Function visualSymbol

libs/echarts/echarts-en.simple.js:35535–35610

(seriesType, defaultSymbolType, legendSymbol)

*/

var visualSymbol = function (seriesType, defaultSymbolType, legendSymbol) {
    // Encoding visual for all series include which is filtered for legend drawing
    return {
        seriesType: seriesType,

        // For legend.
        performRawSeries: true,

        reset: function (seriesModel, ecModel, api) {
            var data = seriesModel.getData();

            var symbolType = seriesModel.get('symbol');
            var symbolSize = seriesModel.get('symbolSize');
            var keepAspect = seriesModel.get('symbolKeepAspect');
            var symbolRotate = seriesModel.get('symbolRotate');

            var hasSymbolTypeCallback = isFunction$1(symbolType);
            var hasSymbolSizeCallback = isFunction$1(symbolSize);
            var hasSymbolRotateCallback = isFunction$1(symbolRotate);
            var hasCallback = hasSymbolTypeCallback || hasSymbolSizeCallback || hasSymbolRotateCallback;
            var seriesSymbol = (!hasSymbolTypeCallback && symbolType) ? symbolType : defaultSymbolType;
            var seriesSymbolSize = !hasSymbolSizeCallback ? symbolSize : null;
            data.setVisual({
                legendSymbol: legendSymbol || seriesSymbol,
                // If seting callback functions on `symbol` or `symbolSize`, for simplicity and avoiding
                // to bring trouble, we do not pick a reuslt from one of its calling on data item here,
                // but just use the default value. Callback on `symbol` or `symbolSize` is convenient in
                // some cases but generally it is not recommanded.
                symbol: seriesSymbol,
                symbolSize: seriesSymbolSize,
                symbolKeepAspect: keepAspect,
                symbolRotate: symbolRotate
            });

            // Only visible series has each data be visual encoded
            if (ecModel.isSeriesFiltered(seriesModel)) {
                return;
            }

            function dataEach(data, idx) {
                if (hasCallback) {
                    var rawValue = seriesModel.getRawValue(idx);
                    var params = seriesModel.getDataParams(idx);
                    hasSymbolTypeCallback && data.setItemVisual(idx, 'symbol', symbolType(rawValue, params));
                    hasSymbolSizeCallback && data.setItemVisual(idx, 'symbolSize', symbolSize(rawValue, params));
                    hasSymbolRotateCallback && data.setItemVisual(idx, 'symbolRotate', symbolRotate(rawValue, params));
                }

                if (data.hasItemOption) {
                    var itemModel = data.getItemModel(idx);
                    var itemSymbolType = itemModel.getShallow('symbol', true);
                    var itemSymbolSize = itemModel.getShallow('symbolSize', true);
                    var itemSymbolRotate = itemModel.getShallow('symbolRotate', true);
                    var itemSymbolKeepAspect = itemModel.getShallow('symbolKeepAspect', true);

                    // If has item symbol
                    if (itemSymbolType != null) {
                        data.setItemVisual(idx, 'symbol', itemSymbolType);