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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
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
//! Generic types for CSS values in SVG
use crate::parser::{Parse, ParserContext};
use cssparser::Parser;
use style_traits::ParseError;
/// The fallback of an SVG paint server value.
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Debug,
MallocSizeOf,
PartialEq,
Parse,
SpecifiedValueInfo,
ToAnimatedValue,
ToAnimatedZero,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(C, u8)]
pub enum GenericSVGPaintFallback<C> {
/// The `none` keyword.
None,
/// A magic value that represents no fallback specified and serializes to
/// the empty string.
#[css(skip)]
Unset,
/// A color.
Color(C),
}
pub use self::GenericSVGPaintFallback as SVGPaintFallback;
/// An SVG paint value
///
/// <https://www.w3.org/TR/SVG2/painting.html#SpecifyingPaint>
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Debug,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToAnimatedValue,
ToAnimatedZero,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[animation(no_bound(Url))]
#[repr(C)]
pub struct GenericSVGPaint<Color, Url> {
/// The paint source.
pub kind: GenericSVGPaintKind<Color, Url>,
/// The fallback color.
pub fallback: GenericSVGPaintFallback<Color>,
}
pub use self::GenericSVGPaint as SVGPaint;
impl<C, U> Default for SVGPaint<C, U> {
fn default() -> Self {
Self {
kind: SVGPaintKind::None,
fallback: SVGPaintFallback::Unset,
}
}
}
/// An SVG paint value without the fallback.
///
/// Whereas the spec only allows PaintServer to have a fallback, Gecko lets the
/// context properties have a fallback as well.
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Debug,
MallocSizeOf,
PartialEq,
Parse,
SpecifiedValueInfo,
ToAnimatedValue,
ToAnimatedZero,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[animation(no_bound(U))]
#[repr(C, u8)]
pub enum GenericSVGPaintKind<C, U> {
/// `none`
#[animation(error)]
None,
/// `<color>`
Color(C),
/// `url(...)`
#[animation(error)]
PaintServer(U),
/// `context-fill`
ContextFill,
/// `context-stroke`
ContextStroke,
}
pub use self::GenericSVGPaintKind as SVGPaintKind;
impl<C: Parse, U: Parse> Parse for SVGPaint<C, U> {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
let kind = SVGPaintKind::parse(context, input)?;
if matches!(kind, SVGPaintKind::None | SVGPaintKind::Color(..)) {
return Ok(SVGPaint {
kind,
fallback: SVGPaintFallback::Unset,
});
}
let fallback = input
.try_parse(|i| SVGPaintFallback::parse(context, i))
.unwrap_or(SVGPaintFallback::Unset);
Ok(SVGPaint { kind, fallback })
}
}
/// An SVG length value supports `context-value` in addition to length.
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Copy,
Debug,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToAnimatedValue,
ToAnimatedZero,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(C, u8)]
pub enum GenericSVGLength<L> {
/// `<length> | <percentage> | <number>`
LengthPercentage(L),
/// `context-value`
#[animation(error)]
ContextValue,
}
pub use self::GenericSVGLength as SVGLength;
/// Generic value for stroke-dasharray.
#[derive(
Clone,
Debug,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToAnimatedValue,
ToAnimatedZero,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(C, u8)]
pub enum GenericSVGStrokeDashArray<L> {
/// `[ <length> | <percentage> | <number> ]#`
#[css(comma)]
Values(#[css(if_empty = "none", iterable)] crate::OwnedSlice<L>),
/// `context-value`
ContextValue,
}
pub use self::GenericSVGStrokeDashArray as SVGStrokeDashArray;
/// An SVG opacity value accepts `context-{fill,stroke}-opacity` in
/// addition to opacity value.
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Copy,
Debug,
MallocSizeOf,
PartialEq,
Parse,
SpecifiedValueInfo,
ToAnimatedZero,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(C, u8)]
pub enum GenericSVGOpacity<OpacityType> {
/// `<opacity-value>`
Opacity(OpacityType),
/// `context-fill-opacity`
#[animation(error)]
ContextFillOpacity,
/// `context-stroke-opacity`
#[animation(error)]
ContextStrokeOpacity,
}
pub use self::GenericSVGOpacity as SVGOpacity;
|
