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xhtml: Split parse_css_color out of parse_css.

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This commit is contained in:
Emmanuel Gil Peyrot 2017-10-07 12:29:06 +01:00
parent d19fef5e70
commit 82eb89c2e1
1 changed files with 27 additions and 26 deletions
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53
poezio/xhtml.py
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@ -234,32 +234,33 @@ def ncurses_color_to_html(color):
r = g = b = color / 24 * 6
return '#%02X%02X%02X' % (int(r*256/6), int(g*256/6), int(b*256/6))
def _parse_css_color(name):
if name[0] == '#':
name = name[1:]
length = len(name)
if length != 3 and length != 6:
return -1
value = int(name, 16)
if length == 6:
r = value >> 16
g = (value >> 8) & 0xff
b = value & 0xff
if r == g == b:
return int(232 + 0.0941 * r)
mult = 0.0235
else:
r = value >> 8
g = (value >> 4) & 0xf
b = value & 0xf
if r == g == b:
return int(232 + 1.54 * r)
mult = 0.3984
return 6*6*int(mult*r) + 6*int(mult*g) + int(mult*b) + 16
if name in colors:
return colors[name]
return -1
def parse_css(css):
def get_color(value):
if value[0] == '#':
value = value[1:]
length = len(value)
if length != 3 and length != 6:
return -1
value = int(value, 16)
if length == 6:
r = int(value >> 16)
g = int((value >> 8) & 0xff)
b = int(value & 0xff)
if r == g == b:
return 232 + int(r/10.6251)
div = 42.51
else:
r = int(value >> 8)
g = int((value >> 4) & 0xf)
b = int(value & 0xf)
if r == g == b:
return 232 + int(1.54*r)
div = 2.51
return 6*6*int(r/div) + 6*int(g/div) + int(b/div) + 16
if value in colors:
return colors[value]
return -1
shell = ''
rules = css.split(';')
for rule in rules:
@ -271,7 +272,7 @@ def parse_css(css):
if key == 'background-color':
pass#shell += '\x191'
elif key == 'color':
color = get_color(value)
color = _parse_css_color(value)
if color != -1:
shell += '\x19%d}' % color
elif key == 'font-style':