Mercurial > hg > orthanc-stone
comparison Samples/Qt/BasicScene.cpp @ 849:8a8cf2991538 am-dev
Qt sample (work in progress)
author | Alain Mazy <alain@mazy.be> |
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date | Mon, 17 Jun 2019 15:04:47 +0200 |
parents | |
children | 23701fbf228e |
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838:997290c7d537 | 849:8a8cf2991538 |
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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) 2017-2019 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" | |
33 | |
34 #include "../../Framework/StoneInitialization.h" | |
35 #include "../../Framework/Messages/MessageBroker.h" | |
36 | |
37 // From Orthanc framework | |
38 #include <Core/Logging.h> | |
39 #include <Core/OrthancException.h> | |
40 #include <Core/Images/Image.h> | |
41 #include <Core/Images/ImageProcessing.h> | |
42 #include <Core/Images/PngWriter.h> | |
43 | |
44 #include <boost/make_shared.hpp> | |
45 #include <boost/ref.hpp> | |
46 #include "EmbeddedResources.h" | |
47 | |
48 //#include <SDL.h> | |
49 #include <stdio.h> | |
50 #include <QDebug> | |
51 #include <QWindow> | |
52 | |
53 static const unsigned int FONT_SIZE = 32; | |
54 static const int LAYER_POSITION = 150; | |
55 | |
56 using namespace OrthancStone; | |
57 | |
58 void PrepareScene(ViewportControllerPtr controller) | |
59 { | |
60 Scene2D& scene(*controller->GetScene()); | |
61 // Texture of 2x2 size | |
62 { | |
63 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 2, 2, false); | |
64 | |
65 uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
66 p[0] = 255; | |
67 p[1] = 0; | |
68 p[2] = 0; | |
69 | |
70 p[3] = 0; | |
71 p[4] = 255; | |
72 p[5] = 0; | |
73 | |
74 p = reinterpret_cast<uint8_t*>(i.GetRow(1)); | |
75 p[0] = 0; | |
76 p[1] = 0; | |
77 p[2] = 255; | |
78 | |
79 p[3] = 255; | |
80 p[4] = 0; | |
81 p[5] = 0; | |
82 | |
83 scene.SetLayer(12, new ColorTextureSceneLayer(i)); | |
84 | |
85 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
86 l->SetOrigin(-3, 2); | |
87 l->SetPixelSpacing(1.5, 1); | |
88 l->SetAngle(20.0 / 180.0 * 3.14); | |
89 scene.SetLayer(14, l.release()); | |
90 } | |
91 | |
92 // Texture of 1x1 size | |
93 { | |
94 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 1, 1, false); | |
95 | |
96 uint8_t *p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
97 p[0] = 255; | |
98 p[1] = 0; | |
99 p[2] = 0; | |
100 | |
101 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
102 l->SetOrigin(-2, 1); | |
103 l->SetAngle(20.0 / 180.0 * 3.14); | |
104 scene.SetLayer(13, l.release()); | |
105 } | |
106 | |
107 // Some lines | |
108 { | |
109 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer); | |
110 | |
111 layer->SetThickness(1); | |
112 | |
113 PolylineSceneLayer::Chain chain; | |
114 chain.push_back(ScenePoint2D(0 - 0.5, 0 - 0.5)); | |
115 chain.push_back(ScenePoint2D(0 - 0.5, 2 - 0.5)); | |
116 chain.push_back(ScenePoint2D(2 - 0.5, 2 - 0.5)); | |
117 chain.push_back(ScenePoint2D(2 - 0.5, 0 - 0.5)); | |
118 layer->AddChain(chain, true); | |
119 | |
120 chain.clear(); | |
121 chain.push_back(ScenePoint2D(-5, -5)); | |
122 chain.push_back(ScenePoint2D(5, -5)); | |
123 chain.push_back(ScenePoint2D(5, 5)); | |
124 chain.push_back(ScenePoint2D(-5, 5)); | |
125 layer->AddChain(chain, true); | |
126 | |
127 double dy = 1.01; | |
128 chain.clear(); | |
129 chain.push_back(ScenePoint2D(-4, -4)); | |
130 chain.push_back(ScenePoint2D(4, -4 + dy)); | |
131 chain.push_back(ScenePoint2D(-4, -4 + 2.0 * dy)); | |
132 chain.push_back(ScenePoint2D(4, 2)); | |
133 layer->AddChain(chain, false); | |
134 | |
135 layer->SetColor(0,255, 255); | |
136 scene.SetLayer(50, layer.release()); | |
137 } | |
138 | |
139 // Some text | |
140 { | |
141 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
142 layer->SetText("Hello"); | |
143 scene.SetLayer(100, layer.release()); | |
144 } | |
145 } | |
146 | |
147 | |
148 //void TakeScreenshot(const std::string& target, | |
149 // const Scene2D& scene, | |
150 // unsigned int canvasWidth, | |
151 // unsigned int canvasHeight) | |
152 //{ | |
153 // // Take a screenshot, then save it as PNG file | |
154 // CairoCompositor compositor(scene, canvasWidth, canvasHeight); | |
155 // compositor.SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, FONT_SIZE, Orthanc::Encoding_Latin1); | |
156 // compositor.Refresh(); | |
157 | |
158 // Orthanc::ImageAccessor canvas; | |
159 // compositor.GetCanvas().GetReadOnlyAccessor(canvas); | |
160 | |
161 // Orthanc::Image png(Orthanc::PixelFormat_RGB24, canvas.GetWidth(), canvas.GetHeight(), false); | |
162 // Orthanc::ImageProcessing::Convert(png, canvas); | |
163 | |
164 // Orthanc::PngWriter writer; | |
165 // writer.WriteToFile(target, png); | |
166 //} | |
167 | |
168 | |
169 //void HandleApplicationEvent(ViewportControllerPtr controller, | |
170 // const OpenGLCompositor& compositor, | |
171 // const SDL_Event& event, | |
172 // FlexiblePointerTrackerPtr& activeTracker) | |
173 //{ | |
174 // Scene2D& scene(*controller->GetScene()); | |
175 // if (event.type == SDL_MOUSEMOTION) | |
176 // { | |
177 // int scancodeCount = 0; | |
178 // const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
179 | |
180 // if (activeTracker.get() == NULL && | |
181 // SDL_SCANCODE_LCTRL < scancodeCount && | |
182 // keyboardState[SDL_SCANCODE_LCTRL]) | |
183 // { | |
184 // // The "left-ctrl" key is down, while no tracker is present | |
185 | |
186 // PointerEvent e; | |
187 // e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
188 | |
189 // ScenePoint2D p = e.GetMainPosition().Apply(scene.GetCanvasToSceneTransform()); | |
190 | |
191 // char buf[64]; | |
192 // sprintf(buf, "(%0.02f,%0.02f)", p.GetX(), p.GetY()); | |
193 | |
194 // if (scene.HasLayer(LAYER_POSITION)) | |
195 // { | |
196 // TextSceneLayer& layer = | |
197 // dynamic_cast<TextSceneLayer&>(scene.GetLayer(LAYER_POSITION)); | |
198 // layer.SetText(buf); | |
199 // layer.SetPosition(p.GetX(), p.GetY()); | |
200 // } | |
201 // else | |
202 // { | |
203 // std::auto_ptr<TextSceneLayer> | |
204 // layer(new TextSceneLayer); | |
205 // layer->SetColor(0, 255, 0); | |
206 // layer->SetText(buf); | |
207 // layer->SetBorder(20); | |
208 // layer->SetAnchor(BitmapAnchor_BottomCenter); | |
209 // layer->SetPosition(p.GetX(), p.GetY()); | |
210 // scene.SetLayer(LAYER_POSITION, layer.release()); | |
211 // } | |
212 // } | |
213 // else | |
214 // { | |
215 // scene.DeleteLayer(LAYER_POSITION); | |
216 // } | |
217 // } | |
218 // else if (event.type == SDL_MOUSEBUTTONDOWN) | |
219 // { | |
220 // PointerEvent e; | |
221 // e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
222 | |
223 // switch (event.button.button) | |
224 // { | |
225 // case SDL_BUTTON_MIDDLE: | |
226 // activeTracker = boost::make_shared<PanSceneTracker>(controller, e); | |
227 // break; | |
228 | |
229 // case SDL_BUTTON_RIGHT: | |
230 // activeTracker = boost::make_shared<ZoomSceneTracker>(controller, | |
231 // e, compositor.GetCanvasHeight()); | |
232 // break; | |
233 | |
234 // case SDL_BUTTON_LEFT: | |
235 // activeTracker = boost::make_shared<RotateSceneTracker>(controller, e); | |
236 // break; | |
237 | |
238 // default: | |
239 // break; | |
240 // } | |
241 // } | |
242 // else if (event.type == SDL_KEYDOWN && | |
243 // event.key.repeat == 0 /* Ignore key bounce */) | |
244 // { | |
245 // switch (event.key.keysym.sym) | |
246 // { | |
247 // case SDLK_s: | |
248 // controller->FitContent(compositor.GetCanvasWidth(), | |
249 // compositor.GetCanvasHeight()); | |
250 // break; | |
251 | |
252 // case SDLK_c: | |
253 // TakeScreenshot("screenshot.png", scene, | |
254 // compositor.GetCanvasWidth(), | |
255 // compositor.GetCanvasHeight()); | |
256 // break; | |
257 | |
258 // default: | |
259 // break; | |
260 // } | |
261 // } | |
262 //} | |
263 | |
264 | |
265 static void GLAPIENTRY OpenGLMessageCallback(GLenum source, | |
266 GLenum type, | |
267 GLuint id, | |
268 GLenum severity, | |
269 GLsizei length, | |
270 const GLchar* message, | |
271 const void* userParam ) | |
272 { | |
273 if (severity != GL_DEBUG_SEVERITY_NOTIFICATION) | |
274 { | |
275 fprintf(stderr, "GL CALLBACK: %s type = 0x%x, severity = 0x%x, message = %s\n", | |
276 ( type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR **" : "" ), | |
277 type, severity, message ); | |
278 } | |
279 } | |
280 | |
281 | |
282 //void Run(ViewportControllerPtr controller) | |
283 //{ | |
284 // SdlOpenGLWindow window("Hello", 1024, 768); | |
285 | |
286 // controller->FitContent(window.GetCanvasWidth(), window.GetCanvasHeight()); | |
287 | |
288 // glEnable(GL_DEBUG_OUTPUT); | |
289 // glDebugMessageCallback(OpenGLMessageCallback, 0); | |
290 | |
291 // OpenGLCompositor compositor(window, *controller->GetScene()); | |
292 // compositor.SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, | |
293 // FONT_SIZE, Orthanc::Encoding_Latin1); | |
294 | |
295 // FlexiblePointerTrackerPtr tracker; | |
296 | |
297 // bool stop = false; | |
298 // while (!stop) | |
299 // { | |
300 // compositor.Refresh(); | |
301 | |
302 // SDL_Event event; | |
303 // while (!stop && | |
304 // SDL_PollEvent(&event)) | |
305 // { | |
306 // if (event.type == SDL_QUIT) | |
307 // { | |
308 // stop = true; | |
309 // break; | |
310 // } | |
311 // else if (event.type == SDL_MOUSEMOTION) | |
312 // { | |
313 // if (tracker) | |
314 // { | |
315 // PointerEvent e; | |
316 // e.AddPosition(compositor.GetPixelCenterCoordinates( | |
317 // event.button.x, event.button.y)); | |
318 // tracker->PointerMove(e); | |
319 // } | |
320 // } | |
321 // else if (event.type == SDL_MOUSEBUTTONUP) | |
322 // { | |
323 // if (tracker) | |
324 // { | |
325 // PointerEvent e; | |
326 // e.AddPosition(compositor.GetPixelCenterCoordinates( | |
327 // event.button.x, event.button.y)); | |
328 // tracker->PointerUp(e); | |
329 // if(!tracker->IsAlive()) | |
330 // tracker.reset(); | |
331 // } | |
332 // } | |
333 // else if (event.type == SDL_WINDOWEVENT && | |
334 // event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) | |
335 // { | |
336 // tracker.reset(); | |
337 // compositor.UpdateSize(); | |
338 // } | |
339 // else if (event.type == SDL_KEYDOWN && | |
340 // event.key.repeat == 0 /* Ignore key bounce */) | |
341 // { | |
342 // switch (event.key.keysym.sym) | |
343 // { | |
344 // case SDLK_f: | |
345 // window.GetWindow().ToggleMaximize(); | |
346 // break; | |
347 | |
348 // case SDLK_q: | |
349 // stop = true; | |
350 // break; | |
351 | |
352 // default: | |
353 // break; | |
354 // } | |
355 // } | |
356 | |
357 // HandleApplicationEvent(controller, compositor, event, tracker); | |
358 // } | |
359 | |
360 // SDL_Delay(1); | |
361 // } | |
362 //} | |
363 #include <QApplication> | |
364 #include "BasicSceneWindow.h" | |
365 int main(int argc, char* argv[]) | |
366 { | |
367 { | |
368 QGuiApplication a(argc, argv); | |
369 | |
370 QSurfaceFormat requestedFormat; | |
371 requestedFormat.setVersion( 2, 0 ); | |
372 | |
373 OrthancStone::Samples::BasicSceneWindow window; | |
374 //window->setFormat(requestedFormat); | |
375 window.setSurfaceType(QWindow::OpenGLSurface); | |
376 window.show(); | |
377 | |
378 // QWindow * window = new QWindow; | |
379 // window->setSurfaceType(QWindow::OpenGLSurface); | |
380 // window->setFormat( requestedFormat ); | |
381 | |
382 // window->show(); | |
383 | |
384 QOpenGLContext * context = new QOpenGLContext; | |
385 context->setFormat( requestedFormat ); | |
386 context->create(); | |
387 context->makeCurrent(&window); | |
388 | |
389 GLenum err = glewInit(); | |
390 if( GLEW_OK != err ){ | |
391 qDebug() << "[Error] GLEW failed to initialize. " << (const char*)glewGetErrorString(err); | |
392 } | |
393 | |
394 return a.exec(); | |
395 } | |
396 | |
397 | |
398 | |
399 | |
400 | |
401 | |
402 | |
403 | |
404 | |
405 | |
406 | |
407 | |
408 // StoneInitialize(); | |
409 // Orthanc::Logging::EnableInfoLevel(true); | |
410 | |
411 // QApplication app(argc, argv); | |
412 | |
413 // OrthancStone::Samples::BasicSceneWindow window; | |
414 | |
415 // QSurfaceFormat requestedFormat; | |
416 // requestedFormat.setVersion( 3, 3 ); | |
417 | |
418 // window.show(); | |
419 | |
420 // QOpenGLContext * context = new QOpenGLContext; | |
421 // context->setFormat( requestedFormat ); | |
422 // context->create(); | |
423 | |
424 // GLenum err = glewInit(); | |
425 // if( GLEW_OK != err ){ | |
426 // qDebug() << "[Error] GLEW failed to initialize. " << (const char*)glewGetErrorString(err); | |
427 // } | |
428 | |
429 // try | |
430 // { | |
431 // MessageBroker broker; | |
432 // ViewportControllerPtr controller = boost::make_shared<ViewportController>( | |
433 // boost::ref(broker)); | |
434 // PrepareScene(controller); | |
435 | |
436 // boost::shared_ptr<OpenGLCompositor> compositor(new OpenGLCompositor(window.GetOpenGlWidget(), *controller->GetScene())); | |
437 | |
438 // compositor->SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, | |
439 // FONT_SIZE, Orthanc::Encoding_Latin1); | |
440 | |
441 // window.SetCompositor(compositor); | |
442 | |
443 // app.exec(); | |
444 // } | |
445 // catch (Orthanc::OrthancException& e) | |
446 // { | |
447 // LOG(ERROR) << "EXCEPTION: " << e.What(); | |
448 // } | |
449 | |
450 | |
451 | |
452 // StoneFinalize(); | |
453 | |
454 // return 0; | |
455 } |