ImagePanel.java

import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;

import javax.imageio.ImageIO;
import javax.swing.JPanel;

/**
 * class is the panel that displays the image of the evil wizard as player
 * submits incorrect guesses
 * 
 */
class ImagePanel extends JPanel {
	private Image[] imageArray;
	private int moves;
	private int imageIndex;

	/**
	 * Constructor to initialize ImagePanel to be an image of a random evil
	 * wizard
	 */
	public ImagePanel() {
		loadImage();
		Random r = new Random();
		imageIndex = r.nextInt(3);
	}

	/**
	 * Draws portion of the image
	 */
	public void paintComponent(Graphics g) {
		int x = 0;
		int y = 0;
		for (int i = 0; i < moves; i++) {
			g.drawImage(imageArray[imageIndex], x + 200, y, x + 300, y + 100,
					x, y, x + 100, y + 100, null);
			x += 100;
			if (x == 400) {
				y += 100;
				x = 0;
			}
		}
	}

	/**
	 * sets the number of moves so correct portion of image is displayed
	 * 
	 * @param i
	 *            number of moves
	 */
	public void setMoves(int i) {
		moves = i;
	}

	/**
	 * reads in the images
	 */
	public void loadImage() {
		imageArray = new Image[3];
		try {
			BufferedImage i = ImageIO.read(new File("draco.jpg"));
			imageArray[0] = i.getScaledInstance(400, 300,
					BufferedImage.TYPE_INT_ARGB);
			i = ImageIO.read(new File("umbridge.jpg"));
			imageArray[1] = i.getScaledInstance(400, 300,
					BufferedImage.TYPE_INT_ARGB);
			i = ImageIO.read(new File("voldemort.jpg"));
			imageArray[2] = i.getScaledInstance(400, 300,
					BufferedImage.TYPE_INT_ARGB);
		} catch (IOException e) {
			System.out.println("Problemo");
		}
	}
}