BezierCurve2D BezierCurve2D BezierCurve2D copy getDegree getLength getMultiplicities getPeriodic getPoles getRational isClosed mDegree mMultiplicities mPeriodic mPoles mRational setDegree setMultiplicities setPeriodic setPoles setRational ~BezierCurve2D

setPeriodic() void setPeriodic ( bool  periodic ) 设置是否为周期性曲线 设置二维贝塞尔曲线是否为周期性曲线 参数 [in] periodic 是否为周期性曲线