Mercurial > hg > orthanc-stone
annotate Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1538:d1806b4e4839
moving OrthancStone/Samples/ as Applications/Samples/
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 11 Aug 2020 13:24:38 +0200 |
| parents | OrthancStone/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp@301571299212 |
| children | 6e0da8370270 |
| 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 |
| 1368 | 21 |
| 22 #include "SdlSimpleViewerApplication.h" | |
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23 #include "../SdlHelpers.h" |
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24 #include "../../Common/SampleHelpers.h" |
| 1368 | 25 |
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26 #include "../../../Sources/Loaders/GenericLoadersContext.h" |
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27 #include "../../../Sources/StoneException.h" |
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28 #include "../../../Sources/StoneEnumerations.h" |
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29 #include "../../../Sources/StoneInitialization.h" |
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30 #include "../../../Sources/Viewport/SdlViewport.h" |
| 1368 | 31 |
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32 #include <Compatibility.h> // For std::unique_ptr<> |
| 1457 | 33 #include <OrthancException.h> |
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34 |
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35 #include <boost/program_options.hpp> |
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36 #include <SDL.h> |
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37 |
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38 #include <string> |
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39 |
| 1368 | 40 |
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41 std::string orthancUrl; |
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42 std::string instanceId; |
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43 int frameIndex = 0; |
| 1368 | 44 |
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45 |
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46 static void ProcessOptions(int argc, char* argv[]) |
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47 { |
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48 namespace po = boost::program_options; |
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49 po::options_description desc("Usage"); |
| 1368 | 50 |
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51 desc.add_options() |
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52 ("loglevel", po::value<std::string>()->default_value("WARNING"), |
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53 "You can choose WARNING, INFO or TRACE for the logging level: Errors and warnings will always be displayed. (default: WARNING)") |
| 1368 | 54 |
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55 ("orthanc", po::value<std::string>()->default_value("http://localhost:8042"), |
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56 "Base URL of the Orthanc instance") |
| 1368 | 57 |
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58 ("instance", po::value<std::string>()->default_value("285dece8-e1956b38-cdc7d084-6ce3371e-536a9ffc"), |
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59 "Orthanc ID of the instance to display") |
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60 |
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61 ("frame_index", po::value<int>()->default_value(0), |
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62 "The zero-based index of the frame (for multi-frame instances)") |
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63 ; |
| 1368 | 64 |
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65 std::cout << desc << std::endl; |
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66 |
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67 po::variables_map vm; |
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68 try |
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69 { |
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70 po::store(po::parse_command_line(argc, argv, desc), vm); |
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71 po::notify(vm); |
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72 } |
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73 catch (std::exception& e) |
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74 { |
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75 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; |
| 1368 | 76 } |
| 77 | |
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78 if (vm.count("loglevel") > 0) |
| 1368 | 79 { |
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80 std::string logLevel = vm["loglevel"].as<std::string>(); |
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81 OrthancStoneHelpers::SetLogLevel(logLevel); |
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82 } |
| 1368 | 83 |
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84 if (vm.count("orthanc") > 0) |
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85 { |
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86 // maybe check URL validity here |
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87 orthancUrl = vm["orthanc"].as<std::string>(); |
| 1368 | 88 } |
| 89 | |
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90 if (vm.count("instance") > 0) |
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91 { |
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92 instanceId = vm["instance"].as<std::string>(); |
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93 } |
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94 |
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95 if (vm.count("frame_index") > 0) |
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96 { |
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97 frameIndex = vm["frame_index"].as<int>(); |
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98 } |
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99 |
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100 } |
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101 |
| 1368 | 102 /** |
| 103 * IMPORTANT: The full arguments to "main()" are needed for SDL on | |
| 104 * Windows. Otherwise, one gets the linking error "undefined reference | |
| 105 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows | |
| 106 **/ | |
| 107 int main(int argc, char* argv[]) | |
| 108 { | |
| 109 try | |
| 110 { | |
| 111 OrthancStone::StoneInitialize(); | |
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112 |
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113 ProcessOptions(argc, argv); |
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114 |
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115 //Orthanc::Logging::EnableInfoLevel(true); |
| 1368 | 116 //Orthanc::Logging::EnableTraceLevel(true); |
| 117 | |
| 118 { | |
| 119 | |
| 120 #if 1 | |
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121 boost::shared_ptr<OrthancStone::SdlViewport> viewport = |
| 1368 | 122 OrthancStone::SdlOpenGLViewport::Create("Stone of Orthanc", 800, 600); |
| 123 #else | |
| 124 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
| 125 OrthancStone::SdlCairoViewport::Create("Stone of Orthanc", 800, 600); | |
| 126 #endif | |
| 127 | |
| 128 OrthancStone::GenericLoadersContext context(1, 4, 1); | |
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129 |
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130 Orthanc::WebServiceParameters orthancWebService; |
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131 orthancWebService.SetUrl(orthancUrl); |
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132 context.SetOrthancParameters(orthancWebService); |
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133 |
| 1368 | 134 context.StartOracle(); |
| 135 | |
| 136 { | |
| 137 | |
| 138 boost::shared_ptr<SdlSimpleViewerApplication> application( | |
| 139 SdlSimpleViewerApplication::Create(context, viewport)); | |
| 140 | |
| 141 OrthancStone::DicomSource source; | |
| 142 | |
| 143 application->LoadOrthancFrame(source, instanceId, frameIndex); | |
| 144 | |
| 145 OrthancStone::DefaultViewportInteractor interactor; | |
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146 interactor.SetWindowingLayer(0); |
| 1368 | 147 |
| 148 { | |
| 149 int scancodeCount = 0; | |
| 150 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
| 151 | |
| 152 bool stop = false; | |
| 153 while (!stop) | |
| 154 { | |
| 155 bool paint = false; | |
| 156 SDL_Event event; | |
| 157 while (SDL_PollEvent(&event)) | |
| 158 { | |
| 159 if (event.type == SDL_QUIT) | |
| 160 { | |
| 161 stop = true; | |
| 162 break; | |
| 163 } | |
| 164 else if (viewport->IsRefreshEvent(event)) | |
| 165 { | |
| 166 paint = true; | |
| 167 } | |
| 168 else if (event.type == SDL_WINDOWEVENT && | |
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169 (event.window.event == SDL_WINDOWEVENT_RESIZED || |
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170 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) |
| 1368 | 171 { |
| 172 viewport->UpdateSize(event.window.data1, event.window.data2); | |
| 173 } | |
| 174 else if (event.type == SDL_WINDOWEVENT && | |
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175 (event.window.event == SDL_WINDOWEVENT_SHOWN || |
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176 event.window.event == SDL_WINDOWEVENT_EXPOSED)) |
| 1368 | 177 { |
| 178 paint = true; | |
| 179 } | |
| 180 else if (event.type == SDL_KEYDOWN && | |
| 181 event.key.repeat == 0 /* Ignore key bounce */) | |
| 182 { | |
| 183 switch (event.key.keysym.sym) | |
| 184 { | |
| 185 case SDLK_f: | |
| 186 viewport->ToggleMaximize(); | |
| 187 break; | |
| 188 | |
| 189 case SDLK_s: | |
| 190 application->FitContent(); | |
| 191 break; | |
| 192 | |
| 193 case SDLK_q: | |
| 194 stop = true; | |
| 195 break; | |
| 196 | |
| 197 default: | |
| 198 break; | |
| 199 } | |
| 200 } | |
| 201 else if (event.type == SDL_MOUSEBUTTONDOWN || | |
| 202 event.type == SDL_MOUSEMOTION || | |
| 203 event.type == SDL_MOUSEBUTTONUP) | |
| 204 { | |
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205 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
| 1368 | 206 if (lock->HasCompositor()) |
| 207 { | |
| 208 OrthancStone::PointerEvent p; | |
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209 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), |
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210 event, keyboardState, scancodeCount); |
| 1368 | 211 |
| 212 switch (event.type) | |
| 213 { | |
| 214 case SDL_MOUSEBUTTONDOWN: | |
| 215 lock->GetController().HandleMousePress(interactor, p, | |
| 216 lock->GetCompositor().GetCanvasWidth(), | |
| 217 lock->GetCompositor().GetCanvasHeight()); | |
| 218 lock->Invalidate(); | |
| 219 break; | |
| 220 | |
| 221 case SDL_MOUSEMOTION: | |
| 222 if (lock->GetController().HandleMouseMove(p)) | |
| 223 { | |
| 224 lock->Invalidate(); | |
| 225 } | |
| 226 break; | |
| 227 | |
| 228 case SDL_MOUSEBUTTONUP: | |
| 229 lock->GetController().HandleMouseRelease(p); | |
| 230 lock->Invalidate(); | |
| 231 break; | |
| 232 | |
| 233 default: | |
| 234 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 235 } | |
| 236 } | |
| 237 } | |
| 238 } | |
| 239 | |
| 240 if (paint) | |
| 241 { | |
| 242 viewport->Paint(); | |
| 243 } | |
| 244 | |
| 245 // Small delay to avoid using 100% of CPU | |
| 246 SDL_Delay(1); | |
| 247 } | |
| 248 } | |
| 249 context.StopOracle(); | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 OrthancStone::StoneFinalize(); | |
| 254 return 0; | |
| 255 } | |
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256 catch (Orthanc::OrthancException& e) |
| 1368 | 257 { |
| 258 LOG(ERROR) << "OrthancException: " << e.What(); | |
| 259 return -1; | |
| 260 } | |
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261 catch (OrthancStone::StoneException& e) |
| 1368 | 262 { |
| 263 LOG(ERROR) << "StoneException: " << e.What(); | |
| 264 return -1; | |
| 265 } | |
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266 catch (std::runtime_error& e) |
| 1368 | 267 { |
| 268 LOG(ERROR) << "Runtime error: " << e.what(); | |
| 269 return -1; | |
| 270 } | |
| 271 catch (...) | |
| 272 { | |
| 273 LOG(ERROR) << "Native exception"; | |
| 274 return -1; | |
| 275 } | |
| 276 } |