#ifndef __fpa__Base__RegionGrow__h__
#define __fpa__Base__RegionGrow__h__

#include <queue>
#include <fpa/Base/QueueAlgorithm.h>
#include <fpa/Base/Functors/RegionGrow/Base.h>

namespace fpa
{
  namespace Base
  {
    /**
     */
    template< class _TSuperclass >
    class RegionGrow
      : public fpa::Base::QueueAlgorithm< _TSuperclass >
    {
    public:
      typedef RegionGrow                                Self;
      typedef fpa::Base::QueueAlgorithm< _TSuperclass > Superclass;
      typedef itk::SmartPointer< Self >                 Pointer;
      typedef itk::SmartPointer< const Self >           ConstPointer;

      typedef typename Superclass::TOutput TOutput;
      typedef typename Superclass::TVertex TVertex;
      typedef fpa::Base::Functors::RegionGrow::Base< TVertex, TOutput > TGrowFunction;

    protected:
      typedef typename Superclass::_TQueueNode _TQueueNode;

    public:
      itkTypeMacro( RegionGrow, Algorithm );

    public:
      TGrowFunction* GetGrowFunction( );
      const TGrowFunction* GetGrowFunction( ) const;
      TOutput GetInsideValue( ) const;
      TOutput GetOutsideValue( ) const;

      void SetGrowFunction( TGrowFunction* f );
      void SetInsideValue( const TOutput& v );
      void SetOutsideValue( const TOutput& v );

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

      virtual bool _UpdateValue(
        _TQueueNode& v, const _TQueueNode& p
        ) override;

    private:
      // Purposely not defined
      RegionGrow( const Self& other );
      Self& operator=( const Self& other );
    };

  } // ecapseman

} // ecapseman

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

#endif // __fpa__Base__RegionGrow__h__

// eof - $RCSfile$