itkSimpleContourExtractorImageFilter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSimpleContourExtractorImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2006/03/30 15:36:25 $
  Version:   $Revision: 1.3 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkSimpleContourExtractorImageFilter_h
#define __itkSimpleContourExtractorImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkImage.h"
#include "itkNumericTraits.h"

namespace itk
{
template <class TInputImage, class TOutputImage>
class ITK_EXPORT SimpleContourExtractorImageFilter :
    public ImageToImageFilter< 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 ImageToImageFilter< 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(Radius, InputSizeType);

  itkGetConstReferenceMacro(Radius, 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);

  virtual void GenerateInputRequestedRegion() throw(InvalidRequestedRegionError);

#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,
                              int threadId );

private:
  SimpleContourExtractorImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  InputSizeType m_Radius;
  InputPixelType m_InputForegroundValue;
  InputPixelType m_InputBackgroundValue;
  OutputPixelType m_OutputForegroundValue;
  OutputPixelType m_OutputBackgroundValue;
};
  
} // end namespace itk

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

#endif

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