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