itkImageRegionIterator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageRegionIterator.h,v $
  Language:  C++
  Date:      $Date: 2002/09/30 12:43:58 $
  Version:   $Revision: 1.30 $

  Copyright (c) 2002 Insight 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 __itkImageRegionIterator_h
#define __itkImageRegionIterator_h

#include "itkImageRegionConstIterator.h"
#include "itkImageIteratorWithIndex.h"

namespace itk
{

template<typename TImage>
class ImageRegionIterator : public ImageRegionConstIterator<TImage>
{
public:
  typedef ImageRegionIterator Self;
  typedef ImageRegionConstIterator<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;


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

  ImageRegionIterator( const ImageIteratorWithIndex<TImage> &it);
  
  void Set( const PixelType & value) const  
    { m_PixelAccessor.Set(*(const_cast<InternalPixelType *>(m_Buffer+m_Offset)),value); }

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

  Self Begin(void) const;

  Self End(void) const;


protected:
  ImageRegionIterator( const ImageRegionConstIterator<TImage> &it);
  Self & operator=(const ImageRegionConstIterator<TImage> & it);
 

};

} // end namespace itk

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

#endif 

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