http://packetstormsecurity.org/UNIX/admin/xscreensaver-4.00.tar.gz

[xscreensaver] / hacks / rorschach.c

diff --git a/hacks/rorschach.c b/hacks/rorschach.c
index eab1388743c82d4885cc38ed18309aa648ba7bdf..d9b0010ae85317239327d0bbbe7fd8c8ce009369 100644 (file)
--- a/hacks/rorschach.c
+++ b/hacks/rorschach.c
@@ -1,4 +1,5 @@
-/* xscreensaver, Copyright (c) 1992, 1996 Jamie Zawinski <jwz@netscape.com>
+/* xscreensaver, Copyright (c) 1992, 1996, 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
@@ -7,14 +8,19 @@
  * documentation.  No representations are made about the suitability of this
  * software for any purpose.  It is provided "as is" without express or 
  * implied warranty.
+ *
+ * 19971004: Johannes Keukelaar <johannes@nada.kth.se>: Use helix screen
+ *           eraser.
  */
 
 #include "screenhack.h"
+#include "erase.h"
 
 static GC draw_gc, erase_gc;
 static unsigned int default_fg_pixel;
 static int iterations, offset;
 static Bool xsym, ysym;
+static int sleep_time;
 
 static void
 init_rorschach (Display *dpy, Window window)
@@ -87,20 +93,17 @@ hurm (Display *dpy, Window window)
          j++;
        }
       XDrawPoints (dpy, window, draw_gc, points, j, CoordModeOrigin);
-      XSync (dpy, True);
-    }
-  sleep (5);
-  for (i = 0; i < (ylim >> 1); i++)
-    {
-      y = (random () % ylim);
-      XDrawLine (dpy, window, erase_gc, 0, y, xlim, y);
-      XFlush (dpy);
-      if ((i % 50) == 0)
-       usleep (10000);
+      XSync (dpy, False);
+      screenhack_handle_events (dpy);
     }
+  sleep ( sleep_time );
+
+  erase_full_window(dpy, window);
+
   XClearWindow (dpy, window);
   if (got_color) XFreeColors (dpy, cmap, &color.pixel, 1, 0);
-  XSync (dpy, True);
+  XSync (dpy, False);
+  screenhack_handle_events (dpy);
   sleep (1);
 }
 
@@ -108,12 +111,13 @@ hurm (Display *dpy, Window window)
 char *progclass = "Rorschach";
 
 char *defaults [] = {
-  "Rorschach.background:       black",         /* to placate SGI */
-  "Rorschach.foreground:       white",
+  ".background:        black",
+  ".foreground:        white",
   "*xsymmetry: true",
   "*ysymmetry: false",
   "*iterations:        4000",
   "*offset:    4",
+  "*delay:     5",
   0
 };
 
@@ -122,12 +126,17 @@ XrmOptionDescRec options [] = {
   { "-offset",         ".offset",      XrmoptionSepArg, 0 },
   { "-xsymmetry",      ".xsymmetry",   XrmoptionNoArg, "true" },
   { "-ysymmetry",      ".ysymmetry",   XrmoptionNoArg, "true" },
+  { "-no-xsymmetry",   ".xsymmetry",   XrmoptionNoArg, "false" },
+  { "-no-ysymmetry",   ".ysymmetry",   XrmoptionNoArg, "false" },
+  { "-erase-speed",    ".eraseSpeed",          XrmoptionSepArg, 0 },
+  { "-delay",           ".delay",               XrmoptionSepArg, 0 },
   { 0, 0, 0, 0 }
 };
 
 void
 screenhack (Display *dpy, Window window)
 {
+  sleep_time = get_integer_resource("delay", "Integer");
   init_rorschach (dpy, window);
   while (1)
     hurm (dpy, window);