itkChangeRegionLabelMapFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkChangeRegionLabelMapFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-07-21 22:17:01 $
  Version:   $Revision: 1.3 $

  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 __itkChangeRegionLabelMapFilter_h
#define __itkChangeRegionLabelMapFilter_h

#include "itkInPlaceLabelMapFilter.h"

namespace itk
{
  
template <class TInputImage>
class ITK_EXPORT ChangeRegionLabelMapFilter : public InPlaceLabelMapFilter<TInputImage>
{
public:
  typedef ChangeRegionLabelMapFilter          Self;
  typedef InPlaceLabelMapFilter<TInputImage>  Superclass;
  typedef SmartPointer<Self>                  Pointer;
  typedef SmartPointer<const Self>            ConstPointer;

  
  itkTypeMacro(ChangeRegionLabelMapFilter, InPlaceImageFilter);

  itkNewMacro(Self);  

  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;
  typedef typename InputImageType::LabelObjectType LabelObjectType;

  typedef typename InputImageType::PixelType       PixelType;
  typedef typename InputImageType::IndexType       IndexType;
  typedef typename InputImageType::SizeType        SizeType;
  typedef typename InputImageType::RegionType      RegionType;

  typedef TInputImage TOutputImage;
  
  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);
  itkStaticConstMacro(ImageDimension, unsigned int, TOutputImage::ImageDimension);

  itkSetMacro(Region, OutputImageRegionType);
  itkGetConstReferenceMacro(Region, OutputImageRegionType);

protected:
  ChangeRegionLabelMapFilter() {};
  ~ChangeRegionLabelMapFilter() {};

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

  virtual void ThreadedProcessLabelObject( LabelObjectType * labelObject );
  
  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));

  virtual void GenerateOutputInformation();
  
  void GenerateData();

private:
  ChangeRegionLabelMapFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  OutputImageRegionType m_Region;

};

} // end namespace itk

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

#endif