#ifndef __cpExtensions__Visualization__LUTImageActor__h__
#define __cpExtensions__Visualization__LUTImageActor__h__

#include <cpExtensions/Visualization/ImageActor.h>
#include <vector>

// -------------------------------------------------------------------------
class vtkImageMapToColors;
class vtkLookupTable;

// -------------------------------------------------------------------------
namespace cpExtensions
{
  namespace Algorithms { class ImageBlender; }

  namespace Visualization
  {
    /**
     */
    class cpExtensions_EXPORT LUTImageActor
      : public ImageActor
    {
    public:
      typedef LUTImageActor Self;

    protected:
      typedef cpExtensions::Algorithms::ImageBlender _TImageBlender;

    public:
      vtkTypeMacro( LUTImageActor, ImageActor );

    public:
      static Self* New( );

      unsigned int GetNumberOfImages( ) const;
      vtkImageData* GetImage( unsigned int id );
      const vtkImageData* GetImage( unsigned int id ) const;
      unsigned int GetImageId( vtkImageData* image ) const;
      void GetLUTColor(
        unsigned int id, double& r, double& g, double& b, double& a
        ) const;
      void GetLUTColor(
        vtkImageData* image, double& r, double& g, double& b, double& a
        ) const;
      void SetLUTColor(
        unsigned int id, double r, double g, double b, double a
        );
      void SetLUTColor(
        vtkImageData* image, double r, double g, double b, double a
        );
      unsigned int AddImage(
        vtkImageData* image,
        double r = 1, double g = 0, double b = 0, double a = 1
        );

    protected:
      LUTImageActor( );
      virtual ~LUTImageActor( );

    private:
      // Purposely not implemented
      LUTImageActor( const Self& );
      Self& operator=( const Self& );

    protected:
      vtkSmartPointer< vtkLookupTable >              m_LUT;
      vtkSmartPointer< _TImageBlender >              m_Blender;
      vtkSmartPointer< vtkImageMapToColors >         m_ImageMap;
      std::vector< vtkSmartPointer< vtkImageData > > m_Images;
    };

  } // ecapseman

} // ecapseman

#endif // __cpExtensions__Visualization__LUTImageActor__h__

// eof - $RCSfile$