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;
}
bool mitk::DisplayInteractor::Move(StateMachineAction*, InteractionEvent* interactionEvent)
{
BaseRenderer* sender = interactionEvent->GetSender();
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent == NULL)
{
MITK_WARN<< "DisplayVectorInteractor: cannot process the event in Move action: " << interactionEvent->GetNameOfClass();
return false;
}
// perform translation
sender->GetDisplayGeometry()->MoveBy((positionEvent->GetPointerPositionOnScreen() - m_LastDisplayCoordinate) * (-1.0));
sender->GetRenderingManager()->RequestUpdate(sender->GetRenderWindow());
m_LastDisplayCoordinate = positionEvent->GetPointerPositionOnScreen();
return true;
}
bool mitk::DisplayInteractor::Move(StateMachineAction*, InteractionEvent* interactionEvent)
{
BaseRenderer* sender = interactionEvent->GetSender();
InteractionPositionEvent* positionEvent = static_cast<InteractionPositionEvent*>(interactionEvent);
float invertModifier = -1.0;
if ( m_InvertMoveDirection )
{
invertModifier = 1.0;
}
// perform translation
sender->GetDisplayGeometry()->MoveBy( (positionEvent->GetPointerPositionOnScreen() - m_LastDisplayCoordinate) * invertModifier );
sender->GetRenderingManager()->RequestUpdate(sender->GetRenderWindow());
m_LastDisplayCoordinate = positionEvent->GetPointerPositionOnScreen();
return true;
}