import java.awt.*;
import java.awt.image.*;
import java.io.*;
import javax.swing.*;
import javax.imageio.ImageIO;

public class CanvasTest extends Canvas
{
	final int width = 373,
				 height = 264;
	JFrame frame;
	JPanel panel;
	BufferStrategy strategy;
	GraphicsDevice graphicsDevice = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();

	Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
	final Point screenCenter = new Point(screenSize.width/2 - ((width + 16)/2), screenSize.height/2 - ((height + 36)/2));

	public static void main(String[] args)
	{
		new CanvasTest();
	}

	public CanvasTest()
	{
		try
		{
			frame = new JFrame();

			panel = (JPanel) frame.getContentPane();
			panel.setPreferredSize(new Dimension(width, height));
			panel.setLayout(null);
			panel.add(this);

			frame.setVisible(true);
			frame.setTitle("Canvas Test");
			frame.setLocation(screenCenter);
			frame.setSize(width + 16, height + 36);
			frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
			frame.pack();
			frame.setResizable(true);
			frame.setVisible(true);

			setBounds(0, 0, screenSize.width, screenSize.height);

			createBufferStrategy(2);
			strategy = getBufferStrategy();

			frame.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));

			final double TIME_BETWEEN_UPDATES = 1000 / 50;

			while(true)
			{
				long startTime = System.currentTimeMillis();

		 		Graphics2D g2d = (Graphics2D) strategy.getDrawGraphics();

				//* DRAW STUFF HERE *//

				g2d.drawOval(150, 150, 75, 75);
				g2d.setColor(Color.red);
				g2d.fill3DRect(60, 60, 60, 60, true);

				g2d.dispose();
				strategy.show();
				Toolkit.getDefaultToolkit().sync();

				long waitTime = (long) (TIME_BETWEEN_UPDATES - ((System.currentTimeMillis() - startTime) + 0.5));
				try
				{
					Thread.sleep(waitTime);
				}
				catch(Throwable t)
				{
				}
			}
		}
		catch(Throwable t)
		{
			System.out.println("Fuck you");
			System.exit(0);
		}
	}
}