Java tutorial
import java.awt.Image; import java.awt.Toolkit; public class BasicDraw { public static void main(String[] args) { Image image = Toolkit.getDefaultToolkit().getImage("image.gif"); int width = image.getWidth(null); int height = image.getHeight(null); if (width >= 0) { // The image has been fully loaded } else { // The image has not been fully loaded } } }