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annotate src/video/Xext/XmuStdCmap/LookupCmap.c @ 5138:aee04c635ec6

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Tweak for documentation
author Sam Lantinga <slouken@libsdl.org>
date Tue, 01 Feb 2011 11:53:29 -0800
parents 2032348afed1
children
rev   line source
2185
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
parents:
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1 /* $Xorg: LookupCmap.c,v 1.4 2001/02/09 02:03:53 xorgcvs Exp $ */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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2
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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3 /*
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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4
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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5 Copyright 1989, 1998 The Open Group
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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6
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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7 Permission to use, copy, modify, distribute, and sell this software and its
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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8 documentation for any purpose is hereby granted without fee, provided that
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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9 the above copyright notice appear in all copies and that both that
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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10 copyright notice and this permission notice appear in supporting
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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11 documentation.
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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12
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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13 The above copyright notice and this permission notice shall be included in
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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14 all copies or substantial portions of the Software.
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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15
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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19 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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20 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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22
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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23 Except as contained in this notice, the name of The Open Group shall not be
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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24 used in advertising or otherwise to promote the sale, use or other dealings
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
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25 in this Software without prior written authorization from The Open Group.
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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26
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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27 */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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28 /* $XFree86: xc/lib/Xmu/LookupCmap.c,v 1.7 2001/07/25 15:04:50 dawes Exp $ */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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29
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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30 /*
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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31 * Author: Donna Converse, MIT X Consortium
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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32 */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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33
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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34 #ifdef HAVE_CONFIG_H
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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35 #include <config.h>
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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36 #endif
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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37 #include <stdio.h>
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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38 #include <X11/Xlib.h>
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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39 #include <X11/Xatom.h>
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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40 #include <X11/Xutil.h>
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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41 #include "../extensions/StdCmap.h"
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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42 #include <stdlib.h>
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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43
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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44 /*
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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45 * Prototypes
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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46 */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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47 static Status lookup(Display *, int, VisualID, Atom, XStandardColormap *,
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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48 Bool);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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49
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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50 /*
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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51 * To create a standard colormap if one does not currently exist, or
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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52 * replace the currently existing standard colormap, use
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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53 * XmuLookupStandardColormap().
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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54 *
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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55 * Given a screen, a visual, and a property, XmuLookupStandardColormap()
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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56 * will determine the best allocation for the property under the specified
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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57 * visual, and determine the whether to create a new colormap or to use
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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58 * the default colormap of the screen. It will call XmuStandardColormap()
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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59 * to create the standard colormap.
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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60 *
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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61 * If replace is true, any previous definition of the property will be
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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62 * replaced. If retain is true, the property and the colormap will be
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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63 * made permanent for the duration of the server session. However,
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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64 * pre-existing property definitions which are not replaced cannot be made
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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65 * permanent by a call to XmuLookupStandardColormap(); a request to retain
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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66 * resources pertains to newly created resources.
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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67 *
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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68 * Returns 0 on failure, non-zero on success. A request to create a
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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69 * standard colormap upon a visual which cannot support such a map is
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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70 * considered a failure. An example of this would be requesting any
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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71 * standard colormap property on a monochrome visual, or, requesting an
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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72 * RGB_BEST_MAP on a display whose colormap size is 16.
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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73 */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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74
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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75 Status
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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76 XmuLookupStandardColormap(Display * dpy, int screen, VisualID visualid,
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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77 unsigned int depth, Atom property,
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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78 Bool replace, Bool retain)
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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79 /*
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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80 * dpy - specifies X server connection
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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81 * screen - specifies screen of display
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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82 * visualid - specifies the visual type
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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83 * depth - specifies the visual type
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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84 * property - a standard colormap property
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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85 * replace - specifies whether to replace
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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86 * retain - specifies whether to retain
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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87 */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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88 {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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89 Display *odpy; /* original display connection */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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90 XStandardColormap *colormap;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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91 XVisualInfo vinfo_template, *vinfo; /* visual */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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92 long vinfo_mask;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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93 unsigned long r_max, g_max, b_max; /* allocation */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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94 int count;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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95 Colormap cmap; /* colormap ID */
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96 Status status = 0;
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97
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98
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99 /* Match the requested visual */
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100
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101 vinfo_template.visualid = visualid;
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102 vinfo_template.screen = screen;
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103 vinfo_template.depth = depth;
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104 vinfo_mask = VisualIDMask | VisualScreenMask | VisualDepthMask;
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105 if ((vinfo = XGetVisualInfo(dpy, vinfo_mask, &vinfo_template, &count)) ==
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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106 NULL)
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107 return 0;
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108
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109 /* Monochrome visuals have no standard maps */
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110
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111 if (vinfo->colormap_size <= 2) {
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112 XFree((char *) vinfo);
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113 return 0;
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114 }
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115
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116 /* If the requested property already exists on this screen, and,
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117 * if the replace flag has not been set to true, return success.
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118 * lookup() will remove a pre-existing map if replace is true.
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119 */
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120
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121 if (lookup(dpy, screen, visualid, property, (XStandardColormap *) NULL,
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122 replace) && !replace) {
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123 XFree((char *) vinfo);
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124 return 1;
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125 }
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126
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127 /* Determine the best allocation for this property under the requested
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128 * visualid and depth, and determine whether or not to use the default
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129 * colormap of the screen.
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130 */
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131
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132 if (!XmuGetColormapAllocation(vinfo, property, &r_max, &g_max, &b_max)) {
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133 XFree((char *) vinfo);
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134 return 0;
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135 }
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136
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137 cmap = (property == XA_RGB_DEFAULT_MAP &&
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138 visualid == XVisualIDFromVisual(DefaultVisual(dpy, screen)))
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139 ? DefaultColormap(dpy, screen) : None;
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140
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141 /* If retaining resources, open a new connection to the same server */
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142
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143 if (retain) {
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144 odpy = dpy;
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145 if ((dpy = XOpenDisplay(XDisplayString(odpy))) == NULL) {
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146 XFree((char *) vinfo);
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147 return 0;
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148 }
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149 }
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150
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151 /* Create the standard colormap */
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152
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153 colormap = XmuStandardColormap(dpy, screen, visualid, depth, property,
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154 cmap, r_max, g_max, b_max);
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155
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156 /* Set the standard colormap property */
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157
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158 if (colormap) {
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159 XGrabServer(dpy);
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160
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161 if (lookup(dpy, screen, visualid, property, colormap, replace) &&
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162 !replace) {
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163 /* Someone has defined the property since we last looked.
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164 * Since we will not replace it, release our own resources.
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165 * If this is the default map, our allocations will be freed
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166 * when this connection closes.
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167 */
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168 if (colormap->killid == ReleaseByFreeingColormap)
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169 XFreeColormap(dpy, colormap->colormap);
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170 } else if (retain) {
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171 XSetCloseDownMode(dpy, RetainPermanent);
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172 }
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173 XUngrabServer(dpy);
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174 XFree((char *) colormap);
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175 status = 1;
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176 }
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177
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178 if (retain)
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179 XCloseDisplay(dpy);
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180 XFree((char *) vinfo);
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181 return status;
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182 }
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183
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184 /***************************************************************************/
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185
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186 /* Lookup a standard colormap property. If the property is RGB_DEFAULT_MAP,
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187 * the visualid is used to determine whether the indicated standard colormap
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188 * exists. If the map exists and replace is true, delete the resources used
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189 * by the map and remove the property. Return true if the map exists,
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190 * or did exist and was deleted; return false if the map was not found.
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191 *
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192 * Note that this is not the way that a Status return is normally used.
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193 *
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194 * If new is not NULL, new points to an XStandardColormap structure which
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195 * describes a standard colormap of the specified property. It will be made
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196 * a standard colormap of the screen if none already exists, or if replace
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197 * is true.
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198 */
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199
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200 static Status
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201 lookup(Display * dpy, int screen, VisualID visualid, Atom property,
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202 XStandardColormap * cnew, Bool replace)
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203 /*
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204 * dpy - specifies display connection
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205 * screen - specifies screen number
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206 * visualid - specifies visualid for std map
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207 * property - specifies colormap property name
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208 * cnew - specifies a standard colormap
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209 * replace - specifies whether to replace
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210 */
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211 {
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212 register int i;
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213 int count;
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214 XStandardColormap *stdcmaps, *s;
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215 Window win = RootWindow(dpy, screen);
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216
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217 /* The property does not already exist */
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218
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219 if (!XGetRGBColormaps(dpy, win, &stdcmaps, &count, property)) {
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220 if (cnew)
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diff changeset
221 XSetRGBColormaps(dpy, win, cnew, 1, property);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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222 return 0;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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223 }
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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224
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
225 /* The property exists and is not describing the RGB_DEFAULT_MAP */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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226
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
227 if (property != XA_RGB_DEFAULT_MAP) {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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228 if (replace) {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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229 XmuDeleteStandardColormap(dpy, screen, property);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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230 if (cnew)
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
231 XSetRGBColormaps(dpy, win, cnew, 1, property);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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232 }
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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233 XFree((char *) stdcmaps);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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234 return 1;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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235 }
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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236
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
237 /* The property exists and is RGB_DEFAULT_MAP */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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238
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
239 for (i = 0, s = stdcmaps; (i < count) && (s->visualid != visualid);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
240 i++, s++);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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241
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
242 /* No RGB_DEFAULT_MAP property matches the given visualid */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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243
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
244 if (i == count) {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
245 if (cnew) {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
246 XStandardColormap *m, *maps;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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247
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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248 s = (XStandardColormap *) malloc((unsigned) ((count + 1) * sizeof
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
249 (XStandardColormap)));
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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250
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
251 for (i = 0, m = s, maps = stdcmaps; i < count; i++, m++, maps++) {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
252 m->colormap = maps->colormap;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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253 m->red_max = maps->red_max;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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254 m->red_mult = maps->red_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
255 m->green_max = maps->green_max;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
256 m->green_mult = maps->green_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
257 m->blue_max = maps->blue_max;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
258 m->blue_mult = maps->blue_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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259 m->base_pixel = maps->base_pixel;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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260 m->visualid = maps->visualid;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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261 m->killid = maps->killid;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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262 }
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
263 m->colormap = cnew->colormap;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
264 m->red_max = cnew->red_max;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
265 m->red_mult = cnew->red_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
266 m->green_max = cnew->green_max;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
267 m->green_mult = cnew->green_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
268 m->blue_max = cnew->blue_max;
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diff changeset
269 m->blue_mult = cnew->blue_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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270 m->base_pixel = cnew->base_pixel;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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271 m->visualid = cnew->visualid;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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272 m->killid = cnew->killid;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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273
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
274 XSetRGBColormaps(dpy, win, s, ++count, property);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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275 free((char *) s);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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276 }
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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277 XFree((char *) stdcmaps);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
278 return 0;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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279 }
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
280
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
281 /* Found an RGB_DEFAULT_MAP property with a matching visualid */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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282
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
283 if (replace) {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
284 /* Free old resources first - we may need them, particularly in
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
285 * the default colormap of the screen. However, because of this,
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
286 * it is possible that we will destroy the old resource and fail
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
287 * to create a new one if XmuStandardColormap() fails.
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
288 */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
289
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
290 if (count == 1) {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
291 XmuDeleteStandardColormap(dpy, screen, property);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
292 if (cnew)
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
293 XSetRGBColormaps(dpy, win, cnew, 1, property);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
294 } else {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
295 XStandardColormap *map;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
296
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
297 /* s still points to the matching standard colormap */
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
298
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
299 if (s->killid == ReleaseByFreeingColormap) {
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
300 if ((s->colormap != None) &&
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
301 (s->colormap != DefaultColormap(dpy, screen)))
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
302 XFreeColormap(dpy, s->colormap);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
303 } else if (s->killid != None)
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
304 XKillClient(dpy, s->killid);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
305
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
306 map = (cnew) ? cnew : stdcmaps + --count;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
307
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
308 s->colormap = map->colormap;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
309 s->red_max = map->red_max;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
310 s->red_mult = map->red_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
311 s->green_max = map->green_max;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
312 s->green_mult = map->green_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
313 s->blue_max = map->blue_max;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
314 s->blue_mult = map->blue_mult;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
315 s->visualid = map->visualid;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
316 s->killid = map->killid;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
317
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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diff changeset
318 XSetRGBColormaps(dpy, win, stdcmaps, count, property);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
319 }
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
320 }
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
321 XFree((char *) stdcmaps);
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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parents:
diff changeset
322 return 1;
2032348afed1 This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
Bob Pendleton <bob@pendleton.com>
parents:
diff changeset
323 }