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

insertPoint() bool MgSplines::insertPoint ( int  segment, const Point2d &  pt  ) virtual 在指定段插入一个顶点 重载 MgBaseLines . 这是这个函数的调用关系图: