From babe0d3c3427cb53e2aa2cac9c66fbb2ce519216 Mon Sep 17 00:00:00 2001
From: Alejandro Alonso <alejandroalonsofernandez@gmail.com>
Date: Wed, 22 Jul 2026 11:06:00 +0200
Subject: [PATCH] :bug: Fix exclude boolean rendering in render WASM

---
 render-wasm/src/shapes.rs       | 9 +++++++--
 render-wasm/src/shapes/paths.rs | 3 +++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/render-wasm/src/shapes.rs b/render-wasm/src/shapes.rs
index 5dfbe9e384..6930a1a17d 100644
--- a/render-wasm/src/shapes.rs
+++ b/render-wasm/src/shapes.rs
@@ -705,16 +705,21 @@ impl Shape {
     }
 
     pub fn set_path_segments(&mut self, segments: Vec<Segment>) {
-        let path = Path::new(segments);
         match &mut self.shape_type {
             Type::Bool(Bool { bool_type, .. }) => {
+                let path = match bool_type {
+                    // Exclusion booleans are computed with even-odd semantics but
+                    // PathData uploads do not carry the fill rule.
+                    BoolType::Exclusion => Path::new(segments).with_even_odd(true),
+                    _ => Path::new(segments),
+                };
                 self.shape_type = Type::Bool(Bool {
                     bool_type: *bool_type,
                     path,
                 });
             }
             Type::Path(_) => {
-                self.shape_type = Type::Path(path);
+                self.shape_type = Type::Path(Path::new(segments));
             }
             _ => {}
         };
diff --git a/render-wasm/src/shapes/paths.rs b/render-wasm/src/shapes/paths.rs
index 94f7521c3e..f63b732f15 100644
--- a/render-wasm/src/shapes/paths.rs
+++ b/render-wasm/src/shapes/paths.rs
@@ -262,6 +262,9 @@ impl Path {
 
     pub fn to_skia_path(&self, svg_attrs: Option<&SvgAttrs>) -> skia::Path {
         let mut path = self.skia_path.snapshot();
+        if self.is_even_odd() {
+            path.set_fill_type(skia::PathFillType::EvenOdd);
+        }
         if let Some(attrs) = svg_attrs {
             if attrs.fill_rule == FillRule::Evenodd {
                 path.set_fill_type(skia::PathFillType::EvenOdd);