1    /* 
2     *Program to paint a blue dot 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 BLUE DOT PROBLEM
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           painter.moveToCenter();
33       }
34   
35       private void paintGreenCircles(SPainter painter, SCircle dot) {
36           painter.mfd(100);
37           painter.mrt(100);
38           painter.setColor(Color.GREEN);
39           painter.paint(dot);
40           painter.moveToCenter();
41           painter.mbk(100);
42           painter.mlt(100);
43           painter.setColor(Color.GREEN);
44           painter.paint(dot);
45           painter.moveToCenter();
46       }
47   
48       private void paintRedCircle(SPainter painter, SCircle dot) {
49           painter.mbk(100);
50           painter.mrt(100);
51           painter.setColor(Color.RED);
52           painter.paint(dot);
53           painter.moveToCenter();
54       }
55   
56       private void paintBlueCircle(SPainter painter, SCircle dot) {
57           painter.mfd(100);
58           painter.mlt(100);
59           painter.setColor(Color.BLUE);
60           painter.paint(dot);
61           painter.moveToCenter();
62       }
63   
64       // REQUIRED INFRASTRUCTURE
65   
66       public KanizsaSquare() {
67           paintTheImage();
68       }
69   
70       public static void main(String[] args) {
71           SwingUtilities.invokeLater(new Runnable() {
72               public void run() {
73                   new KanizsaSquare();
74               }
75           });
76       }
77   }
78