http://ftp.aanet.ru/pub/Linux/X11/apps/xscreensaver-2.31.tar.gz

[xscreensaver] / hacks / xroger-hack.c

diff --git a/hacks/xroger-hack.c b/hacks/xroger-hack.c
index 72bd2d3c76283cf9f12ee202733818ea637d8a2f..278189c50216dfbbce98eef8333215c983dc59c0 100644 (file)
--- a/hacks/xroger-hack.c
+++ b/hacks/xroger-hack.c
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 1991-1994 Jamie Zawinski <jwz@mcom.com>
+/* xscreensaver, Copyright (c) 1991-1994 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
@@ -14,20 +14,18 @@
 char *progclass = "XRoger";
 
 char *defaults [] = {
-  "XRoger.background:  black",
-  "XRoger.foreground:  red",
+  ".background:                black",
+  ".foreground:                red",
   "*delay:             5",
   0
 };
 
 XrmOptionDescRec options [] = {
-  { "-delay",          ".delay",       XrmoptionSepArg, 0 }
+  { "-delay",          ".delay",       XrmoptionSepArg, 0 },
+  { 0, 0, 0, 0 }
 };
-int options_size = (sizeof (options) / sizeof (options[0]));
 
-#if __STDC__
 extern void skull (Display *, Window, GC, GC, int, int, int, int);
-#endif
 
 void
 screenhack (dpy, window)
@@ -59,7 +57,6 @@ screenhack (dpy, window)
     {
       int w, h, ww, hh, x, y;
       time_t start_time;
-      XWindowAttributes xgwa;
       XGetWindowAttributes (dpy, window, &xgwa);
       w = xgwa.width;
       h = xgwa.height;
@@ -73,6 +70,8 @@ screenhack (dpy, window)
       x = random () % (w - ww);
       y = random () % (h - hh);
       XClearWindow (dpy, window);
+
+
       skull (dpy, window, draw_gc, erase_gc, x, y, ww, hh);
       XSync (dpy, True);
       start_time = time ((time_t *) 0);
@@ -81,14 +80,14 @@ screenhack (dpy, window)
       else
        while (start_time + delay > time ((time_t *) 0))
          {
-           int h;
-           double s, v;
+           int H;
+           double S, V;
            color2 = color;
-           rgb_to_hsv (color2.red, color2.green, color2.blue, &h, &s, &v);
-           v += delta;
-           if (v >= 1.0) v = 1.0, delta = -delta;
-           if (v <= 0.7) v = 0.7, delta = -delta;
-           hsv_to_rgb (h, s, v, &color2.red, &color2.green, &color2.blue);
+           rgb_to_hsv (color2.red, color2.green, color2.blue, &H, &S, &V);
+           V += delta;
+           if (V >= 1.0) V = 1.0, delta = -delta;
+           if (V <= 0.6) V = 0.7, delta = -delta;
+           hsv_to_rgb (H, S, V, &color2.red, &color2.green, &color2.blue);
            color3 = color2;
            if (XAllocColor (dpy, cmap, &color3))
              {