itkNeighborhoodConnectedImageFilter.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 __itkNeighborhoodConnectedImageFilter_h
#define __itkNeighborhoodConnectedImageFilter_h

#include "itkImageToImageFilter.h"

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

  itkNewMacro(Self);

  itkTypeMacro(NeighborhoodConnectedImageFilter,
               ImageToImageFilter);

  typedef TInputImage                         InputImageType;
  typedef typename InputImageType::Pointer    InputImagePointer;
  typedef typename InputImageType::RegionType InputImageRegionType;
  typedef typename InputImageType::PixelType  InputImagePixelType;
  typedef typename InputImageType::IndexType  IndexType;
  typedef typename InputImageType::SizeType   InputImageSizeType;

  typedef TOutputImage                         OutputImageType;
  typedef typename OutputImageType::Pointer    OutputImagePointer;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
  typedef typename OutputImageType::PixelType  OutputImagePixelType;

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

  void ClearSeeds();

  void SetSeed(const IndexType & seed);

  void AddSeed(const IndexType & seed);

  itkSetMacro(Lower, InputImagePixelType);
  itkGetConstMacro(Lower, InputImagePixelType);

  itkSetMacro(Upper, InputImagePixelType);
  itkGetConstMacro(Upper, InputImagePixelType);

  itkSetMacro(ReplaceValue, OutputImagePixelType);
  itkGetConstMacro(ReplaceValue, OutputImagePixelType);

  itkSetMacro(Radius, InputImageSizeType);

  itkGetConstReferenceMacro(Radius, InputImageSizeType);

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

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( InputEqualityComparableCheck,
                   ( Concept::EqualityComparable< InputImagePixelType > ) );
  itkConceptMacro( OutputEqualityComparableCheck,
                   ( Concept::EqualityComparable< OutputImagePixelType > ) );
  itkConceptMacro( SameDimensionCheck,
                   ( Concept::SameDimension< InputImageDimension, OutputImageDimension > ) );
  itkConceptMacro( InputOStreamWritableCheck,
                   ( Concept::OStreamWritable< InputImagePixelType > ) );
  itkConceptMacro( OutputOStreamWritableCheck,
                   ( Concept::OStreamWritable< OutputImagePixelType > ) );
  // End concept checking
#endif

protected:
  NeighborhoodConnectedImageFilter();
  ~NeighborhoodConnectedImageFilter(){}
  std::vector< IndexType > m_Seeds;

  InputImagePixelType m_Lower;
  InputImagePixelType m_Upper;

  OutputImagePixelType m_ReplaceValue;

  InputImageSizeType m_Radius;

  // Override since the filter needs all the data for the algorithm
  void GenerateInputRequestedRegion();

  // Override since the filter produces the entire dataset
  void EnlargeOutputRequestedRegion(DataObject *output);

  void GenerateData();

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

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

#endif