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LibWeb/CSS: Parse and propagate font-variation-settings property

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Sam Atkins 2024-10-01 09:20:06 +01:00 • committed by Sam Atkins
commit 55812aaed2
Notes: github-actions[bot] 2024-10-02 15:37:43 +00:00
8 changed files with 102 additions and 2 deletions
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30
Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2018-2024, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2021-2024, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -23,6 +23,7 @@
#include <LibWeb/CSS/StyleValues/LengthStyleValue.h>
#include <LibWeb/CSS/StyleValues/MathDepthStyleValue.h>
#include <LibWeb/CSS/StyleValues/NumberStyleValue.h>
#include <LibWeb/CSS/StyleValues/OpenTypeTaggedStyleValue.h>
#include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
#include <LibWeb/CSS/StyleValues/PositionStyleValue.h>
#include <LibWeb/CSS/StyleValues/RectStyleValue.h>
@ -1027,6 +1028,33 @@ Optional<FlyString> StyleProperties::font_language_override() const
return {};
}
Optional<HashMap<FlyString, NumberOrCalculated>> StyleProperties::font_variation_settings() const
{
auto value = property(CSS::PropertyID::FontVariationSettings);
if (value->is_keyword())
return {}; // normal
if (value->is_value_list()) {
auto const& axis_tags = value->as_value_list().values();
HashMap<FlyString, NumberOrCalculated> result;
result.ensure_capacity(axis_tags.size());
for (auto const& tag_value : axis_tags) {
auto const& axis_tag = tag_value->as_open_type_tagged();
if (axis_tag.value()->is_number()) {
result.set(axis_tag.tag(), axis_tag.value()->as_number().value());
} else {
VERIFY(axis_tag.value()->is_math());
result.set(axis_tag.tag(), NumberOrCalculated { axis_tag.value()->as_math() });
}
}
return result;
}
return {};
}
CSS::GridTrackSizeList StyleProperties::grid_auto_columns() const
{
auto value = property(CSS::PropertyID::GridAutoColumns);