00001 /* 00002 00003 ----------------------------------------------------------------------------- 00004 00005 This source file is part of OGRE 00006 00007 (Object-oriented Graphics Rendering Engine) 00008 00009 For the latest info, see http://www.ogre3d.org/ 00010 00011 00012 00013 Copyright © 2000-2002 The OGRE Team 00014 00015 Also see acknowledgements in Readme.html 00016 00017 00018 00019 This program is free software; you can redistribute it and/or modify it under 00020 00021 the terms of the GNU Lesser General Public License as published by the Free Software 00022 00023 Foundation; either version 2 of the License, or (at your option) any later 00024 00025 version. 00026 00027 00028 00029 This program is distributed in the hope that it will be useful, but WITHOUT 00030 00031 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00032 00033 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00034 00035 00036 00037 You should have received a copy of the GNU Lesser General Public License along with 00038 00039 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00040 00041 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00042 00043 http://www.gnu.org/copyleft/lesser.txt. 00044 00045 ----------------------------------------------------------------------------- 00046 00047 */ 00048 00049 #include "OgreStableHeaders.h" 00050 00051 00052 00053 #include "OgreBMPCodec.h" 00054 00055 #include "OgreImage.h" 00056 00057 #include "OgreException.h" 00058 00059 00060 00061 #include <IL/il.h> 00062 00063 #include <IL/ilu.h> 00064 00065 00066 00067 namespace Ogre { 00068 00069 00070 00071 00072 00073 //--------------------------------------------------------------------- 00074 00075 void BMPCodec::code( const DataChunk& input, DataChunk* output, ... ) const 00076 00077 { 00078 00079 OgreGuard( "BMPCodec::code" ); 00080 00081 00082 00083 Except(Exception::UNIMPLEMENTED_FEATURE, "code to memory not implemented", 00084 00085 "BMPCodec::code"); 00086 00087 00088 00089 OgreUnguard(); 00090 00091 00092 00093 } 00094 00095 //--------------------------------------------------------------------- 00096 00097 Codec::CodecData * BMPCodec::decode( const DataChunk& input, DataChunk* output, ... ) const 00098 00099 { 00100 00101 OgreGuard( "BMPCodec::decode" ); 00102 00103 00104 00105 // DevIL variables 00106 00107 ILuint ImageName; 00108 00109 ILint ImageFormat, BytesPerPixel; 00110 00111 ImageData * ret_data = new ImageData; 00112 00113 00114 00115 // Load the image 00116 00117 ilGenImages( 1, &ImageName ); 00118 00119 ilBindImage( ImageName ); 00120 00121 00122 00123 ilLoadL( 00124 00125 getILType(), 00126 00127 ( void * )const_cast< uchar * >( input.getPtr() ), 00128 00129 static_cast< ILuint >( input.getSize() ) ); 00130 00131 00132 00133 // Check if everything was ok 00134 00135 ILenum PossibleError = ilGetError() ; 00136 00137 if( PossibleError != IL_NO_ERROR ) 00138 00139 { 00140 00141 Except( Exception::UNIMPLEMENTED_FEATURE, 00142 00143 "IL Error", 00144 00145 iluErrorString(PossibleError) ) ; 00146 00147 } 00148 00149 00150 00151 iluSwapColours(); 00152 00153 00154 00155 // Now sets some variables 00156 00157 ImageFormat = ilGetInteger( IL_IMAGE_FORMAT ); 00158 00159 BytesPerPixel = ilGetInteger( IL_IMAGE_BYTES_PER_PIXEL ); 00160 00161 00162 00163 ret_data->format = ilFormat2OgreFormat( ImageFormat, BytesPerPixel ); 00164 00165 ret_data->width = ilGetInteger( IL_IMAGE_WIDTH ); 00166 00167 ret_data->height = ilGetInteger( IL_IMAGE_HEIGHT ); 00168 ret_data->depth = ilGetInteger( IL_IMAGE_DEPTH ); 00169 ret_data->num_mipmaps = ilGetInteger ( IL_NUM_MIPMAPS ); 00170 00171 00172 uint ImageSize = ilGetInteger( IL_IMAGE_WIDTH ) * ilGetInteger( IL_IMAGE_HEIGHT ) * ilGetInteger( IL_IMAGE_BYTES_PER_PIXEL ); 00173 00174 00175 ret_data->size = ImageSize; 00176 ret_data->flags = 0; 00177 00178 // Move the image data to the output buffer 00179 00180 output->allocate( ImageSize ); 00181 00182 memcpy( output->getPtr(), ilGetData(), ImageSize ); 00183 00184 00185 00186 ilDeleteImages( 1, &ImageName ); 00187 00188 00189 00190 OgreUnguardRet( ret_data ); 00191 00192 } 00193 00194 //--------------------------------------------------------------------- 00195 00196 unsigned int BMPCodec::getILType(void) const 00197 00198 { 00199 00200 return IL_BMP; 00201 00202 } 00203 00204 00205 00206 } 00207 00208 00209
Copyright © 2002-2003 by The OGRE Team
Last modified Fri May 14 23:21:53 2004