itkMinimumMaximumImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkMinimumMaximumImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:52 $
  Version:   $Revision: 1.7 $

  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 __itkMinimumMaximumImageFilter_h
#define __itkMinimumMaximumImageFilter_h

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

namespace itk
{
template <class TInputImage>
class ITK_EXPORT MinimumMaximumImageFilter :
    public ImageToImageFilter< TInputImage, TInputImage>
{
public:
  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  typedef MinimumMaximumImageFilter Self;
  typedef ImageToImageFilter< TInputImage, TInputImage> Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(MinimumMaximumImageFilter, ImageToImageFilter);
  
  typedef TInputImage InputImageType;
  typedef typename InputImageType::PixelType InputPixelType;

  itkGetMacro(Minimum,InputPixelType);
  
  itkGetMacro(Maximum,InputPixelType);

protected:
  MinimumMaximumImageFilter()
  {
    m_Minimum = NumericTraits<InputPixelType>::NonpositiveMin();
    m_Maximum = NumericTraits<InputPixelType>::max();
  }
  virtual ~MinimumMaximumImageFilter() {}
  void PrintSelf(std::ostream& os, Indent indent) const;

  void GenerateData();

private:
  MinimumMaximumImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  InputPixelType    m_Minimum;
  InputPixelType    m_Maximum;
};
  
} // end namespace itk

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

#endif

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