Mercurial > hg > orthanc-stone
comparison OrthancStone/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp@169adf9090a6 |
children | c7a37c3a0b8e |
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1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
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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 po::variables_map vm; | |
66 try | |
67 { | |
68 po::store(po::parse_command_line(argc, argv, desc), vm); | |
69 po::notify(vm); | |
70 } | |
71 catch (std::exception& e) | |
72 { | |
73 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; | |
74 } | |
75 | |
76 if (vm.count("loglevel") > 0) | |
77 { | |
78 std::string logLevel = vm["loglevel"].as<std::string>(); | |
79 OrthancStoneHelpers::SetLogLevel(logLevel); | |
80 } | |
81 | |
82 if (vm.count("orthanc") > 0) | |
83 { | |
84 // maybe check URL validity here | |
85 orthancUrl = vm["orthanc"].as<std::string>(); | |
86 } | |
87 | |
88 if (vm.count("instance") > 0) | |
89 { | |
90 instanceId = vm["instance"].as<std::string>(); | |
91 } | |
92 | |
93 if (vm.count("frame_index") > 0) | |
94 { | |
95 frameIndex = vm["frame_index"].as<int>(); | |
96 } | |
97 | |
98 } | |
99 | |
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(); | |
110 | |
111 ProcessOptions(argc, argv); | |
112 | |
113 //Orthanc::Logging::EnableInfoLevel(true); | |
114 //Orthanc::Logging::EnableTraceLevel(true); | |
115 | |
116 { | |
117 | |
118 #if 1 | |
119 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
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); | |
127 | |
128 Orthanc::WebServiceParameters orthancWebService; | |
129 orthancWebService.SetUrl(orthancUrl); | |
130 context.SetOrthancParameters(orthancWebService); | |
131 | |
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 && | |
166 (event.window.event == SDL_WINDOWEVENT_RESIZED || | |
167 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) | |
168 { | |
169 viewport->UpdateSize(event.window.data1, event.window.data2); | |
170 } | |
171 else if (event.type == SDL_WINDOWEVENT && | |
172 (event.window.event == SDL_WINDOWEVENT_SHOWN || | |
173 event.window.event == SDL_WINDOWEVENT_EXPOSED)) | |
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 { | |
202 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); | |
203 if (lock->HasCompositor()) | |
204 { | |
205 OrthancStone::PointerEvent p; | |
206 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), | |
207 event, keyboardState, scancodeCount); | |
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 } | |
253 catch (Orthanc::OrthancException& e) | |
254 { | |
255 LOG(ERROR) << "OrthancException: " << e.What(); | |
256 return -1; | |
257 } | |
258 catch (OrthancStone::StoneException& e) | |
259 { | |
260 LOG(ERROR) << "StoneException: " << e.What(); | |
261 return -1; | |
262 } | |
263 catch (std::runtime_error& e) | |
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 } |