simpaintpanel.java

实现了功能比较齐全的画板

package panel;

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import main.*;
import shape.*;

public class SimPaintPanel extends JPanel implements MouseListener, MouseMotionListener, Serializable {

    private static final long serialVersionUID = 20080800210L;
    /**
     * 娣诲姞鏂板浘褰㈡椂鐨勫弬鏁