1 files changed, 9 insertions, 37 deletions

diff --git a/gfx/ots/src/vmtx.cc b/gfx/ots/src/vmtx.cc
index 64a706148..d576ae294 100644
--- a/gfx/ots/src/vmtx.cc
+++ b/gfx/ots/src/vmtx.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011-2017 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.
 
@@ -10,48 +10,20 @@
 // vmtx - Vertical Metrics Table
 // http://www.microsoft.com/typography/otspec/vmtx.htm
 
-#define TABLE_NAME "vmtx"
-
 namespace ots {
 
-bool ots_vmtx_parse(Font *font, const uint8_t *data, size_t length) {
-  Buffer table(data, length);
-  OpenTypeVMTX *vmtx = new OpenTypeVMTX;
-  font->vmtx = vmtx;
-
-  if (!font->vhea || !font->maxp) {
-    return OTS_FAILURE_MSG("vhea or maxp table missing as needed by vmtx");
-  }
-
-  if (!ParseMetricsTable(font, &table, font->maxp->num_glyphs,
-                         &font->vhea->header, &vmtx->metrics)) {
-    return OTS_FAILURE_MSG("Failed to parse vmtx metrics");
-  }
-
-  return true;
+bool OpenTypeVMTX::Parse(const uint8_t *data, size_t length) {
+  return OpenTypeMetricsTable::Parse(data, length);
 }
 
-bool ots_vmtx_should_serialise(Font *font) {
-  // vmtx should serialise when vhea is preserved.
-  return font->vmtx != NULL && font->vhea != NULL;
+bool OpenTypeVMTX::Serialize(OTSStream *out) {
+  return OpenTypeMetricsTable::Serialize(out);
 }
 
-bool ots_vmtx_serialise(OTSStream *out, Font *font) {
-  if (!SerialiseMetricsTable(font, out, &font->vmtx->metrics)) {
-    return OTS_FAILURE_MSG("Failed to write vmtx metrics");
-  }
-  return true;
-}
-
-void ots_vmtx_reuse(Font *font, Font *other) {
-  font->vmtx = other->vmtx;
-  font->vmtx_reused = true;
-}
-
-void ots_vmtx_free(Font *font) {
-  delete font->vmtx;
+bool OpenTypeVMTX::ShouldSerialize() {
+  return OpenTypeMetricsTable::ShouldSerialize() &&
+         // vmtx should serialise when vhea is preserved.
+         GetFont()->GetTable(OTS_TAG_VHEA) != NULL;
 }
 
 }  // namespace ots
-
-#undef TABLE_NAME