77 lines
2.3 KiB
TypeScript
77 lines
2.3 KiB
TypeScript
import { MappingDatum } from '../../interface';
|
|
import { LabelCfg, LabelItem, LabelPointCfg, TextAlign } from './interface';
|
|
import Labels from '../../component/labels';
|
|
import Geometry from '../base';
|
|
export declare type GeometryLabelConstructor = new (cfg: any) => GeometryLabel;
|
|
/**
|
|
* Geometry Label 基类，用于生成 Geometry 下所有 label 的配置项信息
|
|
*/
|
|
export default class GeometryLabel {
|
|
/** geometry 实例 */
|
|
readonly geometry: Geometry;
|
|
labelsRenderer: Labels;
|
|
/** 默认的布局 */
|
|
defaultLayout: string;
|
|
constructor(geometry: Geometry);
|
|
getLabelItems(mapppingArray: MappingDatum[]): LabelItem[];
|
|
render(mapppingArray: MappingDatum[], isUpdate?: boolean): void;
|
|
clear(): void;
|
|
destroy(): void;
|
|
getCoordinate(): import("@antv/coord/lib/coord/base").default;
|
|
/**
|
|
* 获取 label 的默认配置
|
|
*/
|
|
protected getDefaultLabelCfg(): any;
|
|
/**
|
|
* 设置 label 位置
|
|
* @param labelPointCfg
|
|
* @param mappingData
|
|
* @param index
|
|
* @param position
|
|
*/
|
|
protected setLabelPosition(labelPointCfg: LabelPointCfg, mappingData: MappingDatum, index: number, position: string): void;
|
|
/**
|
|
* 获取文本默认偏移量
|
|
* @param offset
|
|
* @returns
|
|
*/
|
|
protected getDefaultOffset(offset: number): number;
|
|
/**
|
|
* 获取每个 label 的偏移量
|
|
* @param labelCfg
|
|
* @param index
|
|
* @param total
|
|
* @returns
|
|
*/
|
|
protected getLabelOffset(labelCfg: LabelCfg, index: number, total: number): {
|
|
x: number;
|
|
y: number;
|
|
};
|
|
/**
|
|
* 获取每个 label 的位置
|
|
* @param labelCfg
|
|
* @param mappingData
|
|
* @param index
|
|
* @returns label point
|
|
*/
|
|
protected getLabelPoint(labelCfg: LabelCfg, mappingData: MappingDatum, index: number): LabelPointCfg;
|
|
/**
|
|
* 获取文本的对齐方式
|
|
* @param item
|
|
* @param index
|
|
* @param total
|
|
* @returns
|
|
*/
|
|
protected getLabelAlign(item: LabelItem, index: number, total: number): TextAlign;
|
|
/**
|
|
* 获取每一个 label 的唯一 id
|
|
* @param mappingData label 对应的图形的绘制数据
|
|
*/
|
|
protected getLabelId(mappingData: MappingDatum): any;
|
|
private getLabelsRenderer;
|
|
private getLabelCfgs;
|
|
private getLabelText;
|
|
private getOffsetVector;
|
|
private getGeometryShapes;
|
|
}
|