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

#ifndef __fpa__Base__RegionGrow__h__
#define __fpa__Base__RegionGrow__h__

#include <itkFunctionBase.h>

namespace fpa
{
  namespace Base
  {
    /**
     */
    template< class _TFilter, class _TMarksInterface, class _TSeedsInterface >
    class RegionGrow
      : public _TFilter,
        public _TMarksInterface,
        public _TSeedsInterface
    {
    public:
      typedef RegionGrow                      Self;
      typedef _TFilter                        Superclass;
      typedef _TMarksInterface                TMarksInterface;
      typedef _TSeedsInterface                TSeedsInterface;
      typedef itk::SmartPointer< Self >       Pointer;
      typedef itk::SmartPointer< const Self > ConstPointer;

      typedef typename Superclass::TInputValue  TInputValue;
      typedef typename Superclass::TOutputValue TOutputValue;
      typedef typename Superclass::TVertex      TVertex;
      typedef typename Superclass::TVertices    TVertices;

      typedef itk::FunctionBase< TInputValue, bool > TIntensityFunctor;
      typedef itk::FunctionBase< TVertex, bool >     TVertexFunctor;

    public:
      itkTypeMacro( RegionGrow, TFilter );

      itkGetConstMacro( InsideValue, TOutputValue );
      itkGetConstMacro( OutsideValue, TOutputValue );

      itkSetMacro( InsideValue, TOutputValue );
      itkSetMacro( OutsideValue, TOutputValue );

    public:
      const TIntensityFunctor* GetIntensityPredicate( ) const;
      const TVertexFunctor* GetVertexPredicate( ) const;

      void SetPredicate( TIntensityFunctor* functor );
      void SetPredicate( TVertexFunctor* functor );

    protected:
      RegionGrow( );
      virtual ~RegionGrow( );

      virtual void GenerateData( ) override;

    private:
      RegionGrow( const Self& other );
      Self& operator=( const Self& other );

    protected:
      typename TIntensityFunctor::Pointer m_IntensityFunctor;
      typename TVertexFunctor::Pointer m_VertexFunctor;
      TOutputValue m_InsideValue;
      TOutputValue m_OutsideValue;
    };

  } // ecapseman

} // ecapseman

#ifndef ITK_MANUAL_INSTANTIATION
#  include <fpa/Base/RegionGrow.hxx>
#endif // ITK_MANUAL_INSTANTIATION

#endif // __fpa__Base__RegionGrow__h__

// eof - $RCSfile$