itkBinaryThresholdSpatialFunction.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkBinaryThresholdSpatialFunction.h,v $
  Language:  C++
  Date:      $Date: 2004/11/04 20:40:40 $
  Version:   $Revision: 1.5 $

  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 _itkBinaryThresholdSpatialFunction_h
#define _itkBinaryThresholdSpatialFunction_h

#include "itkSpatialFunction.h"
#include "itkImageBase.h"

namespace itk
{

template <typename TFunction>
class ITK_EXPORT BinaryThresholdSpatialFunction : 
  public SpatialFunction< bool, 
                          ::itk::GetImageDimension<TFunction>::ImageDimension, 
                          ITK_TYPENAME TFunction::InputType >
{
public:
  typedef BinaryThresholdSpatialFunction Self;
  typedef SpatialFunction< bool, 
                           ::itk::GetImageDimension<TFunction>::ImageDimension, 
                           ITK_TYPENAME TFunction::InputType > Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
  
  itkTypeMacro(BinaryThresholdSpatialFunction, SpatialFunction);

  itkNewMacro( Self );

  typedef typename Superclass::OutputType OutputType;

  typedef typename TFunction::InputType InputType;
  
  typedef TFunction FunctionType;

  typedef typename TFunction::OutputType FunctionOutputType;

  itkSetMacro( LowerThreshold, FunctionOutputType );
  itkGetConstReferenceMacro( LowerThreshold, FunctionOutputType );

  itkSetMacro( UpperThreshold, FunctionOutputType );
  itkGetConstReferenceMacro( UpperThreshold, FunctionOutputType );

  itkSetObjectMacro( Function, FunctionType );
  itkGetConstObjectMacro( Function, FunctionType );

  virtual OutputType Evaluate( const InputType& point ) const;

protected:

  BinaryThresholdSpatialFunction();
  ~BinaryThresholdSpatialFunction();
  void PrintSelf(std::ostream& os, Indent indent) const;

  FunctionOutputType                m_LowerThreshold;
  FunctionOutputType                m_UpperThreshold;
  typename FunctionType::Pointer    m_Function;

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

};

} // namespace itk

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

#endif

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