Method renderBackground

src/component/visualMap/VisualMapView.ts:72–92

* @protected

(group: Group)

     * @protected
     */
    renderBackground(group: Group) {
        const visualMapModel = this.visualMapModel;
        const padding = formatUtil.normalizeCssArray(visualMapModel.get('padding') || 0);
        const rect = group.getBoundingRect();

        group.add(new Rect({
            z2: -1, // Lay background rect on the lowest layer.
            silent: true,
            shape: {
                x: rect.x - padding[3],
                y: rect.y - padding[0],
                width: rect.width + padding[3] + padding[1],
                height: rect.height + padding[0] + padding[2]
            },
            style: {
                fill: visualMapModel.get('backgroundColor'),
                stroke: visualMapModel.get('borderColor'),
                lineWidth: visualMapModel.get('borderWidth')
            }
        }));
    }

    /**
     * @protected