Fix a few minor issues in lyon_tessellation

crates/tessellation/src/event_queue.rs

@@ -64,7 +64,7 @@ impl EventQueue {
         EventQueue {
             events: Vec::with_capacity(cap),
             edge_data: Vec::with_capacity(cap),
-            first: 0,
+            first: INVALID_EVENT_ID,
             sorted: false,
         }
     }
@@ -273,12 +273,6 @@ impl EventQueue {
         self.events[prev as usize].next_event = idx;
     }
 
-    pub(crate) fn clear(&mut self) {
-        self.events.clear();
-        self.first = INVALID_EVENT_ID;
-        self.sorted = false;
-    }
-
     /// Returns the ID of the first event in the queue.
     pub(crate) fn first_id(&self) -> TessEventId {
         self.first

crates/tessellation/src/fill.rs

@@ -62,7 +62,7 @@ fn fmax(a: f32, b: f32) -> f32 {
 }
 
 fn slope(v: Vector) -> f32 {
-    v.x / (v.y.max(f32::MIN))
+    v.x / (v.y.max(f32::MIN_POSITIVE))
 }
 
 #[cfg(all(debug_assertions, feature = "std"))]

crates/tessellation/src/stroke.rs

@@ -2094,7 +2094,7 @@ fn compute_join_side_positions(
         let d_next = extruded_normal.dot(v1) - next_length;
         let d_prev = extruded_normal.dot(-v0) - prev_length;
 
-        if d_next.min(d_prev) >= 0.0 || normal.square_length() < 1e-5 {
+        if d_next.min(d_prev) > 0.0 || normal.square_length() < 1e-5 {
             // Case of an overlapping stroke. In order to prevent the back vertex to create a
             // spike outside of the stroke, we simply don't create it and we'll "fold" the join
             // instead.
@@ -3396,7 +3396,7 @@ fn correct_miter_clip_length() {
         .with_line_width(line_width)
         .with_line_join(LineJoin::MiterClip)
         .with_miter_limit(miter_limit);
-    
+
     let mut mesh = VertexBuffers::new();
     let mut builder = simple_builder(&mut mesh);
     tessellator
@@ -3413,4 +3413,4 @@ fn correct_miter_clip_length() {
     let expected_max_y = path_max_y + line_width * miter_limit * 0.5;
 
     assert_eq!(expected_max_y, max_y);
-}
+}