//Tasha Wallage
//Period 7

import java.awt.image.*;
import java.awt.*;
import javax.swing.*;
import java.util.HashSet;
import java.util.Iterator;

public class Graph extends JPanel
{
	private HashSet<Location> data;
	private Location last;
	private JFrame frame;
	private BufferedImage bfi;
	private Graphics g;
	private int length = 1000, width = 300;

	public Graph(JFrame frame)
	{
		this.frame = frame;
		frame.setSize(length,width);
		frame.setLocation(50,500);
         	bfi = new BufferedImage(length, width, BufferedImage.TYPE_INT_RGB);
         	g = bfi.getGraphics();
		g.setColor(Color.black);
		g.drawRect(0, 0, length, width);
		
		data = new HashSet<Location>();
		last = new Location(0,0);
		g.setColor(Color.red.brighter());
	}
	public void add(int x, int y)
	{
		g.drawLine(last.getX(), width-last.getY(), x, width -y);
		last = new Location(x, y);
		repaint();
	}
	public void reset()
	{
		g.drawRect(0,0,length,width);
		repaint();
	}
       public void paintComponent(Graphics g)
      {
         g.drawImage(bfi, 0, 0, getWidth(), getHeight(), null);
      }
       public static void main(String[] args)
      {
         JFrame myFrame = new JFrame("Graph");
         myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         myFrame.setContentPane(new Graph(myFrame));
         myFrame.setVisible(true);
      }
}