ComputeOpenedSpline

function ComputeOpenedSpline(

  const APoints: array of TPointF;

  AStyle: TSplineStyle;

  AEndCoeff: single = 0.25;

  AAcceptedDeviation: single = DefaultDeviation

):ArrayOfTPointF;

function ComputeOpenedSpline(

  const APoints: array of TPointF;

  AStart: Integer;

  ACount: Integer;

  AStyle: TSplineStyle;

  AEndCoeff: single = 0.25;

  AAcceptedDeviation: single = DefaultDeviation

):ArrayOfTPointF;