/usr/include/InsightToolkit/Common/itkImageRegionConstIteratorWithIndex.txx is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkImageRegionConstIteratorWithIndex.txx
Language: C++
Date: $Date$
Version: $Revision$
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 __itkImageRegionConstIteratorWithIndex_txx
#define __itkImageRegionConstIteratorWithIndex_txx
#include "itkImageRegionConstIteratorWithIndex.h"
namespace itk
{
//----------------------------------------------------------------------
// Advance along the line
//----------------------------------------------------------------------
template<class TImage>
ImageRegionConstIteratorWithIndex<TImage> &
ImageRegionConstIteratorWithIndex<TImage>
::operator++()
{
this->m_Remaining = false;
for( unsigned int in=0; in<TImage::ImageDimension; in++ )
{
this->m_PositionIndex[ in ]++;
if( this->m_PositionIndex[ in ] < this->m_EndIndex[ in ] )
{
this->m_Position += this->m_OffsetTable[in];
this->m_Remaining = true;
break;
}
else
{
this->m_Position -= this->m_OffsetTable[ in ]
* ( static_cast<long>(this->m_Region.GetSize()[in])-1 );
this->m_PositionIndex[ in ] = this->m_BeginIndex[ in ];
}
}
if( !this->m_Remaining ) // It will not advance here otherwise
{
this->m_Position = this->m_End;
}
return *this;
}
//----------------------------------------------------------------------
// Advance along the line in reverse direction
//----------------------------------------------------------------------
template<class TImage>
ImageRegionConstIteratorWithIndex<TImage> &
ImageRegionConstIteratorWithIndex<TImage>
::operator--()
{
this->m_Remaining = false;
for( unsigned int in=0; in<TImage::ImageDimension; in++ )
{
if( this->m_PositionIndex[ in ] > this->m_BeginIndex[ in ] )
{
this->m_PositionIndex[ in ]--;
this->m_Position -= this->m_OffsetTable[in];
this->m_Remaining = true;
break;
}
else
{
this->m_Position += this->m_OffsetTable[ in ]
* ( static_cast<long>(this->m_Region.GetSize()[in])-1 );
this->m_PositionIndex[ in ] = this->m_EndIndex[ in ] - 1;
}
}
if( !this->m_Remaining ) // It will not advance here otherwise
{
this->m_Position = this->m_End;
}
return *this;
}
} // end namespace itk
#endif
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