itkComplexToComplexFFTImageFilter.h

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/*=========================================================================
 *
 *  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 itkComplexToComplexFFTImageFilter_h
#define itkComplexToComplexFFTImageFilter_h

#include "itkImageToImageFilter.h"
#include <complex>

namespace itk
{

template< typename TImage >
class ITK_TEMPLATE_EXPORT ComplexToComplexFFTImageFilter:
  public ImageToImageFilter< TImage, TImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(ComplexToComplexFFTImageFilter);

  using ImageType = TImage;
  using InputImageType = TImage;
  using OutputImageType = TImage;

  using Self = ComplexToComplexFFTImageFilter;
  using Superclass = ImageToImageFilter< InputImageType, OutputImageType >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  static constexpr unsigned int ImageDimension = InputImageType::ImageDimension;

  itkTypeMacro(ComplexToComplexFFTImageFilter, ImageToImageFilter);

  static Pointer New();

  enum TransformDirectionType {
    FORWARD = 1,
    INVERSE = 2
    };

  using ImageSizeType = typename ImageType::SizeType;

  itkSetMacro(TransformDirection, TransformDirectionType);
  itkGetConstMacro(TransformDirection, TransformDirectionType);

protected:
  ComplexToComplexFFTImageFilter():
    m_TransformDirection( FORWARD ) {}

  void GenerateInputRequestedRegion() override;

private:
  TransformDirectionType m_TransformDirection;
};

} // end namespace itk

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

#endif