// =========================================================================
// @author Leonardo Florez Valencia
// @email florez-l@javeriana.edu.co
// =========================================================================
#ifndef __ivq__VTK__ImageToFourierSeriesFilter__h__
#define __ivq__VTK__ImageToFourierSeriesFilter__h__

#include <ivq/ivq_export.h>
#include <vtkImageAlgorithm.h>

namespace ivq
{
  namespace VTK
  {
    /**
     */
    template< class _TFourierSeries >
    class IVQ_EXPORT ImageToFourierSeriesFilter
      : public vtkImageAlgorithm
    {
    public:
      typedef ImageToFourierSeriesFilter Self;
      typedef _TFourierSeries            TFourierSeries;

    public:
      vtkTypeMacro( ImageToFourierSeriesFilter, vtkImageAlgorithm );

    public:
      static Self* New( );

      const TFourierSeries& GetOutput( ) const;
      void SetNumberOfHarmonics( unsigned int q );
      unsigned int GetNumberOfHarmonics( ) const;
      const double& GetContourValue( ) const;
      void SetContourValue( const double& v );

    protected:
      ImageToFourierSeriesFilter( );
      virtual ~ImageToFourierSeriesFilter( );

      int RequestData(
        vtkInformation* information,
        vtkInformationVector** input,
        vtkInformationVector* output
        );
      int RequestInformation(
        vtkInformation* information,
        vtkInformationVector** input,
        vtkInformationVector* output
        );

    private:
      // Purposely not implemented
      ImageToFourierSeriesFilter( const Self& );
      void operator=( const Self& );

    protected:
      TFourierSeries m_FourierSeries;
      double         m_ContourValue;
    };

  } // ecapseman

} // ecapseman

#endif // __ivq__VTK__ImageToFourierSeriesFilter__h__

// eof - $RCSfile$