public void paintValue(Graphics g, Rectangle box) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
double[] values = (double[]) getValue();
StringBuilder s = new StringBuilder();
for (int i = 0; i < 3; i++) {
if (values.length > i) s.append(values[i]);
if (values.length > i + 1) s.append(", ");
}
if (values.length > 3) s.append("...");
g2.setPaint(Color.white);
g2.fill(box);
g2.setPaint(Color.black);
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D stringBounds = g2.getFont().getStringBounds(s.toString(), context);
double w = stringBounds.getWidth();
double x = box.x;
if (w < box.width) x += (box.width - w) / 2;
double ascent = -stringBounds.getY();
double y = box.y + (box.height - stringBounds.getHeight()) / 2 + ascent;
g2.drawString(s.toString(), (float) x, (float) y);
}
public void draw(
Graphics2D g,
Color stringColor,
Color foreground,
Color background,
String info,
double x,
double y) {
FontMetrics fm = g.getFontMetrics();
int h = fm.getHeight();
int w = fm.stringWidth(info);
r1.setRect(
x - w / 2 - in.left, y - in.top - h / 2, w + in.right + in.left, h + in.bottom + in.top);
g.setColor(background);
g.fill(r1);
g.setColor(stringColor);
g.draw(r1);
g.setColor(foreground);
r2.setRect(r1.getX() + 1, r1.getY() + 1, r1.getWidth() - 2, r1.getHeight() - 2);
g.draw(r2);
g.setColor(stringColor);
g.drawString(
info, (float) (r2.getX() + in.left), (float) (r2.getY() + h - (r2.getHeight() - h) / 2));
}