You've already forked snikket-web-portal
33 lines
690 B
Python
33 lines
690 B
Python
import functools
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import hashlib
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import hsluv
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# This is essentially an implementation of XEP-0392.
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def clip_rgb(r, g, b):
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return (
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min(max(r, 0), 1),
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min(max(g, 0), 1),
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min(max(b, 0), 1),
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)
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@functools.lru_cache(128)
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def text_to_colour(text):
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MASK = 0xffff
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h = hashlib.sha1()
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h.update(text.encode("utf-8"))
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hue = (int.from_bytes(h.digest()[:2], "little") & MASK) / MASK
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r, g, b = hsluv.hsluv_to_rgb((hue * 360, 75, 60))
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# print(text, cb, cr, r, g, b)
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r, g, b = clip_rgb(r, g, b)
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return r, g, b
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def text_to_css(text):
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return "#{:02x}{:02x}{:02x}".format(
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*(round(v * 255) for v in text_to_colour(text))
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)
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