43 lines
1.3 KiB
TypeScript
43 lines
1.3 KiB
TypeScript
import { BBox, IGroup, IShape } from '../dependents';
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import { LabelItem } from '../geometry/label/interface';
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import { AnimateOption, GeometryLabelLayoutCfg } from '../interface';
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/**
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* Labels 实例创建时，传入构造函数的参数定义
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*/
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export interface LabelsGroupCfg {
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/** label 容器 */
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container: IGroup;
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/** label 布局配置 */
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layout?: GeometryLabelLayoutCfg | GeometryLabelLayoutCfg[];
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}
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/**
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* Geometry labels 渲染组件
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*/
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export default class Labels {
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/** 用于指定 labels 布局的类型 */
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layout: GeometryLabelLayoutCfg | GeometryLabelLayoutCfg[];
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/** 图形容器 */
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container: IGroup;
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/** 动画配置 */
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animate: AnimateOption | false;
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/** label 绘制的区域 */
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region: BBox;
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/** 存储当前 shape 的映射表，键值为 shape id */
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shapesMap: Record<string, IGroup>;
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private lastShapesMap;
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constructor(cfg: LabelsGroupCfg);
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/**
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* 渲染文本
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*/
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render(items: LabelItem[], shapes: Record<string, IShape | IGroup>, isUpdate?: boolean): void;
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/** 清楚当前 labels */
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clear(): void;
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/** 销毁 */
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destroy(): void;
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private renderLabel;
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private doLayout;
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private renderLabelLine;
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private createOffscreenGroup;
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private adjustLabel;
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}
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