itkLabelSetErodeImageFilter.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 itkLabelSetErodeImageFilter_h
#define itkLabelSetErodeImageFilter_h

#include "itkLabelSetMorphBaseImageFilter.h"
#include "itkNumericTraits.h"

namespace itk
{
template< typename TInputImage,
          typename TOutputImage = TInputImage >
class ITK_EXPORT LabelSetErodeImageFilter:
  public LabelSetMorphBaseImageFilter< TInputImage, false, TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(LabelSetErodeImageFilter);

  using Self = LabelSetErodeImageFilter;
  using Superclass = LabelSetMorphBaseImageFilter< TInputImage, false, TOutputImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(LabelSetErodeImageFilter, LabelSetMorphBaseImageFilter);

  using InputImageType = TInputImage;
  using OutputImageType = TOutputImage;
  using PixelType = typename TInputImage::PixelType;
  using RealType = typename NumericTraits< PixelType >::FloatType;
  using OutputPixelType = typename TOutputImage::PixelType;
  using ScalarRealType = typename NumericTraits< PixelType >::ScalarRealType;

  using InputImagePointer = typename TInputImage::Pointer;
  using InputImageConstPointer = typename TInputImage::ConstPointer;
  using InputSizeType = typename TInputImage::SizeType;
  using OutputSizeType = typename TOutputImage::SizeType;

  using RadiusType = typename itk::FixedArray< ScalarRealType, TInputImage::ImageDimension >;

  using OutputImageRegionType = typename OutputImageType::RegionType;
  static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;
  static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
  static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
protected:
  LabelSetErodeImageFilter()
    { this->DynamicMultiThreadingOn(); }
  ~LabelSetErodeImageFilter() override {}

  void DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;

  // Override since the filter produces the entire dataset.
private:
  using DistanceImageType = typename Superclass::DistanceImageType;
};
} // end namespace itk

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

#endif