Function updateStyle

libs/echarts/echarts.simple.js:42610–42649

(
    el, data, dataIndex, itemModel, layout, seriesModel, isHorizontal, isPolar
)

}

function updateStyle(
    el, data, dataIndex, itemModel, layout, seriesModel, isHorizontal, isPolar
) {
    var color = data.getItemVisual(dataIndex, 'color');
    var opacity = data.getItemVisual(dataIndex, 'opacity');
    var stroke = data.getVisual('borderColor');
    var itemStyleModel = itemModel.getModel('itemStyle');
    var hoverStyle = itemModel.getModel('emphasis.itemStyle').getBarItemStyle();

    if (!isPolar) {
        el.setShape('r', itemStyleModel.get('barBorderRadius') || 0);
    }

    el.useStyle(defaults(
        {
            stroke: isZeroOnPolar(layout) ? 'none' : stroke,
            fill: isZeroOnPolar(layout) ? 'none' : color,
            opacity: opacity
        },
        itemStyleModel.getBarItemStyle()
    ));

    var cursorStyle = itemModel.getShallow('cursor');
    cursorStyle && el.attr('cursor', cursorStyle);

    var labelPositionOutside = isHorizontal
        ? (layout.height > 0 ? 'bottom' : 'top')
        : (layout.width > 0 ? 'left' : 'right');

    if (!isPolar) {
        setLabel(
            el.style, hoverStyle, itemModel, color,
            seriesModel, dataIndex, labelPositionOutside
        );
    }
    if (isZeroOnPolar(layout)) {
        hoverStyle.fill = hoverStyle.stroke = 'none';
    }
    setHoverStyle(el, hoverStyle);
}

// In case width or height are too small.
function getLineWidth(itemModel, rawLayout) {