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Introduce CSSPixelLength and update NonNegativeLength.

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First, we define computed::CSSPixelLength which contains a CSSFloat, a
pixel value, and then we replace computed::Length with CSSPixelLength.
Therefore, the |ComputedValue| of NoCalcLength, AbsoluteLength,
FontRelativeLength, ViewportPercentageLength, CharacterWidth, and
PhysicalLength is CSSPixelLength.

Besides, we drop NonNegativeAu, and replace computed::NonNegativeLength
with NonNegative<computed::Length>. (i.e. NonNegative<CSSPixelLength>)
This commit is contained in:
Boris Chiou 2017-09-13 14:26:51 +08:00
parent cad3aff508
commit a949e2a057
40 changed files with 502 additions and 406 deletions
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6
components/style/values/specified/border.rs
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@ -7,7 +7,7 @@
use cssparser::Parser;
use parser::{Parse, ParserContext};
use style_traits::ParseError;
use values::computed::{Context, NonNegativeAu, ToComputedValue};
use values::computed::{Context, NonNegativeLength, ToComputedValue};
use values::generics::border::BorderCornerRadius as GenericBorderCornerRadius;
use values::generics::border::BorderImageSideWidth as GenericBorderImageSideWidth;
use values::generics::border::BorderImageSlice as GenericBorderImageSlice;
@ -71,7 +71,7 @@ impl Parse for BorderSideWidth {
}
impl ToComputedValue for BorderSideWidth {
type ComputedValue = NonNegativeAu;
type ComputedValue = NonNegativeLength;
#[inline]
fn to_computed_value(&self, context: &Context) -> Self::ComputedValue {
@ -82,7 +82,7 @@ impl ToComputedValue for BorderSideWidth {
BorderSideWidth::Thin => Length::from_px(1.).to_computed_value(context),
BorderSideWidth::Medium => Length::from_px(3.).to_computed_value(context),
BorderSideWidth::Thick => Length::from_px(5.).to_computed_value(context),
BorderSideWidth::Length(ref length) => length.to_computed_value(context)
BorderSideWidth::Length(ref length) => length.to_computed_value(context),
}.into()
}