Mercurial > sdl-ios-xcode
annotate src/video/SDL_pixels.c @ 3566:07c8339c95c6
Fixed bug #905
Give the foreign window message proc more control over Windows events.
This may need to be adjusted when we add the capability for the app to specify whether it wants SDL to handle input for the window or not.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 15 Dec 2009 09:20:10 +0000 |
parents | 7184580ab756 |
children | 7dec3fe9b580 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
2859 | 3 Copyright (C) 1997-2009 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
0 | 9 |
10 This library is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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13 Lesser General Public License for more details. |
0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 /* General (mostly internal) pixel/color manipulation routines for SDL */ | |
25 | |
26 #include "SDL_endian.h" | |
27 #include "SDL_video.h" | |
28 #include "SDL_sysvideo.h" | |
29 #include "SDL_blit.h" | |
30 #include "SDL_pixels_c.h" | |
31 #include "SDL_RLEaccel_c.h" | |
32 | |
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33 struct SDL_PaletteWatch |
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34 { |
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35 SDL_PaletteChangedFunc callback; |
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36 void *userdata; |
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37 struct SDL_PaletteWatch *next; |
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38 }; |
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39 |
0 | 40 /* Helper functions */ |
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41 |
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42 SDL_bool |
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43 SDL_PixelFormatEnumToMasks(Uint32 format, int *bpp, Uint32 * Rmask, |
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44 Uint32 * Gmask, Uint32 * Bmask, Uint32 * Amask) |
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45 { |
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46 Uint32 masks[4]; |
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47 |
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48 /* Initialize the values here */ |
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49 if (SDL_BYTESPERPIXEL(format) <= 2) { |
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50 *bpp = SDL_BITSPERPIXEL(format); |
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51 } else { |
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52 *bpp = SDL_BYTESPERPIXEL(format) * 8; |
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53 } |
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54 *Rmask = *Gmask = *Bmask = *Amask = 0; |
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55 |
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56 if (format == SDL_PIXELFORMAT_RGB24) { |
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57 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
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58 *Rmask = 0x00FF0000; |
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59 *Gmask = 0x0000FF00; |
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60 *Bmask = 0x000000FF; |
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61 #else |
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62 *Rmask = 0x000000FF; |
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63 *Gmask = 0x0000FF00; |
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64 *Bmask = 0x00FF0000; |
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65 #endif |
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66 return SDL_TRUE; |
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67 } |
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68 |
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69 if (format == SDL_PIXELFORMAT_BGR24) { |
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70 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
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71 *Rmask = 0x000000FF; |
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72 *Gmask = 0x0000FF00; |
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73 *Bmask = 0x00FF0000; |
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74 #else |
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75 *Rmask = 0x00FF0000; |
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76 *Gmask = 0x0000FF00; |
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77 *Bmask = 0x000000FF; |
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78 #endif |
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79 return SDL_TRUE; |
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80 } |
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81 |
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82 if (SDL_PIXELTYPE(format) != SDL_PIXELTYPE_PACKED8 && |
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83 SDL_PIXELTYPE(format) != SDL_PIXELTYPE_PACKED16 && |
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84 SDL_PIXELTYPE(format) != SDL_PIXELTYPE_PACKED32) { |
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85 /* Not a format that uses masks */ |
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86 return SDL_TRUE; |
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87 } |
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88 |
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89 switch (SDL_PIXELLAYOUT(format)) { |
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90 case SDL_PACKEDLAYOUT_332: |
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91 masks[0] = 0x00000000; |
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92 masks[1] = 0x000000E0; |
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93 masks[2] = 0x0000001C; |
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94 masks[3] = 0x00000003; |
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95 break; |
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96 case SDL_PACKEDLAYOUT_4444: |
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97 masks[0] = 0x0000F000; |
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98 masks[1] = 0x00000F00; |
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99 masks[2] = 0x000000F0; |
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100 masks[3] = 0x0000000F; |
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101 break; |
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102 case SDL_PACKEDLAYOUT_1555: |
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103 masks[0] = 0x00008000; |
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104 masks[1] = 0x00007C00; |
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105 masks[2] = 0x000003E0; |
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106 masks[3] = 0x0000001F; |
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107 break; |
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108 case SDL_PACKEDLAYOUT_5551: |
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109 masks[0] = 0x0000F800; |
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110 masks[1] = 0x000007C0; |
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111 masks[2] = 0x0000003E; |
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112 masks[3] = 0x00000001; |
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113 break; |
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114 case SDL_PACKEDLAYOUT_565: |
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115 masks[0] = 0x00000000; |
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116 masks[1] = 0x0000F800; |
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117 masks[2] = 0x000007E0; |
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118 masks[3] = 0x0000001F; |
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119 break; |
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120 case SDL_PACKEDLAYOUT_8888: |
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121 masks[0] = 0xFF000000; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
122 masks[1] = 0x00FF0000; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
123 masks[2] = 0x0000FF00; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
124 masks[3] = 0x000000FF; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
125 break; |
1965
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SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
126 case SDL_PACKEDLAYOUT_2101010: |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
127 masks[0] = 0xC0000000; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
128 masks[1] = 0x3FF00000; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
129 masks[2] = 0x000FFC00; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
130 masks[3] = 0x000003FF; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
131 break; |
3163
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Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
2990
diff
changeset
|
132 case SDL_PACKEDLAYOUT_1010102: |
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
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changeset
|
133 masks[0] = 0xFFC00000; |
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
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diff
changeset
|
134 masks[1] = 0x003FF000; |
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
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diff
changeset
|
135 masks[2] = 0x00000FFC; |
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
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diff
changeset
|
136 masks[3] = 0x00000003; |
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
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diff
changeset
|
137 break; |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
138 default: |
3484
fed6d4c6c693
Set the error so someone can get more information
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
139 SDL_SetError("Unknown pixel format"); |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
140 return SDL_FALSE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
141 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
142 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
143 switch (SDL_PIXELORDER(format)) { |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
144 case SDL_PACKEDORDER_XRGB: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
145 *Rmask = masks[1]; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
146 *Gmask = masks[2]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
147 *Bmask = masks[3]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
148 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
149 case SDL_PACKEDORDER_RGBX: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
150 *Rmask = masks[0]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
151 *Gmask = masks[1]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
152 *Bmask = masks[2]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
153 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
154 case SDL_PACKEDORDER_ARGB: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
155 *Amask = masks[0]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
156 *Rmask = masks[1]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
157 *Gmask = masks[2]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
158 *Bmask = masks[3]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
159 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
160 case SDL_PACKEDORDER_RGBA: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
161 *Rmask = masks[0]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
162 *Gmask = masks[1]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
163 *Bmask = masks[2]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
164 *Amask = masks[3]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
165 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
166 case SDL_PACKEDORDER_XBGR: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
167 *Bmask = masks[1]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
168 *Gmask = masks[2]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
169 *Rmask = masks[3]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
170 break; |
1965
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SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
171 case SDL_PACKEDORDER_BGRX: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
172 *Bmask = masks[0]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
173 *Gmask = masks[1]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
174 *Rmask = masks[2]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
175 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
176 case SDL_PACKEDORDER_BGRA: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
177 *Bmask = masks[0]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
178 *Gmask = masks[1]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
179 *Rmask = masks[2]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
180 *Amask = masks[3]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
181 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
182 case SDL_PACKEDORDER_ABGR: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
183 *Amask = masks[0]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
184 *Bmask = masks[1]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
185 *Gmask = masks[2]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
186 *Rmask = masks[3]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
187 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
188 default: |
3484
fed6d4c6c693
Set the error so someone can get more information
Sam Lantinga <slouken@libsdl.org>
parents:
3284
diff
changeset
|
189 SDL_SetError("Unknown pixel format"); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
190 return SDL_FALSE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
191 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
192 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
193 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
194 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
195 Uint32 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
196 SDL_MasksToPixelFormatEnum(int bpp, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
197 Uint32 Amask) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
198 { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
199 switch (bpp) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
200 case 8: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
201 switch (Rmask) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
202 case 0: |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
203 return SDL_PIXELFORMAT_INDEX8; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
204 case 0xE0: |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
205 return SDL_PIXELFORMAT_RGB332; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
206 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
207 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
208 case 12: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
209 switch (Rmask) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
210 case 0x0F00: |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
211 return SDL_PIXELFORMAT_RGB444; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
212 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
213 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
214 case 15: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
215 switch (Rmask) { |
2735
204be4fc2726
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
2275
diff
changeset
|
216 case 0x001F: |
204be4fc2726
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
2275
diff
changeset
|
217 return SDL_PIXELFORMAT_BGR555; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
218 case 0x7C00: |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
219 return SDL_PIXELFORMAT_RGB555; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
220 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
221 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
222 case 16: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
223 switch (Rmask) { |
3163
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
2990
diff
changeset
|
224 case 0x000F: |
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
2990
diff
changeset
|
225 return SDL_PIXELFORMAT_ABGR4444; |
2735
204be4fc2726
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
2275
diff
changeset
|
226 case 0x001F: |
3163
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
2990
diff
changeset
|
227 if (Gmask == 0x07E0) { |
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
2990
diff
changeset
|
228 return SDL_PIXELFORMAT_BGR565; |
a252014ce27d
Support for BGR565 pixel format has been added, mainly for OpenGL ES renderer. OpenGL ES renderer now have new texture formats.
Mike Gorchak <lestat@i.com.ua>
parents:
2990
diff
changeset
|
229 } |
2735
204be4fc2726
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
2275
diff
changeset
|
230 return SDL_PIXELFORMAT_ABGR1555; |
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231 case 0x0F00: |
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232 return SDL_PIXELFORMAT_ARGB4444; |
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233 case 0x7C00: |
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234 return SDL_PIXELFORMAT_ARGB1555; |
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235 case 0xF800: |
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236 return SDL_PIXELFORMAT_RGB565; |
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237 } |
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238 break; |
3182
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Support for 24 bpp pixel formats has been added.
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239 case 24: |
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Support for 24 bpp pixel formats has been added.
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240 switch (Rmask) { |
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Support for 24 bpp pixel formats has been added.
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241 case 0x00FF0000: |
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Support for 24 bpp pixel formats has been added.
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242 return SDL_PIXELFORMAT_RGB888; |
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Support for 24 bpp pixel formats has been added.
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243 case 0x000000FF: |
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Support for 24 bpp pixel formats has been added.
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244 return SDL_PIXELFORMAT_BGR888; |
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Support for 24 bpp pixel formats has been added.
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245 case 0x00000000: |
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Support for 24 bpp pixel formats has been added.
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246 /* FIXME: At this point we can't distinguish */ |
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247 /* if this format is RGB24 or BGR24 */ |
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248 return SDL_PIXELFORMAT_RGB24; |
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249 } |
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250 case 32: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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251 switch (Rmask) { |
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252 case 0xFF000000: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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253 if (Amask == 0x000000FF) { |
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254 return SDL_PIXELFORMAT_RGBA8888; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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255 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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256 break; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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257 case 0x00FF0000: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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258 if (Amask == 0xFF000000) { |
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259 return SDL_PIXELFORMAT_ARGB8888; |
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260 } else { |
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261 return SDL_PIXELFORMAT_RGB888; |
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262 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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263 break; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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264 case 0x0000FF00: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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265 if (Amask == 0x000000FF) { |
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266 return SDL_PIXELFORMAT_BGRA8888; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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267 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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268 break; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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269 case 0x000000FF: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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270 if (Amask == 0xFF000000) { |
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271 return SDL_PIXELFORMAT_ABGR8888; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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272 } else { |
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273 return SDL_PIXELFORMAT_BGR888; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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274 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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275 break; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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276 case 0x3FF00000: |
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277 return SDL_PIXELFORMAT_ARGB2101010; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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278 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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279 } |
1965
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280 return SDL_PIXELFORMAT_UNKNOWN; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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281 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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282 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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283 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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284 SDL_Palette * |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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285 SDL_AllocPalette(int ncolors) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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286 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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287 SDL_Palette *palette; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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288 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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289 palette = (SDL_Palette *) SDL_malloc(sizeof(*palette)); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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290 if (!palette) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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291 SDL_OutOfMemory(); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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292 return NULL; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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293 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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294 palette->colors = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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295 (SDL_Color *) SDL_malloc(ncolors * sizeof(*palette->colors)); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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296 if (!palette->colors) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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297 SDL_free(palette); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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298 return NULL; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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299 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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300 palette->ncolors = ncolors; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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301 palette->watch = NULL; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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302 palette->refcount = 1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
303 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
304 SDL_memset(palette->colors, 0xFF, ncolors * sizeof(*palette->colors)); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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305 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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306 return palette; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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307 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
308 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
309 int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
310 SDL_AddPaletteWatch(SDL_Palette * palette, SDL_PaletteChangedFunc callback, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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311 void *userdata) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
312 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
313 SDL_PaletteWatch *watch; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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314 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
315 if (!palette) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
316 return -1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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317 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
318 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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319 watch = (SDL_PaletteWatch *) SDL_malloc(sizeof(*watch)); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
320 if (!watch) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
321 SDL_OutOfMemory(); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
322 return -1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
323 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
324 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
325 watch->callback = callback; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
326 watch->userdata = userdata; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
327 watch->next = palette->watch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
328 palette->watch = watch; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
329 ++palette->refcount; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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330 return 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
331 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
332 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
333 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
334 SDL_DelPaletteWatch(SDL_Palette * palette, SDL_PaletteChangedFunc callback, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
335 void *userdata) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
336 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
337 SDL_PaletteWatch *prev, *watch; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
338 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
339 if (!palette) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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340 return; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
341 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
342 |
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343 for (prev = NULL, watch = palette->watch; watch; |
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344 prev = watch, watch = watch->next) { |
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345 if (watch->callback == callback && watch->userdata == userdata) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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346 if (prev) { |
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347 prev->next = watch->next; |
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348 } else { |
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349 palette->watch = watch->next; |
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350 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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351 SDL_free(watch); |
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352 SDL_FreePalette(palette); |
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353 return; |
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354 } |
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355 } |
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356 } |
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357 |
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358 int |
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359 SDL_SetPaletteColors(SDL_Palette * palette, const SDL_Color * colors, |
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360 int firstcolor, int ncolors) |
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361 { |
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362 SDL_PaletteWatch *watch; |
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363 int status = 0; |
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364 |
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365 /* Verify the parameters */ |
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366 if (!palette) { |
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367 return -1; |
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368 } |
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369 if (ncolors > (palette->ncolors - firstcolor)) { |
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370 ncolors = (palette->ncolors - firstcolor); |
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371 status = -1; |
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372 } |
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373 |
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374 if (colors != (palette->colors + firstcolor)) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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375 SDL_memcpy(palette->colors + firstcolor, colors, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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376 ncolors * sizeof(*colors)); |
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377 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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378 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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379 for (watch = palette->watch; watch; watch = watch->next) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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380 if (watch->callback(watch->userdata, palette) < 0) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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381 status = -1; |
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382 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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383 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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384 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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385 return status; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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386 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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387 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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388 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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389 SDL_FreePalette(SDL_Palette * palette) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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390 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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391 if (!palette) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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392 return; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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393 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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394 if (--palette->refcount > 0) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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395 return; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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396 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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397 if (palette->colors) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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398 SDL_free(palette->colors); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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399 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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400 SDL_free(palette); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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401 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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402 |
0 | 403 /* |
404 * Allocate a pixel format structure and fill it according to the given info. | |
405 */ | |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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406 SDL_PixelFormat * |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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407 SDL_AllocFormat(int bpp, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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408 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask) |
0 | 409 { |
1895
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410 SDL_PixelFormat *format; |
0 | 411 |
1895
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412 /* Allocate an empty pixel format structure */ |
2967
e4a469d6ddab
Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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413 format = SDL_malloc(sizeof(*format)); |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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414 if (format == NULL) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
415 SDL_OutOfMemory(); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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416 return (NULL); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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417 } |
0 | 418 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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419 /* Set up the format */ |
2967
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Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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420 return SDL_InitFormat(format, bpp, Rmask, Gmask, Bmask, Amask); |
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Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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|
421 } |
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Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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|
422 |
e4a469d6ddab
Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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|
423 SDL_PixelFormat * |
2990 | 424 SDL_InitFormat(SDL_PixelFormat * format, int bpp, Uint32 Rmask, Uint32 Gmask, |
425 Uint32 Bmask, Uint32 Amask) | |
2967
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Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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|
426 { |
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Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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|
427 Uint32 mask; |
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Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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|
428 |
e4a469d6ddab
Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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|
429 /* Set up the format */ |
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Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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|
430 SDL_zerop(format); |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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431 format->BitsPerPixel = bpp; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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432 format->BytesPerPixel = (bpp + 7) / 8; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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433 if (Rmask || Bmask || Gmask) { /* Packed pixels with custom mask */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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434 format->Rshift = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
435 format->Rloss = 8; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
436 if (Rmask) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
437 for (mask = Rmask; !(mask & 0x01); mask >>= 1) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
438 ++format->Rshift; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
439 for (; (mask & 0x01); mask >>= 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
440 --format->Rloss; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
441 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
442 format->Gshift = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
443 format->Gloss = 8; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
444 if (Gmask) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
445 for (mask = Gmask; !(mask & 0x01); mask >>= 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
446 ++format->Gshift; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
447 for (; (mask & 0x01); mask >>= 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
448 --format->Gloss; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
449 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
450 format->Bshift = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
451 format->Bloss = 8; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
452 if (Bmask) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
453 for (mask = Bmask; !(mask & 0x01); mask >>= 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
454 ++format->Bshift; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
455 for (; (mask & 0x01); mask >>= 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
456 --format->Bloss; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
457 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
458 format->Ashift = 0; |
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459 format->Aloss = 8; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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460 if (Amask) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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461 for (mask = Amask; !(mask & 0x01); mask >>= 1) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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462 ++format->Ashift; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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463 for (; (mask & 0x01); mask >>= 1) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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464 --format->Aloss; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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465 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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466 format->Rmask = Rmask; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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467 format->Gmask = Gmask; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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468 format->Bmask = Bmask; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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469 format->Amask = Amask; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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470 } else if (bpp > 8) { /* Packed pixels with standard mask */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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471 /* R-G-B */ |
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472 if (bpp > 24) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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473 bpp = 24; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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474 format->Rloss = 8 - (bpp / 3); |
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475 format->Gloss = 8 - (bpp / 3) - (bpp % 3); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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476 format->Bloss = 8 - (bpp / 3); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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477 format->Rshift = ((bpp / 3) + (bpp % 3)) + (bpp / 3); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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478 format->Gshift = (bpp / 3); |
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479 format->Bshift = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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480 format->Rmask = ((0xFF >> format->Rloss) << format->Rshift); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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481 format->Gmask = ((0xFF >> format->Gloss) << format->Gshift); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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482 format->Bmask = ((0xFF >> format->Bloss) << format->Bshift); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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483 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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484 /* Palettized formats have no mask info */ |
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485 format->Rloss = 8; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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486 format->Gloss = 8; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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487 format->Bloss = 8; |
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488 format->Aloss = 8; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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489 format->Rshift = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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490 format->Gshift = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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491 format->Bshift = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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492 format->Ashift = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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493 format->Rmask = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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494 format->Gmask = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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495 format->Bmask = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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496 format->Amask = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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497 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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498 format->palette = NULL; |
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Date: Mon, 02 May 2005 04:23:16 -0500
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499 |
2967
e4a469d6ddab
Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
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500 return format; |
0 | 501 } |
502 | |
503 /* | |
504 * Change any previous mappings from/to the new surface format | |
505 */ | |
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506 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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507 SDL_FormatChanged(SDL_Surface * surface) |
0 | 508 { |
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509 static int format_version = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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510 ++format_version; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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511 if (format_version < 0) { /* It wrapped... */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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512 format_version = 1; |
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513 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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514 surface->format_version = format_version; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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515 SDL_InvalidateMap(surface->map); |
0 | 516 } |
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517 |
0 | 518 /* |
519 * Free a previously allocated format structure | |
520 */ | |
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521 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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522 SDL_FreeFormat(SDL_PixelFormat * format) |
0 | 523 { |
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524 if (!format) { |
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525 return; |
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526 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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527 SDL_free(format); |
0 | 528 } |
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529 |
0 | 530 /* |
531 * Calculate an 8-bit (3 red, 3 green, 2 blue) dithered palette of colors | |
532 */ | |
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533 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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534 SDL_DitherColors(SDL_Color * colors, int bpp) |
0 | 535 { |
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536 int i; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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537 if (bpp != 8) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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538 return; /* only 8bpp supported right now */ |
0 | 539 |
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|
540 for (i = 0; i < 256; i++) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
541 int r, g, b; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
542 /* map each bit field to the full [0, 255] interval, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
543 so 0 is mapped to (0, 0, 0) and 255 to (255, 255, 255) */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
544 r = i & 0xe0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
545 r |= r >> 3 | r >> 6; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
546 colors[i].r = r; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
547 g = (i << 3) & 0xe0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
548 g |= g >> 3 | g >> 6; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
549 colors[i].g = g; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
550 b = i & 0x3; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
551 b |= b << 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
552 b |= b << 4; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
553 colors[i].b = b; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
554 colors[i].unused = SDL_ALPHA_OPAQUE; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
555 } |
0 | 556 } |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
557 |
0 | 558 /* |
559 * Calculate the pad-aligned scanline width of a surface | |
560 */ | |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
561 int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
562 SDL_CalculatePitch(SDL_Surface * surface) |
0 | 563 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
564 int pitch; |
0 | 565 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
566 /* Surface should be 4-byte aligned for speed */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
567 pitch = surface->w * surface->format->BytesPerPixel; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
568 switch (surface->format->BitsPerPixel) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
569 case 1: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
570 pitch = (pitch + 7) / 8; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
571 break; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
572 case 4: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
573 pitch = (pitch + 1) / 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
574 break; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
575 default: |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
576 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
577 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
578 pitch = (pitch + 3) & ~3; /* 4-byte aligning */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
579 return (pitch); |
0 | 580 } |
1895
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changeset
|
581 |
0 | 582 /* |
583 * Match an RGB value to a particular palette index | |
584 */ | |
1895
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|
585 Uint8 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
586 SDL_FindColor(SDL_Palette * pal, Uint8 r, Uint8 g, Uint8 b) |
0 | 587 { |
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|
588 /* Do colorspace distance matching */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
589 unsigned int smallest; |
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590 unsigned int distance; |
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591 int rd, gd, bd; |
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592 int i; |
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593 Uint8 pixel = 0; |
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594 |
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595 smallest = ~0; |
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596 for (i = 0; i < pal->ncolors; ++i) { |
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597 rd = pal->colors[i].r - r; |
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598 gd = pal->colors[i].g - g; |
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599 bd = pal->colors[i].b - b; |
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600 distance = (rd * rd) + (gd * gd) + (bd * bd); |
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601 if (distance < smallest) { |
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602 pixel = i; |
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603 if (distance == 0) { /* Perfect match! */ |
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604 break; |
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605 } |
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606 smallest = distance; |
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607 } |
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608 } |
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609 return (pixel); |
0 | 610 } |
611 | |
612 /* Find the opaque pixel value corresponding to an RGB triple */ | |
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613 Uint32 |
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614 SDL_MapRGB(const SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b) |
0 | 615 { |
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616 if (format->palette == NULL) { |
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617 return (r >> format->Rloss) << format->Rshift |
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618 | (g >> format->Gloss) << format->Gshift |
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619 | (b >> format->Bloss) << format->Bshift | format->Amask; |
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620 } else { |
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621 return SDL_FindColor(format->palette, r, g, b); |
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622 } |
0 | 623 } |
624 | |
625 /* Find the pixel value corresponding to an RGBA quadruple */ | |
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626 Uint32 |
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627 SDL_MapRGBA(const SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b, |
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628 Uint8 a) |
0 | 629 { |
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630 if (format->palette == NULL) { |
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631 return (r >> format->Rloss) << format->Rshift |
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632 | (g >> format->Gloss) << format->Gshift |
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633 | (b >> format->Bloss) << format->Bshift |
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634 | ((a >> format->Aloss) << format->Ashift & format->Amask); |
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635 } else { |
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636 return SDL_FindColor(format->palette, r, g, b); |
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637 } |
0 | 638 } |
639 | |
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640 void |
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641 SDL_GetRGB(Uint32 pixel, const SDL_PixelFormat * format, Uint8 * r, Uint8 * g, |
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642 Uint8 * b) |
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643 { |
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644 if (format->palette == NULL) { |
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645 /* |
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646 * This makes sure that the result is mapped to the |
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647 * interval [0..255], and the maximum value for each |
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648 * component is 255. This is important to make sure |
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649 * that white is indeed reported as (255, 255, 255). |
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650 * This only works for RGB bit fields at least 4 bit |
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651 * wide, which is almost always the case. |
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652 */ |
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653 unsigned v; |
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654 v = (pixel & format->Rmask) >> format->Rshift; |
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655 *r = (v << format->Rloss) + (v >> (8 - (format->Rloss << 1))); |
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656 v = (pixel & format->Gmask) >> format->Gshift; |
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657 *g = (v << format->Gloss) + (v >> (8 - (format->Gloss << 1))); |
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658 v = (pixel & format->Bmask) >> format->Bshift; |
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659 *b = (v << format->Bloss) + (v >> (8 - (format->Bloss << 1))); |
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660 } else { |
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661 *r = format->palette->colors[pixel].r; |
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662 *g = format->palette->colors[pixel].g; |
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663 *b = format->palette->colors[pixel].b; |
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664 } |
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665 } |
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666 |
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667 void |
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668 SDL_GetRGBA(Uint32 pixel, const SDL_PixelFormat * format, |
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669 Uint8 * r, Uint8 * g, Uint8 * b, Uint8 * a) |
0 | 670 { |
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671 if (format->palette == NULL) { |
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672 /* |
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673 * This makes sure that the result is mapped to the |
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674 * interval [0..255], and the maximum value for each |
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675 * component is 255. This is important to make sure |
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676 * that white is indeed reported as (255, 255, 255), |
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677 * and that opaque alpha is 255. |
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678 * This only works for RGB bit fields at least 4 bit |
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679 * wide, which is almost always the case. |
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680 */ |
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681 unsigned v; |
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682 v = (pixel & format->Rmask) >> format->Rshift; |
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683 *r = (v << format->Rloss) + (v >> (8 - (format->Rloss << 1))); |
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684 v = (pixel & format->Gmask) >> format->Gshift; |
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685 *g = (v << format->Gloss) + (v >> (8 - (format->Gloss << 1))); |
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686 v = (pixel & format->Bmask) >> format->Bshift; |
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687 *b = (v << format->Bloss) + (v >> (8 - (format->Bloss << 1))); |
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688 if (format->Amask) { |
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689 v = (pixel & format->Amask) >> format->Ashift; |
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690 *a = (v << format->Aloss) + (v >> (8 - (format->Aloss << 1))); |
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691 } else { |
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692 *a = SDL_ALPHA_OPAQUE; |
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693 } |
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694 } else { |
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695 *r = format->palette->colors[pixel].r; |
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696 *g = format->palette->colors[pixel].g; |
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697 *b = format->palette->colors[pixel].b; |
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698 *a = SDL_ALPHA_OPAQUE; |
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699 } |
0 | 700 } |
701 | |
702 /* Apply gamma to a set of colors - this is easy. :) */ | |
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703 void |
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704 SDL_ApplyGamma(Uint16 * gamma, SDL_Color * colors, SDL_Color * output, |
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705 int ncolors) |
0 | 706 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
707 int i; |
0 | 708 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
709 for (i = 0; i < ncolors; ++i) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
710 output[i].r = gamma[0 * 256 + colors[i].r] >> 8; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
711 output[i].g = gamma[1 * 256 + colors[i].g] >> 8; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
712 output[i].b = gamma[2 * 256 + colors[i].b] >> 8; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
713 } |
0 | 714 } |
715 | |
716 /* Map from Palette to Palette */ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
717 static Uint8 * |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
718 Map1to1(SDL_Palette * src, SDL_Palette * dst, int *identical) |
0 | 719 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
720 Uint8 *map; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
721 int i; |
0 | 722 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
723 if (identical) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
724 if (src->ncolors <= dst->ncolors) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
725 /* If an identical palette, no need to map */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
726 if (src == dst |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
727 || |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
728 (SDL_memcmp |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
729 (src->colors, dst->colors, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
730 src->ncolors * sizeof(SDL_Color)) == 0)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
731 *identical = 1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
732 return (NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
733 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
734 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
735 *identical = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
736 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
737 map = (Uint8 *) SDL_malloc(src->ncolors); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
738 if (map == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
739 SDL_OutOfMemory(); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
740 return (NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
741 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
742 for (i = 0; i < src->ncolors; ++i) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
743 map[i] = SDL_FindColor(dst, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
744 src->colors[i].r, src->colors[i].g, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
745 src->colors[i].b); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
746 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
747 return (map); |
0 | 748 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
749 |
0 | 750 /* Map from Palette to BitField */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
751 static Uint8 * |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
752 Map1toN(SDL_PixelFormat * src, Uint8 Rmod, Uint8 Gmod, Uint8 Bmod, Uint8 Amod, |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
753 SDL_PixelFormat * dst) |
0 | 754 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
755 Uint8 *map; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
756 int i; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
757 int bpp; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
758 SDL_Palette *pal = src->palette; |
0 | 759 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
760 bpp = ((dst->BytesPerPixel == 3) ? 4 : dst->BytesPerPixel); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
761 map = (Uint8 *) SDL_malloc(pal->ncolors * bpp); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
762 if (map == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
763 SDL_OutOfMemory(); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
764 return (NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
765 } |
0 | 766 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
767 /* We memory copy to the pixel map so the endianness is preserved */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
768 for (i = 0; i < pal->ncolors; ++i) { |
2257
340942cfda48
Moved the colorkey and per-surface alpha into the blit info,
Sam Lantinga <slouken@libsdl.org>
parents:
2120
diff
changeset
|
769 Uint8 A = Amod; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
770 Uint8 R = (Uint8) ((pal->colors[i].r * Rmod) / 255); |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
771 Uint8 G = (Uint8) ((pal->colors[i].g * Gmod) / 255); |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
772 Uint8 B = (Uint8) ((pal->colors[i].b * Bmod) / 255); |
2257
340942cfda48
Moved the colorkey and per-surface alpha into the blit info,
Sam Lantinga <slouken@libsdl.org>
parents:
2120
diff
changeset
|
773 ASSEMBLE_RGBA(&map[i * bpp], dst->BytesPerPixel, dst, R, G, B, A); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
774 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
775 return (map); |
0 | 776 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
777 |
0 | 778 /* Map from BitField to Dithered-Palette to Palette */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
779 static Uint8 * |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
780 MapNto1(SDL_PixelFormat * src, SDL_PixelFormat * dst, int *identical) |
0 | 781 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
782 /* Generate a 256 color dither palette */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
783 SDL_Palette dithered; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
784 SDL_Color colors[256]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
785 SDL_Palette *pal = dst->palette; |
0 | 786 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
787 dithered.ncolors = 256; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
788 SDL_DitherColors(colors, 8); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
789 dithered.colors = colors; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
790 return (Map1to1(&dithered, pal, identical)); |
0 | 791 } |
792 | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
793 SDL_BlitMap * |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
794 SDL_AllocBlitMap(void) |
0 | 795 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
796 SDL_BlitMap *map; |
0 | 797 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
798 /* Allocate the empty map */ |
1920
8a162bfdc838
Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents:
1895
diff
changeset
|
799 map = (SDL_BlitMap *) SDL_calloc(1, sizeof(*map)); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
800 if (map == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
801 SDL_OutOfMemory(); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
802 return (NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
803 } |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
804 map->info.r = 0xFF; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
805 map->info.g = 0xFF; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
806 map->info.b = 0xFF; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
807 map->info.a = 0xFF; |
0 | 808 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
809 /* It's ready to go */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
810 return (map); |
0 | 811 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
812 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
813 void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
814 SDL_InvalidateMap(SDL_BlitMap * map) |
0 | 815 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
816 if (!map) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
817 return; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
818 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
819 map->dst = NULL; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
820 map->format_version = (unsigned int) -1; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
821 if (map->info.table) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
822 SDL_free(map->info.table); |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
823 map->info.table = NULL; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
824 } |
0 | 825 } |
2735
204be4fc2726
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
2275
diff
changeset
|
826 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
827 int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
828 SDL_MapSurface(SDL_Surface * src, SDL_Surface * dst) |
0 | 829 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
830 SDL_PixelFormat *srcfmt; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
831 SDL_PixelFormat *dstfmt; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
832 SDL_BlitMap *map; |
0 | 833 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
834 /* Clear out any previous mapping */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
835 map = src->map; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
836 if ((src->flags & SDL_RLEACCEL) == SDL_RLEACCEL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
837 SDL_UnRLESurface(src, 1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
838 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
839 SDL_InvalidateMap(map); |
0 | 840 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
841 /* Figure out what kind of mapping we're doing */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
842 map->identity = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
843 srcfmt = src->format; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
844 dstfmt = dst->format; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
845 switch (srcfmt->BytesPerPixel) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
846 case 1: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
847 switch (dstfmt->BytesPerPixel) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
848 case 1: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
849 /* Palette --> Palette */ |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
850 map->info.table = |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
851 Map1to1(srcfmt->palette, dstfmt->palette, &map->identity); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
852 if (!map->identity) { |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
853 if (map->info.table == NULL) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
854 return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
855 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
856 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
857 if (srcfmt->BitsPerPixel != dstfmt->BitsPerPixel) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
858 map->identity = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
859 break; |
0 | 860 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
861 default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
862 /* Palette --> BitField */ |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
863 map->info.table = |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
864 Map1toN(srcfmt, src->map->info.r, src->map->info.g, |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
865 src->map->info.b, src->map->info.a, dstfmt); |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
866 if (map->info.table == NULL) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
867 return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
868 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
869 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
870 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
871 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
872 default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
873 switch (dstfmt->BytesPerPixel) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
874 case 1: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
875 /* BitField --> Palette */ |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
876 map->info.table = MapNto1(srcfmt, dstfmt, &map->identity); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
877 if (!map->identity) { |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
878 if (map->info.table == NULL) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
879 return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
880 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
881 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
882 map->identity = 0; /* Don't optimize to copy */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
883 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
884 default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
885 /* BitField --> BitField */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
886 if (FORMAT_EQUAL(srcfmt, dstfmt)) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
887 map->identity = 1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
888 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
889 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
890 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
891 } |
0 | 892 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
893 map->dst = dst; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
894 map->format_version = dst->format_version; |
0 | 895 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
896 /* Choose your blitters wisely */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
897 return (SDL_CalculateBlit(src)); |
0 | 898 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
899 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
900 void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
901 SDL_FreeBlitMap(SDL_BlitMap * map) |
0 | 902 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
903 if (map) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
904 SDL_InvalidateMap(map); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
905 SDL_free(map); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1557
diff
changeset
|
906 } |
0 | 907 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
908 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
909 /* vi: set ts=4 sw=4 expandtab: */ |