#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