#pragma once

#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