| // 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 "fpgm.h" |
| |
| // fpgm - Font Program |
| // http://www.microsoft.com/typography/otspec/fpgm.htm |
| |
| #define TABLE_NAME "fpgm" |
| |
| namespace ots { |
| |
| bool ots_fpgm_parse(OpenTypeFile *file, const uint8_t *data, size_t length) { |
| Buffer table(data, length); |
| |
| OpenTypeFPGM *fpgm = new OpenTypeFPGM; |
| file->fpgm = fpgm; |
| |
| if (length >= 128 * 1024u) { |
| return OTS_FAILURE_MSG("length (%ld) > 120", length); // almost all fpgm tables are less than 5k bytes. |
| } |
| |
| if (!table.Skip(length)) { |
| return OTS_FAILURE_MSG("Bad fpgm length"); |
| } |
| |
| fpgm->data = data; |
| fpgm->length = length; |
| return true; |
| } |
| |
| bool ots_fpgm_should_serialise(OpenTypeFile *file) { |
| if (!file->glyf) return false; // this table is not for CFF fonts. |
| return file->fpgm != NULL; |
| } |
| |
| bool ots_fpgm_serialise(OTSStream *out, OpenTypeFile *file) { |
| const OpenTypeFPGM *fpgm = file->fpgm; |
| |
| if (!out->Write(fpgm->data, fpgm->length)) { |
| return OTS_FAILURE_MSG("Failed to write fpgm"); |
| } |
| |
| return true; |
| } |
| |
| void ots_fpgm_free(OpenTypeFile *file) { |
| delete file->fpgm; |
| } |
| |
| } // namespace ots |
| |
| #undef TABLE_NAME |