public void restoreAutoRangeBounds() {
        Plot p = this.chart.getPlot();
        if (p instanceof ValueAxisPlot) {
            Zoomable z = (Zoomable) p;
            // we need to guard against this.zoomPoint being null
            org.eclipse.swt.graphics.Point zp = 
                    (this.zoomPoint != null ? this.zoomPoint 
                    : new org.eclipse.swt.graphics.Point(0, 0));
            z.zoomRangeAxes(0.0, this.info.getPlotInfo(), 
                    SWTUtils.toAwtPoint(zp));