calculateBorders clone DxfLine DxfLine getAngle1 getAngle2 getDirection1 getDirection2 getEndPoint getLineType getMiddlePoint getStartPoint m_EndPoint m_LineType m_Scale m_StartPoint move rotate setEndPoint setLineType setScale setStartPoint writeDxf ~DxfLine

getEndPoint() virtual DxfVector getEndPoint ( ) const overridevirtual 第二个点坐标 重载 DxfEntity .