mirror of https://github.com/papermerge/mglib
46 lines
978 B
Python
46 lines
978 B
Python
class Step:
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# width of a document when displayed as 100%.
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WIDTH_100p = 1240
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PERCENT = 100
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LIST = [125, 100, 75, 50, 10]
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# aspect ration for A4 paper is h = w * 1.41
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# for 100
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# 100 => w = 1240, h = 1748
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# 50 => w = 620, h = 874
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def __init__(self, current=1):
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self.current = current
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@property
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def width(self):
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p = self.percent / 100
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return int(p * Step.WIDTH_100p)
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@property
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def is_thumbnail(self):
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return self.percent < 50
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@property
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def is_for_hocr(self):
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return not self.is_thumbnail
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@property
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def percent(self):
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return Step.LIST[self.current]
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def __str__(self):
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return f"Step(percent={self.percent}, width={self.width})"
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def __repr__(self):
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return self.__str__()
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class Steps:
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def __init__(self):
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self.steps = [Step(0), Step(1), Step(2), Step(3), Step(4)]
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def __iter__(self):
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return iter(self.steps)
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