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

#ifndef __fpa__Base__MarksInterface__h__
#define __fpa__Base__MarksInterface__h__

#include <itkProcessObject.h>

namespace fpa
{
  namespace Base
  {
    /**
     */
    template< class _TVertex >
    class MarksInterface
    {
    public:
      typedef _TVertex       TVertex;
      typedef MarksInterface Self;

    protected:
      MarksInterface( itk::ProcessObject* filter );
      virtual ~MarksInterface( );

      virtual bool _IsMarked( const TVertex& v ) const = 0;
      virtual unsigned long _GetMark( const TVertex& v ) const = 0;
      virtual void _Mark( const TVertex& v, unsigned long frontId ) = 0;

      virtual void _InitMarks( unsigned long nSeeds );
      virtual bool _Collisions( const TVertex& a, const TVertex& b );

    protected:
      unsigned int m_NumberOfSeeds;
      itk::ProcessObject* m_Filter;
    };

  } // ecapseman

} // ecapseman

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

#endif // __fpa__Base__MarksInterface__h__

// eof - $RCSfile$