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

1 files changed, 0 insertions, 109 deletions

diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp
deleted file mode 100644
index 5bfd51b09a..0000000000
--- a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp
+++ /dev/null
@@ -1,109 +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/datamatrix/BC_DataMatrixDecoder.h"
-
-#include <memory>
-
-#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h"
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-#include "xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h"
-#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.h"
-#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.h"
-#include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
-
-CBC_DataMatrixDecoder::CBC_DataMatrixDecoder() {
-  m_rsDecoder = nullptr;
-}
-void CBC_DataMatrixDecoder::Init() {
-  m_rsDecoder =
-      new CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::DataMatrixField);
-}
-CBC_DataMatrixDecoder::~CBC_DataMatrixDecoder() {
-  delete m_rsDecoder;
-}
-
-CBC_CommonDecoderResult* CBC_DataMatrixDecoder::Decode(
-    CBC_CommonBitMatrix* bits,
-    int32_t& e) {
-  CBC_DataMatrixBitMatrixParser parser;
-  parser.Init(bits, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  CBC_DataMatrixVersion* version = parser.GetVersion();
-  std::unique_ptr<CFX_ByteArray> codewords(parser.ReadCodewords(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  CFX_ArrayTemplate<CBC_DataMatrixDataBlock*>* dataBlocks =
-      CBC_DataMatrixDataBlock::GetDataBlocks(codewords.get(), version, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  int32_t dataBlocksCount = dataBlocks->GetSize();
-  int32_t totalBytes = 0;
-  for (int32_t i = 0; i < dataBlocksCount; i++) {
-    totalBytes += (*dataBlocks)[i]->GetNumDataCodewords();
-  }
-  CFX_ByteArray resultBytes;
-  resultBytes.SetSize(totalBytes);
-  for (int32_t j = 0; j < dataBlocksCount; j++) {
-    CFX_ByteArray* codewordBytes = (*dataBlocks)[j]->GetCodewords();
-    int32_t numDataCodewords = (*dataBlocks)[j]->GetNumDataCodewords();
-    CorrectErrors(*codewordBytes, numDataCodewords, e);
-    if (e != BCExceptionNO) {
-      for (int32_t i = 0; i < dataBlocks->GetSize(); i++) {
-        delete (*dataBlocks)[i];
-      }
-      delete dataBlocks;
-      return nullptr;
-    }
-    for (int32_t i = 0; i < numDataCodewords; i++) {
-      resultBytes[i * dataBlocksCount + j] = (*codewordBytes)[i];
-    }
-  }
-  for (int32_t i = 0; i < (dataBlocks->GetSize()); i++) {
-    delete (*dataBlocks)[i];
-  }
-  delete dataBlocks;
-  CBC_CommonDecoderResult* resultR =
-      CBC_DataMatrixDecodedBitStreamParser::Decode(resultBytes, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  return resultR;
-}
-
-void CBC_DataMatrixDecoder::CorrectErrors(CFX_ByteArray& codewordBytes,
-                                          int32_t numDataCodewords,
-                                          int32_t& e) {
-  int32_t numCodewords = codewordBytes.GetSize();
-  CFX_Int32Array codewordsInts;
-  codewordsInts.SetSize(numCodewords);
-  int32_t i;
-  for (i = 0; i < numCodewords; i++) {
-    codewordsInts[i] = codewordBytes[i] & 0xFF;
-  }
-  int32_t numECCodewords = codewordBytes.GetSize() - numDataCodewords;
-  m_rsDecoder->Decode(&codewordsInts, numECCodewords, e);
-  if (e != BCExceptionNO) {
-    e = BCExceptionChecksumException;
-    return;
-  }
-  for (i = 0; i < numDataCodewords; i++) {
-    codewordBytes[i] = (uint8_t)codewordsInts[i];
-  }
-}