import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.font.FontRenderContext;
import java.awt.geom.Rectangle2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class HorizontallyCenteredText extends JPanel {
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setFont(new Font("Serif", Font.PLAIN, 48));
paintHorizontallyCenteredText(g2, "Java Source", 200, 75);
paintHorizontallyCenteredText(g2, "and", 200, 125);
paintHorizontallyCenteredText(g2, "Support", 200, 175);
}
protected void paintHorizontallyCenteredText(Graphics2D g2, String s,
float centerX, float baselineY) {
FontRenderContext frc = g2.getFontRenderContext();
Rectangle2D bounds = g2.getFont().getStringBounds(s, frc);
float width = (float) bounds.getWidth();
g2.drawString(s, centerX - width / 2, baselineY);
}
public static void main(String[] args) {
JFrame f = new JFrame();
f.getContentPane().add(new HorizontallyCenteredText());
f.setSize(450, 350);
f.show();
}
}
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