/usr/include/InsightToolkit/Common/itkImageDuplicator.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 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkImageDuplicator.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 __itkImageDuplicator_txx
#define __itkImageDuplicator_txx
#include "itkImageDuplicator.h"
namespace itk
{
/** Constructor */
template< class TInputImage >
ImageDuplicator< TInputImage >
::ImageDuplicator()
{
m_InputImage = NULL;
m_Output = NULL;
m_InternalImageTime = 0;
}
/** */
template< class TInputImage >
void
ImageDuplicator< TInputImage >
::Update(void)
{
if ( !m_InputImage )
{
itkExceptionMacro(<< "Input image has not been connected");
return;
}
// Update only if the input image has been modified
const unsigned long t1 = m_InputImage->GetPipelineMTime();
const unsigned long t2 = m_InputImage->GetMTime();
const unsigned long t = ( t1 > t2 ? t1 : t2 );
if ( t == m_InternalImageTime )
{
return; // No need to update
}
// Cache the timestamp
m_InternalImageTime = t;
// Allocate the image
m_Output = ImageType::New();
m_Output->CopyInformation( m_InputImage );
m_Output->SetRequestedRegion( m_InputImage->GetRequestedRegion() );
m_Output->SetBufferedRegion( m_InputImage->GetBufferedRegion() );
m_Output->Allocate();
// Do the copy
typedef typename TInputImage::PixelContainer PixelContainer;
const PixelContainer * pixelContainer = m_InputImage->GetPixelContainer();
// This is the number of pixels times the number of components per pixel
const typename TInputImage::SizeValueType sizeInNumberOfComponents = pixelContainer->Size();
// This must be the internal pixel type, which is the one that we actually
// use for allocating internal buffers.
typedef typename TInputImage::InternalPixelType InternalPixelType;
const typename TInputImage::SizeValueType sizeOfComponentInBytes = sizeof( InternalPixelType );
const typename TInputImage::SizeValueType sizeInNumberOfBytes = sizeInNumberOfComponents * sizeOfComponentInBytes;
memcpy( m_Output->GetBufferPointer(), m_InputImage->GetBufferPointer(), sizeInNumberOfBytes );
}
template< class TInputImage >
void
ImageDuplicator< TInputImage >
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Input Image: " << m_InputImage << std::endl;
os << indent << "Output Image: " << m_Output << std::endl;
os << indent << "Internal Image Time: " << m_InternalImageTime << std::endl;
}
} // end namespace itk
#endif
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