1    
2    package npw;
3    
4    import java.awt.Color;
5    import javax.swing.SwingUtilities;
6    import painter.SPainter;
7    import shapes.SCircle;
8    import shapes.SSquare;
9    
10   public class KanizsaSquare {
11       // THE SOLUTION TO THE KANIZSA SQUARE PROBLEM
12       private void paintTheImage() {
13           SPainter Phuong = new SPainter("Kanizsa Square",400,400);
14           SCircle dot = new SCircle(75);
15           paintBlueCircle(Phuong,dot);
16           paintRedCircle(Phuong,dot);
17           paintGreenCircles(Phuong,dot);
18           SSquare square = new SSquare(200);
19           paintWhiteSquare(Phuong,square);
20   
21       }
22   
23       private void paintBlueCircle(SPainter phuong, SCircle dot) {
24           phuong.mlt(100); phuong.mfd(100); phuong.setColor(Color.BLUE); phuong.paint(dot);
25           phuong.mrt(100); phuong.mbk(100);
26       }
27       private void paintRedCircle(SPainter phuong, SCircle dot) {
28           phuong.mrt(100); phuong.mbk(100);phuong.setColor(Color.RED);
29           phuong.paint(dot);phuong.mlt(100);phuong.mfd(100);
30       }
31       private void paintGreenCircles(SPainter phuong, SCircle dot) {
32           phuong.mrt(100); phuong.mfd(100); phuong.setColor(Color.GREEN);
33           phuong.paint(dot); phuong.mlt(100); phuong.mbk(100);
34           phuong.mlt(100); phuong.mbk(100); phuong.paint(dot);
35           phuong.moveToCenter();
36       }
37       private void paintWhiteSquare(SPainter phuong, SSquare square) {
38           phuong.setColor(Color.WHITE); phuong.paint(square);
39       }
40       // REQUIRED INFRASTRUCTURE
41       public KanizsaSquare(){
42           paintTheImage();
43       }
44   
45       public static void main(String[] args) {
46           SwingUtilities.invokeLater(new Runnable() {
47               public void run() {
48                   new KanizsaSquare();
49               }
50           });
51       }
52   }
53   
54