FlattenCBezier

function FlattenCBezier(

  const pt1: TPointD;

  const pt2: TPointD;

  const pt3: TPointD;

  const pt4: TPointD;

  tolerance: Double = 0.0

):TPathD; overload;

function FlattenCBezier(

  const path: TPathD;

  tolerance: Double = 0.0

):TPathD; overload;

function FlattenCBezier(

  const paths: TPathsD;

  tolerance: Double = 0.0

):TPathsD; overload;

function FlattenCBezier(

  const firstPt: TPointD;

  const pts: TPathD;

  tolerance: Double = 0.0

):TPathD; overload;