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, 213 deletions

diff --git a/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp b/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp
deleted file mode 100644
index 0fa0e9a29b..0000000000
--- a/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp
+++ /dev/null
@@ -1,213 +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/oned/BC_OnedCodaBarReader.h"
-
-#include <algorithm>
-#include <memory>
-
-#include "core/fxcrt/include/fx_basic.h"
-#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_OnedCode39Reader.h"
-#include "xfa/fxbarcode/utils.h"
-
-const FX_CHAR* CBC_OnedCodaBarReader::ALPHABET_STRING =
-    "0123456789-$:/.+ABCDTN";
-const int32_t CBC_OnedCodaBarReader::CHARACTER_ENCODINGS[22] = {
-    0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024,
-    0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015,
-    0x01A, 0x029, 0x00B, 0x00E, 0x01A, 0x029};
-const FX_CHAR CBC_OnedCodaBarReader::STARTEND_ENCODING[8] = {
-    'E', '*', 'A', 'B', 'C', 'D', 'T', 'N'};
-
-CBC_OnedCodaBarReader::CBC_OnedCodaBarReader() {}
-CBC_OnedCodaBarReader::~CBC_OnedCodaBarReader() {}
-CFX_ByteString CBC_OnedCodaBarReader::DecodeRow(int32_t rowNumber,
-                                                CBC_CommonBitArray* row,
-                                                int32_t hints,
-                                                int32_t& e) {
-  std::unique_ptr<CFX_Int32Array> start(FindAsteriskPattern(row, e));
-  BC_EXCEPTION_CHECK_ReturnValue(e, "");
-  (*start)[1] = 0;
-  int32_t nextStart = (*start)[1];
-  int32_t end = row->GetSize();
-  while (nextStart < end && !row->Get(nextStart)) {
-    nextStart++;
-  }
-  CFX_ByteString result;
-  CFX_Int32Array counters;
-  counters.SetSize(7);
-  FX_CHAR decodedChar;
-  int32_t lastStart;
-  do {
-    RecordPattern(row, nextStart, &counters, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, "");
-    decodedChar = ToNarrowWidePattern(&counters);
-    if (decodedChar == '!') {
-      e = BCExceptionNotFound;
-      return "";
-    }
-    result += decodedChar;
-    lastStart = nextStart;
-    for (int32_t i = 0; i < counters.GetSize(); i++) {
-      nextStart += counters[i];
-    }
-    while (nextStart < end && !row->Get(nextStart)) {
-      nextStart++;
-    }
-  } while (nextStart < end);
-  int32_t lastPatternSize = 0;
-  for (int32_t j = 0; j < counters.GetSize(); j++) {
-    lastPatternSize += counters[j];
-  }
-  int32_t whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize;
-  if (nextStart != end && (whiteSpaceAfterEnd / 2 < lastPatternSize)) {
-    e = BCExceptionNotFound;
-    return "";
-  }
-  if (result.GetLength() < 2) {
-    e = BCExceptionNotFound;
-    return "";
-  }
-  FX_CHAR startchar = result[0];
-  if (!ArrayContains(STARTEND_ENCODING, startchar)) {
-    e = BCExceptionNotFound;
-    return "";
-  }
-  int32_t len = result.GetLength();
-  CFX_ByteString temp = result;
-  for (int32_t k = 1; k < result.GetLength(); k++) {
-    if (ArrayContains(STARTEND_ENCODING, result[k])) {
-      if ((k + 1) != result.GetLength()) {
-        result.Delete(1, k);
-        k = 1;
-      }
-    }
-  }
-  if (result.GetLength() < 5) {
-    int32_t index =
-        temp.Find(result.Mid(1, result.GetLength() - 1).AsStringC());
-    if (index == len - (result.GetLength() - 1)) {
-      e = BCExceptionNotFound;
-      return "";
-    }
-  }
-  if (result.GetLength() > minCharacterLength) {
-    result = result.Mid(1, result.GetLength() - 2);
-  } else {
-    e = BCExceptionNotFound;
-    return "";
-  }
-  return result;
-}
-CFX_Int32Array* CBC_OnedCodaBarReader::FindAsteriskPattern(
-    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(7);
-  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) {
-        if (ArrayContains(STARTEND_ENCODING, ToNarrowWidePattern(&counters))) {
-          FX_BOOL btemp3 =
-              row->IsRange(std::max(0, patternStart - (i - patternStart) / 2),
-                           patternStart, FALSE, e);
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-          if (btemp3) {
-            CFX_Int32Array* result = new CFX_Int32Array();
-            result->SetSize(2);
-            (*result)[0] = patternStart;
-            (*result)[1] = i;
-            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;
-}
-FX_BOOL CBC_OnedCodaBarReader::ArrayContains(const FX_CHAR array[],
-                                             FX_CHAR key) {
-  for (int32_t i = 0; i < 8; i++) {
-    if (array[i] == key) {
-      return TRUE;
-    }
-  }
-  return FALSE;
-}
-FX_CHAR CBC_OnedCodaBarReader::ToNarrowWidePattern(CFX_Int32Array* counter) {
-  int32_t numCounters = counter->GetSize();
-  if (numCounters < 1) {
-    return '!';
-  }
-  int32_t averageCounter = 0;
-  int32_t totalCounters = 0;
-  for (int32_t i = 0; i < numCounters; i++) {
-    totalCounters += (*counter)[i];
-  }
-  averageCounter = totalCounters / numCounters;
-  int32_t pattern = 0;
-  int32_t wideCounters = 0;
-  for (int32_t j = 0; j < numCounters; j++) {
-    if ((*counter)[j] > averageCounter) {
-      pattern |= 1 << (numCounters - 1 - j);
-      wideCounters++;
-    }
-  }
-  if ((wideCounters == 2) || (wideCounters == 3)) {
-    for (int32_t k = 0; k < 22; k++) {
-      if (CHARACTER_ENCODINGS[k] == pattern) {
-        return (ALPHABET_STRING)[k];
-      }
-    }
-  }
-  return '!';
-}