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44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
// Copyright (c) 2009-2017 The OTS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "prep.h"
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// prep - Control Value Program
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// http://www.microsoft.com/typography/otspec/prep.htm
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namespace ots {
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bool OpenTypePREP::Parse(const uint8_t *data, size_t length) {
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Buffer table(data, length);
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if (length >= 128 * 1024u) {
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// almost all prep tables are less than 9k bytes.
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return Error("Table length %ld > 120K", length);
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}
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if (!table.Skip(length)) {
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return Error("Failed to read table of length %ld", length);
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}
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this->m_data = data;
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this->m_length = length;
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return true;
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}
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bool OpenTypePREP::Serialize(OTSStream *out) {
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if (!out->Write(this->m_data, this->m_length)) {
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return Error("Failed to write table length");
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}
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return true;
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}
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bool OpenTypePREP::ShouldSerialize() {
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return Table::ShouldSerialize() &&
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// this table is not for CFF fonts.
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GetFont()->GetTable(OTS_TAG_GLYF) != NULL;
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}
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} // namespace ots
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