libs/fpa/Image/RegionGrow.h

   1 // =========================================================================
   2 // @author Leonardo Florez Valencia
   3 // @email florez-l@javeriana.edu.co
   4 // =========================================================================
   5
   6 #ifndef __fpa__Image__RegionGrow__h__
   7 #define __fpa__Image__RegionGrow__h__
   8
   9 #include <itkImageToImageFilter.h>
  10 #include <itkFunctionBase.h>
  11 #include <set>
  12
  13 namespace fpa
  14 {
  15   namespace Image
  16   {
  17     /**
  18      */
  19     template< class _TInputImage, class _TOutputImage >
  20     class RegionGrow
  21       : public itk::ImageToImageFilter< _TInputImage, _TOutputImage >
  22     {
  23     public:
  24       typedef _TInputImage  TInputImage;
  25       typedef _TOutputImage TOutputImage;
  26
  27       typedef RegionGrow                                                 Self;
  28       typedef itk::ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  29       typedef itk::SmartPointer< Self >                               Pointer;
  30       typedef itk::SmartPointer< const Self >                    ConstPointer;
  31
  32       typedef typename TInputImage::IndexType  TIndex;
  33       typedef typename TInputImage::RegionType TRegion;
  34       typedef typename TInputImage::PixelType  TInputPixel;
  35       typedef typename TOutputImage::PixelType TOutputPixel;
  36
  37       typedef itk::FunctionBase< TInputPixel, bool > TIntensityFunctor;
  38
  39       typedef std::set< TIndex, typename TIndex::LexicographicCompare > TSeeds;
  40
  41     public:
  42       itkNewMacro( Self );
  43       itkTypeMacro( fpa::Image::RegionGrow, itk::ImageToImageFilter );
  44
  45       itkGetConstMacro( InsideValue, TOutputPixel );
  46       itkGetConstMacro( OutsideValue, TOutputPixel );
  47
  48       itkSetMacro( InsideValue, TOutputPixel );
  49       itkSetMacro( OutsideValue, TOutputPixel );
  50
  51     public:
  52       void SetPredicate( TIntensityFunctor* functor );
  53
  54       void AddSeed( const TIndex& seed );
  55
  56     protected:
  57       RegionGrow( );
  58       virtual ~RegionGrow( );
  59
  60       virtual void GenerateInputRequestedRegion( ) override;
  61       virtual void EnlargeOutputRequestedRegion(
  62         itk::DataObject* output
  63         ) override;
  64       virtual void GenerateData( ) override;
  65
  66     private:
  67       // Purposely not implemented
  68       RegionGrow( const Self& other );
  69       Self& operator=( const Self& other );
  70
  71     protected:
  72       typename TIntensityFunctor::Pointer m_IntensityFunctor;
  73       TSeeds m_Seeds;
  74       TOutputPixel m_InsideValue;
  75       TOutputPixel m_OutsideValue;
  76     };
  77
  78   } // ecapseman
  79
  80 } // ecapseman
  81
  82 #ifndef ITK_MANUAL_INSTANTIATION
  83 #  include <fpa/Image/RegionGrow.hxx>
  84 #endif // ITK_MANUAL_INSTANTIATION
  85
  86 #endif // __fpa__Image__RegionGrow__h__
  87
  88 // eof - $RCSfile$