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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkInPlaceImageFilter.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:40 $ |
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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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Portions of this code are covered under the VTK copyright. |
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See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.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 _itkInPlaceImageFilter_txx |
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#define _itkInPlaceImageFilter_txx |
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#include "itkInPlaceImageFilter.h" |
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namespace itk |
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{ |
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/** |
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* |
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*/ |
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template <class TInputImage, class TOutputImage> |
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InPlaceImageFilter<TInputImage, TOutputImage> |
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::InPlaceImageFilter() |
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**: m_InPlace(true) |
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{ |
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} |
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/** |
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* |
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*/ |
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template <class TInputImage, class TOutputImage> |
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InPlaceImageFilter<TInputImage, TOutputImage> |
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::~InPlaceImageFilter() |
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{ |
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} |
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template<class TInputImage, class TOutputImage> |
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void |
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InPlaceImageFilter<TInputImage, TOutputImage> |
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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 << "InPlace: " << (m_InPlace ? "On" : "Off") << std::endl; |
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if ( this->CanRunInPlace()) |
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{ |
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os << indent << "The input and output to this filter are the same type. The filter can be run in place." << std::endl; |
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} |
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else |
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{ |
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os << indent << "The input and output to this filter are different types. The filter cannot be run in place." << std::endl; |
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} |
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} |
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template<class TInputImage, class TOutputImage> |
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void |
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InPlaceImageFilter<TInputImage, TOutputImage> |
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::AllocateOutputs() |
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{ |
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// if told to run in place and the types support it, |
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if (m_InPlace && (typeid(TInputImage) == typeid(TOutputImage))) |
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{ |
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// Graft this first input to the output. Later, we'll need to |
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// remove the input's hold on the bulk data. |
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// |
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OutputImagePointer inputAsOutput |
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******= dynamic_cast<TOutputImage *>(const_cast<TInputImage *>(this->GetInput())); |
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if (inputAsOutput) |
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{ |
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this->GraftOutput( inputAsOutput ); |
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} |
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else |
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{ |
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// if we cannot cast the input to an output type, then allocate |
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// an output usual. |
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OutputImagePointer outputPtr; |
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outputPtr = this->GetOutput(0); |
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outputPtr->SetBufferedRegion(outputPtr->GetRequestedRegion()); |
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outputPtr->Allocate(); |
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} |
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// If there are more than one outputs, allocate the remaining outputs |
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for (unsigned int i=1; i < this->GetNumberOfOutputs(); i++) |
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{ |
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OutputImagePointer outputPtr; |
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outputPtr = this->GetOutput(i); |
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outputPtr->SetBufferedRegion(outputPtr->GetRequestedRegion()); |
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outputPtr->Allocate(); |
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} |
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} |
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else |
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{ |
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Superclass::AllocateOutputs(); |
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} |
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} |
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template<class TInputImage, class TOutputImage> |
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void |
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InPlaceImageFilter<TInputImage, TOutputImage> |
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::ReleaseInputs() |
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{ |
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// if told to run in place and the types support it, |
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if (m_InPlace && (typeid(TInputImage) == typeid(TOutputImage))) |
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{ |
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// Release any input where the ReleaseData flag has been set |
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ProcessObject::ReleaseInputs(); |
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// Release input 0 by default since we overwrote it |
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TInputImage * ptr = const_cast<TInputImage*>( this->GetInput() ); |
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if( ptr ) |
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{ |
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ptr->ReleaseData(); |
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} |
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} |
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else |
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{ |
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Superclass::ReleaseInputs(); |
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} |
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} |
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} // end namespace itk |
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#endif |
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