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

#ifndef __fpa__Image__MarksInterface__hxx__
#define __fpa__Image__MarksInterface__hxx__

// -------------------------------------------------------------------------
template< unsigned int _VDim >
bool fpa::Image::MarksInterface< _VDim >::
_IsMarked( const TVertex& v ) const
{
  return( this->m_Marks->GetPixel( v ) != 0 );
}

// -------------------------------------------------------------------------
template< unsigned int _VDim >
unsigned long fpa::Image::MarksInterface< _VDim >::
_GetMark( const TVertex& v ) const
{
  return( this->m_Marks->GetPixel( v ) );
}

// -------------------------------------------------------------------------
template< unsigned int _VDim >
void fpa::Image::MarksInterface< _VDim >::
_Mark( const TVertex& v, unsigned long frontId )
{
  this->m_Marks->SetPixel( v, frontId );
}

// -------------------------------------------------------------------------
template< unsigned int _VDim >
void fpa::Image::MarksInterface< _VDim >::
_FreeMarks( )
{
  this->m_Marks = NULL;
}

// -------------------------------------------------------------------------
template< unsigned int _VDim >
void fpa::Image::MarksInterface< _VDim >::
_InitMarks( unsigned long nSeeds )
{
  this->Superclass::_InitMarks( nSeeds );

  // Try to guess input
  if( this->m_Filter == NULL )
    return;
  if( this->m_Filter->GetInputs( ).size( ) == 0 )
    return;
  itk::ImageBase< _VDim >* input =
    dynamic_cast< itk::ImageBase< _VDim >* >(
      this->m_Filter->GetInputs( )[ 0 ].GetPointer( )
      );
  if( input == NULL )
    return;

  // Reserve memory for marks
  this->m_Marks = TMarks::New( );
  this->m_Marks->CopyInformation( input );
  this->m_Marks->SetRequestedRegion( input->GetRequestedRegion( ) );
  this->m_Marks->SetBufferedRegion( input->GetBufferedRegion( ) );
  this->m_Marks->Allocate( );
  this->m_Marks->FillBuffer( 0 );
}

// -------------------------------------------------------------------------
template< unsigned int _VDim >
fpa::Image::MarksInterface< _VDim >::
MarksInterface( itk::ProcessObject* filter )
  : Superclass( filter )
{
}

// -------------------------------------------------------------------------
template< unsigned int _VDim >
fpa::Image::MarksInterface< _VDim >::
~MarksInterface( )
{
}

#endif // __fpa__Image__MarksInterface__hxx__

// eof - $RCSfile$