import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class Ritcanvas extends Canvas {
    private boolean kvadrat = false;
    private boolean cirkel = false;

    public void paint(Graphics g) {
        int w = getWidth();
        int h = getHeight();
        g.setColor(0xff0000);
        g.fillRect(0, 0, w-1, h-1);
        if (kvadrat) {
            g.setColor(0x000000);
            // g.drawRect(1, 1, w/2 - 2, h/2 - 2); -- Fel!
            int min = Math.min(h, w);
            g.drawRect(1, 1, min/2 - 2, min/2 - 2);
        }
        if (cirkel) {
            g.setColor(0x000000);
            // g.fillArc(w/2, h/2, w/2-1, h/2-1, 0, 360); -- Fel!
            int min = Math.min(h, w);
            g.fillArc(w/2, h/2, min/2-1, min/2-1, 0, 360);
        }
    }

    public void togglaKvadraten() {
        kvadrat = ! kvadrat;
        repaint();
    }

    public void togglaCirkeln() {
        cirkel = ! cirkel;
        repaint();
    }
}