aboutsummaryrefslogtreecommitdiff
path: root/libX11/src/GetStCmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'libX11/src/GetStCmap.c')
-rw-r--r--libX11/src/GetStCmap.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/libX11/src/GetStCmap.c b/libX11/src/GetStCmap.c
new file mode 100644
index 000000000..0c05cbbf2
--- /dev/null
+++ b/libX11/src/GetStCmap.c
@@ -0,0 +1,118 @@
+/* $Xorg: GetStCmap.c,v 1.4 2001/02/09 02:03:33 xorgcvs Exp $ */
+
+/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+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.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xlibint.h>
+#include <X11/Xutil.h>
+#include "Xatomtype.h"
+#include <X11/Xatom.h>
+
+/*
+ * WARNING
+ *
+ * This is a pre-ICCCM routine. It must not reference any of the new fields
+ * in the XStandardColormap structure.
+ */
+
+Status XGetStandardColormap (
+ Display *dpy,
+ Window w,
+ XStandardColormap *cmap,
+ Atom property) /* XA_RGB_BEST_MAP, etc. */
+{
+ Status stat; /* return value */
+ XStandardColormap *stdcmaps; /* will get malloced value */
+ int nstdcmaps; /* count of above */
+
+ stat = XGetRGBColormaps (dpy, w, &stdcmaps, &nstdcmaps, property);
+ if (stat) {
+ XStandardColormap *use;
+
+ if (nstdcmaps > 1) {
+ VisualID vid;
+ Screen *sp = _XScreenOfWindow (dpy, w);
+ int i;
+
+ if (!sp) {
+ if (stdcmaps) Xfree ((char *) stdcmaps);
+ return False;
+ }
+ vid = sp->root_visual->visualid;
+
+ for (i = 0; i < nstdcmaps; i++) {
+ if (stdcmaps[i].visualid == vid) break;
+ }
+
+ if (i == nstdcmaps) { /* not found */
+ Xfree ((char *) stdcmaps);
+ return False;
+ }
+ use = &stdcmaps[i];
+ } else {
+ use = stdcmaps;
+ }
+
+ /*
+ * assign only those fields which were in the pre-ICCCM version
+ */
+ cmap->colormap = use->colormap;
+ cmap->red_max = use->red_max;
+ cmap->red_mult = use->red_mult;
+ cmap->green_max = use->green_max;
+ cmap->green_mult = use->green_mult;
+ cmap->blue_max = use->blue_max;
+ cmap->blue_mult = use->blue_mult;
+ cmap->base_pixel = use->base_pixel;
+
+ Xfree ((char *) stdcmaps); /* don't need alloced memory */
+ }
+ return stat;
+}