1 files changed, 14 insertions, 30 deletions

diff --git a/gfx/ots/src/prep.cc b/gfx/ots/src/prep.cc
index 1c9b45f91..943bb45b9 100644
--- a/gfx/ots/src/prep.cc
+++ b/gfx/ots/src/prep.cc
@@ -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 +7,37 @@
 // prep - Control Value Program
 // http://www.microsoft.com/typography/otspec/prep.htm
 
-#define TABLE_NAME "prep"
-
 namespace ots {
 
-bool ots_prep_parse(Font *font, const uint8_t *data, size_t length) {
+bool OpenTypePREP::Parse(const uint8_t *data, size_t length) {
   Buffer table(data, length);
 
-  OpenTypePREP *prep = new OpenTypePREP;
-  font->prep = prep;
-
   if (length >= 128 * 1024u) {
-    return OTS_FAILURE_MSG("table length %ld > 120K", length);  // almost all prep tables are less than 9k bytes.
+    // almost all prep tables are less than 9k bytes.
+    return Error("Table length %ld > 120K", length);
   }
 
   if (!table.Skip(length)) {
-    return OTS_FAILURE_MSG("Failed to read table of length %ld", length);
+    return Error("Failed to read table of length %ld", length);
   }
 
-  prep->data = data;
-  prep->length = length;
+  this->m_data = data;
+  this->m_length = length;
   return true;
 }
 
-bool ots_prep_should_serialise(Font *font) {
-  if (!font->glyf) return false;  // this table is not for CFF fonts.
-  return font->prep != NULL;
-}
-
-bool ots_prep_serialise(OTSStream *out, Font *font) {
-  const OpenTypePREP *prep = font->prep;
-
-  if (!out->Write(prep->data, prep->length)) {
-    return OTS_FAILURE_MSG("Failed to write table length");
+bool OpenTypePREP::Serialize(OTSStream *out) {
+  if (!out->Write(this->m_data, this->m_length)) {
+    return Error("Failed to write table length");
   }
 
   return true;
 }
 
-void ots_prep_reuse(Font *font, Font *other) {
-  font->prep = other->prep;
-  font->prep_reused = true;
-}
-
-void ots_prep_free(Font *font) {
-  delete font->prep;
+bool OpenTypePREP::ShouldSerialize() {
+  return Table::ShouldSerialize() &&
+         // this table is not for CFF fonts.
+         GetFont()->GetTable(OTS_TAG_GLYF) != NULL;
 }
 
 }  // namespace ots
-
-#undef TABLE_NAME