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

#ifndef __fpa__Base__MoriRegionGrow__h__
#define __fpa__Base__MoriRegionGrow__h__

namespace fpa
{
  namespace Base
  {
    /**
     */
    template< class _TFilter, class _TMarksInterface, class _TSeedsInterface >
    class MoriRegionGrow
      : public _TFilter,
        public _TMarksInterface,
        public _TSeedsInterface
    {
    public:
      typedef MoriRegionGrow                  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;

      struct TCurveData
      {
        TInputValue XValue;
        unsigned long YValue;
        double Diff1;
        TCurveData( TInputValue v, unsigned long c )
          {
            this->XValue = v;
            this->YValue = c;
            this->Diff1 = double( 0 );
          }
      };
      typedef std::vector< TCurveData > TCurve;

    public:
      itkTypeMacro( MoriRegionGrow, TFilter );

      itkGetConstMacro( LowerThreshold, TInputValue );
      itkGetConstMacro( UpperThreshold, TInputValue );
      itkGetConstMacro( DeltaThreshold, TInputValue );
      itkGetConstMacro( Curve, TCurve );
      itkGetConstMacro( OptimumThreshold, TInputValue );

      itkSetMacro( LowerThreshold, TInputValue );
      itkSetMacro( UpperThreshold, TInputValue );
      itkSetMacro( DeltaThreshold, TInputValue );

    public:
      void SetThresholdRange(
        const TInputValue& lower, const TInputValue& upper,
        const TInputValue& delta = TInputValue( 1 )
        );

    protected:
      MoriRegionGrow( );
      virtual ~MoriRegionGrow( );

      virtual void GenerateData( ) override;

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

    protected:
      TInputValue  m_LowerThreshold;
      TInputValue  m_UpperThreshold;
      TInputValue  m_DeltaThreshold;

      TCurve m_Curve;
      TInputValue  m_OptimumThreshold;
    };

  } // ecapseman

} // ecapseman

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

#endif // __fpa__Base__MoriRegionGrow__h__

// eof - $RCSfile$