/*
     Demonstrates reading in an Image with the ImageIO class.
     Image is the superclass of BufferedImage.
     Returns null on i/o error.
    */
    public Image loadImage(String filename) {
		BufferedImage image = null;
		try {
			image = ImageIO.read(new File(filename));
		}
		catch (IOException ex) {
			ex.printStackTrace();
		}
        
        return image;
    }
    
    /***
    
     Drawing an image:
      Draw it somewhere
      g.drawImage(image, upper-left-x, upper-left-y, null);
      
      Draw it somewhere, rescaling it to fit a rectangle of the given size:
       g.drawImage(image, upper-left-x, upper-left-y, width, height, null);
      
      In the Image class, see the method getScaledInstance() to compute a resized
      image based on an existing image.
      
    ***/