#pragma once

#ifndef MODIFIERJITTER_INCLUDED

#define MODIFIERJITTER_INCLUDED

// TnzTools includes

#include <tools/inputmanager.h>

#undef DVAPI

#undef DVVAR

#ifdef TNZTOOLS_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

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

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

//    TModifierJitter definition

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

class DVAPI TModifierJitter : public TInputModifier {

public:

  typedef TSubTrackHandler Handler;

  class DVAPI Interpolator : public TTrackInterpolator {

  public:

    const unsigned int seedX;

    const unsigned int seedY;

    const double frequency;

    const double amplitude;

    Interpolator(TTrack &track, double period, double amplitude);

    TTrackPoint interpolateFromOriginal(double originalIndex);

    TTrackPoint interpolate(double index) override;

  };

public:

  double period;

  double amplitude;

  int skipFirst;

  TModifierJitter(

    double period = 30,

    double amplitude = 10,

    int skipFirst = 0 );

  void modifyTrack(

    const TTrack &track,

    TTrackList &outTracks ) override;

  void modifyTracks(

    const TTrackList &tracks,

    TTrackList &outTracks ) override;

  static double func(unsigned int seed, double x);

};

#endif