Mercurial > hg > orthanc-stone
annotate Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1383:ab871499ed30
SingleFrameViewer: refactored file locations + names to share files for RtViewer
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Mon, 27 Apr 2020 10:01:03 +0200 |
parents | Samples/Sdl/SimpleViewer/SdlSimpleViewer.cpp@9d138883be66 |
children | 4ebf246f3919 |
rev | line source |
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1368 | 1 |
2 #include "SdlSimpleViewerApplication.h" | |
3 | |
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4 #include <string> |
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5 |
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6 #include <boost/program_options.hpp> |
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7 |
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8 #include <SDL.h> |
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9 |
1368 | 10 #include <Core/OrthancException.h> |
11 | |
12 #include <Framework/Loaders/GenericLoadersContext.h> | |
13 #include <Framework/StoneException.h> | |
14 #include <Framework/StoneEnumerations.h> | |
15 #include <Framework/StoneInitialization.h> | |
16 #include <Framework/Viewport/SdlViewport.h> | |
17 | |
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18 #include "../SdlHelpers.h" |
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19 #include "../../Common/SampleHelpers.h" |
1368 | 20 |
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21 std::string orthancUrl; |
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22 std::string instanceId; |
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23 int frameIndex = 0; |
1368 | 24 |
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25 static void ProcessOptions(int argc, char* argv[]) |
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26 { |
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27 namespace po = boost::program_options; |
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28 po::options_description desc("Usage:"); |
1368 | 29 |
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30 desc.add_options() |
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31 ("log_level", po::value<std::string>()->default_value("WARNING"), |
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32 "You can choose WARNING, INFO or TRACE for the logging level: Errors and warnings will always be displayed. (default: WARNING)") |
1368 | 33 |
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34 ("orthanc", po::value<std::string>()->default_value("http://localhost:8042"), |
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35 "Base URL of the Orthanc instance") |
1368 | 36 |
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37 ("instance", po::value<std::string>()->default_value("285dece8-e1956b38-cdc7d084-6ce3371e-536a9ffc"), |
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38 "Orthanc ID of the instance to display") |
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39 |
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40 ("frame_index", po::value<int>()->default_value(0), |
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41 "The zero-based index of the frame (for multi-frame instances)") |
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42 ; |
1368 | 43 |
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44 po::variables_map vm; |
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45 try |
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46 { |
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47 po::store(po::parse_command_line(argc, argv, desc), vm); |
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48 po::notify(vm); |
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49 } |
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50 catch (std::exception& e) |
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51 { |
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52 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; |
1368 | 53 } |
54 | |
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55 if (vm.count("log_level") > 0) |
1368 | 56 { |
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57 std::string logLevel = vm["log_level"].as<std::string>(); |
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58 OrthancStoneHelpers::SetLogLevel(logLevel); |
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59 } |
1368 | 60 |
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61 if (vm.count("orthanc") > 0) |
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62 { |
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63 // maybe check URL validity here |
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64 orthancUrl = vm["orthanc"].as<std::string>(); |
1368 | 65 } |
66 | |
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67 if (vm.count("instance") > 0) |
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68 { |
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69 instanceId = vm["instance"].as<std::string>(); |
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70 } |
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71 |
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72 if (vm.count("frame_index") > 0) |
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73 { |
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74 frameIndex = vm["frame_index"].as<int>(); |
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75 } |
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76 |
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77 } |
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78 |
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79 extern void f() |
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80 { |
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81 std::cout << "f()" << std::endl; |
1368 | 82 } |
83 | |
84 /** | |
85 * IMPORTANT: The full arguments to "main()" are needed for SDL on | |
86 * Windows. Otherwise, one gets the linking error "undefined reference | |
87 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows | |
88 **/ | |
89 int main(int argc, char* argv[]) | |
90 { | |
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91 f(); |
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92 |
1368 | 93 try |
94 { | |
95 OrthancStone::StoneInitialize(); | |
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96 |
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97 ProcessOptions(argc, argv); |
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98 |
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99 //Orthanc::Logging::EnableInfoLevel(true); |
1368 | 100 //Orthanc::Logging::EnableTraceLevel(true); |
101 | |
102 { | |
103 | |
104 #if 1 | |
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105 boost::shared_ptr<OrthancStone::SdlViewport> viewport = |
1368 | 106 OrthancStone::SdlOpenGLViewport::Create("Stone of Orthanc", 800, 600); |
107 #else | |
108 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
109 OrthancStone::SdlCairoViewport::Create("Stone of Orthanc", 800, 600); | |
110 #endif | |
111 | |
112 OrthancStone::GenericLoadersContext context(1, 4, 1); | |
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113 |
1368 | 114 context.StartOracle(); |
115 | |
116 { | |
117 | |
118 boost::shared_ptr<SdlSimpleViewerApplication> application( | |
119 SdlSimpleViewerApplication::Create(context, viewport)); | |
120 | |
121 OrthancStone::DicomSource source; | |
122 | |
123 application->LoadOrthancFrame(source, instanceId, frameIndex); | |
124 | |
125 OrthancStone::DefaultViewportInteractor interactor; | |
126 | |
127 { | |
128 int scancodeCount = 0; | |
129 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
130 | |
131 bool stop = false; | |
132 while (!stop) | |
133 { | |
134 bool paint = false; | |
135 SDL_Event event; | |
136 while (SDL_PollEvent(&event)) | |
137 { | |
138 if (event.type == SDL_QUIT) | |
139 { | |
140 stop = true; | |
141 break; | |
142 } | |
143 else if (viewport->IsRefreshEvent(event)) | |
144 { | |
145 paint = true; | |
146 } | |
147 else if (event.type == SDL_WINDOWEVENT && | |
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148 (event.window.event == SDL_WINDOWEVENT_RESIZED || |
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149 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) |
1368 | 150 { |
151 viewport->UpdateSize(event.window.data1, event.window.data2); | |
152 } | |
153 else if (event.type == SDL_WINDOWEVENT && | |
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154 (event.window.event == SDL_WINDOWEVENT_SHOWN || |
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155 event.window.event == SDL_WINDOWEVENT_EXPOSED)) |
1368 | 156 { |
157 paint = true; | |
158 } | |
159 else if (event.type == SDL_KEYDOWN && | |
160 event.key.repeat == 0 /* Ignore key bounce */) | |
161 { | |
162 switch (event.key.keysym.sym) | |
163 { | |
164 case SDLK_f: | |
165 viewport->ToggleMaximize(); | |
166 break; | |
167 | |
168 case SDLK_s: | |
169 application->FitContent(); | |
170 break; | |
171 | |
172 case SDLK_q: | |
173 stop = true; | |
174 break; | |
175 | |
176 default: | |
177 break; | |
178 } | |
179 } | |
180 else if (event.type == SDL_MOUSEBUTTONDOWN || | |
181 event.type == SDL_MOUSEMOTION || | |
182 event.type == SDL_MOUSEBUTTONUP) | |
183 { | |
184 std::auto_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); | |
185 if (lock->HasCompositor()) | |
186 { | |
187 OrthancStone::PointerEvent p; | |
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188 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), |
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189 event, keyboardState, scancodeCount); |
1368 | 190 |
191 switch (event.type) | |
192 { | |
193 case SDL_MOUSEBUTTONDOWN: | |
194 lock->GetController().HandleMousePress(interactor, p, | |
195 lock->GetCompositor().GetCanvasWidth(), | |
196 lock->GetCompositor().GetCanvasHeight()); | |
197 lock->Invalidate(); | |
198 break; | |
199 | |
200 case SDL_MOUSEMOTION: | |
201 if (lock->GetController().HandleMouseMove(p)) | |
202 { | |
203 lock->Invalidate(); | |
204 } | |
205 break; | |
206 | |
207 case SDL_MOUSEBUTTONUP: | |
208 lock->GetController().HandleMouseRelease(p); | |
209 lock->Invalidate(); | |
210 break; | |
211 | |
212 default: | |
213 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
214 } | |
215 } | |
216 } | |
217 } | |
218 | |
219 if (paint) | |
220 { | |
221 viewport->Paint(); | |
222 } | |
223 | |
224 // Small delay to avoid using 100% of CPU | |
225 SDL_Delay(1); | |
226 } | |
227 } | |
228 | |
229 context.StopOracle(); | |
230 } | |
231 } | |
232 | |
233 OrthancStone::StoneFinalize(); | |
234 return 0; | |
235 } | |
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236 catch (Orthanc::OrthancException& e) |
1368 | 237 { |
238 auto test = e.What(); | |
239 fprintf(stdout, test); | |
240 LOG(ERROR) << "OrthancException: " << e.What(); | |
241 return -1; | |
242 } | |
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243 catch (OrthancStone::StoneException& e) |
1368 | 244 { |
245 LOG(ERROR) << "StoneException: " << e.What(); | |
246 return -1; | |
247 } | |
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248 catch (std::runtime_error& e) |
1368 | 249 { |
250 LOG(ERROR) << "Runtime error: " << e.what(); | |
251 return -1; | |
252 } | |
253 catch (...) | |
254 { | |
255 LOG(ERROR) << "Native exception"; | |
256 return -1; | |
257 } | |
258 } |