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LibWeb/CSS: Absolutize values while computing font variation settings

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Makes the `compute_font_variation_settings` function match other
`compute_font_*` by absolutizing values passed into them. It resolves a
crash related to using `siblings-count` inside `font-variation-settings`

Co-authored-by: Sam Atkins <sam@ladybird.org>
This commit is contained in:
norbiros 2025-10-28 11:05:31 +01:00 • committed by Alexander Kalenik
parent 3829a85fde
commit d8e80718d7
Notes: github-actions[bot] 2025-11-04 20:46:23 +00:00
2 changed files with 11 additions and 3 deletions
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12
Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -2008,6 +2008,12 @@ void StyleComputer::compute_font(ComputedProperties& style, Optional<DOM::Abstra
PropertyID::FontStyle,
compute_font_style(font_style_specified_value, font_computation_context));
auto const& font_variation_settings_value = style.property(PropertyID::FontVariationSettings, ComputedProperties::WithAnimationsApplied::No);
style.set_property_without_modifying_flags(
PropertyID::FontVariationSettings,
compute_font_variation_settings(font_variation_settings_value, font_computation_context));
auto const& font_family = style.property(CSS::PropertyID::FontFamily);
auto font_list = compute_font_for_style_values(font_family, style.font_size(), style.font_slope(), style.font_weight(), style.font_width(), style.font_variation_settings().value_or({}), font_computation_context.length_resolution_context);
@ -3147,7 +3153,7 @@ NonnullRefPtr<StyleValue const> StyleComputer::compute_value_of_property(
case PropertyID::CornerTopRightShape:
return compute_corner_shape(absolutized_value);
case PropertyID::FontVariationSettings:
return compute_font_variation_settings(absolutized_value);
return compute_font_variation_settings(absolutized_value, computation_context);
case PropertyID::LetterSpacing:
case PropertyID::WordSpacing:
if (absolutized_value->to_keyword() == Keyword::Normal)
@ -3194,8 +3200,10 @@ NonnullRefPtr<StyleValue const> StyleComputer::compute_animation_name(NonnullRef
});
}
NonnullRefPtr<StyleValue const> StyleComputer::compute_font_variation_settings(NonnullRefPtr<StyleValue const> const& absolutized_value)
NonnullRefPtr<StyleValue const> StyleComputer::compute_font_variation_settings(NonnullRefPtr<StyleValue const> const& specified_value, ComputationContext const& computation_context)
{
auto const& absolutized_value = specified_value->absolutized(computation_context);
if (absolutized_value->is_keyword())
return absolutized_value;