Method SetupInteractor

Interaction/Image/vtkImageViewer.cxx:189–213

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//------------------------------------------------------------------------------
void vtkImageViewer::SetupInteractor(vtkRenderWindowInteractor* rwi)
{
  if (this->Interactor && rwi != this->Interactor)
  {
    this->Interactor->Delete();
  }
  if (!this->InteractorStyle)
  {
    this->InteractorStyle = vtkInteractorStyleImage::New();
    vtkImageViewerCallback* cbk = vtkImageViewerCallback::New();
    cbk->IV = this;
    this->InteractorStyle->AddObserver(vtkCommand::WindowLevelEvent, cbk);
    this->InteractorStyle->AddObserver(vtkCommand::StartWindowLevelEvent, cbk);
    this->InteractorStyle->AddObserver(vtkCommand::ResetWindowLevelEvent, cbk);
    cbk->Delete();
  }

  if (!this->Interactor)
  {
    this->Interactor = rwi;
    rwi->Register(this);
  }
  this->Interactor->SetInteractorStyle(this->InteractorStyle);
  this->Interactor->SetRenderWindow(this->RenderWindow);
}

//------------------------------------------------------------------------------
void vtkImageViewer::Render()