This adds renames the Colornames dictionary to Colornames_strict, and adds a
Colornames_SVG dictionary which it uses by default. Colornames_SVG is a
strict superset of the HTML4 colors. At one point, there had been some
objection over having to maintain the list "manually", so I'll also include
a utility program that generates the dictionary automatically from the w3c's
own specs.
Also note that the _parse_color function is updated to always return a
value, instead of sometimes returning None.
73,74c79,100
< ## the following is the default set of colornames understood by HTML
< Colornames = {
---
> ##
> ## There are several colorsets in use on the web.
> ##
> ## Plucker has traditionally used the HTML4 color names
(Colornames_strict)
> ##
> ## CSS2.1 <URL: http://www.w3.org/TR/CSS21/syndata.html#color-units> adds
> ## orange ("FFA500") and several "colors" that depend on current system
> ## settings. It isn't clear what to do with system colors, except maybe
> ## defaulting to black.
> ##
> ## SVG adds several other colors (from the X windows color set, plus some
grays).
> ##
> ## CSS3 <URL: http://www.w3.org/TR/2003/CR-css3-color-20030514/ > color
names
> ## represent the future of standards, but split color names into several
> ## different profiles. Full support is more complicated than Plucker
> ## currently supports.
> ##
> ## Some web sites use Crayola colors.
> ##
>
>
> Colornames_strict = {
93a120,305
> Colornames_SVG = {
> 'aliceblue': 'F0F8FF',
> 'antiquewhite': 'FAEBD7',
> 'aqua': '00FFFF',
> 'aquamarine': '7FFFD4',
> 'azure': 'F0FFFF',
> 'beige': 'F5F5DC',
> 'bisque': 'FFE4C4',
> 'black': '000000',
> 'blanchedalmond': 'FFEBCD',
> 'blue': '0000FF',
> 'blueviolet': '8A2BE2',
> 'brown': 'A52A2A',
> 'burlywood': 'DEB887',
> 'cadetblue': '5F9EA0',
> 'chartreuse': '7FFF00',
> 'chocolate': 'D2691E',
> 'coral': 'FF7F50',
> 'cornflowerblue': '6495ED',
> 'cornsilk': 'FFF8DC',
> 'crimson': 'DC143C',
> 'cyan': '00FFFF',
> 'darkblue': '00008B',
> 'darkcyan': '008B8B',
> 'darkgoldenrod': 'B8860B',
> 'darkgray': 'A9A9A9',
> 'darkgreen': '006400',
> 'darkgrey': 'A9A9A9',
> 'darkkhaki': 'BDB76B',
> 'darkmagenta': '8B008B',
> 'darkolivegreen': '556B2F',
> 'darkorange': 'FF8C00',
> 'darkorchid': '9932CC',
> 'darkred': '8B0000',
> 'darksalmon': 'E9967A',
> 'darkseagreen': '8FBC8F',
> 'darkslateblue': '483D8B',
> 'darkslategray': '2F4F4F',
> 'darkslategrey': '2F4F4F',
> 'darkturquoise': '00CED1',
> 'darkviolet': '9400D3',
> 'deeppink': 'FF1493',
> 'deepskyblue': '00BFFF',
> 'dimgray': '696969',
> 'dimgrey': '696969',
> 'dodgerblue': '1E90FF',
> 'firebrick': 'B22222',
> 'floralwhite': 'FFFAF0',
> 'forestgreen': '228B22',
> 'fuchsia': 'FF00FF',
> 'gainsboro': 'DCDCDC',
> 'ghostwhite': 'F8F8FF',
> 'gold': 'FFD700',
> 'goldenrod': 'DAA520',
> 'gray': '808080',
> 'green': '008000',
> 'greenyellow': 'ADFF2F',
> 'grey': '808080',
> 'honeydew': 'F0FFF0',
> 'hotpink': 'FF69B4',
> 'indianred': 'CD5C5C',
> 'indigo': '4B0082',
> 'ivory': 'FFFFF0',
> 'khaki': 'F0E68C',
> 'lavender': 'E6E6FA',
> 'lavenderblush': 'FFF0F5',
> 'lawngreen': '7CFC00',
> 'lemonchiffon': 'FFFACD',
> 'lightblue': 'ADD8E6',
> 'lightcoral': 'F08080',
> 'lightcyan': 'E0FFFF',
> 'lightgoldenrodyellow': 'FAFAD2',
> 'lightgray': 'D3D3D3',
> 'lightgreen': '90EE90',
> 'lightgrey': 'D3D3D3',
> 'lightpink': 'FFB6C1',
> 'lightsalmon': 'FFA07A',
> 'lightseagreen': '20B2AA',
> 'lightskyblue': '87CEFA',
> 'lightslategray': '778899',
> 'lightslategrey': '778899',
> 'lightsteelblue': 'B0C4DE',
> 'lightyellow': 'FFFFE0',
> 'lime': '00FF00',
> 'limegreen': '32CD32',
> 'linen': 'FAF0E6',
> 'magenta': 'FF00FF',
> 'maroon': '800000',
> 'mediumaquamarine': '66CDAA',
> 'mediumblue': '0000CD',
> 'mediumorchid': 'BA55D3',
> 'mediumpurple': '9370DB',
> 'mediumseagreen': '3CB371',
> 'mediumslateblue': '7B68EE',
> 'mediumspringgreen': '00FA9A',
> 'mediumturquoise': '48D1CC',
> 'mediumvioletred': 'C71585',
> 'midnightblue': '191970',
> 'mintcream': 'F5FFFA',
> 'mistyrose': 'FFE4E1',
> 'moccasin': 'FFE4B5',
> 'navajowhite': 'FFDEAD',
> 'navy': '000080',
> 'oldlace': 'FDF5E6',
> 'olive': '808000',
> 'olivedrab': '6B8E23',
> 'orange': 'FFA500',
> 'orangered': 'FF4500',
> 'orchid': 'DA70D6',
> 'palegoldenrod': 'EEE8AA',
> 'palegreen': '98FB98',
> 'paleturquoise': 'AFEEEE',
> 'palevioletred': 'DB7093',
> 'papayawhip': 'FFEFD5',
> 'peachpuff': 'FFDAB9',
> 'peru': 'CD853F',
> 'pink': 'FFC0CB',
> 'plum': 'DDA0DD',
> 'powderblue': 'B0E0E6',
> 'purple': '800080',
> 'red': 'FF0000',
> 'rosybrown': 'BC8F8F',
> 'royalblue': '4169E1',
> 'saddlebrown': '8B4513',
> 'salmon': 'FA8072',
> 'sandybrown': 'F4A460',
> 'seagreen': '2E8B57',
> 'seashell': 'FFF5EE',
> 'sienna': 'A0522D',
> 'silver': 'C0C0C0',
> 'skyblue': '87CEEB',
> 'slateblue': '6A5ACD',
> 'slategray': '708090',
> 'slategrey': '708090',
> 'snow': 'FFFAFA',
> 'springgreen': '00FF7F',
> 'steelblue': '4682B4',
> 'tan': 'D2B48C',
> 'teal': '008080',
> 'thistle': 'D8BFD8',
> 'tomato': 'FF6347',
> 'turquoise': '40E0D0',
> 'violet': 'EE82EE',
> 'wheat': 'F5DEB3',
> 'white': 'FFFFFF',
> 'whitesmoke': 'F5F5F5',
> 'yellow': 'FFFF00',
> 'yellowgreen': '9ACD32',
> }
>
> Colornames = Colornames_SVG
>
> def _parse_color (value):
> """Get the RGB value.
>
> Try text colorname (e.g. 'silver'),
> then try to lower-case that (e.g., 'Silver')
> then try an RGB value (e.g. #C0C0C0),
> then try an RGB value missing the # (e.g. C0C0C0)
> then default to black ("#000000").
> """
>
> try:
> return Colornames[value]
> except KeyError:
> pass
>
> # This is redundant, if the page is coded entirely properly.
> try:
> return Colornames[value.lower()]
> except KeyError:
> pass
>
> if value[0] == '#':
> value = value[1:]
>
> try:
> val = '%06x' % string.atoi(value, 16)
> return val.upper()
> except ValueError:
> pass
>
> message (1, "Giving up on color %s, using black.", value)
> return "000000"
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