import java.awt.*;
import javax.swing.*;
import java.awt.geom.*;
import java.awt.event.*;
import java.awt.font.TextLayout;
import java.awt.font.FontRenderContext;

public class ClipExample {
  public static void main(String[] args) {
    JFrame f = new Clipping();
    f.show();
  }
}
class Clipping extends JFrame implements ActionListener {
  public Clipping() {
    setTitle("Show clippings");
    setSize(350, 300);
    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent event) {
        System.exit(0);
      }
    });
    Container contentPane = getContentPane();
    panel = new ClipPanel();
    contentPane.add(panel, "Center");
    JPanel buttonPanel = new JPanel();
    ButtonGroup group = new ButtonGroup();
    button1 = new JButton("No Clip");
    buttonPanel.add(button1);
    group.add(button1);
    button1.addActionListener(this);
    button2 = new JButton("Show Clip");
    buttonPanel.add(button2);
    group.add(button2);
    button2.addActionListener(this);
    contentPane.add(buttonPanel, "North");
  }
public void actionPerformed(ActionEvent e) {
    Object object = e.getSource();
    if (object == button2)
      panel.setClip(true);
    else if (object == button1)
      panel.setClip(false);
  }
  private JButton button1;
  private JButton button2;
  private ClipPanel panel;
}
class ClipPanel extends JPanel {
  public void paint(Graphics graphics) {
    super.paint(graphics);
    Graphics2D g2 = (Graphics2D) graphics;
    if (clip) {
      FontRenderContext fontRendContext = g2.getFontRenderContext();
      Font font = new Font("Monotype Corsiva", Font.BOLD, 100);
      GeneralPath path = new GeneralPath();

      TextLayout layout = new TextLayout("Welcome", font,
         fontRendContext);
      AffineTransform affineTransform = AffineTransform.
      getTranslateInstance(0,90);
      Shape outline = layout.getOutline(affineTransform);
      path.append(outline, false);
      g2.draw(path);
      g2.clip(path);
    }
  final int LINES = 90;
    Point2D point1 = new Point2D.Double(2, 2);
    for (int k = 0; k < LINES; k++) {
      double x = (2 * getWidth() * k) / LINES;
      double y = (2 * getHeight() * (LINES - 1 - k)) / LINES;
      Point2D point2 = new Point2D.Double(x, y);
      g2.draw(new Line2D.Double(point1, point2));
    }
  }
   public void setClip(boolean c1) {
    clip = c1;
    repaint();
  }
  private boolean clip;
}