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Implement Calc for LengthOrPercentageOrAuto

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This commit is contained in:
David Zbarsky 2015-08-11 21:08:05 -04:00
parent 9556141e57
commit cb4d878169
7 changed files with 44 additions and 0 deletions
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11
components/layout/fragment.rs
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@ -463,6 +463,12 @@ impl ReplacedImageFragmentInfo {
MaybeAuto::Specified(container_size.scale_by(pc))
}
(LengthOrPercentageOrAuto::Percentage(_), _, None) => MaybeAuto::Auto,
(LengthOrPercentageOrAuto::Calc(calc), _, Some(container_size)) => {
MaybeAuto::Specified(calc.length() + container_size.scale_by(calc.percentage()))
}
(LengthOrPercentageOrAuto::Calc(calc), _, None) => {
MaybeAuto::Specified(calc.length())
}
(LengthOrPercentageOrAuto::Auto, Some(dom_length), _) => MaybeAuto::Specified(dom_length),
(LengthOrPercentageOrAuto::Auto, None, _) => MaybeAuto::Auto,
}
@ -616,6 +622,10 @@ impl IframeFragmentInfo {
let computed_size = match (content_size, containing_size) {
(LengthOrPercentageOrAuto::Length(length), _) => length,
(LengthOrPercentageOrAuto::Percentage(pc), Some(container_size)) => container_size.scale_by(pc),
(LengthOrPercentageOrAuto::Calc(calc), Some(container_size)) => {
container_size.scale_by(calc.percentage()) + calc.length()
},
(LengthOrPercentageOrAuto::Calc(calc), None) => calc.length(),
(LengthOrPercentageOrAuto::Percentage(_), None) => default_size,
(LengthOrPercentageOrAuto::Auto, _) => default_size,
};
@ -1285,6 +1295,7 @@ impl Fragment {
}
(Some(dom_inline_size), _) => dom_inline_size,
(None, LengthOrPercentageOrAuto::Length(length)) => length,
(None, LengthOrPercentageOrAuto::Calc(calc)) => calc.length(),
};
result.union_block(&IntrinsicISizes {
minimum_inline_size: image_inline_size,