itkGrayscaleMorphologicalClosingImageFilter.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 itkGrayscaleMorphologicalClosingImageFilter_h
#define itkGrayscaleMorphologicalClosingImageFilter_h

#include "itkKernelImageFilter.h"
#include "itkMovingHistogramErodeImageFilter.h"
#include "itkMovingHistogramDilateImageFilter.h"
#include "itkBasicErodeImageFilter.h"
#include "itkBasicDilateImageFilter.h"
#include "itkAnchorCloseImageFilter.h"
#include "itkVanHerkGilWermanErodeImageFilter.h"
#include "itkVanHerkGilWermanDilateImageFilter.h"
#include "itkCastImageFilter.h"
#include "itkConstantBoundaryCondition.h"
#include "itkNeighborhood.h"

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

  using Self = GrayscaleMorphologicalClosingImageFilter;
  using Superclass = KernelImageFilter< TInputImage, TOutputImage, TKernel >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(GrayscaleMorphologicalClosingImageFilter,
               KernelImageFilter);

  static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;

  enum AlgorithmType {
    BASIC = 0,
    HISTO = 1,
    ANCHOR = 2,
    VHGW = 3
    };

  using InputImageType = TInputImage;
  using OutputImageType = TOutputImage;
  using RegionType = typename TInputImage::RegionType;
  using SizeType = typename TInputImage::SizeType;
  using IndexType = typename TInputImage::IndexType;
  using PixelType = typename TInputImage::PixelType;
  using OffsetType = typename TInputImage::OffsetType;
  using OutputImageRegionType = typename Superclass::OutputImageRegionType;

  using FlatKernelType = FlatStructuringElement<(Self::ImageDimension)>;
  using HistogramErodeFilterType =
      MovingHistogramErodeImageFilter< TInputImage, TOutputImage, TKernel >;
  using HistogramDilateFilterType =
      MovingHistogramDilateImageFilter< TInputImage, TOutputImage, TKernel >;
  using BasicDilateFilterType =
      BasicDilateImageFilter< TInputImage, TInputImage, TKernel >;
  using BasicErodeFilterType =
      BasicErodeImageFilter< TInputImage, TOutputImage, TKernel >;
  using AnchorFilterType = AnchorCloseImageFilter< TInputImage, FlatKernelType >;
  using VanHerkGilWermanErodeFilterType =
      VanHerkGilWermanErodeImageFilter< TInputImage, FlatKernelType >;
  using VanHerkGilWermanDilateFilterType =
      VanHerkGilWermanDilateImageFilter< TInputImage, FlatKernelType >;
  using SubtractFilterType = CastImageFilter< TInputImage, TOutputImage >;

  using KernelType = TKernel;
//   using KernelSuperclass = typename KernelType::Superclass;
//   using KernelSuperclass = Neighborhood< typename KernelType::PixelType, ImageDimension >;

  void SetKernel(const KernelType & kernel) override;

  void SetAlgorithm(int algo);
  itkGetConstMacro(Algorithm, int);

  void Modified() const override;

  itkSetMacro(SafeBorder, bool);
  itkGetConstReferenceMacro(SafeBorder, bool);
  itkBooleanMacro(SafeBorder);

protected:
  GrayscaleMorphologicalClosingImageFilter();
  ~GrayscaleMorphologicalClosingImageFilter() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  void GenerateData() override;

private:
  // the filters used internally
  typename HistogramErodeFilterType::Pointer m_HistogramErodeFilter;

  typename HistogramDilateFilterType::Pointer m_HistogramDilateFilter;

  typename BasicErodeFilterType::Pointer m_BasicErodeFilter;

  typename BasicDilateFilterType::Pointer m_BasicDilateFilter;

  typename VanHerkGilWermanDilateFilterType::Pointer m_VanHerkGilWermanDilateFilter;

  typename VanHerkGilWermanErodeFilterType::Pointer m_VanHerkGilWermanErodeFilter;

  typename AnchorFilterType::Pointer m_AnchorFilter;

  // and the name of the filter
  int m_Algorithm;

  bool m_SafeBorder;
}; // end of class
} // end namespace itk

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

#endif