#ifndef TFXDEF_INCLUDED
#define TFXDEF_INCLUDED
 
#include "traster.h"
 
#undef DVAPI
#undef DVVAR
#ifdef TNZCORE_DLL
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif
 
//----------------------------------------------------------
 
class TRasterFx;
class TRasterFxPort;
class ITFxNode;
class TParam;
 
//----------------------------------------------------------
 
//
//  Fx Arguments
//
class DVAPI ITFxArguments
{
public:
	ITFxArguments(){};
	virtual ~ITFxArguments(){};
 
	virtual void add(TParam *) = 0;
	virtual void add(TRasterFxPort *) = 0;
};
 
//----------------------------------------------------------
 
//
//  RasterPort
//
class DVAPI TRasterFxPort
{
	TRasterFx *m_fx;
	string m_name;
 
public:
	TRasterFxPort(ITFxArguments *args, string name)
		: m_name(name), m_fx(0) { args->add(this); };
	~TRasterFxPort(){};
 
	string getName() const { return m_name; };
	TRasterFx *operator->() const
	{
		assert(m_fx != 0);
		return m_fx;
	};
	bool isConnected() const { return m_fx != 0; };
 
	void setRasterFx(TRasterFx *fx) { m_fx = fx; };
 
private:
	// not implemented
	TRasterFxPort(const TRasterFxPort &);
	TRasterFxPort &operator=(const TRasterFxPort &);
};
 
//----------------------------------------------------------
 
//
// RasterFx
//
class DVAPI TRasterFx
{
public:
	TRasterFx(){};
	virtual ~TRasterFx(){};
 
	virtual bool getBBox(
		double frame,
		TRectD &bBox, // n.b Input/Output
		TPixel32 &bgColor) = 0;
 
	virtual string getName() const = 0;
 
	virtual TRect getInvalidRect(const TRect &max) = 0;
 
	virtual void compute(
		double frame,
		const TTile &tile) = 0;
 
	virtual void allocateAndCompute(
		double frame,
		const TDimension size, const TPointD &pos,
		TTile &tile);
 
private:
	TRasterFx(const TRasterFx &);
	TRasterFx &operator=(const TRasterFx &);
};
 
//----------------------------------------------------------
 
#endif