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Refactor Gradient

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In a similar way to Position, now specified and computed gradients share
a common Gradient type defined in style::values::generics::image.

This allows us to reuse most code for many style traits like ToCss,
HasViewportPercentage and ToComputedValue.

The test changes are the fallout of the disappearance of AngleOrCorner::None,
which align our code to the spec for serialisation, where components that can
be omitted should be omitted.
This commit is contained in:
Anthony Ramine 2017-05-12 17:28:05 +02:00
parent f2aaba685b
commit abef5da9d8
10 changed files with 742 additions and 888 deletions
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4
components/style/values/specified/length.rs
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@ -24,8 +24,8 @@ use values::computed::{ComputedValueAsSpecified, Context};
use values::specified::calc::CalcNode;
pub use values::specified::calc::CalcLengthOrPercentage;
pub use super::image::{AngleOrCorner, ColorStop, EndingShape as GradientEndingShape, Gradient};
pub use super::image::{GradientKind, Image, LengthOrKeyword, LengthOrPercentageOrKeyword, SizeKeyword};
pub use super::image::{ColorStop, EndingShape as GradientEndingShape, Gradient};
pub use super::image::{GradientKind, Image};
/// Number of app units per pixel
pub const AU_PER_PX: CSSFloat = 60.;