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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkImageReverseIterator.h.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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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 __itkImageReverseIterator_h |
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#define __itkImageReverseIterator_h |
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#include "itkImageRegionReverseConstIterator.h" |
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#include "itkImageIteratorWithIndex.h" |
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namespace itk |
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{ |
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/** \class ImageReverseIterator |
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* \brief A multi-dimensional image iterator designed to walk a specified |
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* region in reverse. |
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* |
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* This is a subclass of ImageReverseConstIterator that adds write-access |
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* functionality. Please see ImageReverseConstIterator for details. |
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* |
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* \par MORE INFORMATION |
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* For a complete description of the ITK Image Iterators and their API, please |
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* see the Iterators chapter in the ITK Software Guide. The ITK Software Guide |
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* is available in print and as a free .pdf download from http://www.itk.org. |
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* |
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* \ingroup ImageIterators |
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* |
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* \sa ImageConstIterator \sa ConditionalConstIterator |
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* \sa ConstNeighborhoodIterator \sa ConstShapedNeighborhoodIterator |
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* \sa ConstSliceIterator \sa CorrespondenceDataStructureIterator |
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* \sa FloodFilledFunctionConditionalConstIterator |
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* \sa FloodFilledImageFunctionConditionalConstIterator |
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* \sa FloodFilledImageFunctionConditionalIterator |
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* \sa FloodFilledSpatialFunctionConditionalConstIterator |
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* \sa FloodFilledSpatialFunctionConditionalIterator |
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* \sa ImageConstIterator \sa ImageConstIteratorWithIndex |
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* \sa ImageIterator \sa ImageIteratorWithIndex |
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* \sa ImageLinearConstIteratorWithIndex \sa ImageLinearIteratorWithIndex |
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* \sa ImageRandomConstIteratorWithIndex \sa ImageRandomIteratorWithIndex |
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* \sa ImageRegionConstIterator \sa ImageRegionConstIteratorWithIndex |
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* \sa ImageRegionExclusionConstIteratorWithIndex |
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* \sa ImageRegionExclusionIteratorWithIndex |
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* \sa ImageRegionIterator \sa ImageRegionIteratorWithIndex |
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* \sa ImageRegionReverseConstIterator \sa ImageRegionReverseIterator |
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* \sa ImageReverseConstIterator \sa ImageReverseIterator |
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* \sa ImageSliceConstIteratorWithIndex \sa ImageSliceIteratorWithIndex |
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* \sa NeighborhoodIterator \sa PathConstIterator \sa PathIterator |
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* \sa ShapedNeighborhoodIterator \sa SliceIterator |
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* \sa ImageConstIteratorWithIndex */ |
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template<typename TImage> |
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class ITK_EXPORT ImageReverseIterator : public ImageRegionReverseConstIterator<TImage> |
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{ |
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public: |
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/** Standard class typedefs. */ |
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typedef ImageReverseIterator Self; |
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typedef ImageRegionReverseConstIterator<TImage> Superclass; |
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***/** Types inherited from the Superclass */ |
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typedef typename Superclass::IndexType IndexType; |
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typedef typename Superclass::IndexValueType IndexValueType; |
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typedef typename Superclass::SizeType SizeType; |
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typedef typename Superclass::SizeValueType SizeValueType; |
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typedef typename Superclass::OffsetType OffsetType; |
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typedef typename Superclass::OffsetValueType OffsetValueType; |
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typedef typename Superclass::RegionType RegionType; |
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typedef typename Superclass::ImageType ImageType; |
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typedef typename Superclass::PixelContainer PixelContainer; |
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typedef typename Superclass::PixelContainerPointer PixelContainerPointer; |
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typedef typename Superclass::InternalPixelType InternalPixelType; |
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typedef typename Superclass::PixelType PixelType; |
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typedef typename Superclass::AccessorType AccessorType; |
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/** Default constructor. Needed since we provide a cast constructor. */ |
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ImageReverseIterator(); |
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/** Constructor establishes an iterator to walk a particular image and a |
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* particular region of that image. */ |
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ImageReverseIterator(ImageType *ptr, const RegionType& region); |
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/** Constructor that can be used to cast from an ImageIterator to an |
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* ImageReverseIterator. Many routines return an ImageIterator but for a |
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* particular task, you may want an ImageReverseIterator. Rather than |
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* provide overloaded APIs that return different types of Iterators, itk |
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* returns ImageIterators and uses constructors to cast from an |
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* ImageIterator to a ImageReverseIterator. */ |
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ImageReverseIterator( const ImageIteratorWithIndex<TImage> &it); |
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/** Set the pixel value */ |
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void Set( const PixelType & value) const |
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{ this->m_PixelAccessorFunctor.Set(* const_cast<InternalPixelType *>((this->m_Buffer+this->m_Offset)),value); } |
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/** Return a reference to the pixel |
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* This method will provide the fastest access to pixel |
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* data, but it will NOT support ImageAdaptors. */ |
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PixelType & Value(void) |
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{ return *(this->m_Buffer+this->m_Offset); } |
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protected: |
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/** the construction from a const iterator is declared protected |
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******in order to enforce const correctness. */ |
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ImageReverseIterator( const ImageRegionReverseConstIterator<TImage> &it); |
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Self & operator=(const ImageRegionReverseConstIterator<TImage> & it); |
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}; |
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} // end namespace itk |
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#ifndef ITK_MANUAL_INSTANTIATION |
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#include "itkImageReverseIterator.txx" |
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#endif |
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#endif |
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EOF |
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EOF,EML |
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EOF,EML |
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