itkOrientImageFilter.h

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

Program:   Insight Segmentation & Registration Toolkit
Module:    $RCSfile: itkOrientImageFilter.h,v $
Language:  C++
Date:      $Date: 2004/01/09 00:41:24 $
Version:   $Revision: 1.2 $

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 __itkOrientImageFilter_h
#define __itkOrientImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkIOCommon.h"
#include "itkPermuteAxesImageFilter.h"
#include "itkFlipImageFilter.h"
#include "itkSpatialOrientation.h"

namespace itk {

template<class TInputImage, class TOutputImage>
class ITK_EXPORT OrientImageFilter :
    public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef OrientImageFilter Self;
  typedef ImageToImageFilter<TInputImage, TOutputImage>
  Superclass;
  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  typedef TInputImage InputImageType;
  typedef TOutputImage OutputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename InputImageType::ConstPointer    InputImageConstPointer;
  typedef typename InputImageType::RegionType      InputImageRegionType;
  typedef typename InputImageType::PixelType       InputImagePixelType;
  typedef typename OutputImageType::Pointer        OutputImagePointer;
  typedef typename OutputImageType::ConstPointer   OutputImageConstPointer;
  typedef typename OutputImageType::RegionType     OutputImageRegionType;
  typedef typename OutputImageType::PixelType      OutputImagePixelType;
  typedef SpatialOrientation::ValidCoordinateOrientationFlags
  CoordinateOrientationCode;
  typedef PermuteAxesImageFilter< TInputImage > PermuterType;
  typedef typename PermuterType::PermuteOrderArrayType PermuteOrderArrayType;

  typedef FlipImageFilter< TInputImage > FlipperType;
  typedef typename FlipperType::FlipAxesArrayType  FlipAxesArrayType;

  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  itkNewMacro(Self);

  itkTypeMacro(OrientImageFilter, ImageToImageFilter);

  itkGetMacro(GivenCoordinateOrientation, CoordinateOrientationCode);
  void SetGivenCoordinateOrientation(CoordinateOrientationCode newCode);
  itkGetMacro(DesiredCoordinateOrientation, CoordinateOrientationCode);
  void SetDesiredCoordinateOrientation(CoordinateOrientationCode newCode);

  itkGetConstReferenceMacro( PermuteOrder, PermuteOrderArrayType );

  itkGetConstReferenceMacro( FlipAxes, FlipAxesArrayType );

  virtual void GenerateOutputInformation();

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

  void GenerateInputRequestedRegion() ;

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));

  /*** Member functions used by GenerateData: */
  void DeterminePermutationsAndFlips(const SpatialOrientation::ValidCoordinateOrientationFlags fixed_orient, const SpatialOrientation::ValidCoordinateOrientationFlags moving_orient);
  bool NeedToPermute();
  bool NeedToFlip();


  void GenerateData();


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

  CoordinateOrientationCode     m_GivenCoordinateOrientation;
  CoordinateOrientationCode     m_DesiredCoordinateOrientation;

  PermuteOrderArrayType              m_PermuteOrder;
  FlipAxesArrayType                  m_FlipAxes;
} ; // end of class

} // end namespace itk

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

#endif

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