protected double estimateMaximumTickLabelWidth(Graphics2D g2, TickUnit unit) {
RectangleInsets tickLabelInsets = getTickLabelInsets();
double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight();
if (isVerticalTickLabels()) {
FontRenderContext frc = g2.getFontRenderContext();
return result + ((double) getTickLabelFont().getLineMetrics("0", frc).getHeight());
}
String lowerStr;
String upperStr;
FontMetrics fm = g2.getFontMetrics(getTickLabelFont());
Range range = getRange();
double lower = range.getLowerBound();
double upper = range.getUpperBound();
NumberFormat formatter = getNumberFormatOverride();
if (formatter != null) {
lowerStr = formatter.format(lower);
upperStr = formatter.format(upper);
} else {
lowerStr = unit.valueToString(lower);
upperStr = unit.valueToString(upper);
}
return result + Math.max((double) fm.stringWidth(lowerStr), (double) fm.stringWidth(upperStr));
}
