public void initialise() {
		image = new BufferedImage(this.getWidth(), this.getHeight(),
				BufferedImage.TYPE_INT_RGB);
		int white = Color.white.getRGB();
		for (int i = 0; i < this.getWidth(); i++) {
			for (int j = 0; j < this.getHeight(); j++) {
				image.setRGB(i, j, white);
			}
		}
	}