Mercurial > hg > orthanc-stone
annotate OrthancStone/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1527:4c4b267e4004
RtViewerPlugin : similar to the StoneWebPlugin, but for the sole RtViewer sample
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Sun, 02 Aug 2020 15:13:58 +0200 |
parents | 244ad1e4e76a |
children | c7a37c3a0b8e |
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 po::variables_map vm; |
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66 try |
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67 { |
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68 po::store(po::parse_command_line(argc, argv, desc), vm); |
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69 po::notify(vm); |
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70 } |
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71 catch (std::exception& e) |
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72 { |
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73 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; |
1368 | 74 } |
75 | |
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76 if (vm.count("loglevel") > 0) |
1368 | 77 { |
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78 std::string logLevel = vm["loglevel"].as<std::string>(); |
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79 OrthancStoneHelpers::SetLogLevel(logLevel); |
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80 } |
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82 if (vm.count("orthanc") > 0) |
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83 { |
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84 // maybe check URL validity here |
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85 orthancUrl = vm["orthanc"].as<std::string>(); |
1368 | 86 } |
87 | |
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88 if (vm.count("instance") > 0) |
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89 { |
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90 instanceId = vm["instance"].as<std::string>(); |
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91 } |
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92 |
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93 if (vm.count("frame_index") > 0) |
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94 { |
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95 frameIndex = vm["frame_index"].as<int>(); |
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96 } |
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97 |
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98 } |
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99 |
1368 | 100 /** |
101 * IMPORTANT: The full arguments to "main()" are needed for SDL on | |
102 * Windows. Otherwise, one gets the linking error "undefined reference | |
103 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows | |
104 **/ | |
105 int main(int argc, char* argv[]) | |
106 { | |
107 try | |
108 { | |
109 OrthancStone::StoneInitialize(); | |
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110 |
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111 ProcessOptions(argc, argv); |
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112 |
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113 //Orthanc::Logging::EnableInfoLevel(true); |
1368 | 114 //Orthanc::Logging::EnableTraceLevel(true); |
115 | |
116 { | |
117 | |
118 #if 1 | |
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119 boost::shared_ptr<OrthancStone::SdlViewport> viewport = |
1368 | 120 OrthancStone::SdlOpenGLViewport::Create("Stone of Orthanc", 800, 600); |
121 #else | |
122 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
123 OrthancStone::SdlCairoViewport::Create("Stone of Orthanc", 800, 600); | |
124 #endif | |
125 | |
126 OrthancStone::GenericLoadersContext context(1, 4, 1); | |
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127 |
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128 Orthanc::WebServiceParameters orthancWebService; |
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129 orthancWebService.SetUrl(orthancUrl); |
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130 context.SetOrthancParameters(orthancWebService); |
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131 |
1368 | 132 context.StartOracle(); |
133 | |
134 { | |
135 | |
136 boost::shared_ptr<SdlSimpleViewerApplication> application( | |
137 SdlSimpleViewerApplication::Create(context, viewport)); | |
138 | |
139 OrthancStone::DicomSource source; | |
140 | |
141 application->LoadOrthancFrame(source, instanceId, frameIndex); | |
142 | |
143 OrthancStone::DefaultViewportInteractor interactor; | |
144 | |
145 { | |
146 int scancodeCount = 0; | |
147 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
148 | |
149 bool stop = false; | |
150 while (!stop) | |
151 { | |
152 bool paint = false; | |
153 SDL_Event event; | |
154 while (SDL_PollEvent(&event)) | |
155 { | |
156 if (event.type == SDL_QUIT) | |
157 { | |
158 stop = true; | |
159 break; | |
160 } | |
161 else if (viewport->IsRefreshEvent(event)) | |
162 { | |
163 paint = true; | |
164 } | |
165 else if (event.type == SDL_WINDOWEVENT && | |
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166 (event.window.event == SDL_WINDOWEVENT_RESIZED || |
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167 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) |
1368 | 168 { |
169 viewport->UpdateSize(event.window.data1, event.window.data2); | |
170 } | |
171 else if (event.type == SDL_WINDOWEVENT && | |
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172 (event.window.event == SDL_WINDOWEVENT_SHOWN || |
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173 event.window.event == SDL_WINDOWEVENT_EXPOSED)) |
1368 | 174 { |
175 paint = true; | |
176 } | |
177 else if (event.type == SDL_KEYDOWN && | |
178 event.key.repeat == 0 /* Ignore key bounce */) | |
179 { | |
180 switch (event.key.keysym.sym) | |
181 { | |
182 case SDLK_f: | |
183 viewport->ToggleMaximize(); | |
184 break; | |
185 | |
186 case SDLK_s: | |
187 application->FitContent(); | |
188 break; | |
189 | |
190 case SDLK_q: | |
191 stop = true; | |
192 break; | |
193 | |
194 default: | |
195 break; | |
196 } | |
197 } | |
198 else if (event.type == SDL_MOUSEBUTTONDOWN || | |
199 event.type == SDL_MOUSEMOTION || | |
200 event.type == SDL_MOUSEBUTTONUP) | |
201 { | |
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202 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
1368 | 203 if (lock->HasCompositor()) |
204 { | |
205 OrthancStone::PointerEvent p; | |
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206 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), |
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207 event, keyboardState, scancodeCount); |
1368 | 208 |
209 switch (event.type) | |
210 { | |
211 case SDL_MOUSEBUTTONDOWN: | |
212 lock->GetController().HandleMousePress(interactor, p, | |
213 lock->GetCompositor().GetCanvasWidth(), | |
214 lock->GetCompositor().GetCanvasHeight()); | |
215 lock->Invalidate(); | |
216 break; | |
217 | |
218 case SDL_MOUSEMOTION: | |
219 if (lock->GetController().HandleMouseMove(p)) | |
220 { | |
221 lock->Invalidate(); | |
222 } | |
223 break; | |
224 | |
225 case SDL_MOUSEBUTTONUP: | |
226 lock->GetController().HandleMouseRelease(p); | |
227 lock->Invalidate(); | |
228 break; | |
229 | |
230 default: | |
231 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
232 } | |
233 } | |
234 } | |
235 } | |
236 | |
237 if (paint) | |
238 { | |
239 viewport->Paint(); | |
240 } | |
241 | |
242 // Small delay to avoid using 100% of CPU | |
243 SDL_Delay(1); | |
244 } | |
245 } | |
246 context.StopOracle(); | |
247 } | |
248 } | |
249 | |
250 OrthancStone::StoneFinalize(); | |
251 return 0; | |
252 } | |
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253 catch (Orthanc::OrthancException& e) |
1368 | 254 { |
255 LOG(ERROR) << "OrthancException: " << e.What(); | |
256 return -1; | |
257 } | |
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258 catch (OrthancStone::StoneException& e) |
1368 | 259 { |
260 LOG(ERROR) << "StoneException: " << e.What(); | |
261 return -1; | |
262 } | |
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263 catch (std::runtime_error& e) |
1368 | 264 { |
265 LOG(ERROR) << "Runtime error: " << e.what(); | |
266 return -1; | |
267 } | |
268 catch (...) | |
269 { | |
270 LOG(ERROR) << "Native exception"; | |
271 return -1; | |
272 } | |
273 } |