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Auto merge of #7496 - servo:calc_, r=SimonSapin

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Implement CSS3 Calc

This is #7185 with one commit added to make it build merged with master, which got support for the `ch` unit in the meantime.

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This commit is contained in:
bors-servo 2015-09-02 02:33:18 -06:00
commit a547ae6826
21 changed files with 873 additions and 63 deletions
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5
components/layout/inline.rs
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@ -988,6 +988,11 @@ impl InlineFlow {
let percent_offset = line_height.scale_by(p);
offset_from_baseline = offset_from_baseline - percent_offset
}
vertical_align::T::Calc(calc) => {
let line_height = fragment.calculate_line_height(layout_context);
let percent_offset = line_height.scale_by(calc.percentage());
offset_from_baseline = offset_from_baseline - percent_offset - calc.length()
}
}
}
(offset_from_baseline - ascent, largest_size_updated)