itkLaplacianSharpeningImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkLaplacianSharpeningImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-04-25 12:27:29 $
  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.

     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 __itkLaplacianSharpeningImageFilter_h
#define __itkLaplacianSharpeningImageFilter_h

#include "itkNumericTraits.h"
#include "itkImageToImageFilter.h"
#include "itkImage.h"

namespace itk
{
template <class TInputImage, class TOutputImage>
class ITK_EXPORT LaplacianSharpeningImageFilter : 
    public ImageToImageFilter< TInputImage, TOutputImage > 
{
public:

  typedef LaplacianSharpeningImageFilter                  Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;

  typedef typename TOutputImage::PixelType                  OutputPixelType;
  typedef typename TOutputImage::InternalPixelType          OutputInternalPixelType;
  typedef typename NumericTraits<OutputPixelType>::RealType RealType;
  typedef typename TInputImage::PixelType                   InputPixelType;
  typedef typename TInputImage::InternalPixelType           InputInternalPixelType;
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  typedef TInputImage                      InputImageType;
  typedef TOutputImage                     OutputImageType;
  typedef typename InputImageType::Pointer InputImagePointer;

  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkTypeMacro(LaplacianSharpeningImageFilter, ImageToImageFilter);

  itkNewMacro(Self);

  virtual void GenerateInputRequestedRegion() throw(InvalidRequestedRegionError);

  void SetUseImageSpacingOn()
    { this->SetUseImageSpacing(true); }

  void SetUseImageSpacingOff()
    { this->SetUseImageSpacing(false); }

  itkSetMacro(UseImageSpacing, bool);
  itkGetConstMacro(UseImageSpacing, bool);

  
protected:
  LaplacianSharpeningImageFilter()
    {
    m_UseImageSpacing = true;
    }
  virtual ~LaplacianSharpeningImageFilter()  {}

  void GenerateData();
  void PrintSelf(std::ostream&, Indent) const;

private:
  LaplacianSharpeningImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  bool m_UseImageSpacing;
  
};
  
} // end namespace itk

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

#endif