amap-jsapi-v2-types
Version:
高德 JSAPI v2 类型声明文件
45 lines (41 loc) • 1.46 kB
TypeScript
import type { Bounds, BoundsLike } from '../common/Bounds';
import type { BaseLayer, CommonLayerOptions } from './BaseLayer';
export type CanvasLayerOption = CommonLayerOptions & {
/** Canvas DOM 对象. 可以后续通过 setCanvas 方法设置 */
canvas?: HTMLCanvasElement;
/** canvas 的范围大小经纬度, 如果传递数字数组类型: [minlng,minlat,maxlng,maxlat] */
bounds?: BoundsLike;
};
/**
* 图片图层类,用户可以将一张静态图片作为图层添加在地图上,图片图层会随缩放级别而自适应缩放。
* https://lbs.amap.com/api/javascript-api-v2/documentation#canvaslayer
* @warning 官方文档声明有误
*
* @example new AMap.CanvasLayer(opts: CanvasLayerOptions)
*/
export declare class CanvasLayer extends BaseLayer {
constructor(options?: CanvasLayerOption);
/**
* 修改显示的 Canvas
* @param {HTMLCanvasElement} canvas
*/
setCanvas(canvas: HTMLCanvasElement): void;
/**
* 返回 Canvas 对象
* @returns {HTMLCanvasElement | undefined} 未设置时会返回 undefined
*/
getElement(): HTMLCanvasElement | undefined;
/**
* 获取 ImageLayer 显示的范围
*/
getBounds(): Bounds;
/**
* 设置 ImageLayer显示的范围
*/
setBounds(bounds: CanvasLayerOption['bounds']): void;
/**
* 当canvas的内容发生改变是用于刷新图层,3D视图下调用,2D视图不需要调用
*/
reFresh(): void;
}
export default CanvasLayer;