// Copyright (c) 2009-2017 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 "cvt.h"
// cvt - Control Value Table
// http://www.microsoft.com/typography/otspec/cvt.htm
namespace ots {
bool OpenTypeCVT::Parse(
const uint8_t *data, size_t length) {
Buffer table(data, length);
if (length >=
128 *
1024u) {
return Error(
"Length (%d) > 120K");
// almost all cvt tables are less than 4k bytes.
}
if (length %
2 !=
0) {
return Error(
"Uneven table length (%d)", length);
}
if (!table.Skip(length)) {
return Error(
"Table length too high");
}
this->data = data;
this->length = length;
return true;
}
bool OpenTypeCVT::Serialize(OTSStream *out) {
if (!out->Write(
this->data,
this->length)) {
return Error(
"Failed to write cvt table");
}
return true;
}
bool OpenTypeCVT::ShouldSerialize() {
return Table::ShouldSerialize() &&
// this table is not for CFF fonts.
GetFont()->GetTable(OTS_TAG_GLYF) != NULL;
}
}
// namespace ots
