/usr/include/ITK-4.5/itkImageScanlineIterator.h is in libinsighttoolkit4-dev 4.5.0-3.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkImageScanlineIterator_h
#define __itkImageScanlineIterator_h
#include "itkImageScanlineConstIterator.h"
namespace itk
{
/** \class ImageScanlineIterator
* \brief A multi-dimensional iterator templated over image type that walks a
* region of pixels, scanline by scanline or in the direction of the
* fastest axis.
*
* The itk::ImageScanlineIterator is optimized for iteration speed and is the
* first choice for pixel-wise operations on an image.
*
* \sa ImageScanlineConstIterator
* \sa ImageRegionIterator
* \ingroup ImageIterators
* \ingroup ITKCommon
*
*/
template< typename TImage >
class ImageScanlineIterator:public ImageScanlineConstIterator< TImage >
{
public:
/** Standard class typedefs. */
typedef ImageScanlineIterator Self;
typedef ImageScanlineConstIterator< TImage > Superclass;
/** Types inherited from the Superclass */
typedef typename Superclass::IndexType IndexType;
typedef typename Superclass::SizeType SizeType;
typedef typename Superclass::OffsetType OffsetType;
typedef typename Superclass::RegionType RegionType;
typedef typename Superclass::ImageType ImageType;
typedef typename Superclass::PixelContainer PixelContainer;
typedef typename Superclass::PixelContainerPointer PixelContainerPointer;
typedef typename Superclass::InternalPixelType InternalPixelType;
typedef typename Superclass::PixelType PixelType;
typedef typename Superclass::AccessorType AccessorType;
/** Default constructor. Needed since we provide a cast constructor. */
ImageScanlineIterator();
/** Constructor establishes an iterator to walk a particular image and a
* particular region of that image. */
ImageScanlineIterator(ImageType *ptr, const RegionType & region);
/** Constructor that can be used to cast from an ImageIterator to an
* ImageScanlineIterator. Many routines return an ImageIterator but for a
* particular task, you may want an ImageScanlineIterator. Rather than
* provide overloaded APIs that return different types of Iterators, itk
* returns ImageIterators and uses constructors to cast from an
* ImageIterator to a ImageScanlineIterator. */
ImageScanlineIterator(const ImageIterator< TImage > & it);
/** Set the pixel value */
void Set(const PixelType & value) const
{
this->m_PixelAccessorFunctor.Set(*( const_cast< InternalPixelType * >(
this->m_Buffer + this->m_Offset ) ), value);
}
/** Return a reference to the pixel
* This method will provide the fastest access to pixel
* data, but it will NOT support ImageAdaptors. */
PixelType & Value(void)
{ return *( const_cast< InternalPixelType * >( this->m_Buffer + this->m_Offset ) ); }
protected:
/** the construction from a const iterator is declared protected
in order to enforce const correctness. */
ImageScanlineIterator(const ImageScanlineConstIterator< TImage > & it);
Self & operator=(const ImageScanlineConstIterator< TImage > & it);
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageScanlineIterator.hxx"
#endif
#endif
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