Mercurial > fife-parpg

annotate engine/core/video/renderbackend.cpp @ 378:64738befdf3b

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bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
parents 0c6fe081ca86
children ad7969d9460b
rev   line source
0
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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 * *
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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. *
0
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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 *
0
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
0
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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
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26 // FIFE includes
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27 // These includes are split up in two parts, separated by one empty line
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28 // First block: files included from the FIFE root src directory
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29 // Second block: files included from the same folder
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30 #include "renderbackend.h"
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31
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32 namespace FIFE {
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33
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34 const unsigned int DEFAULT_CHUNKING_SIZE = 256;
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35 const unsigned int MAX_CHUNKING_SIZE = 262144; // pixels!
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36
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37 RenderBackend::RenderBackend():
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38 m_screen(NULL), m_isalphaoptimized(false), m_chunkingsize(DEFAULT_CHUNKING_SIZE) {
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39 }
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40
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41
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42 RenderBackend::~RenderBackend() {
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43 }
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44
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45 void RenderBackend::deinit() {
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46 delete m_screen;
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47 m_screen = NULL;
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48 SDL_QuitSubSystem(SDL_INIT_VIDEO);
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49 }
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50
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51 void RenderBackend::captureScreen(const std::string& filename) {
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52 m_screen->saveImage(filename);
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53 }
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54
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55 void RenderBackend::pushClipArea(const Rect& cliparea, bool clear) {
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56 assert(m_screen);
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57 m_screen->pushClipArea(cliparea, clear);
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58 }
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59
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60 void RenderBackend::popClipArea() {
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61 assert(m_screen);
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62 m_screen->popClipArea();
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63 }
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64
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65 const Rect& RenderBackend::getClipArea() const {
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66 assert(m_screen);
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67 return m_screen->getClipArea();
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68 }
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69
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70 SDL_Surface* RenderBackend::getSurface() {
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71 assert(m_screen);
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72 return m_screen->getSurface();
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73 }
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74
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75 unsigned int RenderBackend::getWidth() const {
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76 assert(m_screen);
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77 return m_screen->getWidth();
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78 }
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79
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80 unsigned int RenderBackend::getHeight() const {
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81 assert(m_screen);
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82 return m_screen->getHeight();
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83 }
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84
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85 const Rect& RenderBackend::getArea() {
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86 assert(m_screen);
118
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87 SDL_Surface* s = m_screen->getSurface();
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88 static Rect r(0, 0, s->w, s->h);
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89 return r;
0
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90 }
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91
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92 void RenderBackend::getPixelRGBA(int x, int y, uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a) {
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93 assert(m_screen);
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94 m_screen->getPixelRGBA(x, y, r, g, b, a);
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95 }
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96
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97 void RenderBackend::saveImage(const std::string& filename) {
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98 assert(m_screen);
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99 m_screen->saveImage(filename);
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100 }
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101
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102 void RenderBackend::setAlphaOptimizerEnabled(bool enabled) {
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103 assert(m_screen);
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104 m_screen->setAlphaOptimizerEnabled(enabled);
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105 }
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106
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107 bool RenderBackend::isAlphaOptimizerEnabled() {
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108 assert(m_screen);
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109 return m_screen->isAlphaOptimizerEnabled();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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110 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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111
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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112 void RenderBackend::setChunkingSize(unsigned int size) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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113 if (size > MAX_CHUNKING_SIZE) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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114 size = MAX_CHUNKING_SIZE;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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115 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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116 m_chunkingsize = 1;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 while (m_chunkingsize < size) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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118 m_chunkingsize <<= 1;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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119 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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120 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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121
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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122 unsigned int RenderBackend::getChunkingSize() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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123 return m_chunkingsize;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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124 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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125 }