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Merge pull request #1846 from bungoboingo/feat/background-gradients

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[Feature] Gradients for Backgrounds
This commit is contained in:
Héctor Ramón 2023-05-19 04:37:58 +02:00 • committed by GitHub
commit cc5d11f1a6
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42 changed files with 1580 additions and 1465 deletions
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43
tiny_skia/src/backend.rs
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@ -1,4 +1,5 @@
use crate::core::text;
use crate::core::Gradient;
use crate::core::{Background, Color, Font, Point, Rectangle, Size, Vector};
use crate::graphics::backend;
use crate::graphics::{Primitive, Viewport};
@ -184,6 +185,48 @@ impl Backend {
*color,
))
}
Background::Gradient(Gradient::Linear(linear)) => {
let (start, end) =
linear.angle.to_distance(bounds);
let stops: Vec<tiny_skia::GradientStop> =
linear
.stops
.into_iter()
.flatten()
.map(|stop| {
tiny_skia::GradientStop::new(
stop.offset,
tiny_skia::Color::from_rgba(
stop.color.b,
stop.color.g,
stop.color.r,
stop.color.a,
)
.expect("Create color"),
)
})
.collect();
tiny_skia::LinearGradient::new(
tiny_skia::Point {
x: start.x,
y: start.y,
},
tiny_skia::Point { x: end.x, y: end.y },
if stops.is_empty() {
vec![tiny_skia::GradientStop::new(
0.0,
tiny_skia::Color::BLACK,
)]
} else {
stops
},
tiny_skia::SpreadMode::Pad,
tiny_skia::Transform::identity(),
)
.expect("Create linear gradient")
}
},
anti_alias: true,
..tiny_skia::Paint::default()