/**
 * From http://stackoverflow.com/questions/9370592/i-am-looking-for-a-good-example-of-adding-an-image-to-an-applet/9370871#9370871
 */
package exampleLab4_ImagePanel;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.image.BufferedImage;

import javax.swing.JPanel;

@SuppressWarnings("serial")
class ImagePanel extends JPanel {
    private BufferedImage img;

    public ImagePanel(BufferedImage img) {
        this.img = img;
        setPreferredSize(new Dimension(img.getWidth(), img.getHeight()));
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        if (img != null) {
//            g.drawImage(img, 0, 0, this); // corrected


            // thiswidth/imgwidth > thisheight/imgheight :
            // more scaling required in width direction to meet edge,
            // so scale in height direction to match edge.
            if(this.getWidth()*img.getHeight() > img.getWidth() * this.getHeight()) {
                g.drawImage(img, 0, 0, (this.getHeight()*img.getWidth())/img.getHeight(), this.getHeight(), this);
            }
            else {
                g.drawImage(img, 0, 0, this.getWidth(), (this.getWidth()*img.getHeight())/img.getWidth(), this);
            }
        }
    }
}