KanizsaSquare.java
package npw;
import java.awt.Color;
import java.awt.geom.Point2D;
import javax.swing.SwingUtilities;
import painter.SPainter;
import shapes.SCircle;
import shapes.SSquare;
import shapes.SRectangle;


public class KanizsaSquare{
    private void paintTheImage(){

        SPainter painter = new SPainter("Kanizsa Square",400,400);

        SCircle dot = new SCircle(75);
        paintBlueCircle(painter, dot);
        paintRedCircle(painter, dot);
        paintGreenCircles(painter, dot);

        SSquare square = new SSquare(200);
        paintWhiteSquare(painter, square);
    }

    private void paintGreenCircles(SPainter painter, SCircle dot) {
        painter.setColor(Color.green);
        painter.mrt(15);
        painter.mfd(200);
        painter.paint(dot);

        painter.setColor(Color.green);
        painter.mlt(200);
        painter.mbk(200);
        painter.paint(dot);


    }

    private void paintRedCircle(SPainter painter, SCircle dot) {
        painter.setColor(Color.red);
        painter.mrt(180);
        painter.mbk(200);
        painter.paint(dot);
    }

    private void paintWhiteSquare(SPainter painter, SSquare square) {
        painter.setColor(Color.white);
        painter.moveToCenter();
        painter.paint(square);
    }

    private void paintBlueCircle(SPainter painter, SCircle dot) {
        painter.setColor(Color.blue);
        painter.setHeading(0 );
        painter.mlt(80);
        painter.mfd ( 100);
        painter.paint(dot);
    }

    public KanizsaSquare(){
        paintTheImage();
    }
    public static void main(String[] args){
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                new KanizsaSquare();
            }
        });
    };

}