Java tutorial
import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.font.TextAttribute; import java.awt.font.TextLayout; import java.text.AttributedString; import javax.swing.JFrame; import javax.swing.JPanel; public class BasicShapes extends JPanel { public void paint(Graphics g) { Graphics2D g2d = (Graphics2D) g; int x = 10, y = 10, start = 2, end = 4; AttributedString astr = new AttributedString("aString"); astr.addAttribute(TextAttribute.FONT, new Font("", 1, 1), start, end); astr.addAttribute(TextAttribute.BACKGROUND, Color.red, start, end); // Draw mixed-style text TextLayout tl = new TextLayout(astr.getIterator(), g2d.getFontRenderContext()); tl.draw(g2d, x, y); } public static void main(String[] args) { JFrame frame = new JFrame("Basic Shapes"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(new BasicShapes()); frame.setSize(350, 250); frame.setLocationRelativeTo(null); frame.setVisible(true); } }