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authorGerd Moellmann <gerd@gnu.org>2001-10-17 09:27:02 +0000
committerGerd Moellmann <gerd@gnu.org>2001-10-17 09:27:02 +0000
commit09954f3be12fd8cbbe435a588d635d46702cd336 (patch)
tree3c0cc8018f557ae30a4a894795e28f97cd55cf2d /admin/alloc-colors.c
parent945220bdb2920f4c9260034434129830f90e33eb (diff)
downloademacs-09954f3be12fd8cbbe435a588d635d46702cd336.tar.gz
*** empty log message ***
Diffstat (limited to 'admin/alloc-colors.c')
-rw-r--r--admin/alloc-colors.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/admin/alloc-colors.c b/admin/alloc-colors.c
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index 00000000000..d293007bb7b
--- /dev/null
+++ b/admin/alloc-colors.c
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+/* Allocate X colors. Used for testing with dense colormaps.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <X11/Xlib.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <unistd.h>
+
+void
+fatal (const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start (ap, fmt);
+ vfprintf (stderr, fmt, ap);
+ fputc ('\n', stderr);
+ va_end (ap);
+ exit (1);
+}
+
+void
+usage (const char *progname)
+{
+ fprintf (stderr, "Usage %s options\n", progname);
+ fprintf (stderr, "-n NCOLORS allcoate NCOLORS colors\n");
+ exit (1);
+}
+
+int
+main (int argc, char **argv)
+{
+ Display *dpy;
+ int opt, ncolors = 0, i;
+ XColor *allocated;
+ int nallocated;
+ XColor color;
+ Colormap cmap;
+
+ while ((opt = getopt (argc, argv, "n:")) != EOF)
+ switch (opt)
+ {
+ case 'n':
+ ncolors = atoi (optarg);
+ break;
+
+ case '?':
+ usage (argv[0]);
+ }
+
+ if (ncolors == 0)
+ usage (argv[0]);
+
+ dpy = XOpenDisplay ("");
+ if (dpy == NULL)
+ fatal ("Cannot open display");
+ cmap = DefaultColormap (dpy, 0);
+
+ allocated = malloc (ncolors * sizeof *allocated);
+ nallocated = 0;
+ memset (&color, 0, sizeof color);
+
+ while (nallocated < ncolors
+ && color.red < 65536)
+ {
+ allocated[nallocated] = color;
+ if (XAllocColor (dpy, cmap, &allocated[nallocated]))
+ {
+ for (i = 0; i < nallocated; ++i)
+ if (allocated[i].red == allocated[nallocated].red
+ && allocated[i].green == allocated[nallocated].green
+ && allocated[i].blue == allocated[nallocated].blue)
+ break;
+
+ if (i == nallocated)
+ {
+ printf ("allocated %d/%d/%d\n",
+ allocated[nallocated].red,
+ allocated[nallocated].green,
+ allocated[nallocated].blue);
+ ++nallocated;
+ }
+ }
+
+ ++color.red;
+ ++color.green;
+ ++color.blue;
+ }
+
+ fprintf (stderr, "Waiting. Press ^C to stop.\n");
+ while (1)
+ sleep (10);
+
+ XCloseDisplay (dpy);
+ return 0;
+}