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comparison Samples/Qt/BasicScene.cpp @ 849:8a8cf2991538 am-dev

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Qt sample (work in progress)
author Alain Mazy <alain@mazy.be>
date Mon, 17 Jun 2019 15:04:47 +0200
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children 23701fbf228e
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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 }