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/*
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from The Open Group.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <X11/Xlibint.h>
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#include <X11/Xutil.h>
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#include "Xatomtype.h"
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#include <X11/Xatom.h>
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#include "reallocarray.h"
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void XSetRGBColormaps (
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Display *dpy,
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Window w,
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XStandardColormap *cmaps,
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int count,
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Atom property) /* XA_RGB_BEST_MAP, etc. */
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{
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register int i; /* iterator variable */
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register xPropStandardColormap *map; /* tmp variable, data in prop */
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register XStandardColormap *cmap; /* tmp variable, user data */
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xPropStandardColormap *data, tmpdata; /* scratch data */
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int mode = PropModeReplace; /* for partial writes */
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Bool alloced_scratch_space; /* do we need to free? */
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if (count < 1) return;
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/*
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* if doing more than one, allocate scratch space for it
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*/
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if ((count > 1) &&
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((data = (Xmallocarray(count,
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sizeof(xPropStandardColormap)))) != NULL)) {
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alloced_scratch_space = True;
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} else {
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data = &tmpdata;
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alloced_scratch_space = False;
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}
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/*
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* Do the iteration. If using temp space put out each part of the prop;
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* otherwise, wait until the end and blast it all at once.
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*/
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for (i = count, map = data, cmap = cmaps; i > 0; i--, cmap++) {
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map->colormap = cmap->colormap;
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map->red_max = cmap->red_max;
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map->red_mult = cmap->red_mult;
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map->green_max = cmap->green_max;
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map->green_mult = cmap->green_mult;
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map->blue_max = cmap->blue_max;
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map->blue_mult = cmap->blue_mult;
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map->base_pixel = cmap->base_pixel;
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map->visualid = cmap->visualid;
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map->killid = cmap->killid;
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if (alloced_scratch_space) {
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map++;
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} else {
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XChangeProperty (dpy, w, property, XA_RGB_COLOR_MAP, 32, mode,
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(unsigned char *) data,
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NumPropStandardColormapElements);
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mode = PropModeAppend;
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}
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}
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if (alloced_scratch_space) {
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XChangeProperty (dpy, w, property, XA_RGB_COLOR_MAP, 32,
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PropModeReplace, (unsigned char *) data,
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(int) (count * NumPropStandardColormapElements));
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Xfree (data);
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}
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}
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