#pragma once

#ifndef GUIDELINEELLIPSE_INCLUDED

#define GUIDELINEELLIPSE_INCLUDED

// TnzTools includes

#include <tools assistant.h=""></tools>

#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

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

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

//    TGuidelineEllipse definition

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

class DVAPI TGuidelineEllipse : public TGuideline {

public:

  const TAffine matrix;

  const TAffine matrixInv;

  const double Rx;

  const double Ry;

  TGuidelineEllipse(

    bool enabled,

    double magnetism,

    const TAffine &matrix );

  TGuidelineEllipse(

    bool enabled,

    double magnetism,

    const TAffine &matrix,

    const TAffine &matrixInv );

  TGuidelineEllipse(

    bool enabled,

    double magnetism,

    const TAffine &matrix,

    const TAffine &matrixInv,

    double Rx,

    double Ry );

  //! returns false when ellipse is invisible

  static bool truncateEllipse(

    TAngleRangeSet &ranges,

    const TAffine &ellipseMatrixInv,

    const TRectD &bounds );

  static int calcSegmentsCount(const TAffine &ellipseMatrix, double pixelSize);

  TTrackPoint transformPoint(const TTrackPoint &point) const override;

  TPointD nearestPoint(const TPointD &point) const override;

  void draw(bool active, bool enabled) const override;

};

#endif