import java.awt.*;
import java.awt.event.*;

public class Plotter extends Frame {
	static int count = 0;

	Font f = new Font("helvetica", Font.PLAIN, 10);

	XYPoint[] p;

	int minX, minY, maxX, maxY;

	boolean numbered;

	String title;

	@SuppressWarnings("deprecation")
	public Plotter(XYPoint[] p, boolean numbered, String title) {
		super(title);
		this.p = p;
		if (p.length == 0)
			return;
		minX = p[0].x;
		maxX = p[0].x;
		minY = p[0].y;
		maxY = p[0].y;
		for (int i = 1; i < p.length; i++) {
			if (p[i].x < minX)
				minX = p[i].x;
			if (p[i].x > maxX)
				maxX = p[i].x;
			if (p[i].y < minY)
				minY = p[i].y;
			if (p[i].y > maxY)
				maxY = p[i].y;
		}
		this.numbered = numbered;
		this.title = title;
		setSize(400, 400);
		count++;
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				if (--count == 0)
					System.exit(0);
				e.getWindow().dispose();
			}
		});
		show();
	}

	public void paint(Graphics g) {
		if (p != null) {
			g.setFont(f);
			int i = 0;
			while (i < p.length) {
				if (p[i] != null) {
					g.setColor(p[i].color);
					int width = getBounds().width - 25;
					int height = getBounds().height - 45;
					int x = 7 + (p[i].x - minX) * width / (maxX - minX);
					int y = height + 35 - (p[i].y - minY) * height
							/ (maxY - minY);
					if (numbered)
						g.drawString("" + i, x + 1, y - 1);
					g.drawRect(x, y, 1, 1);
				}
				i++;
			}
		}
	}
}