chromium/third_party/pdfium/core/fpdfapi/font/cfx_cttgsubtable.cpp

// Copyright 2014 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "core/fpdfapi/font/cfx_cttgsubtable.h"

#include <stdint.h>

#include <utility>

#include "core/fxcrt/byteorder.h"
#include "core/fxcrt/data_vector.h"
#include "core/fxcrt/stl_util.h"
#include "core/fxge/cfx_fontmapper.h"

namespace {

bool IsVerticalFeatureTag(uint32_t tag) { … }

}  // namespace

CFX_CTTGSUBTable::CFX_CTTGSUBTable(pdfium::span<const uint8_t> gsub) { … }

CFX_CTTGSUBTable::~CFX_CTTGSUBTable() = default;

bool CFX_CTTGSUBTable::LoadGSUBTable(pdfium::span<const uint8_t> gsub) { … }

uint32_t CFX_CTTGSUBTable::GetVerticalGlyph(uint32_t glyphnum) const { … }

std::optional<uint32_t> CFX_CTTGSUBTable::GetVerticalGlyphSub(
    const FeatureRecord& feature,
    uint32_t glyphnum) const { … }

std::optional<uint32_t> CFX_CTTGSUBTable::GetVerticalGlyphSub2(
    const Lookup& lookup,
    uint32_t glyphnum) const { … }

int CFX_CTTGSUBTable::GetCoverageIndex(const CoverageFormat& coverage,
                                       uint32_t g) const { … }

uint8_t CFX_CTTGSUBTable::GetUInt8(pdfium::span<const uint8_t>& p) const { … }

int16_t CFX_CTTGSUBTable::GetInt16(pdfium::span<const uint8_t>& p) const { … }

uint16_t CFX_CTTGSUBTable::GetUInt16(pdfium::span<const uint8_t>& p) const { … }

int32_t CFX_CTTGSUBTable::GetInt32(pdfium::span<const uint8_t>& p) const { … }

uint32_t CFX_CTTGSUBTable::GetUInt32(pdfium::span<const uint8_t>& p) const { … }

void CFX_CTTGSUBTable::Parse(pdfium::span<const uint8_t> scriptlist,
                             pdfium::span<const uint8_t> featurelist,
                             pdfium::span<const uint8_t> lookuplist) { … }

void CFX_CTTGSUBTable::ParseScriptList(pdfium::span<const uint8_t> raw) { … }

CFX_CTTGSUBTable::ScriptRecord CFX_CTTGSUBTable::ParseScript(
    pdfium::span<const uint8_t> raw) { … }

CFX_CTTGSUBTable::FeatureIndices CFX_CTTGSUBTable::ParseLangSys(
    pdfium::span<const uint8_t> raw) { … }

void CFX_CTTGSUBTable::ParseFeatureList(pdfium::span<const uint8_t> raw) { … }

DataVector<uint16_t> CFX_CTTGSUBTable::ParseFeatureLookupListIndices(
    pdfium::span<const uint8_t> raw) { … }

void CFX_CTTGSUBTable::ParseLookupList(pdfium::span<const uint8_t> raw) { … }

CFX_CTTGSUBTable::Lookup CFX_CTTGSUBTable::ParseLookup(
    pdfium::span<const uint8_t> raw) { … }

CFX_CTTGSUBTable::CoverageFormat CFX_CTTGSUBTable::ParseCoverage(
    pdfium::span<const uint8_t> raw) { … }

CFX_CTTGSUBTable::SubTable CFX_CTTGSUBTable::ParseSingleSubst(
    pdfium::span<const uint8_t> raw) { … }

CFX_CTTGSUBTable::FeatureRecord::FeatureRecord() = default;

CFX_CTTGSUBTable::FeatureRecord::~FeatureRecord() = default;

CFX_CTTGSUBTable::RangeRecord::RangeRecord() = default;

CFX_CTTGSUBTable::SubTable::SubTable() = default;

CFX_CTTGSUBTable::SubTable::SubTable(SubTable&& that) noexcept = default;

CFX_CTTGSUBTable::SubTable& CFX_CTTGSUBTable::SubTable::operator=(
    SubTable&& that) noexcept = default;

CFX_CTTGSUBTable::SubTable::~SubTable() = default;

CFX_CTTGSUBTable::Lookup::Lookup() = default;

CFX_CTTGSUBTable::Lookup::Lookup(Lookup&& that) noexcept = default;

CFX_CTTGSUBTable::Lookup& CFX_CTTGSUBTable::Lookup::operator=(
    Lookup&& that) noexcept = default;

CFX_CTTGSUBTable::Lookup::~Lookup() = default;