Mercurial > hg > orthanc-stone
annotate Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1805:de7cea710008
recovery of old SdlSimpleViewer sample
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 20 May 2021 17:05:30 +0200 |
parents | 5a872e69c74f |
children | 0840a25c6d41 |
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) 2017-2021 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 |
1368 | 21 |
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22 |
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23 #define SAMPLE_USE_OPENGL 1 |
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24 #define SAMPLE_USE_ANNOTATIONS_LAYER 1 |
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25 |
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26 |
1368 | 27 #include "SdlSimpleViewerApplication.h" |
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28 #include "../SdlHelpers.h" |
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29 #include "../../Common/SampleHelpers.h" |
1368 | 30 |
1542 | 31 #include "../../../../OrthancStone/Sources/Loaders/GenericLoadersContext.h" |
1804 | 32 #include "../../../../OrthancStone/Sources/Scene2D/AnnotationsSceneLayer.h" |
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33 #include "../../../../OrthancStone/Sources/Scene2DViewport/AngleMeasureTool.h" |
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34 #include "../../../../OrthancStone/Sources/Scene2DViewport/LineMeasureTool.h" |
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35 #include "../../../../OrthancStone/Sources/Scene2DViewport/UndoStack.h" |
1542 | 36 #include "../../../../OrthancStone/Sources/StoneException.h" |
37 #include "../../../../OrthancStone/Sources/StoneInitialization.h" | |
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38 #include "../../../../OrthancStone/Sources/Viewport/DefaultViewportInteractor.h" |
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39 #include "../../../Platforms/Sdl/SdlViewport.h" |
1368 | 40 |
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41 #include <EmbeddedResources.h> |
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42 #include <Compatibility.h> // For std::unique_ptr<> |
1457 | 43 #include <OrthancException.h> |
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44 |
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45 #include <boost/program_options.hpp> |
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46 #include <SDL.h> |
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47 |
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48 #include <string> |
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49 |
1368 | 50 |
1804 | 51 static std::string orthancUrl; |
52 static std::string instanceId; | |
53 static int frameIndex = 0; | |
1368 | 54 |
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55 |
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56 static void ProcessOptions(int argc, char* argv[]) |
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57 { |
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58 namespace po = boost::program_options; |
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59 po::options_description desc("Usage"); |
1368 | 60 |
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61 desc.add_options() |
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62 ("loglevel", po::value<std::string>()->default_value("WARNING"), |
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63 "You can choose WARNING, INFO or TRACE for the logging level: Errors and warnings will always be displayed. (default: WARNING)") |
1368 | 64 |
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65 ("orthanc", po::value<std::string>()->default_value("http://localhost:8042"), |
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66 "Base URL of the Orthanc instance") |
1368 | 67 |
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68 ("instance", po::value<std::string>()->default_value("285dece8-e1956b38-cdc7d084-6ce3371e-536a9ffc"), |
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69 "Orthanc ID of the instance to display") |
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70 |
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71 ("frame_index", po::value<int>()->default_value(0), |
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72 "The zero-based index of the frame (for multi-frame instances)") |
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73 ; |
1368 | 74 |
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75 std::cout << desc << std::endl; |
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76 |
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77 std::cout << std::endl << "Keyboard shorcuts:" << std::endl |
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78 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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79 << " a\tCreate angle annotations" << std::endl |
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80 << " c\tCreate circle annotations" << std::endl |
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81 << " d\tDelete mode for annotations" << std::endl |
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82 << " e\tEdit mode, don't create annotation (default)" << std::endl |
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83 << " l\tCreate line annotations" << std::endl |
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84 #else |
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85 << " a\tEnable/disable the angle annotation tool" << std::endl |
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86 << " l\tEnable/disable the line annotation tool" << std::endl |
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87 << " r\tRedo the last edit to the annotation tools" << std::endl |
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88 << " u\tUndo the last edit to the annotation tools" << std::endl |
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89 #endif |
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90 << " f\tToggle fullscreen display" << std::endl |
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91 << " q\tExit" << std::endl |
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92 << " s\tFit the viewpoint to the image" << std::endl |
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93 << std::endl << "Mouse buttons:" << std::endl |
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94 << " left \tChange windowing, or edit annotation" << std::endl |
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95 << " center\tMove the viewpoint, or edit annotation" << std::endl |
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96 << " right \tZoom, or edit annotation" << std::endl |
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97 << std::endl; |
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98 |
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99 po::variables_map vm; |
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100 try |
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101 { |
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102 po::store(po::parse_command_line(argc, argv, desc), vm); |
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103 po::notify(vm); |
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104 } |
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105 catch (std::exception& e) |
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106 { |
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107 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; |
1368 | 108 } |
109 | |
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110 if (vm.count("loglevel") > 0) |
1368 | 111 { |
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112 std::string logLevel = vm["loglevel"].as<std::string>(); |
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113 OrthancStoneHelpers::SetLogLevel(logLevel); |
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114 } |
1368 | 115 |
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116 if (vm.count("orthanc") > 0) |
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117 { |
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118 // maybe check URL validity here |
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119 orthancUrl = vm["orthanc"].as<std::string>(); |
1368 | 120 } |
121 | |
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122 if (vm.count("instance") > 0) |
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123 { |
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124 instanceId = vm["instance"].as<std::string>(); |
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125 } |
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126 |
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127 if (vm.count("frame_index") > 0) |
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128 { |
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129 frameIndex = vm["frame_index"].as<int>(); |
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130 } |
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131 } |
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132 |
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133 |
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134 enum ActiveTool |
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135 { |
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136 ActiveTool_None, |
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137 ActiveTool_Line, |
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138 ActiveTool_Angle |
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139 }; |
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140 |
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141 |
1368 | 142 /** |
143 * IMPORTANT: The full arguments to "main()" are needed for SDL on | |
144 * Windows. Otherwise, one gets the linking error "undefined reference | |
145 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows | |
146 **/ | |
147 int main(int argc, char* argv[]) | |
148 { | |
149 try | |
150 { | |
151 OrthancStone::StoneInitialize(); | |
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152 OrthancStone::SdlWindow::GlobalInitialize(); |
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153 |
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154 ProcessOptions(argc, argv); |
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155 |
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156 //Orthanc::Logging::EnableInfoLevel(true); |
1368 | 157 //Orthanc::Logging::EnableTraceLevel(true); |
158 | |
159 { | |
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160 #if SAMPLE_USE_OPENGL == 1 |
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161 boost::shared_ptr<OrthancStone::SdlViewport> viewport = |
1368 | 162 OrthancStone::SdlOpenGLViewport::Create("Stone of Orthanc", 800, 600); |
163 #else | |
164 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
165 OrthancStone::SdlCairoViewport::Create("Stone of Orthanc", 800, 600); | |
166 #endif | |
167 | |
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168 #if SAMPLE_USE_ANNOTATIONS_LAYER != 1 |
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169 boost::shared_ptr<OrthancStone::UndoStack> undoStack(new OrthancStone::UndoStack); |
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170 #endif |
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171 |
1368 | 172 OrthancStone::GenericLoadersContext context(1, 4, 1); |
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173 |
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174 Orthanc::WebServiceParameters orthancWebService; |
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175 orthancWebService.SetUrl(orthancUrl); |
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176 context.SetOrthancParameters(orthancWebService); |
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177 |
1368 | 178 context.StartOracle(); |
179 | |
180 { | |
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181 { |
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182 std::string font; |
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183 Orthanc::EmbeddedResources::GetFileResource(font, Orthanc::EmbeddedResources::UBUNTU_FONT); |
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184 |
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185 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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186 lock->GetCompositor().SetFont(0, font, 16, Orthanc::Encoding_Latin1); |
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187 |
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188 #if SAMPLE_USE_ANNOTATIONS_LAYER != 1 |
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189 lock->GetController().SetUndoStack(undoStack); |
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190 #endif |
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191 } |
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192 |
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193 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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194 OrthancStone::AnnotationsSceneLayer annotations(10); |
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195 annotations.SetActiveTool(OrthancStone::AnnotationsSceneLayer::Tool_Edit); |
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196 #else |
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197 ActiveTool activeTool = ActiveTool_None; |
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198 |
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199 boost::shared_ptr<OrthancStone::LineMeasureTool> lineMeasureTool(OrthancStone::LineMeasureTool::Create(viewport)); |
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200 bool lineMeasureFirst = true; |
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201 lineMeasureTool->Disable(); |
1368 | 202 |
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203 boost::shared_ptr<OrthancStone::AngleMeasureTool> angleMeasureTool(OrthancStone::AngleMeasureTool::Create(viewport)); |
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204 bool angleMeasureFirst = true; |
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205 angleMeasureTool->Disable(); |
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206 #endif |
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207 |
1368 | 208 boost::shared_ptr<SdlSimpleViewerApplication> application( |
209 SdlSimpleViewerApplication::Create(context, viewport)); | |
210 | |
211 OrthancStone::DicomSource source; | |
212 | |
213 application->LoadOrthancFrame(source, instanceId, frameIndex); | |
214 | |
215 OrthancStone::DefaultViewportInteractor interactor; | |
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216 interactor.SetWindowingLayer(0); |
1368 | 217 |
218 { | |
219 int scancodeCount = 0; | |
220 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
221 | |
222 bool stop = false; | |
223 while (!stop) | |
224 { | |
225 bool paint = false; | |
226 SDL_Event event; | |
227 while (SDL_PollEvent(&event)) | |
228 { | |
229 if (event.type == SDL_QUIT) | |
230 { | |
231 stop = true; | |
232 break; | |
233 } | |
234 else if (viewport->IsRefreshEvent(event)) | |
235 { | |
236 paint = true; | |
237 } | |
238 else if (event.type == SDL_WINDOWEVENT && | |
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239 (event.window.event == SDL_WINDOWEVENT_RESIZED || |
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240 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) |
1368 | 241 { |
242 viewport->UpdateSize(event.window.data1, event.window.data2); | |
243 } | |
244 else if (event.type == SDL_WINDOWEVENT && | |
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245 (event.window.event == SDL_WINDOWEVENT_SHOWN || |
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246 event.window.event == SDL_WINDOWEVENT_EXPOSED)) |
1368 | 247 { |
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248 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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249 lock->RefreshCanvasSize(); |
1368 | 250 } |
251 else if (event.type == SDL_KEYDOWN && | |
252 event.key.repeat == 0 /* Ignore key bounce */) | |
253 { | |
254 switch (event.key.keysym.sym) | |
255 { | |
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256 case SDLK_f: |
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257 viewport->ToggleMaximize(); |
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258 break; |
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259 |
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260 case SDLK_s: |
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261 application->FitContent(); |
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262 break; |
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263 |
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264 case SDLK_q: |
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265 stop = true; |
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266 break; |
1368 | 267 |
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268 #if SAMPLE_USE_ANNOTATIONS_LAYER != 1 |
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269 case SDLK_u: |
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270 { |
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271 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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272 if (lock->GetController().CanUndo()) |
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273 { |
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274 lock->GetController().Undo(); |
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275 } |
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276 break; |
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277 } |
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278 #endif |
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279 |
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280 #if SAMPLE_USE_ANNOTATIONS_LAYER != 1 |
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281 case SDLK_r: |
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282 { |
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283 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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284 if (lock->GetController().CanRedo()) |
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285 { |
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286 lock->GetController().Redo(); |
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287 } |
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288 break; |
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289 } |
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290 #endif |
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291 |
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292 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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293 case SDLK_c: |
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294 annotations.SetActiveTool(OrthancStone::AnnotationsSceneLayer::Tool_Circle); |
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295 break; |
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296 #endif |
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297 |
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298 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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299 case SDLK_e: |
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300 annotations.SetActiveTool(OrthancStone::AnnotationsSceneLayer::Tool_Edit); |
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301 break; |
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302 #endif |
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303 |
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304 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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305 case SDLK_d: |
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306 annotations.SetActiveTool(OrthancStone::AnnotationsSceneLayer::Tool_Erase); |
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307 break; |
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308 #endif |
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309 |
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310 case SDLK_l: |
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311 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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312 annotations.SetActiveTool(OrthancStone::AnnotationsSceneLayer::Tool_Segment); |
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313 #else |
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314 if (activeTool == ActiveTool_Line) |
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315 { |
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316 lineMeasureTool->Disable(); |
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317 activeTool = ActiveTool_None; |
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318 } |
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319 else |
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320 { |
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321 if (lineMeasureFirst) |
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322 { |
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323 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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324 OrthancStone::Extent2D extent; |
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325 lock->GetController().GetScene().GetBoundingBox(extent); |
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326 if (!extent.IsEmpty()) |
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327 { |
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328 OrthancStone::ScenePoint2D p(extent.GetCenterX(), extent.GetCenterY()); |
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329 lineMeasureTool->Set(p, p); |
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330 } |
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331 lineMeasureFirst = false; |
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332 } |
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333 |
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334 lineMeasureTool->Enable(); |
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335 angleMeasureTool->Disable(); |
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336 activeTool = ActiveTool_Line; |
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337 } |
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338 #endif |
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339 break; |
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340 |
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341 case SDLK_a: |
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342 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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343 annotations.SetActiveTool(OrthancStone::AnnotationsSceneLayer::Tool_Angle); |
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344 #else |
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345 if (activeTool == ActiveTool_Angle) |
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346 { |
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347 angleMeasureTool->Disable(); |
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348 activeTool = ActiveTool_None; |
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349 } |
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350 else |
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351 { |
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352 if (angleMeasureFirst) |
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353 { |
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354 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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355 OrthancStone::Extent2D extent; |
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356 lock->GetController().GetScene().GetBoundingBox(extent); |
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357 if (!extent.IsEmpty()) |
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358 { |
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359 OrthancStone::ScenePoint2D p1(1.0 * extent.GetX1() / 3.0 + 2.0 * extent.GetX2() / 3.0, |
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360 2.0 * extent.GetY1() / 3.0 + 2.0 * extent.GetY2() / 3.0); |
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361 OrthancStone::ScenePoint2D p2(1.0 * extent.GetX1() / 2.0 + 1.0 * extent.GetX2() / 2.0, |
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362 1.0 * extent.GetY1() / 3.0 + 1.0 * extent.GetY2() / 3.0); |
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363 OrthancStone::ScenePoint2D p3(2.0 * extent.GetX1() / 3.0 + 1.0 * extent.GetX2() / 3.0, |
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364 2.0 * extent.GetY1() / 3.0 + 2.0 * extent.GetY2() / 3.0); |
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365 angleMeasureTool->SetSide1End(p1); |
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366 angleMeasureTool->SetCenter(p2); |
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367 angleMeasureTool->SetSide2End(p3); |
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368 } |
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369 angleMeasureFirst = false; |
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370 } |
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371 |
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372 lineMeasureTool->Disable(); |
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373 angleMeasureTool->Enable(); |
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374 activeTool = ActiveTool_Angle; |
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375 } |
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376 #endif |
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377 break; |
1368 | 378 |
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379 default: |
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380 break; |
1368 | 381 } |
382 } | |
383 else if (event.type == SDL_MOUSEBUTTONDOWN || | |
384 event.type == SDL_MOUSEMOTION || | |
385 event.type == SDL_MOUSEBUTTONUP) | |
386 { | |
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387 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
1368 | 388 if (lock->HasCompositor()) |
389 { | |
390 OrthancStone::PointerEvent p; | |
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391 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), |
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392 event, keyboardState, scancodeCount); |
1368 | 393 |
394 switch (event.type) | |
395 { | |
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396 case SDL_MOUSEBUTTONDOWN: |
1368 | 397 { |
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398 boost::shared_ptr<OrthancStone::IFlexiblePointerTracker> t; |
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399 |
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400 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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401 if (p.GetMouseButton() == OrthancStone::MouseButton_Left) |
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402 { |
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403 t.reset(annotations.CreateTracker(p.GetMainPosition(), lock->GetController().GetScene())); |
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404 } |
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405 #else |
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406 if (t.get() == NULL) |
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407 { |
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408 switch (activeTool) |
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409 { |
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410 case ActiveTool_Angle: |
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411 t = angleMeasureTool->CreateEditionTracker(p); |
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412 break; |
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413 |
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414 case ActiveTool_Line: |
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415 t = lineMeasureTool->CreateEditionTracker(p); |
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416 break; |
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417 |
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418 case ActiveTool_None: |
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419 break; |
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420 |
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421 default: |
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422 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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423 } |
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424 } |
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425 #endif |
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426 |
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427 if (t.get() != NULL) |
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428 { |
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429 lock->GetController().AcquireActiveTracker(t); |
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430 } |
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431 else |
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432 { |
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433 lock->GetController().HandleMousePress(interactor, p, |
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434 lock->GetCompositor().GetCanvasWidth(), |
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435 lock->GetCompositor().GetCanvasHeight()); |
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436 } |
1368 | 437 lock->Invalidate(); |
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438 break; |
1368 | 439 } |
440 | |
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441 case SDL_MOUSEMOTION: |
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442 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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443 if (lock->GetController().HandleMouseMove(p)) |
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444 { |
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445 lock->Invalidate(); |
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446 if (annotations.ClearHover()) |
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447 { |
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448 paint = true; |
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449 } |
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450 } |
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451 else |
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452 { |
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453 if (annotations.SetMouseHover(p.GetMainPosition(), lock->GetController().GetScene())) |
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454 { |
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455 paint = true; |
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456 } |
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457 } |
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458 #else |
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459 if (lock->GetController().HandleMouseMove(p)) |
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460 { |
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461 lock->Invalidate(); |
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462 paint = true; |
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463 } |
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464 #endif |
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465 break; |
1368 | 466 |
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467 case SDL_MOUSEBUTTONUP: |
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468 lock->GetController().HandleMouseRelease(p); |
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469 lock->Invalidate(); |
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470 break; |
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471 |
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472 default: |
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473 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
1368 | 474 } |
475 } | |
476 } | |
477 } | |
478 | |
479 if (paint) | |
480 { | |
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481 #if SAMPLE_USE_ANNOTATIONS_LAYER == 1 |
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482 { |
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483 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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484 annotations.Render(lock->GetController().GetScene()); |
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485 } |
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486 #endif |
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487 |
1368 | 488 viewport->Paint(); |
489 } | |
490 | |
491 // Small delay to avoid using 100% of CPU | |
492 SDL_Delay(1); | |
493 } | |
494 } | |
495 context.StopOracle(); | |
496 } | |
497 } | |
498 | |
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499 OrthancStone::SdlWindow::GlobalFinalize(); |
1368 | 500 OrthancStone::StoneFinalize(); |
501 return 0; | |
502 } | |
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503 catch (Orthanc::OrthancException& e) |
1368 | 504 { |
505 LOG(ERROR) << "OrthancException: " << e.What(); | |
506 return -1; | |
507 } | |
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508 catch (OrthancStone::StoneException& e) |
1368 | 509 { |
510 LOG(ERROR) << "StoneException: " << e.What(); | |
511 return -1; | |
512 } | |
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513 catch (std::runtime_error& e) |
1368 | 514 { |
515 LOG(ERROR) << "Runtime error: " << e.what(); | |
516 return -1; | |
517 } | |
518 catch (...) | |
519 { | |
520 LOG(ERROR) << "Native exception"; | |
521 return -1; | |
522 } | |
523 } |