itkRegionGrowSurfacePoints.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    itkConnectedThresholdImageFilter.h
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  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 itkRegionGrowSurfacePoints_h
#define itkRegionGrowSurfacePoints_h

#include <itkImage.h>
#include <itkImageToImageFilter.h>
#include <itkSimpleDataObjectDecorator.h>

namespace itk {

template <class TInputImage, class TOutputImage>
class ITK_EXPORT RegionGrowSurfacePoints:
    public ImageToImageFilter<TInputImage,TOutputImage>
{
public:
  typedef RegionGrowSurfacePoints                Self;
  typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass;
  typedef SmartPointer<Self>                           Pointer;
  typedef SmartPointer<const Self>                     ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(RegionGrowSurfacePoints,
               ImageToImageFilter);

  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::IndexType    IndexType;
  typedef typename InputImageType::SizeType     SizeType;
  
  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 SetSeed ( const IndexType & seed );
  void AddSeed(const IndexType & seed);

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

  typedef SimpleDataObjectDecorator<InputImagePixelType> InputPixelObjectType;
  
  virtual void SetUpper( InputImagePixelType );
  virtual void SetLower( InputImagePixelType );
  
  virtual void SetUpperInput( const InputPixelObjectType *);
  virtual void SetLowerInput( const InputPixelObjectType *);

  virtual InputImagePixelType GetUpper() const;
  virtual InputImagePixelType GetLower() const;

  virtual InputPixelObjectType * GetUpperInput();
  virtual InputPixelObjectType * GetLowerInput();

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

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(OutputEqualityComparableCheck,
    (Concept::EqualityComparable<OutputImagePixelType>));
  itkConceptMacro(InputEqualityComparableCheck,
    (Concept::EqualityComparable<InputImagePixelType>));
  itkConceptMacro(InputConvertibleToOutputCheck,
    (Concept::Convertible<InputImagePixelType, OutputImagePixelType>));
  itkConceptMacro(SameDimensionCheck,
    (Concept::SameDimension<InputImageDimension, OutputImageDimension>));
  itkConceptMacro(IntConvertibleToInputCheck,
    (Concept::Convertible<int, InputImagePixelType>));
  itkConceptMacro(OutputOStreamWritableCheck,
    (Concept::OStreamWritable<OutputImagePixelType>));
#endif

protected:
  RegionGrowSurfacePoints();
  ~RegionGrowSurfacePoints(){};
  std::vector<IndexType> m_SeedList;
  InputImagePixelType    m_Lower;
  InputImagePixelType    m_Upper;
  OutputImagePixelType   m_ReplaceValue;
  
  // 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:
  RegionGrowSurfacePoints(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

};

} // end namespace itk

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

#endif