servo/components/style/values/computed/effects.rs
violet 2fba62aba9
style: Add computed value ZeroToOneNumber.
Correctly handle clamping to 1 behavior of grayscale(),
invert(), opacity() and sepia().

Differential Revision: https://phabricator.services.mozilla.com/D35509
2019-07-08 12:42:25 +02:00

32 lines
1.4 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
//! Computed types for CSS values related to effects.
use crate::values::computed::color::Color;
use crate::values::computed::length::{Length, NonNegativeLength};
#[cfg(feature = "gecko")]
use crate::values::computed::url::ComputedUrl;
use crate::values::computed::{Angle, ZeroToOneNumber, NonNegativeNumber};
use crate::values::generics::effects::BoxShadow as GenericBoxShadow;
use crate::values::generics::effects::Filter as GenericFilter;
use crate::values::generics::effects::SimpleShadow as GenericSimpleShadow;
#[cfg(not(feature = "gecko"))]
use crate::values::Impossible;
/// A computed value for a single shadow of the `box-shadow` property.
pub type BoxShadow = GenericBoxShadow<Color, Length, NonNegativeLength, Length>;
/// A computed value for a single `filter`.
#[cfg(feature = "gecko")]
pub type Filter =
GenericFilter<Angle, NonNegativeNumber, ZeroToOneNumber, NonNegativeLength, SimpleShadow, ComputedUrl>;
/// A computed value for a single `filter`.
#[cfg(feature = "servo")]
pub type Filter =
GenericFilter<Angle, NonNegativeNumber, ZeroToOneNumber, NonNegativeLength, Impossible, Impossible>;
/// A computed value for the `drop-shadow()` filter.
pub type SimpleShadow = GenericSimpleShadow<Color, Length, NonNegativeLength>;