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colors.py
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colors.py
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"""
Copyright (C) <2010> Autin L. TSRI
This file git_upy/colors.py is part of upy.
upy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
upy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with upy. If not, see <http://www.gnu.org/licenses/gpl-3.0.html>.
"""
## from matplotlib.colors import cnames, hex2color
## for name, hex in cnames.items():
## r,g,b = hex2color(hex)
## print "%-25s = (%5.3f,%5.3f, %5.3f)"%(name, r, g, b)
## names = cnames.keys()
## names.sort()
## print 'cnames = ', names
cnames = [
'aliceblue', 'antiquewhite', 'aqua', 'aquamarine', 'azure',
'beige', 'bisque', 'black', 'blanchedalmond', 'blue',
'blueviolet', 'brown', 'burlywood', 'cadetblue', 'chartreuse',
'chocolate', 'coral', 'cornflowerblue', 'cornsilk', 'crimson',
'cyan', 'darkblue', 'darkcyan', 'darkgoldenrod', 'darkgray',
'darkgreen', 'darkgrey', 'darkkhaki', 'darkmagenta', 'darkolivegreen',
'darkorange', 'darkorchid', 'darkred', 'darksalmon', 'darkseagreen',
'darkslateblue', 'darkslategray', 'darkslategrey', 'darkturquoise',
'darkviolet', 'deeppink', 'deepskyblue', 'dimgray', 'dimgrey',
'dodgerblue', 'firebrick', 'floralwhite', 'forestgreen', 'fuchsia',
'gainsboro', 'ghostwhite', 'gold', 'goldenrod', 'gray',
'green', 'greenyellow', 'grey', 'honeydew', 'hotpink',
'indianred', 'indigo', 'ivory', 'khaki', 'lavender',
'lavenderblush', 'lawngreen', 'lemonchiffon', 'lightblue', 'lightcoral',
'lightcyan', 'lightgoldenrodyellow', 'lightgreen', 'lightgrey', 'lightpink',
'lightsalmon', 'lightseagreen', 'lightskyblue', 'lightslategray', 'lightslategrey',
'lightsteelblue', 'lightyellow', 'lime', 'limegreen', 'linen',
'magenta', 'maroon', 'mediumaquamarine', 'mediumblue', 'mediumorchid',
'mediumpurple', 'mediumseagreen', 'mediumslateblue', 'mediumspringgreen', 'mediumturquoise',
'mediumvioletred', 'midnightblue', 'mintcream', 'mistyrose', 'moccasin',
'navajowhite', 'navy', 'oldlace', 'olive', 'olivedrab',
'orange', 'orangered', 'orchid', 'palegoldenrod', 'palegreen',
'palevioletred', 'papayawhip', 'peachpuff', 'peru', 'pink',
'plum', 'powderblue', 'purple', 'red', 'rosybrown',
'royalblue', 'saddlebrown', 'salmon', 'sandybrown', 'seagreen',
'seashell', 'sienna', 'silver', 'skyblue', 'slateblue',
'slategray', 'slategrey', 'snow', 'springgreen', 'steelblue',
'tan', 'teal', 'thistle', 'tomato', 'turquoise',
'violet', 'wheat', 'white', 'whitesmoke', 'yellow', 'yellowgreen']
indigo = (0.294,0.000, 0.510)
gold = (1.000,0.843, 0.000)
firebrick = (0.698,0.133, 0.133)
indianred = (0.804,0.361, 0.361)
yellow = (1.000,1.000, 0.000)
darkolivegreen = (0.333,0.420, 0.184)
darkseagreen = (0.561,0.737, 0.561)
slategrey = (0.439,0.502, 0.565)
darkslategrey = (0.184,0.310, 0.310)
mediumvioletred = (0.780,0.082, 0.522)
mediumorchid = (0.729,0.333, 0.827)
chartreuse = (0.498,1.000, 0.000)
mediumslateblue = (0.482,0.408, 0.933)
black = (0.000,0.000, 0.000)
springgreen = (0.000,1.000, 0.498)
crimson = (0.863,0.078, 0.235)
lightsalmon = (1.000,0.627, 0.478)
brown = (0.647,0.165, 0.165)
turquoise = (0.251,0.878, 0.816)
olivedrab = (0.420,0.557, 0.137)
cyan = (0.000,1.000, 1.000)
silver = (0.753,0.753, 0.753)
skyblue = (0.529,0.808, 0.922)
gray = (0.502,0.502, 0.502)
darkturquoise = (0.000,0.808, 0.820)
goldenrod = (0.855,0.647, 0.125)
darkgreen = (0.000,0.392, 0.000)
darkviolet = (0.580,0.000, 0.827)
darkgray = (0.663,0.663, 0.663)
lightpink = (1.000,0.714, 0.757)
teal = (0.000,0.502, 0.502)
darkmagenta = (0.545,0.000, 0.545)
lightgoldenrodyellow = (0.980,0.980, 0.824)
lavender = (0.902,0.902, 0.980)
yellowgreen = (0.604,0.804, 0.196)
thistle = (0.847,0.749, 0.847)
violet = (0.933,0.510, 0.933)
navy = (0.000,0.000, 0.502)
dimgrey = (0.412,0.412, 0.412)
orchid = (0.855,0.439, 0.839)
blue = (0.000,0.000, 1.000)
ghostwhite = (0.973,0.973, 1.000)
honeydew = (0.941,1.000, 0.941)
cornflowerblue = (0.392,0.584, 0.929)
darkblue = (0.000,0.000, 0.545)
darkkhaki = (0.741,0.718, 0.420)
mediumpurple = (0.576,0.439, 0.859)
cornsilk = (1.000,0.973, 0.863)
red = (1.000,0.000, 0.000)
bisque = (1.000,0.894, 0.769)
slategray = (0.439,0.502, 0.565)
darkcyan = (0.000,0.545, 0.545)
khaki = (0.941,0.902, 0.549)
wheat = (0.961,0.871, 0.702)
deepskyblue = (0.000,0.749, 1.000)
darkred = (0.545,0.000, 0.000)
steelblue = (0.275,0.510, 0.706)
aliceblue = (0.941,0.973, 1.000)
lightslategrey = (0.467,0.533, 0.600)
gainsboro = (0.863,0.863, 0.863)
mediumturquoise = (0.282,0.820, 0.800)
floralwhite = (1.000,0.980, 0.941)
coral = (1.000,0.498, 0.314)
purple = (0.502,0.000, 0.502)
lightgrey = (0.827,0.827, 0.827)
lightcyan = (0.878,1.000, 1.000)
darksalmon = (0.914,0.588, 0.478)
beige = (0.961,0.961, 0.863)
azure = (0.941,1.000, 1.000)
lightsteelblue = (0.690,0.769, 0.871)
oldlace = (0.992,0.961, 0.902)
greenyellow = (0.678,1.000, 0.184)
royalblue = (0.255,0.412, 0.882)
lightseagreen = (0.125,0.698, 0.667)
mistyrose = (1.000,0.894, 0.882)
sienna = (0.627,0.322, 0.176)
lightcoral = (0.941,0.502, 0.502)
orangered = (1.000,0.271, 0.000)
navajowhite = (1.000,0.871, 0.678)
lime = (0.000,1.000, 0.000)
palegreen = (0.596,0.984, 0.596)
burlywood = (0.871,0.722, 0.529)
seashell = (1.000,0.961, 0.933)
mediumspringgreen = (0.000,0.980, 0.604)
fuchsia = (1.000,0.000, 1.000)
papayawhip = (1.000,0.937, 0.835)
blanchedalmond = (1.000,0.922, 0.804)
peru = (0.804,0.522, 0.247)
aquamarine = (0.498,1.000, 0.831)
white = (1.000,1.000, 1.000)
darkslategray = (0.184,0.310, 0.310)
ivory = (1.000,1.000, 0.941)
dodgerblue = (0.118,0.565, 1.000)
lemonchiffon = (1.000,0.980, 0.804)
chocolate = (0.824,0.412, 0.118)
orange = (1.000,0.647, 0.000)
forestgreen = (0.133,0.545, 0.133)
slateblue = (0.416,0.353, 0.804)
olive = (0.502,0.502, 0.000)
mintcream = (0.961,1.000, 0.980)
antiquewhite = (0.980,0.922, 0.843)
darkorange = (1.000,0.549, 0.000)
cadetblue = (0.373,0.620, 0.627)
moccasin = (1.000,0.894, 0.710)
limegreen = (0.196,0.804, 0.196)
saddlebrown = (0.545,0.271, 0.075)
grey = (0.502,0.502, 0.502)
darkslateblue = (0.282,0.239, 0.545)
lightskyblue = (0.529,0.808, 0.980)
deeppink = (1.000,0.078, 0.576)
plum = (0.867,0.627, 0.867)
aqua = (0.000,1.000, 1.000)
darkgoldenrod = (0.722,0.525, 0.043)
maroon = (0.502,0.000, 0.000)
sandybrown = (0.980,0.643, 0.376)
magenta = (1.000,0.000, 1.000)
tan = (0.824,0.706, 0.549)
rosybrown = (0.737,0.561, 0.561)
pink = (1.000,0.753, 0.796)
lightblue = (0.678,0.847, 0.902)
palevioletred = (0.686,0.933, 0.933)
mediumseagreen = (0.235,0.702, 0.443)
dimgray = (0.412,0.412, 0.412)
powderblue = (0.690,0.878, 0.902)
seagreen = (0.180,0.545, 0.341)
snow = (1.000,0.980, 0.980)
mediumblue = (0.000,0.000, 0.804)
midnightblue = (0.098,0.098, 0.439)
palegoldenrod = (0.933,0.910, 0.667)
whitesmoke = (0.961,0.961, 0.961)
darkorchid = (0.600,0.196, 0.800)
salmon = (0.980,0.502, 0.447)
lightslategray = (0.467,0.533, 0.600)
lawngreen = (0.486,0.988, 0.000)
lightgreen = (0.565,0.933, 0.565)
tomato = (1.000,0.388, 0.278)
hotpink = (1.000,0.412, 0.706)
lightyellow = (1.000,1.000, 0.878)
lavenderblush = (1.000,0.941, 0.961)
linen = (0.980,0.941, 0.902)
mediumaquamarine = (0.400,0.804, 0.667)
green = (0.000,0.502, 0.000)
blueviolet = (0.541,0.169, 0.886)
peachpuff = (1.000,0.855, 0.725)
darkgrey = (0.663,0.663, 0.663)
try :
import numpy
except :
print("require numpy")
def RedWhiteBlueRamp(size=256):
ramp = numpy.ones( (size, 3), 'f')
mid = int(size/2)
incr = 1./(mid-1)
for i in range(mid):
ramp[i][1] = i*incr
ramp[i][2] = i*incr
for i in range(mid):
ramp[mid+i][0] = 1.-(i*incr)
ramp[mid+i][1] = 1.-(i*incr)
return ramp
def getRamp(colors,size=256):
if len(colors) == 2 :
ramp = TwoColorRamp(col1=colors[0],col2=colors[1],size=size)
elif len(colors) == 3 :
ramp = ThreeColorRamp(col1=colors[0],col2=colors[1],col3=colors[2],size=size)
else :
ramp = None
return ramp
def TwoColorRamp(col1=red,col2=white,size=256,alpha = False):
n = 3
if alpha :
n = 4
col1=numpy.array(col1)
col2=numpy.array(col2)
ramp = numpy.ones( (size, n), 'd')
#interpolate from col1 to col2 along size
for i in range(int(size)):
ramp[i] = col1 + float(i)/float(size-1) * (col2-col1)
#ramp = ramp/float(size-1)
return ramp.astype('f')
def ThreeColorRamp(col1=blue,col2=white,col3=red,size=256,alpha = False):
n = 3
if alpha :
n = 4
col1=numpy.array(col1)
col2=numpy.array(col2)
col3=numpy.array(col3)
ramp = numpy.ones( (size, n), 'd')
mid = int(size/2)
incr = 1./(mid-1)
#interpolate from col1 to col2, then col2 to col3 along size
for i in range(int(mid)):
ramp[i] = col1 + float(i)/float(mid-1) * (col2-col1)
for i in range(int(mid)):
ramp[mid+i] = col2 + float(i)/float(mid-1) * (col3-col2)
return ramp.astype('f')
#
def hexToRgb(c):
split = (c[0:2], c[2:4], c[4:6])
return [int(x, 16) for x in split]