bool QtPinchGestureRecognizer::update(const QTouchEvent::TouchPoint& point1, const QTouchEvent::TouchPoint& point2) { const qreal currentFingerDistance = QLineF(point1.screenPos(), point2.screenPos()).length(); switch (m_state) { case NoGesture: m_initialFingerDistance = currentFingerDistance; m_state = GestureRecognitionStarted; return false; case GestureRecognitionStarted: { const qreal pinchDistance = qAbs(currentFingerDistance - m_initialFingerDistance); if (pinchDistance < pinchInitialTriggerDistanceThreshold) return false; m_state = GestureRecognized; if (viewportController()) viewportController()->pinchGestureStarted(computePinchCenter(point1, point2)); // We reset the initial span distance to the current distance of the // touch points in order to avoid the jump caused by the events which // were skipped between the recognition start and the actual recognition. m_initialFingerDistance = currentFingerDistance; // fall through } case GestureRecognized: const qreal totalScaleFactor = currentFingerDistance / m_initialFingerDistance; const QPointF touchCenterInViewCoordinates = computePinchCenter(point1, point2); if (viewportController()) viewportController()->pinchGestureRequestUpdate(touchCenterInViewCoordinates, totalScaleFactor); return true; break; } ASSERT_NOT_REACHED(); return false; }
void QtPinchGestureRecognizer::cancel() { if (m_state == NoGesture) return; if (viewportController()) viewportController()->pinchGestureCancelled(); reset(); }
void QtPinchGestureRecognizer::finish() { if (m_state == NoGesture) return; if (viewportController()) viewportController()->pinchGestureEnded(); reset(); }
GLContext* ThreadedCompositor::glContext() { if (m_context) return m_context.get(); #if PLATFORM(GBM) RELEASE_ASSERT(is<PlatformDisplayGBM>(PlatformDisplay::sharedDisplay())); m_surface = GBMSurface::create(IntSize(viewportController()->visibleContentsRect().size()), *this); if (!m_surface) return 0; setNativeSurfaceHandleForCompositing(0); m_context = m_surface->createGLContext(); #endif #if PLATFORM(BCM_RPI) RELEASE_ASSERT(is<PlatformDisplayBCMRPi>(PlatformDisplay::sharedDisplay())); IntSize size(viewportController()->visibleContentsRect().size()); m_surface = downcast<PlatformDisplayBCMRPi>(PlatformDisplay::sharedDisplay()).createSurface(size, m_compositingManager.createBCMElement(size.width(), size.height())); if (!m_surface) return nullptr; setNativeSurfaceHandleForCompositing(0); m_context = m_surface->createGLContext(); #endif #if PLATFORM(BCM_NEXUS) RELEASE_ASSERT(is<PlatformDisplayBCMNexus>(PlatformDisplay::sharedDisplay())); IntSize size(viewportController()->visibleContentsRect().size()); m_surface = downcast<PlatformDisplayBCMNexus>(PlatformDisplay::sharedDisplay()).createSurface(size, m_compositingManager.createBCMNexusElement(size.width(), size.height())); if (!m_surface) return nullptr; setNativeSurfaceHandleForCompositing(0); m_context = m_surface->createGLContext(); #endif #if PLATFORM(INTEL_CE) RELEASE_ASSERT(is<PlatformDisplayIntelCE>(PlatformDisplay::sharedDisplay())); IntSize size(viewportController()->visibleContentsRect().size()); m_surface = downcast<PlatformDisplayIntelCE>(PlatformDisplay::sharedDisplay()).createSurface(size, m_compositingManager.createIntelCEElement(size.width(), size.height())); if (!m_surface) return nullptr; setNativeSurfaceHandleForCompositing(0); m_context = m_surface->createGLContext(); #endif return m_context.get(); }
void ThreadedCompositor::didChangeVisibleRect() { FloatRect visibleRect = viewportController()->visibleContentsRect(); float scale = viewportController()->pageScaleFactor(); callOnMainThread([=] { m_client->setVisibleContentsRect(visibleRect, FloatPoint::zero(), scale); }); scheduleDisplayImmediately(); }
void ThreadedCompositor::didChangeVisibleRect() { FloatRect visibleRect = viewportController()->visibleContentsRect(); float scale = viewportController()->pageScaleFactor(); RefPtr<ThreadedCompositor> protector(this); RunLoop::main().dispatch([protector, visibleRect, scale] { protector->m_client->setVisibleContentsRect(visibleRect, FloatPoint::zero(), scale); }); scheduleDisplayImmediately(); }
void ThreadedCompositor::renderLayerTree() { if (!m_scene) return; if (!ensureGLContext()) return; FloatRect clipRect(0, 0, m_viewportSize.width(), m_viewportSize.height()); TransformationMatrix viewportTransform; FloatPoint scrollPostion = viewportController()->visibleContentsRect().location(); viewportTransform.scale(viewportController()->pageScaleFactor() * m_deviceScaleFactor); viewportTransform.translate(-scrollPostion.x(), -scrollPostion.y()); m_scene->paintToCurrentGLContext(viewportTransform, 1, clipRect, Color::white, false, scrollPostion); glContext()->swapBuffers(); }
void ThreadedCompositor::renderLayerTree() { if (!m_scene) return; if (!ensureGLContext()) return; FloatRect clipRect(0, 0, m_viewportSize.width(), m_viewportSize.height()); TransformationMatrix viewportTransform; FloatPoint scrollPostion = viewportController()->visibleContentsRect().location(); viewportTransform.scale(viewportController()->pageScaleFactor()); viewportTransform.translate(-scrollPostion.x(), -scrollPostion.y()); m_scene->paintToCurrentGLContext(viewportTransform, 1, clipRect, Color::white, false, scrollPostion); #if PLATFORM(BCM_RPI) auto bufferExport = m_surface->lockFrontBuffer(); m_compositingManager.commitBCMBuffer(bufferExport); #endif #if PLATFORM(BCM_NEXUS) auto bufferExport = m_surface->lockFrontBuffer(); m_compositingManager.commitBCMNexusBuffer(bufferExport); #endif #if PLATFORM(INTEL_CE) auto bufferExport = m_surface->lockFrontBuffer(); m_compositingManager.commitIntelCEBuffer(bufferExport); #endif glContext()->swapBuffers(); #if PLATFORM(GBM) auto bufferExport = m_surface->lockFrontBuffer(); m_compositingManager.commitPrimeBuffer(bufferExport); #endif }