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https://github.com/LadybirdBrowser/ladybird
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afc6b7b24c
This is only ever used in the CSS namespace and having it there allows us to reuse existing enums
104 lines
4.0 KiB
C++
104 lines
4.0 KiB
C++
/*
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* Copyright (c) 2024, Johan Dahlin <jdahlin@gmail.com>
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* Copyright (c) 2026, Callum Law <callumlaw1709@outlook.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/FlyString.h>
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#include <AK/HashMap.h>
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#include <LibGfx/Font/FontVariant.h>
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#include <LibGfx/ShapeFeature.h>
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#include <LibWeb/Forward.h>
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#pragma once
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namespace Web::CSS {
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struct FontVariantEastAsian {
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bool ruby = false;
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Optional<EastAsianVariant> variant;
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Optional<EastAsianWidth> width;
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bool operator==(FontVariantEastAsian const&) const = default;
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};
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struct FontVariantLigatures {
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bool none = false;
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Optional<CommonLigValue> common {};
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Optional<DiscretionaryLigValue> discretionary {};
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Optional<HistoricalLigValue> historical {};
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Optional<ContextualAltValue> contextual {};
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bool operator==(FontVariantLigatures const&) const = default;
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};
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struct FontFeatureData {
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Optional<Gfx::FontVariantAlternates> font_variant_alternates;
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FontVariantCaps font_variant_caps;
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Optional<FontVariantEastAsian> font_variant_east_asian;
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FontVariantEmoji font_variant_emoji;
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Optional<FontVariantLigatures> font_variant_ligatures;
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Optional<Gfx::FontVariantNumeric> font_variant_numeric;
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FontVariantPosition font_variant_position;
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HashMap<FlyString, u8> font_feature_settings;
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FontKerning font_kerning;
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TextRendering text_rendering;
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Gfx::ShapeFeatures to_shape_features() const;
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bool operator==(FontFeatureData const& other) const = default;
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};
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}
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namespace AK {
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template<>
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struct Traits<Web::CSS::FontVariantEastAsian> : public DefaultTraits<Web::CSS::FontVariantEastAsian> {
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static unsigned hash(Web::CSS::FontVariantEastAsian const& data)
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{
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u32 hash = data.ruby ? 1 : 0;
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hash = pair_int_hash(hash, data.variant.has_value() ? to_underlying(data.variant.value()) : -1);
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hash = pair_int_hash(hash, data.width.has_value() ? to_underlying(data.width.value()) : -1);
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return hash;
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}
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};
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template<>
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struct Traits<Web::CSS::FontVariantLigatures> : public DefaultTraits<Web::CSS::FontVariantLigatures> {
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static unsigned hash(Web::CSS::FontVariantLigatures const& data)
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{
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u32 hash = data.none ? 1 : 0;
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hash = pair_int_hash(hash, data.common.has_value() ? to_underlying(data.common.value()) : -1);
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hash = pair_int_hash(hash, data.discretionary.has_value() ? to_underlying(data.discretionary.value()) : -1);
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hash = pair_int_hash(hash, data.historical.has_value() ? to_underlying(data.historical.value()) : -1);
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hash = pair_int_hash(hash, data.contextual.has_value() ? to_underlying(data.contextual.value()) : -1);
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return hash;
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}
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};
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template<>
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struct Traits<Web::CSS::FontFeatureData> : public DefaultTraits<Web::CSS::FontFeatureData> {
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static unsigned hash(Web::CSS::FontFeatureData const& data)
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{
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u32 hash = 0;
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hash = pair_int_hash(hash, data.font_variant_alternates.has_value() ? Traits<Gfx::FontVariantAlternates>::hash(data.font_variant_alternates.value()) : -1);
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hash = pair_int_hash(hash, to_underlying(data.font_variant_caps));
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hash = pair_int_hash(hash, data.font_variant_east_asian.has_value() ? Traits<Web::CSS::FontVariantEastAsian>::hash(data.font_variant_east_asian.value()) : -1);
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hash = pair_int_hash(hash, to_underlying(data.font_variant_emoji));
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hash = pair_int_hash(hash, data.font_variant_ligatures.has_value() ? Traits<Web::CSS::FontVariantLigatures>::hash(data.font_variant_ligatures.value()) : -1);
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hash = pair_int_hash(hash, data.font_variant_numeric.has_value() ? Traits<Gfx::FontVariantNumeric>::hash(data.font_variant_numeric.value()) : -1);
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hash = pair_int_hash(hash, to_underlying(data.font_variant_position));
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hash = pair_int_hash(hash, to_underlying(data.font_kerning));
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hash = pair_int_hash(hash, to_underlying(data.text_rendering));
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for (auto const& [key, value] : data.font_feature_settings)
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hash = pair_int_hash(hash, pair_int_hash(key.hash(), value));
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return hash;
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}
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};
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}
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