57 lines
1.4 KiB
Python
Executable file
57 lines
1.4 KiB
Python
Executable file
#!/usr/bin/env python3
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import json, colorsys
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colors = json.load(open("material-colors.json", "r"))
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palettes = colors['palettes']
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def hex_to_rgb(h):
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return tuple(int(h[i:i+2], 16) / 255 for i in (0, 2 ,4))
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def to_linear(x):
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if x < 0.04045:
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return x / 12.92
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else:
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return pow((x + 0.055) / 1.055, 2.4)
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def rgb_to_linear(rgb):
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return [to_linear(x) for x in rgb]
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def luma(rgb):
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r, g, b = rgb_to_linear(rgb)
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return (0.2126*r + 0.7152*g + 0.0722*b)
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def prep(x):
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cols = [x['colors'][5], x['colors'][7]]
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rgb = [hex_to_rgb(c[1:]) for c in cols]
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brightness = [luma(c) for c in rgb]
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main_index = 0 if brightness[0] < 0.6 else 1
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dark_main = brightness[main_index] < 0.5
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return {
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"name": x['shade'].lower().replace(' ', '-'),
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"main": cols[main_index],
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"input": x['colors'][3 if main_index == 0 else 5],
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"text": "white" if dark_main else "black",
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"link": blues[2] if dark_main else blues[7],
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}
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blues = [x for x in palettes if x['shade'] == "Blue"][0]["colors"]
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themes = [prep(palette) for palette in palettes]
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print(
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"\n".join(
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"\
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.theme-{name} {{\n\
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--theme-main: {main};\n\
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--theme-text: {text};\n\
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--theme-input: {input};\n\
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--theme-link: {link};\n\
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}}\n".format(**x)
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for x in themes
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)
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)
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# print("[" + ', '.join('"'+x['name']+'"' for x in themes) + "]")
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