slashdecorator.java

来自「设计模式是软件工程的核心思想」· Java 代码 · 共 27 行

import java.awt.*;
import java.awt.event.*;

//swing classes
import javax.swing.text.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;

public class SlashDecorator extends Decorator {
    int x1, y1, w1, h1;

    public SlashDecorator(JComponent c) {
        super(c);
    }
    public void setBounds(int x, int y, int w, int h) {
        x1 = x; y1= y;
        w1 = w; h1 = h;
        super.setBounds(x, y, w, h);
    }
    public void paint(Graphics g) {
        super.paint(g);
        g.setColor(Color.red);
        g.drawLine(0, 0, w1, h1);
    }
}