CS1 Standard Demo Page

package npw;

        import painter.SPainter;
        import shapes.SCircle;
        import shapes.SSquare;

        import javax.swing.*;
        import java.awt.*;

public class KanizsaSquare {
    //solution to the KanizsaSquare problem
    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 paintBlueCircle(SPainter painter, SCircle dot) {
        painter.mfd(100);
        painter.mlt(100);
        painter.setColor(Color.blue);
        painter.paint(dot);
        painter.moveToCenter();
    }
    private void paintRedCircle(SPainter painter, SCircle dot) {
        painter.mbk(100);
        painter.mlt(-100);
        painter.setColor(Color.red);
        painter.paint(dot);
        painter.moveToCenter();
    }


    private void paintGreenCircles(SPainter painter, SCircle dot) {
        painter.mfd(100);
        painter.mlt(-100);
        painter.setColor(Color.green);
        painter.paint(dot);
        painter.moveToCenter();
        painter.mbk(100);
        painter.mlt(100);
        painter.paint(dot);
        painter.moveToCenter();

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



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