US/USHardwareDiPhAS/ITKUltrasound/itkFFT1DComplexToComplexImageFilter.h

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/
/*=========================================================================
 *
 *  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 itkFFT1DComplexToComplexImageFilter_h
#define itkFFT1DComplexToComplexImageFilter_h

#include <complex>

#include "itkImage.h"
#include "itkImageToImageFilter.h"
#include "itkImageRegionSplitterDirection.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage=TInputImage >
class FFT1DComplexToComplexImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef TInputImage                          InputImageType;
  typedef TOutputImage                         OutputImageType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;

  typedef FFT1DComplexToComplexImageFilter                      Self;
  typedef ImageToImageFilter< InputImageType, OutputImageType > Superclass;
  typedef SmartPointer< Self >                                  Pointer;
  typedef SmartPointer< const Self >                            ConstPointer;

  itkStaticConstMacro(ImageDimension, unsigned int, InputImageType::ImageDimension );

  itkTypeMacro( FFT1DComplexToComplexImageFilter, ImageToImageFilter );

  static Pointer New();

  typedef enum { DIRECT = 1, INVERSE } TransformDirectionType;

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

  itkGetMacro(Direction, unsigned int);

  itkSetClampMacro(Direction, unsigned int, 0, ImageDimension - 1);

protected:
  FFT1DComplexToComplexImageFilter();
  virtual ~FFT1DComplexToComplexImageFilter() {}

  void PrintSelf(std::ostream& os, Indent indent) const ITK_OVERRIDE;

  virtual void GenerateInputRequestedRegion() ITK_OVERRIDE;
  virtual void EnlargeOutputRequestedRegion(DataObject *output) ITK_OVERRIDE;

  virtual void BeforeThreadedGenerateData() ITK_OVERRIDE;

  virtual const ImageRegionSplitterBase* GetImageRegionSplitter() const ITK_OVERRIDE;

  unsigned int m_Direction;

  TransformDirectionType m_TransformDirection;

private:
  FFT1DComplexToComplexImageFilter( const Self& );
  void operator=( const Self& );

  ImageRegionSplitterDirection::Pointer m_ImageRegionSplitter;
};
}

#ifndef ITK_MANUAL_INSTANTIATION
#ifndef itkVnlFFT1DComplexToComplexImageFilter_h
#ifndef itkVnlFFT1DComplexToComplexImageFilter_hxx
#ifndef itkFFTW1DComplexToComplexImageFilter_h
#ifndef itkFFTW1DComplexToComplexImageFilter_hxx
#include "itkFFT1DComplexToComplexImageFilter.hxx"
#endif
#endif
#endif
#endif
#endif

#endif // itkFFT1DComplexToComplexImageFilter_h