itkMinimumMaximumImageCalculator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkMinimumMaximumImageCalculator.h,v $
  Language:  C++
  Date:      $Date: 2005/01/21 20:20:27 $
  Version:   $Revision: 1.15 $

  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 __itkMinimumMaximumImageCalculator_h
#define __itkMinimumMaximumImageCalculator_h

#include "itkObject.h"
#include "itkObjectFactory.h"

namespace itk
{

template <class TInputImage>            
class ITK_EXPORT MinimumMaximumImageCalculator : public Object 
{
public:
  typedef MinimumMaximumImageCalculator Self;
  typedef Object  Superclass;
  typedef SmartPointer<Self>   Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(MinimumMaximumImageCalculator, Object);

  typedef TInputImage  ImageType;

  typedef typename TInputImage::Pointer  ImagePointer;
  
  typedef typename TInputImage::ConstPointer ImageConstPointer;

  typedef typename TInputImage::PixelType PixelType;
  
  typedef typename TInputImage::IndexType IndexType;
  
  typedef typename TInputImage::RegionType RegionType;
  
  itkSetConstObjectMacro(Image,ImageType);

  void ComputeMinimum(void);

  void ComputeMaximum(void);

  void Compute(void);

  itkGetMacro(Minimum,PixelType);
  
  itkGetMacro(Maximum,PixelType);

  itkGetConstReferenceMacro(IndexOfMinimum,IndexType);

  itkGetConstReferenceMacro(IndexOfMaximum,IndexType);

  void SetRegion( const RegionType & region );

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

private:
  MinimumMaximumImageCalculator(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  PixelType            m_Minimum;
  PixelType            m_Maximum;
  ImageConstPointer    m_Image;

  IndexType            m_IndexOfMinimum;
  IndexType            m_IndexOfMaximum;

  RegionType           m_Region;
  bool                 m_RegionSetByUser;
};

} // end namespace itk


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

#endif /* __itkMinimumMaximumImageCalculator_h */

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