// =========================================================================
// @author Leonardo Florez Valencia
// @email florez-l@javeriana.edu.co
// =========================================================================

#ifndef __fpa__Image__VisualDebugger2D__hxx__
#define __fpa__Image__VisualDebugger2D__hxx__

#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>

// -------------------------------------------------------------------------
template< class _TFilter >
void fpa::Image::VisualDebugger2D< _TFilter >::
Render( )
{
#ifdef USE_ivq
  if( this->m_Renderer == NULL || this->m_Interactor == NULL )
    return;
  this->m_Actor->Modified( );
  this->m_RenderCount = ( this->m_RenderCount + 1 ) % this->m_NumberOfPixels;
  if( this->m_RenderCount == 0 )
    this->m_Interactor->Render( );
#endif // USE_ivq
}

// -------------------------------------------------------------------------
template< class _TFilter >
void fpa::Image::VisualDebugger2D< _TFilter >::
StartVisualization( )
{
#ifdef USE_ivq
  if( this->m_Renderer == NULL || this->m_Interactor == NULL )
    return;
  this->m_Actor = vtkSmartPointer< TImageActor >::New( );
  this->m_Actor->SetInputData( this->m_VTKLabels->GetOutput( ) );
  this->m_Actor->Update( );
  this->m_Renderer->AddViewProp( this->m_Actor );

  this->m_NumberOfPixels =
    double(
      this->m_VTKLabels->GetInput( )->
      GetRequestedRegion( ).GetNumberOfPixels( )
      ) * 0.005;
  this->m_RenderCount = 0;

#endif // USE_ivq
}

// -------------------------------------------------------------------------
template< class _TFilter >
void fpa::Image::VisualDebugger2D< _TFilter >::
EndVisualization( )
{
}

// -------------------------------------------------------------------------
template< class _TFilter >
fpa::Image::VisualDebugger2D< _TFilter >::
VisualDebugger2D( )
  : Superclass( )
{
}

// -------------------------------------------------------------------------
template< class _TFilter >
fpa::Image::VisualDebugger2D< _TFilter >::
~VisualDebugger2D( )
{
}

#endif // __fpa__Image__VisualDebugger2D__hxx__

// eof - $RCSfile$