71 lines
2 KiB
Rust
71 lines
2 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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//! Computed types for CSS values that are related to motion path.
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use crate::values::computed::basic_shape::BasicShape;
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use crate::values::computed::url::ComputedUrl;
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use crate::values::computed::{Angle, LengthPercentage, Position};
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use crate::values::generics::motion::{
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GenericOffsetPath, GenericOffsetPathFunction, GenericOffsetPosition, GenericRayFunction,
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};
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use crate::Zero;
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/// The computed value of ray() function.
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pub type RayFunction = GenericRayFunction<Angle, Position>;
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/// The computed value of <offset-path>.
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pub type OffsetPathFunction = GenericOffsetPathFunction<BasicShape, RayFunction, ComputedUrl>;
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/// The computed value of `offset-path`.
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pub type OffsetPath = GenericOffsetPath<OffsetPathFunction>;
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/// The computed value of `offset-position`.
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pub type OffsetPosition = GenericOffsetPosition<LengthPercentage, LengthPercentage>;
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#[inline]
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fn is_auto_zero_angle(auto: &bool, angle: &Angle) -> bool {
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*auto && angle.is_zero()
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}
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/// A computed offset-rotate.
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#[derive(
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Animate,
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Clone,
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ComputeSquaredDistance,
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Copy,
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Debug,
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Deserialize,
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MallocSizeOf,
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PartialEq,
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Serialize,
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ToAnimatedValue,
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ToAnimatedZero,
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ToCss,
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ToResolvedValue,
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)]
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#[repr(C)]
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pub struct OffsetRotate {
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/// If auto is false, this is a fixed angle which indicates a
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/// constant clockwise rotation transformation applied to it by this
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/// specified rotation angle. Otherwise, the angle will be added to
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/// the angle of the direction in layout.
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#[animation(constant)]
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#[css(represents_keyword)]
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pub auto: bool,
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/// The angle value.
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#[css(contextual_skip_if = "is_auto_zero_angle")]
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pub angle: Angle,
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}
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impl OffsetRotate {
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/// Returns "auto 0deg".
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#[inline]
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pub fn auto() -> Self {
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OffsetRotate {
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auto: true,
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angle: Zero::zero(),
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}
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}
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}
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