http://ftp.x.org/contrib/applications/xscreensaver-3.23.tar.gz

[xscreensaver] / hacks / qix.c

diff --git a/hacks/qix.c b/hacks/qix.c
index 24ea10bafbe078983767d16c9746b722449ff21e..44c85ec3051d24aac5aaf43a3c9d5ee25b2d3d4e 100644 (file)
--- a/hacks/qix.c
+++ b/hacks/qix.c
@@ -1,5 +1,5 @@
-/* xscreensaver, Copyright (c) 1992, 1995, 1996, 1997
- *  Jamie Zawinski <jwz@netscape.com>
+/* xscreensaver, Copyright (c) 1992, 1995, 1996, 1997, 1998
+ *  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
@@ -45,6 +45,9 @@ static int delay;
 static int count;
 static Colormap cmap;
 static int npoly;
+static Bool additive_p;
+static Bool cmap_p;
+
 
 static GC *gcs[2];
 
@@ -192,15 +195,18 @@ init_qix (Display *dpy, Window window)
   gcv.foreground = default_fg_pixel =
     get_pixel_resource ("foreground", "Foreground", dpy, cmap);
 
+  additive_p = get_boolean_resource ("additive", "Boolean");
+  cmap_p = has_writable_cells (xgwa.screen, xgwa.visual);
+
   if (transparent_p)
     {
-      Bool additive_p = get_boolean_resource ("additive", "Boolean");
       unsigned long *plane_masks = 0;
       unsigned long base_pixel;
       int nplanes = count;
       int i;
 
-      allocate_alpha_colors (dpy, cmap, &nplanes, additive_p, &plane_masks,
+      allocate_alpha_colors (xgwa.screen, xgwa.visual, cmap,
+                             &nplanes, additive_p, &plane_masks,
                             &base_pixel);
 
       if (nplanes <= 1)
@@ -230,6 +236,12 @@ init_qix (Display *dpy, Window window)
        {
          gcv.plane_mask = plane_masks [i];
          gcv.foreground = ~0;
+
+/*  argh, I'm not sure how to make "-subtractive" work in truecolor...
+          if (!cmap_p && !additive_p)
+            gcv.function = GXclear;
+ */
+
          if (xor_p)
            {
              gcv.function = GXxor;
@@ -454,8 +466,8 @@ qix1 (Display *dpy, Window window, struct qix *qix)
 char *progclass = "Qix";
 
 char *defaults [] = {
-  "Qix.background:     black",         /* to placate SGI */
-  "Qix.foreground:     white",
+  ".background:        black",
+  ".foreground:        white",
   "*count:     1",
   "*segments:  50",
   "*poly:      2",
@@ -504,7 +516,8 @@ screenhack (Display *dpy, Window window)
     for (qn = q1; *qn; qn++)
       {
        qix1 (dpy, window, *qn);
-       XSync (dpy, True);
+       XSync (dpy, False);
+        screenhack_handle_events (dpy);
        if (delay) usleep (delay);
       }
 }