00001 00007 /* 00008 This file is part of MyGUI. 00009 00010 MyGUI is free software: you can redistribute it and/or modify 00011 it under the terms of the GNU Lesser General Public License as published by 00012 the Free Software Foundation, either version 3 of the License, or 00013 (at your option) any later version. 00014 00015 MyGUI is distributed in the hope that it will be useful, 00016 but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 GNU Lesser General Public License for more details. 00019 00020 You should have received a copy of the GNU Lesser General Public License 00021 along with MyGUI. If not, see <http://www.gnu.org/licenses/>. 00022 */ 00023 #include "MyGUI_Precompiled.h" 00024 #include "MyGUI_MaskPickInfo.h" 00025 #include "MyGUI_ResourceManager.h" 00026 #include "MyGUI_RenderManager.h" 00027 00028 namespace MyGUI 00029 { 00030 00031 bool MaskPickInfo::load(const std::string& _file) 00032 { 00033 RenderManager& render = RenderManager::getInstance(); 00034 ITexture* texture = render.createTexture(_file); 00035 texture->loadFromFile(_file); 00036 00037 uint8 * buffer = (uint8*)texture->lock(TextureUsage::Read); 00038 if (buffer == 0) 00039 { 00040 render.destroyTexture(texture); 00041 return false; 00042 } 00043 00044 size_t pixel_size = texture->getNumElemBytes(); 00045 00046 width = texture->getWidth(); 00047 height = texture->getHeight(); 00048 size_t size = width * height; 00049 data.resize(size); 00050 00051 size_t pos = 0; 00052 for (size_t pos_pix=0; pos_pix<size; pos_pix++) 00053 { 00054 uint8 white = 0; 00055 for (size_t in_pix=0; in_pix<pixel_size; in_pix++) 00056 { 00057 if (0xFF != buffer[pos]) 00058 { 00059 white = 1; 00060 } 00061 pos++; 00062 } 00063 00064 data[pos_pix] = white; 00065 } 00066 00067 texture->unlock(); 00068 render.destroyTexture(texture); 00069 00070 return true; 00071 } 00072 00073 } // namespace MyGUI