p = subprocess.Popen([
'compare',
'-metric', 'AE',
- '-fuzz', '%u%%' % options.fuzz,
+ '-fuzz', '%u%%' % (100*options.fuzz,),
'-dissimilarity-threshold', '1',
ref_image, src_image, delta_image
], stderr=subprocess.PIPE)
diff = ImageChops.difference(src_im, ref_im)
- mask = ImageEnhance.Brightness(diff).enhance(100.0/options.fuzz)
+ mask = ImageEnhance.Brightness(diff).enhance(1.0/options.fuzz)
mask = mask.convert('L')
lowlight = Image.new('RGB', src_im.size, (0xff, 0xff, 0xff))
# See also http://effbot.org/zone/pil-comparing-images.htm
# TODO: this is approximate due to the grayscale conversion
h = diff.convert('L').histogram()
- ae = sum(h[255 * options.fuzz // 100 + 1 : 256])
+ ae = sum(h[int(255 * options.fuzz) + 1 : 256])
return ae
help="output filename [default: %default]")
optparser.add_option(
'-f', '--fuzz',
- type="int", dest="fuzz", default=5,
- help="fuzz percentage [default: %default]")
+ type="float", dest="fuzz", default=.05,
+ help="fuzz ratio [default: %default]")
optparser.add_option(
'--overwrite',
action="store_true", dest="overwrite", default=False,