Index: third_party/ots/src/prep.cc |
diff --git a/third_party/ots/src/prep.cc b/third_party/ots/src/prep.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f8a574808637b03082ccf7c1e2824da7f8c0582f |
--- /dev/null |
+++ b/third_party/ots/src/prep.cc |
@@ -0,0 +1,54 @@ |
+// 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 "prep.h" |
+ |
+// prep - Control Value Program |
+// http://www.microsoft.com/typography/otspec/prep.htm |
+ |
+#define TABLE_NAME "prep" |
+ |
+namespace ots { |
+ |
+bool ots_prep_parse(OpenTypeFile *file, const uint8_t *data, size_t length) { |
+ Buffer table(data, length); |
+ |
+ OpenTypePREP *prep = new OpenTypePREP; |
+ file->prep = prep; |
+ |
+ if (length >= 128 * 1024u) { |
+ return OTS_FAILURE_MSG("table length %ld > 120K", length); // almost all prep tables are less than 9k bytes. |
+ } |
+ |
+ if (!table.Skip(length)) { |
+ return OTS_FAILURE_MSG("Failed to read table of length %ld", length); |
+ } |
+ |
+ prep->data = data; |
+ prep->length = length; |
+ return true; |
+} |
+ |
+bool ots_prep_should_serialise(OpenTypeFile *file) { |
+ if (!file->glyf) return false; // this table is not for CFF fonts. |
+ return file->prep; |
+} |
+ |
+bool ots_prep_serialise(OTSStream *out, OpenTypeFile *file) { |
+ const OpenTypePREP *prep = file->prep; |
+ |
+ if (!out->Write(prep->data, prep->length)) { |
+ return OTS_FAILURE_MSG("Failed to write table length"); |
+ } |
+ |
+ return true; |
+} |
+ |
+void ots_prep_free(OpenTypeFile *file) { |
+ delete file->prep; |
+} |
+ |
+} // namespace ots |
+ |
+#undef TABLE_NAME |