/usr/include/ITK-4.5/itkImageDuplicator.hxx is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkImageDuplicator_hxx
#define __itkImageDuplicator_hxx
#include "itkImageDuplicator.h"
#include "itkImageAlgorithm.h"
namespace itk
{
/** Constructor */
template< typename TInputImage >
ImageDuplicator< TInputImage >
::ImageDuplicator()
{
m_InputImage = NULL;
m_Output = NULL;
m_InternalImageTime = 0;
}
/** */
template< typename 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 ModifiedTimeType t1 = m_InputImage->GetPipelineMTime();
const ModifiedTimeType t2 = m_InputImage->GetMTime();
const ModifiedTimeType 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();
typename ImageType::RegionType region = m_InputImage->GetLargestPossibleRegion();
ImageAlgorithm::Copy(m_InputImage.GetPointer(),m_Output.GetPointer(),region,region);
}
template< typename 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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