#ifndef __fpa__Image__Functors__RegionGrow__BinaryThreshold__hxx__
#define __fpa__Image__Functors__RegionGrow__BinaryThreshold__hxx__

#include <limits>

// -------------------------------------------------------------------------
template< class _TImage >
bool fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage >::
Evaluate( const TIndex& a, const TIndex& b ) const
{
  const _TImage* im =
    dynamic_cast< const _TImage* >( this->m_Image.GetPointer( ) );
  if( im != NULL )
  {
    TPixel v = im->GetPixel( b );
    return( this->m_Lower <= v && v <= this->m_Upper );
  }
  else
    return( false );
}

// -------------------------------------------------------------------------
template< class _TImage >
fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage >::
BinaryThreshold( )
  : Superclass( )
{
  this->m_Upper = std::numeric_limits< TPixel >::max( );
  if( std::numeric_limits< TPixel >::is_integer )
    this->m_Lower = std::numeric_limits< TPixel >::min( );
  else
    this->m_Lower = -this->m_Upper;
}

// -------------------------------------------------------------------------
template< class _TImage >
fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage >::
~BinaryThreshold( )
{
}

#endif // __fpa__Image__Functors__RegionGrow__BinaryThreshold__hxx__

// eof - $RCSfile$