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https://github.com/roytam1/palemoon27.git
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trav90
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "fpgm.h"
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// fpgm - Font Program
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// http://www.microsoft.com/typography/otspec/fpgm.htm
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#define TABLE_NAME "fpgm"
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namespace ots {
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bool ots_fpgm_parse(Font *font, const uint8_t *data, size_t length) {
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Buffer table(data, length);
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OpenTypeFPGM *fpgm = new OpenTypeFPGM;
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font->fpgm = fpgm;
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if (length >= 128 * 1024u) {
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return OTS_FAILURE_MSG("length (%ld) > 120", length); // almost all fpgm tables are less than 5k bytes.
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}
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if (!table.Skip(length)) {
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return OTS_FAILURE_MSG("Bad fpgm length");
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}
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fpgm->data = data;
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fpgm->length = length;
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return true;
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}
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bool ots_fpgm_should_serialise(Font *font) {
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if (!font->glyf) return false; // this table is not for CFF fonts.
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return font->fpgm != NULL;
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}
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bool ots_fpgm_serialise(OTSStream *out, Font *font) {
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const OpenTypeFPGM *fpgm = font->fpgm;
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if (!out->Write(fpgm->data, fpgm->length)) {
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return OTS_FAILURE_MSG("Failed to write fpgm");
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}
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return true;
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}
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void ots_fpgm_reuse(Font *font, Font *other) {
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font->fpgm = other->fpgm;
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font->fpgm_reused = true;
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}
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void ots_fpgm_free(Font *font) {
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delete font->fpgm;
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}
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} // namespace ots
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#undef TABLE_NAME
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