Image.java

/**
 * Image illustrates some basics of Java 2D.
 * This version is compliant with Java 1.2 Beta 3, Jun 1998.
 * Please refer to: <BR>
 * http://www.javaworld.com/javaworld/jw-07-1998/jw-07-media.html
 * <P>
 * @author Bill Day <bill.day@javaworld.com>
 * @version 1.0
 * @see java.awt.Graphics2D
**/

/**
Geoffrey Matthews modified this code to show how to make
an image pixel by pixel.
13 April 2017
**/

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

public class Image extends Frame {
    private int WIDTH = 512;
    private int HEIGHT = 512;

    /**
     * Instantiates an Example01 object.
     **/

    /**
     * Our Example01 constructor sets the frame's size, adds the
     * visual components, and then makes them visible to the user.
     * It uses an adapter class to deal with the user closing
     * the frame.
     **/
    public Image() {
        //Title our frame.
        super("Project 2");

        //Set the size for the frame.
        setSize(WIDTH, HEIGHT);

        //We need to turn on the visibility of our frame
        //by setting the Visible parameter to true.
        setVisible(true);

        //Now, we want to be sure we properly dispose of resources
        //this frame is using when the window is closed.  We use
        //an anonymous inner class adapter for this.
        addWindowListener(new WindowAdapter()
                          {public void windowClosing(WindowEvent e)
                          {dispose(); System.exit(0);}
                          }
        );
    }

    public int getWIDTH() {
        return this.WIDTH;
    }

    public int getHEIGHT() {
        return this.HEIGHT;
    }

    /**
     * The paint method provides the real magic.  Here we
     * cast the Graphics object to Graphics2D to illustrate
     * that we may use the same old graphics capabilities with
     * Graphics2D that we are used to using with Graphics.
     **/
    public void paint(Graphics g, Color c, int x1, int y1, int x2, int y2) {
        g.setColor(c);
        g.drawLine(x1,y1,x2,y2);
    }
}