1// Copyright (c) 2009 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "hmtx.h" 6 7#include "hhea.h" 8#include "maxp.h" 9 10// hmtx - Horizontal Metrics 11// http://www.microsoft.com/opentype/otspec/hmtx.htm 12 13namespace ots { 14 15bool ots_hmtx_parse(OpenTypeFile *file, const uint8_t *data, size_t length) { 16 Buffer table(data, length); 17 OpenTypeHMTX *hmtx = new OpenTypeHMTX; 18 file->hmtx = hmtx; 19 20 if (!file->hhea || !file->maxp) { 21 return OTS_FAILURE(); 22 } 23 24 if (!ParseMetricsTable(&table, file->maxp->num_glyphs, 25 &file->hhea->header, &hmtx->metrics)) { 26 return OTS_FAILURE(); 27 } 28 29 return true; 30} 31 32bool ots_hmtx_should_serialise(OpenTypeFile *file) { 33 return file->hmtx != NULL; 34} 35 36bool ots_hmtx_serialise(OTSStream *out, OpenTypeFile *file) { 37 if (!SerialiseMetricsTable(out, &file->hmtx->metrics)) { 38 return OTS_FAILURE(); 39 } 40 return true; 41} 42 43void ots_hmtx_free(OpenTypeFile *file) { 44 delete file->hmtx; 45} 46 47} // namespace ots 48