http://slackware.bholcomb.com/slackware/slackware-11.0/source/xap/xscreensaver/xscree...

[xscreensaver] / hacks / swirl.c

diff --git a/hacks/swirl.c b/hacks/swirl.c
index 93f0c0a63da6721ffdeb3d0e8b4064680de2b171..dbeb9c187d213b1cbcfab105756f3509fe1fcc7e 100644 (file)
--- a/hacks/swirl.c
+++ b/hacks/swirl.c
@@ -30,18 +30,15 @@ static const char sccsid[] = "@(#)swirl.c   4.00 97/01/01 xlockmore";
  */
 
 #ifdef STANDALONE
-# define PROGCLASS                                     "Swirl"
-# define HACK_INIT                                     init_swirl
-# define HACK_DRAW                                     draw_swirl
-# define swirl_opts                                    xlockmore_opts
 # define DEFAULTS      "*count:                5       \n"                     \
                                        "*delay:                10000   \n"                     \
                                        "*ncolors:              200     \n"                     \
                                        "*useSHM:               True    \n"
 # define SMOOTH_COLORS
 # define WRITABLE_COLORS
+# define reshape_swirl 0
+# define swirl_handle_event 0
 # include "xlockmore.h"                                /* from the xscreensaver distribution */
-# include <X11/Xutil.h>
 # ifdef HAVE_XSHM_EXTENSION
 #  include "xshm.h"
 # endif /* HAVE_XSHM_EXTENSION */
@@ -50,7 +47,7 @@ static const char sccsid[] = "@(#)swirl.c     4.00 97/01/01 xlockmore";
 # undef HAVE_XSHM_EXTENSION
 #endif /* !STANDALONE */
 
-ModeSpecOpt swirl_opts = {
+ENTRYPOINT ModeSpecOpt swirl_opts = {
   0, NULL, 0, NULL, NULL };
 
 #include <time.h>
@@ -1246,7 +1243,7 @@ next_point(SWIRL_P swirl)
  *
  * -      win is the window to draw in
  */
-void
+ENTRYPOINT void
 init_swirl(ModeInfo * mi)
 {
        Display    *display = MI_DISPLAY(mi);
@@ -1255,19 +1252,14 @@ init_swirl(ModeInfo * mi)
 
        /* does the swirls array exist? */
        if (swirls == NULL) {
-               int         i;
-
                /* allocate an array, one entry for each screen */
-               swirls = (SWIRL_P) calloc(ScreenCount(display), sizeof (SWIRL));
-
-               /* initialise them all */
-               for (i = 0; i < ScreenCount(display); i++)
-                       initialise_swirl(mi, &swirls[i]);
+               swirls = (SWIRL_P) calloc(MI_NUM_SCREENS(mi), sizeof (SWIRL));
        }
        /* get a pointer to this swirl */
        swirl = &(swirls[MI_SCREEN(mi)]);
-
-       /* get window parameters */
+        initialise_swirl(mi, swirl);
+                
+        /* get window parameters */
        swirl->win = window;
        swirl->width = MI_WIN_WIDTH(mi);
        swirl->height = MI_WIN_HEIGHT(mi);
@@ -1348,7 +1340,7 @@ init_swirl(ModeInfo * mi)
  *
  * -      win is the window to draw in
  */
-void
+ENTRYPOINT void
 draw_swirl(ModeInfo * mi)
 {
        SWIRL_P     swirl = &(swirls[MI_SCREEN(mi)]);
@@ -1441,8 +1433,8 @@ draw_swirl(ModeInfo * mi)
 
 /****************************************************************/
 
-void
-release_swirl(ModeInfo * mi)
+ENTRYPOINT void
+release_swirl (ModeInfo * mi)
 {
        /* does the swirls array exist? */
        if (swirls != NULL) {
@@ -1452,10 +1444,14 @@ release_swirl(ModeInfo * mi)
                for (i = 0; i < MI_NUM_SCREENS(mi); i++) {
                        SWIRL_P     swirl = &(swirls[i]);
 
+#ifndef STANDALONE
                        if (swirl->cmap != (Colormap) NULL)
                                XFreeColormap(MI_DISPLAY(mi), swirl->cmap);
+#endif /* STANDALONE */
+#ifndef STANDALONE
                        if (swirl->rgb_values != NULL)
                                XFree((void *) swirl->rgb_values);
+#endif /* !STANDALONE */
                        if (swirl->ximage != NULL)
                                XDestroyImage(swirl->ximage);
                        if (swirl->knots)
@@ -1469,8 +1465,8 @@ release_swirl(ModeInfo * mi)
 
 /****************************************************************/
 
-void
-refresh_swirl(ModeInfo * mi)
+ENTRYPOINT void
+refresh_swirl (ModeInfo * mi)
 {
        SWIRL_P     swirl = &(swirls[MI_SCREEN(mi)]);
 
@@ -1480,3 +1476,5 @@ refresh_swirl(ModeInfo * mi)
                swirl->drawing = False;
        }
 }
+
+XSCREENSAVER_MODULE ("Swirl", swirl)