itkImageIterator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageIterator.h,v $
  Language:  C++
  Date:      $Date: 2002/09/30 12:43:58 $
  Version:   $Revision: 1.44 $

  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 __itkImageIterator_h
#define __itkImageIterator_h

#include "itkImageConstIterator.h"

namespace itk
{

template<typename TImage>
class ImageIterator : public ImageConstIterator<TImage> {
public:
  typedef ImageIterator Self;

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

  typedef ImageConstIterator<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;


  ImageIterator();

  ~ImageIterator() {};


  ImageIterator(const Self& it);

  ImageIterator(TImage *ptr, const RegionType& region);

  Self &operator=(const Self& 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;

  ImageType * GetImage() const
    { return const_cast<ImageType *>( m_Image.GetPointer() ); };


protected:

  ImageIterator(const ImageConstIterator<TImage> & it);
  Self &operator=(const ImageConstIterator<TImage> & it);
};

} // end namespace itk

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

#endif 

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