Remove barcode reading code.

We never read barcodes, we only write them. Remove code related to barcode
reading.

Review-Url: https://codereview.chromium.org/2071633002

12 files changed, 0 insertions, 1042 deletions

diff --git a/xfa/fxbarcode/common/BC_CommonCharacterSetECI.cpp b/xfa/fxbarcode/common/BC_CommonCharacterSetECI.cpp
deleted file mode 100644
index ebc5593bf2..0000000000
--- a/xfa/fxbarcode/common/BC_CommonCharacterSetECI.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2014 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
-// Original code is licensed as follows:
-/*
- * Copyright 2008 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/common/BC_CommonCharacterSetECI.h"
-#include "xfa/fxbarcode/common/BC_CommonECI.h"
-
-void CBC_CommonCharacterSetECI::initialize() {}
-CBC_CommonCharacterSetECI::CBC_CommonCharacterSetECI(
-    int32_t value,
-    CFX_ByteString encodingName)
-    : CBC_CommonECI(value), m_encodingName(encodingName) {}
-CBC_CommonCharacterSetECI::~CBC_CommonCharacterSetECI() {}
-CFX_ByteString CBC_CommonCharacterSetECI::GetEncodingName() {
-  return m_encodingName;
-}
-void CBC_CommonCharacterSetECI::AddCharacterSet(int32_t value,
-                                                CFX_ByteString encodingName) {}
-CBC_CommonCharacterSetECI* CBC_CommonCharacterSetECI::GetCharacterSetECIByValue(
-    int32_t value) {
-  return nullptr;
-}
-CBC_CommonCharacterSetECI* CBC_CommonCharacterSetECI::GetCharacterSetECIByName(
-    const CFX_ByteString& name) {
-  return nullptr;
-}
diff --git a/xfa/fxbarcode/common/BC_CommonCharacterSetECI.h b/xfa/fxbarcode/common/BC_CommonCharacterSetECI.h
deleted file mode 100644
index a2fe0ed2fe..0000000000
--- a/xfa/fxbarcode/common/BC_CommonCharacterSetECI.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2014 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
-
-#ifndef XFA_FXBARCODE_COMMON_BC_COMMONCHARACTERSETECI_H_
-#define XFA_FXBARCODE_COMMON_BC_COMMONCHARACTERSETECI_H_
-
-#include "core/fxcrt/include/fx_string.h"
-#include "xfa/fxbarcode/common/BC_CommonECI.h"
-
-class CBC_CommonCharacterSetECI : public CBC_CommonECI {
- public:
-  CBC_CommonCharacterSetECI(int32_t value, CFX_ByteString encodingName);
-  ~CBC_CommonCharacterSetECI() override;
-
-  CFX_ByteString GetEncodingName();
-  static void AddCharacterSet(int32_t value, CFX_ByteString encodingName);
-  static CBC_CommonCharacterSetECI* GetCharacterSetECIByValue(int32_t value);
-  static CBC_CommonCharacterSetECI* GetCharacterSetECIByName(
-      const CFX_ByteString& name);
-
- private:
-  CFX_ByteString m_encodingName;
-  static void initialize();
-};
-
-#endif  // XFA_FXBARCODE_COMMON_BC_COMMONCHARACTERSETECI_H_
diff --git a/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp b/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp
deleted file mode 100644
index ee131e5359..0000000000
--- a/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright 2014 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
-// Original code is licensed as follows:
-/*
- * Copyright 2007 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 "core/fxcrt/include/fx_basic.h"
-#include "xfa/fxbarcode/common/BC_CommonDecoderResult.h"
-#include "xfa/fxbarcode/pdf417/BC_PDF417ResultMetadata.h"
-#include "xfa/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h"
-#include "xfa/fxbarcode/utils.h"
-
-CBC_CommonDecoderResult::CBC_CommonDecoderResult() {}
-void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes,
-                                   const CFX_ByteString& text,
-                                   const CFX_Int32Array& byteSegments,
-                                   CBC_QRCoderErrorCorrectionLevel* ecLevel,
-                                   int32_t& e) {
-  if (text.IsEmpty()) {
-    e = BCExceptionIllegalArgument;
-    return;
-  }
-  m_rawBytes.Copy(rawBytes);
-  m_text = text;
-  m_byteSegments.Copy(byteSegments);
-  m_ecLevel = ecLevel;
-  m_other = nullptr;
-}
-void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes,
-                                   const CFX_ByteString& text,
-                                   const CFX_ByteString& ecLevel,
-                                   int32_t& e) {
-  if (text.IsEmpty()) {
-    e = BCExceptionIllegalArgument;
-    return;
-  }
-  m_rawBytes.Copy(rawBytes);
-  m_text = text;
-  m_pdf417ecLevel = ecLevel;
-  m_other = nullptr;
-}
-void CBC_CommonDecoderResult::setOther(CBC_PDF417ResultMetadata* other) {
-  m_other = other;
-}
-CBC_CommonDecoderResult::~CBC_CommonDecoderResult() {
-  delete m_other;
-}
-const CFX_ByteArray& CBC_CommonDecoderResult::GetRawBytes() {
-  return m_rawBytes;
-}
-const CFX_Int32Array& CBC_CommonDecoderResult::GetByteSegments() {
-  return m_byteSegments;
-}
-const CFX_ByteString& CBC_CommonDecoderResult::GetText() {
-  return m_text;
-}
-CBC_QRCoderErrorCorrectionLevel* CBC_CommonDecoderResult::GetECLevel() {
-  return m_ecLevel;
-}
diff --git a/xfa/fxbarcode/common/BC_CommonDecoderResult.h b/xfa/fxbarcode/common/BC_CommonDecoderResult.h
deleted file mode 100644
index bcb65df9fa..0000000000
--- a/xfa/fxbarcode/common/BC_CommonDecoderResult.h
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2014 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
-
-#ifndef XFA_FXBARCODE_COMMON_BC_COMMONDECODERRESULT_H_
-#define XFA_FXBARCODE_COMMON_BC_COMMONDECODERRESULT_H_
-
-#include "core/fxcrt/include/fx_basic.h"
-
-class CBC_QRCoderErrorCorrectionLevel;
-class CBC_PDF417ResultMetadata;
-
-class CBC_CommonDecoderResult {
- public:
-  CBC_CommonDecoderResult();
-  virtual ~CBC_CommonDecoderResult();
-
-  const CFX_ByteArray& GetRawBytes();
-  const CFX_ByteString& GetText();
-  const CFX_Int32Array& GetByteSegments();
-  CBC_QRCoderErrorCorrectionLevel* GetECLevel();
-  virtual void Init(const CFX_ByteArray& rawBytes,
-                    const CFX_ByteString& text,
-                    const CFX_Int32Array& byteSegments,
-                    CBC_QRCoderErrorCorrectionLevel* ecLevel,
-                    int32_t& e);
-  virtual void Init(const CFX_ByteArray& rawBytes,
-                    const CFX_ByteString& text,
-                    const CFX_ByteString& ecLevel,
-                    int32_t& e);
-  void setOther(CBC_PDF417ResultMetadata* other);
-
- private:
-  CFX_ByteArray m_rawBytes;
-  CFX_ByteString m_text;
-  CFX_Int32Array m_byteSegments;
-  CBC_QRCoderErrorCorrectionLevel* m_ecLevel;
-  CFX_ByteString m_pdf417ecLevel;
-  CBC_PDF417ResultMetadata* m_other;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_BC_COMMONDECODERRESULT_H_
diff --git a/xfa/fxbarcode/common/BC_CommonECI.cpp b/xfa/fxbarcode/common/BC_CommonECI.cpp
deleted file mode 100644
index 30d21310f4..0000000000
--- a/xfa/fxbarcode/common/BC_CommonECI.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2014 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
-// Original code is licensed as follows:
-/*
- * Copyright 2008 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/common/BC_CommonCharacterSetECI.h"
-#include "xfa/fxbarcode/common/BC_CommonECI.h"
-#include "xfa/fxbarcode/utils.h"
-
-CBC_CommonECI::CBC_CommonECI(int32_t value) {
-  m_value = value;
-}
-CBC_CommonECI::~CBC_CommonECI() {}
-int32_t CBC_CommonECI::GetValue() {
-  return m_value;
-}
-CBC_CommonECI* CBC_CommonECI::GetEICByValue(int32_t value, int32_t& e) {
-  if (value < 0 || value > 999999)
-    e = BCExceptionBadECI;
-  return nullptr;
-}
diff --git a/xfa/fxbarcode/common/BC_CommonECI.h b/xfa/fxbarcode/common/BC_CommonECI.h
deleted file mode 100644
index 5bc4c1485c..0000000000
--- a/xfa/fxbarcode/common/BC_CommonECI.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2014 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
-
-#ifndef XFA_FXBARCODE_COMMON_BC_COMMONECI_H_
-#define XFA_FXBARCODE_COMMON_BC_COMMONECI_H_
-
-#include <stdint.h>
-
-class CBC_CommonECI {
- public:
-  CBC_CommonECI(int32_t value);
-  virtual ~CBC_CommonECI();
-
-  virtual int32_t GetValue();
-
-  static CBC_CommonECI* GetEICByValue(int32_t value, int32_t& e);
-
- private:
-  int32_t m_value;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_BC_COMMONECI_H_
diff --git a/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp b/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp
deleted file mode 100644
index 53f18cc21b..0000000000
--- a/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp
+++ /dev/null
@@ -1,173 +0,0 @@
-// Copyright 2014 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
-// Original code is licensed as follows:
-/*
- * Copyright 2009 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/common/BC_GlobalHistogramBinarizer.h"
-
-#include <memory>
-
-#include "xfa/fxbarcode/BC_Binarizer.h"
-#include "xfa/fxbarcode/BC_LuminanceSource.h"
-#include "xfa/fxbarcode/common/BC_CommonBitArray.h"
-#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/fxbarcode/utils.h"
-
-const int32_t LUMINANCE_BITS = 5;
-const int32_t LUMINANCE_SHIFT = 8 - LUMINANCE_BITS;
-const int32_t LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS;
-
-CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer(
-    CBC_LuminanceSource* source)
-    : CBC_Binarizer(source) {}
-CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer() {}
-CBC_CommonBitArray* CBC_GlobalHistogramBinarizer::GetBlackRow(
-    int32_t y,
-    CBC_CommonBitArray* row,
-    int32_t& e) {
-  CBC_LuminanceSource* source = GetLuminanceSource();
-  int32_t width = source->GetWidth();
-  std::unique_ptr<CBC_CommonBitArray> result(new CBC_CommonBitArray(width));
-  InitArrays(width);
-  CFX_ByteArray* localLuminances = source->GetRow(y, m_luminance, e);
-  if (e != BCExceptionNO) {
-    return result.release();
-  }
-  CFX_Int32Array localBuckets;
-  localBuckets.Copy(m_buckets);
-  int32_t x;
-  for (x = 0; x < width; x++) {
-    int32_t pixel = (*localLuminances)[x] & 0xff;
-    localBuckets[pixel >> LUMINANCE_SHIFT]++;
-  }
-  int32_t blackPoint = EstimateBlackPoint(localBuckets, e);
-  if (e != BCExceptionNO) {
-    return result.release();
-  }
-  int32_t left = (*localLuminances)[0] & 0xff;
-  int32_t center = (*localLuminances)[1] & 0xff;
-  for (x = 1; x < width - 1; x++) {
-    int32_t right = (*localLuminances)[x + 1] & 0xff;
-    int32_t luminance = ((center << 2) - left - right) >> 1;
-    if (luminance < blackPoint) {
-      result->Set(x);
-    }
-    left = center;
-    center = right;
-  }
-  return result.release();
-}
-CBC_CommonBitMatrix* CBC_GlobalHistogramBinarizer::GetBlackMatrix(int32_t& e) {
-  CBC_LuminanceSource* source = GetLuminanceSource();
-  int32_t width = source->GetWidth();
-  int32_t height = source->GetHeight();
-  std::unique_ptr<CBC_CommonBitMatrix> matrix(new CBC_CommonBitMatrix());
-  matrix->Init(width, height);
-  InitArrays(width);
-  CFX_Int32Array localBuckets;
-  localBuckets.Copy(m_buckets);
-  int32_t y;
-  for (y = 1; y < 5; y++) {
-    int32_t row = height * y / 5;
-    CFX_ByteArray* localLuminances = source->GetRow(row, m_luminance, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    int32_t right = (width << 2) / 5;
-    int32_t x;
-    for (x = width / 5; x < right; x++) {
-      int32_t pixel = (*localLuminances)[x] & 0xff;
-      localBuckets[pixel >> LUMINANCE_SHIFT]++;
-    }
-  }
-  int32_t blackPoint = EstimateBlackPoint(localBuckets, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  std::unique_ptr<CFX_ByteArray> localLuminances(source->GetMatrix());
-  for (y = 0; y < height; y++) {
-    int32_t offset = y * width;
-    for (int32_t x = 0; x < width; x++) {
-      int32_t pixel = (*localLuminances)[offset + x] & 0xff;
-      if (pixel < blackPoint) {
-        matrix->Set(x, y);
-      }
-    }
-  }
-  return matrix.release();
-}
-void CBC_GlobalHistogramBinarizer::InitArrays(int32_t luminanceSize) {
-  if (m_luminance.GetSize() < luminanceSize) {
-    m_luminance.SetSize(luminanceSize);
-  }
-  if (m_buckets.GetSize() <= 0) {
-    m_buckets.SetSize(LUMINANCE_BUCKETS);
-  } else {
-    int32_t x;
-    for (x = 0; x < LUMINANCE_BUCKETS; x++) {
-      m_buckets[x] = 0;
-    }
-  }
-}
-int32_t CBC_GlobalHistogramBinarizer::EstimateBlackPoint(
-    CFX_Int32Array& buckets,
-    int32_t& e) {
-  int32_t numBuckets = buckets.GetSize();
-  int32_t maxBucketCount = 0;
-  int32_t firstPeak = 0;
-  int32_t firstPeakSize = 0;
-  int32_t x;
-  for (x = 0; x < numBuckets; x++) {
-    if (buckets[x] > firstPeakSize) {
-      firstPeak = x;
-      firstPeakSize = buckets[x];
-    }
-    if (buckets[x] > maxBucketCount) {
-      maxBucketCount = buckets[x];
-    }
-  }
-  int32_t secondPeak = 0;
-  int32_t secondPeakScore = 0;
-  for (x = 0; x < numBuckets; x++) {
-    int32_t distanceToBiggest = x - firstPeak;
-    int32_t score = buckets[x] * distanceToBiggest * distanceToBiggest;
-    if (score > secondPeakScore) {
-      secondPeak = x;
-      secondPeakScore = score;
-    }
-  }
-  if (firstPeak > secondPeak) {
-    int32_t temp = firstPeak;
-    firstPeak = secondPeak;
-    secondPeak = temp;
-  }
-  if (secondPeak - firstPeak <= numBuckets >> 4) {
-    e = BCExceptionRead;
-    return 0;
-  }
-  int32_t bestValley = secondPeak - 1;
-  int32_t bestValleyScore = -1;
-  for (x = secondPeak - 1; x > firstPeak; x--) {
-    int32_t fromFirst = x - firstPeak;
-    int32_t score = fromFirst * fromFirst * (secondPeak - x) *
-                    (maxBucketCount - buckets[x]);
-    if (score > bestValleyScore) {
-      bestValley = x;
-      bestValleyScore = score;
-    }
-  }
-  return bestValley << LUMINANCE_SHIFT;
-}
diff --git a/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h b/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h
deleted file mode 100644
index 786e8e0a53..0000000000
--- a/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2014 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
-
-#ifndef XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_
-#define XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_
-
-#include "core/fxcrt/include/fx_basic.h"
-#include "xfa/fxbarcode/BC_Binarizer.h"
-
-class CBC_CommonBitArray;
-class CBC_CommonBitMatrix;
-class CBC_LuminanceSource;
-
-class CBC_GlobalHistogramBinarizer : public CBC_Binarizer {
- public:
-  CBC_GlobalHistogramBinarizer(CBC_LuminanceSource* source);
-  ~CBC_GlobalHistogramBinarizer() override;
-
-  void InitArrays(int32_t luminanceSize);
-
-  // CBC_Binarizer
-  CBC_CommonBitMatrix* GetBlackMatrix(int32_t& e) override;
-  CBC_CommonBitArray* GetBlackRow(int32_t y,
-                                  CBC_CommonBitArray* row,
-                                  int32_t& e) override;
-
-  static int32_t EstimateBlackPoint(CFX_Int32Array& buckets, int32_t& e);
-
- private:
-  CFX_ByteArray m_luminance;
-  CFX_Int32Array m_buckets;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_
diff --git a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.cpp b/xfa/fxbarcode/common/BC_WhiteRectangleDetector.cpp
deleted file mode 100644
index 45ffd63858..0000000000
--- a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.cpp
+++ /dev/null
@@ -1,262 +0,0 @@
-// Copyright 2014 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
-// Original code is licensed as follows:
-/*
- * Copyright 2010 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/common/BC_WhiteRectangleDetector.h"
-
-#include <memory>
-
-#include "xfa/fxbarcode/BC_ResultPoint.h"
-#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/fxbarcode/utils.h"
-
-CBC_WhiteRectangleDetector::CBC_WhiteRectangleDetector(
-    CBC_CommonBitMatrix* image) {
-  m_image = image;
-  m_height = image->GetHeight();
-  m_width = image->GetWidth();
-  m_leftInit = (m_width - INIT_SIZE) >> 1;
-  m_rightInit = (m_width + INIT_SIZE) >> 1;
-  m_upInit = (m_height - INIT_SIZE) >> 1;
-  m_downInit = (m_height + INIT_SIZE) >> 1;
-}
-void CBC_WhiteRectangleDetector::Init(int32_t& e) {
-  if (m_upInit < 0 || m_leftInit < 0 || m_downInit >= m_height ||
-      m_rightInit >= m_width) {
-    e = BCExceptionNotFound;
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-  }
-}
-CBC_WhiteRectangleDetector::CBC_WhiteRectangleDetector(
-    CBC_CommonBitMatrix* image,
-    int32_t initSize,
-    int32_t x,
-    int32_t y) {
-  m_image = image;
-  m_height = image->GetHeight();
-  m_width = image->GetWidth();
-  int32_t halfsize = initSize >> 1;
-  m_leftInit = x - halfsize;
-  m_rightInit = x + halfsize;
-  m_upInit = y - halfsize;
-  m_downInit = y + halfsize;
-}
-
-CBC_WhiteRectangleDetector::~CBC_WhiteRectangleDetector() {}
-
-CFX_ArrayTemplate<CBC_ResultPoint*>* CBC_WhiteRectangleDetector::Detect(
-    int32_t& e) {
-  int32_t left = m_leftInit;
-  int32_t right = m_rightInit;
-  int32_t up = m_upInit;
-  int32_t down = m_downInit;
-  FX_BOOL sizeExceeded = FALSE;
-  FX_BOOL aBlackPointFoundOnBorder = TRUE;
-  FX_BOOL atLeastOneBlackPointFoundOnBorder = FALSE;
-  while (aBlackPointFoundOnBorder) {
-    aBlackPointFoundOnBorder = FALSE;
-    FX_BOOL rightBorderNotWhite = TRUE;
-    while (rightBorderNotWhite && right < m_width) {
-      rightBorderNotWhite = ContainsBlackPoint(up, down, right, FALSE);
-      if (rightBorderNotWhite) {
-        right++;
-        aBlackPointFoundOnBorder = TRUE;
-      }
-    }
-    if (right >= m_width) {
-      sizeExceeded = TRUE;
-      break;
-    }
-    FX_BOOL bottomBorderNotWhite = TRUE;
-    while (bottomBorderNotWhite && down < m_height) {
-      bottomBorderNotWhite = ContainsBlackPoint(left, right, down, TRUE);
-      if (bottomBorderNotWhite) {
-        down++;
-        aBlackPointFoundOnBorder = TRUE;
-      }
-    }
-    if (down >= m_height) {
-      sizeExceeded = TRUE;
-      break;
-    }
-    FX_BOOL leftBorderNotWhite = TRUE;
-    while (leftBorderNotWhite && left >= 0) {
-      leftBorderNotWhite = ContainsBlackPoint(up, down, left, FALSE);
-      if (leftBorderNotWhite) {
-        left--;
-        aBlackPointFoundOnBorder = TRUE;
-      }
-    }
-    if (left < 0) {
-      sizeExceeded = TRUE;
-      break;
-    }
-    FX_BOOL topBorderNotWhite = TRUE;
-    while (topBorderNotWhite && up >= 0) {
-      topBorderNotWhite = ContainsBlackPoint(left, right, up, TRUE);
-      if (topBorderNotWhite) {
-        up--;
-        aBlackPointFoundOnBorder = TRUE;
-      }
-    }
-    if (up < 0) {
-      sizeExceeded = TRUE;
-      break;
-    }
-    if (aBlackPointFoundOnBorder) {
-      atLeastOneBlackPointFoundOnBorder = TRUE;
-    }
-  }
-  if (!sizeExceeded && atLeastOneBlackPointFoundOnBorder) {
-    int32_t maxSize = right - left;
-    std::unique_ptr<CBC_ResultPoint> z;
-    for (int32_t i = 1; i < maxSize; i++) {
-      z.reset(GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(down - i),
-                                     (FX_FLOAT)(left + i), (FX_FLOAT)(down)));
-      if (z)
-        break;
-    }
-    if (!z.get()) {
-      e = BCExceptionNotFound;
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    }
-    std::unique_ptr<CBC_ResultPoint> t;
-    for (int32_t j = 1; j < maxSize; j++) {
-      t.reset(GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(up + j),
-                                     (FX_FLOAT)(left + j), (FX_FLOAT)up));
-      if (t)
-        break;
-    }
-    if (!t.get()) {
-      e = BCExceptionNotFound;
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    }
-    std::unique_ptr<CBC_ResultPoint> x;
-    for (int32_t k = 1; k < maxSize; k++) {
-      x.reset(GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(up + k),
-                                     (FX_FLOAT)(right - k), (FX_FLOAT)up));
-      if (x)
-        break;
-    }
-    if (!x.get()) {
-      e = BCExceptionNotFound;
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    }
-    std::unique_ptr<CBC_ResultPoint> y;
-    for (int32_t m = 1; m < maxSize; m++) {
-      y.reset(GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(down - m),
-                                     (FX_FLOAT)(right - m), (FX_FLOAT)down));
-      if (y)
-        break;
-    }
-    if (!y.get()) {
-      e = BCExceptionNotFound;
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    }
-    return CenterEdges(y.get(), z.get(), x.get(), t.get());
-  }
-
-  e = BCExceptionNotFound;
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  return nullptr;
-}
-
-int32_t CBC_WhiteRectangleDetector::Round(FX_FLOAT d) {
-  return (int32_t)(d + 0.5f);
-}
-CBC_ResultPoint* CBC_WhiteRectangleDetector::GetBlackPointOnSegment(
-    FX_FLOAT aX,
-    FX_FLOAT aY,
-    FX_FLOAT bX,
-    FX_FLOAT bY) {
-  int32_t dist = DistanceL2(aX, aY, bX, bY);
-  float xStep = (bX - aX) / dist;
-  float yStep = (bY - aY) / dist;
-  for (int32_t i = 0; i < dist; i++) {
-    int32_t x = Round(aX + i * xStep);
-    int32_t y = Round(aY + i * yStep);
-    if (m_image->Get(x, y)) {
-      return new CBC_ResultPoint((FX_FLOAT)x, (FX_FLOAT)y);
-    }
-  }
-  return nullptr;
-}
-int32_t CBC_WhiteRectangleDetector::DistanceL2(FX_FLOAT aX,
-                                               FX_FLOAT aY,
-                                               FX_FLOAT bX,
-                                               FX_FLOAT bY) {
-  float xDiff = aX - bX;
-  float yDiff = aY - bY;
-  return Round((float)sqrt(xDiff * xDiff + yDiff * yDiff));
-}
-
-CFX_ArrayTemplate<CBC_ResultPoint*>* CBC_WhiteRectangleDetector::CenterEdges(
-    CBC_ResultPoint* y,
-    CBC_ResultPoint* z,
-    CBC_ResultPoint* x,
-    CBC_ResultPoint* t) const {
-  CFX_ArrayTemplate<CBC_ResultPoint*>* result =
-      new CFX_ArrayTemplate<CBC_ResultPoint*>();
-  result->SetSize(4);
-
-  float yi = y->GetX();
-  float yj = y->GetY();
-  float zi = z->GetX();
-  float zj = z->GetY();
-  float xi = x->GetX();
-  float xj = x->GetY();
-  float ti = t->GetX();
-  float tj = t->GetY();
-
-  if (yi < m_width / 2) {
-    (*result)[0] = new CBC_ResultPoint(ti - CORR, tj + CORR);
-    (*result)[1] = new CBC_ResultPoint(zi + CORR, zj + CORR);
-    (*result)[2] = new CBC_ResultPoint(xi - CORR, xj - CORR);
-    (*result)[3] = new CBC_ResultPoint(yi + CORR, yj - CORR);
-    return result;
-  }
-
-  (*result)[0] = new CBC_ResultPoint(ti + CORR, tj + CORR);
-  (*result)[1] = new CBC_ResultPoint(zi + CORR, zj - CORR);
-  (*result)[2] = new CBC_ResultPoint(xi - CORR, xj + CORR);
-  (*result)[3] = new CBC_ResultPoint(yi - CORR, yj - CORR);
-  return result;
-}
-
-FX_BOOL CBC_WhiteRectangleDetector::ContainsBlackPoint(int32_t a,
-                                                       int32_t b,
-                                                       int32_t fixed,
-                                                       FX_BOOL horizontal) {
-  if (horizontal) {
-    for (int32_t x = a; x <= b; x++) {
-      if (m_image->Get(x, fixed)) {
-        return TRUE;
-      }
-    }
-  } else {
-    for (int32_t y = a; y <= b; y++) {
-      if (m_image->Get(fixed, y)) {
-        return TRUE;
-      }
-    }
-  }
-  return FALSE;
-}
diff --git a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h b/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h
deleted file mode 100644
index 427d7b85ca..0000000000
--- a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright 2014 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
-
-#ifndef XFA_FXBARCODE_COMMON_BC_WHITERECTANGLEDETECTOR_H_
-#define XFA_FXBARCODE_COMMON_BC_WHITERECTANGLEDETECTOR_H_
-
-#include "core/fxcrt/include/fx_basic.h"
-
-class CBC_CommonBitMatrix;
-class CBC_ResultPoint;
-
-class CBC_WhiteRectangleDetector {
- public:
-  explicit CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image);
-  CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image,
-                             int32_t initSize,
-                             int32_t x,
-                             int32_t y);
-  virtual ~CBC_WhiteRectangleDetector();
-
-  virtual void Init(int32_t& e);
-
-  CFX_ArrayTemplate<CBC_ResultPoint*>* Detect(int32_t& e);
-
- private:
-  int32_t Round(FX_FLOAT d);
-  CBC_ResultPoint* GetBlackPointOnSegment(FX_FLOAT aX,
-                                          FX_FLOAT aY,
-                                          FX_FLOAT bX,
-                                          FX_FLOAT bY);
-  int32_t DistanceL2(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY);
-  CFX_ArrayTemplate<CBC_ResultPoint*>* CenterEdges(CBC_ResultPoint* y,
-                                                   CBC_ResultPoint* z,
-                                                   CBC_ResultPoint* x,
-                                                   CBC_ResultPoint* t) const;
-
-  FX_BOOL ContainsBlackPoint(int32_t a,
-                             int32_t b,
-                             int32_t fixed,
-                             FX_BOOL horizontal);
-
-  static const int32_t INIT_SIZE = 30;
-  static const int32_t CORR = 1;
-
-  CBC_CommonBitMatrix* m_image;
-  int32_t m_height;
-  int32_t m_width;
-  int32_t m_leftInit;
-  int32_t m_rightInit;
-  int32_t m_downInit;
-  int32_t m_upInit;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_BC_WHITERECTANGLEDETECTOR_H_
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp
deleted file mode 100644
index 8788afbda8..0000000000
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp
+++ /dev/null
@@ -1,221 +0,0 @@
-// Copyright 2014 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
-// Original code is licensed as follows:
-/*
- * Copyright 2007 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/common/reedsolomon/BC_ReedSolomonDecoder.h"
-
-#include <memory>
-#include <utility>
-
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
-
-CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field) {
-  m_field = field;
-}
-CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder() {}
-void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received,
-                                    int32_t twoS,
-                                    int32_t& e) {
-  CBC_ReedSolomonGF256Poly poly;
-  poly.Init(m_field, received, e);
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  CFX_Int32Array syndromeCoefficients;
-  syndromeCoefficients.SetSize(twoS);
-  FX_BOOL dataMatrix = FALSE;
-  FX_BOOL noError = TRUE;
-  for (int32_t i = 0; i < twoS; i++) {
-    int32_t eval = poly.EvaluateAt(m_field->Exp(dataMatrix ? i + 1 : i));
-    syndromeCoefficients[twoS - 1 - i] = eval;
-    if (eval != 0) {
-      noError = FALSE;
-    }
-  }
-  if (noError) {
-    return;
-  }
-  CBC_ReedSolomonGF256Poly syndrome;
-  syndrome.Init(m_field, &syndromeCoefficients, e);
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> temp(
-      m_field->BuildMonomial(twoS, 1, e));
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  std::unique_ptr<CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>> sigmaOmega(
-      RunEuclideanAlgorithm(temp.get(), &syndrome, twoS, e));
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> sigma((*sigmaOmega)[0]);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> omega((*sigmaOmega)[1]);
-  std::unique_ptr<CFX_Int32Array> errorLocations(
-      FindErrorLocations(sigma.get(), e));
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  std::unique_ptr<CFX_Int32Array> errorMagnitudes(
-      FindErrorMagnitudes(omega.get(), errorLocations.get(), dataMatrix, e));
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  for (int32_t k = 0; k < errorLocations->GetSize(); k++) {
-    int32_t position =
-        received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    if (position < 0) {
-      e = BCExceptionBadErrorLocation;
-      BC_EXCEPTION_CHECK_ReturnVoid(e);
-    }
-    (*received)[position] = CBC_ReedSolomonGF256::AddOrSubtract(
-        (*received)[position], (*errorMagnitudes)[k]);
-  }
-}
-
-CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>*
-CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a,
-                                              CBC_ReedSolomonGF256Poly* b,
-                                              int32_t R,
-                                              int32_t& e) {
-  if (a->GetDegree() < b->GetDegree()) {
-    CBC_ReedSolomonGF256Poly* temp = a;
-    a = b;
-    b = temp;
-  }
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> rLast(a->Clone(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> r(b->Clone(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> sLast(m_field->GetOne()->Clone(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> s(m_field->GetZero()->Clone(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> tLast(m_field->GetZero()->Clone(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> t(m_field->GetOne()->Clone(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  while (r->GetDegree() >= R / 2) {
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> rLastLast = std::move(rLast);
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> sLastLast = std::move(sLast);
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> tLastlast = std::move(tLast);
-    rLast = std::move(r);
-    sLast = std::move(s);
-    tLast = std::move(t);
-    if (rLast->IsZero()) {
-      e = BCExceptionR_I_1IsZero;
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    }
-    r.reset(rLastLast->Clone(e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> q(m_field->GetZero()->Clone(e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    int32_t denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree());
-    int32_t dltInverse = m_field->Inverse(denominatorLeadingTerm, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    while (r->GetDegree() >= rLast->GetDegree() && !(r->IsZero())) {
-      int32_t degreeDiff = r->GetDegree() - rLast->GetDegree();
-      int32_t scale =
-          m_field->Multiply(r->GetCoefficients(r->GetDegree()), dltInverse);
-      std::unique_ptr<CBC_ReedSolomonGF256Poly> build(
-          m_field->BuildMonomial(degreeDiff, scale, e));
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-      q.reset(q->AddOrSubtract(build.get(), e));
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-      std::unique_ptr<CBC_ReedSolomonGF256Poly> multiply(
-          rLast->MultiplyByMonomial(degreeDiff, scale, e));
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-      r.reset(r->AddOrSubtract(multiply.get(), e));
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    }
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> temp1(
-        q->Multiply(sLast.get(), e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    s.reset(temp1->AddOrSubtract(sLastLast.get(), e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> temp5(
-        q->Multiply(tLast.get(), e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    t.reset(temp5->AddOrSubtract(tLastlast.get(), e));
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  }
-  int32_t sigmaTildeAtZero = t->GetCoefficients(0);
-  if (sigmaTildeAtZero == 0) {
-    e = BCExceptionIsZero;
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  }
-  int32_t inverse = m_field->Inverse(sigmaTildeAtZero, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> sigma(t->Multiply(inverse, e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> omega(r->Multiply(inverse, e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>* temp =
-      new CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>();
-  temp->Add(sigma.release());
-  temp->Add(omega.release());
-  return temp;
-}
-CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorLocations(
-    CBC_ReedSolomonGF256Poly* errorLocator,
-    int32_t& e) {
-  int32_t numErrors = errorLocator->GetDegree();
-  if (numErrors == 1) {
-    std::unique_ptr<CFX_Int32Array> temp(new CFX_Int32Array);
-    temp->Add(errorLocator->GetCoefficients(1));
-    return temp.release();
-  }
-  CFX_Int32Array* tempT = new CFX_Int32Array;
-  tempT->SetSize(numErrors);
-  std::unique_ptr<CFX_Int32Array> result(tempT);
-  int32_t ie = 0;
-  for (int32_t i = 1; i < 256 && ie < numErrors; i++) {
-    if (errorLocator->EvaluateAt(i) == 0) {
-      (*result)[ie] = m_field->Inverse(i, ie);
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-      ie++;
-    }
-  }
-  if (ie != numErrors) {
-    e = BCExceptionDegreeNotMatchRoots;
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  }
-  return result.release();
-}
-CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorMagnitudes(
-    CBC_ReedSolomonGF256Poly* errorEvaluator,
-    CFX_Int32Array* errorLocations,
-    FX_BOOL dataMatrix,
-    int32_t& e) {
-  int32_t s = errorLocations->GetSize();
-  CFX_Int32Array* tempArray = new CFX_Int32Array;
-  tempArray->SetSize(s);
-  std::unique_ptr<CFX_Int32Array> result(tempArray);
-  for (int32_t i = 0; i < s; i++) {
-    int32_t xiInverse = m_field->Inverse(errorLocations->operator[](i), e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    int32_t denominator = 1;
-    for (int32_t j = 0; j < s; j++) {
-      if (i != j) {
-        denominator = m_field->Multiply(
-            denominator, CBC_ReedSolomonGF256::AddOrSubtract(
-                             1, m_field->Multiply(errorLocations->operator[](j),
-                                                  xiInverse)));
-      }
-    }
-    int32_t temp = m_field->Inverse(denominator, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    (*result)[i] =
-        m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), temp);
-  }
-  return result.release();
-}
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h
deleted file mode 100644
index d42af6a27a..0000000000
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2014 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
-
-#ifndef XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_
-#define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_
-
-#include "core/fxcrt/include/fx_basic.h"
-
-class CBC_ReedSolomonGF256;
-class CBC_ReedSolomonGF256Poly;
-
-class CBC_ReedSolomonDecoder {
- public:
-  CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field);
-  virtual ~CBC_ReedSolomonDecoder();
-
-  void Decode(CFX_Int32Array* received, int32_t twoS, int32_t& e);
-  CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>* RunEuclideanAlgorithm(
-      CBC_ReedSolomonGF256Poly* a,
-      CBC_ReedSolomonGF256Poly* b,
-      int32_t R,
-      int32_t& e);
-  CFX_Int32Array* FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator,
-                                     int32_t& e);
-  CFX_Int32Array* FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator,
-                                      CFX_Int32Array* errorLocations,
-                                      FX_BOOL dataMatrix,
-                                      int32_t& e);
-
- private:
-  CBC_ReedSolomonGF256* m_field;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_