itkSimpleContourExtractorImageFilter.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 itkSimpleContourExtractorImageFilter_h
#define itkSimpleContourExtractorImageFilter_h

#include "itkBoxImageFilter.h"
#include "itkImage.h"
#include "itkNumericTraits.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT SimpleContourExtractorImageFilter:
  public BoxImageFilter< TInputImage, TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(SimpleContourExtractorImageFilter);

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

  using InputImageType = TInputImage;
  using OutputImageType = TOutputImage;

  using Self = SimpleContourExtractorImageFilter;
  using Superclass = BoxImageFilter< InputImageType, OutputImageType >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(SimpleContourExtractorImageFilter, BoxImageFilter);

  using InputPixelType = typename InputImageType::PixelType;
  using OutputPixelType = typename OutputImageType::PixelType;
  using InputRealType = typename NumericTraits< InputPixelType >::RealType;

  using InputImageRegionType = typename InputImageType::RegionType;
  using OutputImageRegionType = typename OutputImageType::RegionType;

  using InputSizeType = typename InputImageType::SizeType;

  itkSetMacro(InputForegroundValue, InputPixelType);

  itkGetConstReferenceMacro(InputForegroundValue, InputPixelType);

  itkSetMacro(InputBackgroundValue, InputPixelType);

  itkGetConstReferenceMacro(InputBackgroundValue, InputPixelType);

  itkSetMacro(OutputForegroundValue, OutputPixelType);

  itkGetConstReferenceMacro(OutputForegroundValue, OutputPixelType);

  itkSetMacro(OutputBackgroundValue, OutputPixelType);

  itkGetConstReferenceMacro(OutputBackgroundValue, OutputPixelType);

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( InputHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< InputPixelType > ) );
  itkConceptMacro( OutputHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< OutputPixelType > ) );
  // End concept checking
#endif

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

  void DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;


private:
  InputPixelType  m_InputForegroundValue;
  InputPixelType  m_InputBackgroundValue;
  OutputPixelType m_OutputForegroundValue;
  OutputPixelType m_OutputBackgroundValue;
};
} // end namespace itk

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

#endif