convert an image by adding text

def add_text_to_image(fname, txt, opFilename):
    """ convert an image by adding text """
    ft = ImageFont.load("T://user//dev//src//python//_AS_LIB//timR24.pil")
    #wh = ft.getsize(txt)
    print("Adding text ", txt, " to ", fname, " pixels wide to file " , opFilename)
    im = Image.open(fname)
    draw = ImageDraw.Draw(im)
    draw.text((0, 0), txt, fill=(0, 0, 0), font=ft)
    del draw  
    im.save(opFilename)