ftp://ftp.uni-heidelberg.de/pub/X11/contrib/applications/xscreensaver-2.07.tar.gz

[xscreensaver] / hacks / xlockmoreI.h

diff --git a/hacks/xlockmoreI.h b/hacks/xlockmoreI.h
new file mode 100644 (file)
index 0000000..20df035
--- /dev/null
+++ b/hacks/xlockmoreI.h
@@ -0,0 +1,91 @@
+/* xlockmore.h --- xscreensaver compatibility layer for xlockmore modules.
+ * xscreensaver, Copyright (c) 1997 Jamie Zawinski <jwz@netscape.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.
+ *
+ * See xlockmore.h and xlockmore.c.
+ */
+
+#ifndef __XLOCKMORE_INTERNAL_H__
+#define __XLOCKMORE_INTERNAL_H__
+
+#include "screenhack.h"
+
+/* Compatibility with the xlockmore RNG API
+   (note that the xlockmore hacks never expect negative numbers.)
+ */
+#define LRAND()                        ((long) (random() & 0x7fffffff))
+#define NRAND(n)               ((int) (LRAND() % (n)))
+#define MAXRAND                        (2147483648.0) /* unsigned 1<<31 as a float */
+#define SRAND(n)               /* already seeded by screenhack.c */
+
+
+typedef struct ModeInfo {
+  Display *dpy;
+  Window window;
+  Bool root_p;
+  int npixels;
+  unsigned long *pixels;
+  XColor *colors;
+  Bool writable_p;
+  unsigned long white;
+  unsigned long black;
+  XWindowAttributes xgwa;
+  GC gc;
+  long pause;
+  Bool fullrandom;
+  long cycles;
+  long batchcount;
+  long size;
+  Bool threed;
+  long threed_left_color;
+  long threed_right_color;
+  long threed_both_color;
+  long threed_none_color;
+  long threed_delta;
+  Bool wireframe_p;
+} ModeInfo;
+
+typedef enum {  t_String, t_Float, t_Int, t_Bool } xlockmore_type;
+
+typedef struct {
+  void *var;
+  char *name;
+  char *classname;
+  char *def;
+  xlockmore_type type;
+} argtype;
+
+typedef struct {
+  char *opt;
+  char *desc;
+} OptionStruct;
+
+typedef struct {
+  int numopts;
+  XrmOptionDescRec *opts;
+  int numvarsdesc;
+  argtype *vars;
+  OptionStruct *desc;
+} ModeSpecOpt;
+
+extern void xlockmore_screenhack (Display *dpy, Window window,
+                                 Bool want_writable_colors,
+                                 Bool want_uniform_colors,
+                                 Bool want_smooth_colors,
+                                 Bool want_bright_colors,
+                                 void (*hack_init) (ModeInfo *),
+                                 void (*hack_draw) (ModeInfo *),
+                                 void (*hack_free) (ModeInfo *));
+
+#ifdef USE_GL
+extern Visual *get_gl_visual (Screen *screen, char *name, char *class);
+#endif
+
+#endif /* __XLOCKMORE_INTERNAL_H__ */