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ots: update to 5.2.0

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This commit is contained in:
Roy Tam 2019-02-22 21:48:44 +08:00
commit 7b436ee364
85 changed files with 7618 additions and 2539 deletions
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43
gfx/ots/src/fpgm.cc
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@ -1,4 +1,4 @@
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Copyright (c) 2009-2017 The OTS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@ -7,53 +7,36 @@
// fpgm - Font Program
// http://www.microsoft.com/typography/otspec/fpgm.htm
#define TABLE_NAME "fpgm"
namespace ots {
bool ots_fpgm_parse(Font *font, const uint8_t *data, size_t length) {
bool OpenTypeFPGM::Parse(const uint8_t *data, size_t length) {
Buffer table(data, length);
OpenTypeFPGM *fpgm = new OpenTypeFPGM;
font->fpgm = fpgm;
if (length >= 128 * 1024u) {
return OTS_FAILURE_MSG("length (%ld) > 120", length); // almost all fpgm tables are less than 5k bytes.
return Error("length (%ld) > 120", length); // almost all fpgm tables are less than 5k bytes.
}
if (!table.Skip(length)) {
return OTS_FAILURE_MSG("Bad fpgm length");
return Error("Bad table length");
}
fpgm->data = data;
fpgm->length = length;
this->data = data;
this->length = length;
return true;
}
bool ots_fpgm_should_serialise(Font *font) {
if (!font->glyf) return false; // this table is not for CFF fonts.
return font->fpgm != NULL;
}
bool ots_fpgm_serialise(OTSStream *out, Font *font) {
const OpenTypeFPGM *fpgm = font->fpgm;
if (!out->Write(fpgm->data, fpgm->length)) {
return OTS_FAILURE_MSG("Failed to write fpgm");
bool OpenTypeFPGM::Serialize(OTSStream *out) {
if (!out->Write(this->data, this->length)) {
return Error("Failed to write fpgm table");
}
return true;
}
void ots_fpgm_reuse(Font *font, Font *other) {
font->fpgm = other->fpgm;
font->fpgm_reused = true;
}
void ots_fpgm_free(Font *font) {
delete font->fpgm;
bool OpenTypeFPGM::ShouldSerialize() {
return Table::ShouldSerialize() &&
// this table is not for CFF fonts.
GetFont()->GetTable(OTS_TAG_GLYF) != NULL;
}
} // namespace ots
#undef TABLE_NAME