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   
16       //THE SOLUTION TO THE Kanizsa Square PROBLEM
17   
18       private void paintTheImage() {
19           SPainter painter = new SPainter("Kanizsa Square",400,400);
20   
21           SCircle dot = new SCircle(75);
22           paintBlueCircle(painter, dot);
23           paintRedCircle(painter, dot);
24           paintGreenCircles(painter, dot);
25   
26           SSquare square = new SSquare(200);
27           paintWhiteSquare(painter, square);
28       }
29   
30       private void paintWhiteSquare(SPainter painter, SSquare square) {
31           painter.setColor(Color.WHITE);
32           painter.paint(square);
33       }
34   
35       private void paintGreenCircles(SPainter painter, SCircle dot) {
36           painter.mrt(100);
37           painter.mfd(100);
38           painter.setColor(Color.GREEN);
39           painter.paint(dot);
40           painter.mlt(200);
41           painter.mbk(200);
42           painter.paint(dot);
43           painter.mrt(100);
44           painter.mfd(100);
45   
46   
47       }
48   
49       private void paintRedCircle(SPainter painter, SCircle dot) {
50           painter.mrt(100);
51           painter.mbk(100);
52           painter.setColor(Color.RED);
53           painter.paint(dot);
54           painter.mlt(100);
55           painter.mfd(100);
56       }
57   
58       private void paintBlueCircle(SPainter painter, SCircle dot) {
59           painter.mlt(100);
60           painter.mfd(100);
61           painter.setColor(Color.BLUE);
62           painter.paint(dot);
63           painter.mrt(100);
64           painter.mbk(100);
65   
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