1 /* _______ __ __ __ ______ __ __ _______ __ __ 2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ 3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / 4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / 5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / 6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / 7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ 8 * 9 * Copyright (c) 2004, 2005, 2006, 2007 Olof Naess�n and Per Larsson 10 * 11 * Js_./ 12 * Per Larsson a.k.a finalman _RqZ{a<^_aa 13 * Olof Naess�n a.k.a jansem/yakslem _asww7!uY`> )\a// 14 * _Qhm`] _f "'c 1!5m 15 * Visit: http://guichan.darkbits.org )Qk<P ` _: :+' .' "{[ 16 * .)j(] .d_/ '-( P . S 17 * License: (BSD) <Td/Z <fP"5(\"??"\a. .L 18 * Redistribution and use in source and _dV>ws?a-?' ._/L #' 19 * binary forms, with or without )4d[#7r, . ' )d`)[ 20 * modification, are permitted provided _Q-5'5W..j/?' -?!\)cam' 21 * that the following conditions are met: j<<WP+k/);. _W=j f 22 * 1. Redistributions of source code must .$%w\/]Q . ."' . mj$ 23 * retain the above copyright notice, ]E.pYY(Q]>. a J@\ 24 * this list of conditions and the j(]1u<sE"L,. . ./^ ]{a 25 * following disclaimer. 4'_uomm\. )L);-4 (3= 26 * 2. Redistributions in binary form must )_]X{Z('a_"a7'<a"a, ]"[ 27 * reproduce the above copyright notice, #}<]m7`Za??4,P-"'7. ).m 28 * this list of conditions and the ]d2e)Q(<Q( ?94 b- LQ/ 29 * following disclaimer in the <B!</]C)d_, '(<' .f. =C+m 30 * documentation and/or other materials .Z!=J ]e []('-4f _ ) -.)m]' 31 * provided with the distribution. .w[5]' _[ /.)_-"+? _/ <W" 32 * 3. Neither the name of Guichan nor the :$we` _! + _/ . j? 33 * names of its contributors may be used =3)= _f (_yQmWW$#( " 34 * to endorse or promote products derived - W, sQQQQmZQ#Wwa].. 35 * from this software without specific (js, \[QQW$QWW#?!V"". 36 * prior written permission. ]y:.<\.. . 37 * -]n w/ ' [. 38 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT )/ )/ ! 39 * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY < (; sac , ' 40 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, ]^ .- % 41 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF c < r 42 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR aga< <La 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 5% )P'-3L 44 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR _bQf` y`..)a 45 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, ,J?4P'.P"_(\?d'., 46 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES _Pa,)!f/<[]/ ?" 47 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT _2-..:. .r+_,.. . 48 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ?a.<%"' " -'.a_ _, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ^ 50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 51 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 53 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 54 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 55 */ 56 57 /* 58 * For comments regarding functions please see the header file. 59 */ 60 61 #include "guichan/sdl/sdlimage.hpp" 62 63 #include <SDL/SDL_image.h> 64 65 #include "guichan/exception.hpp" 66 #include "guichan/sdl/sdlimageloader.hpp" 67 68 namespace gcn 69 { load(const std::string & filename,bool convertToDisplayFormat)70 Image* SDLImageLoader::load(const std::string& filename, 71 bool convertToDisplayFormat) 72 { 73 SDL_Surface *loadedSurface = loadSDLSurface(filename); 74 75 if (loadedSurface == NULL) 76 { 77 throw GCN_EXCEPTION( 78 std::string("Unable to load image file: ") + filename); 79 } 80 81 SDL_Surface *surface = convertToStandardFormat(loadedSurface); 82 SDL_FreeSurface(loadedSurface); 83 84 if (surface == NULL) 85 { 86 throw GCN_EXCEPTION( 87 std::string("Not enough memory to load: ") + filename); 88 } 89 90 Image *image = new SDLImage(surface, true); 91 92 if (convertToDisplayFormat) 93 { 94 image->convertToDisplayFormat(); 95 } 96 97 return image; 98 } 99 loadSDLSurface(const std::string & filename)100 SDL_Surface* SDLImageLoader::loadSDLSurface(const std::string& filename) 101 { 102 return IMG_Load(filename.c_str()); 103 } 104 convertToStandardFormat(SDL_Surface * surface)105 SDL_Surface* SDLImageLoader::convertToStandardFormat(SDL_Surface* surface) 106 { 107 Uint32 rmask, gmask, bmask, amask; 108 #if SDL_BYTEORDER == SDL_BIG_ENDIAN 109 rmask = 0xff000000; 110 gmask = 0x00ff0000; 111 bmask = 0x0000ff00; 112 amask = 0x000000ff; 113 #else 114 rmask = 0x000000ff; 115 gmask = 0x0000ff00; 116 bmask = 0x00ff0000; 117 amask = 0xff000000; 118 #endif 119 120 SDL_Surface *colorSurface = SDL_CreateRGBSurface(SDL_SWSURFACE, 121 0, 0, 32, 122 rmask, gmask, bmask, amask); 123 124 SDL_Surface *tmp = NULL; 125 126 if (colorSurface != NULL) 127 { 128 tmp = SDL_ConvertSurface(surface, colorSurface->format, 129 SDL_SWSURFACE); 130 SDL_FreeSurface(colorSurface); 131 } 132 133 return tmp; 134 } 135 } 136