def convert_color_for_font_tag(val):
rgba = parse_color_string(unicode(val or ''))
if rgba is None or rgba == 'currentColor':
return val
clamp = lambda x: min(x, max(0, x), 1)
rgb = map(clamp, rgba[:3])
return '#' + ''.join(map(lambda x: '%02x' % int(x * 255), rgb))
def convert_color_for_font_tag(val):
rgba = parse_color_string(str(val or ''))
if rgba is None or rgba == 'currentColor':
return val
clamp = lambda x: min(x, max(0, x), 1)
rgb = list(map(clamp, rgba[:3]))
return '#' + ''.join(['%02x' % int(x * 255) for x in rgb])
def convert_color_for_font_tag(val):
rgba = parse_color_string(unicode_type(val or ''))
if rgba is None or rgba == 'currentColor':
return val
clamp = lambda x: min(x, max(0, x), 1)
rgb = map(clamp, rgba[:3])
return '#' + ''.join(map(lambda x:'%02x' % int(x * 255), rgb))
def test_color(css_source, expected_result):
result = parse_color_string(css_source)
if isinstance(result, tuple):
for got, expected in zip(result, expected_result):
# Compensate for floating point errors:
assert abs(got - expected) < 1e-10
for i, attr in enumerate(['red', 'green', 'blue', 'alpha']):
assert getattr(result, attr) == result[i]
else:
assert result == expected_result
def convert_color(value):
if not value:
return
if value.lower() == 'currentcolor':
return 'auto'
val = parse_color_string(value)
if val is None:
return
if val.alpha < 0.01:
return
return f'{int(val.red * 255):02X}{int(val.green * 255):02X}{int(val.blue * 255):02X}'
def convert_color(value):
if not value:
return
if value.lower() == 'currentcolor':
return 'auto'
val = parse_color_string(value)
if val is None:
return
if val.alpha < 0.01:
return
return '%02X%02X%02X' % (int(val.red * 255), int(val.green * 255), int(val.blue * 255))
def convert_color(value):
if not value:
return
if value.lower() == "currentcolor":
return "auto"
val = parse_color_string(value)
if val is None:
return
if val.alpha < 0.01:
return
return "%02X%02X%02X" % (int(val.red * 255), int(val.green * 255), int(val.blue * 255))
def test_color_parsing(self):
for css_source, expected_result in [
('', None),
(' /* hey */\n', None),
('4', None),
('top', None),
('/**/transparent', (0, 0, 0, 0)),
('transparent', (0, 0, 0, 0)),
(' transparent\n', (0, 0, 0, 0)),
('TransParent', (0, 0, 0, 0)),
('currentColor', 'currentColor'),
('CURRENTcolor', 'currentColor'),
('current_Color', None),
('black', (0, 0, 0, 1)),
('white', (1, 1, 1, 1)),
('fuchsia', (1, 0, 1, 1)),
('cyan', (0, 1, 1, 1)),
('CyAn', (0, 1, 1, 1)),
('darkkhaki', (189 / 255., 183 / 255., 107 / 255., 1)),
('#', None),
('#f', None),
('#ff', None),
('#fff', (1, 1, 1, 1)),
('#ffg', None),
('#ffff', None),
('#fffff', None),
('#ffffff', (1, 1, 1, 1)),
('#fffffg', None),
('#fffffff', None),
('#ffffffff', None),
('#fffffffff', None),
('#cba987', (203 / 255., 169 / 255., 135 / 255., 1)),
('#CbA987', (203 / 255., 169 / 255., 135 / 255., 1)),
('#1122aA', (17 / 255., 34 / 255., 170 / 255., 1)),
('#12a', (17 / 255., 34 / 255., 170 / 255., 1)),
('rgb(203, 169, 135)', (203 / 255., 169 / 255., 135 / 255., 1)),
('RGB(255, 255, 255)', (1, 1, 1, 1)),
('rgB(0, 0, 0)', (0, 0, 0, 1)),
('rgB(0, 51, 255)', (0, .2, 1, 1)),
('rgb(0,51,255)', (0, .2, 1, 1)),
('rgb(0\t, 51 ,255)', (0, .2, 1, 1)),
('rgb(/* R */0, /* G */51, /* B */255)', (0, .2, 1, 1)),
('rgb(-51, 306, 0)', (-.2, 1.2, 0, 1)), # out of 0..1 is allowed
('rgb(42%, 3%, 50%)', (.42, .03, .5, 1)),
('RGB(100%, 100%, 100%)', (1, 1, 1, 1)),
('rgB(0%, 0%, 0%)', (0, 0, 0, 1)),
('rgB(10%, 20%, 30%)', (.1, .2, .3, 1)),
('rgb(10%,20%,30%)', (.1, .2, .3, 1)),
('rgb(10%\t, 20% ,30%)', (.1, .2, .3, 1)),
('rgb(/* R */10%, /* G */20%, /* B */30%)', (.1, .2, .3, 1)),
('rgb(-12%, 110%, 1400%)', (-.12, 1.1, 14,
1)), # out of 0..1 is allowed
('rgb(10%, 50%, 0)', None),
('rgb(255, 50%, 0%)', None),
('rgb(0, 0 0)', None),
('rgb(0, 0, 0deg)', None),
('rgb(0, 0, light)', None),
('rgb()', None),
('rgb(0)', None),
('rgb(0, 0)', None),
('rgb(0, 0, 0, 0)', None),
('rgb(0%)', None),
('rgb(0%, 0%)', None),
('rgb(0%, 0%, 0%, 0%)', None),
('rgb(0%, 0%, 0%, 0)', None),
('rgba(0, 0, 0, 0)', (0, 0, 0, 0)),
('rgba(203, 169, 135, 0.3)', (203 / 255., 169 / 255., 135 / 255.,
0.3)),
('RGBA(255, 255, 255, 0)', (1, 1, 1, 0)),
('rgBA(0, 51, 255, 1)', (0, 0.2, 1, 1)),
('rgba(0, 51, 255, 1.1)', (0, 0.2, 1, 1)),
('rgba(0, 51, 255, 37)', (0, 0.2, 1, 1)),
('rgba(0, 51, 255, 0.42)', (0, 0.2, 1, 0.42)),
('rgba(0, 51, 255, 0)', (0, 0.2, 1, 0)),
('rgba(0, 51, 255, -0.1)', (0, 0.2, 1, 0)),
('rgba(0, 51, 255, -139)', (0, 0.2, 1, 0)),
('rgba(42%, 3%, 50%, 0.3)', (.42, .03, .5, 0.3)),
('RGBA(100%, 100%, 100%, 0)', (1, 1, 1, 0)),
('rgBA(0%, 20%, 100%, 1)', (0, 0.2, 1, 1)),
('rgba(0%, 20%, 100%, 1.1)', (0, 0.2, 1, 1)),
('rgba(0%, 20%, 100%, 37)', (0, 0.2, 1, 1)),
('rgba(0%, 20%, 100%, 0.42)', (0, 0.2, 1, 0.42)),
('rgba(0%, 20%, 100%, 0)', (0, 0.2, 1, 0)),
('rgba(0%, 20%, 100%, -0.1)', (0, 0.2, 1, 0)),
('rgba(0%, 20%, 100%, -139)', (0, 0.2, 1, 0)),
('rgba(255, 255, 255, 0%)', None),
('rgba(10%, 50%, 0, 1)', None),
('rgba(255, 50%, 0%, 1)', None),
('rgba(0, 0, 0 0)', None),
('rgba(0, 0, 0, 0deg)', None),
('rgba(0, 0, 0, light)', None),
('rgba()', None),
('rgba(0)', None),
('rgba(0, 0, 0)', None),
('rgba(0, 0, 0, 0, 0)', None),
('rgba(0%)', None),
('rgba(0%, 0%)', None),
('rgba(0%, 0%, 0%)', None),
('rgba(0%, 0%, 0%, 0%)', None),
('rgba(0%, 0%, 0%, 0%, 0%)', None),
('HSL(0, 0%, 0%)', (0, 0, 0, 1)),
('hsL(0, 100%, 50%)', (1, 0, 0, 1)),
('hsl(60, 100%, 37.5%)', (0.75, 0.75, 0, 1)),
('hsl(780, 100%, 37.5%)', (0.75, 0.75, 0, 1)),
('hsl(-300, 100%, 37.5%)', (0.75, 0.75, 0, 1)),
('hsl(300, 50%, 50%)', (0.75, 0.25, 0.75, 1)),
('hsl(10, 50%, 0)', None),
('hsl(50%, 50%, 0%)', None),
('hsl(0, 0% 0%)', None),
('hsl(30deg, 100%, 100%)', None),
('hsl(0, 0%, light)', None),
('hsl()', None),
('hsl(0)', None),
('hsl(0, 0%)', None),
('hsl(0, 0%, 0%, 0%)', None),
('HSLA(-300, 100%, 37.5%, 1)', (0.75, 0.75, 0, 1)),
('hsLA(-300, 100%, 37.5%, 12)', (0.75, 0.75, 0, 1)),
('hsla(-300, 100%, 37.5%, 0.2)', (0.75, 0.75, 0, .2)),
('hsla(-300, 100%, 37.5%, 0)', (0.75, 0.75, 0, 0)),
('hsla(-300, 100%, 37.5%, -3)', (0.75, 0.75, 0, 0)),
('hsla(10, 50%, 0, 1)', None),
('hsla(50%, 50%, 0%, 1)', None),
('hsla(0, 0% 0%, 1)', None),
('hsla(30deg, 100%, 100%, 1)', None),
('hsla(0, 0%, light, 1)', None),
('hsla()', None),
('hsla(0)', None),
('hsla(0, 0%)', None),
('hsla(0, 0%, 0%, 50%)', None),
('hsla(0, 0%, 0%, 1, 0%)', None),
('cmyk(0, 0, 0, 0)', None),
]:
result = parse_color_string(css_source)
if isinstance(result, tuple):
for got, expected in zip(result, expected_result):
# Compensate for floating point errors:
self.assertLess(abs(got - expected), 1e-10)
for i, attr in enumerate(['red', 'green', 'blue', 'alpha']):
self.ae(getattr(result, attr), result[i])
else:
self.ae(result, expected_result)
def test_color_parsing(self):
for css_source, expected_result in [
('', None),
(' /* hey */\n', None),
('4', None),
('top', None),
('/**/transparent', (0, 0, 0, 0)),
('transparent', (0, 0, 0, 0)),
(' transparent\n', (0, 0, 0, 0)),
('TransParent', (0, 0, 0, 0)),
('currentColor', 'currentColor'),
('CURRENTcolor', 'currentColor'),
('current_Color', None),
('black', (0, 0, 0, 1)),
('white', (1, 1, 1, 1)),
('fuchsia', (1, 0, 1, 1)),
('cyan', (0, 1, 1, 1)),
('CyAn', (0, 1, 1, 1)),
('darkkhaki', (189 / 255., 183 / 255., 107 / 255., 1)),
('#', None),
('#f', None),
('#ff', None),
('#fff', (1, 1, 1, 1)),
('#ffg', None),
('#ffff', None),
('#fffff', None),
('#ffffff', (1, 1, 1, 1)),
('#fffffg', None),
('#fffffff', None),
('#ffffffff', None),
('#fffffffff', None),
('#cba987', (203 / 255., 169 / 255., 135 / 255., 1)),
('#CbA987', (203 / 255., 169 / 255., 135 / 255., 1)),
('#1122aA', (17 / 255., 34 / 255., 170 / 255., 1)),
('#12a', (17 / 255., 34 / 255., 170 / 255., 1)),
('rgb(203, 169, 135)', (203 / 255., 169 / 255., 135 / 255., 1)),
('RGB(255, 255, 255)', (1, 1, 1, 1)),
('rgB(0, 0, 0)', (0, 0, 0, 1)),
('rgB(0, 51, 255)', (0, .2, 1, 1)),
('rgb(0,51,255)', (0, .2, 1, 1)),
('rgb(0\t, 51 ,255)', (0, .2, 1, 1)),
('rgb(/* R */0, /* G */51, /* B */255)', (0, .2, 1, 1)),
('rgb(-51, 306, 0)', (-.2, 1.2, 0, 1)), # out of 0..1 is allowed
('rgb(42%, 3%, 50%)', (.42, .03, .5, 1)),
('RGB(100%, 100%, 100%)', (1, 1, 1, 1)),
('rgB(0%, 0%, 0%)', (0, 0, 0, 1)),
('rgB(10%, 20%, 30%)', (.1, .2, .3, 1)),
('rgb(10%,20%,30%)', (.1, .2, .3, 1)),
('rgb(10%\t, 20% ,30%)', (.1, .2, .3, 1)),
('rgb(/* R */10%, /* G */20%, /* B */30%)', (.1, .2, .3, 1)),
('rgb(-12%, 110%, 1400%)', (-.12, 1.1, 14, 1)), # out of 0..1 is allowed
('rgb(10%, 50%, 0)', None),
('rgb(255, 50%, 0%)', None),
('rgb(0, 0 0)', None),
('rgb(0, 0, 0deg)', None),
('rgb(0, 0, light)', None),
('rgb()', None),
('rgb(0)', None),
('rgb(0, 0)', None),
('rgb(0, 0, 0, 0)', None),
('rgb(0%)', None),
('rgb(0%, 0%)', None),
('rgb(0%, 0%, 0%, 0%)', None),
('rgb(0%, 0%, 0%, 0)', None),
('rgba(0, 0, 0, 0)', (0, 0, 0, 0)),
('rgba(203, 169, 135, 0.3)', (203 / 255., 169 / 255., 135 / 255., 0.3)),
('RGBA(255, 255, 255, 0)', (1, 1, 1, 0)),
('rgBA(0, 51, 255, 1)', (0, 0.2, 1, 1)),
('rgba(0, 51, 255, 1.1)', (0, 0.2, 1, 1)),
('rgba(0, 51, 255, 37)', (0, 0.2, 1, 1)),
('rgba(0, 51, 255, 0.42)', (0, 0.2, 1, 0.42)),
('rgba(0, 51, 255, 0)', (0, 0.2, 1, 0)),
('rgba(0, 51, 255, -0.1)', (0, 0.2, 1, 0)),
('rgba(0, 51, 255, -139)', (0, 0.2, 1, 0)),
('rgba(42%, 3%, 50%, 0.3)', (.42, .03, .5, 0.3)),
('RGBA(100%, 100%, 100%, 0)', (1, 1, 1, 0)),
('rgBA(0%, 20%, 100%, 1)', (0, 0.2, 1, 1)),
('rgba(0%, 20%, 100%, 1.1)', (0, 0.2, 1, 1)),
('rgba(0%, 20%, 100%, 37)', (0, 0.2, 1, 1)),
('rgba(0%, 20%, 100%, 0.42)', (0, 0.2, 1, 0.42)),
('rgba(0%, 20%, 100%, 0)', (0, 0.2, 1, 0)),
('rgba(0%, 20%, 100%, -0.1)', (0, 0.2, 1, 0)),
('rgba(0%, 20%, 100%, -139)', (0, 0.2, 1, 0)),
('rgba(255, 255, 255, 0%)', None),
('rgba(10%, 50%, 0, 1)', None),
('rgba(255, 50%, 0%, 1)', None),
('rgba(0, 0, 0 0)', None),
('rgba(0, 0, 0, 0deg)', None),
('rgba(0, 0, 0, light)', None),
('rgba()', None),
('rgba(0)', None),
('rgba(0, 0, 0)', None),
('rgba(0, 0, 0, 0, 0)', None),
('rgba(0%)', None),
('rgba(0%, 0%)', None),
('rgba(0%, 0%, 0%)', None),
('rgba(0%, 0%, 0%, 0%)', None),
('rgba(0%, 0%, 0%, 0%, 0%)', None),
('HSL(0, 0%, 0%)', (0, 0, 0, 1)),
('hsL(0, 100%, 50%)', (1, 0, 0, 1)),
('hsl(60, 100%, 37.5%)', (0.75, 0.75, 0, 1)),
('hsl(780, 100%, 37.5%)', (0.75, 0.75, 0, 1)),
('hsl(-300, 100%, 37.5%)', (0.75, 0.75, 0, 1)),
('hsl(300, 50%, 50%)', (0.75, 0.25, 0.75, 1)),
('hsl(10, 50%, 0)', None),
('hsl(50%, 50%, 0%)', None),
('hsl(0, 0% 0%)', None),
('hsl(30deg, 100%, 100%)', None),
('hsl(0, 0%, light)', None),
('hsl()', None),
('hsl(0)', None),
('hsl(0, 0%)', None),
('hsl(0, 0%, 0%, 0%)', None),
('HSLA(-300, 100%, 37.5%, 1)', (0.75, 0.75, 0, 1)),
('hsLA(-300, 100%, 37.5%, 12)', (0.75, 0.75, 0, 1)),
('hsla(-300, 100%, 37.5%, 0.2)', (0.75, 0.75, 0, .2)),
('hsla(-300, 100%, 37.5%, 0)', (0.75, 0.75, 0, 0)),
('hsla(-300, 100%, 37.5%, -3)', (0.75, 0.75, 0, 0)),
('hsla(10, 50%, 0, 1)', None),
('hsla(50%, 50%, 0%, 1)', None),
('hsla(0, 0% 0%, 1)', None),
('hsla(30deg, 100%, 100%, 1)', None),
('hsla(0, 0%, light, 1)', None),
('hsla()', None),
('hsla(0)', None),
('hsla(0, 0%)', None),
('hsla(0, 0%, 0%, 50%)', None),
('hsla(0, 0%, 0%, 1, 0%)', None),
('cmyk(0, 0, 0, 0)', None),
]:
result = parse_color_string(css_source)
if isinstance(result, tuple):
for got, expected in zip(result, expected_result):
# Compensate for floating point errors:
self.assertLess(abs(got - expected), 1e-10)
for i, attr in enumerate(['red', 'green', 'blue', 'alpha']):
self.ae(getattr(result, attr), result[i])
else:
self.ae(result, expected_result)
