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¿¹Á¦: ScaleImage.java
1 import java.awt.*;
2 import java.awt.event.*;
3
4 public class ScaleImage extends Canvas {
5 Image img;
6 double scale = 1.0;
7
8 public ScaleImage() {
9 img = getToolkit().getImage("bird.gif");
10 setBackground(Color.lightGray);
11 }
12
13 public void setScale(double d) {
14 scale = d;
15 }
16
17 public void paint(Graphics g) {
18 Graphics2D g2 = (Graphics2D) g;
19 g2.scale(scale, scale);
20 g2.drawImage(img, (int)(10/scale), (int)(10/scale), this);
21 }
22
23 public static void main(String [] args) {
24 Frame f = new Frame();
25 final ScaleImage s = new ScaleImage();
26 f.add("Center", s);
27 Choice c = new Choice();
28 c.add("50%");
29 c.add("100%");
30 c.add("150%");
31 c.add("200%");
32 c.add("250%");
33 c.add("300%");
34 c.select(1);
35 c.addItemListener(new ItemListener() {
36 public void itemStateChanged(ItemEvent e) {
37 Choice ch = (Choice) e.getSource();
38 s.setScale(ch.getSelectedIndex()*0.5 + 0.5);
39 s.repaint();
40 }
41 });
42 f.add("South", c);
43 f.setSize(300, 400);
44 f.setVisible(true);
45 }
46 }