#include <cpExtensions/Visualization/ImageActor.h>
#include <cpExtensions/Visualization/ImageSliceMapper.h>

#include <vtkImageData.h>

// -------------------------------------------------------------------------
void cpExtensions::Visualization::ImageActor::
Modified( )
{
  if( this->m_Mapper->GetNumberOfInputConnections( 0 ) > 0 )
  {
    this->m_Mapper->Modified( );
    this->m_Mapper->Update( );
    this->Superclass::Modified( );

  } // fi
}

// -------------------------------------------------------------------------
int cpExtensions::Visualization::ImageActor::
GetOrientation( ) const
{
  return( this->m_Mapper->GetOrientation( ) );
}

// -------------------------------------------------------------------------
void cpExtensions::Visualization::ImageActor::
SetOrientation( int orientation )
{
  this->m_Mapper->SetOrientation( ( orientation < 3 )? orientation: 2 );
  this->Modified( );
}

// -------------------------------------------------------------------------
int cpExtensions::Visualization::ImageActor::
GetSliceNumber( ) const
{
  return( this->m_Mapper->GetSliceNumber( ) );
}

// -------------------------------------------------------------------------
void cpExtensions::Visualization::ImageActor::
SetSliceNumber( int slice )
{
  static int s = 0;
  auto image = this->m_Mapper->GetInput( );
  if( image != NULL )
  {
    // Update slice
    s = slice;
    if( s < this->m_Mapper->GetSliceNumberMinValue( ) )
      s = this->m_Mapper->GetSliceNumberMinValue( );
    if( s > this->m_Mapper->GetSliceNumberMaxValue( ) )
      s = this->m_Mapper->GetSliceNumberMaxValue( );
    this->m_Mapper->SetSliceNumber( s );
    this->InvokeEvent( vtkCommand::InteractionEvent, &s );

    // Propagate modifications
    this->Modified( );

  } // fi
}

// -------------------------------------------------------------------------
vtkPlane* cpExtensions::Visualization::ImageActor::
GetSlicePlane( )
{
  return( this->m_Mapper->GetSlicePlane( ) );
}

// -------------------------------------------------------------------------
const vtkPlane* cpExtensions::Visualization::ImageActor::
GetSlicePlane( ) const
{
  return( this->m_Mapper->GetSlicePlane( ) );
}

// -------------------------------------------------------------------------
cpExtensions::Visualization::ImageActor::
ImageActor( )
  : Superclass( )
{
  this->m_Mapper = vtkSmartPointer< ImageSliceMapper >::New( );
  this->SetMapper( this->m_Mapper );
}

// -------------------------------------------------------------------------
cpExtensions::Visualization::ImageActor::
~ImageActor( )
{
}

// eof - $RCSfile$