ILineDataBase 接口
interface ILineDataBase extends Omit<ILineBase, 'ellipseCenter' | 'clockwise' | 'minorArc' | 'radius' | 'majorRadius' | 'minorRadius'>
直线
继承： Omit<ILineBase, 'ellipseCenter' | 'clockwise' | 'minorArc' | 'radius' | 'majorRadius' | 'minorRadius'>
属性
type
type: ELineType.SEGMENT;
线条类型