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/*
* Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
* Copyright (C) 2007-2012 Institut Mines Telecom / Telecom Bretagne
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 otbSubsampledImageRegionIterator_h
#define otbSubsampledImageRegionIterator_h
#include "otbSubsampledImageRegionConstIterator.h"
namespace otb
{
/** \class SubsampledImageRegionIterator
* \brief Regular subsample iterator over an image
*
* This iterator is a itk::ImageRegionConstIterator that perform a subsampled
* scan over an image. It runs one pixel over X (in row, line, slice... dimensions),
* if X is the (integer) value of the SubsampleFactor.
*
* It inherits from SubsampledImageRegionConstIterator and can modify the pixel values...
*
* \ingroup ImageIterator
* \sa SubsampledImageRegionConstIterator
*
* \ingroup OTBCommon
*/
template <class TImage>
class ITK_EXPORT SubsampledImageRegionIterator : public SubsampledImageRegionConstIterator<TImage>
{
public:
/** Standard typedef. */
typedef SubsampledImageRegionIterator Self;
typedef SubsampledImageRegionConstIterator<TImage> Superclass;
/** Run-time type information (and related methods). */
itkTypeMacro(SubsampledImageRegionConstIterator, SubsampledImageRegionConstIterator);
itkStaticConstMacro(ImageIteratorDimension, unsigned int, Superclass::ImageIteratorDimension);
// typedef redefinition from superclass
typedef typename Superclass::IndexType IndexType;
typedef typename Superclass::SizeType SizeType;
typedef typename Superclass::RegionType RegionType;
typedef typename Superclass::OffsetType OffsetType;
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;
typedef typename Superclass::IndexValueType IndexValueType;
// Constructors
SubsampledImageRegionIterator() : SubsampledImageRegionConstIterator<TImage>()
{
}
SubsampledImageRegionIterator(const ImageType* ptr, const RegionType& region) : SubsampledImageRegionConstIterator<TImage>(ptr, region)
{
}
SubsampledImageRegionIterator(const itk::ImageIterator<TImage>& it) : SubsampledImageRegionConstIterator<TImage>(it)
{
}
SubsampledImageRegionIterator(const itk::ImageConstIterator<TImage>& it) : SubsampledImageRegionConstIterator<TImage>(it)
{
}
/** Set the current pixel value */
void Set(const PixelType& value) const
{
this->m_PixelAccessorFunctor.Set(*(const_cast<InternalPixelType*>(this->m_Buffer + this->m_Offset)), value);
}
PixelType& Value(void)
{
return *(const_cast<InternalPixelType*>(this->m_Buffer + this->m_Offset));
}
}; // end of class
} // end of namespace otb
#endif
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