53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
"""
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weasyprint.layout.min_max
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-------------------------
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:copyright: Copyright 2011-2019 Simon Sapin and contributors, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import functools
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def handle_min_max_width(function):
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"""Decorate a function that sets the used width of a box to handle
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{min,max}-width.
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"""
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@functools.wraps(function)
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def wrapper(box, *args):
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computed_margins = box.margin_left, box.margin_right
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result = function(box, *args)
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if box.width > box.max_width:
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box.width = box.max_width
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box.margin_left, box.margin_right = computed_margins
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result = function(box, *args)
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if box.width < box.min_width:
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box.width = box.min_width
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box.margin_left, box.margin_right = computed_margins
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result = function(box, *args)
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return result
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wrapper.without_min_max = function
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return wrapper
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def handle_min_max_height(function):
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"""Decorate a function that sets the used height of a box to handle
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{min,max}-height.
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"""
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@functools.wraps(function)
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def wrapper(box, *args):
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computed_margins = box.margin_top, box.margin_bottom
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result = function(box, *args)
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if box.height > box.max_height:
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box.height = box.max_height
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box.margin_top, box.margin_bottom = computed_margins
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result = function(box, *args)
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if box.height < box.min_height:
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box.height = box.min_height
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box.margin_top, box.margin_bottom = computed_margins
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result = function(box, *args)
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return result
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wrapper.without_min_max = function
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return wrapper
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