ftp://ftp.uniovi.es/pub/X11R6/graphics/misc/lock/xscreensaver-1.22.tar.gz

[xscreensaver] / hacks / screenhack.h

diff --git a/hacks/screenhack.h b/hacks/screenhack.h
index 4cfc8f05e0ba16466fb34c3e1bf6755691e163e4..14e9a16cb0d1b1be5ff6c095eb5fa44b4b5df23f 100644 (file)
--- a/hacks/screenhack.h
+++ b/hacks/screenhack.h
@@ -1,3 +1,13 @@
+/* xscreensaver, Copyright (c) 1992, 1993 Jamie Zawinski <jwz@lucid.com>
+ *
+ * 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.
+ */
 
 #if 0
  * Found in Don Hopkin`s .plan file:
@@ -63,18 +73,22 @@ extern int options_size;
 extern char *defaults [];
 
 #if __STDC__
-
-# define bcopy(from,to,size) memcpy((to),(from),(size))
-# define bzero(addr,size) memset((addr),0,(size))
-
 # if defined(SVR4) || defined(SYSV)
-extern int rand (void);
-extern void srand (unsigned int);
-#  define random() rand()
-#  define srandom(i) srand((unsigned int)(i))
+#  ifndef random
+    extern int rand (void);
+#   define random() rand()
+#  endif
+#  ifndef srandom
+    extern void srand (unsigned int);
+#   define srandom(i) srand((unsigned int)(i))
+#  endif
 # else /* !totally-losing-SYSV */
-extern long random (void);
-extern void srandom (int);
+#  ifndef random
+    extern long random (void);
+#  endif
+#  ifndef srandom
+    extern void srandom (int);
+#  endif
 # endif /* !totally-losing-SYSV */
 #endif /* __STDC__ */
 
@@ -100,15 +114,17 @@ extern unsigned int get_seconds_resource P((char*,char*));
 extern Visual *get_visual_resource P((Display *, char *, char *));
 extern int get_visual_depth P((Display *, Visual *));
 
-void hsv_to_rgb P((int,double,double,unsigned short*,
-                  unsigned short*,unsigned short*));
-void rgb_to_hsv P((unsigned short,unsigned short,unsigned short,
-                  int*,double*,double*));
-void cycle_hue P((XColor*,int));
+extern void hsv_to_rgb P((int,double,double,unsigned short*,
+                         unsigned short*,unsigned short*));
+extern void rgb_to_hsv P((unsigned short,unsigned short,unsigned short,
+                         int*,double*,double*));
+extern void cycle_hue P((XColor*,int));
+
+extern void make_color_ramp P((int h1, double s1, double v1,
+                              int h2, double s2, double v2,
+                              XColor *pixels, int npixels));
 
-void make_color_ramp P((int h1, double s1, double v1,
-                       int h2, double s2, double v2,
-                       XColor *pixels, int npixels));
+extern Pixmap grab_screen_image P((Display *dpy, Window window, int root_p));
 
 static double _frand_tmp_;
 #define frand(f)                                                       \