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Create raqote::SolidSource with premultiplied color

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SolidSource expects a premultiplied color.
This commit is contained in:
pylbrecht 2019-11-05 20:09:32 +01:00
parent 77a8bc4a1d
commit 5c6a12a116
1 changed files with 30 additions and 30 deletions
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60
components/canvas/raqote_backend.rs
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@ -84,12 +84,12 @@ impl Backend for RaqoteBackend {
impl<'a> CanvasPaintState<'a> {
pub fn new(_antialias: AntialiasMode) -> CanvasPaintState<'a> {
let solid_src = raqote::SolidSource {
r: 0,
g: 0,
b: 0,
a: 255,
};
let solid_src = raqote::SolidSource::from_unpremultiplied_argb(
255,
0,
0,
0,
);
CanvasPaintState {
draw_options: DrawOptions::Raqote(raqote::DrawOptions::new()),
fill_style: Pattern::Raqote(raqote::Source::Solid(solid_src)),
@ -99,12 +99,12 @@ impl<'a> CanvasPaintState<'a> {
shadow_offset_x: 0.0,
shadow_offset_y: 0.0,
shadow_blur: 0.0,
shadow_color: Color::Raqote(raqote::SolidSource {
r: 0,
g: 0,
b: 0,
a: 0,
}),
shadow_color: Color::Raqote(raqote::SolidSource::from_unpremultiplied_argb(
0,
0,
0,
0,
)),
}
}
}
@ -221,12 +221,12 @@ impl GenericDrawTarget for raqote::DrawTarget {
raqote::DrawTarget::fill(
self,
&pb.finish(),
&raqote::Source::Solid(raqote::SolidSource {
r: 0,
g: 0,
b: 0,
a: 0,
}),
&raqote::Source::Solid(raqote::SolidSource::from_unpremultiplied_argb(
0,
0,
0,
0,
)),
&options,
);
}
@ -652,12 +652,12 @@ impl<'a> ToRaqoteSource<'a> for FillOrStrokeStyle {
use canvas_traits::canvas::FillOrStrokeStyle::*;
match self {
Color(rgba) => Some(raqote::Source::Solid(raqote::SolidSource {
r: rgba.red,
g: rgba.green,
b: rgba.blue,
a: rgba.alpha,
})),
Color(rgba) => Some(raqote::Source::Solid(raqote::SolidSource::from_unpremultiplied_argb(
rgba.alpha,
rgba.red,
rgba.green,
rgba.blue,
))),
LinearGradient(style) => {
let stops = style.stops.into_iter().map(|s| s.to_raqote()).collect();
let gradient = raqote::Gradient { stops };
@ -715,12 +715,12 @@ impl ToRaqoteStyle for RGBA {
type Target = raqote::SolidSource;
fn to_raqote_style(self) -> Self::Target {
raqote::SolidSource {
r: self.red,
g: self.green,
b: self.blue,
a: self.alpha,
}
raqote::SolidSource::from_unpremultiplied_argb(
self.alpha,
self.red,
self.green,
self.blue,
)
}
}