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1463
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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
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22 // From Stone
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23 #include "Framework/Viewport/SdlViewport.h"
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24 #include "Framework/Scene2D/OpenGLCompositor.h"
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25 #include "Framework/Scene2DViewport/UndoStack.h"
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26 #include "Framework/StoneInitialization.h"
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27 #include "Framework/Messages/MessageBroker.h"
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28
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29 // From Orthanc framework
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30 #include <Core/Logging.h>
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31 #include <Core/OrthancException.h>
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32
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33 #include <boost/make_shared.hpp>
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34 #include <boost/ref.hpp>
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35
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36 #include <SDL.h>
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37 #include <stdio.h>
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38
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39
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40 #include "BasicScene.h"
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41
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42 using namespace OrthancStone;
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43
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44 boost::shared_ptr<BasicScene2DInteractor> interactor;
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45
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46 void HandleApplicationEvent(boost::shared_ptr<OrthancStone::ViewportController> controller,
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47 const SDL_Event& event)
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48 {
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49 using namespace OrthancStone;
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50 Scene2D& scene(controller->GetScene());
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51 if (event.type == SDL_MOUSEBUTTONDOWN || event.type == SDL_MOUSEBUTTONUP || event.type == SDL_MOUSEMOTION)
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52 {
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53 // TODO: this code is copy/pasted from GuiAdapter::Run() -> find the right place
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54 int scancodeCount = 0;
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55 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount);
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56 bool ctrlPressed(false);
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57 bool shiftPressed(false);
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58 bool altPressed(false);
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59
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60 if (SDL_SCANCODE_LCTRL < scancodeCount && keyboardState[SDL_SCANCODE_LCTRL])
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61 ctrlPressed = true;
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62 if (SDL_SCANCODE_RCTRL < scancodeCount && keyboardState[SDL_SCANCODE_RCTRL])
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63 ctrlPressed = true;
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64 if (SDL_SCANCODE_LSHIFT < scancodeCount && keyboardState[SDL_SCANCODE_LSHIFT])
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65 shiftPressed = true;
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66 if (SDL_SCANCODE_RSHIFT < scancodeCount && keyboardState[SDL_SCANCODE_RSHIFT])
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67 shiftPressed = true;
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68 if (SDL_SCANCODE_LALT < scancodeCount && keyboardState[SDL_SCANCODE_LALT])
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69 altPressed = true;
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70
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71 GuiAdapterMouseEvent guiEvent;
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72 ConvertFromPlatform(guiEvent, ctrlPressed, shiftPressed, altPressed, event);
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73 PointerEvent pointerEvent;
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74 pointerEvent.AddPosition(controller->GetViewport().GetPixelCenterCoordinates(event.button.x, event.button.y));
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75
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76 interactor->OnMouseEvent(guiEvent, pointerEvent);
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77 return;
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78 }
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79 else if ((event.type == SDL_KEYDOWN || event.type == SDL_KEYUP) && event.key.repeat == 0 /* Ignore key bounce */)
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80 {
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81 GuiAdapterKeyboardEvent guiEvent;
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82 ConvertFromPlatform(guiEvent, event);
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83
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84 interactor->OnKeyboardEvent(guiEvent);
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85 }
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86
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87 }
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88
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89
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90 static void GLAPIENTRY
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91 OpenGLMessageCallback(GLenum source,
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92 GLenum type,
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93 GLuint id,
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94 GLenum severity,
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95 GLsizei length,
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96 const GLchar* message,
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97 const void* userParam )
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98 {
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99 if (severity != GL_DEBUG_SEVERITY_NOTIFICATION)
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100 {
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101 fprintf(stderr, "GL CALLBACK: %s type = 0x%x, severity = 0x%x, message = %s\n",
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102 ( type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR **" : "" ),
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103 type, severity, message );
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104 }
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105 }
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106
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107
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108 void Run(boost::shared_ptr<OrthancStone::ViewportController> controller)
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109 {
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110 SdlViewport& sdlViewport = dynamic_cast<SdlViewport&>(controller->GetViewport());
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111
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112 glEnable(GL_DEBUG_OUTPUT);
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113 glDebugMessageCallback(OpenGLMessageCallback, 0);
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114
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115 controller->GetViewport().GetCompositor().SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT,
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116 BASIC_SCENE_FONT_SIZE, Orthanc::Encoding_Latin1);
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117
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118 controller->GetViewport().Refresh();
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119 controller->FitContent();
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120
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121
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122 bool stop = false;
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123 while (!stop)
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124 {
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125 controller->GetViewport().Refresh();
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126
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127 SDL_Event event;
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128 while (!stop &&
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129 SDL_PollEvent(&event))
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130 {
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131 if (event.type == SDL_QUIT)
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132 {
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133 stop = true;
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134 break;
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135 }
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136 else if (event.type == SDL_WINDOWEVENT &&
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137 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)
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138 {
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139 sdlViewport.UpdateSize(event.window.data1, event.window.data2);
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140 }
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141 else if (event.type == SDL_KEYDOWN &&
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142 event.key.repeat == 0 /* Ignore key bounce */)
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143 {
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144 switch (event.key.keysym.sym)
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145 {
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146 case SDLK_f:
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147 sdlViewport.GetWindow().ToggleMaximize();
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148 break;
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149
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150 case SDLK_q:
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151 stop = true;
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152 break;
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153
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154 default:
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155 break;
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156 }
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157 }
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158
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159 HandleApplicationEvent(controller, event);
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160 }
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161
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162 SDL_Delay(1);
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163 }
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164 interactor.reset();
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165 }
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166
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167
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168
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169
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170 /**
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171 * IMPORTANT: The full arguments to "main()" are needed for SDL on
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172 * Windows. Otherwise, one gets the linking error "undefined reference
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173 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows
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174 **/
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175 int main(int argc, char* argv[])
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176 {
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177 using namespace OrthancStone;
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178 StoneInitialize();
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179 Orthanc::Logging::EnableInfoLevel(true);
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180
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181 try
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182 {
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183 SdlOpenGLViewport viewport("Hello", 1024, 768);
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184 MessageBroker broker;
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185 boost::shared_ptr<UndoStack> undoStack(new UndoStack);
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186 boost::shared_ptr<ViewportController> controller = boost::make_shared<ViewportController>(undoStack, boost::ref(broker), boost::ref(viewport));
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187 interactor.reset(new BasicScene2DInteractor(controller));
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188 PrepareScene(controller->GetScene());
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189 Run(controller);
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190 }
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191 catch (Orthanc::OrthancException& e)
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192 {
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193 LOG(ERROR) << "EXCEPTION: " << e.What();
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194 }
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195
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196 StoneFinalize();
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197
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198 return 0;
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199 }
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