itkDoubleThresholdImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkDoubleThresholdImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:46 $
  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 __itkDoubleThresholdImageFilter_h
#define __itkDoubleThresholdImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkConceptChecking.h"

namespace itk
{
  
template <class TInputImage, class TOutputImage>
class ITK_EXPORT DoubleThresholdImageFilter :
    public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef DoubleThresholdImageFilter  Self;
  typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass;
  typedef SmartPointer<Self>   Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(DoubleThresholdImageFilter, ImageToImageFilter);

  typedef typename Superclass::InputImagePointer InputImagePointer;
  typedef typename Superclass::InputImageType InputImageType;

  typedef typename TInputImage::PixelType  InputPixelType;
  typedef typename TOutputImage::PixelType OutputPixelType;

  itkConceptMacro(PixelTypeComparable, (Concept::Comparable<InputPixelType>));

  itkSetMacro(OutsideValue,OutputPixelType);
  
  itkGetMacro(OutsideValue,OutputPixelType);

  itkSetMacro(InsideValue,OutputPixelType);
  
  itkGetMacro(InsideValue,OutputPixelType);

  itkSetMacro( Threshold1, InputPixelType );
  itkSetMacro( Threshold2, InputPixelType );
  itkSetMacro( Threshold3, InputPixelType );
  itkSetMacro( Threshold4, InputPixelType );
                 
  itkGetMacro( Threshold1, InputPixelType );
  itkGetMacro( Threshold2, InputPixelType );
  itkGetMacro( Threshold3, InputPixelType );
  itkGetMacro( Threshold4, InputPixelType );

  itkGetMacro( NumberOfIterationsUsed, unsigned long);
  
protected:
  DoubleThresholdImageFilter();
  virtual ~DoubleThresholdImageFilter() {}
  void PrintSelf(std::ostream& os, Indent indent) const;

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));

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

  InputPixelType      m_Threshold1;
  InputPixelType      m_Threshold2;
  InputPixelType      m_Threshold3;
  InputPixelType      m_Threshold4;

  OutputPixelType     m_InsideValue;
  OutputPixelType     m_OutsideValue;

  unsigned long       m_NumberOfIterationsUsed;

};

} // end namespace itk

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

#endif

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