import { LooseObject } from '../interface'; import { getXDimensionLength } from '../util/coordinate'; import Geometry from './base'; /** 引入对应的 ShapeFactory */ import './shape/schema'; import { getDefaultSize } from './util/shape-size'; /** * Schema 几何标记,用于一些自定义图形的绘制,比如箱型图、股票图等。 */ export default class Schema extends Geometry { public readonly type: string = 'schema'; public readonly shapeType: string = 'schema'; protected generatePoints: boolean = true; /** * 获取 Shape 的关键点数据。 * @param record * @returns */ protected createShapePointsCfg(record: LooseObject) { const cfg = super.createShapePointsCfg(record); // 计算每个 shape 的 size let size; const sizeAttr = this.getAttribute('size'); if (sizeAttr) { size = this.getAttributeValues(sizeAttr, record)[0]; // 归一化 const coordinate = this.coordinate; const coordinateWidth = getXDimensionLength(coordinate); size = size / coordinateWidth; } else { if (!this.defaultSize) { this.defaultSize = getDefaultSize(this); } size = this.defaultSize; } cfg.size = size; return cfg; } }