Mercurial > hg > orthanc-stone

annotate Samples/WebAssembly/BasicScene.cpp @ 1327:4f8db2d202c8 broker

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OrthancSeriesProgressiveLoader now has two modes that can be selected at object creation : - progressive (will first load jpeg50, then jpeg90 then PAM) - non-progressive (will directly load PAM (uncompressed)) Please note that the slice loading order remains dynamic and depending upon the slice that the client code wishes to extract from the volume.
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 25 Mar 2020 14:34:27 +0100
parents 8a0a62189f46
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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) 2017-2020 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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21
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22 #include "dev.h"
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24 #include <emscripten.h>
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25 #include <emscripten/html5.h>
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26
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27 // From Stone
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28 #include "../../Framework/Scene2D/ColorTextureSceneLayer.h"
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29 #include "../../Framework/StoneInitialization.h"
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30
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31 // From Orthanc framework
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32 #include <Core/Images/Image.h>
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33 #include <Core/Logging.h>
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34 #include <Core/OrthancException.h>
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36 void PrepareScene(OrthancStone::Scene2D& scene)
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37 {
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38 using namespace OrthancStone;
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39
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40 // Texture of 2x2 size
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41 if (1)
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42 {
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43 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 2, 2, false);
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45 uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0));
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46 p[0] = 255;
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47 p[1] = 0;
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48 p[2] = 0;
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50 p[3] = 0;
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51 p[4] = 255;
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52 p[5] = 0;
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54 p = reinterpret_cast<uint8_t*>(i.GetRow(1));
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55 p[0] = 0;
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56 p[1] = 0;
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57 p[2] = 255;
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58
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59 p[3] = 255;
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60 p[4] = 0;
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61 p[5] = 0;
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62
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63 scene.SetLayer(12, new ColorTextureSceneLayer(i));
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65 std::unique_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i));
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66 l->SetOrigin(-3, 2);
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67 l->SetPixelSpacing(1.5, 1);
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68 l->SetAngle(20.0 / 180.0 * M_PI);
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69 scene.SetLayer(14, l.release());
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70 }
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72 // Texture of 1x1 size
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73 if (1)
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74 {
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75 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 1, 1, false);
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77 uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0));
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78 p[0] = 255;
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79 p[1] = 0;
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80 p[2] = 0;
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81
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82 std::unique_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i));
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83 l->SetOrigin(-2, 1);
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84 l->SetAngle(20.0 / 180.0 * M_PI);
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85 scene.SetLayer(13, l.release());
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86 }
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87
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88 // Some lines
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89 if (1)
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90 {
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91 std::unique_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer);
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93 layer->SetThickness(1);
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94
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95 PolylineSceneLayer::Chain chain;
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96 chain.push_back(ScenePoint2D(0 - 0.5, 0 - 0.5));
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97 chain.push_back(ScenePoint2D(0 - 0.5, 2 - 0.5));
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98 chain.push_back(ScenePoint2D(2 - 0.5, 2 - 0.5));
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99 chain.push_back(ScenePoint2D(2 - 0.5, 0 - 0.5));
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100 layer->AddChain(chain, true, 255, 0, 0);
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101
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102 chain.clear();
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103 chain.push_back(ScenePoint2D(-5, -5));
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104 chain.push_back(ScenePoint2D(5, -5));
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105 chain.push_back(ScenePoint2D(5, 5));
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106 chain.push_back(ScenePoint2D(-5, 5));
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107 layer->AddChain(chain, true, 0, 255, 0);
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108
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109 double dy = 1.01;
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110 chain.clear();
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111 chain.push_back(ScenePoint2D(-4, -4));
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112 chain.push_back(ScenePoint2D(4, -4 + dy));
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113 chain.push_back(ScenePoint2D(-4, -4 + 2.0 * dy));
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114 chain.push_back(ScenePoint2D(4, 2));
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115 layer->AddChain(chain, false, 0, 0, 255);
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116
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117 scene.SetLayer(50, layer.release());
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118 }
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119
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120 // Some text
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121 if (1)
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122 {
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123 std::unique_ptr<TextSceneLayer> layer(new TextSceneLayer);
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124 layer->SetText("Hello");
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125 scene.SetLayer(100, layer.release());
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126 }
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127 }
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128
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129
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130 std::unique_ptr<OrthancStone::WebAssemblyViewport> viewport1_;
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131 std::unique_ptr<OrthancStone::WebAssemblyViewport> viewport2_;
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132 std::unique_ptr<OrthancStone::WebAssemblyViewport> viewport3_;
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133 boost::shared_ptr<OrthancStone::ViewportController> controller1_;
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134 boost::shared_ptr<OrthancStone::ViewportController> controller2_;
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135 boost::shared_ptr<OrthancStone::ViewportController> controller3_;
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136 OrthancStone::MessageBroker broker_;
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137
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138
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139 EM_BOOL OnWindowResize(
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140 int eventType, const EmscriptenUiEvent *uiEvent, void *userData)
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141 {
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142 if (viewport1_.get() != NULL)
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143 {
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144 viewport1_->UpdateSize();
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145 }
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146
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147 if (viewport2_.get() != NULL)
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148 {
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149 viewport2_->UpdateSize();
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150 }
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151
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152 if (viewport3_.get() != NULL)
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153 {
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154 viewport3_->UpdateSize();
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155 }
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156
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157 return true;
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158 }
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159
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160 extern "C"
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161 {
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162 int main(int argc, char const *argv[])
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163 {
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164 OrthancStone::StoneInitialize();
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165 // Orthanc::Logging::EnableInfoLevel(true);
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166 // Orthanc::Logging::EnableTraceLevel(true);
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167 EM_ASM(window.dispatchEvent(new CustomEvent("WebAssemblyLoaded")););
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168 }
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169
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170 EMSCRIPTEN_KEEPALIVE
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171 void Initialize()
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172 {
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173 viewport1_.reset(new OrthancStone::WebAssemblyViewport("mycanvas1"));
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174 PrepareScene(viewport1_->GetScene());
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175 viewport1_->UpdateSize();
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176
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177 viewport2_.reset(new OrthancStone::WebAssemblyViewport("mycanvas2"));
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178 PrepareScene(viewport2_->GetScene());
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179 viewport2_->UpdateSize();
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180
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181 viewport3_.reset(new OrthancStone::WebAssemblyViewport("mycanvas3"));
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182 PrepareScene(viewport3_->GetScene());
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183 viewport3_->UpdateSize();
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184
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185 viewport1_->GetCompositor().SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT,
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186 FONT_SIZE, Orthanc::Encoding_Latin1);
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187 viewport2_->GetCompositor().SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT,
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188 FONT_SIZE, Orthanc::Encoding_Latin1);
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189 viewport3_->GetCompositor().SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT,
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190 FONT_SIZE, Orthanc::Encoding_Latin1);
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191
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192 controller1_.reset(new OrthancStone::ViewportController(boost::make_shared<OrthancStone::UndoStack>(), broker_, *viewport1_));
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193 controller2_.reset(new OrthancStone::ViewportController(boost::make_shared<OrthancStone::UndoStack>(), broker_, *viewport2_));
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194 controller3_.reset(new OrthancStone::ViewportController(boost::make_shared<OrthancStone::UndoStack>(), broker_, *viewport3_));
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195
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196 controller1_->FitContent(viewport1_->GetCanvasWidth(), viewport1_->GetCanvasHeight());
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197 controller2_->FitContent(viewport2_->GetCanvasWidth(), viewport2_->GetCanvasHeight());
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198 controller3_->FitContent(viewport3_->GetCanvasWidth(), viewport3_->GetCanvasHeight());
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199
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200 viewport1_->Refresh();
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201 viewport2_->Refresh();
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202 viewport3_->Refresh();
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203
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204 SetupEvents("mycanvas1", controller1_);
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205 SetupEvents("mycanvas2", controller2_);
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206 SetupEvents("mycanvas3", controller3_);
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207
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208 emscripten_set_resize_callback("#window", NULL, false, OnWindowResize);
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209 }
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210 }