itkImageRegionReverseIterator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageRegionReverseIterator.h,v $
  Language:  C++
  Date:      $Date: 2008-10-18 21:13:25 $
  Version:   $Revision: 1.17 $

  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 __itkImageRegionReverseIterator_h
#define __itkImageRegionReverseIterator_h

#include "itkImageRegionReverseConstIterator.h"
#include "itkImageConstIterator.h"

namespace itk
{

template<typename TImage>
class ITK_EXPORT ImageRegionReverseIterator : public ImageRegionReverseConstIterator<TImage>
{
public:
  typedef ImageRegionReverseIterator                  Self;
  typedef ImageRegionReverseConstIterator<TImage>     Superclass;

  typedef typename Superclass::IndexType              IndexType;
  typedef typename Superclass::IndexValueType         IndexValueType;
  typedef typename Superclass::SizeType               SizeType;
  typedef typename Superclass::SizeValueType          SizeValueType;
  typedef typename Superclass::OffsetType             OffsetType;
  typedef typename Superclass::OffsetValueType        OffsetValueType;
  typedef typename Superclass::RegionType             RegionType;
  typedef typename Superclass::ImageType              ImageType;
  typedef typename Superclass::PixelContainer         PixelContainer;
  typedef typename Superclass::PixelContainerPointer  PixelContainerPointer;
  typedef typename Superclass::InternalPixelType      InternalPixelType;
  typedef typename Superclass::PixelType              PixelType;
  typedef typename Superclass::AccessorType           AccessorType;


  ImageRegionReverseIterator();

  ImageRegionReverseIterator(ImageType *ptr, const RegionType& region);

  ImageRegionReverseIterator( const ImageConstIterator<TImage> &it);

  void Set( const PixelType & value) const  
    { this->m_PixelAccessor.Set(*const_cast<InternalPixelType  *>((this->m_Buffer+this->m_Offset)),value); }

  PixelType & Value(void) 
    { return *const_cast<InternalPixelType  *>((this->m_Buffer+this->m_Offset)); }

  Self Begin(void) const;

  Self End(void) const;


protected:
  ImageRegionReverseIterator( const ImageRegionReverseConstIterator<TImage> &it);
  Self & operator=(const ImageRegionReverseConstIterator<TImage> & it);


};

} // end namespace itk

// Define instantiation macro for this template.
#define ITK_TEMPLATE_ImageRegionReverseIterator(_, EXPORT, x, y) namespace itk { \
  _(1(class EXPORT ImageRegionReverseIterator< ITK_TEMPLATE_1 x >)) \
  namespace Templates { typedef ImageRegionReverseIterator< ITK_TEMPLATE_1 x > ImageRegionReverseIterator##y; } \
  }

#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkImageRegionReverseIterator+-.h"
#endif

#if ITK_TEMPLATE_TXX
# include "itkImageRegionReverseIterator.txx"
#endif

#endif