itkImageToImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageToImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2002/12/10 16:05:03 $
  Version:   $Revision: 1.37 $

  Copyright (c) 2002 Insight 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 __itkImageToImageFilter_h
#define __itkImageToImageFilter_h

#include "itkImageSource.h"
#include "itkConceptChecking.h"
#include "itkImageToImageFilterDetail.h"

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

  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;

  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);

  virtual void SetInput( const InputImageType *image);
  virtual void SetInput( unsigned int, const TInputImage * image);
  const InputImageType * GetInput(void);
  const InputImageType * GetInput(unsigned int idx);


 protected:
  ImageToImageFilter();
  ~ImageToImageFilter();

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

  virtual void GenerateInputRequestedRegion();


  typedef ImageToImageFilterDetail::ImageRegionCopier<itkGetStaticConstMacro(InputImageDimension),
                                                      itkGetStaticConstMacro(OutputImageDimension)> RegionCopierType;

  virtual void CallCopyRegion(InputImageRegionType &destRegion,
                              const OutputImageRegionType &srcRegion);

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

} // end namespace itk

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

#endif

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