#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( ) );
}

#include <vtkPropCollection.h>
#include <typeinfo>

// -------------------------------------------------------------------------
void cpExtensions::Visualization::ImageActor::
SetSliceNumber( int slice )
{
  static int mySlice;
  auto image = this->m_Mapper->GetInput( );
  if( image != NULL )
  {
    // Update slice
    int 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 );

    // Update display extent
    /* TODO
       int ext[ 6 ];
       image->GetExtent( ext );
       int o = this->m_Mapper->GetOrientation( );
       ext[ o << 1 ] = ext[ ( o << 1 ) + 1 ] = s;
       this->SetDisplayExtent( ext );
    */

    // Propagate modifications
    this->Modified( );
    mySlice = slice;
    this->InvokeEvent( vtkCommand::InteractionEvent, &mySlice );

  } // 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 - $RCSfile$