From 9d8ec5a6e37e8d1d4d4edca9040de234e2d4728f Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Tue, 4 Aug 2015 13:00:21 -0700
Subject: XFA: clang-format all pdfium code.

No behavior change.

Generated by:
  find . -name '*.cpp' -o -name '*.h' | \
  grep -E -v 'third_party|thirdparties|lpng_v163|tiff_v403' | \
  xargs ../../buildtools/mac/clang-format -i
Then manually merged https://codereview.chromium.org/1269223002/

See thread "tabs vs spaces" on pdfium@googlegroups.com for discussion.

BUG=none
---
 .../datamatrix/BC_DataMatrixBitMatrixParser.cpp    | 662 +++++++++++----------
 1 file changed, 338 insertions(+), 324 deletions(-)

(limited to 'xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp')

diff --git a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp
index 4fb82f1034..16275a0c55 100644
--- a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp
+++ b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp
@@ -24,343 +24,357 @@
 #include "../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;
+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 = FX_NEW CBC_CommonBitMatrix();
-    m_readMappingMatrix->Init(m_mappingBitMatrix->GetWidth(), m_mappingBitMatrix->GetHeight());
+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 = FX_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_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::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;
+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(FX_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;
+CFX_ByteArray* CBC_DataMatrixBitMatrixParser::ReadCodewords(int32_t& e) {
+  CBC_AutoPtr<CFX_ByteArray> result(FX_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);
+          }
         }
-    } while ((row < numRows) || (column < numColumns));
-    if (resultOffset != m_version->GetTotalCodewords()) {
-        e = BCExceptionFormatException;
-        return NULL;
-    }
-    return result.release();
+        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);
+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::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::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::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::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;
+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 = FX_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);
-                    }
-                }
-            }
+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 = FX_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;
+  }
+  return bitMatrixWithoutAlignment;
 }
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