1 files changed, 123 insertions, 0 deletions
diff --git a/driver/test-fade.c b/driver/test-fade.c
new file mode 100644
index 0000000..9db773d
--- /dev/null
+++ b/driver/test-fade.c
@@ -0,0 +1,123 @@
+/* test-fade.c --- playing with colormap and/or gamma fading.
+ * xscreensaver, Copyright (c) 2001, 2004 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
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include <stdio.h>
+
+#include <X11/Intrinsic.h>
+#include "xscreensaver.h"
+#include "fade.h"
+
+#ifdef HAVE_SGI_VC_EXTENSION
+# include <X11/extensions/XSGIvc.h>
+#endif
+#ifdef HAVE_XF86VMODE_GAMMA
+# include <X11/extensions/xf86vmode.h>
+#endif
+
+XrmDatabase db = 0;
+char *progname = 0;
+char *progclass = "XScreenSaver";
+
+#define SGI_VC_NAME "SGI-VIDEO-CONTROL"
+#define XF86_VIDMODE_NAME "XFree86-VidModeExtension"
+
+int
+main (int argc, char **argv)
+{
+  int seconds = 3;
+  int ticks = 20;
+  int delay = 1;
+
+  int op, event, error, major, minor;
+
+  XtAppContext app;
+  Widget toplevel_shell = XtAppInitialize (&app, progclass, 0, 0,
+					   &argc, argv, 0, 0, 0);
+  Display *dpy = XtDisplay (toplevel_shell);
+  Colormap *current_maps;
+  int i;
+
+  XtGetApplicationNameAndClass (dpy, &progname, &progclass);
+  db = XtDatabase (dpy);
+
+  current_maps = (Colormap *) calloc(sizeof(Colormap), ScreenCount(dpy));
+  for (i = 0; i < ScreenCount(dpy); i++)
+    current_maps[i] = DefaultColormap (dpy, i);
+
+  if (!XQueryExtension (dpy, SGI_VC_NAME, &op, &event, &error))
+    fprintf(stderr, "%s: no " SGI_VC_NAME " extension\n", progname);
+  else
+    {
+# ifdef HAVE_SGI_VC_EXTENSION
+      if (!XSGIvcQueryVersion (dpy, &major, &minor))
+        fprintf(stderr, "%s: unable to get " SGI_VC_NAME " version\n",
+                progname);
+      else
+        fprintf(stderr, "%s: " SGI_VC_NAME " version %d.%d\n",
+                progname, major, minor);
+# else /* !HAVE_SGI_VC_EXTENSION */
+      fprintf(stderr, "%s: no support for display's " SGI_VC_NAME
+              " extension\n", progname);
+# endif /* !HAVE_SGI_VC_EXTENSION */
+    }
+
+
+  if (!XQueryExtension (dpy, XF86_VIDMODE_NAME, &op, &event, &error))
+    fprintf(stderr, "%s: no " XF86_VIDMODE_NAME " extension\n", progname);
+  else
+    {
+# ifdef HAVE_XF86VMODE_GAMMA
+      if (!XF86VidModeQueryVersion (dpy, &major, &minor))
+        fprintf(stderr, "%s: unable to get " XF86_VIDMODE_NAME " version\n",
+                progname);
+      else
+        fprintf(stderr, "%s: " XF86_VIDMODE_NAME " version %d.%d\n",
+                progname, major, minor);
+# else /* !HAVE_XF86VMODE_GAMMA */
+      fprintf(stderr, "%s: no support for display's " XF86_VIDMODE_NAME
+              " extension\n", progname);
+# endif /* !HAVE_XF86VMODE_GAMMA */
+    }
+
+  fprintf (stderr, "%s: fading %d screen%s\n",
+           progname, ScreenCount(dpy), ScreenCount(dpy) == 1 ? "" : "s");
+
+  while (1)
+    {
+      XSync (dpy, False);
+
+      fprintf(stderr, "%s: out...", progname);
+      fflush(stderr);
+      fade_screens (dpy, current_maps, 0, 0, seconds, ticks, True, False);
+      fprintf(stderr, "done.\n");
+      fflush(stderr);
+
+      if (delay) sleep (delay);
+
+      fprintf(stderr,"%s: in...", progname);
+      fflush(stderr);
+      fade_screens (dpy, current_maps, 0, 0, seconds, ticks, False, False);
+      fprintf(stderr, "done.\n");
+      fflush(stderr);
+
+      if (delay) sleep (delay);
+    }
+}