text: /*=========================================================================
   *
   *  Copyright Insight Software Consortium
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *         http://www.apache.org/licenses/LICENSE-2.0.txt
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *=========================================================================*/
  #ifndef itkInverse1DFFTImageFilter_h
  #define itkInverse1DFFTImageFilter_h
  
  #include <complex>
  
  #include "itkImageToImageFilter.h"
  
  namespace itk
  {
  /** \class Inverse1DFFTImageFilter
   * \brief Perform the Fast Fourier Transform, in the reverse direction, with
   * real output, but only along one dimension.
   *
   * \ingroup FourierTransform
   * \ingroup Ultrasound
   */
  template< typename TInputImage, typename TOutputImage=Image< typename NumericTraits< typename TInputImage::PixelType >::ValueType, TInputImage::ImageDimension > >
  class ITK_TEMPLATE_EXPORT Inverse1DFFTImageFilter:
    public ImageToImageFilter< TInputImage, TOutputImage >
  {
  public:
    ITK_DISALLOW_COPY_AND_ASSIGN(Inverse1DFFTImageFilter);
  
    /** Standard class typedefs. */
    typedef TInputImage                          InputImageType;
    typedef TOutputImage                         OutputImageType;
    typedef typename OutputImageType::RegionType OutputImageRegionType;
  
    typedef Inverse1DFFTImageFilter                               Self;
    typedef ImageToImageFilter< InputImageType, OutputImageType > Superclass;
    typedef SmartPointer< Self >                                  Pointer;
    typedef SmartPointer< const Self >                            ConstPointer;
  
    itkStaticConstMacro(ImageDimension, unsigned int, InputImageType::ImageDimension );
  
    itkTypeMacro( Inverse1DFFTImageFilter, ImageToImageFilter );
  
    /** Customized object creation methods that support configuration-based
      * selection of FFT implementation.
      *
      * Default implementation is VnlFFT1D.
      */
    static Pointer New(void);
  
    /** Get the direction in which the filter is to be applied. */
    itkGetMacro(Direction, unsigned int);
  
    /** Set the direction in which the filter is to be applied. */
    itkSetClampMacro(Direction, unsigned int, 0, ImageDimension - 1);
  
  protected:
    Inverse1DFFTImageFilter();
    virtual ~Inverse1DFFTImageFilter() {}
  
    void PrintSelf(std::ostream& os, Indent indent) const override;
  
    void GenerateInputRequestedRegion() override;
    void EnlargeOutputRequestedRegion(DataObject *output) override;
  
    /** Direction in which the filter is to be applied
     * this should be in the range [0,ImageDimension-1]. */
    unsigned int m_Direction;
  
  private:
  };
  }
  
  #ifndef ITK_MANUAL_INSTANTIATION
  #ifndef itkVnlInverse1DFFTImageFilter_h
  #ifndef itkVnlInverse1DFFTImageFilter_hxx
  #ifndef itkFFTWInverse1DFFTImageFilter_h
  #ifndef itkFFTWInverse1DFFTImageFilter_hxx
  #include "itkInverse1DFFTImageFilter.hxx"
  #endif
  #endif
  #endif
  #endif
  #endif
  
  #endif // itkInverse1DFFTImageFilter_h
  