gPolyTCBSpline

procedure gPolyTCBSpline(

  xBitmap: tBitmap32;

  const xPoints: tArrayOfArrayOfFixedPoint;

  const xTension: Double;

  const xContinuity: Double;

  const xBias: Double;

  const xColor: tColor32;

  const xClosed: Boolean;

  const xOptions: tPolygonDrawOptions = pdoFloat

);