import java.applet.Applet;
import java.awt.*;
public class step2 extends Applet{
// adds drawing capability to drawPanel
Button button = new Button ("Clear");
Panel buttonPanel = new Panel ( );
MyPanel2 drawPanel = new MyPanel2 ();
public void init ( ){
drawPanel.setBackground (Color.white);
button.setBackground (Color.green);
button.setFont ( new Font ("Helvetica", Font.BOLD, 18) );
buttonPanel.add (button);
setLayout (new BorderLayout ( ) );
add ("North", buttonPanel);
add ("Center", drawPanel);
} // end init
}// end step2
class MyPanel2 extends Panel {
int last_x = 0;
int last_y = 0;
int x = 0;
int y = 0;
public boolean mouseDown ( Event event, int x, int y ) {
last_x = x;
last_y = y;
return true;
} // end mouseDown
public boolean mouseDrag ( Event event, int x, int y ) {
Graphics g = getGraphics ( );
g.drawLine ( last_x, last_y, x, y );
last_x = x;
last_y = y;
return true;
} // end mosueDrag
} // end MyPanel2