chromium/third_party/skia/src/core/SkFontStream.cpp

/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/core/SkStream.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkMalloc.h"
#include "src/base/SkAutoMalloc.h"
#include "src/base/SkEndian.h"
#include "src/core/SkFontStream.h"

#include <cstdint>

struct SkSFNTHeader { … };

struct SkTTCFHeader { … };

SkSharedTTHeader;

struct SkSFNTDirEntry { … };

static bool read(SkStream* stream, void* buffer, size_t amount) { … }

static bool skip(SkStream* stream, size_t amount) { … }

/** Return the number of tables, or if this is a TTC (collection), return the
    number of tables in the first element of the collection. In either case,
    if offsetToDir is not-null, set it to the offset to the beginning of the
    table headers (SkSFNTDirEntry), relative to the start of the stream.

    On an error, return 0 for number of tables, and ignore offsetToDir
 */
static int count_tables(SkStream* stream, int ttcIndex, size_t* offsetToDir) { … }

///////////////////////////////////////////////////////////////////////////////

struct SfntHeader { … };

///////////////////////////////////////////////////////////////////////////////

int SkFontStream::CountTTCEntries(SkStream* stream) { … }

int SkFontStream::GetTableTags(SkStream* stream, int ttcIndex,
                               SkFontTableTag tags[]) { … }

size_t SkFontStream::GetTableData(SkStream* stream, int ttcIndex,
                                  SkFontTableTag tag,
                                  size_t offset, size_t length, void* data) { … }