diff -r 000000000000 -r 6474c204b198 gfx/ots/src/hhea.cc --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gfx/ots/src/hhea.cc Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,51 @@ +// Copyright (c) 2009 The Chromium 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 "hhea.h" + +#include "head.h" +#include "maxp.h" + +// hhea - Horizontal Header +// http://www.microsoft.com/typography/otspec/hhea.htm + +#define TABLE_NAME "hhea" + +namespace ots { + +bool ots_hhea_parse(OpenTypeFile *file, const uint8_t *data, size_t length) { + Buffer table(data, length); + OpenTypeHHEA *hhea = new OpenTypeHHEA; + file->hhea = hhea; + + if (!table.ReadU32(&hhea->header.version)) { + return OTS_FAILURE_MSG("Failed to read hhea version"); + } + if (hhea->header.version >> 16 != 1) { + return OTS_FAILURE_MSG("Bad hhea version of %d", hhea->header.version); + } + + if (!ParseMetricsHeader(file, &table, &hhea->header)) { + return OTS_FAILURE_MSG("Failed to parse horizontal metrics"); + } + + return true; +} + +bool ots_hhea_should_serialise(OpenTypeFile *file) { + return file->hhea != NULL; +} + +bool ots_hhea_serialise(OTSStream *out, OpenTypeFile *file) { + if (!SerialiseMetricsHeader(file, out, &file->hhea->header)) { + return OTS_FAILURE_MSG("Failed to serialise horizontal metrics"); + } + return true; +} + +void ots_hhea_free(OpenTypeFile *file) { + delete file->hhea; +} + +} // namespace ots