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40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
// Copyright (c) 2011-2017 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 "vhea.h"
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#include "head.h"
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#include "maxp.h"
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// vhea - Vertical Header Table
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// http://www.microsoft.com/typography/otspec/vhea.htm
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namespace ots {
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bool OpenTypeVHEA::Parse(const uint8_t *data, size_t length) {
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Buffer table(data, length);
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if (!table.ReadU32(&this->version)) {
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return Error("Failed to read version");
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}
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if (this->version != 0x00010000 &&
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this->version != 0x00011000) {
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return Error("Unsupported table version: 0x%x", this->version);
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}
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return OpenTypeMetricsHeader::Parse(data, length);
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}
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bool OpenTypeVHEA::Serialize(OTSStream *out) {
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return OpenTypeMetricsHeader::Serialize(out);
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}
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bool OpenTypeVHEA::ShouldSerialize() {
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return OpenTypeMetricsHeader::ShouldSerialize() &&
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// vhea shouldn't serialise when vmtx doesn't exist.
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GetFont()->GetTable(OTS_TAG_VMTX) != NULL;
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}
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} // namespace ots
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