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annotate Framework/Viewport/SdlViewport.h @ 1213:86a8266b8888 broker

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moving the scene from IViewport to ViewportController
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 04 Dec 2019 17:54:10 +0100
parents 6009c59d8676
children 9efa66d8d3f8
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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
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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 #include <SDL_events.h>
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45
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46 namespace OrthancStone
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47 {
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48 class SdlViewport : public ViewportBase
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49 {
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50 private:
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51 uint32_t refreshEvent_;
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52
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53 protected:
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54 void SendRefreshEvent();
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55
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56 public:
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57 SdlViewport();
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58
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59 bool IsRefreshEvent(const SDL_Event& event) const
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60 {
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61 return (event.type == refreshEvent_);
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62 }
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63
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64 virtual void UpdateSize(unsigned int width,
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65 unsigned int height) = 0;
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66
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67 virtual void ToggleMaximize() = 0;
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68 };
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69
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71 class SdlOpenGLViewport : public SdlViewport
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72 {
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73 private:
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74 boost::mutex mutex_;
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75 SdlOpenGLContext context_;
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76 std::auto_ptr<OpenGLCompositor> compositor_;
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77
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78 class SdlLock : public LockBase
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79 {
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80 private:
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81 SdlOpenGLViewport& that_;
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82 boost::mutex::scoped_lock lock_;
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83
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84 public:
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85 SdlLock(SdlOpenGLViewport& viewport) :
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86 LockBase(viewport),
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87 that_(viewport),
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88 lock_(viewport.mutex_)
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89 {
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90 }
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91
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92 virtual bool HasCompositor() const ORTHANC_OVERRIDE
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93 {
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94 return true;
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95 }
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96
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97 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE
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98 {
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99 return *that_.compositor_;
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100 }
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101 };
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102
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103 public:
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104 SdlOpenGLViewport(const char* title,
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105 unsigned int width,
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106 unsigned int height,
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107 bool allowDpiScaling = true);
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108
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109 virtual void Invalidate() ORTHANC_OVERRIDE;
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110
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111 virtual void Paint(const Scene2D& scene) ORTHANC_OVERRIDE;
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112
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113 virtual ILock* Lock() ORTHANC_OVERRIDE
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114 {
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115 return new SdlLock(*this);
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116 }
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117
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118 virtual void UpdateSize(unsigned int width, unsigned int height) ORTHANC_OVERRIDE
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119 {
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120 // nothing to do in OpenGL, the OpenGLCompositor::UpdateSize will be called automatically
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121 }
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122
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123 virtual void ToggleMaximize() ORTHANC_OVERRIDE
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124 {
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125 boost::mutex::scoped_lock lock(mutex_);
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126 context_.ToggleMaximize();
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127 }
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128 };
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131 class SdlCairoViewport : public SdlViewport
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132 {
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133 private:
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134 class SdlLock : public LockBase
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135 {
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136 private:
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137 SdlCairoViewport& that_;
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138 boost::mutex::scoped_lock lock_;
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139
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140 public:
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141 SdlLock(SdlCairoViewport& viewport) :
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142 LockBase(viewport),
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143 that_(viewport),
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144 lock_(viewport.mutex_)
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145 {
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146 }
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147
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148 virtual bool HasCompositor() const ORTHANC_OVERRIDE
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149 {
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150 return true;
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151 }
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152
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153 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE
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154 {
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155 return that_.compositor_;
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156 }
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157 };
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158
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159 boost::mutex mutex_;
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160 SdlWindow window_;
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161 CairoCompositor compositor_;
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162 SDL_Surface* sdlSurface_;
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163
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164 void CreateSdlSurfaceFromCompositor();
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165
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166 public:
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167 SdlCairoViewport(const char* title,
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168 unsigned int width,
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169 unsigned int height,
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170 bool allowDpiScaling = true);
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171
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172 ~SdlCairoViewport();
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173
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174 virtual void Invalidate() ORTHANC_OVERRIDE;
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175
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176 virtual void Paint(const Scene2D& scene) ORTHANC_OVERRIDE;
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177
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178 virtual ILock* Lock() ORTHANC_OVERRIDE
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179 {
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180 return new SdlLock(*this);
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181 }
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182
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183 virtual void UpdateSize(unsigned int width,
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184 unsigned int height) ORTHANC_OVERRIDE;
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185
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186 virtual void ToggleMaximize() ORTHANC_OVERRIDE
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187 {
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188 boost::mutex::scoped_lock lock(mutex_);
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189 window_.ToggleMaximize();
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190 }
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191 };
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192 }