itkReflectiveImageRegionConstIterator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkReflectiveImageRegionConstIterator.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:55 $
  Version:   $Revision: 1.8 $

  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 __itkReflectiveImageRegionConstIterator_h
#define __itkReflectiveImageRegionConstIterator_h

#include "itkImageConstIteratorWithIndex.h"

namespace itk
{

template<typename TImage>
class ITK_EXPORT ReflectiveImageRegionConstIterator : public ImageConstIteratorWithIndex<TImage>
{
public:
  typedef ReflectiveImageRegionConstIterator Self;
  typedef ImageConstIteratorWithIndex<TImage>  Superclass;

  typedef typename TImage::IndexType  IndexType;

  typedef TImage ImageType;

  typedef typename TImage::PixelContainer PixelContainer;
  typedef typename PixelContainer::Pointer PixelContainerPointer;

  typedef typename TImage::RegionType RegionType;

  typedef typename TImage::OffsetType           OffsetType;
  typedef typename OffsetType::OffsetValueType  OffsetValueType;

  ReflectiveImageRegionConstIterator() ;
  
  ~ReflectiveImageRegionConstIterator() {};
  
  ReflectiveImageRegionConstIterator( TImage *ptr, const RegionType& region );

  ReflectiveImageRegionConstIterator( const Self& it );
   

  ReflectiveImageRegionConstIterator(const ImageConstIteratorWithIndex<TImage> &it);

  Self &operator=(const Self& it);

  bool IsReflected(unsigned int) const;

  Self & operator++();

  void GoToBegin(void);

  bool IsAtBegin(void) const
  {
    return !m_Remaining;
  }

  void SetBeginOffset(const OffsetType& offset)
  { m_BeginOffset = offset; }

  void SetEndOffset(const OffsetType& offset)
  { m_EndOffset = offset; }

  OffsetType GetBeginOffset(const OffsetType& offset)
  { return m_BeginOffset; }

  OffsetType GetEndOffset(const OffsetType& offset)
  { return m_EndOffset; }

  void FillOffsets(const OffsetValueType &value);

private:
  bool m_IsFirstPass[TImage::ImageDimension];
  OffsetType m_BeginOffset;
  OffsetType m_EndOffset;
  
};

} // end namespace itk

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

#endif

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