Mercurial > hg > orthanc-stone
annotate Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1789:462d7a0e064e
added line measures to sdl single frame viewer sample
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 17 May 2021 11:55:21 +0200 |
parents | 9ac2a65d4172 |
children | b325761e0bd3 |
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) 2017-2021 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 |
1542 | 26 #include "../../../../OrthancStone/Sources/Loaders/GenericLoadersContext.h" |
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27 #include "../../../../OrthancStone/Sources/Scene2DViewport/LineMeasureTool.h" |
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28 #include "../../../../OrthancStone/Sources/Scene2DViewport/UndoStack.h" |
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29 #include "../../../../OrthancStone/Sources/StoneEnumerations.h" |
1542 | 30 #include "../../../../OrthancStone/Sources/StoneException.h" |
31 #include "../../../../OrthancStone/Sources/StoneInitialization.h" | |
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32 #include "../../../../OrthancStone/Sources/Viewport/DefaultViewportInteractor.h" |
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33 #include "../../../Platforms/Sdl/SdlViewport.h" |
1368 | 34 |
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35 #include <EmbeddedResources.h> |
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36 #include <Compatibility.h> // For std::unique_ptr<> |
1457 | 37 #include <OrthancException.h> |
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38 |
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39 #include <boost/program_options.hpp> |
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40 #include <SDL.h> |
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41 |
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42 #include <string> |
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43 |
1368 | 44 |
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45 std::string orthancUrl; |
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46 std::string instanceId; |
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47 int frameIndex = 0; |
1368 | 48 |
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49 |
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50 static void ProcessOptions(int argc, char* argv[]) |
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51 { |
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52 namespace po = boost::program_options; |
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53 po::options_description desc("Usage"); |
1368 | 54 |
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55 desc.add_options() |
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56 ("loglevel", po::value<std::string>()->default_value("WARNING"), |
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57 "You can choose WARNING, INFO or TRACE for the logging level: Errors and warnings will always be displayed. (default: WARNING)") |
1368 | 58 |
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59 ("orthanc", po::value<std::string>()->default_value("http://localhost:8042"), |
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60 "Base URL of the Orthanc instance") |
1368 | 61 |
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62 ("instance", po::value<std::string>()->default_value("285dece8-e1956b38-cdc7d084-6ce3371e-536a9ffc"), |
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63 "Orthanc ID of the instance to display") |
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64 |
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65 ("frame_index", po::value<int>()->default_value(0), |
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66 "The zero-based index of the frame (for multi-frame instances)") |
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67 ; |
1368 | 68 |
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69 std::cout << desc << std::endl; |
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70 |
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71 std::cout << std::endl << "Keyboard shorcuts:" << std::endl |
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72 << " f\tToggle fullscreen display" << std::endl |
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73 << " l\tEnable/disable the line measure tool" << std::endl |
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74 << " q\tExit" << std::endl |
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75 << " s\tFit the viewpoint to the image" << std::endl |
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76 << std::endl << "Mouse buttons:" << std::endl |
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77 << " left \tChange windowing, or edit measure" << std::endl |
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78 << " center\tMove the viewpoint, or move measure" << std::endl |
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79 << " right \tZoom, or move measure" << std::endl |
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80 << std::endl; |
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81 |
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82 po::variables_map vm; |
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83 try |
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84 { |
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85 po::store(po::parse_command_line(argc, argv, desc), vm); |
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86 po::notify(vm); |
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87 } |
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88 catch (std::exception& e) |
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89 { |
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90 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl; |
1368 | 91 } |
92 | |
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93 if (vm.count("loglevel") > 0) |
1368 | 94 { |
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95 std::string logLevel = vm["loglevel"].as<std::string>(); |
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96 OrthancStoneHelpers::SetLogLevel(logLevel); |
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97 } |
1368 | 98 |
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99 if (vm.count("orthanc") > 0) |
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100 { |
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101 // maybe check URL validity here |
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102 orthancUrl = vm["orthanc"].as<std::string>(); |
1368 | 103 } |
104 | |
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105 if (vm.count("instance") > 0) |
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106 { |
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107 instanceId = vm["instance"].as<std::string>(); |
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108 } |
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109 |
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110 if (vm.count("frame_index") > 0) |
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111 { |
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112 frameIndex = vm["frame_index"].as<int>(); |
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113 } |
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114 |
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115 } |
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116 |
1368 | 117 /** |
118 * IMPORTANT: The full arguments to "main()" are needed for SDL on | |
119 * Windows. Otherwise, one gets the linking error "undefined reference | |
120 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows | |
121 **/ | |
122 int main(int argc, char* argv[]) | |
123 { | |
124 try | |
125 { | |
126 OrthancStone::StoneInitialize(); | |
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127 OrthancStone::SdlWindow::GlobalInitialize(); |
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128 |
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129 ProcessOptions(argc, argv); |
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130 |
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131 //Orthanc::Logging::EnableInfoLevel(true); |
1368 | 132 //Orthanc::Logging::EnableTraceLevel(true); |
133 | |
134 { | |
135 | |
136 #if 1 | |
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137 boost::shared_ptr<OrthancStone::SdlViewport> viewport = |
1368 | 138 OrthancStone::SdlOpenGLViewport::Create("Stone of Orthanc", 800, 600); |
139 #else | |
140 boost::shared_ptr<OrthancStone::SdlViewport> viewport = | |
141 OrthancStone::SdlCairoViewport::Create("Stone of Orthanc", 800, 600); | |
142 #endif | |
143 | |
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144 boost::shared_ptr<OrthancStone::UndoStack> undoStack(new OrthancStone::UndoStack); |
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145 |
1368 | 146 OrthancStone::GenericLoadersContext context(1, 4, 1); |
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147 |
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148 Orthanc::WebServiceParameters orthancWebService; |
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149 orthancWebService.SetUrl(orthancUrl); |
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150 context.SetOrthancParameters(orthancWebService); |
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151 |
1368 | 152 context.StartOracle(); |
153 | |
154 { | |
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155 { |
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156 std::string font; |
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157 Orthanc::EmbeddedResources::GetFileResource(font, Orthanc::EmbeddedResources::UBUNTU_FONT); |
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158 |
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159 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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160 lock->GetCompositor().SetFont(0, font, 16, Orthanc::Encoding_Latin1); |
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161 lock->GetController().SetUndoStack(undoStack); |
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162 } |
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163 |
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164 boost::shared_ptr<OrthancStone::LineMeasureTool> lineMeasureTool(OrthancStone::LineMeasureTool::Create(viewport)); |
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165 bool lineMeasureFirst = true; |
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166 bool lineMeasureEnabled = false; |
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167 lineMeasureTool->Disable(); |
1368 | 168 |
169 boost::shared_ptr<SdlSimpleViewerApplication> application( | |
170 SdlSimpleViewerApplication::Create(context, viewport)); | |
171 | |
172 OrthancStone::DicomSource source; | |
173 | |
174 application->LoadOrthancFrame(source, instanceId, frameIndex); | |
175 | |
176 OrthancStone::DefaultViewportInteractor interactor; | |
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177 interactor.SetWindowingLayer(0); |
1368 | 178 |
179 { | |
180 int scancodeCount = 0; | |
181 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
182 | |
183 bool stop = false; | |
184 while (!stop) | |
185 { | |
186 bool paint = false; | |
187 SDL_Event event; | |
188 while (SDL_PollEvent(&event)) | |
189 { | |
190 if (event.type == SDL_QUIT) | |
191 { | |
192 stop = true; | |
193 break; | |
194 } | |
195 else if (viewport->IsRefreshEvent(event)) | |
196 { | |
197 paint = true; | |
198 } | |
199 else if (event.type == SDL_WINDOWEVENT && | |
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200 (event.window.event == SDL_WINDOWEVENT_RESIZED || |
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201 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) |
1368 | 202 { |
203 viewport->UpdateSize(event.window.data1, event.window.data2); | |
204 } | |
205 else if (event.type == SDL_WINDOWEVENT && | |
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206 (event.window.event == SDL_WINDOWEVENT_SHOWN || |
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207 event.window.event == SDL_WINDOWEVENT_EXPOSED)) |
1368 | 208 { |
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209 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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210 lock->RefreshCanvasSize(); |
1368 | 211 } |
212 else if (event.type == SDL_KEYDOWN && | |
213 event.key.repeat == 0 /* Ignore key bounce */) | |
214 { | |
215 switch (event.key.keysym.sym) | |
216 { | |
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217 case SDLK_f: |
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218 viewport->ToggleMaximize(); |
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219 break; |
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220 |
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221 case SDLK_s: |
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222 application->FitContent(); |
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223 break; |
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224 |
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225 case SDLK_q: |
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226 stop = true; |
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227 break; |
1368 | 228 |
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229 case SDLK_l: |
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230 if (lineMeasureEnabled) |
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231 { |
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232 lineMeasureTool->Disable(); |
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233 lineMeasureEnabled = false; |
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234 } |
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235 else |
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236 { |
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237 if (lineMeasureFirst) |
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238 { |
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239 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
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240 OrthancStone::Extent2D extent; |
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241 lock->GetController().GetScene().GetBoundingBox(extent); |
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242 if (!extent.IsEmpty()) |
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243 { |
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244 OrthancStone::ScenePoint2D p(extent.GetCenterX(), extent.GetCenterY()); |
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245 lineMeasureTool->Set(p, p); |
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246 } |
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247 lineMeasureFirst = false; |
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248 } |
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249 |
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250 lineMeasureTool->Enable(); |
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251 lineMeasureEnabled = true; |
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252 } |
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253 break; |
1368 | 254 |
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255 default: |
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256 break; |
1368 | 257 } |
258 } | |
259 else if (event.type == SDL_MOUSEBUTTONDOWN || | |
260 event.type == SDL_MOUSEMOTION || | |
261 event.type == SDL_MOUSEBUTTONUP) | |
262 { | |
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263 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock()); |
1368 | 264 if (lock->HasCompositor()) |
265 { | |
266 OrthancStone::PointerEvent p; | |
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267 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(), |
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268 event, keyboardState, scancodeCount); |
1368 | 269 |
270 switch (event.type) | |
271 { | |
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272 case SDL_MOUSEBUTTONDOWN: |
1368 | 273 { |
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274 boost::shared_ptr<OrthancStone::IFlexiblePointerTracker> t; |
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275 if (lineMeasureEnabled) |
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276 { |
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277 t = lineMeasureTool->CreateEditionTracker(p); |
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278 } |
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279 |
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280 if (t.get() != NULL) |
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281 { |
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282 lock->GetController().AcquireActiveTracker(t); |
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283 } |
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284 else |
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285 { |
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286 lock->GetController().HandleMousePress(interactor, p, |
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287 lock->GetCompositor().GetCanvasWidth(), |
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288 lock->GetCompositor().GetCanvasHeight()); |
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289 } |
1368 | 290 lock->Invalidate(); |
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291 break; |
1368 | 292 } |
293 | |
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294 case SDL_MOUSEMOTION: |
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295 if (lock->GetController().HandleMouseMove(p)) |
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296 { |
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297 lock->Invalidate(); |
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298 } |
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299 break; |
1368 | 300 |
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301 case SDL_MOUSEBUTTONUP: |
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302 lock->GetController().HandleMouseRelease(p); |
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303 lock->Invalidate(); |
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304 break; |
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305 |
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306 default: |
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307 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
1368 | 308 } |
309 } | |
310 } | |
311 } | |
312 | |
313 if (paint) | |
314 { | |
315 viewport->Paint(); | |
316 } | |
317 | |
318 // Small delay to avoid using 100% of CPU | |
319 SDL_Delay(1); | |
320 } | |
321 } | |
322 context.StopOracle(); | |
323 } | |
324 } | |
325 | |
1591
5887a4f8594b
moving platform-specific files out of the "OrthancStone" folder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1576
diff
changeset
|
326 OrthancStone::SdlWindow::GlobalFinalize(); |
1368 | 327 OrthancStone::StoneFinalize(); |
328 return 0; | |
329 } | |
1382
9d138883be66
Proper command-line parameter management for SDL sample
Benjamin Golinvaux <bgo@osimis.io>
parents:
1368
diff
changeset
|
330 catch (Orthanc::OrthancException& e) |
1368 | 331 { |
332 LOG(ERROR) << "OrthancException: " << e.What(); | |
333 return -1; | |
334 } | |
1382
9d138883be66
Proper command-line parameter management for SDL sample
Benjamin Golinvaux <bgo@osimis.io>
parents:
1368
diff
changeset
|
335 catch (OrthancStone::StoneException& e) |
1368 | 336 { |
337 LOG(ERROR) << "StoneException: " << e.What(); | |
338 return -1; | |
339 } | |
1382
9d138883be66
Proper command-line parameter management for SDL sample
Benjamin Golinvaux <bgo@osimis.io>
parents:
1368
diff
changeset
|
340 catch (std::runtime_error& e) |
1368 | 341 { |
342 LOG(ERROR) << "Runtime error: " << e.what(); | |
343 return -1; | |
344 } | |
345 catch (...) | |
346 { | |
347 LOG(ERROR) << "Native exception"; | |
348 return -1; | |
349 } | |
350 } |