itkSobelEdgeDetectionImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSobelEdgeDetectionImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-17 20:49:56 $
  Version:   $Revision: 1.13 $

  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 __itkSobelEdgeDetectionImageFilter_h
#define __itkSobelEdgeDetectionImageFilter_h

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

namespace itk
{
template <class TInputImage, class TOutputImage>
class ITK_EXPORT SobelEdgeDetectionImageFilter : 
    public ImageToImageFilter< TInputImage, TOutputImage > 
{
public:
  typedef SobelEdgeDetectionImageFilter                   Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;

  typedef typename TOutputImage::PixelType         OutputPixelType;
  typedef typename TOutputImage::InternalPixelType OutputInternalPixelType;
  typedef typename TInputImage::PixelType          InputPixelType;
  typedef typename TInputImage::InternalPixelType  InputInternalPixelType;
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension );
  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension );

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

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

  itkTypeMacro(SobelEdgeDetectionImageFilter, ImageToImageFilter);

  itkNewMacro(Self);

  virtual void GenerateInputRequestedRegion() throw(InvalidRequestedRegionError);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(SameDimensionCheck,
    (Concept::SameDimension<InputImageDimension, ImageDimension>));
  itkConceptMacro(OutputHasNumericTraitsCheck,
    (Concept::HasNumericTraits<OutputPixelType>));

#ifdef ITK_USE_STRICT_CONCEPT_CHECKING
  itkConceptMacro(OutputPixelIsFloatingPointCheck,
    (Concept::IsFloatingPoint<OutputPixelType>));
#endif

#endif

protected:
  SobelEdgeDetectionImageFilter() {}
  virtual ~SobelEdgeDetectionImageFilter() {}
  SobelEdgeDetectionImageFilter(const Self&) {}
  //void operator=(const Self&) {}

  void GenerateData();
  void PrintSelf(std::ostream& os, Indent indent) const
  { Superclass::PrintSelf(os,indent); }

  
private:

};
  
} // end namespace itk

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

#endif