/** Compare two images. May be BufferedImages or File arguments. */
public int compare(Object obj1, Object obj2) {
try {
obj1 = convertToJPEGFile(obj1);
} catch (IOException io) {
obj1 = null;
}
try {
obj2 = convertToJPEGFile(obj2);
} catch (IOException io) {
obj2 = null;
}
Log.debug("Comparing " + obj1 + " and " + obj2);
return comparator.compare(obj1, obj2);
}