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plot: Fix the full circle cannot be drawn (#1161)

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Floyd Wang 2025-08-20 16:01:15 +08:00 committed by GitHub
parent 1bbc4b9f23
commit 9b3900b6cf
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GPG key ID: B5690EEEBB952194
1 changed files with 8 additions and 2 deletions
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10
crates/ui/src/plot/shape/arc.rs
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@ -70,7 +70,14 @@ impl Arc {
fn path<T>(&self, arc: &ArcData<T>, bounds: &Bounds<Pixels>) -> Option<Path<Pixels>> {
let start_angle = arc.start_angle - HALF_PI;
let end_angle = arc.end_angle - HALF_PI;
let pad_angle = arc.pad_angle;
let da = end_angle - start_angle;
let pad_angle = if da >= PI {
// Leave some pad angle for full circle.
// If not, the path start and end will be the same point.
0.0001
} else {
arc.pad_angle
};
let r0 = self.inner_radius.max(0.);
let r1 = self.outer_radius.max(0.);
@ -79,7 +86,6 @@ impl Arc {
let center_y = bounds.origin.y.0 + bounds.size.height.0 / 2.;
// Angle difference.
let da = end_angle - start_angle;
if r1 < EPSILON || da.abs() < EPSILON {
return None;
}