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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkImageDuplicator.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:37 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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DEF |
#ifndef _itkImageDuplicator_txx |
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DEF |
#define _itkImageDuplicator_txx |
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#include "itkImageDuplicator.h" |
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namespace itk |
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{ |
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/** Constructor */ |
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template<class TInputImage> |
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ImageDuplicator<TInputImage> |
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::ImageDuplicator() |
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{ |
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m_InputImage = NULL; |
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m_Output = NULL; |
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m_InternalImageTime = 0; |
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} |
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/** */ |
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template<class TInputImage> |
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void |
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ImageDuplicator<TInputImage> |
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::Update(void) |
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{ |
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if(!m_InputImage ) |
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{ |
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itkExceptionMacro(<<"Input image has not been connected"); |
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return; |
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} |
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// Update only if the input image has been modified |
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unsigned long t, t1, t2; |
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t1 = m_InputImage->GetPipelineMTime(); |
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t2 = m_InputImage->GetMTime(); |
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t = (t1 > t2 ? t1 : t2); |
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if(t == m_InternalImageTime) |
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{ |
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return; // No need to update |
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} |
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// Cache the timestamp |
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m_InternalImageTime = t; |
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// Allocate the image |
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m_Output = ImageType::New(); |
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m_Output->SetOrigin(m_InputImage->GetOrigin()); |
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m_Output->SetSpacing(m_InputImage->GetSpacing()); |
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m_Output->SetDirection(m_InputImage->GetDirection()); |
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m_Output->SetLargestPossibleRegion(m_InputImage->GetLargestPossibleRegion()); |
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m_Output->SetRequestedRegion(m_InputImage->GetRequestedRegion()); |
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m_Output->SetBufferedRegion(m_InputImage->GetBufferedRegion()); |
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m_Output->Allocate(); |
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// Do the copy |
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unsigned long size = 1; |
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for(unsigned int i=0;i<itkGetStaticConstMacro(ImageDimension);i++) |
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{ |
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size *= m_InputImage->GetBufferedRegion().GetSize()[i]; |
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} |
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memcpy(m_Output->GetBufferPointer(),m_InputImage->GetBufferPointer(),size*sizeof(PixelType)); |
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} |
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template<class TInputImage> |
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void |
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ImageDuplicator<TInputImage> |
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::PrintSelf( std::ostream& os, Indent indent ) const |
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{ |
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Superclass::PrintSelf(os,indent); |
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os << indent << "Input Image: " << m_InputImage << std::endl; |
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os << indent << "Output Image: " << m_Output << std::endl; |
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os << indent << "Internal Image Time: " << m_InternalImageTime << std::endl; |
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} |
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} // end namespace itk |
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#endif |
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