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Introduce CalcLengthOrPercentage::unclamped_length

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This is necessary for some operations, notably converting this to something
suitable for gecko.
This commit is contained in:
Anthony Ramine 2017-05-18 19:18:00 +02:00
parent bcf1a6c5e5
commit 307dd74ecf
9 changed files with 32 additions and 20 deletions
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9
components/layout/fragment.rs
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@ -1504,7 +1504,11 @@ impl Fragment {
result_inline
}
LengthOrPercentageOrAuto::Length(length) => length,
LengthOrPercentageOrAuto::Calc(calc) => calc.length(),
LengthOrPercentageOrAuto::Calc(calc) => {
// TODO(nox): This is probably wrong, because it accounts neither for
// clamping (not sure if necessary here) nor percentage.
calc.unclamped_length()
},
};
let size_constraint = self.size_constraint(None, Direction::Inline);
@ -2233,8 +2237,7 @@ impl Fragment {
offset -= minimum_line_metrics.space_needed().scale_by(percentage)
}
vertical_align::T::LengthOrPercentage(LengthOrPercentage::Calc(formula)) => {
offset -= minimum_line_metrics.space_needed().scale_by(formula.percentage()) +
formula.length()
offset -= formula.to_used_value(Some(minimum_line_metrics.space_needed())).unwrap()
}
}
}