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annotate Framework/Viewport/SdlViewport.h @ 1053:32b403a47b19

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simplifying IViewport
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 10 Oct 2019 15:24:48 +0200
parents efc5b62b9539
children af456106576c
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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 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 public:
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49 SdlViewport(const std::string& identifier)
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50 : ViewportBase(identifier)
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51 {
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52 }
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54 SdlViewport(const std::string& identifier,
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55 boost::shared_ptr<Scene2D>& scene)
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56 : ViewportBase(identifier, scene)
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57 {
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58 }
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59
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60 virtual SdlWindow& GetWindow() = 0;
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61
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62 virtual void UpdateSize(unsigned int width,
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63 unsigned int height) = 0;
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64 };
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65
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67 class SdlOpenGLViewport : public SdlViewport
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68 {
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69 private:
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70 SdlOpenGLContext context_;
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71 std::auto_ptr<OpenGLCompositor> compositor_;
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72
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73 public:
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74 SdlOpenGLViewport(const char* title,
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75 unsigned int width,
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76 unsigned int height,
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77 bool allowDpiScaling = true);
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78
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79 SdlOpenGLViewport(const char* title,
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80 unsigned int width,
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81 unsigned int height,
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82 boost::shared_ptr<Scene2D>& scene,
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83 bool allowDpiScaling = true);
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84
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85 virtual SdlWindow& GetWindow() ORTHANC_OVERRIDE
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86 {
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87 return context_.GetWindow();
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88 }
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89
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90 virtual void Refresh() ORTHANC_OVERRIDE;
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91
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92 virtual void UpdateSize(unsigned int width, unsigned int height) ORTHANC_OVERRIDE
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93 {
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94 // nothing to do in OpenGL, the OpenGLCompositor::UpdateSize will be called automatically
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95 }
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96
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97 virtual bool HasCompositor() const ORTHANC_OVERRIDE
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98 {
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99 return true;
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100 }
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101
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102 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE
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103 {
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104 return *compositor_.get();
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105 }
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106 };
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109 class SdlCairoViewport : public SdlViewport
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110 {
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111 private:
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112 SdlWindow window_;
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113 CairoCompositor compositor_;
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114 SDL_Surface* sdlSurface_;
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115
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116 private:
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117 void UpdateSdlSurfaceSize(unsigned int width,
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118 unsigned int height);
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119
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120 public:
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121 SdlCairoViewport(const char* title,
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122 unsigned int width,
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123 unsigned int height,
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124 bool allowDpiScaling = true);
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126 SdlCairoViewport(const char* title,
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127 unsigned int width,
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128 unsigned int height,
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129 boost::shared_ptr<Scene2D>& scene,
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130 bool allowDpiScaling = true);
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131
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132 ~SdlCairoViewport();
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133
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134 virtual SdlWindow& GetWindow() ORTHANC_OVERRIDE
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135 {
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136 return window_;
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137 }
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138
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139 virtual void Refresh() ORTHANC_OVERRIDE;
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140
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141 virtual void UpdateSize(unsigned int width,
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142 unsigned int height) ORTHANC_OVERRIDE;
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143
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144 virtual bool HasCompositor() const ORTHANC_OVERRIDE
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145 {
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146 return true;
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147 }
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148
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149 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE
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150 {
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151 return compositor_;
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152 }
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153 };
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154 }