itkFFTComplexToComplexImageFilter.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 __itkFFTComplexToComplexImageFilter_h
#define __itkFFTComplexToComplexImageFilter_h

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

namespace itk
{
template< class TImage >
class FFTComplexToComplexImageFilter:
  public ImageToImageFilter< TImage, TImage >
{
public:
  typedef TImage ImageType;
  typedef TImage InputImageType;
  typedef TImage OutputImageType;

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

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

  itkTypeMacro(FFTComplexToComplexImageFilter, ImageToImageFilter);

  static Pointer New(void);

  typedef enum {
    DIRECT = 1,
    INVERSE
    }                                             TransformDirectionType;

  typedef typename ImageType::SizeType ImageSizeType;

  itkSetMacro(TransformDirection, TransformDirectionType);
  itkGetConstMacro(TransformDirection, TransformDirectionType);
protected:
  FFTComplexToComplexImageFilter() {}
  virtual ~FFTComplexToComplexImageFilter(){}

  virtual void GenerateOutputInformation(); // figure out allocation for output
                                            // image

  virtual void GenerateInputRequestedRegion();

  virtual bool FullMatrix() = 0; // must be implemented in child

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

  TransformDirectionType m_TransformDirection;
};
} // end namespace itk

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

#endif