FIFE
2008.0
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00001 /*************************************************************************** 00002 * Copyright (C) 2005-2008 by the FIFE team * 00003 * http://www.fifengine.de * 00004 * This file is part of FIFE. * 00005 * * 00006 * FIFE is free software; you can redistribute it and/or * 00007 * modify it under the terms of the GNU Lesser General Public * 00008 * License as published by the Free Software Foundation; either * 00009 * version 2.1 of the License, or (at your option) any later version. * 00010 * * 00011 * This library is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00014 * Lesser General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU Lesser General Public * 00017 * License along with this library; if not, write to the * 00018 * Free Software Foundation, Inc., * 00019 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * 00020 ***************************************************************************/ 00021 00022 // Standard C++ library includes 00023 00024 // 3rd party library includes 00025 #include <boost/scoped_array.hpp> 00026 #include <boost/scoped_ptr.hpp> 00027 #include <SDL.h> 00028 #include <SDL_image.h> 00029 00030 // FIFE includes 00031 // These includes are split up in two parts, separated by one empty line 00032 // First block: files included from the FIFE root src directory 00033 // Second block: files included from the same folder 00034 #include "util/base/exception.h" 00035 #include "util/resource/resource_location.h" 00036 #include "util/resource/resource.h" 00037 #include "vfs/raw/rawdata.h" 00038 #include "vfs/vfs.h" 00039 #include "video/renderbackend.h" 00040 #include "video/image_location.h" 00041 00042 #include "image_loader.h" 00043 00044 namespace FIFE { 00045 IResource* ImageLoader::loadResource(const ResourceLocation& location) { 00046 const ImageLocation* loc = dynamic_cast<const ImageLocation*>(&location); 00047 00048 const std::string& filename = location.getFilename(); 00049 boost::scoped_ptr<RawData> data (m_vfs->open(filename)); 00050 size_t datalen = data->getDataLength(); 00051 boost::scoped_array<uint8_t> darray(new uint8_t[datalen]); 00052 data->readInto(darray.get(), datalen); 00053 SDL_RWops* rwops = SDL_RWFromConstMem(darray.get(), datalen); 00054 SDL_Surface* surface = IMG_Load_RW(rwops, false); 00055 SDL_FreeRW(rwops); 00056 if( !surface ) { 00057 return 0; 00058 } 00059 00060 Image* res = RenderBackend::instance()->createImage(surface); 00061 res->setResourceLocation(location); 00062 if (loc) { 00063 res->setXShift(loc->getXShift()); 00064 res->setYShift(loc->getYShift()); 00065 } 00066 res->setAlphaOptimizerEnabled(true); 00067 return res; 00068 }; 00069 }