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, 349 deletions

diff --git a/xfa/fxbarcode/oned/BC_OnedCode128Reader.cpp b/xfa/fxbarcode/oned/BC_OnedCode128Reader.cpp
deleted file mode 100644
index b868327a37..0000000000
--- a/xfa/fxbarcode/oned/BC_OnedCode128Reader.cpp
+++ /dev/null
@@ -1,349 +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 <algorithm>
-
-#include "xfa/fxbarcode/BC_Reader.h"
-#include "xfa/fxbarcode/common/BC_CommonBitArray.h"
-#include "xfa/fxbarcode/oned/BC_OneDReader.h"
-#include "xfa/fxbarcode/oned/BC_OnedCode128Reader.h"
-#include "xfa/fxbarcode/utils.h"
-
-const int32_t CBC_OnedCode128Reader::CODE_PATTERNS[107][7] = {
-    {2, 1, 2, 2, 2, 2, 0}, {2, 2, 2, 1, 2, 2, 0}, {2, 2, 2, 2, 2, 1, 0},
-    {1, 2, 1, 2, 2, 3, 0}, {1, 2, 1, 3, 2, 2, 0}, {1, 3, 1, 2, 2, 2, 0},
-    {1, 2, 2, 2, 1, 3, 0}, {1, 2, 2, 3, 1, 2, 0}, {1, 3, 2, 2, 1, 2, 0},
-    {2, 2, 1, 2, 1, 3, 0}, {2, 2, 1, 3, 1, 2, 0}, {2, 3, 1, 2, 1, 2, 0},
-    {1, 1, 2, 2, 3, 2, 0}, {1, 2, 2, 1, 3, 2, 0}, {1, 2, 2, 2, 3, 1, 0},
-    {1, 1, 3, 2, 2, 2, 0}, {1, 2, 3, 1, 2, 2, 0}, {1, 2, 3, 2, 2, 1, 0},
-    {2, 2, 3, 2, 1, 1, 0}, {2, 2, 1, 1, 3, 2, 0}, {2, 2, 1, 2, 3, 1, 0},
-    {2, 1, 3, 2, 1, 2, 0}, {2, 2, 3, 1, 1, 2, 0}, {3, 1, 2, 1, 3, 1, 0},
-    {3, 1, 1, 2, 2, 2, 0}, {3, 2, 1, 1, 2, 2, 0}, {3, 2, 1, 2, 2, 1, 0},
-    {3, 1, 2, 2, 1, 2, 0}, {3, 2, 2, 1, 1, 2, 0}, {3, 2, 2, 2, 1, 1, 0},
-    {2, 1, 2, 1, 2, 3, 0}, {2, 1, 2, 3, 2, 1, 0}, {2, 3, 2, 1, 2, 1, 0},
-    {1, 1, 1, 3, 2, 3, 0}, {1, 3, 1, 1, 2, 3, 0}, {1, 3, 1, 3, 2, 1, 0},
-    {1, 1, 2, 3, 1, 3, 0}, {1, 3, 2, 1, 1, 3, 0}, {1, 3, 2, 3, 1, 1, 0},
-    {2, 1, 1, 3, 1, 3, 0}, {2, 3, 1, 1, 1, 3, 0}, {2, 3, 1, 3, 1, 1, 0},
-    {1, 1, 2, 1, 3, 3, 0}, {1, 1, 2, 3, 3, 1, 0}, {1, 3, 2, 1, 3, 1, 0},
-    {1, 1, 3, 1, 2, 3, 0}, {1, 1, 3, 3, 2, 1, 0}, {1, 3, 3, 1, 2, 1, 0},
-    {3, 1, 3, 1, 2, 1, 0}, {2, 1, 1, 3, 3, 1, 0}, {2, 3, 1, 1, 3, 1, 0},
-    {2, 1, 3, 1, 1, 3, 0}, {2, 1, 3, 3, 1, 1, 0}, {2, 1, 3, 1, 3, 1, 0},
-    {3, 1, 1, 1, 2, 3, 0}, {3, 1, 1, 3, 2, 1, 0}, {3, 3, 1, 1, 2, 1, 0},
-    {3, 1, 2, 1, 1, 3, 0}, {3, 1, 2, 3, 1, 1, 0}, {3, 3, 2, 1, 1, 1, 0},
-    {3, 1, 4, 1, 1, 1, 0}, {2, 2, 1, 4, 1, 1, 0}, {4, 3, 1, 1, 1, 1, 0},
-    {1, 1, 1, 2, 2, 4, 0}, {1, 1, 1, 4, 2, 2, 0}, {1, 2, 1, 1, 2, 4, 0},
-    {1, 2, 1, 4, 2, 1, 0}, {1, 4, 1, 1, 2, 2, 0}, {1, 4, 1, 2, 2, 1, 0},
-    {1, 1, 2, 2, 1, 4, 0}, {1, 1, 2, 4, 1, 2, 0}, {1, 2, 2, 1, 1, 4, 0},
-    {1, 2, 2, 4, 1, 1, 0}, {1, 4, 2, 1, 1, 2, 0}, {1, 4, 2, 2, 1, 1, 0},
-    {2, 4, 1, 2, 1, 1, 0}, {2, 2, 1, 1, 1, 4, 0}, {4, 1, 3, 1, 1, 1, 0},
-    {2, 4, 1, 1, 1, 2, 0}, {1, 3, 4, 1, 1, 1, 0}, {1, 1, 1, 2, 4, 2, 0},
-    {1, 2, 1, 1, 4, 2, 0}, {1, 2, 1, 2, 4, 1, 0}, {1, 1, 4, 2, 1, 2, 0},
-    {1, 2, 4, 1, 1, 2, 0}, {1, 2, 4, 2, 1, 1, 0}, {4, 1, 1, 2, 1, 2, 0},
-    {4, 2, 1, 1, 1, 2, 0}, {4, 2, 1, 2, 1, 1, 0}, {2, 1, 2, 1, 4, 1, 0},
-    {2, 1, 4, 1, 2, 1, 0}, {4, 1, 2, 1, 2, 1, 0}, {1, 1, 1, 1, 4, 3, 0},
-    {1, 1, 1, 3, 4, 1, 0}, {1, 3, 1, 1, 4, 1, 0}, {1, 1, 4, 1, 1, 3, 0},
-    {1, 1, 4, 3, 1, 1, 0}, {4, 1, 1, 1, 1, 3, 0}, {4, 1, 1, 3, 1, 1, 0},
-    {1, 1, 3, 1, 4, 1, 0}, {1, 1, 4, 1, 3, 1, 0}, {3, 1, 1, 1, 4, 1, 0},
-    {4, 1, 1, 1, 3, 1, 0}, {2, 1, 1, 4, 1, 2, 0}, {2, 1, 1, 2, 1, 4, 0},
-    {2, 1, 1, 2, 3, 2, 0}, {2, 3, 3, 1, 1, 1, 2}};
-
-CBC_OnedCode128Reader::CBC_OnedCode128Reader() {}
-CBC_OnedCode128Reader::~CBC_OnedCode128Reader() {}
-CFX_Int32Array* CBC_OnedCode128Reader::FindStartPattern(CBC_CommonBitArray* row,
-                                                        int32_t& e) {
-  int32_t width = row->GetSize();
-  int32_t rowOffset = 0;
-  while (rowOffset < width) {
-    if (row->Get(rowOffset)) {
-      break;
-    }
-    rowOffset++;
-  }
-  int32_t counterPosition = 0;
-  CFX_Int32Array counters;
-  counters.SetSize(6);
-  int32_t patternStart = rowOffset;
-  FX_BOOL isWhite = FALSE;
-  int32_t patternLength = counters.GetSize();
-  for (int32_t i = rowOffset; i < width; i++) {
-    FX_BOOL pixel = row->Get(i);
-    if (pixel ^ isWhite) {
-      counters[counterPosition]++;
-    } else {
-      if (counterPosition == patternLength - 1) {
-        int32_t bestVariance = MAX_AVG_VARIANCE;
-        int32_t bestMatch = -1;
-        for (int32_t startCode = CODE_START_A; startCode <= CODE_START_C;
-             startCode++) {
-          int32_t variance = PatternMatchVariance(
-              &counters, &CODE_PATTERNS[startCode][0], MAX_INDIVIDUAL_VARIANCE);
-          if (variance < bestVariance) {
-            bestVariance = variance;
-            bestMatch = startCode;
-          }
-        }
-        if (bestMatch >= 0) {
-          FX_BOOL btemp2 =
-              row->IsRange(std::max(0, patternStart - (i - patternStart) / 2),
-                           patternStart, FALSE, e);
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-          if (btemp2) {
-            CFX_Int32Array* result = new CFX_Int32Array;
-            result->SetSize(3);
-            (*result)[0] = patternStart;
-            (*result)[1] = i;
-            (*result)[2] = bestMatch;
-            return result;
-          }
-        }
-        patternStart += counters[0] + counters[1];
-        for (int32_t y = 2; y < patternLength; y++) {
-          counters[y - 2] = counters[y];
-        }
-        counters[patternLength - 2] = 0;
-        counters[patternLength - 1] = 0;
-        counterPosition--;
-      } else {
-        counterPosition++;
-      }
-      counters[counterPosition] = 1;
-      isWhite = !isWhite;
-    }
-  }
-  e = BCExceptionNotFound;
-  return nullptr;
-}
-int32_t CBC_OnedCode128Reader::DecodeCode(CBC_CommonBitArray* row,
-                                          CFX_Int32Array* counters,
-                                          int32_t rowOffset,
-                                          int32_t& e) {
-  RecordPattern(row, rowOffset, counters, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-  int32_t bestVariance = MAX_AVG_VARIANCE;
-  int32_t bestMatch = -1;
-  for (int32_t d = 0; d < 107; d++) {
-    int32_t variance = PatternMatchVariance(counters, &CODE_PATTERNS[d][0],
-                                            MAX_INDIVIDUAL_VARIANCE);
-    if (variance < bestVariance) {
-      bestVariance = variance;
-      bestMatch = d;
-    }
-  }
-  if (bestMatch >= 0) {
-    return bestMatch;
-  }
-  e = BCExceptionNotFound;
-  return 0;
-}
-CFX_ByteString CBC_OnedCode128Reader::DecodeRow(int32_t rowNumber,
-                                                CBC_CommonBitArray* row,
-                                                int32_t hints,
-                                                int32_t& e) {
-  CFX_Int32Array* startPatternInfo = FindStartPattern(row, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, "");
-  int32_t startCode = (*startPatternInfo)[2];
-  int32_t codeSet;
-  switch (startCode) {
-    case 103:
-      codeSet = CODE_CODE_A;
-      break;
-    case 104:
-      codeSet = CODE_CODE_B;
-      break;
-    case 105:
-      codeSet = CODE_CODE_C;
-      break;
-    default:
-      if (startPatternInfo) {
-        startPatternInfo->RemoveAll();
-        delete startPatternInfo;
-        startPatternInfo = nullptr;
-      }
-      e = BCExceptionFormatException;
-      return "";
-  }
-  FX_BOOL done = FALSE;
-  FX_BOOL isNextShifted = FALSE;
-  CFX_ByteString result;
-  int32_t lastStart = (*startPatternInfo)[0];
-  int32_t nextStart = (*startPatternInfo)[1];
-  if (startPatternInfo) {
-    startPatternInfo->RemoveAll();
-    delete startPatternInfo;
-    startPatternInfo = nullptr;
-  }
-  CFX_Int32Array counters;
-  counters.SetSize(6);
-  int32_t lastCode = 0;
-  int32_t code = 0;
-  int32_t checksumTotal = startCode;
-  int32_t multiplier = 0;
-  FX_BOOL lastCharacterWasPrintable = TRUE;
-  while (!done) {
-    FX_BOOL unshift = isNextShifted;
-    isNextShifted = FALSE;
-    lastCode = code;
-    code = DecodeCode(row, &counters, nextStart, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, "");
-    if (code != CODE_STOP) {
-      lastCharacterWasPrintable = TRUE;
-    }
-    if (code != CODE_STOP) {
-      multiplier++;
-      checksumTotal += multiplier * code;
-    }
-    lastStart = nextStart;
-    for (int32_t i = 0; i < counters.GetSize(); i++) {
-      nextStart += counters[i];
-    }
-    switch (code) {
-      case 103:
-      case 104:
-      case 105:
-        e = BCExceptionFormatException;
-        return "";
-    }
-    switch (codeSet) {
-      case 101:
-        if (code < 64) {
-          result += (FX_CHAR)(' ' + code);
-        } else if (code < 96) {
-          result += (FX_CHAR)(code - 64);
-        } else {
-          if (code != CODE_STOP) {
-            lastCharacterWasPrintable = FALSE;
-          }
-          switch (code) {
-            case 102:
-            case 97:
-            case 96:
-            case 101:
-              break;
-            case 98:
-              isNextShifted = TRUE;
-              codeSet = CODE_CODE_B;
-              break;
-            case 100:
-              codeSet = CODE_CODE_B;
-              break;
-            case 99:
-              codeSet = CODE_CODE_C;
-              break;
-            case 106:
-              done = TRUE;
-              break;
-          }
-        }
-        break;
-      case 100:
-        if (code < 96) {
-          result += (FX_CHAR)(' ' + code);
-        } else {
-          if (code != CODE_STOP) {
-            lastCharacterWasPrintable = FALSE;
-          }
-          switch (code) {
-            case 102:
-            case 97:
-            case 96:
-            case 100:
-              break;
-            case 98:
-              isNextShifted = TRUE;
-              codeSet = CODE_CODE_A;
-              break;
-            case 101:
-              codeSet = CODE_CODE_A;
-              break;
-            case 99:
-              codeSet = CODE_CODE_C;
-              break;
-            case 106:
-              done = TRUE;
-              break;
-          }
-        }
-        break;
-      case 99:
-        if (code < 100) {
-          if (code < 10) {
-            result += '0';
-          }
-          FX_CHAR temp[128];
-          // TODO(dsinclair): Should this be snprintf?
-          sprintf(temp, "%d", code);
-          result += temp;
-        } else {
-          if (code != CODE_STOP) {
-            lastCharacterWasPrintable = FALSE;
-          }
-          switch (code) {
-            case 102:
-              break;
-            case 101:
-              codeSet = CODE_CODE_A;
-              break;
-            case 100:
-              codeSet = CODE_CODE_B;
-              break;
-            case 106:
-              done = TRUE;
-              break;
-          }
-        }
-        break;
-    }
-    if (unshift) {
-      codeSet = codeSet == CODE_CODE_A ? CODE_CODE_B : CODE_CODE_A;
-    }
-  }
-  int32_t width = row->GetSize();
-  while (nextStart < width && row->Get(nextStart)) {
-    nextStart++;
-  }
-  FX_BOOL boolT1 = row->IsRange(
-      nextStart, std::min(width, nextStart + (nextStart - lastStart) / 2),
-      FALSE, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, "");
-  if (!boolT1) {
-    e = BCExceptionNotFound;
-    return "";
-  }
-  checksumTotal -= multiplier * lastCode;
-  if (checksumTotal % 103 != lastCode) {
-    e = BCExceptionChecksumException;
-    return "";
-  }
-  int32_t resultLength = result.GetLength();
-  if (resultLength > 0 && lastCharacterWasPrintable) {
-    if (codeSet == CODE_CODE_C) {
-      result = result.Mid(0, result.GetLength() - 2);
-    } else {
-      result = result.Mid(0, result.GetLength() - 1);
-    }
-  }
-  if (result.GetLength() == 0) {
-    e = BCExceptionFormatException;
-    return "";
-  }
-  return result;
-}