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Diffstat (limited to '')
-rw-r--r-- | gfx/ots/src/fpgm.cc | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gfx/ots/src/fpgm.cc b/gfx/ots/src/fpgm.cc new file mode 100644 index 0000000000..bb52b367fb --- /dev/null +++ b/gfx/ots/src/fpgm.cc @@ -0,0 +1,42 @@ +// 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. + +#include "fpgm.h" + +// fpgm - Font Program +// http://www.microsoft.com/typography/otspec/fpgm.htm + +namespace ots { + +bool OpenTypeFPGM::Parse(const uint8_t *data, size_t length) { + Buffer table(data, length); + + if (length >= 128 * 1024u) { + return Error("length (%ld) > 120", length); // almost all fpgm tables are less than 5k bytes. + } + + if (!table.Skip(length)) { + return Error("Bad table length"); + } + + this->data = data; + this->length = length; + return true; +} + +bool OpenTypeFPGM::Serialize(OTSStream *out) { + if (!out->Write(this->data, this->length)) { + return Error("Failed to write fpgm table"); + } + + return true; +} + +bool OpenTypeFPGM::ShouldSerialize() { + return Table::ShouldSerialize() && + // this table is not for CFF fonts. + GetFont()->GetTable(OTS_TAG_GLYF) != NULL; +} + +} // namespace ots |