Display.java

import java.awt.Canvas;
import java.awt.Graphics;
import java.awt.Dimension;
import java.awt.image.BufferedImage;
import java.awt.image.BufferStrategy;
import java.awt.image.DataBufferByte;
import javax.swing.*;

public class Display extends Canvas{
    public static JFrame frame;
    private BufferedImage displayImage;
    private RenderContext frameBuffer;
    private byte[] displayComponents;
    public BufferStrategy bufferStrategy;
    private Graphics graphics;
    public RenderContext GetFrameBuffer() { return frameBuffer; }


    public Display(int width, int height, String title){
        try{
            Dimension size = new Dimension(width, height);
            setPreferredSize(size);
            setMinimumSize(size);
            setMaximumSize(size); //set min and max size in code so that way window is not accidentally resized ever

            frameBuffer = new RenderContext(width, height);
            displayImage = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
            displayComponents = ((DataBufferByte)displayImage.getRaster().getDataBuffer()).getData(); //why in the actual heck is it so difficult to access the bytes of the image

            frameBuffer.Clear((byte)0x80); //set screen to grey

            frame = new JFrame();
            frame.add(this);
            frame.pack(); //make not resizable
            frame.setResizable(false); //make it not resizable because of 3d graphic stuff
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setLocationRelativeTo(null); //set frame in center of screen
            frame.setTitle(title);
            frame.setVisible(true);
            frame.setSize(800, 600);

            createBufferStrategy(1);
            bufferStrategy = getBufferStrategy();
            graphics = bufferStrategy.getDrawGraphics();
        }catch (Exception e){
            JOptionPane.showMessageDialog(Display.frame, "An error has occurred within starting the KobiWare Engine.\nLine " +e.getStackTrace()[0].getLineNumber() + ": " + e);
            System.out.println("An error has occurred within starting the KobiWare Engine at line " + e.getStackTrace()[0].getLineNumber() + ", " + e);
            System.exit(0);
        }
    }
    public void SwapBuffers() {
        frameBuffer.CopyToByteArray(displayComponents); //copy the bit map into display components
        graphics.drawImage(displayImage, 0, 0, frameBuffer.GetWidth(), frameBuffer.GetHeight(), null);
        bufferStrategy.show();
    }
}