Mercurial > hg > orthanc-stone
annotate Framework/Viewport/SdlViewport.h @ 1203:f3bb9a6dd949 broker
locking abstraction in IViewport
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 29 Nov 2019 21:22:21 +0100 |
parents | af456106576c |
children | 6009c59d8676 |
rev | line source |
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1 /** |
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2 * Stone of Orthanc |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Affero General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Affero General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 #pragma once |
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22 |
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23 #if !defined(ORTHANC_ENABLE_SDL) |
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24 # error Macro ORTHANC_ENABLE_SDL must be defined |
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25 #endif |
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26 |
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27 #if ORTHANC_ENABLE_SDL != 1 |
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28 # error SDL must be enabled to use this file |
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29 #endif |
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30 |
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31 #if !defined(ORTHANC_ENABLE_OPENGL) |
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32 # error The macro ORTHANC_ENABLE_OPENGL must be defined |
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33 #endif |
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34 |
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35 #if ORTHANC_ENABLE_OPENGL != 1 |
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36 # error Support for OpenGL is disabled |
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37 #endif |
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38 |
1047 | 39 #include "../OpenGL/SdlOpenGLContext.h" |
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40 #include "../Scene2D/OpenGLCompositor.h" |
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41 #include "../Scene2D/CairoCompositor.h" |
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42 #include "ViewportBase.h" |
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43 |
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44 namespace OrthancStone |
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45 { |
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46 class SdlViewport : public ViewportBase |
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47 { |
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48 protected: |
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49 boost::mutex mutex_; |
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50 |
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51 public: |
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52 SdlViewport() |
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53 { |
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54 } |
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55 |
909 | 56 virtual void UpdateSize(unsigned int width, |
57 unsigned int height) = 0; | |
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58 }; |
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59 |
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60 |
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61 class SdlOpenGLViewport : public SdlViewport |
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62 { |
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63 private: |
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64 SdlOpenGLContext context_; |
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65 std::auto_ptr<OpenGLCompositor> compositor_; |
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66 |
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67 class SdlLock : public LockBase |
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68 { |
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69 private: |
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70 SdlOpenGLViewport& that_; |
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71 boost::mutex::scoped_lock lock_; |
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72 |
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73 public: |
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74 SdlLock(SdlOpenGLViewport& viewport) : |
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75 LockBase(viewport), |
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76 that_(viewport), |
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77 lock_(viewport.mutex_) |
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78 { |
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79 } |
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80 |
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81 virtual bool HasCompositor() const ORTHANC_OVERRIDE |
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82 { |
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83 return true; |
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84 } |
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85 |
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86 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE |
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87 { |
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88 return *that_.compositor_; |
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89 } |
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90 }; |
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91 |
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92 public: |
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93 SdlOpenGLViewport(const char* title, |
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94 unsigned int width, |
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95 unsigned int height, |
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96 bool allowDpiScaling = true); |
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97 |
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98 virtual void Refresh() ORTHANC_OVERRIDE; |
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99 |
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100 virtual ILock* Lock() ORTHANC_OVERRIDE |
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101 { |
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102 return new SdlLock(*this); |
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103 } |
909 | 104 |
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105 virtual void UpdateSize(unsigned int width, unsigned int height) ORTHANC_OVERRIDE |
909 | 106 { |
107 // nothing to do in OpenGL, the OpenGLCompositor::UpdateSize will be called automatically | |
108 } | |
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109 }; |
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110 |
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111 |
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112 class SdlCairoViewport : public SdlViewport |
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113 { |
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114 private: |
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115 class SdlLock : public LockBase |
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116 { |
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117 private: |
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118 SdlCairoViewport& that_; |
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119 boost::mutex::scoped_lock lock_; |
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120 |
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121 public: |
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122 SdlLock(SdlCairoViewport& viewport) : |
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123 LockBase(viewport), |
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124 that_(viewport), |
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125 lock_(viewport.mutex_) |
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126 { |
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127 } |
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128 |
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129 virtual bool HasCompositor() const ORTHANC_OVERRIDE |
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130 { |
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131 return true; |
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132 } |
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133 |
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134 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE |
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135 { |
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136 return that_.compositor_; |
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137 } |
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138 }; |
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139 |
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140 SdlWindow window_; |
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141 CairoCompositor compositor_; |
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142 SDL_Surface* sdlSurface_; |
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143 |
1203
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144 void RefreshInternal(); |
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145 |
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146 void UpdateSdlSurfaceSize(unsigned int width, |
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147 unsigned int height); |
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148 |
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149 public: |
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150 SdlCairoViewport(const char* title, |
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151 unsigned int width, |
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152 unsigned int height, |
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153 bool allowDpiScaling = true); |
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154 |
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155 ~SdlCairoViewport(); |
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156 |
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157 virtual void Refresh() ORTHANC_OVERRIDE; |
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158 |
909 | 159 virtual void UpdateSize(unsigned int width, |
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160 unsigned int height) ORTHANC_OVERRIDE; |
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161 }; |
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162 } |