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1 package gnu.kawa.models;
2 import java.awt.*;
3 import java.awt.geom.*;
4
5 public class WithTransform implements Paintable
6 {
7 Paintable paintable;
8 AffineTransform transform;
9
10 public WithTransform(Paintable paintable, AffineTransform transform)
11 {
12 this.paintable = paintable;
13 this.transform = transform;
14 }
15
16 public void paint (Graphics2D graphics)
17 {
18 AffineTransform saved = graphics.getTransform();
19 try
20 {
21 graphics.transform(transform);
22 paintable.paint(graphics);
23 }
24 finally
25 {
26 graphics.setTransform(saved);
27 }
28 }
29
30 public Rectangle2D getBounds2D()
31 {
32 return transform.createTransformedShape(paintable.getBounds2D())
33 .getBounds2D();
34 }
35
36 public Paintable transform (AffineTransform tr)
37 {
38 AffineTransform combined = new AffineTransform(transform);
39 combined.concatenate(tr);
40 return new WithTransform(paintable, combined);
41 }
42 }
43 |
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Java API By Example, From Geeks To Geeks.