private Rectangle2D createShadow(RectangularShape bar, double xOffset,
            double yOffset, RectangleEdge base, boolean pegShadow) {
        double x0 = bar.getMinX();
        double x1 = bar.getMaxX();
        double y0 = bar.getMinY();
        double y1 = bar.getMaxY();
        if (base == RectangleEdge.TOP) {
            x0 += xOffset;
            x1 += xOffset;
            if (!pegShadow) {
                y0 += yOffset;
            }
            y1 += yOffset;
        }
        else if (base == RectangleEdge.BOTTOM) {
            x0 += xOffset;
            x1 += xOffset;
            y0 += yOffset;
            if (!pegShadow) {
                y1 += yOffset;
            }
        }
        else if (base == RectangleEdge.LEFT) {
            if (!pegShadow) {
                x0 += xOffset;
            }
            x1 += xOffset;
            y0 += yOffset;
            y1 += yOffset;
        }
        else if (base == RectangleEdge.RIGHT) {
            x0 += xOffset;
            if (!pegShadow) {
                x1 += xOffset;
            }
            y0 += yOffset;
            y1 += yOffset;
        }
        return new Rectangle2D.Double(x0, y0, (x1 - x0), (y1 - y0));
    }