#ifndef __CPEXTENSIONS__VISUALIZATION__MPRACTORS__H__
#define __CPEXTENSIONS__VISUALIZATION__MPRACTORS__H__

#include <cpExtensions/cpExtensions_Export.h>
#include <cpExtensions/Visualization/ImageSliceActors.h>

#include <vtkActor.h>
#include <vtkImageMapToColors.h>

// -------------------------------------------------------------------------
class vtkAlgorithmOutput;
class vtkImageData;
class vtkRenderer;
class vtkScalarsToColors;
class vtkWindowLevelLookupTable;

// -------------------------------------------------------------------------
namespace cpExtensions
{
  namespace Visualization
  {
    /**
     */
    class cpExtensions_EXPORT MPRActors
      : public vtkPropCollection
    {
    public:
      typedef MPRActors Self;

    public:
      vtkTypeMacro( MPRActors, vtkPropCollection );

      cpPlugins_ImageSliceActors( ImageOutline, vtkImageActor );

    public:
      // Creation
      static MPRActors* New( );

      ImageSliceActors* GetSliceActors( const int& i ) const;
      void SetInputConnection( vtkAlgorithmOutput* aout );
      void SetInputData( vtkImageData* image );

      void PushDataInto(
        vtkRenderer* x,
        vtkRenderer* y,
        vtkRenderer* z,
        vtkRenderer* w
        );
      void PopDataFrom(
        vtkRenderer* x,
        vtkRenderer* y,
        vtkRenderer* z,
        vtkRenderer* w
        );

      // Lookup table methods
      vtkScalarsToColors* GetLookupTable( ) const;
      void SetLookupTable( vtkScalarsToColors* lut );

      // Grayscale window/level lookup
      vtkWindowLevelLookupTable* GetLookupTableAsWindowLevel( ) const;
      void SetLookupTableToWindowLevel( );
      double GetMinWindow( ) const;
      double GetMaxWindow( ) const;
      double GetMinLevel( ) const;
      double GetMaxLevel( ) const;
      double GetWindow( ) const;
      double GetLevel( ) const;
      void SetWindow( const double& w );
      void SetLevel( const double& l );
      void SetWindowLevel( const double& w, const double& l );
      void ResetWindowLevel( );

      // Slice access
      int GetSliceNumberMinValue( const int& axis ) const;
      int GetSliceNumberMaxValue( const int& axis ) const;
      int GetSlice( const int& axis ) const;
      void SetSlice( const int& axis, const int& slice );
      void SetSlice( const int& axis, const double& slice );
      void ResetSlices( );

      // General accessors
      void GetImageBounds( double bounds[ 6 ] ) const;

    protected:
      MPRActors( );
      virtual ~MPRActors( );

      vtkImageData* _InputImage( ) const;
      void _UpdateSlices( );

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

    protected:
      vtkSmartPointer< vtkImageMapToColors > ImageMapToColors;
      vtkSmartPointer< vtkActor >            ImageOutlineActor;

      typedef
        cpExtensions::Visualization::ImageSliceActors
        _TSlice;
      vtkSmartPointer< _TSlice > Slices[ 3 ];

      unsigned int ImageOutlineActorIndex;
    };

  } // ecapseman

} // ecapseman

#endif //  __CPEXTENSIONS__VISUALIZATION__MPRACTORS__H__

// eof - $RCSfile$