Mercurial > hg > orthanc-stone

comparison Samples/Sdl/BasicScene.cpp @ 617:7efa2543699d

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simplification
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 02 May 2019 18:21:59 +0200
parents 412a2d01a189
children 462a5074f914
comparison
equal deleted inserted replaced
616:97926984d5d0 617:7efa2543699d
155 writer.WriteToFile(target, png); 155 writer.WriteToFile(target, png);
156 } 156 }
157 157
158 158
159 void HandleApplicationEvent(OrthancStone::Scene2D& scene, 159 void HandleApplicationEvent(OrthancStone::Scene2D& scene,
160 const OrthancStone::OpenGLCompositor& compositor,
160 const SDL_Event& event, 161 const SDL_Event& event,
161 std::auto_ptr<OrthancStone::IPointerTracker>& activeTracker, 162 std::auto_ptr<OrthancStone::IPointerTracker>& activeTracker)
162 unsigned int windowWidth, 163 {
163 unsigned int windowHeight)
164 {
165 bool hasPositionLayer = false;
166
167 if (event.type == SDL_MOUSEMOTION) 164 if (event.type == SDL_MOUSEMOTION)
168 { 165 {
169 int scancodeCount = 0; 166 int scancodeCount = 0;
170 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); 167 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount);
171 168
174 keyboardState[SDL_SCANCODE_LCTRL]) 171 keyboardState[SDL_SCANCODE_LCTRL])
175 { 172 {
176 // The "left-ctrl" key is down, while no tracker is present 173 // The "left-ctrl" key is down, while no tracker is present
177 174
178 OrthancStone::PointerEvent e; 175 OrthancStone::PointerEvent e;
179 e.AddIntegerPosition(event.button.x - static_cast<int>(windowWidth) / 2, 176 e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y));
180 event.button.y - static_cast<int>(windowHeight) / 2); 177
181 OrthancStone::ScenePoint2D p = e.GetMainPosition().Apply(scene.GetCanvasToSceneTransform()); 178 OrthancStone::ScenePoint2D p = e.GetMainPosition().Apply(scene.GetCanvasToSceneTransform());
182 179
183 char buf[64]; 180 char buf[64];
184 sprintf(buf, "(%0.02f,%0.02f)", p.GetX(), p.GetY()); 181 sprintf(buf, "(%0.02f,%0.02f)", p.GetX(), p.GetY());
185 182
198 layer->SetBorder(20); 195 layer->SetBorder(20);
199 layer->SetAnchor(OrthancStone::BitmapAnchor_BottomCenter); 196 layer->SetAnchor(OrthancStone::BitmapAnchor_BottomCenter);
200 layer->SetPosition(p.GetX(), p.GetY()); 197 layer->SetPosition(p.GetX(), p.GetY());
201 scene.SetLayer(LAYER_POSITION, layer.release()); 198 scene.SetLayer(LAYER_POSITION, layer.release());
202 } 199 }
203 200 }
204 hasPositionLayer = true; 201 else
202 {
203 scene.DeleteLayer(LAYER_POSITION);
205 } 204 }
206 } 205 }
207 else if (event.type == SDL_MOUSEBUTTONDOWN) 206 else if (event.type == SDL_MOUSEBUTTONDOWN)
208 { 207 {
209 OrthancStone::PointerEvent e; 208 OrthancStone::PointerEvent e;
210 e.AddIntegerPosition(event.button.x, event.button.y); 209 e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y));
211 210
212 switch (event.button.button) 211 switch (event.button.button)
213 { 212 {
214 case SDL_BUTTON_MIDDLE: 213 case SDL_BUTTON_MIDDLE:
215 activeTracker.reset(new OrthancStone::PanSceneTracker(scene, e)); 214 activeTracker.reset(new OrthancStone::PanSceneTracker(scene, e));
216 break; 215 break;
217 216
218 case SDL_BUTTON_RIGHT: 217 case SDL_BUTTON_RIGHT:
219 activeTracker.reset(new OrthancStone::ZoomSceneTracker 218 activeTracker.reset(new OrthancStone::ZoomSceneTracker(scene, e,
220 (scene, e, windowWidth, windowHeight)); 219 compositor.GetCanvasHeight()));
221 break; 220 break;
222 221
223 case SDL_BUTTON_LEFT: 222 case SDL_BUTTON_LEFT:
224 activeTracker.reset(new OrthancStone::RotateSceneTracker 223 activeTracker.reset(new OrthancStone::RotateSceneTracker(scene, e));
225 (scene, e, windowWidth, windowHeight));
226 break; 224 break;
227 225
228 default: 226 default:
229 break; 227 break;
230 } 228 }
233 event.key.repeat == 0 /* Ignore key bounce */) 231 event.key.repeat == 0 /* Ignore key bounce */)
234 { 232 {
235 switch (event.key.keysym.sym) 233 switch (event.key.keysym.sym)
236 { 234 {
237 case SDLK_s: 235 case SDLK_s:
238 scene.FitContent(windowWidth, windowHeight); 236 scene.FitContent(compositor.GetCanvasWidth(),
237 compositor.GetCanvasHeight());
239 break; 238 break;
240 239
241 case SDLK_c: 240 case SDLK_c:
242 TakeScreenshot("screenshot.png", scene, windowWidth, windowHeight); 241 TakeScreenshot("screenshot.png", scene,
242 compositor.GetCanvasWidth(),
243 compositor.GetCanvasHeight());
243 break; 244 break;
244 245
245 default: 246 default:
246 break; 247 break;
247 } 248 }
248 }
249
250 if (!hasPositionLayer)
251 {
252 scene.DeleteLayer(LAYER_POSITION);
253 } 249 }
254 } 250 }
255 251
256 252
257 static void GLAPIENTRY 253 static void GLAPIENTRY
304 else if (event.type == SDL_MOUSEMOTION) 300 else if (event.type == SDL_MOUSEMOTION)
305 { 301 {
306 if (tracker.get() != NULL) 302 if (tracker.get() != NULL)
307 { 303 {
308 OrthancStone::PointerEvent e; 304 OrthancStone::PointerEvent e;
309 e.AddIntegerPosition(event.button.x, event.button.y); 305 e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y));
310 tracker->Update(e); 306 tracker->Update(e);
311 } 307 }
312 } 308 }
313 else if (event.type == SDL_MOUSEBUTTONUP) 309 else if (event.type == SDL_MOUSEBUTTONUP)
314 { 310 {
340 default: 336 default:
341 break; 337 break;
342 } 338 }
343 } 339 }
344 340
345 HandleApplicationEvent(scene, event, tracker, window.GetCanvasWidth(), window.GetCanvasHeight()); 341 HandleApplicationEvent(scene, compositor, event, tracker);
346 } 342 }
347 343
348 SDL_Delay(1); 344 SDL_Delay(1);
349 } 345 }
350 } 346 }