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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkImageToImageFilter.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 _itkImageToImageFilter_txx |
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DEF |
#define _itkImageToImageFilter_txx |
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#include "itkImageToImageFilter.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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ImageToImageFilter<TInputImage,TOutputImage> |
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::ImageToImageFilter() |
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{ |
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// Modify superclass default values, can be overridden by subclasses |
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this->SetNumberOfRequiredInputs(1); |
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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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ImageToImageFilter<TInputImage,TOutputImage> |
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::~ImageToImageFilter() |
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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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void |
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ImageToImageFilter<TInputImage,TOutputImage> |
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::SetInput(const InputImageType *input) |
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{ |
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// Process object is not const-correct so the const_cast is required here |
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this->ProcessObject::SetNthInput(0, |
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const_cast< InputImageType * >( input ) ); |
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} |
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/** |
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* Connect one of the operands for pixel-wise addition |
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*/ |
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template <class TInputImage, class TOutputImage> |
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void |
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ImageToImageFilter<TInputImage,TOutputImage> |
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::SetInput( unsigned int index, const TInputImage * image ) |
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{ |
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// Process object is not const-correct so the const_cast is required here |
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this->ProcessObject::SetNthInput(index, |
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const_cast< TInputImage *>( image ) ); |
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} |
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EML |
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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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const typename ImageToImageFilter<TInputImage,TOutputImage>::InputImageType * |
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ImageToImageFilter<TInputImage,TOutputImage> |
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::GetInput(void) |
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{ |
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if (this->GetNumberOfInputs() < 1) |
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{ |
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return 0; |
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} |
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return static_cast<const TInputImage * > |
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****(this->ProcessObject::GetInput(0) ); |
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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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const typename ImageToImageFilter<TInputImage,TOutputImage>::InputImageType * |
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ImageToImageFilter<TInputImage,TOutputImage> |
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::GetInput(unsigned int idx) |
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{ |
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return static_cast< const TInputImage * > |
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****(this->ProcessObject::GetInput(idx)); |
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} |
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EML |
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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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ImageToImageFilter<TInputImage,TOutputImage> |
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::GenerateInputRequestedRegion() |
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{ |
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Superclass::GenerateInputRequestedRegion(); |
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for (unsigned int idx = 0; idx < this->GetNumberOfInputs(); ++idx) |
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{ |
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if (this->GetInput(idx)) |
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{ |
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// Check whether the input is an image of the appropriate |
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// dimension (use ProcessObject's version of the GetInput() |
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// method since it returns the input as a pointer to a |
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// DataObject as opposed to the subclass version which |
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// static_casts the input to an TInputImage). |
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typedef ImageBase<InputImageDimension> ImageBaseType; |
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typename ImageBaseType::ConstPointer constInput |
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********= dynamic_cast< ImageBaseType const *>( this->ProcessObject::GetInput(idx) ); |
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// If not an image, skip it, and let a subclass of |
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// ImageToImageFilter handle this input. |
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if (constInput.IsNull() ) |
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{ |
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continue; |
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} |
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// Input is an image, cast away the constness so we can set |
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// the requested region. |
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InputImagePointer input = |
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********const_cast< TInputImage * > ( this->GetInput(idx) ); |
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// Use the function object RegionCopier to copy the output region |
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// to the input. The default region copier has default implementations |
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// to handle the cases where the input and output are the same |
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// dimension, the input a higher dimension than the output, and the |
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// input a lower dimension than the output. |
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InputImageRegionType inputRegion; |
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this->CallCopyOutputRegionToInputRegion(inputRegion, this->GetOutput()->GetRequestedRegion()); |
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input->SetRequestedRegion( inputRegion ); |
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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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void |
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ImageToImageFilter<TInputImage,TOutputImage> |
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::CallCopyOutputRegionToInputRegion(InputImageRegionType &destRegion, |
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const OutputImageRegionType &srcRegion) |
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{ |
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OutputToInputRegionCopierType regionCopier; |
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regionCopier(destRegion, srcRegion); |
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} |
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template<class TInputImage, class TOutputImage> |
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void |
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ImageToImageFilter<TInputImage,TOutputImage> |
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::CallCopyInputRegionToOutputRegion(OutputImageRegionType &destRegion, |
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const InputImageRegionType &srcRegion) |
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{ |
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InputToOutputRegionCopierType regionCopier; |
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regionCopier(destRegion, srcRegion); |
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} |
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template<class TInputImage, class TOutputImage> |
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void |
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ImageToImageFilter<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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} |
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EML |
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} // end namespace itk |
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#endif |
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