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Ignore intrinsic size for replaced boxes with percentage-based width

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Fix #227.
This commit is contained in:
Guillaume Ayoub 2017-10-11 11:11:57 +02:00
parent a317b63661
commit 1076b106ea
1 changed files with 14 additions and 7 deletions
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21
weasyprint/layout/preferred.py
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@ -590,19 +590,26 @@ def table_and_columns_preferred_widths(context, box, outer=True):
def replaced_min_content_width(box, outer=True):
"""Return the min-content width for an ``InlineReplacedBox``."""
width = box.style.width
if width == 'auto' or width.unit == '%':
if width == 'auto':
height = box.style.height
if height == 'auto' or height.unit == '%':
height = 'auto'
else:
assert height.unit == 'px'
height = height.value
image = box.replacement
iwidth, iheight = image.get_intrinsic_size(
box.style.image_resolution, box.style.font_size)
width, _ = default_image_sizing(
iwidth, iheight, image.intrinsic_ratio, 'auto', height,
default_width=300, default_height=150)
if box.style.max_width != 'auto' and box.style.max_width.unit == '%':
# See https://drafts.csswg.org/css-sizing/#intrinsic-contribution
width = 0
else:
image = box.replacement
iwidth, iheight = image.get_intrinsic_size(
box.style.image_resolution, box.style.font_size)
width, _ = default_image_sizing(
iwidth, iheight, image.intrinsic_ratio, 'auto', height,
default_width=300, default_height=150)
elif box.style.width.unit == '%':
# See https://drafts.csswg.org/css-sizing/#intrinsic-contribution
width = 0
else:
assert width.unit == 'px'
width = width.value