itkFFTW1DComplexToComplexImageFilter.h

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#ifndef __itkFFTW1DComplexToComplexImageFilter_h
#define __itkFFTW1DComplexToComplexImageFilter_h

#include "itkFFT1DComplexToComplexImageFilter.h"
#include "itkFFTWCommonExtended.h"

#include <vector>


namespace itk
{
template <class TPixel, unsigned int Dimension = 3>
class ITK_EXPORT FFTW1DComplexToComplexImageFilter :
    public FFT1DComplexToComplexImageFilter<TPixel,Dimension>
{
public:
  typedef FFTW1DComplexToComplexImageFilter Self;
  typedef FFT1DComplexToComplexImageFilter<TPixel,Dimension> Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self> ConstPointer;

  typedef typename Superclass::InputImageType InputImageType;
  typedef typename Superclass::OutputImageType OutputImageType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;

  typedef typename fftw::ComplexToComplexProxy<TPixel> FFTW1DProxyType;
  typedef typename std::vector< typename FFTW1DProxyType::PlanType > PlanArrayType;
  typedef typename std::vector< typename FFTW1DProxyType::ComplexType* > PlanBufferPointerType;

  itkNewMacro(Self);

  itkTypeMacro(FFTW1DComplexToComplexImageFilter,
               FFT1DComplexToComplexImageFilter);


protected:
  FFTW1DComplexToComplexImageFilter(): m_PlanComputed( false ),
    m_LastImageSize( 0 )
  {}
  virtual ~FFTW1DComplexToComplexImageFilter()
  {
  if ( m_PlanComputed )
    {
    this->DestroyPlans();
    }
  }

  virtual void BeforeThreadedGenerateData();
  virtual void ThreadedGenerateData( const OutputImageRegionType&, ThreadIdType threadID );  // generates output from input

private:
  FFTW1DComplexToComplexImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  void DestroyPlans();

  bool m_PlanComputed;
  PlanArrayType m_PlanArray;
  unsigned int m_LastImageSize;
  PlanBufferPointerType m_InputBufferArray;
  PlanBufferPointerType m_OutputBufferArray;
};

} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkFFTW1DComplexToComplexImageFilter.hxx"
#endif

#endif //__itkFFTW1DComplexToComplexImageFilter_h