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

resize() bool MgSplines::resize ( int  count ) virtual 改变顶点数 重载 MgBaseLines . 这是这个函数的调用关系图: