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/* 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
//! Computed types for CSS values that are related to motion path.
use crate::values::computed::basic_shape::BasicShape;
use crate::values::computed::url::ComputedUrl;
use crate::values::computed::{Angle, LengthPercentage, Position};
use crate::values::generics::motion::{
GenericOffsetPath, GenericOffsetPathFunction, GenericOffsetPosition, GenericRayFunction,
};
use crate::Zero;
/// The computed value of ray() function.
pub type RayFunction = GenericRayFunction<Angle, Position>;
/// The computed value of <offset-path>.
pub type OffsetPathFunction = GenericOffsetPathFunction<BasicShape, RayFunction, ComputedUrl>;
/// The computed value of `offset-path`.
pub type OffsetPath = GenericOffsetPath<OffsetPathFunction>;
/// The computed value of `offset-position`.
pub type OffsetPosition = GenericOffsetPosition<LengthPercentage, LengthPercentage>;
#[inline]
fn is_auto_zero_angle(auto: &bool, angle: &Angle) -> bool {
*auto && angle.is_zero()
}
/// A computed offset-rotate.
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Copy,
Debug,
Deserialize,
MallocSizeOf,
PartialEq,
Serialize,
ToAnimatedValue,
ToAnimatedZero,
ToCss,
ToResolvedValue,
)]
#[repr(C)]
pub struct OffsetRotate {
/// If auto is false, this is a fixed angle which indicates a
/// constant clockwise rotation transformation applied to it by this
/// specified rotation angle. Otherwise, the angle will be added to
/// the angle of the direction in layout.
#[animation(constant)]
#[css(represents_keyword)]
pub auto: bool,
/// The angle value.
#[css(contextual_skip_if = "is_auto_zero_angle")]
pub angle: Angle,
}
impl OffsetRotate {
/// Returns "auto 0deg".
#[inline]
pub fn auto() -> Self {
OffsetRotate {
auto: true,
angle: Zero::zero(),
}
}
}