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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkAbsImageAdaptor.h.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:32 $ |
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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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#ifndef __itkAbsImageAdaptor_h |
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#define __itkAbsImageAdaptor_h |
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#include <itkImageAdaptor.h> |
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namespace itk |
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{ |
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namespace Accessor { |
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/** \class AbsPixelAccessor |
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* \brief Give access to the abs() function of a value |
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* |
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* AbsPixelAccessor is templated over an internal type and an |
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* external type representation. This class cast the input |
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* applies the funtion to it and cast the result according |
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* to the types defined as template parameters |
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* |
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* \ingroup ImageAdaptors |
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*/ |
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template <class TInternalType, class TExternalType > |
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class ITK_EXPORT AbsPixelAccessor |
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{ |
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public: |
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/** External typedef. It defines the external aspect |
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* that this class will exhibit. */ |
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typedef TExternalType ExternalType; |
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/** Internal typedef. It defines the internal real |
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* representation of data. */ |
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typedef TInternalType InternalType; |
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static inline void Set(TInternalType & output, const TExternalType & input) |
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{output = (TInternalType)((input > NumericTraits<TExternalType>::Zero) ? input : -input );} |
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static inline TExternalType Get( const TInternalType & input ) |
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{return (TExternalType) ( (input > NumericTraits<TInternalType>::Zero) ? input : -input );} |
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}; |
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} // end namespace Accessor |
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/** \class AbsImageAdaptor |
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* \brief Presents an image as being composed of the abs() of its pixels |
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* |
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* Additional casting is performed according to the input and output image |
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* types following C++ default casting rules. |
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* |
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* \ingroup ImageAdaptors |
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*/ |
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template <class TImage, class TOutputPixelType> |
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class ITK_EXPORT AbsImageAdaptor : public |
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******ImageAdaptor<TImage, |
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Accessor::AbsPixelAccessor< |
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typename TImage::PixelType, |
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TOutputPixelType> > |
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{ |
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public: |
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/** Standard class typedefs. */ |
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typedef AbsImageAdaptor Self; |
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typedef ImageAdaptor<TImage, Accessor::AbsPixelAccessor< |
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typename TImage::PixelType, |
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TOutputPixelType> > Superclass; |
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typedef SmartPointer<Self> Pointer; |
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typedef SmartPointer<const Self> ConstPointer; |
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/** Method for creation through the object factory. */ |
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itkNewMacro(Self); |
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/** Run-time type information (and related methods). */ |
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itkTypeMacro( AbsImageAdaptor, ImageAdaptor ); |
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*protected: |
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AbsImageAdaptor() {} |
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virtual ~AbsImageAdaptor() {} |
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*private: |
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AbsImageAdaptor(const Self&); //purposely not implemented |
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void operator=(const Self&); //purposely not implemented |
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}; |
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} // end namespace itk |
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#endif |
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