itkConstantPadImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkConstantPadImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2002/09/11 19:39:01 $
  Version:   $Revision: 1.12 $

  Copyright (c) 2002 Insight 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 __itkConstantPadImageFilter_h
#define __itkConstantPadImageFilter_h

#include "itkPadImageFilter.h"

namespace itk
{

template <class TInputImage, class TOutputImage>
class ITK_EXPORT ConstantPadImageFilter:
    public PadImageFilter<TInputImage,TOutputImage>
{
public:
  typedef ConstantPadImageFilter         Self;
  typedef PadImageFilter<TInputImage,TOutputImage>  Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self); 

  itkTypeMacro(ConstantPadImageFilter, PadImageFilter);

  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
  typedef typename Superclass::InputImageRegionType InputImageRegionType;

  typedef typename Superclass::OutputImagePixelType OutputImagePixelType;
  typedef typename Superclass::InputImagePixelType InputImagePixelType;

  typedef typename Superclass::OutputImageIndexType OutputImageIndexType;
  typedef typename Superclass::InputImageIndexType InputImageIndexType;
  typedef typename Superclass::OutputImageSizeType OutputImageSizeType;
  typedef typename Superclass::InputImageSizeType InputImageSizeType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  itkSetMacro(Constant, OutputImagePixelType);
  itkGetMacro(Constant, OutputImagePixelType);
                 
protected:
  ConstantPadImageFilter();
  ~ConstantPadImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;
  
  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
                            int threadId );

  int GenerateNextRegion(long *regIndices, long *regLimit, 
       OutputImageIndexType *indices, 
       OutputImageSizeType *sizes, 
       OutputImageRegionType& outputRegion);
  
private:
  ConstantPadImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  OutputImagePixelType m_Constant;
};

  
} // end namespace itk
  
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkConstantPadImageFilter.txx"
#endif
  
#endif

---