Obtain FontMetrics of different fonts : Font Metrics « 2D Graphics « Java Tutorial

1. Java Tutorial
2. 2D Graphics
3. Font Metrics

import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;

public class Main extends JFrame {

  public Main() {
    super("Demonstrating FontMetrics");

    setSize(510, 210);
    setVisible(true);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }

  public void paint(Graphics g) {
    g.setFont(new Font("SansSerif", Font.BOLD, 12));
    FontMetrics fm = g.getFontMetrics();
    g.drawString("Current font: " + g.getFont(), 10, 40);
    g.drawString("Ascent: " + fm.getAscent(), 10, 55);
    g.drawString("Descent: " + fm.getDescent(), 10, 70);
    g.drawString("Height: " + fm.getHeight(), 10, 85);
    g.drawString("Leading: " + fm.getLeading(), 10, 100);

    Font font = new Font("Serif", Font.ITALIC, 14);
    fm = g.getFontMetrics(font);
    g.setFont(font);
    g.drawString("Current font: " + font, 10, 130);
    g.drawString("Ascent: " + fm.getAscent(), 10, 145);
    g.drawString("Descent: " + fm.getDescent(), 10, 160);
    g.drawString("Height: " + fm.getHeight(), 10, 175);
    g.drawString("Leading: " + fm.getLeading(), 10, 190);
  }

  public static void main(String args[]) {
    Main app = new Main();
  }
}

16.24.Font Metrics
	16.24.1.	Font Metrics: the wealth of dimensional data about a font
	16.24.2.	Font base line
	16.24.3.	Getting Char with based on current font
	16.24.4.	calls stringWidth (String) to center several text messages
	16.24.5.	Center text.
	16.24.6.	Draw text to the left
	16.24.7.	Draw text to the right
	16.24.8.	Draw text to the center
	16.24.9.	Text justify
	16.24.10.	Draw font metrics
	16.24.11.	Display a text in 3 dimensions
	16.24.12.	Obtain FontMetrics of different fonts