1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/ots/src/hhea.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,51 @@
1.4 +// Copyright (c) 2009 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#include "hhea.h"
1.9 +
1.10 +#include "head.h"
1.11 +#include "maxp.h"
1.12 +
1.13 +// hhea - Horizontal Header
1.14 +// http://www.microsoft.com/typography/otspec/hhea.htm
1.15 +
1.16 +#define TABLE_NAME "hhea"
1.17 +
1.18 +namespace ots {
1.19 +
1.20 +bool ots_hhea_parse(OpenTypeFile *file, const uint8_t *data, size_t length) {
1.21 + Buffer table(data, length);
1.22 + OpenTypeHHEA *hhea = new OpenTypeHHEA;
1.23 + file->hhea = hhea;
1.24 +
1.25 + if (!table.ReadU32(&hhea->header.version)) {
1.26 + return OTS_FAILURE_MSG("Failed to read hhea version");
1.27 + }
1.28 + if (hhea->header.version >> 16 != 1) {
1.29 + return OTS_FAILURE_MSG("Bad hhea version of %d", hhea->header.version);
1.30 + }
1.31 +
1.32 + if (!ParseMetricsHeader(file, &table, &hhea->header)) {
1.33 + return OTS_FAILURE_MSG("Failed to parse horizontal metrics");
1.34 + }
1.35 +
1.36 + return true;
1.37 +}
1.38 +
1.39 +bool ots_hhea_should_serialise(OpenTypeFile *file) {
1.40 + return file->hhea != NULL;
1.41 +}
1.42 +
1.43 +bool ots_hhea_serialise(OTSStream *out, OpenTypeFile *file) {
1.44 + if (!SerialiseMetricsHeader(file, out, &file->hhea->header)) {
1.45 + return OTS_FAILURE_MSG("Failed to serialise horizontal metrics");
1.46 + }
1.47 + return true;
1.48 +}
1.49 +
1.50 +void ots_hhea_free(OpenTypeFile *file) {
1.51 + delete file->hhea;
1.52 +}
1.53 +
1.54 +} // namespace ots
