Function updateStyle

src/chart/bar/BarView.ts:984–1075

(
    el: BarPossiblePath,
    data: SeriesData,
    dataIndex: number,
    itemModel: Model<BarDataItemOption>,
    layout: RectLayout | SectorLayout,
    seriesModel: BarSeriesModel,
    isHorizontalOrRadial: boolean,
    isPolar: boolean
)

}

function updateStyle(
    el: BarPossiblePath,
    data: SeriesData,
    dataIndex: number,
    itemModel: Model<BarDataItemOption>,
    layout: RectLayout | SectorLayout,
    seriesModel: BarSeriesModel,
    isHorizontalOrRadial: boolean,
    isPolar: boolean
) {
    const style = data.getItemVisual(dataIndex, 'style');

    if (!isPolar) {
        const borderRadius = itemModel
            .get(['itemStyle', 'borderRadius']) as number | number[] || 0;
        (el as Rect).setShape('r', borderRadius);
    }
    else if (!seriesModel.get('roundCap')) {
        const sectorShape = (el as Sector).shape;
        const cornerRadius = getSectorCornerRadius(
            itemModel.getModel('itemStyle'),
            sectorShape,
            true
        );
        extend(sectorShape, cornerRadius);
        (el as Sector).setShape(sectorShape);
    }

    el.useStyle(style);

    const cursorStyle = itemModel.getShallow('cursor');
    cursorStyle && (el as Path).attr('cursor', cursorStyle);

    const labelPositionOutside = isPolar
        ? (isHorizontalOrRadial
            ? ((layout as SectorLayout).r >= (layout as SectorLayout).r0 ? 'endArc' : 'startArc')
            : ((layout as SectorLayout).endAngle >= (layout as SectorLayout).startAngle
                ? 'endAngle'
                : 'startAngle'
            )
        )
        : (isHorizontalOrRadial
            ? getLabelPositionForHorizontal(layout as RectLayout, seriesModel.coordinateSystem)
            : getLabelPositionForVertical(layout as RectLayout, seriesModel.coordinateSystem));

    const labelStatesModels = getLabelStatesModels(itemModel);

    setLabelStyle(
        el, labelStatesModels,
        {
            labelFetcher: seriesModel,
            labelDataIndex: dataIndex,
            defaultText: getDefaultLabel(seriesModel.getData(), dataIndex),
            inheritColor: style.fill as ColorString,
            defaultOpacity: style.opacity,
            defaultOutsidePosition: labelPositionOutside as BuiltinTextPosition
        }
    );