bool mitk::DisplayInteractor::Zoom(StateMachineAction*, InteractionEvent* interactionEvent) { const BaseRenderer::Pointer sender = interactionEvent->GetSender(); InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent); if (positionEvent == NULL) { MITK_WARN<< "DisplayVectorInteractor cannot process the event: " << interactionEvent->GetNameOfClass(); return false; } float factor = 1.0; float distance = 0; if (m_ZoomDirection == "leftright") { distance = m_CurrentDisplayCoordinate[1] - m_LastDisplayCoordinate[1]; } else { distance = m_CurrentDisplayCoordinate[0] - m_LastDisplayCoordinate[0]; } // set zooming speed if (distance < 0.0) { factor = 1.0 / m_ZoomFactor; } else if (distance > 0.0) { factor = 1.0 * m_ZoomFactor; } sender->GetDisplayGeometry()->ZoomWithFixedWorldCoordinates(factor, m_StartDisplayCoordinate, m_StartCoordinateInMM); sender->GetRenderingManager()->RequestUpdate(sender->GetRenderWindow()); m_LastDisplayCoordinate = m_CurrentDisplayCoordinate; m_CurrentDisplayCoordinate = positionEvent->GetPointerPositionOnScreen(); return true; }
mitk::StdFunctionCommand::ActionFunction mitk::DisplayActionEventFunctions::ZoomCameraSynchronizedAction() { auto actionFunction = [](const itk::EventObject& displayInteractorEvent) { if (DisplayZoomEvent().CheckEvent(&displayInteractorEvent)) { const DisplayZoomEvent* displayActionEvent = dynamic_cast<const DisplayZoomEvent*>(&displayInteractorEvent); const BaseRenderer::Pointer sendingRenderer = displayActionEvent->GetSender(); if (nullptr == sendingRenderer) { return; } if (1.0 != displayActionEvent->GetZoomFactor()) { auto allRenderWindows = sendingRenderer->GetRenderingManager()->GetAllRegisteredRenderWindows(); for (auto renderWindow : allRenderWindows) { if (BaseRenderer::GetInstance(renderWindow)->GetMapperID() == BaseRenderer::Standard2D) { BaseRenderer* currentRenderer = BaseRenderer::GetInstance(renderWindow); currentRenderer->GetCameraController()->Zoom(displayActionEvent->GetZoomFactor(), displayActionEvent->GetStartCoordinate()); currentRenderer->GetRenderingManager()->RequestUpdate(currentRenderer->GetRenderWindow()); } } } } }; return actionFunction; }
mitk::StdFunctionCommand::ActionFunction mitk::DisplayActionEventFunctions::SetCrosshairSynchronizedAction() { auto actionFunction = [](const itk::EventObject& displayInteractorEvent) { if (DisplaySetCrosshairEvent().CheckEvent(&displayInteractorEvent)) { const DisplaySetCrosshairEvent* displayActionEvent = dynamic_cast<const DisplaySetCrosshairEvent*>(&displayInteractorEvent); const BaseRenderer::Pointer sendingRenderer = displayActionEvent->GetSender(); if (nullptr == sendingRenderer) { return; } auto allRenderWindows = sendingRenderer->GetRenderingManager()->GetAllRegisteredRenderWindows(); for (auto renderWindow : allRenderWindows) { if (BaseRenderer::GetInstance(renderWindow)->GetMapperID() == BaseRenderer::Standard2D) { BaseRenderer::GetInstance(renderWindow)->GetSliceNavigationController()->SelectSliceByPoint(displayActionEvent->GetPosition()); } } } }; return actionFunction; }
bool mitk::DisplayInteractor::AdjustLevelWindow(StateMachineAction*, InteractionEvent* interactionEvent) { BaseRenderer::Pointer sender = interactionEvent->GetSender(); InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent); if (positionEvent == NULL) { MITK_WARN<< "DisplayVectorInteractor::Scroll cannot process the event: " << interactionEvent->GetNameOfClass(); return false; } m_LastDisplayCoordinate = m_CurrentDisplayCoordinate; m_CurrentDisplayCoordinate = positionEvent->GetPointerPositionOnScreen(); // search for active image mitk::DataStorage::Pointer storage = sender->GetDataStorage(); mitk::DataNode::Pointer node = NULL; mitk::DataStorage::SetOfObjects::ConstPointer allImageNodes = storage->GetSubset(mitk::NodePredicateDataType::New("Image")); for (unsigned int i = 0; i < allImageNodes->size(); i++) { bool isActiveImage = false; bool propFound = allImageNodes->at(i)->GetBoolProperty("imageForLevelWindow", isActiveImage); if (propFound && isActiveImage) { node = allImageNodes->at(i); continue; } } if (node.IsNull()) { node = storage->GetNode(mitk::NodePredicateDataType::New("Image")); } if (node.IsNull()) { return false; } mitk::LevelWindow lv = mitk::LevelWindow(); node->GetLevelWindow(lv); ScalarType level = lv.GetLevel(); ScalarType window = lv.GetWindow(); // calculate adjustments from mouse movements level += (m_CurrentDisplayCoordinate[0] - m_LastDisplayCoordinate[0]) * static_cast<ScalarType>(2); window += (m_CurrentDisplayCoordinate[1] - m_LastDisplayCoordinate[1]) * static_cast<ScalarType>(2); lv.SetLevelWindow(level, window); dynamic_cast<mitk::LevelWindowProperty*>(node->GetProperty("levelwindow"))->SetLevelWindow(lv); sender->GetRenderingManager()->RequestUpdateAll(); return true; }
mitk::StdFunctionCommand::ActionFunction mitk::DisplayActionEventFunctions::ScrollSliceStepperSynchronizedAction() { auto actionFunction = [](const itk::EventObject& displayInteractorEvent) { if (DisplayScrollEvent().CheckEvent(&displayInteractorEvent)) { const DisplayScrollEvent* displayActionEvent = dynamic_cast<const DisplayScrollEvent*>(&displayInteractorEvent); const BaseRenderer::Pointer sendingRenderer = displayActionEvent->GetSender(); if (nullptr == sendingRenderer) { return; } auto allRenderWindows = sendingRenderer->GetRenderingManager()->GetAllRegisteredRenderWindows(); for (auto renderWindow : allRenderWindows) { if (BaseRenderer::GetInstance(renderWindow)->GetMapperID() == BaseRenderer::Standard2D) { mitk::SliceNavigationController* sliceNavigationController = BaseRenderer::GetInstance(renderWindow)->GetSliceNavigationController(); if (nullptr == sliceNavigationController) { return; } if (sliceNavigationController->GetSliceLocked()) { return; } mitk::Stepper* sliceStepper = sliceNavigationController->GetSlice(); if (nullptr == sliceStepper) { return; } // if only a single slice image was loaded, scrolling will affect the time steps if (sliceStepper->GetSteps() <= 1) { sliceStepper = sliceNavigationController->GetTime(); } sliceStepper->MoveSlice(displayActionEvent->GetSliceDelta()); } } } }; return actionFunction; }
mitk::StdFunctionCommand::ActionFunction mitk::DisplayActionEventFunctions::SetLevelWindowAction() { auto actionFunction = [](const itk::EventObject& displayInteractorEvent) { if (DisplaySetLevelWindowEvent().CheckEvent(&displayInteractorEvent)) { const DisplaySetLevelWindowEvent* displayActionEvent = dynamic_cast<const DisplaySetLevelWindowEvent*>(&displayInteractorEvent); const BaseRenderer::Pointer sendingRenderer = displayActionEvent->GetSender(); if (nullptr == sendingRenderer) { return; } // get the the topmost visible image of the sending renderer DataStorage::Pointer storage = sendingRenderer->GetDataStorage(); DataStorage::SetOfObjects::ConstPointer allImageNodes = storage->GetSubset(NodePredicateDataType::New("Image")); Point3D worldposition; const auto* positionEvent = dynamic_cast<const InteractionPositionEvent*>(displayActionEvent->GetInteractionEvent()); sendingRenderer->DisplayToWorld(positionEvent->GetPointerPositionOnScreen(), worldposition); auto globalCurrentTimePoint = sendingRenderer->GetTime(); DataNode::Pointer node = FindTopmostVisibleNode(allImageNodes, worldposition, globalCurrentTimePoint, sendingRenderer); if (node.IsNull()) { return; } LevelWindow levelWindow = LevelWindow(); node->GetLevelWindow(levelWindow); ScalarType level = levelWindow.GetLevel(); ScalarType window = levelWindow.GetWindow(); level += displayActionEvent->GetLevel(); window += displayActionEvent->GetWindow(); levelWindow.SetLevelWindow(level, window); auto* levelWindowProperty = dynamic_cast<LevelWindowProperty*>(node->GetProperty("levelwindow")); if (nullptr != levelWindowProperty) { levelWindowProperty->SetLevelWindow(levelWindow); sendingRenderer->GetRenderingManager()->RequestUpdateAll(); } } }; return actionFunction; }
bool mitk::DisplayInteractor::Zoom(StateMachineAction*, InteractionEvent* interactionEvent) { const BaseRenderer::Pointer sender = interactionEvent->GetSender(); InteractionPositionEvent* positionEvent = static_cast<InteractionPositionEvent*>(interactionEvent); float factor = 1.0; float distance = 0; if (m_ZoomDirection == "updown") { distance = m_CurrentDisplayCoordinate[1] - m_LastDisplayCoordinate[1]; } else { distance = m_CurrentDisplayCoordinate[0] - m_LastDisplayCoordinate[0]; } if ( m_InvertZoomDirection ) { distance *= -1.0; } // set zooming speed if (distance < 0.0) { factor = 1.0 / m_ZoomFactor; } else if (distance > 0.0) { factor = 1.0 * m_ZoomFactor; } if (factor != 1.0) { sender->GetDisplayGeometry()->ZoomWithFixedWorldCoordinates(factor, m_StartDisplayCoordinate, m_StartCoordinateInMM); sender->GetRenderingManager()->RequestUpdate(sender->GetRenderWindow()); } m_LastDisplayCoordinate = m_CurrentDisplayCoordinate; m_CurrentDisplayCoordinate = positionEvent->GetPointerPositionOnScreen(); return true; }
////////////////////////////////////////////////////////////////////////// // STANDARD FUNCTIONS ////////////////////////////////////////////////////////////////////////// mitk::StdFunctionCommand::ActionFunction mitk::DisplayActionEventFunctions::MoveSenderCameraAction() { mitk::StdFunctionCommand::ActionFunction actionFunction = [](const itk::EventObject& displayInteractorEvent) { if (DisplayMoveEvent().CheckEvent(&displayInteractorEvent)) { const DisplayMoveEvent* displayActionEvent = dynamic_cast<const DisplayMoveEvent*>(&displayInteractorEvent); const BaseRenderer::Pointer sendingRenderer = displayActionEvent->GetSender(); if (nullptr == sendingRenderer) { return; } sendingRenderer->GetCameraController()->MoveBy(displayActionEvent->GetMoveVector()); sendingRenderer->GetRenderingManager()->RequestUpdate(sendingRenderer->GetRenderWindow()); } }; return actionFunction; }
mitk::StdFunctionCommand::ActionFunction mitk::DisplayActionEventFunctions::ZoomSenderCameraAction() { auto actionFunction = [](const itk::EventObject& displayInteractorEvent) { if (DisplayZoomEvent().CheckEvent(&displayInteractorEvent)) { const DisplayZoomEvent* displayActionEvent = dynamic_cast<const DisplayZoomEvent*>(&displayInteractorEvent); const BaseRenderer::Pointer sendingRenderer = displayActionEvent->GetSender(); if (nullptr == sendingRenderer) { return; } if (1.0 != displayActionEvent->GetZoomFactor()) { sendingRenderer->GetCameraController()->Zoom(displayActionEvent->GetZoomFactor(), displayActionEvent->GetStartCoordinate()); sendingRenderer->GetRenderingManager()->RequestUpdate(sendingRenderer->GetRenderWindow()); } } }; return actionFunction; }
bool mitk::DisplayInteractor::AdjustLevelWindow(StateMachineAction*, InteractionEvent* interactionEvent) { BaseRenderer::Pointer sender = interactionEvent->GetSender(); InteractionPositionEvent* positionEvent = static_cast<InteractionPositionEvent*>(interactionEvent); m_LastDisplayCoordinate = m_CurrentDisplayCoordinate; m_CurrentDisplayCoordinate = positionEvent->GetPointerPositionOnScreen(); // search for active image mitk::DataStorage::Pointer storage = sender->GetDataStorage(); mitk::DataNode::Pointer node = NULL; mitk::DataStorage::SetOfObjects::ConstPointer allImageNodes = storage->GetSubset(mitk::NodePredicateDataType::New("Image")); for (unsigned int i = 0; i < allImageNodes->size(); i++) { bool isActiveImage = false; bool propFound = allImageNodes->at(i)->GetBoolProperty("imageForLevelWindow", isActiveImage); if (propFound && isActiveImage) { node = allImageNodes->at(i); continue; } } if (node.IsNull()) { node = storage->GetNode(mitk::NodePredicateDataType::New("Image")); } if (node.IsNull()) { return false; } mitk::LevelWindow lv = mitk::LevelWindow(); node->GetLevelWindow(lv); ScalarType level = lv.GetLevel(); ScalarType window = lv.GetWindow(); int levelIndex = 0; int windowIndex = 1; if ( m_LevelDirection != "leftright" ) { levelIndex = 1; windowIndex = 0; } int directionModifier = 1; if ( m_InvertLevelWindowDirection ) { directionModifier = -1; } // calculate adjustments from mouse movements level += (m_CurrentDisplayCoordinate[levelIndex] - m_LastDisplayCoordinate[levelIndex]) * static_cast<ScalarType>(2) * directionModifier; window += (m_CurrentDisplayCoordinate[windowIndex] - m_LastDisplayCoordinate[windowIndex]) * static_cast<ScalarType>(2) * directionModifier; lv.SetLevelWindow(level, window); dynamic_cast<mitk::LevelWindowProperty*>(node->GetProperty("levelwindow"))->SetLevelWindow(lv); sender->GetRenderingManager()->RequestUpdateAll(); return true; }