/* 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);
}
}