1    /* 
2     * Program to paint a kanizsa square in the context of the Nonrepresentational 
3     * Painting World, NPW. 
4     */
5    
6    package npw;
7    
8    import java.awt.Color;
9    import javax.swing.SwingUtilities;
10   import painter.SPainter;
11   import shapes.SCircle;
12   import shapes.SSquare;
13   
14   public class KanizsaSquare {
15       // THE SOLUTION TO THE Kanizsa Square PROBLEM
16   
17       private void paintTheImage() {
18           SPainter painter = new SPainter("Kanizsa Square",400,400);
19   
20           SCircle dot = new SCircle(75);
21           paintBlueCircle(painter, dot);
22           paintRedCircle(painter, dot);
23           paintGreenCircles(painter, dot);
24   
25           SSquare square = new SSquare(200);
26           paintWhiteSquare(painter, square);
27       }
28   
29       private void paintWhiteSquare(SPainter painter, SSquare square) {
30           painter.setColor(Color.WHITE);
31           painter.paint(square);
32   
33       }
34   
35       private void paintGreenCircles(SPainter painter, SCircle dot) {
36           painter.setColor(Color.GREEN);
37           painter.mbk(100);
38           painter.mlt(100);
39           painter.paint(dot);
40           painter.mfd(100);
41           painter.mrt(100);
42           painter.mfd(100);
43           painter.mrt(100);
44           painter.paint(dot);
45           painter.mbk(100);
46           painter.mlt(100);
47   
48       }
49   
50       private void paintRedCircle(SPainter painter, SCircle dot) {
51           painter.setColor(Color.RED);
52           painter.mbk(100);
53           painter.mrt(100);
54           painter.paint(dot);
55           painter.mfd(100);
56           painter.mlt(100);
57       }
58   
59       private void paintBlueCircle(SPainter painter, SCircle dot) {
60          painter.setColor(Color.BLUE);
61           painter.mfd(100);
62           painter.mlt(100);
63           painter.paint(dot);
64           painter.mbk(100);
65           painter.mrt(100);
66       }
67   
68       // REQUIRED INFRASTRUCTURE
69   
70       public KanizsaSquare() {
71           paintTheImage();
72       }
73   
74       public static void main(String[] args) {
75           SwingUtilities.invokeLater(new Runnable() {
76               public void run() {
77                   new KanizsaSquare();
78               }
79           });
80       }
81   
82   }
83