Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-07 06:25:32 +01:00
Code Issues Projects Releases Packages Wiki Activity

Add ComputeSquaredDistance trait for SvgLengthOrPercentageOrNumber.

Browse source 
Currently, Servo uses ComputeSquaredDistance derive for
SvgLengthOrPercentageOrNumber, so servo can't calculate between
LengthOrPercentage and Number.
This PR will allow calculating these value.
This commit is contained in:
Mantaroh Yoshinaga 2017-08-21 17:35:45 +09:00
parent 9bb21e6cab
commit d5cfa1395b
2 changed files with 41 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

2
components/style/values/computed/mod.rs
View file

@ -369,7 +369,7 @@ impl From<GreaterThanOrEqualToOneNumber> for CSSFloat {
#[allow(missing_docs)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Copy, Debug, PartialEq, ToCss)]
#[derive(Clone, ComputeSquaredDistance, Copy, Debug, PartialEq, ToCss)]
pub enum NumberOrPercentage {
Percentage(Percentage),
Number(Number),

43
components/style/values/generics/svg.rs
View file

@ -8,8 +8,9 @@ use cssparser::Parser;
use parser::{Parse, ParserContext};
use std::fmt;
use style_traits::{ParseError, StyleParseError, ToCss};
use values::computed::NumberOrPercentage;
use values::computed::length::LengthOrPercentage;
use values::distance::{ComputeSquaredDistance, SquaredDistance};
/// An SVG paint value
///
@ -100,8 +101,8 @@ impl<ColorType: Parse, UrlPaintServer: Parse> Parse for SVGPaint<ColorType, UrlP
/// A value of <length> | <percentage> | <number> for svg which allow unitless length.
/// https://www.w3.org/TR/SVG11/painting.html#StrokeProperties
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Copy, Debug, PartialEq, ToCss, HasViewportPercentage)]
#[derive(ToComputedValue, ToAnimatedValue, ComputeSquaredDistance)]
#[derive(Clone, Copy, Debug, HasViewportPercentage, PartialEq, ToAnimatedValue)]
#[derive(ToCss, ToComputedValue)]
pub enum SvgLengthOrPercentageOrNumber<LengthOrPercentageType, NumberType> {
/// <length> | <percentage>
LengthOrPercentage(LengthOrPercentageType),
@ -109,6 +110,42 @@ pub enum SvgLengthOrPercentageOrNumber<LengthOrPercentageType, NumberType> {
Number(NumberType),
}
impl<L, N> ComputeSquaredDistance for SvgLengthOrPercentageOrNumber<L, N>
where
L: ComputeSquaredDistance + Copy + Into<NumberOrPercentage>,
N: ComputeSquaredDistance + Copy + Into<NumberOrPercentage>
{
#[inline]
fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()> {
match (self, other) {
(
&SvgLengthOrPercentageOrNumber::LengthOrPercentage(ref from),
&SvgLengthOrPercentageOrNumber::LengthOrPercentage(ref to)
) => {
from.compute_squared_distance(to)
},
(
&SvgLengthOrPercentageOrNumber::Number(ref from),
&SvgLengthOrPercentageOrNumber::Number(ref to)
) => {
from.compute_squared_distance(to)
},
(
&SvgLengthOrPercentageOrNumber::LengthOrPercentage(from),
&SvgLengthOrPercentageOrNumber::Number(to)
) => {
from.into().compute_squared_distance(&to.into())
},
(
&SvgLengthOrPercentageOrNumber::Number(from),
&SvgLengthOrPercentageOrNumber::LengthOrPercentage(to)
) => {
from.into().compute_squared_distance(&to.into())
},
}
}
}
impl<LengthOrPercentageType, NumberType> SvgLengthOrPercentageOrNumber<LengthOrPercentageType, NumberType>
where LengthOrPercentage: From<LengthOrPercentageType>,
LengthOrPercentageType: Copy