lib/fpa/Image/Functors/RegionGrow/BinaryThreshold.hxx

   1 #ifndef __fpa__Image__Functors__RegionGrow__BinaryThreshold__hxx__
   2 #define __fpa__Image__Functors__RegionGrow__BinaryThreshold__hxx__
   3
   4 #include <limits>
   5
   6 // -------------------------------------------------------------------------
   7 template< class _TImage >
   8 bool fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage >::
   9 Evaluate( const TIndex& a, const TIndex& b ) const
  10 {
  11   const _TImage* im =
  12     dynamic_cast< const _TImage* >( this->m_Image.GetPointer( ) );
  13   if( im != NULL )
  14   {
  15     TPixel v = im->GetPixel( b );
  16     return( this->m_Lower <= v && v <= this->m_Upper );
  17   }
  18   else
  19     return( false );
  20 }
  21
  22 // -------------------------------------------------------------------------
  23 template< class _TImage >
  24 fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage >::
  25 BinaryThreshold( )
  26   : Superclass( )
  27 {
  28   this->m_Upper = std::numeric_limits< TPixel >::max( );
  29   if( std::numeric_limits< TPixel >::is_integer )
  30     this->m_Lower = std::numeric_limits< TPixel >::min( );
  31   else
  32     this->m_Lower = -this->m_Upper;
  33 }
  34
  35 // -------------------------------------------------------------------------
  36 template< class _TImage >
  37 fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage >::
  38 ~BinaryThreshold( )
  39 {
  40 }
  41
  42 #endif // __fpa__Image__Functors__RegionGrow__BinaryThreshold__hxx__
  43
  44 // eof - $RCSfile$