"""Module to handle colors supported by Ginga."""
#
# colors.py -- color definitions
#
# This is open-source software licensed under a BSD license.
# Please see the file LICENSE.txt for details.
#
import re
import collections
__all__ = ['recalc_color_list', 'lookup_color', 'resolve_color', 'add_color',
'remove_color', 'get_colors', 'scan_rgbtxt', 'scan_rgbtxt_buf']
color_dict = {
'aliceblue': (0.9411764705882353, 0.9725490196078431, 1.0), # noqa
'antiquewhite': (0.9803921568627451, 0.9215686274509803, 0.8431372549019608),
'antiquewhite1': (1.0, 0.9372549019607843, 0.8588235294117647),
'antiquewhite2': (0.9333333333333333, 0.8745098039215686, 0.8),
'antiquewhite3': (0.803921568627451, 0.7529411764705882, 0.6901960784313725),
'antiquewhite4': (0.5450980392156862,
0.5137254901960784,
0.47058823529411764),
'aquamarine': (0.4980392156862745, 1.0, 0.8313725490196079),
'aquamarine1': (0.4980392156862745, 1.0, 0.8313725490196079),
'aquamarine2': (0.4627450980392157, 0.9333333333333333, 0.7764705882352941),
'aquamarine3': (0.4, 0.803921568627451, 0.6666666666666666),
'aquamarine4': (0.27058823529411763, 0.5450980392156862, 0.4549019607843137),
'azure': (0.9411764705882353, 1.0, 1.0),
'azure1': (0.9411764705882353, 1.0, 1.0),
'azure2': (0.8784313725490196, 0.9333333333333333, 0.9333333333333333),
'azure3': (0.7568627450980392, 0.803921568627451, 0.803921568627451),
'azure4': (0.5137254901960784, 0.5450980392156862, 0.5450980392156862),
'beige': (0.9607843137254902, 0.9607843137254902, 0.8627450980392157),
'bisque': (1.0, 0.8941176470588236, 0.7686274509803922),
'bisque1': (1.0, 0.8941176470588236, 0.7686274509803922),
'bisque2': (0.9333333333333333, 0.8352941176470589, 0.7176470588235294),
'bisque3': (0.803921568627451, 0.7176470588235294, 0.6196078431372549),
'bisque4': (0.5450980392156862, 0.49019607843137253, 0.4196078431372549),
'black': (0.0, 0.0, 0.0),
'blanchedalmond': (1.0, 0.9215686274509803, 0.803921568627451),
'blue': (0.0, 0.0, 1.0),
'blue1': (0.0, 0.0, 1.0),
'blue2': (0.0, 0.0, 0.9333333333333333),
'blue3': (0.0, 0.0, 0.803921568627451),
'blue4': (0.0, 0.0, 0.5450980392156862),
'blueviolet': (0.5411764705882353, 0.16862745098039217, 0.8862745098039215),
'brown': (0.6470588235294118, 0.16470588235294117, 0.16470588235294117),
'brown1': (1.0, 0.25098039215686274, 0.25098039215686274),
'brown2': (0.9333333333333333, 0.23137254901960785, 0.23137254901960785),
'brown3': (0.803921568627451, 0.2, 0.2),
'brown4': (0.5450980392156862, 0.13725490196078433, 0.13725490196078433),
'burlywood': (0.8705882352941177, 0.7215686274509804, 0.5294117647058824),
'burlywood1': (1.0, 0.8274509803921568, 0.6078431372549019),
'burlywood2': (0.9333333333333333, 0.7725490196078432, 0.5686274509803921),
'burlywood3': (0.803921568627451, 0.6666666666666666, 0.49019607843137253),
'burlywood4': (0.5450980392156862, 0.45098039215686275, 0.3333333333333333),
'cadetblue': (0.37254901960784315, 0.6196078431372549, 0.6274509803921569),
'cadetblue1': (0.596078431372549, 0.9607843137254902, 1.0),
'cadetblue2': (0.5568627450980392, 0.8980392156862745, 0.9333333333333333),
'cadetblue3': (0.47843137254901963, 0.7725490196078432, 0.803921568627451),
'cadetblue4': (0.3254901960784314, 0.5254901960784314, 0.5450980392156862),
'chartreuse': (0.4980392156862745, 1.0, 0.0),
'chartreuse1': (0.4980392156862745, 1.0, 0.0),
'chartreuse2': (0.4627450980392157, 0.9333333333333333, 0.0),
'chartreuse3': (0.4, 0.803921568627451, 0.0),
'chartreuse4': (0.27058823529411763, 0.5450980392156862, 0.0),
'chocolate': (0.8235294117647058, 0.4117647058823529, 0.11764705882352941),
'chocolate1': (1.0, 0.4980392156862745, 0.1411764705882353),
'chocolate2': (0.9333333333333333, 0.4627450980392157, 0.12941176470588237),
'chocolate3': (0.803921568627451, 0.4, 0.11372549019607843),
'chocolate4': (0.5450980392156862, 0.27058823529411763, 0.07450980392156863),
'coral': (1.0, 0.4980392156862745, 0.3137254901960784),
'coral1': (1.0, 0.4470588235294118, 0.33725490196078434),
'coral2': (0.9333333333333333, 0.41568627450980394, 0.3137254901960784),
'coral3': (0.803921568627451, 0.3568627450980392, 0.27058823529411763),
'coral4': (0.5450980392156862, 0.24313725490196078, 0.1843137254901961),
'cornflowerblue': (0.39215686274509803,
0.5843137254901961,
0.9294117647058824),
'cornsilk': (1.0, 0.9725490196078431, 0.8627450980392157),
'cornsilk1': (1.0, 0.9725490196078431, 0.8627450980392157),
'cornsilk2': (0.9333333333333333, 0.9098039215686274, 0.803921568627451),
'cornsilk3': (0.803921568627451, 0.7843137254901961, 0.6941176470588235),
'cornsilk4': (0.5450980392156862, 0.5333333333333333, 0.47058823529411764),
'cyan': (0.0, 1.0, 1.0),
'cyan1': (0.0, 1.0, 1.0),
'cyan2': (0.0, 0.9333333333333333, 0.9333333333333333),
'cyan3': (0.0, 0.803921568627451, 0.803921568627451),
'cyan4': (0.0, 0.5450980392156862, 0.5450980392156862),
'darkblue': (0.0, 0.0, 0.5450980392156862),
'darkcyan': (0.0, 0.5450980392156862, 0.5450980392156862),
'darkgoldenrod': (0.7215686274509804,
0.5254901960784314,
0.043137254901960784),
'darkgoldenrod1': (1.0, 0.7254901960784313, 0.058823529411764705),
'darkgoldenrod2': (0.9333333333333333,
0.6784313725490196,
0.054901960784313725),
'darkgoldenrod3': (0.803921568627451,
0.5843137254901961,
0.047058823529411764),
'darkgoldenrod4': (0.5450980392156862,
0.396078431372549,
0.03137254901960784),
'darkgray': (0.6627450980392157, 0.6627450980392157, 0.6627450980392157),
'darkgreen': (0.0, 0.39215686274509803, 0.0),
'darkgrey': (0.6627450980392157, 0.6627450980392157, 0.6627450980392157),
'darkkhaki': (0.7411764705882353, 0.7176470588235294, 0.4196078431372549),
'darkmagenta': (0.5450980392156862, 0.0, 0.5450980392156862),
'darkolivegreen': (0.3333333333333333,
0.4196078431372549,
0.1843137254901961),
'darkolivegreen1': (0.792156862745098, 1.0, 0.4392156862745098),
'darkolivegreen2': (0.7372549019607844,
0.9333333333333333,
0.40784313725490196),
'darkolivegreen3': (0.6352941176470588,
0.803921568627451,
0.35294117647058826),
'darkolivegreen4': (0.43137254901960786,
0.5450980392156862,
0.23921568627450981),
'darkorange': (1.0, 0.5490196078431373, 0.0),
'darkorange1': (1.0, 0.4980392156862745, 0.0),
'darkorange2': (0.9333333333333333, 0.4627450980392157, 0.0),
'darkorange3': (0.803921568627451, 0.4, 0.0),
'darkorange4': (0.5450980392156862, 0.27058823529411763, 0.0),
'darkorchid': (0.6, 0.19607843137254902, 0.8),
'darkorchid1': (0.7490196078431373, 0.24313725490196078, 1.0),
'darkorchid2': (0.6980392156862745, 0.22745098039215686, 0.9333333333333333),
'darkorchid3': (0.6039215686274509, 0.19607843137254902, 0.803921568627451),
'darkorchid4': (0.40784313725490196, 0.13333333333333333, 0.5450980392156862),
'darkred': (0.5450980392156862, 0.0, 0.0),
'darksalmon': (0.9137254901960784, 0.5882352941176471, 0.47843137254901963),
'darkseagreen': (0.5607843137254902, 0.7372549019607844, 0.5607843137254902),
'darkseagreen1': (0.7568627450980392, 1.0, 0.7568627450980392),
'darkseagreen2': (0.7058823529411765, 0.9333333333333333, 0.7058823529411765),
'darkseagreen3': (0.6078431372549019, 0.803921568627451, 0.6078431372549019),
'darkseagreen4': (0.4117647058823529, 0.5450980392156862, 0.4117647058823529),
'darkslateblue': (0.2823529411764706,
0.23921568627450981,
0.5450980392156862),
'darkslategray': (0.1843137254901961,
0.30980392156862746,
0.30980392156862746),
'darkslategray1': (0.592156862745098, 1.0, 1.0),
'darkslategray2': (0.5529411764705883,
0.9333333333333333,
0.9333333333333333),
'darkslategray3': (0.4745098039215686, 0.803921568627451, 0.803921568627451),
'darkslategray4': (0.3215686274509804,
0.5450980392156862,
0.5450980392156862),
'darkslategrey': (0.1843137254901961,
0.30980392156862746,
0.30980392156862746),
'darkturquoise': (0.0, 0.807843137254902, 0.8196078431372549),
'darkviolet': (0.5803921568627451, 0.0, 0.8274509803921568),
'debianred': (0.8431372549019608, 0.027450980392156862, 0.3176470588235294),
'deeppink': (1.0, 0.0784313725490196, 0.5764705882352941),
'deeppink1': (1.0, 0.0784313725490196, 0.5764705882352941),
'deeppink2': (0.9333333333333333, 0.07058823529411765, 0.5372549019607843),
'deeppink3': (0.803921568627451, 0.06274509803921569, 0.4627450980392157),
'deeppink4': (0.5450980392156862, 0.0392156862745098, 0.3137254901960784),
'deepskyblue': (0.0, 0.7490196078431373, 1.0),
'deepskyblue1': (0.0, 0.7490196078431373, 1.0),
'deepskyblue2': (0.0, 0.6980392156862745, 0.9333333333333333),
'deepskyblue3': (0.0, 0.6039215686274509, 0.803921568627451),
'deepskyblue4': (0.0, 0.40784313725490196, 0.5450980392156862),
'dimgray': (0.4117647058823529, 0.4117647058823529, 0.4117647058823529),
'dimgrey': (0.4117647058823529, 0.4117647058823529, 0.4117647058823529),
'dodgerblue': (0.11764705882352941, 0.5647058823529412, 1.0),
'dodgerblue1': (0.11764705882352941, 0.5647058823529412, 1.0),
'dodgerblue2': (0.10980392156862745, 0.5254901960784314, 0.9333333333333333),
'dodgerblue3': (0.09411764705882353, 0.4549019607843137, 0.803921568627451),
'dodgerblue4': (0.06274509803921569, 0.3058823529411765, 0.5450980392156862),
'firebrick': (0.6980392156862745, 0.13333333333333333, 0.13333333333333333),
'firebrick1': (1.0, 0.18823529411764706, 0.18823529411764706),
'firebrick2': (0.9333333333333333, 0.17254901960784313, 0.17254901960784313),
'firebrick3': (0.803921568627451, 0.14901960784313725, 0.14901960784313725),
'firebrick4': (0.5450980392156862, 0.10196078431372549, 0.10196078431372549),
'floralwhite': (1.0, 0.9803921568627451, 0.9411764705882353),
'forestgreen': (0.13333333333333333, 0.5450980392156862, 0.13333333333333333),
'gainsboro': (0.8627450980392157, 0.8627450980392157, 0.8627450980392157),
'ghostwhite': (0.9725490196078431, 0.9725490196078431, 1.0),
'gold': (1.0, 0.8431372549019608, 0.0),
'gold1': (1.0, 0.8431372549019608, 0.0),
'gold2': (0.9333333333333333, 0.788235294117647, 0.0),
'gold3': (0.803921568627451, 0.6784313725490196, 0.0),
'gold4': (0.5450980392156862, 0.4588235294117647, 0.0),
'goldenrod': (0.8549019607843137, 0.6470588235294118, 0.12549019607843137),
'goldenrod1': (1.0, 0.7568627450980392, 0.1450980392156863),
'goldenrod2': (0.9333333333333333, 0.7058823529411765, 0.13333333333333333),
'goldenrod3': (0.803921568627451, 0.6078431372549019, 0.11372549019607843),
'goldenrod4': (0.5450980392156862, 0.4117647058823529, 0.0784313725490196),
'gray': (0.7450980392156863, 0.7450980392156863, 0.7450980392156863),
'gray0': (0.0, 0.0, 0.0),
'gray1': (0.011764705882352941, 0.011764705882352941, 0.011764705882352941),
'gray10': (0.10196078431372549, 0.10196078431372549, 0.10196078431372549),
'gray100': (1.0, 1.0, 1.0),
'gray11': (0.10980392156862745, 0.10980392156862745, 0.10980392156862745),
'gray12': (0.12156862745098039, 0.12156862745098039, 0.12156862745098039),
'gray13': (0.12941176470588237, 0.12941176470588237, 0.12941176470588237),
'gray14': (0.1411764705882353, 0.1411764705882353, 0.1411764705882353),
'gray15': (0.14901960784313725, 0.14901960784313725, 0.14901960784313725),
'gray16': (0.1607843137254902, 0.1607843137254902, 0.1607843137254902),
'gray17': (0.16862745098039217, 0.16862745098039217, 0.16862745098039217),
'gray18': (0.1803921568627451, 0.1803921568627451, 0.1803921568627451),
'gray19': (0.18823529411764706, 0.18823529411764706, 0.18823529411764706),
'gray2': (0.0196078431372549, 0.0196078431372549, 0.0196078431372549),
'gray20': (0.2, 0.2, 0.2),
'gray21': (0.21176470588235294, 0.21176470588235294, 0.21176470588235294),
'gray22': (0.2196078431372549, 0.2196078431372549, 0.2196078431372549),
'gray23': (0.23137254901960785, 0.23137254901960785, 0.23137254901960785),
'gray24': (0.23921568627450981, 0.23921568627450981, 0.23921568627450981),
'gray25': (0.25098039215686274, 0.25098039215686274, 0.25098039215686274),
'gray26': (0.25882352941176473, 0.25882352941176473, 0.25882352941176473),
'gray27': (0.27058823529411763, 0.27058823529411763, 0.27058823529411763),
'gray28': (0.2784313725490196, 0.2784313725490196, 0.2784313725490196),
'gray29': (0.2901960784313726, 0.2901960784313726, 0.2901960784313726),
'gray3': (0.03137254901960784, 0.03137254901960784, 0.03137254901960784),
'gray30': (0.30196078431372547, 0.30196078431372547, 0.30196078431372547),
'gray31': (0.30980392156862746, 0.30980392156862746, 0.30980392156862746),
'gray32': (0.3215686274509804, 0.3215686274509804, 0.3215686274509804),
'gray33': (0.32941176470588235, 0.32941176470588235, 0.32941176470588235),
'gray34': (0.3411764705882353, 0.3411764705882353, 0.3411764705882353),
'gray35': (0.34901960784313724, 0.34901960784313724, 0.34901960784313724),
'gray36': (0.3607843137254902, 0.3607843137254902, 0.3607843137254902),
'gray37': (0.3686274509803922, 0.3686274509803922, 0.3686274509803922),
'gray38': (0.3803921568627451, 0.3803921568627451, 0.3803921568627451),
'gray39': (0.38823529411764707, 0.38823529411764707, 0.38823529411764707),
'gray4': (0.0392156862745098, 0.0392156862745098, 0.0392156862745098),
'gray40': (0.4, 0.4, 0.4),
'gray41': (0.4117647058823529, 0.4117647058823529, 0.4117647058823529),
'gray42': (0.4196078431372549, 0.4196078431372549, 0.4196078431372549),
'gray43': (0.43137254901960786, 0.43137254901960786, 0.43137254901960786),
'gray44': (0.4392156862745098, 0.4392156862745098, 0.4392156862745098),
'gray45': (0.45098039215686275, 0.45098039215686275, 0.45098039215686275),
'gray46': (0.4588235294117647, 0.4588235294117647, 0.4588235294117647),
'gray47': (0.47058823529411764, 0.47058823529411764, 0.47058823529411764),
'gray48': (0.47843137254901963, 0.47843137254901963, 0.47843137254901963),
'gray49': (0.49019607843137253, 0.49019607843137253, 0.49019607843137253),
'gray5': (0.050980392156862744, 0.050980392156862744, 0.050980392156862744),
'gray50': (0.4980392156862745, 0.4980392156862745, 0.4980392156862745),
'gray51': (0.5098039215686274, 0.5098039215686274, 0.5098039215686274),
'gray52': (0.5215686274509804, 0.5215686274509804, 0.5215686274509804),
'gray53': (0.5294117647058824, 0.5294117647058824, 0.5294117647058824),
'gray54': (0.5411764705882353, 0.5411764705882353, 0.5411764705882353),
'gray55': (0.5490196078431373, 0.5490196078431373, 0.5490196078431373),
'gray56': (0.5607843137254902, 0.5607843137254902, 0.5607843137254902),
'gray57': (0.5686274509803921, 0.5686274509803921, 0.5686274509803921),
'gray58': (0.5803921568627451, 0.5803921568627451, 0.5803921568627451),
'gray59': (0.5882352941176471, 0.5882352941176471, 0.5882352941176471),
'gray6': (0.058823529411764705, 0.058823529411764705, 0.058823529411764705),
'gray60': (0.6, 0.6, 0.6),
'gray61': (0.611764705882353, 0.611764705882353, 0.611764705882353),
'gray62': (0.6196078431372549, 0.6196078431372549, 0.6196078431372549),
'gray63': (0.6313725490196078, 0.6313725490196078, 0.6313725490196078),
'gray64': (0.6392156862745098, 0.6392156862745098, 0.6392156862745098),
'gray65': (0.6509803921568628, 0.6509803921568628, 0.6509803921568628),
'gray66': (0.6588235294117647, 0.6588235294117647, 0.6588235294117647),
'gray67': (0.6705882352941176, 0.6705882352941176, 0.6705882352941176),
'gray68': (0.6784313725490196, 0.6784313725490196, 0.6784313725490196),
'gray69': (0.6901960784313725, 0.6901960784313725, 0.6901960784313725),
'gray7': (0.07058823529411765, 0.07058823529411765, 0.07058823529411765),
'gray70': (0.7019607843137254, 0.7019607843137254, 0.7019607843137254),
'gray71': (0.7098039215686275, 0.7098039215686275, 0.7098039215686275),
'gray72': (0.7215686274509804, 0.7215686274509804, 0.7215686274509804),
'gray73': (0.7294117647058823, 0.7294117647058823, 0.7294117647058823),
'gray74': (0.7411764705882353, 0.7411764705882353, 0.7411764705882353),
'gray75': (0.7490196078431373, 0.7490196078431373, 0.7490196078431373),
'gray76': (0.7607843137254902, 0.7607843137254902, 0.7607843137254902),
'gray77': (0.7686274509803922, 0.7686274509803922, 0.7686274509803922),
'gray78': (0.7803921568627451, 0.7803921568627451, 0.7803921568627451),
'gray79': (0.788235294117647, 0.788235294117647, 0.788235294117647),
'gray8': (0.0784313725490196, 0.0784313725490196, 0.0784313725490196),
'gray80': (0.8, 0.8, 0.8),
'gray81': (0.8117647058823529, 0.8117647058823529, 0.8117647058823529),
'gray82': (0.8196078431372549, 0.8196078431372549, 0.8196078431372549),
'gray83': (0.8313725490196079, 0.8313725490196079, 0.8313725490196079),
'gray84': (0.8392156862745098, 0.8392156862745098, 0.8392156862745098),
'gray85': (0.8509803921568627, 0.8509803921568627, 0.8509803921568627),
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0.44313725490196076),
'mediumslateblue': (0.4823529411764706,
0.40784313725490196,
0.9333333333333333),
'mediumspringgreen': (0.0, 0.9803921568627451, 0.6039215686274509),
'mediumturquoise': (0.2823529411764706, 0.8196078431372549, 0.8),
'mediumvioletred': (0.7803921568627451,
0.08235294117647059,
0.5215686274509804),
'midnightblue': (0.09803921568627451,
0.09803921568627451,
0.4392156862745098),
'mintcream': (0.9607843137254902, 1.0, 0.9803921568627451),
'mistyrose': (1.0, 0.8941176470588236, 0.8823529411764706),
'mistyrose1': (1.0, 0.8941176470588236, 0.8823529411764706),
'mistyrose2': (0.9333333333333333, 0.8352941176470589, 0.8235294117647058),
'mistyrose3': (0.803921568627451, 0.7176470588235294, 0.7098039215686275),
'mistyrose4': (0.5450980392156862, 0.49019607843137253, 0.4823529411764706),
'moccasin': (1.0, 0.8941176470588236, 0.7098039215686275),
'navajowhite': (1.0, 0.8705882352941177, 0.6784313725490196),
'navajowhite1': (1.0, 0.8705882352941177, 0.6784313725490196),
'navajowhite2': (0.9333333333333333, 0.8117647058823529, 0.6313725490196078),
'navajowhite3': (0.803921568627451, 0.7019607843137254, 0.5450980392156862),
'navajowhite4': (0.5450980392156862, 0.4745098039215686, 0.3686274509803922),
'navy': (0.0, 0.0, 0.5019607843137255),
'navyblue': (0.0, 0.0, 0.5019607843137255),
'oldlace': (0.9921568627450981, 0.9607843137254902, 0.9019607843137255),
'olivedrab': (0.4196078431372549, 0.5568627450980392, 0.13725490196078433),
'olivedrab1': (0.7529411764705882, 1.0, 0.24313725490196078),
'olivedrab2': (0.7019607843137254, 0.9333333333333333, 0.22745098039215686),
'olivedrab3': (0.6039215686274509, 0.803921568627451, 0.19607843137254902),
'olivedrab4': (0.4117647058823529, 0.5450980392156862, 0.13333333333333333),
'orange': (1.0, 0.6470588235294118, 0.0),
'orange1': (1.0, 0.6470588235294118, 0.0),
'orange2': (0.9333333333333333, 0.6039215686274509, 0.0),
'orange3': (0.803921568627451, 0.5215686274509804, 0.0),
'orange4': (0.5450980392156862, 0.35294117647058826, 0.0),
'orangered': (1.0, 0.27058823529411763, 0.0),
'orangered1': (1.0, 0.27058823529411763, 0.0),
'orangered2': (0.9333333333333333, 0.25098039215686274, 0.0),
'orangered3': (0.803921568627451, 0.21568627450980393, 0.0),
'orangered4': (0.5450980392156862, 0.1450980392156863, 0.0),
'orchid': (0.8549019607843137, 0.4392156862745098, 0.8392156862745098),
'orchid1': (1.0, 0.5137254901960784, 0.9803921568627451),
'orchid2': (0.9333333333333333, 0.47843137254901963, 0.9137254901960784),
'orchid3': (0.803921568627451, 0.4117647058823529, 0.788235294117647),
'orchid4': (0.5450980392156862, 0.2784313725490196, 0.5372549019607843),
'palegoldenrod': (0.9333333333333333, 0.9098039215686274, 0.6666666666666666),
'palegreen': (0.596078431372549, 0.984313725490196, 0.596078431372549),
'palegreen1': (0.6039215686274509, 1.0, 0.6039215686274509),
'palegreen2': (0.5647058823529412, 0.9333333333333333, 0.5647058823529412),
'palegreen3': (0.48627450980392156, 0.803921568627451, 0.48627450980392156),
'palegreen4': (0.32941176470588235, 0.5450980392156862, 0.32941176470588235),
'paleturquoise': (0.6862745098039216, 0.9333333333333333, 0.9333333333333333),
'paleturquoise1': (0.7333333333333333, 1.0, 1.0),
'paleturquoise2': (0.6823529411764706,
0.9333333333333333,
0.9333333333333333),
'paleturquoise3': (0.5882352941176471, 0.803921568627451, 0.803921568627451),
'paleturquoise4': (0.4, 0.5450980392156862, 0.5450980392156862),
'palevioletred': (0.8588235294117647, 0.4392156862745098, 0.5764705882352941),
'palevioletred1': (1.0, 0.5098039215686274, 0.6705882352941176),
'palevioletred2': (0.9333333333333333,
0.4745098039215686,
0.6235294117647059),
'palevioletred3': (0.803921568627451,
0.40784313725490196,
0.5372549019607843),
'palevioletred4': (0.5450980392156862,
0.2784313725490196,
0.36470588235294116),
'papayawhip': (1.0, 0.9372549019607843, 0.8352941176470589),
'peachpuff': (1.0, 0.8549019607843137, 0.7254901960784313),
'peachpuff1': (1.0, 0.8549019607843137, 0.7254901960784313),
'peachpuff2': (0.9333333333333333, 0.796078431372549, 0.6784313725490196),
'peachpuff3': (0.803921568627451, 0.6862745098039216, 0.5843137254901961),
'peachpuff4': (0.5450980392156862, 0.4666666666666667, 0.396078431372549),
'peru': (0.803921568627451, 0.5215686274509804, 0.24705882352941178),
'pink': (1.0, 0.7529411764705882, 0.796078431372549),
'pink1': (1.0, 0.7098039215686275, 0.7725490196078432),
'pink2': (0.9333333333333333, 0.6627450980392157, 0.7215686274509804),
'pink3': (0.803921568627451, 0.5686274509803921, 0.6196078431372549),
'pink4': (0.5450980392156862, 0.38823529411764707, 0.4235294117647059),
'plum': (0.8666666666666667, 0.6274509803921569, 0.8666666666666667),
'plum1': (1.0, 0.7333333333333333, 1.0),
'plum2': (0.9333333333333333, 0.6823529411764706, 0.9333333333333333),
'plum3': (0.803921568627451, 0.5882352941176471, 0.803921568627451),
'plum4': (0.5450980392156862, 0.4, 0.5450980392156862),
'powderblue': (0.6901960784313725, 0.8784313725490196, 0.9019607843137255),
'purple': (0.6274509803921569, 0.12549019607843137, 0.9411764705882353),
'purple1': (0.6078431372549019, 0.18823529411764706, 1.0),
'purple2': (0.5686274509803921, 0.17254901960784313, 0.9333333333333333),
'purple3': (0.49019607843137253, 0.14901960784313725, 0.803921568627451),
'purple4': (0.3333333333333333, 0.10196078431372549, 0.5450980392156862),
'red': (1.0, 0.0, 0.0),
'red1': (1.0, 0.0, 0.0),
'red2': (0.9333333333333333, 0.0, 0.0),
'red3': (0.803921568627451, 0.0, 0.0),
'red4': (0.5450980392156862, 0.0, 0.0),
'rosybrown': (0.7372549019607844, 0.5607843137254902, 0.5607843137254902),
'rosybrown1': (1.0, 0.7568627450980392, 0.7568627450980392),
'rosybrown2': (0.9333333333333333, 0.7058823529411765, 0.7058823529411765),
'rosybrown3': (0.803921568627451, 0.6078431372549019, 0.6078431372549019),
'rosybrown4': (0.5450980392156862, 0.4117647058823529, 0.4117647058823529),
'royalblue': (0.2549019607843137, 0.4117647058823529, 0.8823529411764706),
'royalblue1': (0.2823529411764706, 0.4627450980392157, 1.0),
'royalblue2': (0.2627450980392157, 0.43137254901960786, 0.9333333333333333),
'royalblue3': (0.22745098039215686, 0.37254901960784315, 0.803921568627451),
'royalblue4': (0.15294117647058825, 0.25098039215686274, 0.5450980392156862),
'saddlebrown': (0.5450980392156862, 0.27058823529411763, 0.07450980392156863),
'salmon': (0.9803921568627451, 0.5019607843137255, 0.4470588235294118),
'salmon1': (1.0, 0.5490196078431373, 0.4117647058823529),
'salmon2': (0.9333333333333333, 0.5098039215686274, 0.3843137254901961),
'salmon3': (0.803921568627451, 0.4392156862745098, 0.32941176470588235),
'salmon4': (0.5450980392156862, 0.2980392156862745, 0.2235294117647059),
'sandybrown': (0.9568627450980393, 0.6431372549019608, 0.3764705882352941),
'seagreen': (0.1803921568627451, 0.5450980392156862, 0.3411764705882353),
'seagreen1': (0.32941176470588235, 1.0, 0.6235294117647059),
'seagreen2': (0.3058823529411765, 0.9333333333333333, 0.5803921568627451),
'seagreen3': (0.2627450980392157, 0.803921568627451, 0.5019607843137255),
'seagreen4': (0.1803921568627451, 0.5450980392156862, 0.3411764705882353),
'seashell': (1.0, 0.9607843137254902, 0.9333333333333333),
'seashell1': (1.0, 0.9607843137254902, 0.9333333333333333),
'seashell2': (0.9333333333333333, 0.8980392156862745, 0.8705882352941177),
'seashell3': (0.803921568627451, 0.7725490196078432, 0.7490196078431373),
'seashell4': (0.5450980392156862, 0.5254901960784314, 0.5098039215686274),
'sienna': (0.6274509803921569, 0.3215686274509804, 0.17647058823529413),
'sienna1': (1.0, 0.5098039215686274, 0.2784313725490196),
'sienna2': (0.9333333333333333, 0.4745098039215686, 0.25882352941176473),
'sienna3': (0.803921568627451, 0.40784313725490196, 0.2235294117647059),
'sienna4': (0.5450980392156862, 0.2784313725490196, 0.14901960784313725),
'skyblue': (0.5294117647058824, 0.807843137254902, 0.9215686274509803),
'skyblue1': (0.5294117647058824, 0.807843137254902, 1.0),
'skyblue2': (0.49411764705882355, 0.7529411764705882, 0.9333333333333333),
'skyblue3': (0.4235294117647059, 0.6509803921568628, 0.803921568627451),
'skyblue4': (0.2901960784313726, 0.4392156862745098, 0.5450980392156862),
'slateblue': (0.41568627450980394, 0.35294117647058826, 0.803921568627451),
'slateblue1': (0.5137254901960784, 0.43529411764705883, 1.0),
'slateblue2': (0.47843137254901963, 0.403921568627451, 0.9333333333333333),
'slateblue3': (0.4117647058823529, 0.34901960784313724, 0.803921568627451),
'slateblue4': (0.2784313725490196, 0.23529411764705882, 0.5450980392156862),
'slategray': (0.4392156862745098, 0.5019607843137255, 0.5647058823529412),
'slategray1': (0.7764705882352941, 0.8862745098039215, 1.0),
'slategray2': (0.7254901960784313, 0.8274509803921568, 0.9333333333333333),
'slategray3': (0.6235294117647059, 0.7137254901960784, 0.803921568627451),
'slategray4': (0.4235294117647059, 0.4823529411764706, 0.5450980392156862),
'slategrey': (0.4392156862745098, 0.5019607843137255, 0.5647058823529412),
'snow': (1.0, 0.9803921568627451, 0.9803921568627451),
'snow1': (1.0, 0.9803921568627451, 0.9803921568627451),
'snow2': (0.9333333333333333, 0.9137254901960784, 0.9137254901960784),
'snow3': (0.803921568627451, 0.788235294117647, 0.788235294117647),
'snow4': (0.5450980392156862, 0.5372549019607843, 0.5372549019607843),
'springgreen': (0.0, 1.0, 0.4980392156862745),
'springgreen1': (0.0, 1.0, 0.4980392156862745),
'springgreen2': (0.0, 0.9333333333333333, 0.4627450980392157),
'springgreen3': (0.0, 0.803921568627451, 0.4),
'springgreen4': (0.0, 0.5450980392156862, 0.27058823529411763),
'steelblue': (0.27450980392156865, 0.5098039215686274, 0.7058823529411765),
'steelblue1': (0.38823529411764707, 0.7215686274509804, 1.0),
'steelblue2': (0.3607843137254902, 0.6745098039215687, 0.9333333333333333),
'steelblue3': (0.30980392156862746, 0.5803921568627451, 0.803921568627451),
'steelblue4': (0.21176470588235294, 0.39215686274509803, 0.5450980392156862),
'tan': (0.8235294117647058, 0.7058823529411765, 0.5490196078431373),
'tan1': (1.0, 0.6470588235294118, 0.30980392156862746),
'tan2': (0.9333333333333333, 0.6039215686274509, 0.28627450980392155),
'tan3': (0.803921568627451, 0.5215686274509804, 0.24705882352941178),
'tan4': (0.5450980392156862, 0.35294117647058826, 0.16862745098039217),
'thistle': (0.8470588235294118, 0.7490196078431373, 0.8470588235294118),
'thistle1': (1.0, 0.8823529411764706, 1.0),
'thistle2': (0.9333333333333333, 0.8235294117647058, 0.9333333333333333),
'thistle3': (0.803921568627451, 0.7098039215686275, 0.803921568627451),
'thistle4': (0.5450980392156862, 0.4823529411764706, 0.5450980392156862),
'tomato': (1.0, 0.38823529411764707, 0.2784313725490196),
'tomato1': (1.0, 0.38823529411764707, 0.2784313725490196),
'tomato2': (0.9333333333333333, 0.3607843137254902, 0.25882352941176473),
'tomato3': (0.803921568627451, 0.30980392156862746, 0.2235294117647059),
'tomato4': (0.5450980392156862, 0.21176470588235294, 0.14901960784313725),
'turquoise': (0.25098039215686274, 0.8784313725490196, 0.8156862745098039),
'turquoise1': (0.0, 0.9607843137254902, 1.0),
'turquoise2': (0.0, 0.8980392156862745, 0.9333333333333333),
'turquoise3': (0.0, 0.7725490196078432, 0.803921568627451),
'turquoise4': (0.0, 0.5254901960784314, 0.5450980392156862),
'violet': (0.9333333333333333, 0.5098039215686274, 0.9333333333333333),
'violetred': (0.8156862745098039, 0.12549019607843137, 0.5647058823529412),
'violetred1': (1.0, 0.24313725490196078, 0.5882352941176471),
'violetred2': (0.9333333333333333, 0.22745098039215686, 0.5490196078431373),
'violetred3': (0.803921568627451, 0.19607843137254902, 0.47058823529411764),
'violetred4': (0.5450980392156862, 0.13333333333333333, 0.3215686274509804),
'wheat': (0.9607843137254902, 0.8705882352941177, 0.7019607843137254),
'wheat1': (1.0, 0.9058823529411765, 0.7294117647058823),
'wheat2': (0.9333333333333333, 0.8470588235294118, 0.6823529411764706),
'wheat3': (0.803921568627451, 0.7294117647058823, 0.5882352941176471),
'wheat4': (0.5450980392156862, 0.49411764705882355, 0.4),
'white': (1.0, 1.0, 1.0),
'whitesmoke': (0.9607843137254902, 0.9607843137254902, 0.9607843137254902),
'yellow': (1.0, 1.0, 0.0),
'yellow1': (1.0, 1.0, 0.0),
'yellow2': (0.9333333333333333, 0.9333333333333333, 0.0),
'yellow3': (0.803921568627451, 0.803921568627451, 0.0),
'yellow4': (0.5450980392156862, 0.5450980392156862, 0.0),
'yellowgreen': (0.6039215686274509, 0.803921568627451, 0.19607843137254902),
}
color_list = []
[docs]def recalc_color_list():
"""Recalculate ``ginga.colors.color_list``."""
global color_list
color_list = list(color_dict.keys())
color_list.sort()
[docs]def lookup_color(name, format='tuple'):
"""Find RGB or hex values for a supported color.
name : str
Color name (e.g., ``'red'``) or hash (e.g., ``'#ff0000'``).
Color name is case-sensitive.
format : {'tuple', 'hash'}
Desired output to be an RGB tuple or hash.
Returns
-------
color : tuple or str
Color value as specified by ``format``.
Raises
------
KeyError
Color name is not supported.
ValueError
Invalid format.
"""
supported_formats = ('tuple', 'hash')
if format not in supported_formats:
raise ValueError(f'format needs to be one of {supported_formats}')
if name.startswith('#'): # hex notation
if format == 'hash':
return name # no-op
name = name[1:] # Strip leading #
rgb = (int(name[:2], 16) / 255.0,
int(name[2:4], 16) / 255.0,
int(name[4:6], 16) / 255.0)
return rgb
# must be a name
elif name not in color_dict:
raise KeyError(f'{name} does not exist in color_dict')
rgb = color_dict[name]
if format == 'tuple':
return rgb
return f'#{int(rgb[0] * 255):02x}{int(rgb[1] * 255):02x}{int(rgb[2] * 255):02x}'
[docs]def resolve_color(color):
"""Return RGB tuple of a given color."""
if isinstance(color, str):
r, g, b = lookup_color(color)
elif isinstance(color, collections.abc.Sequence):
r, g, b = color[:3]
_validate_color_tuple((r, g, b))
else:
raise ValueError("color parameter must be a str or sequence")
return (r, g, b)
def _validate_color_tuple(tup):
if isinstance(tup, str) or not isinstance(tup, collections.abc.Sequence):
raise TypeError("the color element must be a tuple or list")
if len(tup) != 3:
raise ValueError("length of color tuple must be 3 specifying RBG values")
for rbg_value in tup:
if rbg_value < 0.0 or rbg_value > 1.0:
raise ValueError("RBG value can only be a number between 0 and 1")
[docs]def add_color(name, tup):
"""Add ``(color, RGB`` to ``ginga.colors.color_list``."""
_validate_color_tuple(tup)
global color_dict
color_dict[name] = tuple(tup)
recalc_color_list()
# TODO: Should this throw KeyError if key not present or silently pass?
[docs]def remove_color(name):
"""Remove a given color from ``ginga.colors.color_list``."""
global color_dict
try:
del color_dict[name]
except KeyError:
raise KeyError("%s color does not exist in color_dict" % name)
recalc_color_list()
[docs]def get_colors():
"""Return ``ginga.colors.color_list``."""
return color_list
[docs]def scan_rgbtxt(filepath):
"""Parse colors from a given filename."""
with open(filepath, 'r') as in_f:
buf = in_f.read()
return scan_rgbtxt_buf(buf)
[docs]def scan_rgbtxt_buf(buf):
"""Parse colors from a given string buffer."""
res = {}
for line in buf.split('\n'):
match = re.match(r"^\s*(\d+)\s+(\d+)\s+(\d+)\s+([\w_]+)\s*$", line)
if match:
r, g, b, name = match.groups()
r = float(r) / 255.0
g = float(g) / 255.0
b = float(b) / 255.0
name = name.lower()
res[name] = (r, g, b)
return res
# create initial color list
recalc_color_list()
if __name__ == "__main__":
import sys
import pprint
res = scan_rgbtxt(sys.argv[1])
pprint.pprint(res)
# END