@zxh19890103/wik/2d/basic/ImageLayer.class.d.ts

The world-class JavaScript library for building large-scale digital warehouse both on 2D and 3D.

import L from 'leaflet';
import { ReactiveLayer } from '../../mixins';
import { Constructor } from '../../interfaces';
export type ImageLayerDataSource = HTMLImageElement | HTMLCanvasElement;
declare const ImageLayer_base: Constructor<L.Polygon<any> & ReactiveLayer>;
export declare class ImageLayer extends ImageLayer_base {
    private imgSrc;
    protected image: ImageLayerDataSource;
    protected width: number;
    protected height: number;
    /**
     * If you need to draw bound.
     */
    protected needDrawBound: boolean;
    constructor(imgSrc: string | ImageLayerDataSource, width: number, height: number);
    setImage(imgSrc: string | ImageLayerDataSource, draw?: boolean): void;
    getImage(): ImageLayerDataSource;
    showBounds(show?: boolean): void;
    onTransform(): void;
    /**
     * @see https://web.dev/canvas-performance/
     *
     * I cannot inspect the performance improvement
     */
    _updatePath(): void;
}
export interface ImageLayer {
    _renderer: L.Canvas;
    _pxBounds: L.Bounds;
    readonly __DEFAULT_IMAGE__: ImageLayerDataSource;
}
interface SetDefaultImageOptions {
    offscreenCanvas: boolean;
    scale: number;
}
export declare function setDefaultImage<T extends ImageLayer>(C: Constructor<T>, src: string, options?: SetDefaultImageOptions): Promise<unknown>;
export {};