itkBinomialBlurImageFilter.h

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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 itkBinomialBlurImageFilter_h
#define itkBinomialBlurImageFilter_h
 
#include "itkImageFunction.h"
#include "itkImageRegionIterator.h"
#include "itkImageToImageFilter.h"
#include "itkSize.h"
 
namespace itk
{
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT BinomialBlurImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(BinomialBlurImageFilter);
 
  using Self = BinomialBlurImageFilter;
  using Superclass = ImageToImageFilter<TInputImage, TOutputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkOverrideGetNameOfClassMacro(BinomialBlurImageFilter);
 
  static constexpr unsigned int NDimensions = TInputImage::ImageDimension;
  static constexpr unsigned int NOutputDimensions = TOutputImage::ImageDimension;
 
  using InputImageType = TInputImage;
  using OutputImageType = TOutputImage;
  using OutputImagePointer = typename OutputImageType::Pointer;
  using InputImagePointer = typename InputImageType::Pointer;
  using InputImageConstPointer = typename InputImageType::ConstPointer;
 
  using SizeType = Size<Self::NDimensions>;
 
  using IndexType = typename TOutputImage::IndexType;
 
  using PixelType = typename TOutputImage::PixelType;
 
  using OutputImageRegionType = typename TOutputImage::RegionType;
 
  itkSetMacro(Repetitions, unsigned int);
  itkGetConstMacro(Repetitions, unsigned int);
  void
  GenerateInputRequestedRegion() override;
 
#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro(SameDimensionCheck, (Concept::SameDimension<Self::NDimensions, Self::NOutputDimensions>));
  itkConceptMacro(InputConvertibleToDoubleCheck, (Concept::Convertible<typename TInputImage::PixelType, double>));
  itkConceptMacro(DoubleConvertibleToOutputCheck, (Concept::Convertible<double, PixelType>));
  // End concept checking
#endif
 
protected:
  BinomialBlurImageFilter();
  ~BinomialBlurImageFilter() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  void
  GenerateData() override;
 
private:
  unsigned int m_Repetitions{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkBinomialBlurImageFilter.hxx"
#endif
 
#endif