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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkImageLinearConstIteratorWithIndex.txx,v $
Language: C++
Date: $Date: 2006-11-15 21:59:09 $
Version: $Revision: 1.20 $
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 _itkImageLinearConstIteratorWithIndex_txx
#define _itkImageLinearConstIteratorWithIndex_txx
#include "itkImageLinearConstIteratorWithIndex.h"
namespace itk
{
//----------------------------------------------------------------------
// Constructor
//----------------------------------------------------------------------
template<class TImage>
ImageLinearConstIteratorWithIndex<TImage>
::ImageLinearConstIteratorWithIndex(
const ImageType *ptr,
const RegionType& region )
: ImageConstIteratorWithIndex<TImage>( ptr, region )
{
this->SetDirection( 0 );
}
//----------------------------------------------------------------------
// Go to the last pixel of the current line
//----------------------------------------------------------------------
template<class TImage>
void
ImageLinearConstIteratorWithIndex<TImage>
::GoToReverseBeginOfLine(void)
{
long distanceToEnd =
this->m_EndIndex[ m_Direction ] - this->m_PositionIndex[ m_Direction ] - 1;
this->m_Position += m_Jump * distanceToEnd;
this->m_PositionIndex[m_Direction] = this->m_EndIndex[m_Direction] - 1;
}
//----------------------------------------------------------------------
// Go to the first pixel of the current line
//----------------------------------------------------------------------
template<class TImage>
void
ImageLinearConstIteratorWithIndex<TImage>
::GoToBeginOfLine(void)
{
long distanceToBegin =
this->m_PositionIndex[ m_Direction ] - this->m_BeginIndex[ m_Direction ];
this->m_Position -= m_Jump * distanceToBegin;
this->m_PositionIndex[m_Direction] = this->m_BeginIndex[m_Direction];
}
//----------------------------------------------------------------------
// Pass to the past last pixel of the current line
//----------------------------------------------------------------------
template<class TImage>
void
ImageLinearConstIteratorWithIndex<TImage>
::GoToEndOfLine(void)
{
long distanceToEnd =
this->m_EndIndex[ m_Direction ] - this->m_PositionIndex[ m_Direction ];
this->m_Position += m_Jump * distanceToEnd;
this->m_PositionIndex[m_Direction] = this->m_EndIndex[m_Direction];
}
} // end namespace itk
#endif
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