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-rw-r--r--gfx/ots/src/fpgm.cc42
1 files changed, 42 insertions, 0 deletions
diff --git a/gfx/ots/src/fpgm.cc b/gfx/ots/src/fpgm.cc
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+++ b/gfx/ots/src/fpgm.cc
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+// 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