/** * Returns a rectangle that encloses the axis label. This is typically used for layout purposes * (it gives the maximum dimensions of the label). * * @param g2 the graphics device. * @param edge the edge of the plot area along which the axis is measuring. * @return The enclosing rectangle. */ protected Rectangle2D getLabelEnclosure(Graphics2D g2, RectangleEdge edge) { Rectangle2D result = new Rectangle2D.Double(); String axisLabel = getLabel(); if (axisLabel != null && !axisLabel.equals("")) { FontMetrics fm = g2.getFontMetrics(getLabelFont()); Rectangle2D bounds = TextUtilities.getTextBounds(axisLabel, g2, fm); RectangleInsets insets = getLabelInsets(); bounds = insets.createOutsetRectangle(bounds); double angle = getLabelAngle(); if (edge == RectangleEdge.LEFT || edge == RectangleEdge.RIGHT) { angle = angle - Math.PI / 2.0; } double x = bounds.getCenterX(); double y = bounds.getCenterY(); AffineTransform transformer = AffineTransform.getRotateInstance(angle, x, y); Shape labelBounds = transformer.createTransformedShape(bounds); result = labelBounds.getBounds2D(); } return result; }