_clear _copy _equals _hitTest _hitTestBox _knotvs _load _output _save _setHandlePoint _setPoint _transform addPoint clearVectors getVectors insertPoint isCurve removePoint resize smooth smoothForPoints

isCurve() virtual bool MgSplines::isCurve ( ) const virtual 返回是否为曲线图形 重载 MgBaseShape . 函数调用图: