itkBinaryThinningImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkBinaryThinningImageFilter_h
#define __itkBinaryThinningImageFilter_h

#include "itkNeighborhoodIterator.h"
#include "itkImageToImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage >
class BinaryThinningImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef BinaryThinningImageFilter                       Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                            Pointer;
  typedef SmartPointer< const Self >                      ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(BinaryThinningImageFilter, ImageToImageFilter);

  typedef   TInputImage InputImageType;

  typedef   TOutputImage OutputImageType;

  typedef typename InputImageType::RegionType RegionType;

  typedef typename RegionType::IndexType IndexType;

  typedef typename InputImageType::PixelType PixelType;

  typedef typename RegionType::SizeType SizeType;

  typedef typename InputImageType::ConstPointer InputImagePointer;

  typedef typename OutputImageType::Pointer OutputImagePointer;

  typedef typename Superclass::OutputImagePixelType OutputImagePixelType;

  typedef NeighborhoodIterator< TInputImage > NeighborhoodIteratorType;

  OutputImageType * GetThinning(void);

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

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( SameDimensionCheck,
                   ( Concept::SameDimension< InputImageDimension, OutputImageDimension > ) );
  itkConceptMacro( InputAdditiveOperatorsCheck,
                   ( Concept::AdditiveOperators< PixelType > ) );
  itkConceptMacro( InputConvertibleToIntCheck,
                   ( Concept::Convertible< PixelType, int > ) );
  itkConceptMacro( IntConvertibleToInputCheck,
                   ( Concept::Convertible< int, PixelType > ) );
  itkConceptMacro( SameTypeCheck,
                   ( Concept::SameType< PixelType, typename TOutputImage::PixelType > ) );
  // End concept checking
#endif

protected:
  BinaryThinningImageFilter();
  virtual ~BinaryThinningImageFilter() {}

  void GenerateData();

  void PrepareData();

  void ComputeThinImage();

private:
  BinaryThinningImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);            //purposely not implemented
};                                         // end of BinaryThinningImageFilter
                                           // class
} //end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkBinaryThinningImageFilter.hxx"
#endif

#endif