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

#ifndef __fpa__Image__Functors__RegionGrow__Tautology__h__
#define __fpa__Image__Functors__RegionGrow__Tautology__h__

#include <itkFunctionBase.h>

namespace fpa
{
  namespace Image
  {
    namespace Functors
    {
      namespace RegionGrow
      {
        /**
         */
        template< class _TPixel >
        class Tautology
          : public itk::FunctionBase< _TPixel, bool >
        {
        public:
          typedef _TPixel  TPixel;

          typedef Tautology                         Self;
          typedef itk::FunctionBase< TPixel, bool > Superclass;
          typedef itk::SmartPointer< Self >         Pointer;
          typedef itk::SmartPointer< const Self >   ConstPointer;

        public:
          itkNewMacro( Self );
          itkTypeMacro(
            fpa::Image::Functors::RegionGrow::Tautology,
            itk::FunctionBase
            );

        public:
          virtual bool Evaluate( const TPixel& value ) const override
            { return( true ); }

        protected:
          Tautology( )
            : Superclass( )
            { }
          virtual ~Tautology( )
            { }

        private:
          // Purposely not implemented
          Tautology( const Self& other );
          Self& operator=( const Self& other );
        };

      } // ecapseman

    } // ecapseman

  } // ecapseman

} // ecapseman

#endif // __fpa__Image__Functors__RegionGrow__Tautology__h__

// eof - $RCSfile$