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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
namespace pdf {
// GetFontTable loads a specified font table from an open SFNT file.
// fd: a file descriptor to the SFNT file. The position doesn't matter.
// table_tag: the table tag in *big-endian* format, or 0 for the entire font.
// offset: offset into the table or entire font where loading should start.
// The offset must be between 0 and 1 GB - 1.
// output: a buffer of size output_length that gets the data. can be 0, in
// which case output_length will be set to the required size in bytes.
// output_length: size of output, if it's not 0.
// returns: true on success.
bool GetFontTable(int fd,
uint32_t table_tag,
off_t offset,
uint8_t* output,
size_t* output_length);
} // namespace pdf