servo/components/layout_2020/display_list/conversions.rs
2020-02-19 10:26:13 +01:00

91 lines
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/. */
use crate::geom::{PhysicalPoint, PhysicalRect, PhysicalSides, PhysicalSize};
use style::computed_values::mix_blend_mode::T as ComputedMixBlendMode;
use style::values::computed::Filter as ComputedFilter;
use style::values::computed::Length;
use webrender_api as wr;
pub trait ToWebRender {
type Type;
fn to_webrender(&self) -> Self::Type;
}
impl ToWebRender for ComputedFilter {
type Type = wr::FilterOp;
fn to_webrender(&self) -> Self::Type {
match *self {
ComputedFilter::Blur(radius) => wr::FilterOp::Blur(radius.px()),
ComputedFilter::Brightness(amount) => wr::FilterOp::Brightness(amount.0),
ComputedFilter::Contrast(amount) => wr::FilterOp::Contrast(amount.0),
ComputedFilter::Grayscale(amount) => wr::FilterOp::Grayscale(amount.0),
ComputedFilter::HueRotate(angle) => wr::FilterOp::HueRotate(angle.radians()),
ComputedFilter::Invert(amount) => wr::FilterOp::Invert(amount.0),
ComputedFilter::Opacity(amount) => wr::FilterOp::Opacity(amount.0.into(), amount.0),
ComputedFilter::Saturate(amount) => wr::FilterOp::Saturate(amount.0),
ComputedFilter::Sepia(amount) => wr::FilterOp::Sepia(amount.0),
// Statically check that DropShadow is impossible.
ComputedFilter::DropShadow(ref shadow) => match *shadow {},
// Statically check that Url is impossible.
ComputedFilter::Url(ref url) => match *url {},
}
}
}
impl ToWebRender for ComputedMixBlendMode {
type Type = wr::MixBlendMode;
fn to_webrender(&self) -> Self::Type {
match *self {
ComputedMixBlendMode::Normal => wr::MixBlendMode::Normal,
ComputedMixBlendMode::Multiply => wr::MixBlendMode::Multiply,
ComputedMixBlendMode::Screen => wr::MixBlendMode::Screen,
ComputedMixBlendMode::Overlay => wr::MixBlendMode::Overlay,
ComputedMixBlendMode::Darken => wr::MixBlendMode::Darken,
ComputedMixBlendMode::Lighten => wr::MixBlendMode::Lighten,
ComputedMixBlendMode::ColorDodge => wr::MixBlendMode::ColorDodge,
ComputedMixBlendMode::ColorBurn => wr::MixBlendMode::ColorBurn,
ComputedMixBlendMode::HardLight => wr::MixBlendMode::HardLight,
ComputedMixBlendMode::SoftLight => wr::MixBlendMode::SoftLight,
ComputedMixBlendMode::Difference => wr::MixBlendMode::Difference,
ComputedMixBlendMode::Exclusion => wr::MixBlendMode::Exclusion,
ComputedMixBlendMode::Hue => wr::MixBlendMode::Hue,
ComputedMixBlendMode::Saturation => wr::MixBlendMode::Saturation,
ComputedMixBlendMode::Color => wr::MixBlendMode::Color,
ComputedMixBlendMode::Luminosity => wr::MixBlendMode::Luminosity,
}
}
}
impl ToWebRender for PhysicalPoint<Length> {
type Type = webrender_api::units::LayoutPoint;
fn to_webrender(&self) -> Self::Type {
webrender_api::units::LayoutPoint::new(self.x.px(), self.y.px())
}
}
impl ToWebRender for PhysicalSize<Length> {
type Type = webrender_api::units::LayoutSize;
fn to_webrender(&self) -> Self::Type {
webrender_api::units::LayoutSize::new(self.width.px(), self.height.px())
}
}
impl ToWebRender for PhysicalRect<Length> {
type Type = webrender_api::units::LayoutRect;
fn to_webrender(&self) -> Self::Type {
webrender_api::units::LayoutRect::new(self.origin.to_webrender(), self.size.to_webrender())
}
}
impl ToWebRender for PhysicalSides<Length> {
type Type = webrender_api::units::LayoutSideOffsets;
fn to_webrender(&self) -> Self::Type {
webrender_api::units::LayoutSideOffsets::new(
self.top.px(),
self.right.px(),
self.bottom.px(),
self.left.px(),
)
}
}