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+/* $Xorg: VisCmap.c,v 1.4 2001/02/09 02:03:53 xorgcvs Exp $ */
+
+/*
+
+Copyright 1989, 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.
+
+*/
+/* $XFree86: xc/lib/Xmu/VisCmap.c,v 1.6 2001/01/17 19:42:57 dawes Exp $ */
+
+/*
+ * Author: Donna Converse, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <math.h>
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/Xutil.h>
+#include <X11/Xmu/StdCmap.h>
+
+/*
+ * To create all of the appropriate standard colormaps for a given visual on
+ * a given screen, use XmuVisualStandardColormaps.
+ *
+ * Define all appropriate standard colormap properties for the given visual.
+ * If replace is true, any previous definition will be removed.
+ * If retain is true, new properties will be retained for the duration of
+ * the server session. Return 0 on failure, non-zero on success.
+ * On failure, no new properties will be defined, and, old ones may have
+ * been removed if replace was True.
+ *
+ * Not all standard colormaps are meaningful to all visual classes. This
+ * routine will check and define the following properties for the following
+ * classes, provided that the size of the colormap is not too small.
+ *
+ * DirectColor and PseudoColor
+ * RGB_DEFAULT_MAP
+ * RGB_BEST_MAP
+ * RGB_RED_MAP
+ * RGB_GREEN_MAP
+ * RGB_BLUE_MAP
+ * RGB_GRAY_MAP
+ *
+ * TrueColor and StaticColor
+ * RGB_BEST_MAP
+ *
+ * GrayScale and StaticGray
+ * RGB_GRAY_MAP
+ */
+
+Status
+XmuVisualStandardColormaps(Display *dpy, int screen, VisualID visualid,
+ unsigned int depth, Bool replace, Bool retain)
+ /*
+ * dpy - specifies server connection
+ * screen - specifies screen number
+ * visualid - specifies the visual
+ * depth - specifies the visual
+ * replace specifies - whether to replace
+ * retain - specifies whether to retain
+ */
+{
+ Status status;
+ int n;
+ long vinfo_mask;
+ XVisualInfo vinfo_template, *vinfo;
+
+ status = 0;
+ vinfo_template.screen = screen;
+ vinfo_template.visualid = visualid;
+ vinfo_template.depth = depth;
+ vinfo_mask = VisualScreenMask | VisualIDMask | VisualDepthMask;
+ if ((vinfo = XGetVisualInfo(dpy, vinfo_mask, &vinfo_template, &n)) == NULL)
+ return 0;
+
+ if (vinfo->colormap_size <= 2) {
+ /* Monochrome visuals have no standard maps; considered successful */
+ XFree((char *) vinfo);
+ return 1;
+ }
+
+ switch (vinfo->class)
+ {
+ case PseudoColor:
+ case DirectColor:
+ status = XmuLookupStandardColormap(dpy, screen, visualid, depth,
+ XA_RGB_DEFAULT_MAP, replace,retain);
+ if (!status) break;
+
+ status = XmuLookupStandardColormap(dpy, screen, visualid, depth,
+ XA_RGB_GRAY_MAP, replace, retain);
+ if (!status) {
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_DEFAULT_MAP);
+ break;
+ }
+
+ status = XmuLookupStandardColormap(dpy, screen, visualid, depth,
+ XA_RGB_RED_MAP, replace, retain);
+ if (!status) {
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_DEFAULT_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_GRAY_MAP);
+ break;
+ }
+
+ status = XmuLookupStandardColormap(dpy, screen, visualid, depth,
+ XA_RGB_GREEN_MAP, replace, retain);
+ if (!status) {
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_DEFAULT_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_GRAY_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_RED_MAP);
+ break;
+ }
+
+ status = XmuLookupStandardColormap(dpy, screen, visualid, depth,
+ XA_RGB_BLUE_MAP, replace, retain);
+ if (!status) {
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_DEFAULT_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_GRAY_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_RED_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_GREEN_MAP);
+ break;
+ }
+ /* fall through */
+
+ case StaticColor:
+ case TrueColor:
+
+ status = XmuLookupStandardColormap(dpy, screen, visualid, depth,
+ XA_RGB_BEST_MAP, replace, retain);
+ if (!status && (vinfo->class == PseudoColor ||
+ vinfo->class == DirectColor)) {
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_DEFAULT_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_GRAY_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_RED_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_GREEN_MAP);
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_BLUE_MAP);
+ }
+ break;
+ /* the end for PseudoColor, DirectColor, StaticColor, and TrueColor */
+
+ case GrayScale:
+ status = XmuLookupStandardColormap(dpy, screen, visualid, depth,
+ XA_RGB_DEFAULT_MAP, replace,
+ retain);
+ if (! status) break;
+ /*FALLTHROUGH*/
+
+ case StaticGray:
+
+ status = XmuLookupStandardColormap(dpy, screen, visualid, depth,
+ XA_RGB_GRAY_MAP, replace, retain);
+ if (! status && vinfo->class == GrayScale) {
+ XmuDeleteStandardColormap(dpy, screen, XA_RGB_DEFAULT_MAP);
+ break;
+ }
+ }
+
+ XFree((char *) vinfo);
+ return status;
+}