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, 111 deletions

diff --git a/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp b/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp
deleted file mode 100644
index 1c85aa16d7..0000000000
--- a/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp
+++ /dev/null
@@ -1,111 +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_QRCoderFormatInformation.h"
-
-#include <limits>
-
-#include "xfa/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h"
-#include "xfa/fxbarcode/utils.h"
-
-namespace {
-
-const uint16_t FORMAT_INFO_MASK_QR = 0X5412;
-
-struct DecodeInfo {
-  uint16_t target;
-  uint16_t format;
-};
-const DecodeInfo FORMAT_INFO_DECODE_LOOKUP[32] = {
-    {0x5412, 0x00}, {0x5125, 0x01}, {0x5E7C, 0x02}, {0x5B4B, 0x03},
-    {0x45F9, 0x04}, {0x40CE, 0x05}, {0x4F97, 0x06}, {0x4AA0, 0x07},
-    {0x77C4, 0x08}, {0x72F3, 0x09}, {0x7DAA, 0x0A}, {0x789D, 0x0B},
-    {0x662F, 0x0C}, {0x6318, 0x0D}, {0x6C41, 0x0E}, {0x6976, 0x0F},
-    {0x1689, 0x10}, {0x13BE, 0x11}, {0x1CE7, 0x12}, {0x19D0, 0x13},
-    {0x0762, 0x14}, {0x0255, 0x15}, {0x0D0C, 0x16}, {0x083B, 0x17},
-    {0x355F, 0x18}, {0x3068, 0x19}, {0x3F31, 0x1A}, {0x3A06, 0x1B},
-    {0x24B4, 0x1C}, {0x2183, 0x1D}, {0x2EDA, 0x1E}, {0x2BED, 0x1F},
-};
-const uint8_t BITS_SET_IN_HALF_BYTE[] = {0, 1, 1, 2, 1, 2, 2, 3,
-                                         1, 2, 2, 3, 2, 3, 3, 4};
-
-CBC_QRCoderFormatInformation* DoDecodeFormatInformation(
-    int32_t maskedFormatInfo) {
-  int32_t bestDifference = std::numeric_limits<int32_t>::max();
-  int32_t bestFormatInfo = 0;
-  for (int32_t i = 0; i < 32; ++i) {
-    const DecodeInfo& decodeInfo = FORMAT_INFO_DECODE_LOOKUP[i];
-    if (decodeInfo.target == maskedFormatInfo)
-      return new CBC_QRCoderFormatInformation(decodeInfo.format);
-
-    int32_t bitsDifference = CBC_QRCoderFormatInformation::NumBitsDiffering(
-        maskedFormatInfo, decodeInfo.target);
-    if (bitsDifference < bestDifference) {
-      bestFormatInfo = decodeInfo.format;
-      bestDifference = bitsDifference;
-    }
-  }
-  if (bestDifference > 3)
-    return nullptr;
-  return new CBC_QRCoderFormatInformation(bestFormatInfo);
-}
-
-}  // namespace
-
-CBC_QRCoderFormatInformation::CBC_QRCoderFormatInformation(int32_t formatInfo)
-    : m_dataMask(static_cast<uint8_t>(formatInfo & 0x07)) {
-  m_errorCorrectLevel =
-      CBC_QRCoderErrorCorrectionLevel::ForBits((formatInfo >> 3) & 0x03);
-}
-
-CBC_QRCoderFormatInformation::~CBC_QRCoderFormatInformation() {}
-int32_t CBC_QRCoderFormatInformation::NumBitsDiffering(int32_t a, int32_t b) {
-  a ^= b;
-  return BITS_SET_IN_HALF_BYTE[a & 0x0F] +
-         BITS_SET_IN_HALF_BYTE[(a >> 4) & 0x0F] +
-         BITS_SET_IN_HALF_BYTE[(a >> 8) & 0x0F] +
-         BITS_SET_IN_HALF_BYTE[(a >> 12) & 0x0F] +
-         BITS_SET_IN_HALF_BYTE[(a >> 16) & 0x0F] +
-         BITS_SET_IN_HALF_BYTE[(a >> 20) & 0x0F] +
-         BITS_SET_IN_HALF_BYTE[(a >> 24) & 0x0F] +
-         BITS_SET_IN_HALF_BYTE[(a >> 28) & 0x0F];
-}
-uint8_t CBC_QRCoderFormatInformation::GetDataMask() const {
-  return m_dataMask;
-}
-
-// static
-CBC_QRCoderErrorCorrectionLevel*
-CBC_QRCoderFormatInformation::GetErrorCorrectionLevel() {
-  return m_errorCorrectLevel;
-}
-
-// static
-CBC_QRCoderFormatInformation*
-CBC_QRCoderFormatInformation::DecodeFormatInformation(
-    int32_t maskedFormatInfo) {
-  CBC_QRCoderFormatInformation* formatInfo =
-      DoDecodeFormatInformation(maskedFormatInfo);
-  if (formatInfo)
-    return formatInfo;
-  return DoDecodeFormatInformation(maskedFormatInfo ^ FORMAT_INFO_MASK_QR);
-}