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stylo: support background-size

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This commit is contained in:
Manish Goregaokar 2016-09-01 19:21:44 +05:30
parent f787e8ed65
commit 04c5d05727
3 changed files with 107 additions and 2 deletions
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25
components/style/gecko_conversions.rs
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@ -14,7 +14,7 @@ use gecko_bindings::structs::nsStyleCoord_CalcValue;
use gecko_bindings::sugar::refptr::HasArcFFI;
use properties::ComputedValues;
use stylesheets::Stylesheet;
use values::computed::{CalcLengthOrPercentage, LengthOrPercentage};
use values::computed::{CalcLengthOrPercentage, LengthOrPercentage, LengthOrPercentageOrAuto};
unsafe impl HasArcFFI for Stylesheet {
type FFIType = RawServoStyleSheet;
@ -70,6 +70,29 @@ impl From<LengthOrPercentage> for nsStyleCoord_CalcValue {
}
}
impl LengthOrPercentageOrAuto {
pub fn to_calc_value(&self) -> Option<nsStyleCoord_CalcValue> {
match *self {
LengthOrPercentageOrAuto::Length(au) => {
Some(nsStyleCoord_CalcValue {
mLength: au.0,
mPercent: 0.0,
mHasPercent: false,
})
},
LengthOrPercentageOrAuto::Percentage(pc) => {
Some(nsStyleCoord_CalcValue {
mLength: 0,
mPercent: pc,
mHasPercent: true,
})
},
LengthOrPercentageOrAuto::Calc(calc) => Some(calc.into()),
LengthOrPercentageOrAuto::Auto => None,
}
}
}
impl From<nsStyleCoord_CalcValue> for LengthOrPercentage {
fn from(other: nsStyleCoord_CalcValue) -> LengthOrPercentage {
match (other.mHasPercent, other.mLength) {