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, 183 deletions

diff --git a/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp b/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp
deleted file mode 100644
index 81d27538bf..0000000000
--- a/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp
+++ /dev/null
@@ -1,183 +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/qrcode/BC_QRBitMatrixParser.h"
-
-#include <memory>
-
-#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.h"
-#include "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h"
-#include "xfa/fxbarcode/qrcode/BC_QRDataMask.h"
-#include "xfa/fxbarcode/utils.h"
-
-CBC_QRBitMatrixParser::CBC_QRBitMatrixParser() {}
-void CBC_QRBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix, int32_t& e) {
-  m_dimension = bitMatrix->GetDimension(e);
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  m_tempBitMatrix = bitMatrix;
-  if (m_dimension < 21 || (m_dimension & 0x03) != 1) {
-    e = BCExceptionRead;
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-  }
-  m_bitMatrix = m_tempBitMatrix;
-  m_parsedFormatInfo = nullptr;
-  m_version = nullptr;
-}
-CBC_QRBitMatrixParser::~CBC_QRBitMatrixParser() {
-  delete m_parsedFormatInfo;
-}
-CBC_QRCoderFormatInformation* CBC_QRBitMatrixParser::ReadFormatInformation(
-    int32_t& e) {
-  if (m_parsedFormatInfo) {
-    return m_parsedFormatInfo;
-  }
-  int32_t formatInfoBits = 0;
-  int32_t j;
-  for (j = 0; j < 6; j++) {
-    formatInfoBits = CopyBit(8, j, formatInfoBits);
-  }
-  formatInfoBits = CopyBit(8, 7, formatInfoBits);
-  formatInfoBits = CopyBit(8, 8, formatInfoBits);
-  formatInfoBits = CopyBit(7, 8, formatInfoBits);
-  for (int32_t i = 5; i >= 0; i--) {
-    formatInfoBits = CopyBit(i, 8, formatInfoBits);
-  }
-  m_parsedFormatInfo =
-      CBC_QRCoderFormatInformation::DecodeFormatInformation(formatInfoBits);
-  if (m_parsedFormatInfo) {
-    return m_parsedFormatInfo;
-  }
-  int32_t dimension = m_bitMatrix->GetDimension(e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  formatInfoBits = 0;
-  int32_t iMin = dimension - 8;
-  for (j = dimension - 1; j >= iMin; j--) {
-    formatInfoBits = CopyBit(j, 8, formatInfoBits);
-  }
-  for (int32_t k = dimension - 7; k < dimension; k++) {
-    formatInfoBits = CopyBit(8, k, formatInfoBits);
-  }
-  m_parsedFormatInfo =
-      CBC_QRCoderFormatInformation::DecodeFormatInformation(formatInfoBits);
-  if (m_parsedFormatInfo) {
-    return m_parsedFormatInfo;
-  }
-  e = BCExceptionRead;
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  return nullptr;
-}
-CBC_QRCoderVersion* CBC_QRBitMatrixParser::ReadVersion(int32_t& e) {
-  if (m_version) {
-    return m_version;
-  }
-  int32_t dimension = m_bitMatrix->GetDimension(e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  int32_t provisionVersion = (dimension - 17) >> 2;
-  if (provisionVersion <= 6) {
-    CBC_QRCoderVersion* qrv =
-        CBC_QRCoderVersion::GetVersionForNumber(provisionVersion, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-    return qrv;
-  }
-  int32_t versionBits = 0;
-  for (int32_t i = 5; i >= 0; i--) {
-    int32_t jMin = dimension - 11;
-    for (int32_t j = dimension - 9; j >= jMin; j--) {
-      versionBits = CopyBit(i, j, versionBits);
-    }
-  }
-  m_version = CBC_QRCoderVersion::DecodeVersionInformation(versionBits, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  if (m_version && m_version->GetDimensionForVersion() == dimension) {
-    return m_version;
-  }
-  versionBits = 0;
-  for (int32_t j = 5; j >= 0; j--) {
-    int32_t iMin = dimension - 11;
-    for (int32_t i = dimension - 9; i >= iMin; i--) {
-      versionBits = CopyBit(i, j, versionBits);
-    }
-  }
-  m_version = CBC_QRCoderVersion::DecodeVersionInformation(versionBits, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  if (m_version && m_version->GetDimensionForVersion() == dimension) {
-    return m_version;
-  }
-  e = BCExceptionRead;
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  return nullptr;
-}
-int32_t CBC_QRBitMatrixParser::CopyBit(int32_t i,
-                                       int32_t j,
-                                       int32_t versionBits) {
-  return m_bitMatrix->Get(j, i) ? (versionBits << 1) | 0x1 : versionBits << 1;
-}
-CFX_ByteArray* CBC_QRBitMatrixParser::ReadCodewords(int32_t& e) {
-  CBC_QRCoderFormatInformation* formatInfo = ReadFormatInformation(e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr) CBC_QRCoderVersion* version =
-      ReadVersion(e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  CBC_QRDataMask* dataMask =
-      CBC_QRDataMask::ForReference((int32_t)(formatInfo->GetDataMask()), e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  int32_t dimension = m_bitMatrix->GetDimension(e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  dataMask->UnmaskBitMatrix(m_bitMatrix, dimension);
-  std::unique_ptr<CBC_CommonBitMatrix> functionPattern(
-      version->BuildFunctionPattern(e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  FX_BOOL readingUp = TRUE;
-  std::unique_ptr<CFX_ByteArray> result(new CFX_ByteArray);
-  result->SetSize(version->GetTotalCodeWords());
-  int32_t resultOffset = 0;
-  int32_t currentByte = 0;
-  int32_t bitsRead = 0;
-  for (int32_t j = dimension - 1; j > 0; j -= 2) {
-    if (j == 6) {
-      j--;
-    }
-    for (int32_t count = 0; count < dimension; count++) {
-      int32_t i = readingUp ? dimension - 1 - count : count;
-      for (int32_t col = 0; col < 2; col++) {
-        if (!functionPattern->Get(j - col, i)) {
-          bitsRead++;
-          currentByte <<= 1;
-          if (m_bitMatrix->Get(j - col, i)) {
-            currentByte |= 1;
-          }
-          if (bitsRead == 8) {
-            (*result)[resultOffset++] = (uint8_t)currentByte;
-            bitsRead = 0;
-            currentByte = 0;
-          }
-        }
-      }
-    }
-    readingUp ^= TRUE;
-  }
-  if (resultOffset != version->GetTotalCodeWords()) {
-    e = BCExceptionRead;
-    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  }
-  return result.release();
-}