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LibWeb: Resolve style for box-shadow and text-shadow

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Sam Atkins 2023-09-29 13:53:47 +01:00 • committed by Sam Atkins
parent 44836cd8ed
commit 33e4a35d2d
1 changed files with 32 additions and 1 deletions
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33
Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
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@ -158,6 +158,32 @@ static RefPtr<StyleValue const> style_value_for_length_box_logical_side(Layout::
VERIFY_NOT_REACHED(); VERIFY_NOT_REACHED();
} }
static RefPtr<StyleValue const> style_value_for_shadow(Vector<ShadowData> const& shadow_data)
{
if (shadow_data.is_empty())
return IdentifierStyleValue::create(ValueID::None);
auto make_shadow_style_value = [](ShadowData const& shadow) {
return ShadowStyleValue::create(
shadow.color,
style_value_for_length_percentage(shadow.offset_x),
style_value_for_length_percentage(shadow.offset_y),
style_value_for_length_percentage(shadow.blur_radius),
style_value_for_length_percentage(shadow.spread_distance),
shadow.placement);
};
if (shadow_data.size() == 1)
return make_shadow_style_value(shadow_data.first());
StyleValueVector style_values;
style_values.ensure_capacity(shadow_data.size());
for (auto& shadow : shadow_data)
style_values.unchecked_append(make_shadow_style_value(shadow));
return StyleValueList::create(move(style_values), StyleValueList::Separator::Comma);
}
RefPtr<StyleValue const> ResolvedCSSStyleDeclaration::style_value_for_property(Layout::NodeWithStyle const& layout_node, PropertyID property_id) const RefPtr<StyleValue const> ResolvedCSSStyleDeclaration::style_value_for_property(Layout::NodeWithStyle const& layout_node, PropertyID property_id) const
{ {
// A limited number of properties have special rules for producing their "resolved value". // A limited number of properties have special rules for producing their "resolved value".
@ -176,7 +202,7 @@ RefPtr<StyleValue const> ResolvedCSSStyleDeclaration::style_value_for_property(L
// -> border-left-color // -> border-left-color
// -> border-right-color // -> border-right-color
// -> border-top-color // -> border-top-color
// FIXME: -> box-shadow // -> box-shadow
// FIXME: -> caret-color // FIXME: -> caret-color
// -> color // -> color
// -> outline-color // -> outline-color
@ -192,12 +218,17 @@ RefPtr<StyleValue const> ResolvedCSSStyleDeclaration::style_value_for_property(L
return ColorStyleValue::create(layout_node.computed_values().border_right().color); return ColorStyleValue::create(layout_node.computed_values().border_right().color);
case PropertyID::BorderTopColor: case PropertyID::BorderTopColor:
return ColorStyleValue::create(layout_node.computed_values().border_top().color); return ColorStyleValue::create(layout_node.computed_values().border_top().color);
case PropertyID::BoxShadow:
return style_value_for_shadow(layout_node.computed_values().box_shadow());
case PropertyID::Color: case PropertyID::Color:
return ColorStyleValue::create(layout_node.computed_values().color()); return ColorStyleValue::create(layout_node.computed_values().color());
case PropertyID::OutlineColor: case PropertyID::OutlineColor:
return ColorStyleValue::create(layout_node.computed_values().outline_color()); return ColorStyleValue::create(layout_node.computed_values().outline_color());
case PropertyID::TextDecorationColor: case PropertyID::TextDecorationColor:
return ColorStyleValue::create(layout_node.computed_values().text_decoration_color()); return ColorStyleValue::create(layout_node.computed_values().text_decoration_color());
// NOTE: text-shadow isn't listed, but is computed the same as box-shadow.
case PropertyID::TextShadow:
return style_value_for_shadow(layout_node.computed_values().text_shadow());
// -> line-height // -> line-height
// The resolved value is normal if the computed value is normal, or the used value otherwise. // The resolved value is normal if the computed value is normal, or the used value otherwise.