Function getViewRectAndCenterForCircleLayout

src/util/layout.ts:189–223

(
    seriesModel: SeriesModel<TOption>,
    api: ExtensionAPI
)

}>;

function getViewRectAndCenterForCircleLayout<TOption extends CircleLayoutSeriesOption>(
    seriesModel: SeriesModel<TOption>,
    api: ExtensionAPI
) {
    const layoutRef = createBoxLayoutReference(seriesModel, api, {
        enableLayoutOnlyByCenter: true,
    });
    const boxLayoutParams = seriesModel.getBoxLayoutParams();

    let viewRect: LayoutRect;
    let center: number[];
    if (layoutRef.type === BoxLayoutReferenceType.point) {
        center = layoutRef.refPoint;
        // `viewRect` is required in `pie/labelLayout.ts`.
        viewRect = getLayoutRect(
            boxLayoutParams, {width: api.getWidth(), height: api.getHeight()}
        );
    }
    else { // layoutRef.type === layout.BoxLayoutReferenceType.rect
        const centerOption = seriesModel.get('center');
        const centerOptionArr = zrUtil.isArray(centerOption)
            ? centerOption : [centerOption, centerOption];
        viewRect = getLayoutRect(
            boxLayoutParams, layoutRef.refContainer
        );
        center = layoutRef.boxCoordFrom === BOX_COORD_SYS_COORD_FROM_PROP_COORD2
            ? layoutRef.refPoint // option `series.center` has been used as coord.
            : [
                parsePercent(centerOptionArr[0], viewRect.width) + viewRect.x,
                parsePercent(centerOptionArr[1], viewRect.height) + viewRect.y,
            ];
    }

    return {viewRect, center};
}

export function getCircleLayout<TOption extends CircleLayoutSeriesOption>(
    seriesModel: SeriesModel<TOption>,