randomizer.java

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.util.Random;

import javax.swing.AbstractButton;
import javax.swing.JButton;
public class randomizer extends JPanel {
    private BufferedImage canvas;
    Random rand = new Random();
    public randomizer(int width, int height) {
        canvas = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        randCanvas();
    }
    public Dimension getPreferredSize() {
        return new Dimension(canvas.getWidth(), canvas.getHeight());
    }
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        Graphics2D g2 = (Graphics2D) g;
        g2.drawImage(canvas, null, null);
    }
    public void randCanvas(){
        for (int x = 0; x < canvas.getWidth(); x++) {
            for (int y = 0; y < canvas.getHeight(); y++) {
                int n = rand.nextInt(255) + 1;
                int o = rand.nextInt(255) + 1;
                int p = rand.nextInt(255) + 1;
                Color g = new Color(n,o,p);
                int r = g.getRGB();
                canvas.setRGB(x, y, r);
            }
        }
        repaint();
    }
    public static void main(String[] args) {
        int width = 512;
        int height = 512;
        JFrame frame = new JFrame("Image Randomizer");
        randomizer panel = new randomizer(width, height);
        frame.add(panel);
        frame.pack();
        frame.setVisible(true);
        frame.setResizable(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JButton b1=new JButton("Generate New Photo");
        b1.setVerticalTextPosition(AbstractButton.CENTER);
        b1.setHorizontalTextPosition(AbstractButton.TRAILING);

    }
}