chromium/third_party/skia/src/codec/SkExif.cpp

/*
 * Copyright 2023 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/private/SkExif.h"

#include "include/core/SkData.h"
#include "include/core/SkRefCnt.h"
#include "src/codec/SkTiffUtility.h"

#include <algorithm>
#include <cmath>
#include <cstring>
#include <memory>
#include <utility>

namespace SkExif {

constexpr uint16_t kSubIFDOffsetTag = …;
constexpr uint16_t kMarkerNoteTag = …;

static std::optional<float> get_maker_note_hdr_headroom(sk_sp<SkData> data) { … }

static void parse_ifd(Metadata& exif,
                      sk_sp<SkData> data,
                      std::unique_ptr<SkTiff::ImageFileDirectory> ifd,
                      bool littleEndian,
                      bool isRoot) { … }

void Parse(Metadata& metadata, const SkData* data) { … }

}  // namespace SkExif