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Diffstat (limited to 'mun.py')
| -rw-r--r-- | mun.py | 178 |
1 files changed, 178 insertions, 0 deletions
@@ -0,0 +1,178 @@ +#!/usr/bin/env python +#Copyright (c) 2012 Walter Bender + +# This program 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. +# +# You should have received a copy of the GNU General Public License +# along with this library; if not, write to the Free Software +# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA + +# Albert Munsell-inspired class library +# Chromas at values 2-9 by hue + +MUN = [ + [ # Neutral + [52, 52, 52], [73, 73, 73], [97, 97, 97], [122, 122, 122], + [147, 147, 147], [173, 173, 173], [200, 200, 200], [228, 228, 228]], + [ # Chroma low + # 5R + [[66, 44, 49], [90, 69, 66], [115, 93, 90], [140, 117, 115], + [165, 142, 140], [189, 170, 165], [214, 199, 198], [247, 227, 222]], + # 5YR + [[66, 48, 41], [90, 69, 57], [115, 93, 82], [140, 117, 107], + [165, 142, 132], [189, 170, 156], [222, 199, 181], [247, 227, 214]], + # 5Y + [[57, 52, 33], [82, 73, 49], [107, 97, 74], [132, 121, 99], + [156, 146, 123], [181, 174, 148], [214, 203, 173], [239, 231, 198]], + # 5GY + [[49, 52, 41], [66, 77, 57], [90, 97, 74], [115, 125, 99], + [140, 150, 123], [173, 178, 148], [198, 207, 173], [231, 235, 198]], + # 5G + [[41, 52, 49], [57, 77, 66], [82, 101, 90], [107, 125, 115], + [132, 154, 140], [156, 182, 165], [181, 207, 189], [206, 239, 222]], + # 5BG + [[33, 52, 49], [57, 77, 74], [74, 101, 99], [99, 125, 123], + [123, 154, 148], [148, 178, 173], [181, 207, 206], [206, 235, 231]], + # 5B + [[41, 52, 57], [57, 77, 82], [82, 101, 107], [107, 125, 132], + [132, 150, 156], [156, 178, 181], [181, 207, 214], [214, 235, 239]], + # 5PB + [[41, 52, 66], [66, 73, 90], [90, 97, 107], [115, 121, 132], + [140, 150, 156], [165, 174, 189], [198, 203, 214], [222, 231, 239]], + # 5P + [[57, 48, 57], [82, 69, 82], [99, 93, 107], [123, 117, 132], + [156, 146, 156], [181, 170, 181], [206, 199, 214], [231, 227, 239]], + # 5RP + [[66, 44, 57], [90, 69, 74], [107, 93, 99], [132, 117, 123], + [165, 142, 148], [189, 170, 173], [214, 199, 206], [239, 227, 231]]], + [# Chroma moderate + # 5R + [[82, 32, 41], [115, 52, 57], [140, 81, 74], [173, 105, 99], + [198, 130, 123], [222, 158, 156], [239, 190, 189], [-1, -1, -1]], + # 5YR + [[82, 40, 8], [107, 60, 24], [132, 85, 49], [165, 109, 66], + [189, 137, 90], [222, 162, 115], [247, 190, 140], [-1, -1, -1]], + # 5Y + [[57, 48, 8], [82, 73, 33], [115, 93, 24], [140, 121, 41], + [165, 146, 66], [198, 174, 90], [222, 203, 115], [247, 231, 173]], + # 5GY + [[41, 56, 24], [57, 81, 16], [82, 105, 33], [107, 130, 57], + [132, 154, 82], [165, 182, 107], [189, 211, 123], [222, 239, 148]], + # 5G + [[24, 56, 41], [41, 81, 66], [33, 109, 82], [57, 134, 107], + [82, 162, 123], [115, 190, 156], [140, 219, 181], [156, 247, 206]], + # 5BG + [[8, 56, 57], [24, 81, 82], [49, 105, 99], [41, 134, 132], + [66, 162, 156], [99, 190, 181], [123, 219, 206], [140, 247, 231]], + # 5B + [[16, 56, 74], [33, 77, 99], [16, 105, 132], [49, 130, 156], + [82, 158, 181], [107, 186, 206], [132, 215, 239], [-1, -1, -1]], + # 5PB V2-V9 + [[24, 52, 90], [49, 73, 115], [74, 97, 140], [99, 121, 165], + [123, 150, 189], [148, 174, 214], [173, 203, 247], [-1, -1, -1]], + # 5P V2-V9 + [[66, 40, 74], [90, 60, 107], [115, 85, 132], [140, 113, 156], + [165, 138, 181], [189, 166, 206], [214, 195, 239], [-1, -1,-1]], + # 5RP V2-V9 + [[82, 36, 57], [107, 56, 82], [132, 81, 99], [165, 105, 123], + [189, 134, 148], [214, 158, 181], [247, 186, 206], [-1, -1, -1]]], + [# max chroma + # 5R + [[99, 24, 41], [140, 32, 41], [189, 36, 49], [239, 32, 57], + [247, 101, 99], [239, 150, 148], [-1, -1, -1], [-1, -1, -1]], + # 5YR + [[-1, -1, -1], [-1, -1, -1], [140, 81, 33], [181, 101, 24], + [222, 125, 24], [247, 154, 82], [-1, -1, -1], [-1, -1, -1]], + # 5Y + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [-1, -1, -1], + [173, 146, 41], [206, 174, 16], [231, 199, 57], [-1, -1, -1]], + # 5GY + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [107, 130, 24], + [132, 158, 49], [156, 186, 41], [181, 215, 8], [206, 247, 41]], + # 5G + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [8, 138, 99], + [57, 166, 123], [41, 199, 140], [74, 227, 165], [-1, -1, -1]], + # 5BG + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [-1, -1, -1], + [-1,-1, -1], [57, 195, 181], [82, 223, 206], [-1, -1, -1]], + # 5B + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [-1, -1, -1], + [24,162, 198], [74, 190, 222], [-1, -1, -1], [-1, -1, -1]], + # 5PB + [[-1, -1, -1], [33, 73, 123], [41, 97, 165], [49, 121, 206], + [82,150, 239], [140, 178, 231], [-1, -1, -1], [-1, -1, -1]], + # 5P + [[82, 20, 99], [115, 20, 148], [165, 16, 198], [198, 48, 239], + [198, 109, 247], [206, 154, 247], [-1, -1, -1], [-1, -1, -1]], + # 5RP + [[99, 8, 66], [140, 16, 90], [189, 20, 115], [231, 40, 140], + [247, 93, 165], [247, 146, 181], [-1, -1, -1], [-1, -1, -1]]]] + +from random import uniform + +class MunColor(): + + def __init__(self): + self.hue = 0 + self.value = 5 + self.chroma = 1 + + def set_hue(self, hue): + self.hue = hue % 10 + + def set_value(self, value): + self.value = max(min(value, 9), 2) + + def set_chroma(self, chroma): + self.chroma = max(min(chroma, 3), 0) + + def random(self): + self.hue = int(uniform(0, 10)) + self.value = int(uniform(2, 10)) + self.chroma = int(uniform(0, 4)) + return self.get_color() + + def random_chroma(self, c1, c2): + self.hue = int(uniform(0, 10)) + self.value = int(uniform(2, 10)) + self.chroma = int(uniform(c1, c2)) % 4 + return self.get_color() + + def random_value(self, v1, v2): + self.hue = int(uniform(0, 10)) + self.value = max(min(int(uniform(v1, v2)), 9), 2) + self.chroma = int(uniform(0, 4)) + return self.get_color() + + def random_hue(self, h1, h2): + self.hue = int(uniform(h1, h2)) % 10 + self.value = int(uniform(2, 10)) + self.chroma = int(uniform(0, 4)) + return self.get_color() + + def random_hvc(self, h1, h2, v1, v2, c1, c2): + self.hue = int(uniform(h1, h2)) % 10 + self.value = max(min(int(uniform(v1, v2)), 9), 2) + self.chroma = int(uniform(c1, c2)) % 4 + return self.get_color() + + def hvc(self, hue, value, chroma): + self.set_hue(hue) + self.set_value(value) + self.set_chroma(chroma) + return self.get_color() + + def get_color(self): + c = self.chroma + rgb = [-1, -1, -1] + while -1 in rgb: + if c == 0: + rgb = MUN[0][self.value - 2] + else: + rgb = MUN[c][self.hue][self.value - 2] + if -1 in rgb: + c -= 1 + return '#%02x%02x%02x' % (rgb[0], rgb[1], rgb[2]) |