64 lines
1.6 KiB
Python
Executable File
64 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python
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# vim:fileencoding=utf-8:noet
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from __future__ import (unicode_literals, division, absolute_import, print_function)
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import sys
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import os
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from colormath.color_objects import sRGBColor, LabColor
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from colormath.color_conversions import convert_color
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from colormath.color_diff import delta_e_cie2000
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def get_lab(name, rgb):
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rgb = sRGBColor(
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int(rgb[:2], 16), int(rgb[2:4], 16), int(rgb[4:6], 16),
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is_upscaled=True
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)
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lab = convert_color(rgb, LabColor)
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return name, lab
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with open(os.path.join(os.path.dirname(__file__), 'colors.map'), 'r') as f:
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colors = [get_lab(*line.split('\t')) for line in f]
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ulab = get_lab(None, sys.argv[1])[1]
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def find_color(urgb, colors):
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cur_distance = 3 * (255 ** 2 + 1)
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cur_color = None
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for color, clab in colors:
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dist = delta_e_cie2000(ulab, clab)
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if dist < cur_distance:
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cur_distance = dist
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cur_color = (color, clab)
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return cur_color
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cur_color = find_color(ulab, colors)
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def lab_to_csi(lab):
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rgb = convert_color(lab, sRGBColor)
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colstr = ';2;' + ';'.join((str(i) for i in get_upscaled_values(rgb)))
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return colstr + 'm'
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def get_upscaled_values(rgb):
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return [min(max(0, i), 255) for i in rgb.get_upscaled_value_tuple()]
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def get_rgb(lab):
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rgb = convert_color(lab, sRGBColor)
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rgb = sRGBColor(*get_upscaled_values(rgb), is_upscaled=True)
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return rgb.get_rgb_hex()[1:]
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print(get_rgb(ulab), ':', cur_color[0], ':', get_rgb(cur_color[1]))
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col_1 = lab_to_csi(ulab)
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col_2 = lab_to_csi(cur_color[1])
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sys.stdout.write('\033[48' + col_1 + '\033[38' + col_2 + 'abc\033[0m <-- bg:urgb, fg:crgb\n')
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sys.stdout.write('\033[48' + col_2 + '\033[38' + col_1 + 'abc\033[0m <-- bg:crgb, fg:urgb\n')
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