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, 267 deletions

diff --git a/xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.cpp b/xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.cpp
deleted file mode 100644
index 900036d315..0000000000
--- a/xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.cpp
+++ /dev/null
@@ -1,267 +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 2013 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 "core/fxcrt/include/fx_basic.h"
-#include "xfa/fxbarcode/BC_ResultPoint.h"
-#include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeMetadata.h"
-#include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeValue.h"
-#include "xfa/fxbarcode/pdf417/BC_PDF417BoundingBox.h"
-#include "xfa/fxbarcode/pdf417/BC_PDF417Codeword.h"
-#include "xfa/fxbarcode/pdf417/BC_PDF417Common.h"
-#include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.h"
-#include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.h"
-#include "xfa/fxbarcode/utils.h"
-
-CBC_DetectionResultRowIndicatorColumn::CBC_DetectionResultRowIndicatorColumn(
-    CBC_BoundingBox* boundingBox,
-    FX_BOOL isLeft)
-    : CBC_DetectionResultColumn(boundingBox) {
-  m_isLeft = isLeft;
-}
-CBC_DetectionResultRowIndicatorColumn::
-    ~CBC_DetectionResultRowIndicatorColumn() {}
-void CBC_DetectionResultRowIndicatorColumn::setRowNumbers() {
-  for (int32_t i = 0; i < m_codewords->GetSize(); i++) {
-    CBC_Codeword* codeword = m_codewords->GetAt(i);
-    if (codeword) {
-      codeword->setRowNumberAsRowIndicatorColumn();
-    }
-  }
-}
-int32_t
-CBC_DetectionResultRowIndicatorColumn::adjustCompleteIndicatorColumnRowNumbers(
-    CBC_BarcodeMetadata barcodeMetadata) {
-  CFX_ArrayTemplate<CBC_Codeword*>* codewords = getCodewords();
-  setRowNumbers();
-  removeIncorrectCodewords(codewords, barcodeMetadata);
-  CBC_BoundingBox* boundingBox = getBoundingBox();
-  CBC_ResultPoint* top =
-      m_isLeft ? boundingBox->getTopLeft() : boundingBox->getTopRight();
-  CBC_ResultPoint* bottom =
-      m_isLeft ? boundingBox->getBottomLeft() : boundingBox->getBottomRight();
-  int32_t firstRow = imageRowToCodewordIndex((int32_t)top->GetY());
-  int32_t lastRow = imageRowToCodewordIndex((int32_t)bottom->GetY());
-  FX_FLOAT averageRowHeight =
-      (lastRow - firstRow) / (FX_FLOAT)barcodeMetadata.getRowCount();
-  int32_t barcodeRow = -1;
-  int32_t maxRowHeight = 1;
-  int32_t currentRowHeight = 0;
-  for (int32_t codewordsRow = firstRow; codewordsRow < lastRow;
-       codewordsRow++) {
-    if (!codewords->GetAt(codewordsRow))
-      continue;
-
-    CBC_Codeword* codeword = codewords->GetAt(codewordsRow);
-    int32_t rowDifference = codeword->getRowNumber() - barcodeRow;
-    if (rowDifference == 0) {
-      currentRowHeight++;
-    } else if (rowDifference == 1) {
-      maxRowHeight =
-          maxRowHeight > currentRowHeight ? maxRowHeight : currentRowHeight;
-      currentRowHeight = 1;
-      barcodeRow = codeword->getRowNumber();
-    } else if (rowDifference < 0) {
-      codewords->SetAt(codewordsRow, nullptr);
-    } else if (codeword->getRowNumber() >= barcodeMetadata.getRowCount()) {
-      codewords->SetAt(codewordsRow, nullptr);
-    } else if (rowDifference > codewordsRow) {
-      codewords->SetAt(codewordsRow, nullptr);
-    } else {
-      int32_t checkedRows;
-      if (maxRowHeight > 2) {
-        checkedRows = (maxRowHeight - 2) * rowDifference;
-      } else {
-        checkedRows = rowDifference;
-      }
-      FX_BOOL closePreviousCodewordFound = checkedRows >= codewordsRow;
-      for (int32_t i = 1; i <= checkedRows && !closePreviousCodewordFound;
-           i++) {
-        closePreviousCodewordFound = !!codewords->GetAt(codewordsRow - i);
-      }
-      if (closePreviousCodewordFound) {
-        codewords->SetAt(codewordsRow, nullptr);
-      } else {
-        barcodeRow = codeword->getRowNumber();
-        currentRowHeight = 1;
-      }
-    }
-  }
-  return (int32_t)(averageRowHeight + 0.5);
-}
-CFX_Int32Array* CBC_DetectionResultRowIndicatorColumn::getRowHeights(
-    int32_t& e) {
-  CBC_BarcodeMetadata* barcodeMetadata = getBarcodeMetadata();
-  if (!barcodeMetadata) {
-    e = BCExceptionCannotMetadata;
-    return nullptr;
-  }
-  adjustIncompleteIndicatorColumnRowNumbers(*barcodeMetadata);
-  CFX_Int32Array* result = new CFX_Int32Array;
-  result->SetSize(barcodeMetadata->getRowCount());
-  for (int32_t i = 0; i < getCodewords()->GetSize(); i++) {
-    CBC_Codeword* codeword = getCodewords()->GetAt(i);
-    if (codeword) {
-      result->SetAt(codeword->getRowNumber(),
-                    result->GetAt(codeword->getRowNumber()) + 1);
-    }
-  }
-  return result;
-}
-int32_t CBC_DetectionResultRowIndicatorColumn::
-    adjustIncompleteIndicatorColumnRowNumbers(
-        CBC_BarcodeMetadata barcodeMetadata) {
-  CBC_BoundingBox* boundingBox = getBoundingBox();
-  CBC_ResultPoint* top =
-      m_isLeft ? boundingBox->getTopLeft() : boundingBox->getTopRight();
-  CBC_ResultPoint* bottom =
-      m_isLeft ? boundingBox->getBottomLeft() : boundingBox->getBottomRight();
-  int32_t firstRow = imageRowToCodewordIndex((int32_t)top->GetY());
-  int32_t lastRow = imageRowToCodewordIndex((int32_t)bottom->GetY());
-  FX_FLOAT averageRowHeight =
-      (lastRow - firstRow) / (FX_FLOAT)barcodeMetadata.getRowCount();
-  CFX_ArrayTemplate<CBC_Codeword*>* codewords = getCodewords();
-  int32_t barcodeRow = -1;
-  int32_t maxRowHeight = 1;
-  int32_t currentRowHeight = 0;
-  for (int32_t codewordsRow = firstRow; codewordsRow < lastRow;
-       codewordsRow++) {
-    if (!codewords->GetAt(codewordsRow))
-      continue;
-
-    CBC_Codeword* codeword = codewords->GetAt(codewordsRow);
-    codeword->setRowNumberAsRowIndicatorColumn();
-    int32_t rowDifference = codeword->getRowNumber() - barcodeRow;
-    if (rowDifference == 0) {
-      currentRowHeight++;
-    } else if (rowDifference == 1) {
-      maxRowHeight =
-          maxRowHeight > currentRowHeight ? maxRowHeight : currentRowHeight;
-      currentRowHeight = 1;
-      barcodeRow = codeword->getRowNumber();
-    } else if (codeword->getRowNumber() >= barcodeMetadata.getRowCount()) {
-      codewords->SetAt(codewordsRow, nullptr);
-    } else {
-      barcodeRow = codeword->getRowNumber();
-      currentRowHeight = 1;
-    }
-  }
-  return (int32_t)(averageRowHeight + 0.5);
-}
-CBC_BarcodeMetadata*
-CBC_DetectionResultRowIndicatorColumn::getBarcodeMetadata() {
-  CFX_ArrayTemplate<CBC_Codeword*>* codewords = getCodewords();
-  CBC_BarcodeValue barcodeColumnCount;
-  CBC_BarcodeValue barcodeRowCountUpperPart;
-  CBC_BarcodeValue barcodeRowCountLowerPart;
-  CBC_BarcodeValue barcodeECLevel;
-  for (int32_t i = 0; i < codewords->GetSize(); i++) {
-    CBC_Codeword* codeword = codewords->GetAt(i);
-    if (!codeword)
-      continue;
-
-    codeword->setRowNumberAsRowIndicatorColumn();
-    int32_t rowIndicatorValue = codeword->getValue() % 30;
-    int32_t codewordRowNumber = codeword->getRowNumber();
-    if (!m_isLeft) {
-      codewordRowNumber += 2;
-    }
-    switch (codewordRowNumber % 3) {
-      case 0:
-        barcodeRowCountUpperPart.setValue(rowIndicatorValue * 3 + 1);
-        break;
-      case 1:
-        barcodeECLevel.setValue(rowIndicatorValue / 3);
-        barcodeRowCountLowerPart.setValue(rowIndicatorValue % 3);
-        break;
-      case 2:
-        barcodeColumnCount.setValue(rowIndicatorValue + 1);
-        break;
-    }
-  }
-  if ((barcodeColumnCount.getValue()->GetSize() == 0) ||
-      (barcodeRowCountUpperPart.getValue()->GetSize() == 0) ||
-      (barcodeRowCountLowerPart.getValue()->GetSize() == 0) ||
-      (barcodeECLevel.getValue()->GetSize() == 0) ||
-      barcodeColumnCount.getValue()->GetAt(0) < 1 ||
-      barcodeRowCountUpperPart.getValue()->GetAt(0) +
-              barcodeRowCountLowerPart.getValue()->GetAt(0) <
-          CBC_PDF417Common::MIN_ROWS_IN_BARCODE ||
-      barcodeRowCountUpperPart.getValue()->GetAt(0) +
-              barcodeRowCountLowerPart.getValue()->GetAt(0) >
-          CBC_PDF417Common::MAX_ROWS_IN_BARCODE) {
-    return nullptr;
-  }
-  CBC_BarcodeMetadata* barcodeMetadata =
-      new CBC_BarcodeMetadata(barcodeColumnCount.getValue()->GetAt(0),
-                              barcodeRowCountUpperPart.getValue()->GetAt(0),
-                              barcodeRowCountLowerPart.getValue()->GetAt(0),
-                              barcodeECLevel.getValue()->GetAt(0));
-  removeIncorrectCodewords(codewords, *barcodeMetadata);
-  return barcodeMetadata;
-}
-FX_BOOL CBC_DetectionResultRowIndicatorColumn::isLeft() {
-  return m_isLeft;
-}
-CFX_ByteString CBC_DetectionResultRowIndicatorColumn::toString() {
-  return CFX_ByteString("IsLeft: ") + m_isLeft + '\n' +
-         CBC_DetectionResultColumn::toString();
-}
-void CBC_DetectionResultRowIndicatorColumn::removeIncorrectCodewords(
-    CFX_ArrayTemplate<CBC_Codeword*>* codewords,
-    CBC_BarcodeMetadata barcodeMetadata) {
-  for (int32_t codewordRow = 0; codewordRow < codewords->GetSize();
-       codewordRow++) {
-    CBC_Codeword* codeword = codewords->GetAt(codewordRow);
-    if (!codeword)
-      continue;
-
-    int32_t rowIndicatorValue = codeword->getValue() % 30;
-    int32_t codewordRowNumber = codeword->getRowNumber();
-    if (codewordRowNumber > barcodeMetadata.getRowCount()) {
-      codewords->SetAt(codewordRow, nullptr);
-      continue;
-    }
-    if (!m_isLeft) {
-      codewordRowNumber += 2;
-    }
-    switch (codewordRowNumber % 3) {
-      case 0:
-        if (rowIndicatorValue * 3 + 1 !=
-            barcodeMetadata.getRowCountUpperPart()) {
-          codewords->SetAt(codewordRow, nullptr);
-        }
-        break;
-      case 1:
-        if (rowIndicatorValue / 3 !=
-                barcodeMetadata.getErrorCorrectionLevel() ||
-            rowIndicatorValue % 3 != barcodeMetadata.getRowCountLowerPart()) {
-          codewords->SetAt(codewordRow, nullptr);
-        }
-        break;
-      case 2:
-        if (rowIndicatorValue + 1 != barcodeMetadata.getColumnCount()) {
-          codewords->SetAt(codewordRow, nullptr);
-        }
-        break;
-    }
-  }
-}