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 <vtkSmartPointer.h>
  11
  12 // -------------------------------------------------------------------------
  13 class vtkPoints;
  14 class vtkPolygon;
  15
  16 // -------------------------------------------------------------------------
  17 namespace cpExtensions
  18 {
  19   namespace Algorithms
  20   {
  21     /**
  22      */
  23     template< class _TImage >
  24     class RasterContourFilter
  25       : public itk::ImageSource< _TImage >
  26     {
  27     public:
  28       // Basic types
  29       typedef RasterContourFilter             Self;
  30       typedef itk::ImageSource< _TImage >     Superclass;
  31       typedef itk::SmartPointer< Self >       Pointer;
  32       typedef itk::SmartPointer< const Self > ConstPointer;
  33
  34       typedef _TImage TImage;
  35       typedef typename _TImage::IndexType  TIndex;
  36       typedef typename _TImage::PixelType  TPixel;
  37       typedef typename _TImage::PointType  TPoint;
  38       typedef typename _TImage::RegionType TRegion;
  39       typedef itk::ImageBase< 2 > TImageBase;
  40
  41     public:
  42       itkNewMacro( Self );
  43       itkTypeMacro( RasterContourFilter, itk::ImageSource );
  44
  45       itkGetConstObjectMacro( Template, TImageBase );
  46       itkGetConstMacro( InsideValue, TPixel );
  47       itkGetConstMacro( OutsideValue, TPixel );
  48
  49       itkSetConstObjectMacro( Template, TImageBase );
  50       itkSetMacro( InsideValue, TPixel );
  51       itkSetMacro( OutsideValue, TPixel );
  52
  53     public:
  54       void AddPoint( double x, double y );
  55       void AddPoint( double p[ 2 ] );
  56       void AddPoints( vtkPoints* points );
  57       void ClearPoints( );
  58
  59     protected:
  60       RasterContourFilter( );
  61       virtual ~RasterContourFilter( );
  62
  63       virtual void AllocateOutputs( ) cpExtensions_OVERRIDE;
  64       virtual void BeforeThreadedGenerateData( ) cpExtensions_OVERRIDE;
  65       virtual void AfterThreadedGenerateData( ) cpExtensions_OVERRIDE;
  66       virtual void ThreadedGenerateData(
  67         const TRegion& region, itk::ThreadIdType id
  68         ) cpExtensions_OVERRIDE;
  69
  70     private:
  71       // Purposely not implemented
  72       RasterContourFilter( const Self& );
  73       void operator=( const Self& );
  74
  75     protected:
  76       vtkSmartPointer< vtkPolygon >     m_Polygon;
  77       typename TImageBase::ConstPointer m_Template;
  78       TPixel m_InsideValue;
  79       TPixel m_OutsideValue;
  80     };
  81
  82   } // ecapseman
  83
  84 } // ecapseman
  85
  86 #ifndef ITK_MANUAL_INSTANTIATION
  87 #  include <cpExtensions/Algorithms/RasterContourFilter.hxx>
  88 #endif // ITK_MANUAL_INSTANTIATION
  89
  90 #endif // __cpExtensions__Algorithms__RasterContourFilter__h__
  91
  92 // eof - $RCSfile$