1 package graphicslab04;
 2
 3 import java.awt.Color;
 4 import java.awt.Graphics;
 5 import java.awt.Graphics2D;
 6 import java.awt.geom.AffineTransform;
 7 import java.awt.geom.Area;
 8 import java.awt.geom.Ellipse2D;
 9 import java.awt.geom.Rectangle2D;
10
11 public class PokeBall {
12
13     private static final Area base = new Area();
14     private static final Area border = new Area();
15     protected static final Area topHalf = new Area();
16
17     static {
18         Ellipse2D.Double outer = new Ellipse2D.Double(0, 0, 250, 250);
19         Ellipse2D.Double inner = new Ellipse2D.Double(5, 5, 240, 240);
20         Rectangle2D.Double stripe = new Rectangle2D.Double(0, 120, 250, 10);
21         Ellipse2D.Double buttonOuter = new Ellipse2D.Double(90, 90, 70, 70);
22         Ellipse2D.Double buttonInner = new Ellipse2D.Double(100, 100, 50, 50);
23         Rectangle2D.Double topRect = new Rectangle2D.Double(0, 0, 250, 125);
24
25         base.add(new Area(outer));
26
27         border.add(base);
28         border.subtract(new Area(inner));
29         border.add(new Area(stripe));
30         border.intersect(base);
31         border.add(new Area(buttonOuter));
32         border.subtract(new Area(buttonInner));
33
34         topHalf.add(base);
35         topHalf.subtract(border);
36         topHalf.intersect(new Area(topRect));
37         topHalf.subtract(new Area(buttonOuter));
38     }
39
40     private final Area myBase;
41     private final Area myBorder;
42     private final Area myTopHalf;
43
44     protected final AffineTransform shift;
45
46     public PokeBall(int xp, int yp) {
47         shift = AffineTransform.getTranslateInstance(xp, yp);
48         myBase = base.createTransformedArea(shift);
49         myBorder = border.createTransformedArea(shift);
50         myTopHalf = topHalf.createTransformedArea(shift);
51     }
52
53     public void drawBall(Graphics g) {
54         drawBase(g);
55         drawTopHalf(g);
56         drawBorder(g);
57     }
58
59     private void drawBase(Graphics g) {
60         g.setColor(Color.white);
61         ((Graphics2D) g).fill(myBase);
62     }
63
64     private void drawBorder(Graphics g) {
65         Color c = (this instanceof PremierBall) ? Color.red : Color.black;
66         g.setColor(c);
67         ((Graphics2D) g).fill(myBorder);
68     }
69
70     protected void drawTopHalf(Graphics g) {
71         g.setColor(Color.red);
72         ((Graphics2D) g).fill(myTopHalf);
73     }
74
75 }
76