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annotate engine/core/video/fonts/textrenderpool.cpp @ 46:90005975cdbb

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* Final LGPL switch step by adjusting the file headers * Remaining issues (just slightly related to the unittest switch): * No working unittest solution for msvc2005 yet * Unittests not working with mingw + scons either though this seems hard to impossible to fix without an expert in this field * sample_unit_test.cpp would need to get modified for unittest++; it still contains the old boost unittest code
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 13 Jul 2008 11:05:12 +0000
parents 4a0efb7baf70
children 5d6b1820b953
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 * *
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 *
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 #include <algorithm>
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24
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25 // Platform specific includes
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26
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27 // 3rd party library includes
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28 #include <boost/bind.hpp>
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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 "video/image.h"
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35 #include "util/time/timemanager.h"
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36
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37 #include "fontbase.h"
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38 #include "textrenderpool.h"
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39
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40 namespace FIFE {
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41
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42 TextRenderPool::TextRenderPool(size_t poolSize) {
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43 m_poolMaxSize = poolSize;
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44 m_poolSize = 0;
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45
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46 m_collectTimer.setInterval( 1000 * 60 );
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47 m_collectTimer.setCallback( boost::bind( &TextRenderPool::removeOldEntries, this) );
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48 }
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49
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50 TextRenderPool::~TextRenderPool() {
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51 type_pool::iterator it= m_pool.begin();
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52 for(;it != m_pool.end(); ++it) {
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53 delete it->image;
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54 }
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55 }
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56
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57 Image* TextRenderPool::getRenderedText( FontBase* fontbase, const std::string& text) {
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58 SDL_Color c = fontbase->getColor();
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59
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60 type_pool::iterator it= m_pool.begin();
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61 for(;it != m_pool.end(); ++it) {
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62 if( it->antialias != fontbase->isAntiAlias() )
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63 continue;
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64
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65 if( it->glyph_spacing != fontbase->getGlyphSpacing() )
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66 continue;
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67
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68 if( it->row_spacing != fontbase->getRowSpacing() )
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69 continue;
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70
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71 if( it->color.r != c.r || it->color.g != c.g || it->color.b != c.b )
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72 continue;
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73
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74 if( it->text != text )
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75 continue;
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76
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77 // Stay sorted after access time
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78 it->timestamp = TimeManager::instance()->getTime();
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79 m_pool.push_front( *it );
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80 m_pool.erase( it );
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81
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82 return m_pool.front().image;
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83 }
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84 return 0;
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85 }
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86
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87 void TextRenderPool::addRenderedText( FontBase* fontbase,const std::string& text, Image* image) {
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88 // Construct a entry and add it.
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89 s_pool_entry centry;
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90 centry.antialias = fontbase->isAntiAlias();
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91 centry.glyph_spacing = fontbase->getGlyphSpacing();
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92 centry.row_spacing = fontbase->getRowSpacing();
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93 centry.text = text;
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94 centry.color = fontbase->getColor();
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95 centry.image = image;
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96 centry.timestamp = TimeManager::instance()->getTime();
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97 m_pool.push_front( centry );
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98
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99 // Some minimal amount of entries -> start collection timer
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100 // Don't have a timer active if only _some_ text is pooled.
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101 if( m_poolSize >= m_poolMaxSize/10 )
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102 m_collectTimer.start();
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103
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104 // Maintain max pool size
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105 if( m_poolSize < m_poolMaxSize ) {
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106 m_poolSize++;
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107 return;
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108 } else {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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109 delete m_pool.back().image;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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110 m_pool.pop_back();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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111 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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112 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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113
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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114 void TextRenderPool::removeOldEntries() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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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 type_pool::iterator it = m_pool.begin();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 uint32_t now = TimeManager::instance()->getTime();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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118 while (it != m_pool.end()) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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119 if( (now - it->timestamp) > 1000*60 ) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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120 delete it->image;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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121 it = m_pool.erase(it);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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122 --m_poolSize;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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123 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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124 else {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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125 ++it;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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126 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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127 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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128
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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129 // Stop if nothing can grow old =)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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130 if( m_poolSize == 0 )
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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131 m_collectTimer.stop();
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132 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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133 }