Mercurial > hg > orthanc-stone
annotate Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1790:b325761e0bd3
angle measure and undo/redo in sdl simple viewer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 17 May 2021 13:57:25 +0200 |
parents | 462d7a0e064e |
children | 20a0aba0ede5 |
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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 |
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22 #include "SdlSimpleViewerApplication.h" | |
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23 #include "../SdlHelpers.h" |
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24 #include "../../Common/SampleHelpers.h" |
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1542 | 26 #include "../../../../OrthancStone/Sources/Loaders/GenericLoadersContext.h" |
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27 #include "../../../../OrthancStone/Sources/Scene2DViewport/AngleMeasureTool.h" |
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28 #include "../../../../OrthancStone/Sources/Scene2DViewport/LineMeasureTool.h" |
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29 #include "../../../../OrthancStone/Sources/Scene2DViewport/UndoStack.h" |
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30 #include "../../../../OrthancStone/Sources/StoneEnumerations.h" |
1542 | 31 #include "../../../../OrthancStone/Sources/StoneException.h" |
32 #include "../../../../OrthancStone/Sources/StoneInitialization.h" | |
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33 #include "../../../../OrthancStone/Sources/Viewport/DefaultViewportInteractor.h" |
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34 #include "../../../Platforms/Sdl/SdlViewport.h" |
1368 | 35 |
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36 #include <EmbeddedResources.h> |
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37 #include <Compatibility.h> // For std::unique_ptr<> |
1457 | 38 #include <OrthancException.h> |
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39 |
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40 #include <boost/program_options.hpp> |
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41 #include <SDL.h> |
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42 |
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43 #include <string> |
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44 |
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46 std::string orthancUrl; |
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47 std::string instanceId; |
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48 int frameIndex = 0; |
1368 | 49 |
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50 |
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51 static void ProcessOptions(int argc, char* argv[]) |
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52 { |
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53 namespace po = boost::program_options; |
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54 po::options_description desc("Usage"); |
1368 | 55 |
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56 desc.add_options() |
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57 ("loglevel", po::value<std::string>()->default_value("WARNING"), |
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58 "You can choose WARNING, INFO or TRACE for the logging level: Errors and warnings will always be displayed. (default: WARNING)") |
1368 | 59 |
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60 ("orthanc", po::value<std::string>()->default_value("http://localhost:8042"), |
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61 "Base URL of the Orthanc instance") |
1368 | 62 |
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63 ("instance", po::value<std::string>()->default_value("285dece8-e1956b38-cdc7d084-6ce3371e-536a9ffc"), |
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64 "Orthanc ID of the instance to display") |
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65 |
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66 ("frame_index", po::value<int>()->default_value(0), |
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67 "The zero-based index of the frame (for multi-frame instances)") |
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68 ; |
1368 | 69 |
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70 std::cout << desc << std::endl; |
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71 |
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72 std::cout << std::endl << "Keyboard shorcuts:" << std::endl |
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73 << " a\tEnable/disable the angle measure tool" << std::endl |
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74 << " f\tToggle fullscreen display" << std::endl |
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75 << " l\tEnable/disable the line measure tool" << std::endl |
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76 << " q\tExit" << std::endl |
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77 << " r\tRedo the last edit to the measure tools" << std::endl |
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78 << " s\tFit the viewpoint to the image" << std::endl |
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79 << " u\tUndo the last edit to the measure tools" << std::endl |
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80 << std::endl << "Mouse buttons:" << std::endl |
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81 << " left \tChange windowing, or edit measure" << std::endl |
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82 << " center\tMove the viewpoint, or edit measure" << std::endl |
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83 << " right \tZoom, or edit measure" << std::endl |
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84 << std::endl; |
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85 |
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86 po::variables_map vm; |
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87 try |
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88 { |
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89 po::store(po::parse_command_line(argc, argv, desc), vm); |
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90 po::notify(vm); |
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91 } |
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92 catch (std::exception& e) |
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93 { |
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94 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; |
1368 | 95 } |
96 | |
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97 if (vm.count("loglevel") > 0) |
1368 | 98 { |
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99 std::string logLevel = vm["loglevel"].as<std::string>(); |
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100 OrthancStoneHelpers::SetLogLevel(logLevel); |
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101 } |
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103 if (vm.count("orthanc") > 0) |
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104 { |
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105 // maybe check URL validity here |
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106 orthancUrl = vm["orthanc"].as<std::string>(); |
1368 | 107 } |
108 | |
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109 if (vm.count("instance") > 0) |
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110 { |
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111 instanceId = vm["instance"].as<std::string>(); |
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112 } |
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113 |
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114 if (vm.count("frame_index") > 0) |
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115 { |
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116 frameIndex = vm["frame_index"].as<int>(); |
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117 } |
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118 } |
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119 |
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120 |
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121 enum ActiveTool |
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122 { |
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123 ActiveTool_None, |
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124 ActiveTool_Line, |
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125 ActiveTool_Angle |
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126 }; |
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127 |
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128 |
1368 | 129 /** |
130 * IMPORTANT: The full arguments to "main()" are needed for SDL on | |
131 * Windows. Otherwise, one gets the linking error "undefined reference | |
132 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows | |
133 **/ | |
134 int main(int argc, char* argv[]) | |
135 { | |
136 try | |
137 { | |
138 OrthancStone::StoneInitialize(); | |
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139 OrthancStone::SdlWindow::GlobalInitialize(); |
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140 |
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141 ProcessOptions(argc, argv); |
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142 |
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143 //Orthanc::Logging::EnableInfoLevel(true); |
1368 | 144 //Orthanc::Logging::EnableTraceLevel(true); |
145 | |
146 { | |
147 | |
148 #if 1 | |
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149 boost::shared_ptr<OrthancStone::SdlViewport> viewport = |
1368 | 150 OrthancStone::SdlOpenGLViewport::Create("Stone of Orthanc", 800, 600); |
151 #else | |
152 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
153 OrthancStone::SdlCairoViewport::Create("Stone of Orthanc", 800, 600); | |
154 #endif | |
155 | |
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156 boost::shared_ptr<OrthancStone::UndoStack> undoStack(new OrthancStone::UndoStack); |
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157 |
1368 | 158 OrthancStone::GenericLoadersContext context(1, 4, 1); |
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159 |
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160 Orthanc::WebServiceParameters orthancWebService; |
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161 orthancWebService.SetUrl(orthancUrl); |
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162 context.SetOrthancParameters(orthancWebService); |
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163 |
1368 | 164 context.StartOracle(); |
165 | |
166 { | |
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167 { |
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168 std::string font; |
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169 Orthanc::EmbeddedResources::GetFileResource(font, Orthanc::EmbeddedResources::UBUNTU_FONT); |
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170 |
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171 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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172 lock->GetCompositor().SetFont(0, font, 16, Orthanc::Encoding_Latin1); |
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173 lock->GetController().SetUndoStack(undoStack); |
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174 } |
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175 |
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176 ActiveTool activeTool = ActiveTool_None; |
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177 |
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178 boost::shared_ptr<OrthancStone::LineMeasureTool> lineMeasureTool(OrthancStone::LineMeasureTool::Create(viewport)); |
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179 bool lineMeasureFirst = true; |
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180 lineMeasureTool->Disable(); |
1368 | 181 |
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182 boost::shared_ptr<OrthancStone::AngleMeasureTool> angleMeasureTool(OrthancStone::AngleMeasureTool::Create(viewport)); |
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183 bool angleMeasureFirst = true; |
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184 angleMeasureTool->Disable(); |
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185 |
1368 | 186 boost::shared_ptr<SdlSimpleViewerApplication> application( |
187 SdlSimpleViewerApplication::Create(context, viewport)); | |
188 | |
189 OrthancStone::DicomSource source; | |
190 | |
191 application->LoadOrthancFrame(source, instanceId, frameIndex); | |
192 | |
193 OrthancStone::DefaultViewportInteractor interactor; | |
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194 interactor.SetWindowingLayer(0); |
1368 | 195 |
196 { | |
197 int scancodeCount = 0; | |
198 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
199 | |
200 bool stop = false; | |
201 while (!stop) | |
202 { | |
203 bool paint = false; | |
204 SDL_Event event; | |
205 while (SDL_PollEvent(&event)) | |
206 { | |
207 if (event.type == SDL_QUIT) | |
208 { | |
209 stop = true; | |
210 break; | |
211 } | |
212 else if (viewport->IsRefreshEvent(event)) | |
213 { | |
214 paint = true; | |
215 } | |
216 else if (event.type == SDL_WINDOWEVENT && | |
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217 (event.window.event == SDL_WINDOWEVENT_RESIZED || |
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218 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) |
1368 | 219 { |
220 viewport->UpdateSize(event.window.data1, event.window.data2); | |
221 } | |
222 else if (event.type == SDL_WINDOWEVENT && | |
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223 (event.window.event == SDL_WINDOWEVENT_SHOWN || |
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224 event.window.event == SDL_WINDOWEVENT_EXPOSED)) |
1368 | 225 { |
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226 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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227 lock->RefreshCanvasSize(); |
1368 | 228 } |
229 else if (event.type == SDL_KEYDOWN && | |
230 event.key.repeat == 0 /* Ignore key bounce */) | |
231 { | |
232 switch (event.key.keysym.sym) | |
233 { | |
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234 case SDLK_f: |
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235 viewport->ToggleMaximize(); |
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236 break; |
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237 |
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238 case SDLK_s: |
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239 application->FitContent(); |
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240 break; |
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241 |
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242 case SDLK_q: |
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243 stop = true; |
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244 break; |
1368 | 245 |
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246 case SDLK_u: |
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247 { |
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248 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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249 if (lock->GetController().CanUndo()) |
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250 { |
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251 lock->GetController().Undo(); |
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252 } |
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253 break; |
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254 } |
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255 |
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256 case SDLK_r: |
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257 { |
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258 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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259 if (lock->GetController().CanRedo()) |
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260 { |
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261 lock->GetController().Redo(); |
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262 } |
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263 break; |
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264 } |
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265 |
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266 case SDLK_l: |
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267 if (activeTool == ActiveTool_Line) |
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268 { |
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269 lineMeasureTool->Disable(); |
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270 activeTool = ActiveTool_None; |
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271 } |
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272 else |
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273 { |
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274 if (lineMeasureFirst) |
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275 { |
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276 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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277 OrthancStone::Extent2D extent; |
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278 lock->GetController().GetScene().GetBoundingBox(extent); |
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279 if (!extent.IsEmpty()) |
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280 { |
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281 OrthancStone::ScenePoint2D p(extent.GetCenterX(), extent.GetCenterY()); |
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282 lineMeasureTool->Set(p, p); |
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283 } |
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284 lineMeasureFirst = false; |
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285 } |
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286 |
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287 lineMeasureTool->Enable(); |
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288 angleMeasureTool->Disable(); |
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289 activeTool = ActiveTool_Line; |
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290 } |
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291 break; |
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292 |
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293 case SDLK_a: |
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294 if (activeTool == ActiveTool_Angle) |
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295 { |
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296 angleMeasureTool->Disable(); |
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297 activeTool = ActiveTool_None; |
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298 } |
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299 else |
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300 { |
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301 if (angleMeasureFirst) |
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302 { |
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303 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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304 OrthancStone::Extent2D extent; |
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305 lock->GetController().GetScene().GetBoundingBox(extent); |
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306 if (!extent.IsEmpty()) |
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307 { |
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308 OrthancStone::ScenePoint2D p1(1.0 * extent.GetX1() / 3.0 + 2.0 * extent.GetX2() / 3.0, |
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309 2.0 * extent.GetY1() / 3.0 + 2.0 * extent.GetY2() / 3.0); |
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310 OrthancStone::ScenePoint2D p2(1.0 * extent.GetX1() / 2.0 + 1.0 * extent.GetX2() / 2.0, |
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311 1.0 * extent.GetY1() / 3.0 + 1.0 * extent.GetY2() / 3.0); |
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312 OrthancStone::ScenePoint2D p3(2.0 * extent.GetX1() / 3.0 + 1.0 * extent.GetX2() / 3.0, |
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313 2.0 * extent.GetY1() / 3.0 + 2.0 * extent.GetY2() / 3.0); |
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314 angleMeasureTool->SetSide1End(p1); |
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315 angleMeasureTool->SetCenter(p2); |
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316 angleMeasureTool->SetSide2End(p3); |
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317 } |
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318 angleMeasureFirst = false; |
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319 } |
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320 |
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321 lineMeasureTool->Disable(); |
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322 angleMeasureTool->Enable(); |
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323 activeTool = ActiveTool_Angle; |
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324 } |
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325 break; |
1368 | 326 |
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327 default: |
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328 break; |
1368 | 329 } |
330 } | |
331 else if (event.type == SDL_MOUSEBUTTONDOWN || | |
332 event.type == SDL_MOUSEMOTION || | |
333 event.type == SDL_MOUSEBUTTONUP) | |
334 { | |
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335 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
1368 | 336 if (lock->HasCompositor()) |
337 { | |
338 OrthancStone::PointerEvent p; | |
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339 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), |
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340 event, keyboardState, scancodeCount); |
1368 | 341 |
342 switch (event.type) | |
343 { | |
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344 case SDL_MOUSEBUTTONDOWN: |
1368 | 345 { |
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346 boost::shared_ptr<OrthancStone::IFlexiblePointerTracker> t; |
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347 switch (activeTool) |
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348 { |
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349 case ActiveTool_Angle: |
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350 t = angleMeasureTool->CreateEditionTracker(p); |
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351 break; |
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352 |
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353 case ActiveTool_Line: |
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354 t = lineMeasureTool->CreateEditionTracker(p); |
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355 break; |
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356 |
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357 case ActiveTool_None: |
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358 break; |
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359 |
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360 default: |
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361 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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362 } |
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363 |
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364 if (t.get() != NULL) |
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365 { |
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366 lock->GetController().AcquireActiveTracker(t); |
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367 } |
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368 else |
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369 { |
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370 lock->GetController().HandleMousePress(interactor, p, |
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371 lock->GetCompositor().GetCanvasWidth(), |
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372 lock->GetCompositor().GetCanvasHeight()); |
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373 } |
1368 | 374 lock->Invalidate(); |
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375 break; |
1368 | 376 } |
377 | |
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378 case SDL_MOUSEMOTION: |
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379 if (lock->GetController().HandleMouseMove(p)) |
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380 { |
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381 lock->Invalidate(); |
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382 } |
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383 break; |
1368 | 384 |
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385 case SDL_MOUSEBUTTONUP: |
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386 lock->GetController().HandleMouseRelease(p); |
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387 lock->Invalidate(); |
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388 break; |
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389 |
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390 default: |
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391 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
1368 | 392 } |
393 } | |
394 } | |
395 } | |
396 | |
397 if (paint) | |
398 { | |
399 viewport->Paint(); | |
400 } | |
401 | |
402 // Small delay to avoid using 100% of CPU | |
403 SDL_Delay(1); | |
404 } | |
405 } | |
406 context.StopOracle(); | |
407 } | |
408 } | |
409 | |
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410 OrthancStone::SdlWindow::GlobalFinalize(); |
1368 | 411 OrthancStone::StoneFinalize(); |
412 return 0; | |
413 } | |
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414 catch (Orthanc::OrthancException& e) |
1368 | 415 { |
416 LOG(ERROR) << "OrthancException: " << e.What(); | |
417 return -1; | |
418 } | |
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419 catch (OrthancStone::StoneException& e) |
1368 | 420 { |
421 LOG(ERROR) << "StoneException: " << e.What(); | |
422 return -1; | |
423 } | |
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424 catch (std::runtime_error& e) |
1368 | 425 { |
426 LOG(ERROR) << "Runtime error: " << e.what(); | |
427 return -1; | |
428 } | |
429 catch (...) | |
430 { | |
431 LOG(ERROR) << "Native exception"; | |
432 return -1; | |
433 } | |
434 } |