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annotate engine/core/loaders/native/video_loaders/image_loader.cpp @ 95:0b6998fde366

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speedup instance renderer; now instances can change their layer, old optimisation made wrong asumption... (fix by yonibear)
author spq@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 20 Jul 2008 19:40:21 +0000
parents 90005975cdbb
children 3804348fe3fb
rev   line source
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
46
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23
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24 // 3rd party library includes
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25 #include <boost/scoped_array.hpp>
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26 #include <boost/scoped_ptr.hpp>
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27 #include <SDL.h>
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28 #include <SDL_image.h>
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src directory
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33 // Second block: files included from the same folder
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34 #include "util/base/exception.h"
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35 #include "util/resource/resource_location.h"
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36 #include "util/resource/resource.h"
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37 #include "vfs/raw/rawdata.h"
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38 #include "vfs/vfs.h"
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39 #include "video/renderbackend.h"
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40 #include "video/image_location.h"
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41
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42 #include "image_loader.h"
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43
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44 namespace FIFE {
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45 IResource* ImageLoader::loadResource(const ResourceLocation& location) {
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46 const ImageLocation* loc = dynamic_cast<const ImageLocation*>(&location);
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47
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48 const std::string& filename = location.getFilename();
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49 boost::scoped_ptr<RawData> data (m_vfs->open(filename));
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50 size_t datalen = data->getDataLength();
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51 boost::scoped_array<uint8_t> darray(new uint8_t[datalen]);
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52 data->readInto(darray.get(), datalen);
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53 SDL_RWops* rwops = SDL_RWFromConstMem(darray.get(), datalen);
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54 SDL_Surface* surface = IMG_Load_RW(rwops, false);
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55 SDL_FreeRW(rwops);
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56 if( !surface ) {
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57 return 0;
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58 }
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59
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60 Image* res = RenderBackend::instance()->createImage(surface);
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61 if (loc) {
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62 res->setXShift(loc->getXShift());
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63 res->setYShift(loc->getYShift());
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64 }
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65 res->setAlphaOptimizerEnabled(true);
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66 return res;
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67 };
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68 }