itkInPlaceImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkInPlaceImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2004/07/11 14:56:38 $
  Version:   $Revision: 1.4 $

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

  Portions of this code are covered under the VTK copyright.
  See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.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 __itkInPlaceImageFilter_h
#define __itkInPlaceImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk
{
  
template <class TInputImage, class TOutputImage=TInputImage>
class ITK_EXPORT InPlaceImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef InPlaceImageFilter  Self;
  typedef ImageToImageFilter<TInputImage, TOutputImage>  Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
  
  
  itkTypeMacro(InPlaceImageFilter,ImageToImageFilter);

  typedef typename Superclass::OutputImageType OutputImageType;
  typedef typename Superclass::OutputImagePointer OutputImagePointer;
  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
  typedef typename Superclass::OutputImagePixelType OutputImagePixelType;

  typedef TInputImage InputImageType;
  typedef typename InputImageType::Pointer        InputImagePointer;
  typedef typename InputImageType::ConstPointer   InputImageConstPointer;
  typedef typename InputImageType::RegionType     InputImageRegionType; 
  typedef typename InputImageType::PixelType      InputImagePixelType; 
  
  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  itkSetMacro(InPlace, bool);
  itkGetMacro(InPlace, bool);
  itkBooleanMacro(InPlace);

   bool CanRunInPlace() const
     {
       return (typeid(TInputImage) == typeid(TOutputImage));
     };

 protected:
  InPlaceImageFilter();
  ~InPlaceImageFilter();

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

  virtual void AllocateOutputs();

  virtual void ReleaseInputs(); 

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

  bool m_InPlace;

};

} // end namespace itk

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

#endif

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