Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WebAssemblyViewport.h @ 1268:9a0a95c0b578
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 31 Jan 2020 17:25:27 +0100 |
parents | ce3052f28f2e |
children | a4bb8c2dd211 2d8ab34c8c91 |
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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 |
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22 #pragma once |
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23 |
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24 #include "../OpenGL/WebAssemblyOpenGLContext.h" |
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25 #include "../Scene2D/OpenGLCompositor.h" |
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26 #include "../Scene2D/CairoCompositor.h" |
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27 #include "ViewportBase.h" |
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28 |
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29 namespace OrthancStone |
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30 { |
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31 class WebAssemblyViewport : public ViewportBase |
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32 { |
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33 private: |
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34 std::string canvasIdentifier_; |
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35 |
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36 public: |
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37 WebAssemblyViewport(const std::string& canvasIdentifier) |
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38 : canvasIdentifier_(canvasIdentifier) |
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39 { |
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40 } |
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41 |
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42 WebAssemblyViewport(const std::string& canvasIdentifier, |
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43 boost::shared_ptr<Scene2D>& scene) |
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44 : ViewportBase(scene) |
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45 , canvasIdentifier_(canvasIdentifier) |
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46 { |
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47 } |
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48 |
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49 const std::string& GetCanvasIdentifier() const |
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50 { |
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51 return canvasIdentifier_; |
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52 } |
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53 }; |
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54 |
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55 |
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56 class WebAssemblyOpenGLViewport : public WebAssemblyViewport |
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57 { |
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58 private: |
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59 OpenGL::WebAssemblyOpenGLContext context_; |
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60 std::auto_ptr<OpenGLCompositor> compositor_; |
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61 double cssWidth_; |
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62 double cssHeight_; |
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63 int pixelWidth_; |
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64 int pixelHeight_; |
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65 |
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66 private: |
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67 void UpdateSizeIfNeeded(); |
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68 |
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69 public: |
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70 WebAssemblyOpenGLViewport(const std::string& canvas); |
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71 |
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72 WebAssemblyOpenGLViewport(const std::string& canvas, |
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73 boost::shared_ptr<Scene2D>& scene); |
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74 |
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75 // This function must be called each time the browser window is resized |
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76 void UpdateSize(); |
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77 |
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78 virtual bool HasCompositor() const ORTHANC_OVERRIDE |
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79 { |
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80 return (compositor_.get() != NULL); |
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81 } |
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82 |
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83 bool IsContextLost() |
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84 { |
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85 return context_.IsContextLost(); |
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86 } |
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87 |
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88 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE; |
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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 // this does NOT return whether the context is lost! This is called to |
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93 // tell Stone that the context has been lost |
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94 bool OpenGLContextLost(); |
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95 |
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96 // This should be called to indicate that the context has been lost |
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97 bool OpenGLContextRestored(); |
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98 |
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99 private: |
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100 void DisableCompositor(); |
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101 void RestoreCompositor(); |
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102 |
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103 void RegisterContextCallbacks(); |
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104 }; |
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105 |
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106 |
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107 class WebAssemblyCairoViewport : public WebAssemblyViewport |
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108 { |
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109 private: |
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110 CairoCompositor compositor_; |
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111 std::string canvas_; |
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112 |
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113 public: |
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114 WebAssemblyCairoViewport(const std::string& canvas); |
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115 |
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116 WebAssemblyCairoViewport(const std::string& canvas, |
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117 boost::shared_ptr<Scene2D>& scene); |
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118 |
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119 void UpdateSize(); |
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120 |
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121 virtual void Refresh() ORTHANC_OVERRIDE; |
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122 |
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123 virtual bool HasCompositor() const ORTHANC_OVERRIDE |
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124 { |
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125 return true; |
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126 } |
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127 |
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128 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE |
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129 { |
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130 return compositor_; |
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131 } |
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132 }; |
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133 } |