Move xfa/include/fxbarcode/BC_Barcode.h to xfa/fxbarcode.

This CL splits apart the larger header into individual class headers in the
xfa/fxbarcode directory.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1816133002 .
diff --git a/xfa/fxbarcode/cbc_code128.cpp b/xfa/fxbarcode/cbc_code128.cpp
new file mode 100644
index 0000000..e585de3
--- /dev/null
+++ b/xfa/fxbarcode/cbc_code128.cpp
@@ -0,0 +1,106 @@
+// 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 "xfa/fxbarcode/cbc_code128.h"
+
+#include "xfa/fxbarcode/BC_BinaryBitmap.h"
+#include "xfa/fxbarcode/BC_BufferedImageLuminanceSource.h"
+#include "xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h"
+#include "xfa/fxbarcode/oned/BC_OnedCode128Reader.h"
+#include "xfa/fxbarcode/oned/BC_OnedCode128Writer.h"
+
+CBC_Code128::CBC_Code128(BC_TYPE type) {
+  m_pBCReader = (CBC_Reader*)new (CBC_OnedCode128Reader);
+  m_pBCWriter = (CBC_Writer*)new CBC_OnedCode128Writer(type);
+}
+
+CBC_Code128::~CBC_Code128() {
+  delete (m_pBCReader);
+  delete (m_pBCWriter);
+}
+
+FX_BOOL CBC_Code128::SetTextLocation(BC_TEXT_LOC location) {
+  if (m_pBCWriter)
+    return ((CBC_OnedCode128Writer*)m_pBCWriter)->SetTextLocation(location);
+  return FALSE;
+}
+
+FX_BOOL CBC_Code128::Encode(const CFX_WideStringC& contents,
+                            FX_BOOL isDevice,
+                            int32_t& e) {
+  if (contents.IsEmpty()) {
+    e = BCExceptionNoContents;
+    return FALSE;
+  }
+  BCFORMAT format = BCFORMAT_CODE_128;
+  int32_t outWidth = 0;
+  int32_t outHeight = 0;
+  CFX_WideString content = contents;
+  if (contents.GetLength() % 2 &&
+      ((CBC_OnedCode128Writer*)m_pBCWriter)->GetType() == BC_CODE128_C) {
+    content += '0';
+  }
+  CFX_WideString encodeContents =
+      ((CBC_OnedCode128Writer*)m_pBCWriter)->FilterContents(content);
+  m_renderContents = encodeContents;
+  CFX_ByteString byteString = encodeContents.UTF8Encode();
+  uint8_t* data = static_cast<CBC_OnedCode128Writer*>(m_pBCWriter)
+                      ->Encode(byteString, format, outWidth, outHeight, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
+  ((CBC_OneDimWriter*)m_pBCWriter)
+      ->RenderResult(encodeContents, data, outWidth, isDevice, e);
+  FX_Free(data);
+  BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
+  return TRUE;
+}
+
+FX_BOOL CBC_Code128::RenderDevice(CFX_RenderDevice* device,
+                                  const CFX_Matrix* matirx,
+                                  int32_t& e) {
+  ((CBC_OneDimWriter*)m_pBCWriter)
+      ->RenderDeviceResult(device, matirx, m_renderContents, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
+  return TRUE;
+}
+
+FX_BOOL CBC_Code128::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
+  ((CBC_OneDimWriter*)m_pBCWriter)
+      ->RenderBitmapResult(pOutBitmap, m_renderContents, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
+  return TRUE;
+}
+
+CFX_WideString CBC_Code128::Decode(uint8_t* buf,
+                                   int32_t width,
+                                   int32_t hight,
+                                   int32_t& e) {
+  CFX_WideString str;
+  return str;
+}
+
+CFX_WideString CBC_Code128::Decode(CFX_DIBitmap* pBitmap, int32_t& e) {
+  CBC_BufferedImageLuminanceSource source(pBitmap);
+  CBC_GlobalHistogramBinarizer binarizer(&source);
+  CBC_BinaryBitmap bitmap(&binarizer);
+  CFX_ByteString str = m_pBCReader->Decode(&bitmap, 0, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, FX_WSTRC(L""));
+  return CFX_WideString::FromUTF8(str, str.GetLength());
+}