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# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------------
# Copyright (c) 2014, Nicolas P. Rougier
# Distributed under the (new) BSD License. See LICENSE.txt for more info.
# -----------------------------------------------------------------------------
from itertools import product
from string import hexdigits
# See <http://www.w3.org/TR/SVG/types.html#ColorKeywords>
_keyword_colors = {
"aliceblue": (240, 248, 255),
"antiquewhite": (250, 235, 215),
"aqua": (0, 255, 255),
"aquamarine": (127, 255, 212),
"azure": (240, 255, 255),
"beige": (245, 245, 220),
"bisque": (255, 228, 196),
"black": (0, 0, 0),
"blanchedalmond": (255, 235, 205),
"blue": (0, 0, 255),
"blueviolet": (138, 43, 226),
"brown": (165, 42, 42),
"burlywood": (222, 184, 135),
"cadetblue": (95, 158, 160),
"chartreuse": (127, 255, 0),
"chocolate": (210, 105, 30),
"coral": (255, 127, 80),
"cornflowerblue": (100, 149, 237),
"cornsilk": (255, 248, 220),
"crimson": (220, 20, 60),
"cyan": (0, 255, 255),
"darkblue": (0, 0, 139),
"darkcyan": (0, 139, 139),
"darkgoldenrod": (184, 134, 11),
"darkgray": (169, 169, 169),
"darkgreen": (0, 100, 0),
"darkgrey": (169, 169, 169),
"darkkhaki": (189, 183, 107),
"darkmagenta": (139, 0, 139),
"darkolivegreen": (85, 107, 47),
"darkorange": (255, 140, 0),
"darkorchid": (153, 50, 204),
"darkred": (139, 0, 0),
"darksalmon": (233, 150, 122),
"darkseagreen": (143, 188, 143),
"darkslateblue": (72, 61, 139),
"darkslategray": (47, 79, 79),
"darkslategrey": (47, 79, 79),
"darkturquoise": (0, 206, 209),
"darkviolet": (148, 0, 211),
"deeppink": (255, 20, 147),
"deepskyblue": (0, 191, 255),
"dimgray": (105, 105, 105),
"dimgrey": (105, 105, 105),
"dodgerblue": (30, 144, 255),
"firebrick": (178, 34, 34),
"floralwhite": (255, 250, 240),
"forestgreen": (34, 139, 34),
"fuchsia": (255, 0, 255),
"gainsboro": (220, 220, 220),
"ghostwhite": (248, 248, 255),
"gold": (255, 215, 0),
"goldenrod": (218, 165, 32),
"gray": (128, 128, 128),
"grey": (128, 128, 128),
"green": (0, 128, 0),
"greenyellow": (173, 255, 47),
"honeydew": (240, 255, 240),
"hotpink": (255, 105, 180),
"indianred": (205, 92, 92),
"indigo": (75, 0, 130),
"ivory": (255, 255, 240),
"khaki": (240, 230, 140),
"lavender": (230, 230, 250),
"lavenderblush": (255, 240, 245),
"lawngreen": (124, 252, 0),
"lemonchiffon": (255, 250, 205),
"lightblue": (173, 216, 230),
"lightcoral": (240, 128, 128),
"lightcyan": (224, 255, 255),
"lightgoldenrodyellow": (250, 250, 210),
"lightgray": (211, 211, 211),
"lightgreen": (144, 238, 144),
"lightgrey": (211, 211, 211),
"lightpink": (255, 182, 193),
"lightsalmon": (255, 160, 122),
"lightseagreen": (32, 178, 170),
"lightskyblue": (135, 206, 250),
"lightslategray": (119, 136, 153),
"lightslategrey": (119, 136, 153),
"lightsteelblue": (176, 196, 222),
"lightyellow": (255, 255, 224),
"lime": (0, 255, 0),
"limegreen": (50, 205, 50),
"linen": (250, 240, 230),
"magenta": (255, 0, 255),
"maroon": (128, 0, 0),
"mediumaquamarine": (102, 205, 170),
"mediumblue": (0, 0, 205),
"mediumorchid": (186, 85, 211),
"mediumpurple": (147, 112, 219),
"mediumseagreen": (60, 179, 113),
"mediumslateblue": (123, 104, 238),
"mediumspringgreen": (0, 250, 154),
"mediumturquoise": (72, 209, 204),
"mediumvioletred": (199, 21, 133),
"midnightblue": (25, 25, 112),
"mintcream": (245, 255, 250),
"mistyrose": (255, 228, 225),
"moccasin": (255, 228, 181),
"navajowhite": (255, 222, 173),
"navy": (0, 0, 128),
"oldlace": (253, 245, 230),
"olive": (128, 128, 0),
"olivedrab": (107, 142, 35),
"orange": (255, 165, 0),
"orangered": (255, 69, 0),
"orchid": (218, 112, 214),
"palegoldenrod": (238, 232, 170),
"palegreen": (152, 251, 152),
"paleturquoise": (175, 238, 238),
"palevioletred": (219, 112, 147),
"papayawhip": (255, 239, 213),
"peachpuff": (255, 218, 185),
"peru": (205, 133, 63),
"pink": (255, 192, 203),
"plum": (221, 160, 221),
"powderblue": (176, 224, 230),
"purple": (128, 0, 128),
"red": (255, 0, 0),
"rosybrown": (188, 143, 143),
"royalblue": (65, 105, 225),
"saddlebrown": (139, 69, 19),
"salmon": (250, 128, 114),
"sandybrown": (244, 164, 96),
"seagreen": (46, 139, 87),
"seashell": (255, 245, 238),
"sienna": (160, 82, 45),
"silver": (192, 192, 192),
"skyblue": (135, 206, 235),
"slateblue": (106, 90, 205),
"slategray": (112, 128, 144),
"slategrey": (112, 128, 144),
"snow": (255, 250, 250),
"springgreen": (0, 255, 127),
"steelblue": (70, 130, 180),
"tan": (210, 180, 140),
"teal": (0, 128, 128),
"thistle": (216, 191, 216),
"tomato": (255, 99, 71),
"turquoise": (64, 224, 208),
"violet": (238, 130, 238),
"wheat": (245, 222, 179),
"white": (255, 255, 255),
"whitesmoke": (245, 245, 245),
"yellow": (255, 255, 0),
"yellowgreen": (154, 205, 50)}
_HEXDEC = {}
for x, y in product(hexdigits, repeat=2):
v = x + y
_HEXDEC[v] = int(v, 16)
def _rgb(triplet):
return _HEXDEC[triplet[0:2]], _HEXDEC[triplet[2:4]], _HEXDEC[triplet[4:6]]
class Color(object):
def __init__(self, content):
color = content.strip()
if color.startswith("#"):
rgb = color[1:]
if len(rgb) == 3:
r, g, b = tuple(ord((c + c).decode('hex')) for c in rgb)
else:
# r,g,b = tuple(ord(c) for c in rgb.decode('hex'))
r, g, b = tuple(c for c in _rgb(rgb))
elif color.startswith("rgb("):
rgb = color[4:-1]
r, g, b = [value.strip() for value in rgb.split(',')]
if r.endswith("%"):
r = 255 * int(r[:-1]) // 100
else:
r = int(r)
if g.endswith("%"):
g = 255 * int(g[:-1]) // 100
else:
g = int(r)
if b.endswith("%"):
b = 255 * int(b[:-1]) // 100
else:
b = int(r)
elif color in _keyword_colors:
r, g, b = _keyword_colors[color]
else:
# text = "Unknown color (%s)" % color
r, g, b = 0, 0, 0
self._rgb = r / 255., g / 255., b / 255.
@property
def rgb(self):
r, g, b = self._rgb
return r, g, b
@property
def rgba(self):
r, g, b = self._rgb
return r, g, b, 1
def __repr__(self):
r, g, b = self._rgb
r, g, b = int(r * 255), int(g * 255), int(b * 255)
return "#%02x%02x%02x" % (r, g, b)
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