def lighter(color, light=0.3): c = webcolors.html5_parse_legacy_color(color) vals = (c.red, c.green, c.blue) assert 0 < light <= 1, light vals = [int(255*light + v * (1 - light)) for v in vals] return webcolors.rgb_to_hex(webcolors.HTML5SimpleColor(*vals))
def dimmer(color, dim=0.3): c = webcolors.html5_parse_legacy_color(color) vals = (c.red, c.green, c.blue) assert 0 < dim <= 1, dim vals = [int(v * (1 - dim)) for v in vals] return webcolors.rgb_to_hex(webcolors.HTML5SimpleColor(*vals))
def greyit(color, pull=0.5, base=0.1): c = webcolors.html5_parse_legacy_color(color) vals = (c.red, c.green, c.blue) if base is not None: vals = [max(v, base) for v in vals] avg = sum(vals) / 3 assert 0 < pull <= 1, pull vals = [max(0, min(int(pull * avg + (1 - pull) * v), 255)) for v in vals] return webcolors.rgb_to_hex(webcolors.HTML5SimpleColor(*vals))
def test_serialize_simple_color(self):
"""
Test implementation of the HTML5 simple color serialization
algorithm.
"""
test_pairs = (
((0, 0, 0), "#000000"),
((0, 0, 128), "#000080"),
((218, 165, 32), "#daa520"),
(webcolors.IntegerRGB(218, 165, 32), "#daa520"),
(webcolors.HTML5SimpleColor(218, 165, 32), "#daa520"),
)
for raw, serialized in test_pairs:
result = webcolors.html5_serialize_simple_color(raw)
assert serialized == result
def test_serialize_simple_color(self):
"""
Test implementation of the HTML5 simple color serialization
algorithm.
"""
test_pairs = (
((0, 0, 0), u'#000000'),
((0, 0, 128), u'#000080'),
((218, 165, 32), u'#daa520'),
(webcolors.IntegerRGB(218, 165, 32), u'#daa520'),
(webcolors.HTML5SimpleColor(218, 165, 32), u'#daa520'),
)
for raw, serialized in test_pairs:
self.assertEqual(serialized,
webcolors.html5_serialize_simple_color(raw))
def process_color(raw): full = webcolors.HTML5SimpleColor(*raw) if isinstance(raw, (list,tuple)) \ else webcolors.html5_parse_legacy_color(raw) return webcolors.rgb_to_hex(full)