chromium/third_party/blink/renderer/platform/fonts/font_variant_alternates.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/platform/fonts/font_variant_alternates.h"
#include "third_party/blink/renderer/platform/wtf/hash_functions.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string_hash.h"

#include <hb.h>

namespace blink {

FontVariantAlternates::FontVariantAlternates() = default;

namespace {
constexpr uint32_t kSwshTag = …;
constexpr uint32_t kCswhTag = …;
constexpr uint32_t kHistTag = …;
constexpr uint32_t kSaltTag = …;
constexpr uint32_t kNaltTag = …;
constexpr uint32_t kOrnmTag = …;

constexpr uint32_t kMaxTag = …;

uint32_t NumberedTag(uint32_t base_tag, uint32_t number) { … }

uint32_t ssTag(uint32_t number) { … }

uint32_t cvTag(uint32_t number) { … }
}  // namespace

const ResolvedFontFeatures& FontVariantAlternates::GetResolvedFontFeatures()
    const { … }

scoped_refptr<FontVariantAlternates> FontVariantAlternates::Clone(
    const FontVariantAlternates& other) { … }

bool FontVariantAlternates::IsNormal() const { … }

void FontVariantAlternates::SetStylistic(AtomicString stylistic) { … }

void FontVariantAlternates::SetHistoricalForms() { … }

void FontVariantAlternates::SetSwash(AtomicString swash) { … }

void FontVariantAlternates::SetOrnaments(AtomicString ornaments) { … }

void FontVariantAlternates::SetAnnotation(AtomicString annotation) { … }

void FontVariantAlternates::SetStyleset(Vector<AtomicString> styleset) { … }

void FontVariantAlternates::SetCharacterVariant(
    Vector<AtomicString> character_variant) { … }

scoped_refptr<FontVariantAlternates> FontVariantAlternates::Resolve(
    ResolverFunction resolve_stylistic,
    ResolverFunction resolve_styleset,
    ResolverFunction resolve_character_variant,
    ResolverFunction resolve_swash,
    ResolverFunction resolve_ornaments,
    ResolverFunction resolve_annotation) const { … }

unsigned FontVariantAlternates::GetHash() const { … }

bool FontVariantAlternates::operator==(
    const FontVariantAlternates& other) const { … }

}  // namespace blink