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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 itkWrapPadImageFilter_h
#define itkWrapPadImageFilter_h
#include "itkPadImageFilter.h"
#include "itkPeriodicBoundaryCondition.h"
namespace itk
{
/**
* \class WrapPadImageFilter
* \brief Increase the image size by padding with replicants of the
* input image value.
*
* WrapPadImageFilter changes the image bounds of an image. Added
* pixels are filled in with a wrapped replica of the input image.
* For instance, if the output image needs a pixel that is <b>two pixels
* to the left of the LargestPossibleRegion</b> of the input image, the
* value assigned will be from the pixel <b>two pixels inside the right
* boundary of the LargestPossibleRegion</b>. The image bounds of the
* output must be specified.
*
* \image html WrapPadImageFilter.png "Visual explanation of padding regions."
*
* This filter is implemented as a multithreaded filter. It provides a
* ThreadedGenerateData() method for its implementation.
*
* \ingroup GeometricTransform
* \sa MirrorPadImageFilter, ConstantPadImageFilter
* \ingroup ITKImageGrid
*
* \sphinx
* \sphinxexample{Filtering/ImageGrid/PadImageByWrapping,Pad Image By Wrapping}
* \endsphinx
*/
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT WrapPadImageFilter : public PadImageFilter<TInputImage, TOutputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(WrapPadImageFilter);
/** Standard class type aliases. */
using Self = WrapPadImageFilter;
using Superclass = PadImageFilter<TInputImage, TOutputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(WrapPadImageFilter);
using typename Superclass::InputImageType;
using typename Superclass::OutputImageType;
using typename Superclass::InputImagePointer;
using typename Superclass::OutputImagePointer;
using typename Superclass::InputImageConstPointer;
/** Typedef to describe the output image region type. */
using typename Superclass::OutputImageRegionType;
using typename Superclass::InputImageRegionType;
/** Typedef to describe the type of pixel. */
using typename Superclass::OutputImagePixelType;
using typename Superclass::InputImagePixelType;
/** Typedef to describe the output and input image index and size types. */
using typename Superclass::OutputImageIndexType;
using typename Superclass::InputImageIndexType;
using typename Superclass::OutputImageSizeType;
using typename Superclass::InputImageSizeType;
/** ImageDimension enumeration. */
static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro(InputConvertibleToOutputCheck, (Concept::Convertible<InputImagePixelType, OutputImagePixelType>));
// End concept checking
#endif
protected:
WrapPadImageFilter();
~WrapPadImageFilter() override = default;
private:
PeriodicBoundaryCondition<TInputImage, TOutputImage> m_InternalBoundaryCondition{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkWrapPadImageFilter.hxx"
#endif
#endif
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