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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 itkFloodFilledImageFunctionConditionalConstIterator_h
#define itkFloodFilledImageFunctionConditionalConstIterator_h
#include "itkFloodFilledFunctionConditionalConstIterator.h"
namespace itk
{
/**
* \class FloodFilledImageFunctionConditionalConstIterator
* \brief Iterates over a flood-filled image function with read-only
* access to pixels.
*
* \ingroup ImageIterators
*
* \ingroup ITKCommon
*/
template <typename TImage, typename TFunction>
class ITK_TEMPLATE_EXPORT FloodFilledImageFunctionConditionalConstIterator
: public FloodFilledFunctionConditionalConstIterator<TImage, TFunction>
{
public:
/** Standard class type aliases. */
using Self = FloodFilledImageFunctionConditionalConstIterator<TImage, TFunction>;
using Superclass = FloodFilledFunctionConditionalConstIterator<TImage, TFunction>;
/** Type of function */
using typename Superclass::FunctionType;
/** Type of vector used to store location info in the spatial function */
using typename Superclass::FunctionInputType;
/** Index type alias support. */
using typename Superclass::IndexType;
/** Index ContainerType. */
using typename Superclass::SeedsContainerType;
/** Size type alias support. */
using typename Superclass::SizeType;
/** Region type alias support */
using typename Superclass::RegionType;
/** Image type alias support. */
using typename Superclass::ImageType;
/** Internal Pixel Type */
using typename Superclass::InternalPixelType;
/** External Pixel Type */
using typename Superclass::PixelType;
/** Dimension of the image the iterator walks. This constant is needed so
* functions that are templated over image iterator type (as opposed to
* being templated over pixel type and dimension) can have compile time
* access to the dimension of the image that the iterator walks. */
static constexpr unsigned int NDimensions = Superclass::NDimensions;
/** Constructor establishes an iterator to walk a particular image and a
* particular region of that image. This version of the constructor uses
* an explicit seed pixel for the flood fill, the "startIndex" */
FloodFilledImageFunctionConditionalConstIterator(const ImageType * imagePtr,
FunctionType * fnPtr,
IndexType startIndex)
: Superclass(imagePtr, fnPtr, startIndex)
{}
/** Constructor establishes an iterator to walk a particular image and a
* particular region of that image. This version of the constructor uses
* an explicit list of seed pixels for the flood fill, the "startIndex" */
FloodFilledImageFunctionConditionalConstIterator(const ImageType * imagePtr,
FunctionType * fnPtr,
std::vector<IndexType> & startIndex)
: Superclass(imagePtr, fnPtr, startIndex)
{}
/** Constructor establishes an iterator to walk a particular image and a
* particular region of that image. This version of the constructor
* should be used when the seed pixel is unknown. */
FloodFilledImageFunctionConditionalConstIterator(const ImageType * imagePtr, FunctionType * fnPtr)
: Superclass(imagePtr, fnPtr)
{}
/** Default Destructor. */
~FloodFilledImageFunctionConditionalConstIterator() override = default;
/** Compute whether the index of interest should be included in the flood */
bool
IsPixelIncluded(const IndexType & index) const override;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkFloodFilledImageFunctionConditionalConstIterator.hxx"
#endif
#endif
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