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

setDegree() void setDegree ( int  degree ) 设置阶数 设置二维贝塞尔曲线阶数 参数 [in] degree 阶数