Mercurial > hg > orthanc-stone
annotate Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1462:b17d03599726
fix
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 12 Jun 2020 07:18:07 +0200 |
| parents | 828a9b4ee1b7 |
| children | 169adf9090a6 |
| 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 |
| 1457 | 26 #include "../../../Framework/Loaders/GenericLoadersContext.h" |
| 27 #include "../../../Framework/StoneException.h" | |
| 28 #include "../../../Framework/StoneEnumerations.h" | |
| 29 #include "../../../Framework/StoneInitialization.h" | |
| 30 #include "../../../Framework/Viewport/SdlViewport.h" | |
| 1368 | 31 |
| 1457 | 32 #include <OrthancException.h> |
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33 |
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34 #include <boost/program_options.hpp> |
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35 #include <SDL.h> |
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36 |
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37 #include <string> |
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38 |
| 1368 | 39 |
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40 std::string orthancUrl; |
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41 std::string instanceId; |
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42 int frameIndex = 0; |
| 1368 | 43 |
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44 |
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45 static void ProcessOptions(int argc, char* argv[]) |
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46 { |
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47 namespace po = boost::program_options; |
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48 po::options_description desc("Usage:"); |
| 1368 | 49 |
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50 desc.add_options() |
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51 ("loglevel", po::value<std::string>()->default_value("WARNING"), |
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52 "You can choose WARNING, INFO or TRACE for the logging level: Errors and warnings will always be displayed. (default: WARNING)") |
| 1368 | 53 |
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54 ("orthanc", po::value<std::string>()->default_value("http://localhost:8042"), |
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55 "Base URL of the Orthanc instance") |
| 1368 | 56 |
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57 ("instance", po::value<std::string>()->default_value("285dece8-e1956b38-cdc7d084-6ce3371e-536a9ffc"), |
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58 "Orthanc ID of the instance to display") |
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59 |
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60 ("frame_index", po::value<int>()->default_value(0), |
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61 "The zero-based index of the frame (for multi-frame instances)") |
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62 ; |
| 1368 | 63 |
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64 po::variables_map vm; |
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65 try |
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66 { |
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67 po::store(po::parse_command_line(argc, argv, desc), vm); |
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68 po::notify(vm); |
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69 } |
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70 catch (std::exception& e) |
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71 { |
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72 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; |
| 1368 | 73 } |
| 74 | |
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75 if (vm.count("loglevel") > 0) |
| 1368 | 76 { |
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77 std::string logLevel = vm["loglevel"].as<std::string>(); |
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78 OrthancStoneHelpers::SetLogLevel(logLevel); |
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79 } |
| 1368 | 80 |
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81 if (vm.count("orthanc") > 0) |
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82 { |
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83 // maybe check URL validity here |
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84 orthancUrl = vm["orthanc"].as<std::string>(); |
| 1368 | 85 } |
| 86 | |
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87 if (vm.count("instance") > 0) |
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88 { |
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89 instanceId = vm["instance"].as<std::string>(); |
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90 } |
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91 |
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92 if (vm.count("frame_index") > 0) |
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93 { |
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94 frameIndex = vm["frame_index"].as<int>(); |
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95 } |
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96 |
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97 } |
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98 |
| 1368 | 99 /** |
| 100 * IMPORTANT: The full arguments to "main()" are needed for SDL on | |
| 101 * Windows. Otherwise, one gets the linking error "undefined reference | |
| 102 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows | |
| 103 **/ | |
| 104 int main(int argc, char* argv[]) | |
| 105 { | |
| 106 try | |
| 107 { | |
| 108 OrthancStone::StoneInitialize(); | |
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109 |
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110 ProcessOptions(argc, argv); |
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111 |
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112 //Orthanc::Logging::EnableInfoLevel(true); |
| 1368 | 113 //Orthanc::Logging::EnableTraceLevel(true); |
| 114 | |
| 115 { | |
| 116 | |
| 117 #if 1 | |
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118 boost::shared_ptr<OrthancStone::SdlViewport> viewport = |
| 1368 | 119 OrthancStone::SdlOpenGLViewport::Create("Stone of Orthanc", 800, 600); |
| 120 #else | |
| 121 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
| 122 OrthancStone::SdlCairoViewport::Create("Stone of Orthanc", 800, 600); | |
| 123 #endif | |
| 124 | |
| 125 OrthancStone::GenericLoadersContext context(1, 4, 1); | |
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126 |
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127 Orthanc::WebServiceParameters orthancWebService; |
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128 orthancWebService.SetUrl(orthancUrl); |
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129 context.SetOrthancParameters(orthancWebService); |
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130 |
| 1368 | 131 context.StartOracle(); |
| 132 | |
| 133 { | |
| 134 | |
| 135 boost::shared_ptr<SdlSimpleViewerApplication> application( | |
| 136 SdlSimpleViewerApplication::Create(context, viewport)); | |
| 137 | |
| 138 OrthancStone::DicomSource source; | |
| 139 | |
| 140 application->LoadOrthancFrame(source, instanceId, frameIndex); | |
| 141 | |
| 142 OrthancStone::DefaultViewportInteractor interactor; | |
| 143 | |
| 144 { | |
| 145 int scancodeCount = 0; | |
| 146 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
| 147 | |
| 148 bool stop = false; | |
| 149 while (!stop) | |
| 150 { | |
| 151 bool paint = false; | |
| 152 SDL_Event event; | |
| 153 while (SDL_PollEvent(&event)) | |
| 154 { | |
| 155 if (event.type == SDL_QUIT) | |
| 156 { | |
| 157 stop = true; | |
| 158 break; | |
| 159 } | |
| 160 else if (viewport->IsRefreshEvent(event)) | |
| 161 { | |
| 162 paint = true; | |
| 163 } | |
| 164 else if (event.type == SDL_WINDOWEVENT && | |
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165 (event.window.event == SDL_WINDOWEVENT_RESIZED || |
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166 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) |
| 1368 | 167 { |
| 168 viewport->UpdateSize(event.window.data1, event.window.data2); | |
| 169 } | |
| 170 else if (event.type == SDL_WINDOWEVENT && | |
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171 (event.window.event == SDL_WINDOWEVENT_SHOWN || |
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172 event.window.event == SDL_WINDOWEVENT_EXPOSED)) |
| 1368 | 173 { |
| 174 paint = true; | |
| 175 } | |
| 176 else if (event.type == SDL_KEYDOWN && | |
| 177 event.key.repeat == 0 /* Ignore key bounce */) | |
| 178 { | |
| 179 switch (event.key.keysym.sym) | |
| 180 { | |
| 181 case SDLK_f: | |
| 182 viewport->ToggleMaximize(); | |
| 183 break; | |
| 184 | |
| 185 case SDLK_s: | |
| 186 application->FitContent(); | |
| 187 break; | |
| 188 | |
| 189 case SDLK_q: | |
| 190 stop = true; | |
| 191 break; | |
| 192 | |
| 193 default: | |
| 194 break; | |
| 195 } | |
| 196 } | |
| 197 else if (event.type == SDL_MOUSEBUTTONDOWN || | |
| 198 event.type == SDL_MOUSEMOTION || | |
| 199 event.type == SDL_MOUSEBUTTONUP) | |
| 200 { | |
| 201 std::auto_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); | |
| 202 if (lock->HasCompositor()) | |
| 203 { | |
| 204 OrthancStone::PointerEvent p; | |
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205 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), |
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206 event, keyboardState, scancodeCount); |
| 1368 | 207 |
| 208 switch (event.type) | |
| 209 { | |
| 210 case SDL_MOUSEBUTTONDOWN: | |
| 211 lock->GetController().HandleMousePress(interactor, p, | |
| 212 lock->GetCompositor().GetCanvasWidth(), | |
| 213 lock->GetCompositor().GetCanvasHeight()); | |
| 214 lock->Invalidate(); | |
| 215 break; | |
| 216 | |
| 217 case SDL_MOUSEMOTION: | |
| 218 if (lock->GetController().HandleMouseMove(p)) | |
| 219 { | |
| 220 lock->Invalidate(); | |
| 221 } | |
| 222 break; | |
| 223 | |
| 224 case SDL_MOUSEBUTTONUP: | |
| 225 lock->GetController().HandleMouseRelease(p); | |
| 226 lock->Invalidate(); | |
| 227 break; | |
| 228 | |
| 229 default: | |
| 230 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 231 } | |
| 232 } | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 if (paint) | |
| 237 { | |
| 238 viewport->Paint(); | |
| 239 } | |
| 240 | |
| 241 // Small delay to avoid using 100% of CPU | |
| 242 SDL_Delay(1); | |
| 243 } | |
| 244 } | |
| 245 context.StopOracle(); | |
| 246 } | |
| 247 } | |
| 248 | |
| 249 OrthancStone::StoneFinalize(); | |
| 250 return 0; | |
| 251 } | |
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252 catch (Orthanc::OrthancException& e) |
| 1368 | 253 { |
| 254 LOG(ERROR) << "OrthancException: " << e.What(); | |
| 255 return -1; | |
| 256 } | |
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257 catch (OrthancStone::StoneException& e) |
| 1368 | 258 { |
| 259 LOG(ERROR) << "StoneException: " << e.What(); | |
| 260 return -1; | |
| 261 } | |
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262 catch (std::runtime_error& e) |
| 1368 | 263 { |
| 264 LOG(ERROR) << "Runtime error: " << e.what(); | |
| 265 return -1; | |
| 266 } | |
| 267 catch (...) | |
| 268 { | |
| 269 LOG(ERROR) << "Native exception"; | |
| 270 return -1; | |
| 271 } | |
| 272 } |