itkVnlHalfHermitianToRealInverseFFTImageFilter.h

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 *  Copyright Insight Software Consortium
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 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
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 *         http://www.apache.org/licenses/LICENSE-2.0.txt
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 *  See the License for the specific language governing permissions and
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#ifndef __itkVnlHalfHermitianToRealInverseFFTImageFilter_h
#define __itkVnlHalfHermitianToRealInverseFFTImageFilter_h

#include "itkHalfHermitianToRealInverseFFTImageFilter.h"
#include "itkVnlFFTCommon.h"

#include "itkImage.h"
#include "vnl/algo/vnl_fft_base.h"

namespace itk
{
template< class TInputImage, class TOutputImage=Image< typename TInputImage::PixelType::value_type, TInputImage::ImageDimension> >
class VnlHalfHermitianToRealInverseFFTImageFilter:
  public HalfHermitianToRealInverseFFTImageFilter< TInputImage, TOutputImage >
{
public:
  typedef TInputImage                              InputImageType;
  typedef typename InputImageType::PixelType       InputPixelType;
  typedef typename InputImageType::SizeType        InputSizeType;
  typedef typename InputImageType::IndexType       InputIndexType;
  typedef typename InputImageType::SizeValueType   InputSizeValueType;
  typedef TOutputImage                             OutputImageType;
  typedef typename OutputImageType::PixelType      OutputPixelType;
  typedef typename OutputImageType::IndexType      OutputIndexType;
  typedef typename OutputImageType::SizeType       OutputSizeType;
  typedef typename OutputImageType::IndexValueType OutputIndexValueType;

  typedef VnlHalfHermitianToRealInverseFFTImageFilter                           Self;
  typedef HalfHermitianToRealInverseFFTImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                                                  Pointer;
  typedef SmartPointer< const Self >                                            ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(VnlHalfHermitianToRealInverseFFTImageFilter,
               HalfHermitianToRealInverseFFTImageFilter);

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);
  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro( PixelUnsignedIntDivisionOperatorsCheck,
                   ( Concept::DivisionOperators< OutputPixelType, unsigned int > ) );
  itkConceptMacro( ImageDimensionsMatchCheck,
                   ( Concept::SameDimension< InputImageDimension, OutputImageDimension > ) );

#endif

protected:
  VnlHalfHermitianToRealInverseFFTImageFilter()  {}
  virtual ~VnlHalfHermitianToRealInverseFFTImageFilter(){}

  virtual void GenerateData();

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

  typedef vnl_vector< InputPixelType  > SignalVectorType;
};
}

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

#endif