Mercurial > hg > orthanc-stone
annotate Samples/Qt/BasicScene.cpp @ 879:12b591d5d63c am-dev
some Qt integration (wip)
author | Alain Mazy <alain@mazy.be> |
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date | Fri, 05 Jul 2019 14:52:43 +0200 |
parents | 23701fbf228e |
children | 30268a0cafca |
rev | line source |
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849 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2019 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 #define GLEW_STATIC 1 | |
22 // From Stone | |
23 #include "../../Framework/OpenGL/OpenGLIncludes.h" | |
24 #include "../../Applications/Sdl/SdlOpenGLWindow.h" | |
25 #include "../../Framework/Scene2D/CairoCompositor.h" | |
26 #include "../../Framework/Scene2D/ColorTextureSceneLayer.h" | |
27 #include "../../Framework/Scene2D/OpenGLCompositor.h" | |
28 #include "../../Framework/Scene2D/PanSceneTracker.h" | |
29 #include "../../Framework/Scene2D/RotateSceneTracker.h" | |
30 #include "../../Framework/Scene2D/Scene2D.h" | |
31 #include "../../Framework/Scene2D/ZoomSceneTracker.h" | |
32 #include "../../Framework/Scene2DViewport/ViewportController.h" | |
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33 #include "../../Framework/Scene2DViewport/UndoStack.h" |
849 | 34 |
35 #include "../../Framework/StoneInitialization.h" | |
36 #include "../../Framework/Messages/MessageBroker.h" | |
37 | |
38 // From Orthanc framework | |
39 #include <Core/Logging.h> | |
40 #include <Core/OrthancException.h> | |
41 #include <Core/Images/Image.h> | |
42 #include <Core/Images/ImageProcessing.h> | |
43 #include <Core/Images/PngWriter.h> | |
44 | |
45 #include <boost/make_shared.hpp> | |
46 #include <boost/ref.hpp> | |
47 #include "EmbeddedResources.h" | |
48 | |
49 //#include <SDL.h> | |
50 #include <stdio.h> | |
51 #include <QDebug> | |
52 #include <QWindow> | |
53 | |
54 static const unsigned int FONT_SIZE = 32; | |
55 static const int LAYER_POSITION = 150; | |
56 | |
57 using namespace OrthancStone; | |
58 | |
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59 void PrepareScene(boost::shared_ptr<OrthancStone::ViewportController> controller) |
849 | 60 { |
61 Scene2D& scene(*controller->GetScene()); | |
62 // Texture of 2x2 size | |
63 { | |
64 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 2, 2, false); | |
65 | |
66 uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
67 p[0] = 255; | |
68 p[1] = 0; | |
69 p[2] = 0; | |
70 | |
71 p[3] = 0; | |
72 p[4] = 255; | |
73 p[5] = 0; | |
74 | |
75 p = reinterpret_cast<uint8_t*>(i.GetRow(1)); | |
76 p[0] = 0; | |
77 p[1] = 0; | |
78 p[2] = 255; | |
79 | |
80 p[3] = 255; | |
81 p[4] = 0; | |
82 p[5] = 0; | |
83 | |
84 scene.SetLayer(12, new ColorTextureSceneLayer(i)); | |
85 | |
86 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
87 l->SetOrigin(-3, 2); | |
88 l->SetPixelSpacing(1.5, 1); | |
89 l->SetAngle(20.0 / 180.0 * 3.14); | |
90 scene.SetLayer(14, l.release()); | |
91 } | |
92 | |
93 // Texture of 1x1 size | |
94 { | |
95 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 1, 1, false); | |
96 | |
97 uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
98 p[0] = 255; | |
99 p[1] = 0; | |
100 p[2] = 0; | |
101 | |
102 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
103 l->SetOrigin(-2, 1); | |
104 l->SetAngle(20.0 / 180.0 * 3.14); | |
105 scene.SetLayer(13, l.release()); | |
106 } | |
107 | |
108 // Some lines | |
109 { | |
110 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer); | |
111 | |
112 layer->SetThickness(1); | |
113 | |
114 PolylineSceneLayer::Chain chain; | |
115 chain.push_back(ScenePoint2D(0 - 0.5, 0 - 0.5)); | |
116 chain.push_back(ScenePoint2D(0 - 0.5, 2 - 0.5)); | |
117 chain.push_back(ScenePoint2D(2 - 0.5, 2 - 0.5)); | |
118 chain.push_back(ScenePoint2D(2 - 0.5, 0 - 0.5)); | |
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119 layer->AddChain(chain, true, 255, 0, 0); |
849 | 120 |
121 chain.clear(); | |
122 chain.push_back(ScenePoint2D(-5, -5)); | |
123 chain.push_back(ScenePoint2D(5, -5)); | |
124 chain.push_back(ScenePoint2D(5, 5)); | |
125 chain.push_back(ScenePoint2D(-5, 5)); | |
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126 layer->AddChain(chain, true, 0, 255, 0); |
849 | 127 |
128 double dy = 1.01; | |
129 chain.clear(); | |
130 chain.push_back(ScenePoint2D(-4, -4)); | |
131 chain.push_back(ScenePoint2D(4, -4 + dy)); | |
132 chain.push_back(ScenePoint2D(-4, -4 + 2.0 * dy)); | |
133 chain.push_back(ScenePoint2D(4, 2)); | |
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134 layer->AddChain(chain, false, 0, 0, 255); |
849 | 135 |
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136 // layer->SetColor(0,255, 255); |
849 | 137 scene.SetLayer(50, layer.release()); |
138 } | |
139 | |
140 // Some text | |
141 { | |
142 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
143 layer->SetText("Hello"); | |
144 scene.SetLayer(100, layer.release()); | |
145 } | |
146 } | |
147 | |
148 | |
149 //void TakeScreenshot(const std::string& target, | |
150 // const Scene2D& scene, | |
151 // unsigned int canvasWidth, | |
152 // unsigned int canvasHeight) | |
153 //{ | |
154 // // Take a screenshot, then save it as PNG file | |
155 // CairoCompositor compositor(scene, canvasWidth, canvasHeight); | |
156 // compositor.SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, FONT_SIZE, Orthanc::Encoding_Latin1); | |
157 // compositor.Refresh(); | |
158 | |
159 // Orthanc::ImageAccessor canvas; | |
160 // compositor.GetCanvas().GetReadOnlyAccessor(canvas); | |
161 | |
162 // Orthanc::Image png(Orthanc::PixelFormat_RGB24, canvas.GetWidth(), canvas.GetHeight(), false); | |
163 // Orthanc::ImageProcessing::Convert(png, canvas); | |
164 | |
165 // Orthanc::PngWriter writer; | |
166 // writer.WriteToFile(target, png); | |
167 //} | |
168 | |
169 | |
170 //void HandleApplicationEvent(ViewportControllerPtr controller, | |
171 // const OpenGLCompositor& compositor, | |
172 // const SDL_Event& event, | |
173 // FlexiblePointerTrackerPtr& activeTracker) | |
174 //{ | |
175 // Scene2D& scene(*controller->GetScene()); | |
176 // if (event.type == SDL_MOUSEMOTION) | |
177 // { | |
178 // int scancodeCount = 0; | |
179 // const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
180 | |
181 // if (activeTracker.get() == NULL && | |
182 // SDL_SCANCODE_LCTRL < scancodeCount && | |
183 // keyboardState[SDL_SCANCODE_LCTRL]) | |
184 // { | |
185 // // The "left-ctrl" key is down, while no tracker is present | |
186 | |
187 // PointerEvent e; | |
188 // e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
189 | |
190 // ScenePoint2D p = e.GetMainPosition().Apply(scene.GetCanvasToSceneTransform()); | |
191 | |
192 // char buf[64]; | |
193 // sprintf(buf, "(%0.02f,%0.02f)", p.GetX(), p.GetY()); | |
194 | |
195 // if (scene.HasLayer(LAYER_POSITION)) | |
196 // { | |
197 // TextSceneLayer& layer = | |
198 // dynamic_cast<TextSceneLayer&>(scene.GetLayer(LAYER_POSITION)); | |
199 // layer.SetText(buf); | |
200 // layer.SetPosition(p.GetX(), p.GetY()); | |
201 // } | |
202 // else | |
203 // { | |
204 // std::auto_ptr<TextSceneLayer> | |
205 // layer(new TextSceneLayer); | |
206 // layer->SetColor(0, 255, 0); | |
207 // layer->SetText(buf); | |
208 // layer->SetBorder(20); | |
209 // layer->SetAnchor(BitmapAnchor_BottomCenter); | |
210 // layer->SetPosition(p.GetX(), p.GetY()); | |
211 // scene.SetLayer(LAYER_POSITION, layer.release()); | |
212 // } | |
213 // } | |
214 // else | |
215 // { | |
216 // scene.DeleteLayer(LAYER_POSITION); | |
217 // } | |
218 // } | |
219 // else if (event.type == SDL_MOUSEBUTTONDOWN) | |
220 // { | |
221 // PointerEvent e; | |
222 // e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
223 | |
224 // switch (event.button.button) | |
225 // { | |
226 // case SDL_BUTTON_MIDDLE: | |
227 // activeTracker = boost::make_shared<PanSceneTracker>(controller, e); | |
228 // break; | |
229 | |
230 // case SDL_BUTTON_RIGHT: | |
231 // activeTracker = boost::make_shared<ZoomSceneTracker>(controller, | |
232 // e, compositor.GetCanvasHeight()); | |
233 // break; | |
234 | |
235 // case SDL_BUTTON_LEFT: | |
236 // activeTracker = boost::make_shared<RotateSceneTracker>(controller, e); | |
237 // break; | |
238 | |
239 // default: | |
240 // break; | |
241 // } | |
242 // } | |
243 // else if (event.type == SDL_KEYDOWN && | |
244 // event.key.repeat == 0 /* Ignore key bounce */) | |
245 // { | |
246 // switch (event.key.keysym.sym) | |
247 // { | |
248 // case SDLK_s: | |
249 // controller->FitContent(compositor.GetCanvasWidth(), | |
250 // compositor.GetCanvasHeight()); | |
251 // break; | |
252 | |
253 // case SDLK_c: | |
254 // TakeScreenshot("screenshot.png", scene, | |
255 // compositor.GetCanvasWidth(), | |
256 // compositor.GetCanvasHeight()); | |
257 // break; | |
258 | |
259 // default: | |
260 // break; | |
261 // } | |
262 // } | |
263 //} | |
264 | |
265 | |
266 static void GLAPIENTRY OpenGLMessageCallback(GLenum source, | |
267 GLenum type, | |
268 GLuint id, | |
269 GLenum severity, | |
270 GLsizei length, | |
271 const GLchar* message, | |
272 const void* userParam ) | |
273 { | |
274 if (severity != GL_DEBUG_SEVERITY_NOTIFICATION) | |
275 { | |
276 fprintf(stderr, "GL CALLBACK: %s type = 0x%x, severity = 0x%x, message = %s\n", | |
277 ( type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR **" : "" ), | |
278 type, severity, message ); | |
279 } | |
280 } | |
281 | |
282 | |
283 //void Run(ViewportControllerPtr controller) | |
284 //{ | |
285 // SdlOpenGLWindow window("Hello", 1024, 768); | |
286 | |
287 // controller->FitContent(window.GetCanvasWidth(), window.GetCanvasHeight()); | |
288 | |
289 // glEnable(GL_DEBUG_OUTPUT); | |
290 // glDebugMessageCallback(OpenGLMessageCallback, 0); | |
291 | |
292 // OpenGLCompositor compositor(window, *controller->GetScene()); | |
293 // compositor.SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, | |
294 // FONT_SIZE, Orthanc::Encoding_Latin1); | |
295 | |
296 // FlexiblePointerTrackerPtr tracker; | |
297 | |
298 // bool stop = false; | |
299 // while (!stop) | |
300 // { | |
301 // compositor.Refresh(); | |
302 | |
303 // SDL_Event event; | |
304 // while (!stop && | |
305 // SDL_PollEvent(&event)) | |
306 // { | |
307 // if (event.type == SDL_QUIT) | |
308 // { | |
309 // stop = true; | |
310 // break; | |
311 // } | |
312 // else if (event.type == SDL_MOUSEMOTION) | |
313 // { | |
314 // if (tracker) | |
315 // { | |
316 // PointerEvent e; | |
317 // e.AddPosition(compositor.GetPixelCenterCoordinates( | |
318 // event.button.x, event.button.y)); | |
319 // tracker->PointerMove(e); | |
320 // } | |
321 // } | |
322 // else if (event.type == SDL_MOUSEBUTTONUP) | |
323 // { | |
324 // if (tracker) | |
325 // { | |
326 // PointerEvent e; | |
327 // e.AddPosition(compositor.GetPixelCenterCoordinates( | |
328 // event.button.x, event.button.y)); | |
329 // tracker->PointerUp(e); | |
330 // if(!tracker->IsAlive()) | |
331 // tracker.reset(); | |
332 // } | |
333 // } | |
334 // else if (event.type == SDL_WINDOWEVENT && | |
335 // event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) | |
336 // { | |
337 // tracker.reset(); | |
338 // compositor.UpdateSize(); | |
339 // } | |
340 // else if (event.type == SDL_KEYDOWN && | |
341 // event.key.repeat == 0 /* Ignore key bounce */) | |
342 // { | |
343 // switch (event.key.keysym.sym) | |
344 // { | |
345 // case SDLK_f: | |
346 // window.GetWindow().ToggleMaximize(); | |
347 // break; | |
348 | |
349 // case SDLK_q: | |
350 // stop = true; | |
351 // break; | |
352 | |
353 // default: | |
354 // break; | |
355 // } | |
356 // } | |
357 | |
358 // HandleApplicationEvent(controller, compositor, event, tracker); | |
359 // } | |
360 | |
361 // SDL_Delay(1); | |
362 // } | |
363 //} | |
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first rendering of a 2DScene in Qt widget
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parents:
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364 |
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365 extern void InitGL(); |
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366 |
849 | 367 #include <QApplication> |
368 #include "BasicSceneWindow.h" | |
879 | 369 #include "Scene2DInteractor.h" |
370 | |
849 | 371 int main(int argc, char* argv[]) |
372 { | |
373 { | |
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374 QApplication a(argc, argv); |
849 | 375 |
376 QSurfaceFormat requestedFormat; | |
377 requestedFormat.setVersion( 2, 0 ); | |
378 | |
379 OrthancStone::Samples::BasicSceneWindow window; | |
380 window.show(); | |
381 | |
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parents:
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382 MessageBroker broker; |
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parents:
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383 boost::shared_ptr<UndoStack> undoStack(new UndoStack); |
23701fbf228e
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parents:
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diff
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384 boost::shared_ptr<ViewportController> controller = boost::make_shared<ViewportController>( |
23701fbf228e
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parents:
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385 undoStack, boost::ref(broker)); |
23701fbf228e
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parents:
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diff
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386 PrepareScene(controller); |
849 | 387 |
879 | 388 boost::shared_ptr<OrthancStone::Scene2DInteractor> interactor(new BasicScene2DInteractor(controller)); |
389 window.GetOpenGlWidget().SetInteractor(interactor); | |
390 | |
849 | 391 QOpenGLContext * context = new QOpenGLContext; |
392 context->setFormat( requestedFormat ); | |
393 context->create(); | |
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parents:
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394 context->makeCurrent(window.GetOpenGlWidget().context()->surface()); |
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parents:
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395 |
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parents:
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396 boost::shared_ptr<OpenGLCompositor> compositor = boost::make_shared<OpenGLCompositor>(window.GetOpenGlWidget(), *controller->GetScene()); |
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parents:
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397 compositor->SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, |
23701fbf228e
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parents:
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398 FONT_SIZE, Orthanc::Encoding_Latin1); |
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parents:
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399 |
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400 window.GetOpenGlWidget().SetCompositor(compositor); |
849 | 401 |
402 return a.exec(); | |
403 } | |
404 | |
405 | |
406 | |
407 | |
408 | |
409 | |
410 | |
411 | |
412 | |
413 | |
414 | |
415 | |
416 // StoneInitialize(); | |
417 // Orthanc::Logging::EnableInfoLevel(true); | |
418 | |
419 // QApplication app(argc, argv); | |
420 | |
421 // OrthancStone::Samples::BasicSceneWindow window; | |
422 | |
423 // QSurfaceFormat requestedFormat; | |
424 // requestedFormat.setVersion( 3, 3 ); | |
425 | |
426 // window.show(); | |
427 | |
428 // QOpenGLContext * context = new QOpenGLContext; | |
429 // context->setFormat( requestedFormat ); | |
430 // context->create(); | |
431 | |
432 // GLenum err = glewInit(); | |
433 // if( GLEW_OK != err ){ | |
434 // qDebug() << "[Error] GLEW failed to initialize. " << (const char*)glewGetErrorString(err); | |
435 // } | |
436 | |
437 // try | |
438 // { | |
439 // MessageBroker broker; | |
440 // ViewportControllerPtr controller = boost::make_shared<ViewportController>( | |
441 // boost::ref(broker)); | |
442 // PrepareScene(controller); | |
443 | |
444 // boost::shared_ptr<OpenGLCompositor> compositor(new OpenGLCompositor(window.GetOpenGlWidget(), *controller->GetScene())); | |
445 | |
446 // compositor->SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, | |
447 // FONT_SIZE, Orthanc::Encoding_Latin1); | |
448 | |
449 // window.SetCompositor(compositor); | |
450 | |
451 // app.exec(); | |
452 // } | |
453 // catch (Orthanc::OrthancException& e) | |
454 // { | |
455 // LOG(ERROR) << "EXCEPTION: " << e.What(); | |
456 // } | |
457 | |
458 | |
459 | |
460 // StoneFinalize(); | |
461 | |
462 // return 0; | |
463 } |