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annotate ext/guichan-0.8.1/src/sdl/sdlimageloader.cpp @ 85:35f6cfea565e

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Fixed the unit tests so they will now compile and link with msvc2005. There are still a couple more changes needed to run them correctly.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Sat, 19 Jul 2008 04:56:28 +0000
parents 4a0efb7baf70
children
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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1 /* _______ __ __ __ ______ __ __ _______ __ __
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2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
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3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
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4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
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5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
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6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
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7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
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8 *
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9 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
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10 *
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11 *
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12 * Per Larsson a.k.a finalman
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13 * Olof Naessén a.k.a jansem/yakslem
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14 *
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15 * Visit: http://guichan.sourceforge.net
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16 *
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17 * License: (BSD)
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18 * Redistribution and use in source and binary forms, with or without
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19 * modification, are permitted provided that the following conditions
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20 * are met:
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21 * 1. Redistributions of source code must retain the above copyright
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22 * notice, this list of conditions and the following disclaimer.
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23 * 2. Redistributions in binary form must reproduce the above copyright
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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24 * notice, this list of conditions and the following disclaimer in
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25 * the documentation and/or other materials provided with the
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26 * distribution.
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27 * 3. Neither the name of Guichan nor the names of its contributors may
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28 * be used to endorse or promote products derived from this software
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29 * without specific prior written permission.
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30 *
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31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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37 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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38 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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42 */
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43
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44 /*
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45 * For comments regarding functions please see the header file.
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46 */
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47
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48 #include "guichan/sdl/sdlimage.hpp"
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49
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50 #include "SDL_image.h"
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51
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52 #include "guichan/exception.hpp"
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53 #include "guichan/sdl/sdlimageloader.hpp"
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54
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55 namespace gcn
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56 {
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57 Image* SDLImageLoader::load(const std::string& filename,
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58 bool convertToDisplayFormat)
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59 {
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60 SDL_Surface *loadedSurface = loadSDLSurface(filename);
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61
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62 if (loadedSurface == NULL)
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63 {
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64 throw GCN_EXCEPTION(
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65 std::string("Unable to load image file: ") + filename);
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66 }
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67
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68 SDL_Surface *surface = convertToStandardFormat(loadedSurface);
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69 SDL_FreeSurface(loadedSurface);
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70
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71 if (surface == NULL)
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72 {
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73 throw GCN_EXCEPTION(
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74 std::string("Not enough memory to load: ") + filename);
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75 }
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76
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77 Image *image = new SDLImage(surface, true);
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78
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79 if (convertToDisplayFormat)
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80 {
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81 image->convertToDisplayFormat();
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82 }
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83
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84 return image;
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85 }
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86
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87 SDL_Surface* SDLImageLoader::loadSDLSurface(const std::string& filename)
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88 {
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89 return IMG_Load(filename.c_str());
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90 }
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91
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92 SDL_Surface* SDLImageLoader::convertToStandardFormat(SDL_Surface* surface)
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93 {
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94 Uint32 rmask, gmask, bmask, amask;
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95 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
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96 rmask = 0xff000000;
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97 gmask = 0x00ff0000;
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98 bmask = 0x0000ff00;
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99 amask = 0x000000ff;
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100 #else
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101 rmask = 0x000000ff;
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102 gmask = 0x0000ff00;
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103 bmask = 0x00ff0000;
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104 amask = 0xff000000;
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105 #endif
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106
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107 SDL_Surface *colorSurface = SDL_CreateRGBSurface(SDL_SWSURFACE,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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108 0, 0, 32,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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109 rmask, gmask, bmask, amask);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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110
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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111 SDL_Surface *tmp = NULL;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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112
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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113 if (colorSurface != NULL)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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114 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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115 tmp = SDL_ConvertSurface(surface, colorSurface->format,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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116 SDL_SWSURFACE);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 SDL_FreeSurface(colorSurface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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118 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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119
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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120 return tmp;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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121 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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122 }