#ifndef TRASTERFXRENDERDATA_H

#define TRASTERFXRENDERDATA_H

// TnzCore includes

#include "tcommon.h"

#undef DVAPI

#undef DVVAR

#ifdef TFX_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//******************************************************************************

//    TRasterFxRenderData  class

//******************************************************************************

//! Base class for custom data that can added by an fx to be processed in a

//! downstrem fx.

class DVAPI TRasterFxRenderData : public TSmartObject

{

public:

	virtual ~TRasterFxRenderData() {}

	virtual bool operator==(const TRasterFxRenderData &data) const = 0;

	virtual std::string toString() const = 0;

	//! Returns a value respresenting the type of a renderData instance. The type

	//! is used to sort renderData entries for both retrieval and processing.

	//! The floating return type specification is used to allow insertions between

	//! two close-up values, if needed.

	virtual float typeIndex() const = 0;

	//! Currently used by TColumnFx to find out whether a renderData instance

	//! will enlarge the rendering of the specified bounding box.

	virtual TRectD getBBoxEnlargement(const TRectD &bbox) { return bbox; }

};

//===================================================================

#ifdef WIN32

template class DVAPI TSmartPointerT<trasterfxrenderdata>;</trasterfxrenderdata>

#endif

typedef TSmartPointerT<trasterfxrenderdata> TRasterFxRenderDataP;</trasterfxrenderdata>

#endif // TRASTERFXRENDERDATA_H