Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11gamma.c @ 2213:59a667370c57
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| author | Bob Pendleton <bob@pendleton.com> |
|---|---|
| date | Tue, 24 Jul 2007 18:46:45 +0000 |
| parents | 9462f4408ecb |
| children | e7164a4dac62 |
| rev | line source |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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1 /* |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
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2 SDL - Simple DirectMedia Layer |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
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3 Copyright (C) 1997-2006 Sam Lantinga |
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1d23870d8c49
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Bob Pendleton <bob@pendleton.com>
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4 |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
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5 This library is free software; you can redistribute it and/or |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
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6 modify it under the terms of the GNU Lesser General Public |
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Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
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7 License as published by the Free Software Foundation; either |
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Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
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8 version 2.1 of the License, or (at your option) any later version. |
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Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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9 |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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10 This library is distributed in the hope that it will be useful, |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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13 Lesser General Public License for more details. |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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14 |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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15 You should have received a copy of the GNU Lesser General Public |
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Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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16 License along with this library; if not, write to the Free Software |
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Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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1d23870d8c49
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parents:
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18 |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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21 */ |
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22 #include "SDL_config.h" |
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23 #include "../SDL_sysvideo.h" |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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24 #include "SDL_x11video.h" |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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25 |
| 2213 | 26 static int numCmaps = 0; |
| 27 | |
| 28 typedef struct | |
| 29 { | |
| 30 Display *display; | |
| 31 int scrNum; | |
| 32 XStandardColormap cmap; | |
| 33 Visual visual; | |
| 34 } cmapTableEntry; | |
| 35 | |
| 36 cmapTableEntry *cmapTable = NULL; | |
| 37 | |
| 38 void | |
| 39 X11_TrackColormap(Display * display, int scrNum, | |
| 40 XStandardColormap * cmap, Visual * visual) | |
| 41 { | |
| 42 int i; | |
| 43 cmapTableEntry *newTable = NULL; | |
| 44 | |
| 45 /* only tracking DirectColor colormaps because they're the only ones | |
| 46 with gamma ramps */ | |
| 47 if (DirectColor != visual->class) { | |
| 48 return; | |
| 49 } | |
| 50 | |
| 51 /* search the table to find out if we already have this one. We only | |
| 52 want one entry for each display, screen number, visualid | |
| 53 combination */ | |
| 54 for (i = 0; i < numCmaps; i++) { | |
| 55 if (cmapTable[i].display == display && | |
| 56 cmapTable[i].scrNum == scrNum && | |
| 57 cmapTable[i].cmap.visualid == cmap->visualid) { | |
| 58 return; | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 /* increase the table by one entry. If the table is NULL create the | |
| 63 first entrty */ | |
| 64 newTable = SDL_malloc((numCmaps + 1) * sizeof(cmapTableEntry)); | |
| 65 if (NULL == newTable) { | |
| 66 SDL_SetError("Out of memory in X11_TrackColormap()"); | |
| 67 return; | |
| 68 } | |
| 69 | |
| 70 if (NULL != cmapTable) { | |
| 71 SDL_memcpy(newTable, cmapTable, numCmaps * sizeof(cmapTableEntry)); | |
| 72 SDL_free(cmapTable); | |
| 73 } | |
| 74 cmapTable = newTable; | |
| 75 | |
| 76 cmapTable[numCmaps].display = display; | |
| 77 cmapTable[numCmaps].scrNum = scrNum; | |
| 78 SDL_memcpy(&cmapTable[numCmaps].cmap, cmap, sizeof(XStandardColormap)); | |
| 79 SDL_memcpy(&cmapTable[numCmaps].visual, visual, sizeof(Visual)); | |
| 80 | |
| 81 numCmaps++; | |
| 82 } | |
| 83 | |
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2162
1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
diff
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84 int |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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85 X11_SetDisplayGammaRamp(_THIS, Uint16 * ramp) |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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86 { |
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2211
9462f4408ecb
Oops, meant PsuedoColor not TrueColor
Bob Pendleton <bob@pendleton.com>
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87 return -1; |
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2162
1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
diff
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88 } |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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89 |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
diff
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90 int |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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91 X11_GetDisplayGammaRamp(_THIS, Uint16 * ramp) |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
diff
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92 { |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
parents:
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93 return -1; |
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1d23870d8c49
Added stubs for x11 gamma functions and enabled them in SDL_x11video.c
Bob Pendleton <bob@pendleton.com>
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94 } |