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LibWeb: Apply HTMLFontElement's face attribute's presentational hint
Fixes font selection on https://stagsnet.net/
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parent
e33174fca1
commit
ee6dbcc96e
Notes:
github-actions[bot]
2025-04-01 01:51:28 +00:00
Author: https://github.com/Lubrsi
Commit: ee6dbcc96e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4158
Reviewed-by: https://github.com/gmta
4 changed files with 27 additions and 4 deletions
Libraries/LibWeb/HTML
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@ -125,12 +125,12 @@ bool HTMLFontElement::is_presentational_hint(FlyString const& name) const
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void HTMLFontElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
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{
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for_each_attribute([&](auto& name, auto& value) {
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if (name.equals_ignoring_ascii_case("color"sv)) {
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if (name == AttributeNames::color) {
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// https://html.spec.whatwg.org/multipage/rendering.html#phrasing-content-3:rules-for-parsing-a-legacy-colour-value
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auto color = parse_legacy_color_value(value);
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if (color.has_value())
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::Color, CSS::CSSColorValue::create_from_color(color.value(), CSS::ColorSyntax::Legacy));
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} else if (name.equals_ignoring_ascii_case("size"sv)) {
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} else if (name == AttributeNames::size) {
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// When a font element has a size attribute, the user agent is expected to use the following steps, known as the rules for parsing a legacy font size, to treat the attribute as a presentational hint setting the element's 'font-size' property:
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auto font_size_or_empty = parse_legacy_font_size(value);
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if (font_size_or_empty.has_value()) {
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@ -138,6 +138,10 @@ void HTMLFontElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties
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if (auto parsed_value = parse_css_value(CSS::Parser::ParsingParams { document() }, font_size, CSS::PropertyID::FontSize))
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::FontSize, parsed_value.release_nonnull());
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}
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} else if (name == AttributeNames::face) {
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// When a font element has a face attribute, the user agent is expected to treat the attribute as a presentational hint setting the element's 'font-family' property to the attribute's value.
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if (auto parsed_value = parse_css_value(CSS::Parser::ParsingParams { document() }, value, CSS::PropertyID::FontFamily))
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::FontFamily, parsed_value.release_nonnull());
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}
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});
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}
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