|
0
|
1 /*
|
|
|
2 * Ristipolku
|
|
|
3 * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org>
|
|
|
4 *
|
|
|
5 * Ohjelmointiprojekti Java-kurssille.
|
|
|
6 *
|
|
|
7 */
|
|
|
8 import java.awt.*;
|
|
|
9 import java.awt.geom.*;
|
|
|
10 import java.awt.font.TextLayout;
|
|
|
11 import java.awt.event.WindowEvent;
|
|
|
12 import java.awt.event.WindowListener;
|
|
|
13 import java.awt.event.WindowAdapter;
|
|
|
14 import java.awt.image.BufferedImage;
|
|
|
15 import javax.swing.*;
|
|
|
16
|
|
|
17
|
|
|
18 public class RistiPolku extends JApplet implements Runnable
|
|
|
19 {
|
|
|
20
|
|
|
21 public Graphics2D createGraphics2D(Dimension d) {
|
|
|
22 Graphics2D g2 = null;
|
|
|
23
|
|
|
24 if (bimg == null || bimg.getWidth() != d.w || bimg.getHeight() != d.h) {
|
|
|
25 bimg = (BufferedImage) createImage(d.w, d.h);
|
|
|
26 reset(d);
|
|
|
27 }
|
|
|
28
|
|
|
29 g2 = bimg.createGraphics();
|
|
|
30 g2.setBackground(getBackground());
|
|
|
31 g2.clearRect(0, 0, w, h);
|
|
|
32 g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
|
|
|
33 RenderingHints.VALUE_ANTIALIAS_ON);
|
|
|
34 return g2;
|
|
|
35 }
|
|
|
36
|
|
|
37
|
|
|
38 public void paint(Graphics g) {
|
|
|
39 Dimension d = getSize();
|
|
|
40 step(d.width, d.height);
|
|
|
41 Graphics2D g2 = createGraphics2D(d);
|
|
|
42 drawDemo(d.width, d.height, g2);
|
|
|
43 g2.dispose();
|
|
|
44 g.drawImage(bimg, 0, 0, this);
|
|
|
45 }
|
|
|
46
|
|
|
47
|
|
|
48 public void start() {
|
|
|
49 thread = new Thread(this);
|
|
|
50 thread.setPriority(Thread.MIN_PRIORITY);
|
|
|
51 thread.start();
|
|
|
52 }
|
|
|
53
|
|
|
54
|
|
|
55 public synchronized void stop() {
|
|
|
56 thread = null;
|
|
|
57 }
|
|
|
58
|
|
|
59
|
|
|
60 public void run() {
|
|
|
61 Thread me = Thread.currentThread();
|
|
|
62 while (thread == me) {
|
|
|
63 repaint();
|
|
|
64 try {
|
|
|
65 thread.sleep(10);
|
|
|
66 } catch (InterruptedException e) { break; }
|
|
|
67 }
|
|
|
68 thread = null;
|
|
|
69 }
|
|
|
70
|
|
|
71
|
|
|
72 public static void main(String argv[]) {
|
|
|
73 final RistiPolku demo = new RistiPolku();
|
|
|
74 demo.init();
|
|
|
75 JFrame f = new JFrame("RistiPolku");
|
|
|
76 f.addWindowListener(new WindowAdapter() {
|
|
|
77 public void windowClosing(WindowEvent e) {System.exit(0);}
|
|
|
78 public void windowDeiconified(WindowEvent e) { demo.start(); }
|
|
|
79 public void windowIconified(WindowEvent e) { demo.stop(); }
|
|
|
80 });
|
|
|
81 f.getContentPane().add("Center", demo);
|
|
|
82 f.pack();
|
|
|
83 f.setSize(new Dimension(400,300));
|
|
|
84 f.show();
|
|
|
85 demo.start();
|
|
|
86 }
|
|
|
87 }
|
