Mercurial > hg > orthanc-stone
comparison Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1538:d1806b4e4839
moving OrthancStone/Samples/ as Applications/Samples/
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 11 Aug 2020 13:24:38 +0200 |
parents | OrthancStone/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp@301571299212 |
children | 6e0da8370270 |
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1537:de8cf5859e84 | 1538:d1806b4e4839 |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "SdlSimpleViewerApplication.h" | |
23 #include "../SdlHelpers.h" | |
24 #include "../../Common/SampleHelpers.h" | |
25 | |
26 #include "../../../Sources/Loaders/GenericLoadersContext.h" | |
27 #include "../../../Sources/StoneException.h" | |
28 #include "../../../Sources/StoneEnumerations.h" | |
29 #include "../../../Sources/StoneInitialization.h" | |
30 #include "../../../Sources/Viewport/SdlViewport.h" | |
31 | |
32 #include <Compatibility.h> // For std::unique_ptr<> | |
33 #include <OrthancException.h> | |
34 | |
35 #include <boost/program_options.hpp> | |
36 #include <SDL.h> | |
37 | |
38 #include <string> | |
39 | |
40 | |
41 std::string orthancUrl; | |
42 std::string instanceId; | |
43 int frameIndex = 0; | |
44 | |
45 | |
46 static void ProcessOptions(int argc, char* argv[]) | |
47 { | |
48 namespace po = boost::program_options; | |
49 po::options_description desc("Usage"); | |
50 | |
51 desc.add_options() | |
52 ("loglevel", po::value<std::string>()->default_value("WARNING"), | |
53 "You can choose WARNING, INFO or TRACE for the logging level: Errors and warnings will always be displayed. (default: WARNING)") | |
54 | |
55 ("orthanc", po::value<std::string>()->default_value("http://localhost:8042"), | |
56 "Base URL of the Orthanc instance") | |
57 | |
58 ("instance", po::value<std::string>()->default_value("285dece8-e1956b38-cdc7d084-6ce3371e-536a9ffc"), | |
59 "Orthanc ID of the instance to display") | |
60 | |
61 ("frame_index", po::value<int>()->default_value(0), | |
62 "The zero-based index of the frame (for multi-frame instances)") | |
63 ; | |
64 | |
65 std::cout << desc << std::endl; | |
66 | |
67 po::variables_map vm; | |
68 try | |
69 { | |
70 po::store(po::parse_command_line(argc, argv, desc), vm); | |
71 po::notify(vm); | |
72 } | |
73 catch (std::exception& e) | |
74 { | |
75 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; | |
76 } | |
77 | |
78 if (vm.count("loglevel") > 0) | |
79 { | |
80 std::string logLevel = vm["loglevel"].as<std::string>(); | |
81 OrthancStoneHelpers::SetLogLevel(logLevel); | |
82 } | |
83 | |
84 if (vm.count("orthanc") > 0) | |
85 { | |
86 // maybe check URL validity here | |
87 orthancUrl = vm["orthanc"].as<std::string>(); | |
88 } | |
89 | |
90 if (vm.count("instance") > 0) | |
91 { | |
92 instanceId = vm["instance"].as<std::string>(); | |
93 } | |
94 | |
95 if (vm.count("frame_index") > 0) | |
96 { | |
97 frameIndex = vm["frame_index"].as<int>(); | |
98 } | |
99 | |
100 } | |
101 | |
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(); | |
112 | |
113 ProcessOptions(argc, argv); | |
114 | |
115 //Orthanc::Logging::EnableInfoLevel(true); | |
116 //Orthanc::Logging::EnableTraceLevel(true); | |
117 | |
118 { | |
119 | |
120 #if 1 | |
121 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
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); | |
129 | |
130 Orthanc::WebServiceParameters orthancWebService; | |
131 orthancWebService.SetUrl(orthancUrl); | |
132 context.SetOrthancParameters(orthancWebService); | |
133 | |
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; | |
146 interactor.SetWindowingLayer(0); | |
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 && | |
169 (event.window.event == SDL_WINDOWEVENT_RESIZED || | |
170 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) | |
171 { | |
172 viewport->UpdateSize(event.window.data1, event.window.data2); | |
173 } | |
174 else if (event.type == SDL_WINDOWEVENT && | |
175 (event.window.event == SDL_WINDOWEVENT_SHOWN || | |
176 event.window.event == SDL_WINDOWEVENT_EXPOSED)) | |
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 { | |
205 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); | |
206 if (lock->HasCompositor()) | |
207 { | |
208 OrthancStone::PointerEvent p; | |
209 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), | |
210 event, keyboardState, scancodeCount); | |
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 } | |
256 catch (Orthanc::OrthancException& e) | |
257 { | |
258 LOG(ERROR) << "OrthancException: " << e.What(); | |
259 return -1; | |
260 } | |
261 catch (OrthancStone::StoneException& e) | |
262 { | |
263 LOG(ERROR) << "StoneException: " << e.What(); | |
264 return -1; | |
265 } | |
266 catch (std::runtime_error& e) | |
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 } |