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

public class GUITest {
    public static void main(String[] args) {
	Font font = new Font(Font.DIALOG, Font.PLAIN, 72);
	
	JLabel text = new JLabel();
	text.setText("Hello, world!");
	text.setFont(font);

	ImagePanel image = new ImagePanel(400, 400);
	
	JFrame window = new JFrame();
	window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	window.setTitle("Hello, world!");
	window.setLayout(new BorderLayout());
	window.add(text, BorderLayout.NORTH);
	window.add(image, BorderLayout.SOUTH);
	window.pack();
	window.setLocation(400, 400);
	window.setVisible(true);

	drawSquare(image, 100, 100, 100, 100, Color.BLUE);
	drawSquare(image, 150, 150, 100, 100, Color.RED);
	drawSquare(image, 200, 200, 100, 100, Color.GREEN);
	drawSquare(image, 0, 0, 200, 200, new Color(0.5f, 0.25f, 0.9f));
	
    }

    public static void drawSquare(ImagePanel i, int topX, int topY, int height, int width, Color c) {
	for (int y = 0; y < height; y++) {
	    for (int x = 0; x < width; x++) {
		i.set(x + topX, y + topY, c);
	    }
	}
    }
}