Fix layout panic in rounded rectangle

Fixes #1216 both by hardening the rounded rectangle against negative size and by ensuring that the negative size doesn't occur in the first place for this case.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/geom/rounded.rs b/src/geom/rounded.rs
index f445dfcb..24b52448 100644
--- a/src/geom/rounded.rs
+++ b/src/geom/rounded.rs
@@ -52,7 +52,7 @@ fn stroke_segments(
     let mut connection = Connection::default();
     let mut path = Path::new();
     let mut always_continuous = true;
-    let max_radius = size.x.min(size.y) / 2.0;
+    let max_radius = size.x.min(size.y).max(Abs::zero()) / 2.0;
 
     for side in [Side::Top, Side::Right, Side::Bottom, Side::Left] {
         let continuous = stroke.get_ref(side) == stroke.get_ref(side.next_cw());