// This is a simple drawing program that draws three versions of a particular
// subfigure on the screen.  This version has a generalized method for
// drawing the subfigures that is called three different times.

import java.awt.*;

public class Draw3 {
    public static void main(String[] args) {
        DrawingPanel panel = new DrawingPanel(500, 400);
        panel.setBackground(Color.CYAN);
        Graphics g = panel.getGraphics();
        draw(g, 50, 50, 100);
        draw(g, 100, 200, 100);
        draw(g, 250, 150, 75);
    }

    // Draws a subfigure with  upper-left of (x, y) and given size using
    // the provided Graphics object
    public static void draw(Graphics g, int x, int y, int size) {
        g.setColor(Color.RED);
        g.fillRect(x, y, size, size);
        g.setColor(Color.GREEN);
        g.fillOval(x, y, size, size);
        g.setColor(Color.BLACK);
        g.drawRect(x, y, size, size);
        g.drawOval(x, y, size, size);
        g.drawLine(x, y, x + size, y + size);
        g.drawLine(x, y + size, x + size, y);
    }
}