/usr/include/InsightToolkit/Common/itkNeighborhood.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkNeighborhood.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 __itkNeighborhood_txx
#define __itkNeighborhood_txx
#include "itkNeighborhood.h"
#include <cstring>
namespace itk {
template<class TPixel, unsigned int VDimension, class TContainer>
void
Neighborhood<TPixel, VDimension, TContainer>
::ComputeNeighborhoodStrideTable()
{
unsigned stride, accum;
for (unsigned int dim = 0; dim < VDimension; ++dim)
{
stride = 0;
accum = 1;
for (unsigned int i=0; i<VDimension; ++i)
{
if (i == dim) stride = accum;
accum *= m_Size[i];
}
m_StrideTable[dim] = stride;
}
}
template<class TPixel, unsigned int VDimension, class TContainer>
void Neighborhood<TPixel, VDimension, TContainer>
::ComputeNeighborhoodOffsetTable()
{
m_OffsetTable.clear();
m_OffsetTable.reserve(this->Size());
OffsetType o;
unsigned int i, j;
for (j = 0; j < VDimension; j++)
{
o[j] = -(static_cast<long>(this->GetRadius(j)));
}
for (i = 0; i < this->Size(); ++i)
{
m_OffsetTable.push_back(o);
for (j= 0; j< VDimension; j++)
{
o[j] = o[j] + 1;
if (o[j] > static_cast<long>(this->GetRadius(j)))
{
o[j] = -(static_cast<long>(this->GetRadius(j)));
}
else break;
}
}
}
template<class TPixel, unsigned int VDimension, class TContainer>
void
Neighborhood<TPixel, VDimension, TContainer>
::SetRadius(const unsigned long s)
{
SizeType k;
for (unsigned int i = 0; i< VDimension; i++)
{
k[i] = s;
}
this->SetRadius(k);
}
template<class TPixel, unsigned int VDimension, class TContainer>
void
Neighborhood<TPixel, VDimension, TContainer>
::SetRadius(const SizeType &r)
{
memcpy(m_Radius.m_Size, r.m_Size, sizeof(const unsigned long)*VDimension);
this->SetSize();
unsigned int cumul=1;
for (unsigned int i = 0; i<VDimension; i++)
{
cumul *= m_Size[i];
}
this->Allocate(cumul);
this->ComputeNeighborhoodStrideTable();
this->ComputeNeighborhoodOffsetTable();
}
template<class TPixel, unsigned int VDimension, class TContainer>
Neighborhood<TPixel, VDimension, TContainer>
::Neighborhood(const Self &other)
{
m_Radius = other.m_Radius;
m_Size = other.m_Size;
m_DataBuffer = other.m_DataBuffer;
::memcpy(m_StrideTable, other.m_StrideTable, sizeof(unsigned int) * VDimension);
m_OffsetTable = other.m_OffsetTable;
}
template<class TPixel, unsigned int VDimension, class TContainer>
Neighborhood<TPixel, VDimension, TContainer> &
Neighborhood<TPixel, VDimension, TContainer>
::operator=(const Self &other)
{
m_Radius = other.m_Radius;
m_Size = other.m_Size;
m_DataBuffer = other.m_DataBuffer;
::memcpy(m_StrideTable, other.m_StrideTable, sizeof(unsigned int) * VDimension);
m_OffsetTable = other.m_OffsetTable;
return *this;
}
template<class TPixel, unsigned int VDimension, class TContainer>
std::slice Neighborhood<TPixel, VDimension, TContainer>
::GetSlice(unsigned int d) const
{
unsigned int n = this->Size()/2;
n = n - ( static_cast<unsigned>(this->GetStride(d))
* (static_cast<unsigned>(this->GetSize()[d] / 2) ) );
return std::slice(static_cast<size_t>(n),
static_cast<size_t>(this->GetSize()[d]),
static_cast<size_t>(this->GetStride(d)) );
}
template<class TPixel, unsigned int VDimension, class TContainer>
unsigned int Neighborhood<TPixel, VDimension, TContainer>
::GetNeighborhoodIndex(const OffsetType &o) const
{
unsigned int idx = (this->Size()/2);
for (unsigned i = 0; i < VDimension; ++i)
{
idx += o[i] * static_cast<long>(m_StrideTable[i]);
}
return idx;
}
template<class TPixel, unsigned int VDimension, class TContainer>
void Neighborhood<TPixel, VDimension, TContainer>
::PrintSelf(std::ostream &os, Indent indent) const
{
unsigned int i;
os << indent << "m_Size: [ ";
for (i=0; i<VDimension; ++i) os << m_Size[i] << " ";
os << "]" << std::endl;
os << indent << "m_Radius: [ ";
for (i=0; i<VDimension; ++i) os << m_Radius[i] << " ";
os << "]" << std::endl;
os << indent << "m_StrideTable: [ ";
for (i=0; i<VDimension; ++i) os << m_StrideTable[i] << " ";
os << "]" << std::endl;
os << indent << "m_OffsetTable: [ ";
for (i=0; i< m_OffsetTable.size(); ++i) os << m_OffsetTable[i] << " ";
os << "]" << std::endl;
}
} // namespace itk
#endif
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