ImageDisplay Class

import java.awt.Canvas;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;

import javax.imageio.ImageIO;

//ImageDisplay.java
//Eclipse Version: Mars Release (4.5.0)

public class ImageDisplay extends Canvas {
    Canvas test = new Canvas();
    File file;
    BufferedImage image;

    public ImageDisplay() {
    }

    public void paint(Graphics g) {
        BufferedImage image2 = image;
        int red, green, blue;

        for (int y = 0; y < image2.getHeight(); y++) {
            for (int x = 0; x < image2.getWidth(); x++) {
                Color color = new Color(image2.getRGB(x, y));

                red = color.getRed();
                green = color.getGreen();
                blue = color.getBlue();

                Color changedColor = new Color(red, green, blue);
                g.setColor(changedColor);
                g.fillRect(x, y, 1, 1);
            }
        }
    }

    void open(File file) {
        this.file = file;

        try {
            image = ImageIO.read(file);
        } catch (Exception e) {
        }
    }
}