Function ZRender

_benchmarks/sample_echarts.js:6350–6387

(id, dom, opts)

    }
    var ZRender = (function () {
        function ZRender(id, dom, opts) {
            var _this = this;
            this._sleepAfterStill = 10;
            this._stillFrameAccum = 0;
            this._needsRefresh = true;
            this._needsRefreshHover = true;
            this._darkMode = false;
            opts = opts || {};
            this.dom = dom;
            this.id = id;
            var storage = new Storage();
            var rendererType = opts.renderer || 'canvas';
            if (useVML) {
                throw new Error('IE8 support has been dropped since 5.0');
            }
            if (!painterCtors[rendererType]) {
                rendererType = keys(painterCtors)[0];
            }
            if (!painterCtors[rendererType]) {
                throw new Error("Renderer '" + rendererType + "' is not imported. Please import it first.");
            }
            opts.useDirtyRect = opts.useDirtyRect == null
                ? false
                : opts.useDirtyRect;
            var painter = new painterCtors[rendererType](dom, storage, opts, id);
            this.storage = storage;
            this.painter = painter;
            var handerProxy = (!env.node && !env.worker)
                ? new HandlerDomProxy(painter.getViewportRoot(), painter.root)
                : null;
            this.handler = new Handler(storage, painter, handerProxy, painter.root);
            this.animation = new Animation({
                stage: {
                    update: function () { return _this._flush(true); }
                }
            });
            this.animation.start();
        }
        ZRender.prototype.add = function (el) {
            if (!el) {
                return;