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Introduce web-colors feature flag to enable sRGB linear blending

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This is how browsers perform color management. They treat
gamma-corrected sRGB colors as if they were linear RGB.

Correctness aside, this mode is introduced for legacy reasons. Most
UI/UX tooling uses this color management as well, and many have created
an intuition about how color should behave from interacting with a
browser.

This feature flag should facilitate application development with `iced`
in those cases.

More details: https://webcolorisstillbroken.com/
This commit is contained in:
Héctor Ramón Jiménez 2023-05-31 21:31:58 +02:00
parent b5f102c558
commit faa7627ea4
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GPG key ID: 140CC052C94F138E
16 changed files with 99 additions and 30 deletions
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7
wgpu/src/geometry.rs
View file

@ -1,5 +1,6 @@
//! Build and draw geometry.
use crate::core::{Point, Rectangle, Size, Vector};
use crate::graphics::color;
use crate::graphics::geometry::fill::{self, Fill};
use crate::graphics::geometry::{
LineCap, LineDash, LineJoin, Path, Stroke, Style, Text,
@ -68,7 +69,7 @@ impl BufferStack {
(Style::Solid(color), Buffer::Solid(buffer)) => {
Box::new(tessellation::BuffersBuilder::new(
buffer,
TriangleVertex2DBuilder(color.into_linear()),
TriangleVertex2DBuilder(color::pack(*color)),
))
}
(Style::Gradient(gradient), Buffer::Gradient(buffer)) => {
@ -91,7 +92,7 @@ impl BufferStack {
(Style::Solid(color), Buffer::Solid(buffer)) => {
Box::new(tessellation::BuffersBuilder::new(
buffer,
TriangleVertex2DBuilder(color.into_linear()),
TriangleVertex2DBuilder(color::pack(*color)),
))
}
(Style::Gradient(gradient), Buffer::Gradient(buffer)) => {
@ -526,7 +527,7 @@ impl tessellation::StrokeVertexConstructor<primitive::GradientVertex2D>
}
}
struct TriangleVertex2DBuilder([f32; 4]);
struct TriangleVertex2DBuilder(color::Packed);
impl tessellation::FillVertexConstructor<primitive::ColoredVertex2D>
for TriangleVertex2DBuilder