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35 lines
885 B
Python
35 lines
885 B
Python
from colour import Color
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class MinMax:
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"""
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Minimum and maximum.
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"""
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def __init__(self, min_=None, max_=None):
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self.min_ = min_
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self.max_ = max_
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def update(self, value):
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"""
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Update minimum and maximum with new value.
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"""
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self.min_ = value if not self.min_ or value < self.min_ else self.min_
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self.max_ = value if not self.max_ or value > self.max_ else self.max_
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def delta(self):
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"""
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Difference between maximum and minimum.
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"""
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return self.max_ - self.min_
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def center(self):
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return (self.min_ + self.max_) / 2
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def is_bright(color: Color) -> bool:
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"""
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Is color bright enough to have black outline instead of white.
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"""
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return (
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0.2126 * color.red * 256 +
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0.7152 * color.green * 256 +
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0.0722 * color.blue * 256 > 200)
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