1 files changed, 380 insertions, 380 deletions
diff --git a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp
index 1989c8d2f4..ac4803f785 100644
--- a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp
+++ b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp
@@ -1,380 +1,380 @@
-// 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/src/fxbarcode/barcode.h"
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "BC_DataMatrixVersion.h"
-#include "BC_DataMatrixBitMatrixParser.h"
-CBC_DataMatrixBitMatrixParser::CBC_DataMatrixBitMatrixParser() {
-  m_mappingBitMatrix = NULL;
-  m_version = NULL;
-  m_readMappingMatrix = NULL;
-}
-void CBC_DataMatrixBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix,
-                                         int32_t& e) {
-  int32_t dimension = bitMatrix->GetHeight();
-  if (dimension < 8 || dimension > 144 || (dimension & 0x01) != 0) {
-    e = BCExceptionFormatException;
-    return;
-  }
-  m_version = ReadVersion(bitMatrix, e);
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  m_mappingBitMatrix = ExtractDataRegion(bitMatrix, e);
-  BC_EXCEPTION_CHECK_ReturnVoid(e);
-  m_readMappingMatrix = new CBC_CommonBitMatrix();
-  m_readMappingMatrix->Init(m_mappingBitMatrix->GetWidth(),
-                            m_mappingBitMatrix->GetHeight());
-}
-CBC_DataMatrixBitMatrixParser::~CBC_DataMatrixBitMatrixParser() {
-  if (m_mappingBitMatrix != NULL) {
-    delete m_mappingBitMatrix;
-  }
-  m_mappingBitMatrix = NULL;
-  if (m_readMappingMatrix != NULL) {
-    delete m_readMappingMatrix;
-  }
-  m_readMappingMatrix = NULL;
-}
-CBC_DataMatrixVersion* CBC_DataMatrixBitMatrixParser::GetVersion() {
-  return m_version;
-}
-CBC_DataMatrixVersion* CBC_DataMatrixBitMatrixParser::ReadVersion(
-    CBC_CommonBitMatrix* bitMatrix,
-    int32_t& e) {
-  int32_t rows = bitMatrix->GetHeight();
-  int32_t columns = bitMatrix->GetWidth();
-  CBC_DataMatrixVersion* temp =
-      CBC_DataMatrixVersion::GetVersionForDimensions(rows, columns, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  return temp;
-}
-CFX_ByteArray* CBC_DataMatrixBitMatrixParser::ReadCodewords(int32_t& e) {
-  CBC_AutoPtr<CFX_ByteArray> result(new CFX_ByteArray());
-  result->SetSize(m_version->GetTotalCodewords());
-  int32_t resultOffset = 0;
-  int32_t row = 4;
-  int32_t column = 0;
-  int32_t numRows = m_mappingBitMatrix->GetHeight();
-  int32_t numColumns = m_mappingBitMatrix->GetWidth();
-  FX_BOOL corner1Read = FALSE;
-  FX_BOOL corner2Read = FALSE;
-  FX_BOOL corner3Read = FALSE;
-  FX_BOOL corner4Read = FALSE;
-  do {
-    if ((row == numRows) && (column == 0) && !corner1Read) {
-      (*result)[resultOffset++] = (uint8_t)ReadCorner1(numRows, numColumns);
-      row -= 2;
-      column += 2;
-      corner1Read = TRUE;
-    } else if ((row == numRows - 2) && (column == 0) &&
-               ((numColumns & 0x03) != 0) && !corner2Read) {
-      (*result)[resultOffset++] = (uint8_t)ReadCorner2(numRows, numColumns);
-      row -= 2;
-      column += 2;
-      corner2Read = TRUE;
-    } else if ((row == numRows + 4) && (column == 2) &&
-               ((numColumns & 0x07) == 0) && !corner3Read) {
-      (*result)[resultOffset++] = (uint8_t)ReadCorner3(numRows, numColumns);
-      row -= 2;
-      column += 2;
-      corner3Read = TRUE;
-    } else if ((row == numRows - 2) && (column == 0) &&
-               ((numColumns & 0x07) == 4) && !corner4Read) {
-      (*result)[resultOffset++] = (uint8_t)ReadCorner4(numRows, numColumns);
-      row -= 2;
-      column += 2;
-      corner4Read = TRUE;
-    } else {
-      do {
-        if ((row < numRows) && (column >= 0) &&
-            !m_readMappingMatrix->Get(column, row)) {
-          if (resultOffset < (*result).GetSize()) {
-            (*result)[resultOffset++] =
-                (uint8_t)ReadUtah(row, column, numRows, numColumns);
-          }
-        }
-        row -= 2;
-        column += 2;
-      } while ((row >= 0) && (column < numColumns));
-      row += 1;
-      column += 3;
-      do {
-        if ((row >= 0) && (column < numColumns) &&
-            !m_readMappingMatrix->Get(column, row)) {
-          if (resultOffset < (*result).GetSize()) {
-            (*result)[resultOffset++] =
-                (uint8_t)ReadUtah(row, column, numRows, numColumns);
-          }
-        }
-        row += 2;
-        column -= 2;
-      } while ((row < numRows) && (column >= 0));
-      row += 3;
-      column += 1;
-    }
-  } while ((row < numRows) || (column < numColumns));
-  if (resultOffset != m_version->GetTotalCodewords()) {
-    e = BCExceptionFormatException;
-    return NULL;
-  }
-  return result.release();
-}
-FX_BOOL CBC_DataMatrixBitMatrixParser::ReadModule(int32_t row,
-                                                  int32_t column,
-                                                  int32_t numRows,
-                                                  int32_t numColumns) {
-  if (row < 0) {
-    row += numRows;
-    column += 4 - ((numRows + 4) & 0x07);
-  }
-  if (column < 0) {
-    column += numColumns;
-    row += 4 - ((numColumns + 4) & 0x07);
-  }
-  m_readMappingMatrix->Set(column, row);
-  return m_mappingBitMatrix->Get(column, row);
-}
-int32_t CBC_DataMatrixBitMatrixParser::ReadUtah(int32_t row,
-                                                int32_t column,
-                                                int32_t numRows,
-                                                int32_t numColumns) {
-  int32_t currentByte = 0;
-  if (ReadModule(row - 2, column - 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(row - 2, column - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(row - 1, column - 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(row - 1, column - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(row - 1, column, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(row, column - 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(row, column - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(row, column, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  return currentByte;
-}
-int32_t CBC_DataMatrixBitMatrixParser::ReadCorner1(int32_t numRows,
-                                                   int32_t numColumns) {
-  int32_t currentByte = 0;
-  if (ReadModule(numRows - 1, 0, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(numRows - 1, 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(numRows - 1, 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(1, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(2, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(3, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  return currentByte;
-}
-int32_t CBC_DataMatrixBitMatrixParser::ReadCorner2(int32_t numRows,
-                                                   int32_t numColumns) {
-  int32_t currentByte = 0;
-  if (ReadModule(numRows - 3, 0, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(numRows - 2, 0, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(numRows - 1, 0, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 4, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 3, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(1, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  return currentByte;
-}
-int32_t CBC_DataMatrixBitMatrixParser::ReadCorner3(int32_t numRows,
-                                                   int32_t numColumns) {
-  int32_t currentByte = 0;
-  if (ReadModule(numRows - 1, 0, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(numRows - 1, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 3, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(1, numColumns - 3, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(1, numColumns - 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(1, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  return currentByte;
-}
-int32_t CBC_DataMatrixBitMatrixParser::ReadCorner4(int32_t numRows,
-                                                   int32_t numColumns) {
-  int32_t currentByte = 0;
-  if (ReadModule(numRows - 3, 0, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(numRows - 2, 0, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(numRows - 1, 0, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 2, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(0, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(1, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(2, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  currentByte <<= 1;
-  if (ReadModule(3, numColumns - 1, numRows, numColumns)) {
-    currentByte |= 1;
-  }
-  return currentByte;
-}
-CBC_CommonBitMatrix* CBC_DataMatrixBitMatrixParser::ExtractDataRegion(
-    CBC_CommonBitMatrix* bitMatrix,
-    int32_t& e) {
-  int32_t symbolSizeRows = m_version->GetSymbolSizeRows();
-  int32_t symbolSizeColumns = m_version->GetSymbolSizeColumns();
-  if (bitMatrix->GetHeight() != symbolSizeRows) {
-    e = BCExceptionCanNotCallGetDimensionOnNonSquareMatrix;
-    return NULL;
-  }
-  int32_t dataRegionSizeRows = m_version->GetDataRegionSizeRows();
-  int32_t dataRegionSizeColumns = m_version->GetDataRegionSizeColumns();
-  int32_t numDataRegionsRow = symbolSizeRows / dataRegionSizeRows;
-  int32_t numDataRegionsColumn = symbolSizeColumns / dataRegionSizeColumns;
-  int32_t sizeDataRegionRow = numDataRegionsRow * dataRegionSizeRows;
-  int32_t sizeDataRegionColumn = numDataRegionsColumn * dataRegionSizeColumns;
-  CBC_CommonBitMatrix* bitMatrixWithoutAlignment = new CBC_CommonBitMatrix();
-  bitMatrixWithoutAlignment->Init(sizeDataRegionColumn, sizeDataRegionRow);
-  int32_t dataRegionRow;
-  for (dataRegionRow = 0; dataRegionRow < numDataRegionsRow; ++dataRegionRow) {
-    int32_t dataRegionRowOffset = dataRegionRow * dataRegionSizeRows;
-    int32_t dataRegionColumn;
-    for (dataRegionColumn = 0; dataRegionColumn < numDataRegionsColumn;
-         ++dataRegionColumn) {
-      int32_t dataRegionColumnOffset = dataRegionColumn * dataRegionSizeColumns;
-      int32_t i;
-      for (i = 0; i < dataRegionSizeRows; ++i) {
-        int32_t readRowOffset =
-            dataRegionRow * (dataRegionSizeRows + 2) + 1 + i;
-        int32_t writeRowOffset = dataRegionRowOffset + i;
-        int32_t j;
-        for (j = 0; j < dataRegionSizeColumns; ++j) {
-          int32_t readColumnOffset =
-              dataRegionColumn * (dataRegionSizeColumns + 2) + 1 + j;
-          if (bitMatrix->Get(readColumnOffset, readRowOffset)) {
-            int32_t writeColumnOffset = dataRegionColumnOffset + j;
-            bitMatrixWithoutAlignment->Set(writeColumnOffset, writeRowOffset);
-          }
-        }
-      }
-    }
-  }
-  return bitMatrixWithoutAlignment;
-}
+// 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/src/fxbarcode/barcode.h"
+#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "BC_DataMatrixVersion.h"
+#include "BC_DataMatrixBitMatrixParser.h"
+CBC_DataMatrixBitMatrixParser::CBC_DataMatrixBitMatrixParser() {
+  m_mappingBitMatrix = NULL;
+  m_version = NULL;
+  m_readMappingMatrix = NULL;
+}
+void CBC_DataMatrixBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix,
+                                         int32_t& e) {
+  int32_t dimension = bitMatrix->GetHeight();
+  if (dimension < 8 || dimension > 144 || (dimension & 0x01) != 0) {
+    e = BCExceptionFormatException;
+    return;
+  }
+  m_version = ReadVersion(bitMatrix, e);
+  BC_EXCEPTION_CHECK_ReturnVoid(e);
+  m_mappingBitMatrix = ExtractDataRegion(bitMatrix, e);
+  BC_EXCEPTION_CHECK_ReturnVoid(e);
+  m_readMappingMatrix = new CBC_CommonBitMatrix();
+  m_readMappingMatrix->Init(m_mappingBitMatrix->GetWidth(),
+                            m_mappingBitMatrix->GetHeight());
+}
+CBC_DataMatrixBitMatrixParser::~CBC_DataMatrixBitMatrixParser() {
+  if (m_mappingBitMatrix != NULL) {
+    delete m_mappingBitMatrix;
+  }
+  m_mappingBitMatrix = NULL;
+  if (m_readMappingMatrix != NULL) {
+    delete m_readMappingMatrix;
+  }
+  m_readMappingMatrix = NULL;
+}
+CBC_DataMatrixVersion* CBC_DataMatrixBitMatrixParser::GetVersion() {
+  return m_version;
+}
+CBC_DataMatrixVersion* CBC_DataMatrixBitMatrixParser::ReadVersion(
+    CBC_CommonBitMatrix* bitMatrix,
+    int32_t& e) {
+  int32_t rows = bitMatrix->GetHeight();
+  int32_t columns = bitMatrix->GetWidth();
+  CBC_DataMatrixVersion* temp =
+      CBC_DataMatrixVersion::GetVersionForDimensions(rows, columns, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  return temp;
+}
+CFX_ByteArray* CBC_DataMatrixBitMatrixParser::ReadCodewords(int32_t& e) {
+  CBC_AutoPtr<CFX_ByteArray> result(new CFX_ByteArray());
+  result->SetSize(m_version->GetTotalCodewords());
+  int32_t resultOffset = 0;
+  int32_t row = 4;
+  int32_t column = 0;
+  int32_t numRows = m_mappingBitMatrix->GetHeight();
+  int32_t numColumns = m_mappingBitMatrix->GetWidth();
+  FX_BOOL corner1Read = FALSE;
+  FX_BOOL corner2Read = FALSE;
+  FX_BOOL corner3Read = FALSE;
+  FX_BOOL corner4Read = FALSE;
+  do {
+    if ((row == numRows) && (column == 0) && !corner1Read) {
+      (*result)[resultOffset++] = (uint8_t)ReadCorner1(numRows, numColumns);
+      row -= 2;
+      column += 2;
+      corner1Read = TRUE;
+    } else if ((row == numRows - 2) && (column == 0) &&
+               ((numColumns & 0x03) != 0) && !corner2Read) {
+      (*result)[resultOffset++] = (uint8_t)ReadCorner2(numRows, numColumns);
+      row -= 2;
+      column += 2;
+      corner2Read = TRUE;
+    } else if ((row == numRows + 4) && (column == 2) &&
+               ((numColumns & 0x07) == 0) && !corner3Read) {
+      (*result)[resultOffset++] = (uint8_t)ReadCorner3(numRows, numColumns);
+      row -= 2;
+      column += 2;
+      corner3Read = TRUE;
+    } else if ((row == numRows - 2) && (column == 0) &&
+               ((numColumns & 0x07) == 4) && !corner4Read) {
+      (*result)[resultOffset++] = (uint8_t)ReadCorner4(numRows, numColumns);
+      row -= 2;
+      column += 2;
+      corner4Read = TRUE;
+    } else {
+      do {
+        if ((row < numRows) && (column >= 0) &&
+            !m_readMappingMatrix->Get(column, row)) {
+          if (resultOffset < (*result).GetSize()) {
+            (*result)[resultOffset++] =
+                (uint8_t)ReadUtah(row, column, numRows, numColumns);
+          }
+        }
+        row -= 2;
+        column += 2;
+      } while ((row >= 0) && (column < numColumns));
+      row += 1;
+      column += 3;
+      do {
+        if ((row >= 0) && (column < numColumns) &&
+            !m_readMappingMatrix->Get(column, row)) {
+          if (resultOffset < (*result).GetSize()) {
+            (*result)[resultOffset++] =
+                (uint8_t)ReadUtah(row, column, numRows, numColumns);
+          }
+        }
+        row += 2;
+        column -= 2;
+      } while ((row < numRows) && (column >= 0));
+      row += 3;
+      column += 1;
+    }
+  } while ((row < numRows) || (column < numColumns));
+  if (resultOffset != m_version->GetTotalCodewords()) {
+    e = BCExceptionFormatException;
+    return NULL;
+  }
+  return result.release();
+}
+FX_BOOL CBC_DataMatrixBitMatrixParser::ReadModule(int32_t row,
+                                                  int32_t column,
+                                                  int32_t numRows,
+                                                  int32_t numColumns) {
+  if (row < 0) {
+    row += numRows;
+    column += 4 - ((numRows + 4) & 0x07);
+  }
+  if (column < 0) {
+    column += numColumns;
+    row += 4 - ((numColumns + 4) & 0x07);
+  }
+  m_readMappingMatrix->Set(column, row);
+  return m_mappingBitMatrix->Get(column, row);
+}
+int32_t CBC_DataMatrixBitMatrixParser::ReadUtah(int32_t row,
+                                                int32_t column,
+                                                int32_t numRows,
+                                                int32_t numColumns) {
+  int32_t currentByte = 0;
+  if (ReadModule(row - 2, column - 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(row - 2, column - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(row - 1, column - 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(row - 1, column - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(row - 1, column, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(row, column - 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(row, column - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(row, column, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  return currentByte;
+}
+int32_t CBC_DataMatrixBitMatrixParser::ReadCorner1(int32_t numRows,
+                                                   int32_t numColumns) {
+  int32_t currentByte = 0;
+  if (ReadModule(numRows - 1, 0, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(numRows - 1, 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(numRows - 1, 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(1, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(2, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(3, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  return currentByte;
+}
+int32_t CBC_DataMatrixBitMatrixParser::ReadCorner2(int32_t numRows,
+                                                   int32_t numColumns) {
+  int32_t currentByte = 0;
+  if (ReadModule(numRows - 3, 0, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(numRows - 2, 0, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(numRows - 1, 0, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 4, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 3, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(1, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  return currentByte;
+}
+int32_t CBC_DataMatrixBitMatrixParser::ReadCorner3(int32_t numRows,
+                                                   int32_t numColumns) {
+  int32_t currentByte = 0;
+  if (ReadModule(numRows - 1, 0, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(numRows - 1, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 3, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(1, numColumns - 3, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(1, numColumns - 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(1, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  return currentByte;
+}
+int32_t CBC_DataMatrixBitMatrixParser::ReadCorner4(int32_t numRows,
+                                                   int32_t numColumns) {
+  int32_t currentByte = 0;
+  if (ReadModule(numRows - 3, 0, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(numRows - 2, 0, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(numRows - 1, 0, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 2, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(0, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(1, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(2, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  currentByte <<= 1;
+  if (ReadModule(3, numColumns - 1, numRows, numColumns)) {
+    currentByte |= 1;
+  }
+  return currentByte;
+}
+CBC_CommonBitMatrix* CBC_DataMatrixBitMatrixParser::ExtractDataRegion(
+    CBC_CommonBitMatrix* bitMatrix,
+    int32_t& e) {
+  int32_t symbolSizeRows = m_version->GetSymbolSizeRows();
+  int32_t symbolSizeColumns = m_version->GetSymbolSizeColumns();
+  if (bitMatrix->GetHeight() != symbolSizeRows) {
+    e = BCExceptionCanNotCallGetDimensionOnNonSquareMatrix;
+    return NULL;
+  }
+  int32_t dataRegionSizeRows = m_version->GetDataRegionSizeRows();
+  int32_t dataRegionSizeColumns = m_version->GetDataRegionSizeColumns();
+  int32_t numDataRegionsRow = symbolSizeRows / dataRegionSizeRows;
+  int32_t numDataRegionsColumn = symbolSizeColumns / dataRegionSizeColumns;
+  int32_t sizeDataRegionRow = numDataRegionsRow * dataRegionSizeRows;
+  int32_t sizeDataRegionColumn = numDataRegionsColumn * dataRegionSizeColumns;
+  CBC_CommonBitMatrix* bitMatrixWithoutAlignment = new CBC_CommonBitMatrix();
+  bitMatrixWithoutAlignment->Init(sizeDataRegionColumn, sizeDataRegionRow);
+  int32_t dataRegionRow;
+  for (dataRegionRow = 0; dataRegionRow < numDataRegionsRow; ++dataRegionRow) {
+    int32_t dataRegionRowOffset = dataRegionRow * dataRegionSizeRows;
+    int32_t dataRegionColumn;
+    for (dataRegionColumn = 0; dataRegionColumn < numDataRegionsColumn;
+         ++dataRegionColumn) {
+      int32_t dataRegionColumnOffset = dataRegionColumn * dataRegionSizeColumns;
+      int32_t i;
+      for (i = 0; i < dataRegionSizeRows; ++i) {
+        int32_t readRowOffset =
+            dataRegionRow * (dataRegionSizeRows + 2) + 1 + i;
+        int32_t writeRowOffset = dataRegionRowOffset + i;
+        int32_t j;
+        for (j = 0; j < dataRegionSizeColumns; ++j) {
+          int32_t readColumnOffset =
+              dataRegionColumn * (dataRegionSizeColumns + 2) + 1 + j;
+          if (bitMatrix->Get(readColumnOffset, readRowOffset)) {
+            int32_t writeColumnOffset = dataRegionColumnOffset + j;
+            bitMatrixWithoutAlignment->Set(writeColumnOffset, writeRowOffset);
+          }
+        }
+      }
+    }
+  }
+  return bitMatrixWithoutAlignment;
+}