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< class TInputImage, class TOutputImage >
class ITK_EXPORT SimpleContourExtractorImageFilter:
  public BoxImageFilter< TInputImage, TOutputImage >
{
public:
  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  typedef TInputImage  InputImageType;
  typedef TOutputImage OutputImageType;

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

  itkNewMacro(Self);

  itkTypeMacro(SimpleContourExtractorImageFilter, ImageToImageFilter);

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

  typedef typename InputImageType::RegionType  InputImageRegionType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;

  typedef typename InputImageType::SizeType InputSizeType;

  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

  itkConceptMacro( InputHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< InputPixelType > ) );
  itkConceptMacro( OutputHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< OutputPixelType > ) );

#endif
protected:
  SimpleContourExtractorImageFilter();
  virtual ~SimpleContourExtractorImageFilter() {}
  void PrintSelf(std::ostream & os, Indent indent) const;

  void ThreadedGenerateData(const OutputImageRegionType & outputRegionForThread,
                            ThreadIdType threadId);

private:
  SimpleContourExtractorImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);                    //purposely not implemented

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

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

#endif