diff --git a/fxbarcode/cbc_ean13.cpp b/fxbarcode/cbc_ean13.cpp
new file mode 100644
index 0000000..0366e03
--- /dev/null
+++ b/fxbarcode/cbc_ean13.cpp
@@ -0,0 +1,95 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+/*
+ * Copyright 2011 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "fxbarcode/cbc_ean13.h"
+
+#include "fxbarcode/oned/BC_OnedEAN13Writer.h"
+
+CBC_EAN13::CBC_EAN13() : CBC_OneCode(new CBC_OnedEAN13Writer) {}
+
+CBC_EAN13::~CBC_EAN13() {}
+
+CFX_WideString CBC_EAN13::Preprocess(const CFX_WideStringC& contents) {
+  CFX_WideString encodeContents =
+      static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
+          ->FilterContents(contents);
+  int32_t length = encodeContents.GetLength();
+  if (length <= 12) {
+    for (int32_t i = 0; i < 12 - length; i++)
+      encodeContents = wchar_t('0') + encodeContents;
+
+    CFX_ByteString byteString = encodeContents.UTF8Encode();
+    int32_t checksum = static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
+                           ->CalcChecksum(byteString);
+    byteString += checksum - 0 + '0';
+    encodeContents = byteString.UTF8Decode();
+  }
+  if (length > 13)
+    encodeContents = encodeContents.Mid(0, 13);
+
+  return encodeContents;
+}
+
+bool CBC_EAN13::Encode(const CFX_WideStringC& contents,
+                       bool isDevice,
+                       int32_t& e) {
+  if (contents.IsEmpty()) {
+    e = BCExceptionNoContents;
+    return false;
+  }
+  BCFORMAT format = BCFORMAT_EAN_13;
+  int32_t outWidth = 0;
+  int32_t outHeight = 0;
+  CFX_WideString encodeContents = Preprocess(contents);
+  CFX_ByteString byteString = encodeContents.UTF8Encode();
+  m_renderContents = encodeContents;
+  uint8_t* data = static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
+                      ->Encode(byteString, format, outWidth, outHeight, e);
+  if (e != BCExceptionNO)
+    return false;
+  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
+      ->RenderResult(encodeContents.AsStringC(), data, outWidth, isDevice, e);
+  FX_Free(data);
+  if (e != BCExceptionNO)
+    return false;
+  return true;
+}
+
+bool CBC_EAN13::RenderDevice(CFX_RenderDevice* device,
+                             const CFX_Matrix* matrix,
+                             int32_t& e) {
+  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
+      ->RenderDeviceResult(device, matrix, m_renderContents.AsStringC(), e);
+  if (e != BCExceptionNO)
+    return false;
+  return true;
+}
+
+bool CBC_EAN13::RenderBitmap(CFX_RetainPtr<CFX_DIBitmap>& pOutBitmap,
+                             int32_t& e) {
+  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
+      ->RenderBitmapResult(pOutBitmap, m_renderContents.AsStringC(), e);
+  return e == BCExceptionNO;
+}
+
+BC_TYPE CBC_EAN13::GetType() {
+  return BC_EAN13;
+}