@orca-fe/x-map/esm/instance/EmptyInstance.js

import BaseInstance from './BaseInstance';
import { getMapViewport } from '../utils/WebViewport';
class EmptyInstance extends BaseInstance {
    constructor() {
        super(...arguments);
        this.viewport = {
            lat: 0,
            pitch: 0,
            lng: 0,
            zoom: 11,
            rotate: 0,
        };
    }
    init(id, options) {
        const { viewport } = options;
        this.viewport = Object.assign(Object.assign({}, this.viewport), viewport);
        this.map = {};
        this.dom = typeof id === 'string' ? document.getElementById(id) : id;
        this.emit('load');
    }
    destroy() {
        this.emit('unloaded');
    }
    lnglatToPixel(point) {
        const wmvp = getMapViewport(this.getViewport());
        return wmvp.project(point);
    }
    pixelToLnglat(pixel) {
        const wmvp = getMapViewport(this.getViewport());
        return wmvp.unproject(pixel);
    }
    getCenter() {
        return [this.viewport.lng, this.viewport.lat];
    }
    setCenter(point) {
        [this.viewport.lng, this.viewport.lat] = point;
    }
    getZoom() {
        return this.viewport.zoom;
    }
    setZoom(zoom) {
        this.viewport.zoom = zoom;
    }
    getPitch() {
        return this.viewport.pitch;
    }
    setPitch(pitch) {
        this.viewport.pitch = pitch;
    }
    getRotate() {
        return this.viewport.rotate;
    }
    setRotate(deg) {
        this.viewport.rotate = deg;
    }
}
export default EmptyInstance;