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, class _TOutput >
   8 _TOutput
   9 fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage, _TOutput >::
  10 Evaluate( const TIndex& a, const TIndex& b ) const
  11 {
  12   const _TImage* im =
  13     dynamic_cast< const _TImage* >( this->m_Image.GetPointer( ) );
  14   if( im != NULL )
  15   {
  16     TPixel v = im->GetPixel( b );
  17     return(
  18       ( this->m_Lower <= v && v <= this->m_Upper )?
  19       this->m_InsideValue:
  20       this->m_OutsideValue
  21       );
  22   }
  23   else
  24     return( this->m_OutsideValue );
  25 }
  26
  27 // -------------------------------------------------------------------------
  28 template< class _TImage, class _TOutput >
  29 fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage, _TOutput >::
  30 BinaryThreshold( )
  31   : Superclass( )
  32 {
  33   this->m_Upper = std::numeric_limits< TPixel >::max( );
  34   if( std::numeric_limits< TPixel >::is_integer )
  35     this->m_Lower = std::numeric_limits< TPixel >::min( );
  36   else
  37     this->m_Lower = -this->m_Upper;
  38 }
  39
  40 // -------------------------------------------------------------------------
  41 template< class _TImage, class _TOutput >
  42 fpa::Image::Functors::RegionGrow::BinaryThreshold< _TImage, _TOutput >::
  43 ~BinaryThreshold( )
  44 {
  45 }
  46
  47 #endif // __fpa__Image__Functors__RegionGrow__BinaryThreshold__hxx__
  48
  49 // eof - $RCSfile$