+ if path[-4:] == ".png":
+ ptr = loadPNG(path)
+ elif path[-4:] == ".jpg":
+ ptr = loadJPG(path)
+ elif path[-1:] == ".":
+ alpha = loadPNG(path + "a.png")
+ ptr = loadJPG(path + "rgb.jpg", alpha)
+ else:
+ raise "neither .png nor .jpg, please fix file extension"