@supermapgis/iclient-maplibregl/overlay/symbol/SingleSymbolRender.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.*/
/**
 * 单个符号
 * @returns {Object}
 * @private
 */
class SingleSymbolRender {
    constructor(map) {
        this.map = map;
    }

    /**
     * 符号转换成图层
     * @param {object} layer
     * @param {object} symbol
     * @param {string | undefined} before
     */
    addLayer(layer, symbol, before) {
        layer.paint && Object.assign(symbol.paint || {}, layer.paint);
        layer.layout && Object.assign(symbol.layout || {}, layer.layout);
        this.map.addLayerBySymbolBak({ ...layer, ...symbol }, before);
    }
}

export default SingleSymbolRender;