47 lines
1.5 KiB
TypeScript
47 lines
1.5 KiB
TypeScript
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import { MappingDatum } from '../interface';
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import Path, { PathCfg } from './path';
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import './shape/area';
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/** Area 几何标记构造函数参数 */
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export interface AreaCfg extends PathCfg {
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/**
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* 面积图是否从 0 基准线开始填充。
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* 1. 默认值为 `true`，表现如下：
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* 
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* 2. 当值为 `false` 时，表现如下：
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* 
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*/
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startOnZero?: boolean;
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}
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/**
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* Area 几何标记类。
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* 常用于绘制面积图。
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*/
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export default class Area extends Path {
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readonly type: string;
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readonly shapeType: string;
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/** 生成图形关键点 */
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readonly generatePoints: boolean;
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/**
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* 面积图是否从 0 基准线开始填充。
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* 1. 默认值为 `true`，表现如下：
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* 
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* 2. 当值为 `false` 时，表现如下：
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* 
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*/
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readonly startOnZero: boolean;
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constructor(cfg: AreaCfg);
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/**
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* 获取图形绘制的关键点以及数据
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* @param mappingData 映射后的数据
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*/
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protected getPointsAndData(mappingData: MappingDatum[]): {
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points: any[];
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data: any[];
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};
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/**
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* 获取 Y 轴上的最小值
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* @returns y 字段最小值
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*/
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protected getYMinValue(): number;
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}
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