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annotate src/video/Xext/XmuStdCmap/LookupCmap.c @ 4447:947201caa46e

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Added automated test to Xcode project plus needed changes to SDL_RWFromFile to be OS X bundle aware. The Mac OS X project has a new target called testsdl which builds the automated test. I looked at using Xcode's native unit test support, but the impedance mismatch between the existing automated test structure and Apple's was more than I could handle. As such, the testsdl application is a full blown proper OS X application, which means it is a self-contained .app bundle. This immediately revealed some problems from the automated test. The largest problem was the assumption about the current working directory and where to find resources. (I suspect Windows may have a similar problem depending on circumstance.) To open resources, the test was looking in directories relative to the SDL source directory, but this will not work well with self-contained .app bundles and Xcode which can place its built applications almost anywhere. And for real-world situations, this is pretty useless anyway. So I modified SDL_RWFromFile to do special things on OS X. First, it will look for a file in the .app bundle. If not found, it will fallback and just call fopen as it used to do. I also had to modify the automated test itself because it had a contrieved test which called fopen directly to do read from an existing FILE pointer. In addition, there was a write test. Since a .app bundle is likely going to be read-only, I added a special case for OS X to write to NSTemporaryDirectory. I expect these changes should work for both Mac and iPhone OS (which includes iPad). I will update the iPhone Xcode project next. Finally, FYI, the X11 automated test seems to be failing. Below is my output. Pending breakpoint 4 - "-[NSException raise]" resolved Platform : All tests successful (2) SDL_RWops : All tests successful (5) Rect : All tests successful (1) SDL_Surface : All tests successful (6) Rendering with cocoa driver : All tests successful (3) Assert Failed! Blit output not the same. Test Case 'Renderer x11' Test Suite 'Rendering with x11 driver' Last SDL error '' Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetSurfaceBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetWindowBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetSurfaceBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetWindowBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetSurfaceBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetWindowBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetSurfaceBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetWindowBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetSurfaceBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetWindowBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetSurfaceBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetWindowBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSGetSurfaceBounds Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Sat May 8 00:30:34 iMacAL.local testsdl[71586] <Error>: kCGErrorIllegalArgument: CGSBindSurface: Invalid window 0xa150 Rendering with x11 driver : Failed 1 out of 4 testcases! Rendering with dummy driver : All tests successful (3) SDL_Audio : All tests successful (1) Tests run with SDL 1.3.0 revision 1095906 System is running Mac OS X and is little endian
author Eric Wing <ewing . public |-at-| gmail . com>
date Sat, 08 May 2010 00:54:22 -0700
parents 2032348afed1
children
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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>
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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>
parents:
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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
Bob Pendleton <bob@pendleton.com>
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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
Bob Pendleton <bob@pendleton.com>
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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
Bob Pendleton <bob@pendleton.com>
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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
Bob Pendleton <bob@pendleton.com>
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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
Bob Pendleton <bob@pendleton.com>
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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
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85 * replace - specifies whether to replace
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86 * retain - specifies whether to retain
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87 */
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88 {
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89 Display *odpy; /* original display connection */
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90 XStandardColormap *colormap;
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91 XVisualInfo vinfo_template, *vinfo; /* visual */
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92 long vinfo_mask;
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93 unsigned long r_max, g_max, b_max; /* allocation */
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94 int count;
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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)) ==
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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
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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195 * describes a standard colormap of the specified property. It will 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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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 /*
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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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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221 XSetRGBColormaps(dpy, win, cnew, 1, property);
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222 return 0;
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223 }
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224
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225 /* The property exists and is not describing the RGB_DEFAULT_MAP */
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226
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227 if (property != XA_RGB_DEFAULT_MAP) {
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228 if (replace) {
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229 XmuDeleteStandardColormap(dpy, screen, property);
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230 if (cnew)
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231 XSetRGBColormaps(dpy, win, cnew, 1, property);
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232 }
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233 XFree((char *) stdcmaps);
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234 return 1;
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235 }
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236
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237 /* The property exists and is RGB_DEFAULT_MAP */
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238
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239 for (i = 0, s = stdcmaps; (i < count) && (s->visualid != visualid);
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240 i++, s++);
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241
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242 /* No RGB_DEFAULT_MAP property matches the given visualid */
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243
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244 if (i == count) {
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245 if (cnew) {
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246 XStandardColormap *m, *maps;
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247
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248 s = (XStandardColormap *) malloc((unsigned) ((count + 1) * sizeof
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249 (XStandardColormap)));
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250
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251 for (i = 0, m = s, maps = stdcmaps; i < count; i++, m++, maps++) {
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252 m->colormap = maps->colormap;
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253 m->red_max = maps->red_max;
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254 m->red_mult = maps->red_mult;
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255 m->green_max = maps->green_max;
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256 m->green_mult = maps->green_mult;
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257 m->blue_max = maps->blue_max;
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258 m->blue_mult = maps->blue_mult;
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259 m->base_pixel = maps->base_pixel;
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260 m->visualid = maps->visualid;
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261 m->killid = maps->killid;
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262 }
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263 m->colormap = cnew->colormap;
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264 m->red_max = cnew->red_max;
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265 m->red_mult = cnew->red_mult;
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266 m->green_max = cnew->green_max;
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267 m->green_mult = cnew->green_mult;
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268 m->blue_max = cnew->blue_max;
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269 m->blue_mult = cnew->blue_mult;
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270 m->base_pixel = cnew->base_pixel;
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271 m->visualid = cnew->visualid;
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272 m->killid = cnew->killid;
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273
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274 XSetRGBColormaps(dpy, win, s, ++count, property);
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275 free((char *) s);
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276 }
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277 XFree((char *) stdcmaps);
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278 return 0;
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279 }
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280
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281 /* Found an RGB_DEFAULT_MAP property with a matching visualid */
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282
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283 if (replace) {
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284 /* Free old resources first - we may need them, particularly in
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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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286 * it is possible that we will destroy the old resource and fail
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287 * to create a new one if XmuStandardColormap() fails.
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288 */
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289
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diff changeset
290 if (count == 1) {
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291 XmuDeleteStandardColormap(dpy, screen, property);
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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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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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diff changeset
294 } else {
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295 XStandardColormap *map;
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296
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diff changeset
297 /* s still points to the matching standard colormap */
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298
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diff changeset
299 if (s->killid == ReleaseByFreeingColormap) {
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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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301 (s->colormap != DefaultColormap(dpy, screen)))
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302 XFreeColormap(dpy, s->colormap);
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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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diff changeset
304 XKillClient(dpy, s->killid);
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305
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diff changeset
306 map = (cnew) ? cnew : stdcmaps + --count;
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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>
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323 }