Mercurial > hg > orthanc-stone
annotate Samples/WebAssembly/RtViewer/RtViewerWasm.cpp @ 1487:75ac66d5f4b2 bgo-timing-tests
Added timing test for dose loading and histogram computation
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Tue, 09 Jun 2020 09:50:03 +0200 |
parents | 5d7ee14dc1eb |
children | 15173a383a00 |
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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20 |
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21 #include "RtViewerApp.h" |
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22 #include "RtViewerView.h" |
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23 #include "SampleHelpers.h" |
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24 |
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25 // Stone of Orthanc includes |
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26 #include <Framework/Loaders/WebAssemblyLoadersContext.h> |
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27 //#include <Framework/OpenGL/WebAssemblyOpenGLContext.h> |
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28 #include <Framework/Viewport/WebGLViewport.h> |
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29 #include <Framework/StoneException.h> |
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30 #include <Framework/StoneInitialization.h> |
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31 |
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32 #include <Framework/Loaders/WebAssemblyLoadersContext.h> |
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33 |
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34 #include <Framework/StoneException.h> |
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35 #include <Framework/StoneInitialization.h> |
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36 |
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37 #include <Core/Toolbox.h> |
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38 |
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39 #include <boost/program_options.hpp> |
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40 #include <boost/shared_ptr.hpp> |
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41 // #include <boost/pointer_cast.hpp> this include might be necessary in more recent boost versions |
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42 |
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43 #include <emscripten.h> |
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44 #include <emscripten/html5.h> |
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45 |
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46 |
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47 #define DISPATCH_JAVASCRIPT_EVENT(name) \ |
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48 EM_ASM( \ |
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49 const customEvent = document.createEvent("CustomEvent"); \ |
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50 customEvent.initCustomEvent(name, false, false, undefined); \ |
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51 window.dispatchEvent(customEvent); \ |
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52 ); |
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53 |
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54 #define EXTERN_CATCH_EXCEPTIONS \ |
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55 catch (Orthanc::OrthancException& e) \ |
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56 { \ |
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57 LOG(ERROR) << "OrthancException: " << e.What(); \ |
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58 DISPATCH_JAVASCRIPT_EVENT("StoneException"); \ |
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59 } \ |
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60 catch (OrthancStone::StoneException& e) \ |
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61 { \ |
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62 LOG(ERROR) << "StoneException: " << e.What(); \ |
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63 DISPATCH_JAVASCRIPT_EVENT("StoneException"); \ |
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64 } \ |
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65 catch (std::exception& e) \ |
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66 { \ |
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67 LOG(ERROR) << "Runtime error: " << e.what(); \ |
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68 DISPATCH_JAVASCRIPT_EVENT("StoneException"); \ |
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69 } \ |
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70 catch (...) \ |
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71 { \ |
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72 LOG(ERROR) << "Native exception"; \ |
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73 DISPATCH_JAVASCRIPT_EVENT("StoneException"); \ |
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74 } |
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75 |
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76 namespace OrthancStone |
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77 { |
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78 // typedef EM_BOOL (*OnMouseWheelFunc)(int eventType, const EmscriptenWheelEvent* wheelEvent, void* userData); |
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79 |
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80 EM_BOOL RtViewerView_Scroll(int eventType, |
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81 const EmscriptenWheelEvent* wheelEvent, |
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82 void* userData) |
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83 { |
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84 RtViewerView* that = reinterpret_cast<RtViewerView*>(userData); |
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85 |
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86 int delta = 0; |
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87 if (wheelEvent->deltaY < 0) |
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88 delta = -1; |
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89 if (wheelEvent->deltaY > 0) |
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90 delta = 1; |
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91 |
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92 that->Scroll(delta); |
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93 |
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94 return 1; |
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95 } |
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96 |
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97 boost::shared_ptr<IViewport> RtViewerView::CreateViewport( |
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98 const std::string& canvasId) |
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99 { |
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100 boost::shared_ptr<IViewport> viewport = WebGLViewport::Create(canvasId); |
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101 |
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102 void* userData = reinterpret_cast<void*>(this); |
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103 |
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104 // manually add the mouse wheel handler |
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105 |
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106 std::string selector = "#" + canvasId; |
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107 |
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108 emscripten_set_wheel_callback_on_thread( |
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109 selector.c_str(), |
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110 userData, |
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111 false, |
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112 &RtViewerView_Scroll, |
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113 EM_CALLBACK_THREAD_CONTEXT_CALLING_THREAD); |
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114 |
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115 return viewport; |
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116 } |
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117 |
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118 void RtViewerView::TakeScreenshot(const std::string& target, |
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119 unsigned int canvasWidth, |
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120 unsigned int canvasHeight) |
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121 { |
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122 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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123 } |
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124 |
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125 |
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126 void RtViewerApp::RunWasm() |
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127 { |
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128 loadersContext_.reset(new OrthancStone::WebAssemblyLoadersContext(1, 4, 1)); |
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129 |
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130 // we are in WASM --> downcast to concrete type |
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131 boost::shared_ptr<WebAssemblyLoadersContext> loadersContext = |
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132 boost::dynamic_pointer_cast<WebAssemblyLoadersContext>(loadersContext_); |
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133 |
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134 if (HasArgument("orthanc")) |
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135 loadersContext->SetLocalOrthanc(GetArgument("orthanc")); |
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136 else |
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137 loadersContext->SetLocalOrthanc(".."); |
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138 |
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139 loadersContext->SetDicomCacheSize(128 * 1024 * 1024); // 128MB |
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140 |
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141 CreateLoaders(); |
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142 |
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143 CreateView("RtViewer_Axial", VolumeProjection_Axial); |
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144 CreateView("RtViewer_Coronal", VolumeProjection_Coronal); |
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145 CreateView("RtViewer_Sagittal", VolumeProjection_Sagittal); |
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146 |
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147 for (size_t i = 0; i < views_.size(); ++i) |
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148 { |
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149 views_[i]->PrepareViewport(); |
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150 } |
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151 |
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152 StartLoaders(); |
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153 |
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154 DefaultViewportInteractor interactor; |
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155 } |
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156 } |
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157 |
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158 extern "C" |
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159 { |
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160 boost::shared_ptr<OrthancStone::RtViewerApp> g_app; |
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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 try |
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165 { |
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166 OrthancStone::StoneInitialize(); |
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167 Orthanc::Logging::Initialize(); |
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168 Orthanc::Logging::EnableTraceLevel(true); |
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169 |
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170 LOG(WARNING) << "Initializing native Stone"; |
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171 |
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172 LOG(WARNING) << "Compiled with Emscripten " << __EMSCRIPTEN_major__ |
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173 << "." << __EMSCRIPTEN_minor__ |
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174 << "." << __EMSCRIPTEN_tiny__; |
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175 |
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176 LOG(INFO) << "Endianness: " << Orthanc::EnumerationToString(Orthanc::Toolbox::DetectEndianness()); |
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177 |
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178 g_app = OrthancStone::RtViewerApp::Create(); |
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179 |
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180 DISPATCH_JAVASCRIPT_EVENT("WasmModuleInitialized"); |
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181 } |
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182 EXTERN_CATCH_EXCEPTIONS; |
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183 } |
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184 |
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185 EMSCRIPTEN_KEEPALIVE |
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186 void Initialize(const char* canvasId) |
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187 { |
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188 try |
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189 { |
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190 g_app->RunWasm(); |
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191 } |
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192 EXTERN_CATCH_EXCEPTIONS; |
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193 } |
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194 |
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195 EMSCRIPTEN_KEEPALIVE |
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196 void SetArgument(const char* key, const char* value) |
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RtViewer SingleFrameViewer OK : wasm SDL single viewport
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197 { |
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198 // This is called for each GET argument (cf. "app.js") |
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199 LOG(INFO) << "Received GET argument: [" << key << "] = [" << value << "]"; |
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200 g_app->SetArgument(key, value); |
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201 } |
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RtViewer SingleFrameViewer OK : wasm SDL single viewport
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202 |
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203 } |