itkGrayscaleFunctionDilateImageFilter.h

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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 itkGrayscaleFunctionDilateImageFilter_h
#define itkGrayscaleFunctionDilateImageFilter_h

#include "itkMorphologyImageFilter.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage, typename TKernel >
class ITK_TEMPLATE_EXPORT GrayscaleFunctionDilateImageFilter:
  public MorphologyImageFilter< TInputImage, TOutputImage, TKernel >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(GrayscaleFunctionDilateImageFilter);

  using Self = GrayscaleFunctionDilateImageFilter;
  using Superclass = MorphologyImageFilter< TInputImage, TOutputImage, TKernel >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(GrayscaleFunctionDilateImageFilter,
               MorphologyImageFilter);

  using PixelType = typename Superclass::PixelType;

  using KernelIteratorType = typename Superclass::KernelIteratorType;

  using NeighborhoodIteratorType = typename Superclass::NeighborhoodIteratorType;

  using KernelType = typename Superclass::KernelType;

  using DefaultBoundaryConditionType = typename Superclass::DefaultBoundaryConditionType;

  static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
  static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
  static constexpr unsigned int KernelDimension = TKernel::NeighborhoodDimension;

  using KernelPixelType = typename TKernel::PixelType;

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( SameDimensionCheck1,
                   ( Concept::SameDimension< InputImageDimension, OutputImageDimension > ) );
  itkConceptMacro( SameDimensionCheck2,
                   ( Concept::SameDimension< InputImageDimension, KernelDimension > ) );
  itkConceptMacro( InputConvertibleToOutputCheck,
                   ( Concept::Convertible< PixelType, typename TOutputImage::PixelType > ) );
  itkConceptMacro( KernelConvertibleToInputCheck,
                   ( Concept::Convertible< KernelPixelType, PixelType > ) );
  itkConceptMacro( InputAdditiveOperatorsCheck,
                   ( Concept::AdditiveOperators< PixelType > ) );
  itkConceptMacro( InputGreaterThanComparableCheck,
                   ( Concept::GreaterThanComparable< PixelType > ) );
  itkConceptMacro( KernelGreaterThanComparableCheck,
                   ( Concept::GreaterThanComparable< KernelPixelType > ) );
  // End concept checking
#endif

protected:
  GrayscaleFunctionDilateImageFilter();
  ~GrayscaleFunctionDilateImageFilter() override = default;

  PixelType Evaluate(const NeighborhoodIteratorType & nit,
                     const KernelIteratorType kernelBegin,
                     const KernelIteratorType kernelEnd) override;

private:
  // Default boundary condition for dilation filter, defaults to
  // NumericTraits<PixelType>::NonpositiveMin()
  DefaultBoundaryConditionType m_DilateBoundaryCondition;
}; // end of class
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGrayscaleFunctionDilateImageFilter.hxx"
#endif

#endif