@supermapgis/iclient-maplibregl/overlay/symbol/SymbolManager.js

@supermapgis/iclient-maplibregl 是一套基于 Maplibre GL 的云 GIS 网络客户端开发平台， 支持访问 SuperMap iServer / iEdge / iPortal / iManager / Online 的地图、服务和资源，为用户提供了完整专业的 GIS 能力， 同时提供了优秀的可视化功能。

/* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
 * This program are made available under the terms of the Apache License, Version 2.0
 * which accompanies this distribution and is available at http://www.apache.org/licenses/LICENSE-2.0.html.*/
class SymbolManager {

    constructor() {
        this.symbols = {};//addSymbol接口添加的symbol信息
        this.images = {};//在loadImage的时候存下image
    }

    addSymbol(id, symbol) {
        symbol.layout && delete symbol.layout.visibility;
        this.symbols[id] = symbol;
    }

    getSymbol(id) {
        return this.symbols[id] && JSON.parse(JSON.stringify(this.symbols[id]));
    }

    removeSymbol(id) {
        delete this.symbols[id];
    }

    addImageInfo(id, image) {
        this.images[id] = image;
    }

    getImageInfo(id) {
        return this.images[id];
    }
}

export default SymbolManager;