *dpy, Window window,
+                 int *width_ret, int *height_ret,
+                 Pixmap *mask_ret,
+                 const char *filename,
+                 char **xpm_data)
+{
+  GdkPixbuf *pb;
+  static int initted = 0;
+  XWindowAttributes xgwa;
+  XGetWindowAttributes (dpy, window, &xgwa);
+
+  if (!initted)
+    {
+      gdk_pixbuf_xlib_init (dpy, screen_number (xgwa.screen));
+      xlib_rgb_init (dpy, xgwa.screen);
+      initted = 1;
+    }
+
+  pb = (filename
+        ? gdk_pixbuf_new_from_file (filename)
+        : gdk_pixbuf_new_from_xpm_data ((const char **) xpm_data));
+  if (pb)
+    {
+      int w = gdk_pixbuf_get_width (pb);
+      int h = gdk_pixbuf_get_height (pb);
+      Pixmap pixmap = 0;
+
+      /* #### Note that this always uses the default colormap!  Morons!
+              Owen says that in Gnome 2.0, I should try using
+              gdk_pixbuf_render_pixmap_and_mask_for_colormap() instead.
+              But I don't have Gnome 2.0 yet.
+       */
+      gdk_pixbuf_xlib_render_pixmap_and_mask (pb, &pixmap, mask_ret, 128);
+
+      if (!pixmap)
+        {
+          fprintf (stderr, "%s: out of memory (%d x %d)\n", progname, w, h);
+          exit (-1);
+        }
+      /* gdk_pixbuf_unref (pb);  -- #### does doing this free colors? */
+
+      if (width_ret)  *width_ret  = w;
+      if (height_ret) *height_ret = h;
+
+      return pixmap;
+    }
+  else if (filename)
+    {
+      fprintf (stderr, "%s: unable to load %s\n", progname, filename);
+      exit (-1);
+    }
+  else
+    {
+      fprintf (stderr, "%s: unable to initialize built-in images\n", progname);
+      exit (-1);
+    }
+}
+
+
+#elif defined(HAVE_XPM)
+
+#include <X11/Intrinsic.h>
+#include <X11/Xutil.h>
+#include <X11/xpm.h>
+
+#ifdef HAVE_XMU
+# ifndef VMS
+#  include <X11/Xmu/Drawing.h>
+#else  /* VMS */
+#  include <Xmu/Drawing.h>
+# endif /* VMS */
+#endif
+
+#undef countof
+#define countof(x) (sizeof((x))/sizeof((*x)))
+
+
+static int
+handle_xpm_error (const char *filename, int status)
+{
+  if (!filename) filename = "builtin";
+  switch (status)
+    {
+    case XpmSuccess:
+      return 0;
+      break;
+    case XpmColorError:
+      fprintf (stderr, "%s: %s: warning: color substitution performed\n",
+               progname, filename);
+      return 0;
+      break;
+    case XpmFileInvalid:
+      return 1;
+      break;
+    case XpmOpenFailed:
+      fprintf (stderr, "%s: %s: no such file\n", progname, filename);
+      break;
+    case XpmNoMemory:
+      fprintf (stderr, "%s: %s: out of memory\n", progname, filename);
+      break;
+    case XpmColorFailed:
+      fprintf (stderr, "%s: %s: color allocation failed\n",
+               progname, filename);
+      break;
+    default:
+      fprintf (stderr, "%s: %s: unknown XPM error %d\n", progname,
+               filename, status);
+      break;
+    }
+  exit (-1);
+}
+
+
+/* The libxpm version of this function...
+ */
+static Pixmap
+xpm_to_pixmap_1 (Display *dpy, Window window,
+                 int *width_ret, int *height_ret,
+                 Pixmap *mask_ret,
+                 const char *filename,
+                 char **xpm_data)
+{
+  Pixmap pixmap = 0;
+  XpmAttributes xpmattrs;
+  XpmImage xpm_image;
+  XpmInfo xpm_info;
+  int status;
+  XWindowAttributes xgwa;
+  XGetWindowAttributes (dpy, window, &xgwa);
+
+  memset (&xpm_image, 0, sizeof(xpm_image));
+  memset (&xpm_info, 0, sizeof(xpm_info));
+
+  if (filename)
+    {
+      xpm_data = 0;
+      status = XpmReadFileToData ((char *) filename, &xpm_data);
+      if (handle_xpm_error (filename, status))
+        goto TRY_XBM;
+    }
+
+  xpmattrs.valuemask = 0;
+
+# ifdef XpmCloseness
+  xpmattrs.valuemask |= XpmCloseness;
+  xpmattrs.closeness = 40000;
+# endif
+# ifdef XpmVisual
+  xpmattrs.valuemask |= XpmVisual;
+  xpmattrs.visual = xgwa.visual;
+# endif
+# ifdef XpmDepth
+  xpmattrs.valuemask |= XpmDepth;
+  xpmattrs.depth = xgwa.depth;
+# endif
+# ifdef XpmColormap
+  xpmattrs.valuemask |= XpmColormap;
+  xpmattrs.colormap = xgwa.colormap;
+# endif
+
+  status = XpmCreatePixmapFromData (dpy, window, xpm_data,
+                                    &pixmap, mask_ret, &xpmattrs);
+  if (handle_xpm_error (filename, status))
+    pixmap = 0;
+  else
+    {
+      if (width_ret)  *width_ret  = xpmattrs.width;
+      if (height_ret) *height_ret = xpmattrs.height;
+    }
+
+ TRY_XBM:
+
+#ifdef HAVE_XMU
+  if (! pixmap)
+    {
+      unsigned long fg = BlackPixelOfScreen (xgwa.screen);
+      unsigned long bg = WhitePixelOfScreen (xgwa.screen);
+      int xh, yh;
+      Pixmap b2;
+      pixmap = XmuLocateBitmapFile (xgwa.screen, filename,
+                                   0, 0, width_ret, height_ret, &xh, &yh);
+      if (! pixmap)
+       {
+         fprintf (stderr, "%s: couldn't find XBM %s\n", progname,
+                  filename);
+         exit (-1);
+       }
+      b2 = XmuCreatePixmapFromBitmap (dpy, window, pixmap,
+                                      *width_ret, *height_ret,
+                                     xgwa.depth, fg, bg);
+      XFreePixmap (dpy, pixmap);
+      pixmap = b2;
+
+      if (!pixmap)
+        {
+         fprintf (stderr, "%s: couldn't load XBM %s\n", progname, filename);
+         exit (-1);
+        }
+    }
+#else  /* !XMU */
+    {
+      fprintf (stderr,
+              "%s: your vendor doesn't ship the standard Xmu library.\n",
+              progname);
+      fprintf (stderr, "\tWe can't load XBM files without it.\n");
+      exit (-1);
+    }
+#endif /* !XMU */
+
+  return pixmap;
+}
+
+#else  /* !HAVE_XPM && !HAVE_GDK_PIXBUF */
+
+static Pixmap
+xpm_to_pixmap_1 (Display *dpy, Window window,
+                 int *width_ret, int *height_ret,
+                 Pixmap *mask_ret,
+                 const char *filename,
+                 char **xpm_data)
+{
+  fprintf(stderr, "%s: not compiled with XPM or Pixbuf support.\n", progname);
+  exit (-1);
+}
+
+#endif /* !HAVE_XPM */
+
+
+Pixmap
+xpm_data_to_pixmap (Display *dpy, Window window, char **xpm_data,
+                    int *width_ret, int *height_ret,
+                    Pixmap *mask_ret)
+{
+  return xpm_to_pixmap_1 (dpy, window, width_ret, height_ret, mask_ret,
+                          0, xpm_data);
+}
+
+
+Pixmap
+xpm_file_to_pixmap (Display *dpy, Window window, const char *filename,
+                    int *width_ret, int *height_ret,
+                    Pixmap *mask_ret)
+{
+  return xpm_to_pixmap_1 (dpy, window, width_ret, height_ret, mask_ret,
+                          filename, 0);
+}
diff --git a/hacks/xpm-pixmap.h b/hacks/xpm-pixmap.h

new file mode 100644 (file)

index 0000000..90e4ff5
--- /dev/null
+++ b/hacks/xpm-pixmap.h
@@ -0,0 +1,25 @@
+/* xpm-pixmap.h --- converts XPM data to Pixmaps.
+ * xscreensaver, Copyright (c) 1998, 2002 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ */
+
+#ifndef _XPM_PIXMAP_H_
+#define _XPM_PIXMAP_H_
+
+/* Returns a Pixmap structure containing the bits of the given XPM image.
+ */
+extern Pixmap xpm_data_to_pixmap (Display *, Window, char **xpm_data,
+                                  int *width_ret, int *height_ret,
+                                  Pixmap *mask_ret);
+extern Pixmap xpm_file_to_pixmap (Display *, Window, const char *filename,
+                                  int *width_ret, int *height_ret,
+                                  Pixmap *mask_ret);
+
+#endif /* _XPM_PIXMAP_H_ */
diff --git a/hacks/xspirograph.c b/hacks/xspirograph.c

index 0853faa580812cfd98583b281ba99e577e67bae9..2cc52f283a8a83b0fc5a1775d955c237ff174b40 100644 (file)
--- a/hacks/xspirograph.c
+++ b/hacks/xspirograph.c
@@ -12,6 +12,10 @@
   * documentation.  No representations are made about the suitability of this
   * software for any purpose.  It is provided "as is" without express or 
   * implied warranty.
   * documentation.  No representations are made about the suitability of this
   * software for any purpose.  It is provided "as is" without express or 
   * implied warranty.
+ *
+ * Modified (Dec 2001) by Matthew Strait <straitm@mathcs.carleton.edu>
+ * Added -subdelay and -alwaysfinish
+ * Prevented redrawing over existing lines
   */
  
  #include <math.h>
   */
  
  #include <math.h>
@@ -20,8 +24,10 @@
  
  static GC      draw_gc;
  static int     sleep_time;
  
  static GC      draw_gc;
  static int     sleep_time;
+static int     sub_sleep_time;
  static int     num_layers;
  static unsigned int default_fg_pixel;
  static int     num_layers;
  static unsigned int default_fg_pixel;
+static Bool    always_finish_p;
  
  static void
  init_tsg (Display *dpy, Window window)
  
  static void
  init_tsg (Display *dpy, Window window)
@@ -48,6 +54,8 @@ go (Display *dpy, Window window,
    int width, height;
    int xmid, ymid;
    int x1, y1, x2, y2;
    int width, height;
    int xmid, ymid;
    int x1, y1, x2, y2;
+  float firstx = 0, firsty = 0;
+  float tmpx, tmpy;
    int theta;
    int delta;
  
    int theta;
    int delta;
  
@@ -62,9 +70,10 @@ go (Display *dpy, Window window,
    y1 = ymid;
  
  
    y1 = ymid;
  
  
-  for (theta = 1; theta < ( 360 * 100 ); theta++)
+  for (theta = 1; /* theta < ( 360 * 100 ) */; theta++) 
+                  /* see below about alwaysfinish */
      {
      {
-       x2 = xmid + ((       radius1              /* * * * *            */
+       tmpx = xmid + ((       radius1            /* * * * *            */
                    - radius2        )            /* This algo simulates */
                    * cos((      theta           /* the rotation of a    */
                    * M_PI           )           /* circular disk inside */
                    - radius2        )            /* This algo simulates */
                    * cos((      theta           /* the rotation of a    */
                    * M_PI           )           /* circular disk inside */
@@ -78,7 +87,7 @@ go (Display *dpy, Window window,
                    / 180            )            /* of delta needs to be */
                                     );           /* given, which greatly */
                                                 /* adds to the beauty   */
                    / 180            )            /* of delta needs to be */
                                     );           /* given, which greatly */
                                                 /* adds to the beauty   */
-       y2 = ymid + (                           /* of the figure.       */
+       tmpy = ymid + (                         /* of the figure.       */
                       ( radius1 - radius2       /*                      */
                        ) * sin                  /* Imperfection adds to */
                         (                       /* beauty, symbolically */
                       ( radius1 - radius2       /*                      */
                        ) * sin                  /* Imperfection adds to */
                         (                       /* beauty, symbolically */
@@ -96,14 +105,39 @@ go (Display *dpy, Window window,
                                     ) * M_PI / 180
                                      )
                                       );
                                     ) * M_PI / 180
                                      )
                                       );
-                               
+        
+       /*makes integers from the calculated values to do the drawing*/
+       x2 = tmpx;
+       y2 = tmpy;
+
+       /*stores the first values for later reference*/
+       if(theta == 1)
+       {
+               firstx = tmpx;
+               firsty = tmpy;
+       }
  
          XDrawLine (dpy, window, draw_gc, x1, y1, x2, y2);
  
         x1 = x2;
         y1 = y2;
          XFlush (dpy);
  
          XDrawLine (dpy, window, draw_gc, x1, y1, x2, y2);
  
         x1 = x2;
         y1 = y2;
          XFlush (dpy);
-    }
+
+       /* compares the exact values calculated to the first
+          exact values calculated */
+       /* this will break when nothing new is being drawn */
+       if(tmpx == firstx && tmpy == firsty && theta != 1)
+               break;
+
+       /* this will break after 36000 iterations if 
+          the -alwaysfinish option is not specified */
+       if(!always_finish_p && theta > ( 360 * 100 ) )
+               break;
+
+       /* usleeping every time is too slow */
+       if(theta%100 == 0)
+               usleep(sub_sleep_time);
+    }  
  }
  
  
  }
  
  
@@ -130,7 +164,7 @@ getset (Display *dpy, Window window, XColor *color, Bool *got_color)
    XClearWindow (dpy, window);
  
  
    XClearWindow (dpy, window);
  
  
-  for(counter = 0; counter < num_layers; counter ++)
+  for(counter = 0; counter < num_layers; counter++)
    {
      divisor = ((frand (3.0) + 1) * (((random() & 1) * 2) - 1));
  
    {
      divisor = ((frand (3.0) + 1) * (((random() & 1) * 2) - 1));
  
@@ -149,6 +183,7 @@ getset (Display *dpy, Window window, XColor *color, Bool *got_color)
        else
         XSetForeground (dpy, draw_gc, default_fg_pixel);
      }
        else
         XSetForeground (dpy, draw_gc, default_fg_pixel);
      }
+
      go (dpy, window, radius1, -radius2, distance);
  
      /* once again, with a parameter negated, just for kicks */
      go (dpy, window, radius1, -radius2, distance);
  
      /* once again, with a parameter negated, just for kicks */
@@ -163,6 +198,7 @@ getset (Display *dpy, Window window, XColor *color, Bool *got_color)
        else
         XSetForeground (dpy, draw_gc, default_fg_pixel);
      }
        else
         XSetForeground (dpy, draw_gc, default_fg_pixel);
      }
+
      go (dpy, window, radius1, radius2, distance);
    }
  }
      go (dpy, window, radius1, radius2, distance);
    }
  }
@@ -201,15 +237,20 @@ getset_go (Display *dpy, Window window)
  char *progclass = "XSpiroGraph";
  
  char *defaults [] = {
  char *progclass = "XSpiroGraph";
  
  char *defaults [] = {
-  ".background: black",
-  "*delay:      5",
-  "*layers:     1",
+  ".background:                black",
+  "*delay:             5",
+  "*subdelay:          0",
+  "*layers:            1",
+  "*alwaysfinish:      false",
    0
  };
  
  XrmOptionDescRec options [] = {   
    { "-delay",           ".delay",               XrmoptionSepArg, 0 },
    0
  };
  
  XrmOptionDescRec options [] = {   
    { "-delay",           ".delay",               XrmoptionSepArg, 0 },
-  { "-layers",          ".layers",              XrmoptionSepArg, 0 },
+  { "-subdelay",        ".subdelay",            XrmoptionSepArg, 0 },
+  { "-layers",          ".layers",             XrmoptionSepArg, 0 },
+  { "-alwaysfinish",    ".alwaysfinish",       XrmoptionNoArg, "true"},
+  { "-noalwaysfinish",  ".alwaysfinish",       XrmoptionNoArg, "false"},
    { 0, 0, 0, 0 }
  };
  int options_size = (sizeof (options) / sizeof (options[0]));
    { 0, 0, 0, 0 }
  };
  int options_size = (sizeof (options) / sizeof (options[0]));
@@ -218,7 +259,10 @@ void
  screenhack (Display *dpy, Window window)
  {
    sleep_time = get_integer_resource("delay", "Integer");
  screenhack (Display *dpy, Window window)
  {
    sleep_time = get_integer_resource("delay", "Integer");
+  sub_sleep_time = get_integer_resource("subdelay", "Integer");
    num_layers = get_integer_resource("layers", "Integer");
    num_layers = get_integer_resource("layers", "Integer");
+  always_finish_p = get_boolean_resource ("alwaysfinish", "Boolean");
+  
    init_tsg (dpy, window);
    while (1)
     getset_go (dpy, window);
    init_tsg (dpy, window);
    while (1)
     getset_go (dpy, window);
diff --git a/hacks/xspirograph.man b/hacks/xspirograph.man

new file mode 100644 (file)

index 0000000..2175e43
--- /dev/null
+++ b/hacks/xspirograph.man
@@ -0,0 +1,70 @@
+.TH XScreenSaver 1 "9-Dec-2001" "X Version 11"\r
+.SH NAME\r
+xspirograph - simulates the rotation of a disk inside a circular rim\r
+.SH SYNOPSIS\r
+.B xspirograph\r
+[\-display \fIhost:display.screen\fP] [\-window] [\-root] [\-install]\r
+[\-visual \fIvisual\fP] \r
+[\-delay \fIseconds\fP] \r
+[\-subdelay \fIuseconds\fP] \r
+[\-layers \fIinteger\fP]\r
+[\-alwaysfinish] [\-noalwaysfinish]\r
+.SH DESCRIPTION\r
+\fIxspirograph\fP draws patterns such as those made by a\r
+spirograph, that is, the curve traced by a point on a circular\r
+disk rotating on the inside of a hollow circular rim.\r
+.SH OPTIONS\r
+.I xspirograph\r
+accepts the following options:\r
+.TP 8\r
+.B \-window\r
+Draw on a newly-created window.  This is the default.\r
+.TP 8\r
+.B \-root\r
+Draw on the root window.\r
+.TP 8\r
+.B \-install\r
+Install a private colormap for the window.\r
+.TP 8\r
+.B \-visual \fIvisual\fP\fP\r
+Specify which visual to use.  Legal values are the name of a visual class,\r
+or the id number (decimal or hex) of a specific visual.\r
+.TP 8\r
+.B \-delay \fIsecs\fP\r
+The delay between finishing one draw and starting the next. Default:\r
+5 seconds.\r
+.TP 8\r
+.B \-subdelay \fIusec\fP\r
+The time to delay between each hundred line draws.  Use this if you\r
+want to see the pattern form.  Default: 0.\r
+.TP 8\r
+.B \-alwaysfinish\fP  \fB\-noalwaysfinish\fP\r
+If you want each pattern to draw until it is done, specify the first.\r
+Otherwise, they will stop after a set number of iterations.  Default: \r
+no.\r
+.TP 8\r
+.B \-layers \fIinteger\fP\r
+Number of pairs of patterns to draw between each erase.\r
+\r
+.SH ENVIRONMENT\r
+.TP 8\r
+.B DISPLAY\r
+to get the default host and display number.\r
+.TP 8\r
+.B XENVIRONMENT\r
+to get the name of a resource file that overrides the global resources\r
+stored in the RESOURCE_MANAGER property.\r
+.SH SEE ALSO\r
+.BR X (1),\r
+.BR xscreensaver (1)\r
+.SH COPYRIGHT\r
+Copyright \(co 2000 by Rohit Singh\r
+<rohit_singh@hotmail.com> Permission to use, copy, modify, distribute,\r
+and sell this software and its documentation for any purpose is hereby\r
+granted without fee, provided that the above copyright notice appear in\r
+all copies and that both that copyright notice and this permission\r
+notice appear in supporting documentation.  No representations are made\r
+about the suitability of this software for any purpose.  It is provided\r
+"as is" without express or implied warranty.\r
+.P\r
+Modified by Matthew Strait <straitm@mathcs.carleton.edu> Dec 2001.\r
diff --git a/hacks/xteevee.c b/hacks/xteevee.c

index df4ce24ad772f7f544040967f3492d9fdfe9a7d6..90d3e0fcb26986749bbb89e77211deae3a9c1a8d 100644 (file)
--- a/hacks/xteevee.c
+++ b/hacks/xteevee.c
@@ -26,6 +26,8 @@
  #include "screenhack.h"
  #include "colorbars.h"
  #include <X11/Xutil.h>
  #include "screenhack.h"
  #include "colorbars.h"
  #include <X11/Xutil.h>
+#include <time.h>
+#include <sys/time.h>
  
  
  /* Defines *******************************************************************/
  
  
  /* Defines *******************************************************************/
diff --git a/setup.com b/setup.com

index e08a77772ecb30b926b9d3e63eb87cbe5ed4ac51..c986b6023c5d2148edda70371ee1db3e8245a5dd 100644 (file)
--- a/setup.com
+++ b/setup.com
@@ -4,6 +4,7 @@ $ set def [.HACKS]
  $ mydisk = f$trnlmn("SYS$DISK")
  $ mydir  = mydisk+f$directory()
  $ ant          :== $'mydir'ant
  $ mydisk = f$trnlmn("SYS$DISK")
  $ mydir  = mydisk+f$directory()
  $ ant          :== $'mydir'ant
+$ apollonian   :== $'mydir'apollonian
  $ attraction   :== $'mydir'attraction
  $ blaster      :== $'mydir'blaster
  $ blitspin     :== $'mydir'blitspin
  $ attraction   :== $'mydir'attraction
  $ blaster      :== $'mydir'blaster
  $ blitspin     :== $'mydir'blitspin
@@ -26,6 +27,7 @@ $ discrete    :== $'mydir'discrete
  $ distort      :== $'mydir'distort
  $ drift                :== $'mydir'drift
  $ epicycle     :== $'mydir'epicycle
  $ distort      :== $'mydir'distort
  $ drift                :== $'mydir'drift
  $ epicycle     :== $'mydir'epicycle
+$ euler2d      :== $'mydir'euler2d
  $ fadeplot     :== $'mydir'fadeplot
  $ flag         :== $'mydir'flag
  $ flame                :== $'mydir'flame
  $ fadeplot     :== $'mydir'fadeplot
  $ flag         :== $'mydir'flag
  $ flame                :== $'mydir'flame
@@ -44,6 +46,7 @@ $ ifs         :== $'mydir'ifs
  $ imsmap       :== $'mydir'imsmap
  $ interference :== $'mydir'interference
  $ jigsaw       :== $'mydir'jigsaw
  $ imsmap       :== $'mydir'imsmap
  $ interference :== $'mydir'interference
  $ jigsaw       :== $'mydir'jigsaw
+$ juggle       :== $'mydir'juggle
  $ julia                :== $'mydir'julia
  $ kaleidescope :== $'mydir'kaleidescope
  $ kumppa       :== $'mydir'kumppa
  $ julia                :== $'mydir'julia
  $ kaleidescope :== $'mydir'kaleidescope
  $ kumppa       :== $'mydir'kumppa
@@ -65,6 +68,7 @@ $ penetrate   :== $'mydir'penetrate
  $ penrose      :== $'mydir'penrose
  $ petri                :== $'mydir'petri
  $ phosphor     :== $'mydir'phosphor
  $ penrose      :== $'mydir'penrose
  $ petri                :== $'mydir'petri
  $ phosphor     :== $'mydir'phosphor
+$ polyominoes  :== $'mydir'polyominoes
  $ pyro         :== $'mydir'pyro
  $ qix          :== $'mydir'qix
  $ rd-bomb      :== $'mydir'rd-bomb
  $ pyro         :== $'mydir'pyro
  $ qix          :== $'mydir'qix
  $ rd-bomb      :== $'mydir'rd-bomb
@@ -87,11 +91,14 @@ $ starfish  :== $'mydir'starfish
  $ strange      :== $'mydir'strange
  $ swirl                :== $'mydir'swirl
  $ t3d          :== $'mydir't3d
  $ strange      :== $'mydir'strange
  $ swirl                :== $'mydir'swirl
  $ t3d          :== $'mydir't3d
+$ thornbird    :== $'mydir'thornbird
  $ triangle     :== $'mydir'triangle
  $ truchet      :== $'mydir'truchet
  $ triangle     :== $'mydir'triangle
  $ truchet      :== $'mydir'truchet
+$ twang                :== $'mydir'twang
  $ vermiculate  :== $'mydir'vermiculate
  $ vines                :== $'mydir'vines
  $ wander       :== $'mydir'wander
  $ vermiculate  :== $'mydir'vermiculate
  $ vines                :== $'mydir'vines
  $ wander       :== $'mydir'wander
+$ webcollage-helper    :== $'mydir'webcollage-helper
  $ whirlwindwarp        :== $'mydir'whirlwindwarp
  $ whirlygig    :== $'mydir'whirlygig
  $ worm         :== $'mydir'worm
  $ whirlwindwarp        :== $'mydir'whirlwindwarp
  $ whirlygig    :== $'mydir'whirlygig
  $ worm         :== $'mydir'worm
diff --git a/utils/grabscreen.c b/utils/grabscreen.c

index 5ef32e1e9c899005abfb0805ba572f1bdde30ecb..f2abe8cb678a525b0a38a682c65dea211f4bed43 100644 (file)
--- a/utils/grabscreen.c
+++ b/utils/grabscreen.c
@@ -267,12 +267,19 @@ grab_screen_image (Screen *screen, Window window)
  {
    Display *dpy = DisplayOfScreen (screen);
    XWindowAttributes xgwa;
  {
    Display *dpy = DisplayOfScreen (screen);
    XWindowAttributes xgwa;
-  Window real_root = XRootWindowOfScreen (screen);  /* not vroot */
-  Bool root_p = (window == real_root);
-  Bool saver_p = xscreensaver_window_p (dpy, window);
+  Window real_root;
+  Bool root_p;
+  Bool saver_p;
    Bool grab_mouse_p = False;
    int unmap_time = 0;
  
    Bool grab_mouse_p = False;
    int unmap_time = 0;
  
+  real_root = XRootWindowOfScreen (screen);  /* not vroot */
+  root_p = (window == real_root);
+  saver_p = xscreensaver_window_p (dpy, window);
+
+  XGetWindowAttributes (dpy, window, &xgwa);
+  screen = xgwa.screen;
+
    if (saver_p)
      /* I think this is redundant, but just to be safe... */
      root_p = False;
    if (saver_p)
      /* I think this is redundant, but just to be safe... */
      root_p = False;
@@ -300,15 +307,13 @@ grab_screen_image (Screen *screen, Window window)
  
    if (grab_verbose_p)
      {
  
    if (grab_verbose_p)
      {
-      XWindowAttributes xgwa2;
        fprintf(stderr,
                "\n%s: window 0x%08lX root: %d saver: %d grab: %d wait: %.1f\n",
                progname, (unsigned long) window,
                root_p, saver_p, grab_mouse_p, ((double)unmap_time)/1000000.0);
  
        fprintf(stderr,
                "\n%s: window 0x%08lX root: %d saver: %d grab: %d wait: %.1f\n",
                progname, (unsigned long) window,
                root_p, saver_p, grab_mouse_p, ((double)unmap_time)/1000000.0);
  
-      XGetWindowAttributes (dpy, window, &xgwa2);
        fprintf(stderr, "%s: ", progname);
        fprintf(stderr, "%s: ", progname);
-      describe_visual(stderr, screen, xgwa2.visual, False);
+      describe_visual(stderr, screen, xgwa.visual, False);
        fprintf (stderr, "\n");
      }
  
        fprintf (stderr, "\n");
      }
  
@@ -344,8 +349,6 @@ grab_screen_image (Screen *screen, Window window)
        usleep(unmap_time); /* wait for everyone to swap in and handle exposes */
      }
  
        usleep(unmap_time); /* wait for everyone to swap in and handle exposes */
      }
  
-  XGetWindowAttributes (dpy, window, &xgwa);
-
    if (!root_p)
      {
  #ifdef HAVE_READ_DISPLAY_EXTENSION
    if (!root_p)
      {
  #ifdef HAVE_READ_DISPLAY_EXTENSION
@@ -371,15 +374,13 @@ grab_screen_image (Screen *screen, Window window)
    else  /* root_p */
      {
        Pixmap pixmap;
    else  /* root_p */
      {
        Pixmap pixmap;
-      XWindowAttributes xgwa;
-      XGetWindowAttributes(dpy, window, &xgwa);
        pixmap = XCreatePixmap(dpy, window, xgwa.width, xgwa.height, xgwa.depth);
  
  #ifdef HAVE_READ_DISPLAY_EXTENSION
        if (! read_display(screen, window, pixmap, True))
  #endif
         {
        pixmap = XCreatePixmap(dpy, window, xgwa.width, xgwa.height, xgwa.depth);
  
  #ifdef HAVE_READ_DISPLAY_EXTENSION
        if (! read_display(screen, window, pixmap, True))
  #endif
         {
-         Window real_root = XRootWindowOfScreen (xgwa.screen); /* not vroot */
+         Window real_root = XRootWindowOfScreen (screen); /* not vroot */
           XGCValues gcv;
           GC gc;
  
           XGCValues gcv;
           GC gc;
  
diff --git a/utils/version.h b/utils/version.h

index 1531d72a6cd537376bb5b5f5bbd5a75851ab70a1..942d03b98dd40e6f7f2c974df71188ffe35af479 100644 (file)
--- a/utils/version.h
+++ b/utils/version.h
@@ -1,2 +1,2 @@
  static const char screensaver_id[] =
  static const char screensaver_id[] =
-       "@(#)xscreensaver 4.00 (21-Nov-2001), by Jamie Zawinski (jwz@jwz.org)";
+       "@(#)xscreensaver 4.01 (24-Feb-2002), by Jamie Zawinski (jwz@jwz.org)";
diff --git a/xscreensaver.lsm b/xscreensaver.lsm

index 1904d75cf38ca09561ddca54a38240e44327ca92..d8983cb58b3e9d5a4b29006f6f6138c81063bde5 100644 (file)
--- a/xscreensaver.lsm
+++ b/xscreensaver.lsm
@@ -1,25 +1,25 @@
  Begin3
  Title:          xscreensaver
  Begin3
  Title:          xscreensaver
-Version:        4.00
-Entered-date:   02JAN02
+Version:        4.01
+Entered-date:   24FEB02
  Description:    A modular screen saver and locker for the X Window System.
                  Highly customizable: allows the use of any program that
                  can draw on the root window as a display mode.
  Description:    A modular screen saver and locker for the X Window System.
                  Highly customizable: allows the use of any program that
                  can draw on the root window as a display mode.
-                More than 120 display modes are included in this package.
+                More than 140 display modes are included in this package.
  Keywords:       screen saver, screen lock, lock, xlock, X11
  Author:         jwz@jwz.org (Jamie Zawinski)
  Maintained-by:  jwz@jwz.org (Jamie Zawinski)
  Primary-site:   http://www.jwz.org/xscreensaver/
  Keywords:       screen saver, screen lock, lock, xlock, X11
  Author:         jwz@jwz.org (Jamie Zawinski)
  Maintained-by:  jwz@jwz.org (Jamie Zawinski)
  Primary-site:   http://www.jwz.org/xscreensaver/
-                 xscreensaver-4.00.tar.gz
-                54K   xscreensaver.README
+                2156K xscreensaver-4.01.tar.gz
+                56K   xscreensaver.README
                  1K    xscreensaver.lsm
  Alternate-site: sunsite.unc.edu /pub/Linux/X11/screensavers/
                  1K    xscreensaver.lsm
  Alternate-site: sunsite.unc.edu /pub/Linux/X11/screensavers/
-                 xscreensaver-4.00.tar.gz
-                54K   xscreensaver.README
+                2156K xscreensaver-4.01.tar.gz
+                56K   xscreensaver.README
                  1K    xscreensaver.lsm
  Alternate-site: ftp.x.org /contrib/applications/
                  1K    xscreensaver.lsm
  Alternate-site: ftp.x.org /contrib/applications/
-                 xscreensaver-4.00.tar.gz
-                54K   xscreensaver.README
+                2156K xscreensaver-4.01.tar.gz
+                56K   xscreensaver.README
                  1K    xscreensaver.lsm
  Platforms:      Linux, Irix, SunOS, Solaris, HPUX, AIX, FreeBSD, NetBSD,
                  BSDI, SCO, OSF1, Ultrix, VMS.
                  1K    xscreensaver.lsm
  Platforms:      Linux, Irix, SunOS, Solaris, HPUX, AIX, FreeBSD, NetBSD,
                  BSDI, SCO, OSF1, Ultrix, VMS.
diff --git a/xscreensaver.lsm.sh b/xscreensaver.lsm.sh

index fc1103f9b399de23d339f6a4df701e9d84ee51f9..65f489f7cdc0d6df31b3ea95b3582a9c8c9893c2 100755 (executable)
--- a/xscreensaver.lsm.sh
+++ b/xscreensaver.lsm.sh
@@ -27,7 +27,7 @@ Entered-date:   $DATE
  Description:    A modular screen saver and locker for the X Window System.
                  Highly customizable: allows the use of any program that
                  can draw on the root window as a display mode.
  Description:    A modular screen saver and locker for the X Window System.
                  Highly customizable: allows the use of any program that
                  can draw on the root window as a display mode.
-                More than 120 display modes are included in this package.
+                More than 140 display modes are included in this package.
  Keywords:       screen saver, screen lock, lock, xlock, X11
  Author:         jwz@jwz.org (Jamie Zawinski)
  Maintained-by:  jwz@jwz.org (Jamie Zawinski)
  Keywords:       screen saver, screen lock, lock, xlock, X11
  Author:         jwz@jwz.org (Jamie Zawinski)
  Maintained-by:  jwz@jwz.org (Jamie Zawinski)
diff --git a/xscreensaver.spec b/xscreensaver.spec

index 1ffda636d1715e8e55e2816b4c7c3be2787568ce..6d7a6cb1fe6b6781b4b02986cf1e178701a48548 100644 (file)
--- a/xscreensaver.spec
+++ b/xscreensaver.spec
@@ -1,5 +1,5 @@
  %define        name            xscreensaver
  %define        name            xscreensaver
-%define        version         4.00
+%define        version         4.01
  %define        release         1
  %define        serial          1
  %define        x11_prefix      /usr/X11R6
  %define        release         1
  %define        serial          1
  %define        x11_prefix      /usr/X11R6
@@ -7,7 +7,8 @@
  %define        kde_prefix      /usr
  
  %define gnome_datadir  %{gnome_prefix}/share
  %define        kde_prefix      /usr
  
  %define gnome_datadir  %{gnome_prefix}/share
-%define gnome_ccdir    %{gnome_datadir}/control-center/Desktop
+%define gnome_ccdir_1  %{gnome_datadir}/control-center/Desktop
+%define gnome_ccdir_2  %{gnome_datadir}/control-center/capplets
  %define gnome_paneldir %{gnome_datadir}/gnome/apps/Settings/Desktop
  %define gnome_icondir  %{gnome_datadir}/pixmaps
  
  %define gnome_paneldir %{gnome_datadir}/gnome/apps/Settings/Desktop
  %define gnome_icondir  %{gnome_datadir}/pixmaps
  
@@ -29,11 +30,15 @@ Vendor:             Jamie Zawinski <jwz@jwz.org>
  Source:                %{name}-%{version}.tar.gz
  Buildroot:     %{_tmppath}/%{name}-%{version}-root
  
  Source:                %{name}-%{version}.tar.gz
  Buildroot:     %{_tmppath}/%{name}-%{version}-root
  
+# This package really should be made to depend on
+# control-center >= 1.4.0.2 -OR- control-center >= 1.5.12
+# but there's no way to express that.
+
  %description
  A modular screen saver and locker for the X Window System.
  Highly customizable: allows the use of any program that
  can draw on the root window as a display mode.
  %description
  A modular screen saver and locker for the X Window System.
  Highly customizable: allows the use of any program that
  can draw on the root window as a display mode.
-More than 120 display modes are included in this package.
+More than 140 display modes are included in this package.
  %{?USE_GL:See also the xscreensaver-gl package, which}
  %{?USE_GL:includes optional OpenGL display modes.}
  
  %{?USE_GL:See also the xscreensaver-gl package, which}
  %{?USE_GL:includes optional OpenGL display modes.}
  
@@ -87,7 +92,8 @@ make
  # directory instead (/usr/bin/).
  #
  mkdir -p $RPM_BUILD_ROOT%{gnome_prefix}/bin
  # directory instead (/usr/bin/).
  #
  mkdir -p $RPM_BUILD_ROOT%{gnome_prefix}/bin
-mkdir -p $RPM_BUILD_ROOT%{gnome_ccdir}
+mkdir -p $RPM_BUILD_ROOT%{gnome_ccdir_1}
+mkdir -p $RPM_BUILD_ROOT%{gnome_ccdir_2}
  mkdir -p $RPM_BUILD_ROOT%{gnome_paneldir}
  
  # Likewise for KDE: the .kss file goes in the KDE bin directory (/usr/bin/).
  mkdir -p $RPM_BUILD_ROOT%{gnome_paneldir}
  
  # Likewise for KDE: the .kss file goes in the KDE bin directory (/usr/bin/).
@@ -144,6 +150,15 @@ install -m 4755 driver/xscreensaver $RPM_BUILD_ROOT%{x11_prefix}/bin
  #
  chmod -R a+r,u+w,og-w $RPM_BUILD_ROOT
  
  #
  chmod -R a+r,u+w,og-w $RPM_BUILD_ROOT
  
+%post
+# This part runs on the end user's system, when the RPM is installed.
+
+pids=`pidof xscreensaver`
+if [ -n "$pids" ]; then
+  echo "sending SIGHUP to running xscreensaver ($pids)..." >&2
+  kill -HUP $pids
+fi
+
  %clean
  if [ -d $RPM_BUILD_ROOT    ]; then rm -r $RPM_BUILD_ROOT    ; fi
  if [ -d $RPM_BUILD_ROOT-gl ]; then rm -r $RPM_BUILD_ROOT-gl ; fi
  %clean
  if [ -d $RPM_BUILD_ROOT    ]; then rm -r $RPM_BUILD_ROOT    ; fi
  if [ -d $RPM_BUILD_ROOT-gl ]; then rm -r $RPM_BUILD_ROOT-gl ; fi
@@ -162,7 +177,8 @@ if [ -d $RPM_BUILD_ROOT-gl ]; then rm -r $RPM_BUILD_ROOT-gl ; fi
  %config(missingok)  %{kde_prefix}/bin/*.kss
  
  %config(missingok)  %{gnome_prefix}/bin/*-capplet
  %config(missingok)  %{kde_prefix}/bin/*.kss
  
  %config(missingok)  %{gnome_prefix}/bin/*-capplet
-%config(missingok)  %{gnome_ccdir}/*.desktop
+%config(missingok)  %{gnome_ccdir_1}/*.desktop
+%config(missingok)  %{gnome_ccdir_2}/*.desktop
  %config(missingok)  %{gnome_paneldir}/*.desktop
  %config(missingok)  %{gnome_icondir}/*
  
  %config(missingok)  %{gnome_paneldir}/*.desktop
  %config(missingok)  %{gnome_icondir}/*
author	Zygo Blaxell <zblaxell@hungrycats.org>
	Mon, 2 Mar 2009 05:42:52 +0000 (00:42 -0500)
committer	Zygo Blaxell <zblaxell@faye.furryterror.org>
	Fri, 8 Feb 2013 17:53:47 +0000 (12:53 -0500)
Makefile.in		patch \| blob \| history
README		patch \| blob \| history
config.h.in		patch \| blob \| history
configure		patch \| blob \| history
configure.in		patch \| blob \| history
driver/Makefile.in		patch \| blob \| history
driver/XScreenSaver.ad.in		patch \| blob \| history
driver/XScreenSaver_ad.h		patch \| blob \| history
driver/demo-Gtk-conf.c		patch \| blob \| history
driver/demo-Gtk.c		patch \| blob \| history
driver/exec.c	[new file with mode: 0644]	patch \| blob
driver/lock.c		patch \| blob \| history
driver/prefs.c		patch \| blob \| history
driver/remote.c		patch \| blob \| history
driver/screensaver-properties-capplet		patch \| blob \| history
driver/screensaver-properties.desktop.in		patch \| blob \| history
driver/stderr.c		patch \| blob \| history
driver/subprocs.c		patch \| blob \| history
driver/timers.c		patch \| blob \| history
driver/windows.c		patch \| blob \| history
driver/xscreensaver-command.c		patch \| blob \| history
driver/xscreensaver-command.man		patch \| blob \| history
driver/xscreensaver-demo.man		patch \| blob \| history
driver/xscreensaver-getimage-file		patch \| blob \| history
driver/xscreensaver-getimage-file.man		patch \| blob \| history
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driver/xscreensaver-getimage.c		patch \| blob \| history
driver/xscreensaver-getimage.man		patch \| blob \| history
driver/xscreensaver.c		patch \| blob \| history
driver/xscreensaver.h		patch \| blob \| history
driver/xscreensaver.man		patch \| blob \| history
hacks/Makefile.in		patch \| blob \| history
hacks/ant.c		patch \| blob \| history
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hacks/compile_decc.com		patch \| blob \| history
hacks/config/README		patch \| blob \| history
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hacks/config/pulsar.xml		patch \| blob \| history
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hacks/config/ssystem.xml		patch \| blob \| history
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hacks/glx/Makefile.in		patch \| blob \| history
hacks/glx/atlantis.c		patch \| blob \| history
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hacks/glx/flipscreen3d.c		patch \| blob \| history
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hacks/glx/glsnake.c	[new file with mode: 0644]	patch \| blob
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hacks/glx/grab-ximage.c		patch \| blob \| history
hacks/glx/lament.c		patch \| blob \| history
hacks/glx/molecule.c		patch \| blob \| history
hacks/glx/pulsar.c		patch \| blob \| history
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hacks/glx/starwars.c		patch \| blob \| history
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hacks/images/ground.xpm	[new file with mode: 0644]	patch \| blob
hacks/images/sball-bg.xpm	[new file with mode: 0644]	patch \| blob
hacks/images/sball.xpm	[new file with mode: 0644]	patch \| blob
hacks/images/tree.xpm	[new file with mode: 0644]	patch \| blob
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hacks/xmatrix.c		patch \| blob \| history
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hacks/xspirograph.c		patch \| blob \| history
hacks/xspirograph.man	[new file with mode: 0644]	patch \| blob
hacks/xteevee.c		patch \| blob \| history
setup.com		patch \| blob \| history
utils/grabscreen.c		patch \| blob \| history
utils/version.h		patch \| blob \| history
xscreensaver.lsm		patch \| blob \| history
xscreensaver.lsm.sh		patch \| blob \| history
xscreensaver.spec		patch \| blob \| history