Mercurial > hg > orthanc-stone
annotate Samples/Qt/BasicScene.cpp @ 879:12b591d5d63c am-dev
some Qt integration (wip)
| author | Alain Mazy <alain@mazy.be> |
|---|---|
| date | Fri, 05 Jul 2019 14:52:43 +0200 |
| parents | 23701fbf228e |
| children | 30268a0cafca |
| rev | line source |
|---|---|
| 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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first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
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diff
changeset
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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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23701fbf228e
first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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134 layer->AddChain(chain, false, 0, 0, 255); |
| 849 | 135 |
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863
23701fbf228e
first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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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
Alain Mazy <alain@mazy.be>
parents:
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diff
changeset
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364 |
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first rendering of a 2DScene in Qt widget
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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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parents:
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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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first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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382 MessageBroker broker; |
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23701fbf228e
first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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383 boost::shared_ptr<UndoStack> undoStack(new UndoStack); |
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23701fbf228e
first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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384 boost::shared_ptr<ViewportController> controller = boost::make_shared<ViewportController>( |
|
23701fbf228e
first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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385 undoStack, boost::ref(broker)); |
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23701fbf228e
first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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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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first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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394 context->makeCurrent(window.GetOpenGlWidget().context()->surface()); |
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first rendering of a 2DScene in Qt widget
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parents:
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diff
changeset
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395 |
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first rendering of a 2DScene in Qt widget
Alain Mazy <alain@mazy.be>
parents:
849
diff
changeset
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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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diff
changeset
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397 compositor->SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, |
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parents:
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398 FONT_SIZE, Orthanc::Encoding_Latin1); |
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399 |
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first rendering of a 2DScene in Qt widget
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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 } |