From c045969234ec6fd6317fd3852cde0debcc30c0bd Mon Sep 17 00:00:00 2001
From: Callum Law <callumlaw1709@outlook.com>
Date: Mon, 8 Sep 2025 00:13:13 +1200
Subject: [PATCH] LibWeb: Store `stop-opacity` in computed form in
 ComputedProperties

---
 Libraries/LibWeb/CSS/CSSStyleProperties.cpp | 4 ----
 Libraries/LibWeb/CSS/ComputedProperties.cpp | 3 +--
 Libraries/LibWeb/CSS/StyleComputer.cpp      | 1 +
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/Libraries/LibWeb/CSS/CSSStyleProperties.cpp b/Libraries/LibWeb/CSS/CSSStyleProperties.cpp
index 97e83f23b87..3d0a880aa1a 100644
--- a/Libraries/LibWeb/CSS/CSSStyleProperties.cpp
+++ b/Libraries/LibWeb/CSS/CSSStyleProperties.cpp
@@ -813,10 +813,6 @@ RefPtr<StyleValue const> CSSStyleProperties::style_value_for_computed_property(L
 
         return get_computed_value(property_id);
     }
-    case PropertyID::StopOpacity: {
-        auto opacity = layout_node.computed_values().stop_opacity();
-        return NumberStyleValue::create(opacity);
-    }
     case PropertyID::StrokeOpacity: {
         auto opacity = layout_node.computed_values().stroke_opacity();
         return NumberStyleValue::create(opacity);
diff --git a/Libraries/LibWeb/CSS/ComputedProperties.cpp b/Libraries/LibWeb/CSS/ComputedProperties.cpp
index 1afd20f44a1..c83dfe0afb1 100644
--- a/Libraries/LibWeb/CSS/ComputedProperties.cpp
+++ b/Libraries/LibWeb/CSS/ComputedProperties.cpp
@@ -515,8 +515,7 @@ float ComputedProperties::stroke_opacity() const
 
 float ComputedProperties::stop_opacity() const
 {
-    auto const& value = property(PropertyID::StopOpacity);
-    return resolve_opacity_value(value);
+    return property(PropertyID::StopOpacity).as_number().number();
 }
 
 FillRule ComputedProperties::fill_rule() const
diff --git a/Libraries/LibWeb/CSS/StyleComputer.cpp b/Libraries/LibWeb/CSS/StyleComputer.cpp
index ba7b52e1df8..5aee74fcd80 100644
--- a/Libraries/LibWeb/CSS/StyleComputer.cpp
+++ b/Libraries/LibWeb/CSS/StyleComputer.cpp
@@ -3285,6 +3285,7 @@ NonnullRefPtr<StyleValue const> StyleComputer::compute_value_of_property(Propert
         return compute_border_or_outline_width(specified_value, get_property_specified_value(PropertyID::OutlineStyle), computation_context);
     case PropertyID::FillOpacity:
     case PropertyID::Opacity:
+    case PropertyID::StopOpacity:
         return compute_opacity(specified_value, computation_context);
     default:
         // FIXME: We should replace this with a VERIFY_NOT_REACHED() once all properties have their own handling.