lib/cpExtensions/Algorithms/RasterContourFilter.h

   1 // -------------------------------------------------------------------------
   2 // @author Leonardo Florez-Valencia (florez-l@javeriana.edu.co)
   3 // -------------------------------------------------------------------------
   4
   5 #ifndef __cpExtensions__Algorithms__RasterContourFilter__h__
   6 #define __cpExtensions__Algorithms__RasterContourFilter__h__
   7
   8 #include <cpExtensions/Config.h>
   9 #include <itkImageSource.h>
  10 #include <deque>
  11
  12 // -------------------------------------------------------------------------
  13 namespace cpExtensions
  14 {
  15   namespace Algorithms
  16   {
  17     /**
  18      */
  19     template< class _TImage >
  20     class RasterContourFilter
  21       : public itk::ImageSource< _TImage >
  22     {
  23     public:
  24       // Basic types
  25       typedef RasterContourFilter             Self;
  26       typedef itk::ImageSource< _TImage >     Superclass;
  27       typedef itk::SmartPointer< Self >       Pointer;
  28       typedef itk::SmartPointer< const Self > ConstPointer;
  29
  30       typedef _TImage TImage;
  31       typedef typename _TImage::IndexType  TIndex;
  32       typedef typename _TImage::PixelType  TPixel;
  33       typedef typename _TImage::PointType  TPoint;
  34       typedef typename _TImage::RegionType TRegion;
  35       typedef itk::ImageBase< 2 > TImageBase;
  36
  37     public:
  38       itkNewMacro( Self );
  39       itkTypeMacro( RasterContourFilter, itk::ImageSource );
  40
  41       itkGetConstObjectMacro( Template, TImageBase );
  42       itkGetConstMacro( InsideValue, TPixel );
  43       itkGetConstMacro( OutsideValue, TPixel );
  44
  45       itkSetConstObjectMacro( Template, TImageBase );
  46       itkSetMacro( InsideValue, TPixel );
  47       itkSetMacro( OutsideValue, TPixel );
  48
  49     public:
  50       void AddPoint( double x, double y );
  51       void AddPoint( double p[ 2 ] );
  52       template< class _TPoint >
  53         inline void AddPoint( const _TPoint& p );
  54       void ClearPoints( );
  55
  56     protected:
  57       RasterContourFilter( );
  58       virtual ~RasterContourFilter( );
  59
  60       virtual void AllocateOutputs( ) cpExtensions_OVERRIDE;
  61       virtual void BeforeThreadedGenerateData( ) cpExtensions_OVERRIDE;
  62       virtual void AfterThreadedGenerateData( ) cpExtensions_OVERRIDE;
  63       virtual void ThreadedGenerateData(
  64         const TRegion& region, itk::ThreadIdType id
  65         ) cpExtensions_OVERRIDE;
  66
  67     private:
  68       // Purposely not implemented
  69       RasterContourFilter( const Self& );
  70       void operator=( const Self& );
  71
  72     protected:
  73       std::deque< TPoint > m_Contour;
  74       std::deque< TIndex > m_Polygon;
  75       TRegion m_ROI;
  76       typename TImageBase::ConstPointer m_Template;
  77       TPixel m_InsideValue;
  78       TPixel m_OutsideValue;
  79     };
  80
  81   } // ecapseman
  82
  83 } // ecapseman
  84
  85 // -------------------------------------------------------------------------
  86 template< class _TImage >
  87 template< class _TPoint >
  88 void cpExtensions::Algorithms::RasterContourFilter< _TImage >::
  89 AddPoint( const _TPoint& p )
  90 {
  91   TPoint pnt;
  92   pnt[ 0 ] = p[ 0 ];
  93   pnt[ 1 ] = p[ 2 ];
  94   this->m_Contour.push_back( pnt );
  95   this->Modified( );
  96 }
  97
  98 // -------------------------------------------------------------------------
  99 #ifndef ITK_MANUAL_INSTANTIATION
 100 #  include <cpExtensions/Algorithms/RasterContourFilter.hxx>
 101 #endif // ITK_MANUAL_INSTANTIATION
 102
 103 #endif // __cpExtensions__Algorithms__RasterContourFilter__h__
 104
 105 // eof - $RCSfile$