第6周作业-图像缩放显示

import java.awt.*;
import javax.swing.*;
public class ShowImg extends JApplet
{
Image img1;
public void init()
{
img1 =getImage(getCodeBase(),"img.gif");
}
public void paint(Graphics g)
{
int w =img1.getWidth(this);   //获取原图宽度
int h =img1.getHeight(this);  //获取原图高度
g.drawImage(img1, 5,10, this );
g.drawImage(img1, 150, 40, w/2, h/2, this );
g.drawImage(img1, 5, 100, w*2, h*2, this );
}
}