itkPermuteAxesImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkPermuteAxesImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:54 $
  Version:   $Revision: 1.5 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef _itkPermuteAxesImageFilter_h
#define _itkPermuteAxesImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkFixedArray.h"

namespace itk
{

template <class TImage>
class ITK_EXPORT PermuteAxesImageFilter :
    public ImageToImageFilter<TImage,TImage>
{

public:
  typedef PermuteAxesImageFilter         Self;
  typedef ImageToImageFilter<TImage,TImage>  Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);  

  itkTypeMacro(PermuteAxesImageFilter, ImageToImageFilter);

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

  typedef typename Superclass::InputImagePointer InputImagePointer;
  typedef typename Superclass::OutputImagePointer OutputImagePointer;
  typedef typename Superclass::OutputImageRegionType    OutputImageRegionType;

  typedef FixedArray<unsigned int, itkGetStaticConstMacro(ImageDimension)> PermuteOrderArrayType;

  void SetOrder( const PermuteOrderArrayType& order );

  itkGetConstReferenceMacro( Order, PermuteOrderArrayType );

  itkGetConstReferenceMacro( InverseOrder, PermuteOrderArrayType );


  virtual void GenerateOutputInformation();

  virtual void GenerateInputRequestedRegion();

protected:
  PermuteAxesImageFilter();
  ~PermuteAxesImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;

  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
                            int threadId );  

private:

  PermuteOrderArrayType  m_Order;
  PermuteOrderArrayType  m_InverseOrder;

};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPermuteAxesImageFilter.txx"
#endif
  
#endif

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