Move xfa/src up to xfa/.

This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1803723002 .

44 files changed, 4658 insertions, 0 deletions

diff --git a/xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.cpp b/xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.cpp
new file mode 100644
index 0000000000..00d8fc1615
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.cpp
@@ -0,0 +1,98 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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/BC_Dimension.h"
+#include "xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+CBC_ASCIIEncoder::CBC_ASCIIEncoder() {}
+CBC_ASCIIEncoder::~CBC_ASCIIEncoder() {}
+int32_t CBC_ASCIIEncoder::getEncodingMode() {
+  return ASCII_ENCODATION;
+}
+void CBC_ASCIIEncoder::Encode(CBC_EncoderContext& context, int32_t& e) {
+  int32_t n = CBC_HighLevelEncoder::determineConsecutiveDigitCount(
+      context.m_msg, context.m_pos);
+  if (n >= 2) {
+    FX_WCHAR code =
+        encodeASCIIDigits(context.m_msg.GetAt(context.m_pos),
+                          context.m_msg.GetAt(context.m_pos + 1), e);
+    if (e != BCExceptionNO) {
+      return;
+    }
+    context.writeCodeword(code);
+    context.m_pos += 2;
+  } else {
+    FX_WCHAR c = context.getCurrentChar();
+    int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
+        context.m_msg, context.m_pos, getEncodingMode());
+    if (newMode != getEncodingMode()) {
+      switch (newMode) {
+        case BASE256_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_BASE256);
+          context.signalEncoderChange(BASE256_ENCODATION);
+          return;
+        case C40_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_C40);
+          context.signalEncoderChange(C40_ENCODATION);
+          return;
+        case X12_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_ANSIX12);
+          context.signalEncoderChange(X12_ENCODATION);
+          break;
+        case TEXT_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_TEXT);
+          context.signalEncoderChange(TEXT_ENCODATION);
+          break;
+        case EDIFACT_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_EDIFACT);
+          context.signalEncoderChange(EDIFACT_ENCODATION);
+          break;
+        default:
+          e = BCExceptionIllegalStateIllegalMode;
+          return;
+      }
+    } else if (CBC_HighLevelEncoder::isExtendedASCII(c)) {
+      context.writeCodeword(CBC_HighLevelEncoder::UPPER_SHIFT);
+      context.writeCodeword((FX_WCHAR)(c - 128 + 1));
+      context.m_pos++;
+    } else {
+      context.writeCodeword((FX_WCHAR)(c + 1));
+      context.m_pos++;
+    }
+  }
+}
+FX_WCHAR CBC_ASCIIEncoder::encodeASCIIDigits(FX_WCHAR digit1,
+                                             FX_WCHAR digit2,
+                                             int32_t& e) {
+  if (CBC_HighLevelEncoder::isDigit(digit1) &&
+      CBC_HighLevelEncoder::isDigit(digit2)) {
+    int32_t num = (digit1 - 48) * 10 + (digit2 - 48);
+    return (FX_WCHAR)(num + 130);
+  }
+  e = BCExceptionIllegalArgumentNotGigits;
+  return 0;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.h b/xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.h
new file mode 100644
index 0000000000..11be5e046a
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.h
@@ -0,0 +1,27 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_ASCIIENCODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_ASCIIENCODER_H_
+
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+
+class CBC_EncoderContext;
+
+class CBC_ASCIIEncoder : public CBC_Encoder {
+ public:
+  CBC_ASCIIEncoder();
+  virtual ~CBC_ASCIIEncoder();
+  int32_t getEncodingMode();
+  void Encode(CBC_EncoderContext& context, int32_t& e);
+
+ private:
+  static FX_WCHAR encodeASCIIDigits(FX_WCHAR digit1,
+                                    FX_WCHAR digit2,
+                                    int32_t& e);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_ASCIIENCODER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_Base256Encoder.cpp b/xfa/fxbarcode/datamatrix/BC_Base256Encoder.cpp
new file mode 100644
index 0000000000..98e7848ce8
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_Base256Encoder.cpp
@@ -0,0 +1,87 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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/BC_Dimension.h"
+#include "xfa/fxbarcode/datamatrix/BC_Base256Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+CBC_Base256Encoder::CBC_Base256Encoder() {}
+CBC_Base256Encoder::~CBC_Base256Encoder() {}
+int32_t CBC_Base256Encoder::getEncodingMode() {
+  return BASE256_ENCODATION;
+}
+void CBC_Base256Encoder::Encode(CBC_EncoderContext& context, int32_t& e) {
+  CFX_WideString buffer;
+  buffer += (FX_WCHAR)'\0';
+  while (context.hasMoreCharacters()) {
+    FX_WCHAR c = context.getCurrentChar();
+    buffer += c;
+    context.m_pos++;
+    int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
+        context.m_msg, context.m_pos, getEncodingMode());
+    if (newMode != getEncodingMode()) {
+      context.signalEncoderChange(newMode);
+      break;
+    }
+  }
+  int32_t dataCount = buffer.GetLength() - 1;
+  FX_CHAR buf[128];
+  FXSYS_itoa(dataCount, buf, 10);
+  buffer.SetAt(0, FX_WCHAR(*buf) - '0');
+  int32_t lengthFieldSize = 1;
+  int32_t currentSize =
+      context.getCodewordCount() + dataCount + lengthFieldSize;
+  context.updateSymbolInfo(currentSize, e);
+  if (e != BCExceptionNO) {
+    return;
+  }
+  FX_BOOL mustPad = (context.m_symbolInfo->m_dataCapacity - currentSize) > 0;
+  if (context.hasMoreCharacters() || mustPad) {
+    if (dataCount <= 249) {
+      buffer.SetAt(0, (FX_WCHAR)dataCount);
+    } else if (dataCount > 249 && dataCount <= 1555) {
+      buffer.SetAt(0, (FX_WCHAR)((dataCount / 250) + 249));
+      buffer.Insert(1, (FX_WCHAR)(dataCount % 250));
+    } else {
+      e = BCExceptionIllegalStateMessageLengthInvalid;
+      return;
+    }
+  }
+  for (int32_t i = 0, c = buffer.GetLength(); i < c; i++) {
+    context.writeCodeword(
+        randomize255State(buffer.GetAt(i), context.getCodewordCount() + 1));
+  }
+}
+FX_WCHAR CBC_Base256Encoder::randomize255State(FX_WCHAR ch,
+                                               int32_t codewordPosition) {
+  int32_t pseudoRandom = ((149 * codewordPosition) % 255) + 1;
+  int32_t tempVariable = ch + pseudoRandom;
+  if (tempVariable <= 255) {
+    return (FX_WCHAR)tempVariable;
+  } else {
+    return (FX_WCHAR)(tempVariable - 256);
+  }
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_Base256Encoder.h b/xfa/fxbarcode/datamatrix/BC_Base256Encoder.h
new file mode 100644
index 0000000000..64dbdc7ba4
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_Base256Encoder.h
@@ -0,0 +1,23 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_BASE256ENCODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_BASE256ENCODER_H_
+
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+
+class CBC_Base256Encoder : public CBC_Encoder {
+ public:
+  CBC_Base256Encoder();
+  virtual ~CBC_Base256Encoder();
+  int32_t getEncodingMode();
+  void Encode(CBC_EncoderContext& context, int32_t& e);
+
+ private:
+  static FX_WCHAR randomize255State(FX_WCHAR ch, int32_t codewordPosition);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_BASE256ENCODER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_C40Encoder.cpp b/xfa/fxbarcode/datamatrix/BC_C40Encoder.cpp
new file mode 100644
index 0000000000..8858f60012
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_C40Encoder.cpp
@@ -0,0 +1,198 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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/BC_Dimension.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_C40Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+CBC_C40Encoder::CBC_C40Encoder() {}
+CBC_C40Encoder::~CBC_C40Encoder() {}
+int32_t CBC_C40Encoder::getEncodingMode() {
+  return C40_ENCODATION;
+}
+void CBC_C40Encoder::Encode(CBC_EncoderContext& context, int32_t& e) {
+  CFX_WideString buffer;
+  while (context.hasMoreCharacters()) {
+    FX_WCHAR c = context.getCurrentChar();
+    context.m_pos++;
+    int32_t lastCharSize = encodeChar(c, buffer, e);
+    if (e != BCExceptionNO) {
+      return;
+    }
+    int32_t unwritten = (buffer.GetLength() / 3) * 2;
+    int32_t curCodewordCount = context.getCodewordCount() + unwritten;
+    context.updateSymbolInfo(curCodewordCount, e);
+    if (e != BCExceptionNO) {
+      return;
+    }
+    int32_t available = context.m_symbolInfo->m_dataCapacity - curCodewordCount;
+    if (!context.hasMoreCharacters()) {
+      CFX_WideString removed;
+      if ((buffer.GetLength() % 3) == 2) {
+        if (available < 2 || available > 2) {
+          lastCharSize =
+              backtrackOneCharacter(context, buffer, removed, lastCharSize, e);
+          if (e != BCExceptionNO) {
+            return;
+          }
+        }
+      }
+      while ((buffer.GetLength() % 3) == 1 &&
+             ((lastCharSize <= 3 && available != 1) || lastCharSize > 3)) {
+        lastCharSize =
+            backtrackOneCharacter(context, buffer, removed, lastCharSize, e);
+        if (e != BCExceptionNO) {
+          return;
+        }
+      }
+      break;
+    }
+    int32_t count = buffer.GetLength();
+    if ((count % 3) == 0) {
+      int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
+          context.m_msg, context.m_pos, getEncodingMode());
+      if (newMode != getEncodingMode()) {
+        context.signalEncoderChange(newMode);
+        break;
+      }
+    }
+  }
+  handleEOD(context, buffer, e);
+}
+void CBC_C40Encoder::writeNextTriplet(CBC_EncoderContext& context,
+                                      CFX_WideString& buffer) {
+  context.writeCodewords(encodeToCodewords(buffer, 0));
+  buffer.Delete(0, 3);
+}
+void CBC_C40Encoder::handleEOD(CBC_EncoderContext& context,
+                               CFX_WideString& buffer,
+                               int32_t& e) {
+  int32_t unwritten = (buffer.GetLength() / 3) * 2;
+  int32_t rest = buffer.GetLength() % 3;
+  int32_t curCodewordCount = context.getCodewordCount() + unwritten;
+  context.updateSymbolInfo(curCodewordCount, e);
+  if (e != BCExceptionNO) {
+    return;
+  }
+  int32_t available = context.m_symbolInfo->m_dataCapacity - curCodewordCount;
+  if (rest == 2) {
+    buffer += (FX_WCHAR)'\0';
+    while (buffer.GetLength() >= 3) {
+      writeNextTriplet(context, buffer);
+    }
+    if (context.hasMoreCharacters()) {
+      context.writeCodeword(CBC_HighLevelEncoder::C40_UNLATCH);
+    }
+  } else if (available == 1 && rest == 1) {
+    while (buffer.GetLength() >= 3) {
+      writeNextTriplet(context, buffer);
+    }
+    if (context.hasMoreCharacters()) {
+      context.writeCodeword(CBC_HighLevelEncoder::C40_UNLATCH);
+    }
+    context.m_pos--;
+  } else if (rest == 0) {
+    while (buffer.GetLength() >= 3) {
+      writeNextTriplet(context, buffer);
+    }
+    if (available > 0 || context.hasMoreCharacters()) {
+      context.writeCodeword(CBC_HighLevelEncoder::C40_UNLATCH);
+    }
+  } else {
+    e = BCExceptionIllegalStateUnexpectedCase;
+    return;
+  }
+  context.signalEncoderChange(ASCII_ENCODATION);
+}
+int32_t CBC_C40Encoder::encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e) {
+  if (c == ' ') {
+    sb += (FX_WCHAR)'\3';
+    return 1;
+  } else if ((c >= '0') && (c <= '9')) {
+    sb += (FX_WCHAR)(c - 48 + 4);
+    return 1;
+  } else if ((c >= 'A') && (c <= 'Z')) {
+    sb += (FX_WCHAR)(c - 65 + 14);
+    return 1;
+  } else if (c <= 0x1f) {
+    sb += (FX_WCHAR)'\0';
+    sb += c;
+    return 2;
+  } else if ((c >= '!') && (c <= '/')) {
+    sb += (FX_WCHAR)'\1';
+    sb += (FX_WCHAR)(c - 33);
+    return 2;
+  } else if ((c >= ':') && (c <= '@')) {
+    sb += (FX_WCHAR)'\1';
+    sb += (FX_WCHAR)(c - 58 + 15);
+    return 2;
+  } else if ((c >= '[') && (c <= '_')) {
+    sb += (FX_WCHAR)'\1';
+    sb += (FX_WCHAR)(c - 91 + 22);
+    return 2;
+  } else if ((c >= 60) && (c <= 0x7f)) {
+    sb += (FX_WCHAR)'\2';
+    sb += (FX_WCHAR)(c - 96);
+    return 2;
+  } else if (c >= 80) {
+    sb += (FX_WCHAR)'\1';
+    sb += (FX_WCHAR)0x001e;
+    int32_t len = 2;
+    len += encodeChar((c - 128), sb, e);
+    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+    return len;
+  } else {
+    e = BCExceptionIllegalArgument;
+    return 0;
+  }
+}
+int32_t CBC_C40Encoder::backtrackOneCharacter(CBC_EncoderContext& context,
+                                              CFX_WideString& buffer,
+                                              CFX_WideString& removed,
+                                              int32_t lastCharSize,
+                                              int32_t& e) {
+  int32_t count = buffer.GetLength();
+  buffer.Delete(count - lastCharSize, count);
+  context.m_pos--;
+  FX_WCHAR c = context.getCurrentChar();
+  lastCharSize = encodeChar(c, removed, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, -1);
+  context.resetSymbolInfo();
+  return lastCharSize;
+}
+CFX_WideString CBC_C40Encoder::encodeToCodewords(CFX_WideString sb,
+                                                 int32_t startPos) {
+  FX_WCHAR c1 = sb.GetAt(startPos);
+  FX_WCHAR c2 = sb.GetAt(startPos + 1);
+  FX_WCHAR c3 = sb.GetAt(startPos + 2);
+  int32_t v = (1600 * c1) + (40 * c2) + c3 + 1;
+  FX_WCHAR cw1 = (FX_WCHAR)(v / 256);
+  FX_WCHAR cw2 = (FX_WCHAR)(v % 256);
+  CFX_WideString b1(cw1);
+  CFX_WideString b2(cw2);
+  return b1 + b2;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_C40Encoder.h b/xfa/fxbarcode/datamatrix/BC_C40Encoder.h
new file mode 100644
index 0000000000..9dcb1e5c5f
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_C40Encoder.h
@@ -0,0 +1,34 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_
+
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+
+class CBC_C40Encoder : public CBC_Encoder {
+ public:
+  CBC_C40Encoder();
+  virtual ~CBC_C40Encoder();
+  virtual int32_t getEncodingMode();
+  virtual void Encode(CBC_EncoderContext& context, int32_t& e);
+  static void writeNextTriplet(CBC_EncoderContext& context,
+                               CFX_WideString& buffer);
+  virtual void handleEOD(CBC_EncoderContext& context,
+                         CFX_WideString& buffer,
+                         int32_t& e);
+  virtual int32_t encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e);
+
+ private:
+  int32_t backtrackOneCharacter(CBC_EncoderContext& context,
+                                CFX_WideString& buffer,
+                                CFX_WideString& removed,
+                                int32_t lastCharSize,
+                                int32_t& e);
+  static CFX_WideString encodeToCodewords(CFX_WideString sb, int32_t startPos);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp
new file mode 100644
index 0000000000..a0c00e9506
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp
@@ -0,0 +1,378 @@
+// 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/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h"
+
+#include <memory>
+
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
+#include "xfa/fxbarcode/utils.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() {
+  delete m_mappingBitMatrix;
+  delete m_readMappingMatrix;
+}
+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) {
+  std::unique_ptr<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;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h
new file mode 100644
index 0000000000..4c54d61eef
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h
@@ -0,0 +1,45 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXBITMATRIXPARSER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXBITMATRIXPARSER_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_CommonBitMatrix;
+class CBC_DataMatrixVersion;
+
+class CBC_DataMatrixBitMatrixParser {
+ public:
+  CBC_DataMatrixBitMatrixParser();
+  virtual ~CBC_DataMatrixBitMatrixParser();
+  CBC_DataMatrixVersion* GetVersion();
+  CFX_ByteArray* ReadCodewords(int32_t& e);
+  FX_BOOL ReadModule(int32_t row,
+                     int32_t column,
+                     int32_t numRows,
+                     int32_t numColumns);
+  int32_t ReadUtah(int32_t row,
+                   int32_t column,
+                   int32_t numRows,
+                   int32_t numColumns);
+  int32_t ReadCorner1(int32_t numRows, int32_t numColumns);
+  int32_t ReadCorner2(int32_t numRows, int32_t numColumns);
+  int32_t ReadCorner3(int32_t numRows, int32_t numColumns);
+  int32_t ReadCorner4(int32_t numRows, int32_t numColumns);
+  CBC_CommonBitMatrix* ExtractDataRegion(CBC_CommonBitMatrix* bitMatrix,
+                                         int32_t& e);
+  virtual void Init(CBC_CommonBitMatrix* bitMatrix, int32_t& e);
+
+ private:
+  static CBC_DataMatrixVersion* ReadVersion(CBC_CommonBitMatrix* bitMatrix,
+                                            int32_t& e);
+  CBC_CommonBitMatrix* m_mappingBitMatrix;
+  CBC_CommonBitMatrix* m_readMappingMatrix;
+  CBC_DataMatrixVersion* m_version;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXBITMATRIXPARSER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp
new file mode 100644
index 0000000000..89c09c22a8
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp
@@ -0,0 +1,115 @@
+// 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/datamatrix/BC_DataMatrixDataBlock.h"
+
+#include <memory>
+
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
+#include "xfa/fxbarcode/utils.h"
+
+CBC_DataMatrixDataBlock::~CBC_DataMatrixDataBlock() {}
+CBC_DataMatrixDataBlock::CBC_DataMatrixDataBlock(int32_t numDataCodewords,
+                                                 CFX_ByteArray* codewords) {
+  m_codewords.Copy(*codewords);
+  m_numDataCodewords = numDataCodewords;
+}
+CFX_PtrArray* CBC_DataMatrixDataBlock::GetDataBlocks(
+    CFX_ByteArray* rawCodewords,
+    CBC_DataMatrixVersion* version,
+    int32_t& e) {
+  ECBlocks* ecBlocks = version->GetECBlocks();
+  int32_t totalBlocks = 0;
+  const CFX_PtrArray& ecBlockArray = ecBlocks->GetECBlocks();
+  int32_t i;
+  for (i = 0; i < ecBlockArray.GetSize(); i++) {
+    totalBlocks += ((ECB*)ecBlockArray[i])->GetCount();
+  }
+  std::unique_ptr<CFX_PtrArray> result(new CFX_PtrArray());
+  result->SetSize(totalBlocks);
+  int32_t numResultBlocks = 0;
+  int32_t j;
+  for (j = 0; j < ecBlockArray.GetSize(); j++) {
+    for (i = 0; i < ((ECB*)ecBlockArray[j])->GetCount(); i++) {
+      int32_t numDataCodewords = ((ECB*)ecBlockArray[j])->GetDataCodewords();
+      int32_t numBlockCodewords = ecBlocks->GetECCodewords() + numDataCodewords;
+      CFX_ByteArray codewords;
+      codewords.SetSize(numBlockCodewords);
+      (*result)[numResultBlocks++] =
+          new CBC_DataMatrixDataBlock(numDataCodewords, &codewords);
+      codewords.SetSize(0);
+    }
+  }
+  int32_t longerBlocksTotalCodewords =
+      ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize();
+  int32_t longerBlocksNumDataCodewords =
+      longerBlocksTotalCodewords - ecBlocks->GetECCodewords();
+  int32_t shorterBlocksNumDataCodewords = longerBlocksNumDataCodewords - 1;
+  int32_t rawCodewordsOffset = 0;
+  for (i = 0; i < shorterBlocksNumDataCodewords; i++) {
+    int32_t j;
+    for (j = 0; j < numResultBlocks; j++) {
+      if (rawCodewordsOffset < rawCodewords->GetSize()) {
+        ((CBC_DataMatrixDataBlock*)(*result)[j])
+            ->GetCodewords()
+            ->
+            operator[](i) = (*rawCodewords)[rawCodewordsOffset++];
+      }
+    }
+  }
+  const bool specialVersion = version->GetVersionNumber() == 24;
+  int32_t numLongerBlocks = specialVersion ? 8 : numResultBlocks;
+  for (j = 0; j < numLongerBlocks; j++) {
+    if (rawCodewordsOffset < rawCodewords->GetSize()) {
+      ((CBC_DataMatrixDataBlock*)(*result)[j])
+          ->GetCodewords()
+          ->
+          operator[](longerBlocksNumDataCodewords - 1) =
+          (*rawCodewords)[rawCodewordsOffset++];
+    }
+  }
+  int32_t max =
+      ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize();
+  for (i = longerBlocksNumDataCodewords; i < max; i++) {
+    int32_t j;
+    for (j = 0; j < numResultBlocks; j++) {
+      int32_t iOffset = specialVersion && j > 7 ? i - 1 : i;
+      if (rawCodewordsOffset < rawCodewords->GetSize()) {
+        ((CBC_DataMatrixDataBlock*)(*result)[j])
+            ->GetCodewords()
+            ->
+            operator[](iOffset) = (*rawCodewords)[rawCodewordsOffset++];
+      }
+    }
+  }
+  if (rawCodewordsOffset != rawCodewords->GetSize()) {
+    e = BCExceptionIllegalArgument;
+    return NULL;
+  }
+  return result.release();
+}
+int32_t CBC_DataMatrixDataBlock::GetNumDataCodewords() {
+  return m_numDataCodewords;
+}
+CFX_ByteArray* CBC_DataMatrixDataBlock::GetCodewords() {
+  return &m_codewords;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.h
new file mode 100644
index 0000000000..218bb0bb49
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.h
@@ -0,0 +1,32 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDATABLOCK_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDATABLOCK_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_DataMatrixVersion;
+
+class CBC_DataMatrixDataBlock {
+ public:
+  virtual ~CBC_DataMatrixDataBlock();
+
+  int32_t GetNumDataCodewords();
+  CFX_ByteArray* GetCodewords();
+
+  static CFX_PtrArray* GetDataBlocks(CFX_ByteArray* rawCodewords,
+                                     CBC_DataMatrixVersion* version,
+                                     int32_t& e);
+
+ private:
+  int32_t m_numDataCodewords;
+  CFX_ByteArray m_codewords;
+
+  CBC_DataMatrixDataBlock(int32_t numDataCodewords, CFX_ByteArray* codewords);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDATABLOCK_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp
new file mode 100644
index 0000000000..693b6b9209
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp
@@ -0,0 +1,473 @@
+// 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/common/BC_CommonBitSource.h"
+#include "xfa/fxbarcode/common/BC_CommonDecoderResult.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.h"
+
+const FX_CHAR CBC_DataMatrixDecodedBitStreamParser::C40_BASIC_SET_CHARS[] = {
+    '*', '*', '*', ' ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
+    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
+    'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};
+const FX_CHAR CBC_DataMatrixDecodedBitStreamParser::C40_SHIFT2_SET_CHARS[] = {
+    '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*',  '+', ',', '-', '.',
+    '/', ':', ';', '<', '=', '>', '?',  '@', '[', '\\', ']', '^', '_'};
+const FX_CHAR CBC_DataMatrixDecodedBitStreamParser::TEXT_BASIC_SET_CHARS[] = {
+    '*', '*', '*', ' ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
+    'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'};
+const FX_CHAR CBC_DataMatrixDecodedBitStreamParser::TEXT_SHIFT3_SET_CHARS[] = {
+    '\'', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',         'J',
+    'K',  'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',         'U',
+    'V',  'W', 'X', 'Y', 'Z', '{', '|', '}', '~', (FX_CHAR)127};
+const int32_t CBC_DataMatrixDecodedBitStreamParser::PAD_ENCODE = 0;
+const int32_t CBC_DataMatrixDecodedBitStreamParser::ASCII_ENCODE = 1;
+const int32_t CBC_DataMatrixDecodedBitStreamParser::C40_ENCODE = 2;
+const int32_t CBC_DataMatrixDecodedBitStreamParser::TEXT_ENCODE = 3;
+const int32_t CBC_DataMatrixDecodedBitStreamParser::ANSIX12_ENCODE = 4;
+const int32_t CBC_DataMatrixDecodedBitStreamParser::EDIFACT_ENCODE = 5;
+const int32_t CBC_DataMatrixDecodedBitStreamParser::BASE256_ENCODE = 6;
+CBC_DataMatrixDecodedBitStreamParser::CBC_DataMatrixDecodedBitStreamParser() {}
+CBC_DataMatrixDecodedBitStreamParser::~CBC_DataMatrixDecodedBitStreamParser() {}
+CBC_CommonDecoderResult* CBC_DataMatrixDecodedBitStreamParser::Decode(
+    CFX_ByteArray& bytes,
+    int32_t& e) {
+  CBC_CommonBitSource bits(&bytes);
+  CFX_ByteString result;
+  CFX_ByteString resultTrailer;
+  CFX_Int32Array byteSegments;
+  int32_t mode = ASCII_ENCODE;
+  do {
+    if (mode == 1) {
+      mode = DecodeAsciiSegment(&bits, result, resultTrailer, e);
+      BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+    } else {
+      switch (mode) {
+        case 2:
+          DecodeC40Segment(&bits, result, e);
+          BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+          break;
+        case 3:
+          DecodeTextSegment(&bits, result, e);
+          BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+          break;
+        case 4:
+          DecodeAnsiX12Segment(&bits, result, e);
+          BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+          break;
+        case 5:
+          DecodeEdifactSegment(&bits, result, e);
+          BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+          break;
+        case 6:
+          DecodeBase256Segment(&bits, result, byteSegments, e);
+          BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+          break;
+        default:
+          e = BCExceptionFormatException;
+          return NULL;
+      }
+      mode = ASCII_ENCODE;
+    }
+  } while (mode != PAD_ENCODE && bits.Available() > 0);
+  if (resultTrailer.GetLength() > 0) {
+    result += resultTrailer;
+  }
+  CBC_CommonDecoderResult* tempCp = new CBC_CommonDecoderResult();
+  tempCp->Init(bytes, result,
+               (byteSegments.GetSize() <= 0) ? CFX_Int32Array() : byteSegments,
+               NULL, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  return tempCp;
+}
+int32_t CBC_DataMatrixDecodedBitStreamParser::DecodeAsciiSegment(
+    CBC_CommonBitSource* bits,
+    CFX_ByteString& result,
+    CFX_ByteString& resultTrailer,
+    int32_t& e) {
+  FX_CHAR buffer[128];
+  FX_BOOL upperShift = FALSE;
+  do {
+    int32_t oneByte = bits->ReadBits(8, e);
+    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+    if (oneByte == 0) {
+      e = BCExceptionFormatException;
+      return 0;
+    } else if (oneByte <= 128) {
+      oneByte = upperShift ? oneByte + 128 : oneByte;
+      upperShift = FALSE;
+      result += ((FX_CHAR)(oneByte - 1));
+      return ASCII_ENCODE;
+    } else if (oneByte == 129) {
+      return PAD_ENCODE;
+    } else if (oneByte <= 229) {
+      int32_t value = oneByte - 130;
+      FXSYS_itoa(value, buffer, 10);
+      if (value < 10) {
+        result += '0';
+        buffer[1] = '\0';
+      } else {
+        buffer[2] = '\0';
+      }
+      result += buffer;
+    } else if (oneByte == 230) {
+      return C40_ENCODE;
+    } else if (oneByte == 231) {
+      return BASE256_ENCODE;
+    } else if (oneByte == 232 || oneByte == 233 || oneByte == 234) {
+    } else if (oneByte == 235) {
+      upperShift = TRUE;
+    } else if (oneByte == 236) {
+      result += "[)>";
+      result += 0x1E;
+      result += "05";
+      result += 0x1D;
+      resultTrailer.Insert(0, 0x1E);
+      resultTrailer.Insert(0 + 1, 0x04);
+    } else if (oneByte == 237) {
+      result += "[)>";
+      result += 0x1E;
+      result += "06";
+      result += 0x1D;
+      resultTrailer.Insert(0, 0x1E);
+      resultTrailer.Insert(0 + 1, 0x04);
+    } else if (oneByte == 238) {
+      return ANSIX12_ENCODE;
+    } else if (oneByte == 239) {
+      return TEXT_ENCODE;
+    } else if (oneByte == 240) {
+      return EDIFACT_ENCODE;
+    } else if (oneByte == 241) {
+    } else if (oneByte >= 242) {
+      if (oneByte == 254 && bits->Available() == 0) {
+      } else {
+        e = BCExceptionFormatException;
+        return 0;
+      }
+    }
+  } while (bits->Available() > 0);
+  return ASCII_ENCODE;
+}
+void CBC_DataMatrixDecodedBitStreamParser::DecodeC40Segment(
+    CBC_CommonBitSource* bits,
+    CFX_ByteString& result,
+    int32_t& e) {
+  FX_BOOL upperShift = FALSE;
+  CFX_Int32Array cValues;
+  cValues.SetSize(3);
+  do {
+    if (bits->Available() == 8) {
+      return;
+    }
+    int32_t firstByte = bits->ReadBits(8, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+    if (firstByte == 254) {
+      return;
+    }
+    int32_t tempp = bits->ReadBits(8, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+    ParseTwoBytes(firstByte, tempp, cValues);
+    int32_t shift = 0;
+    int32_t i;
+    for (i = 0; i < 3; i++) {
+      int32_t cValue = cValues[i];
+      switch (shift) {
+        case 0:
+          if (cValue < 3) {
+            shift = cValue + 1;
+          } else if (cValue < 27) {
+            FX_CHAR c40char = C40_BASIC_SET_CHARS[cValue];
+            if (upperShift) {
+              result += (FX_CHAR)(c40char + 128);
+              upperShift = FALSE;
+            } else {
+              result += c40char;
+            }
+          } else {
+            e = BCExceptionFormatException;
+            return;
+          }
+          break;
+        case 1:
+          if (upperShift) {
+            result += (FX_CHAR)(cValue + 128);
+            upperShift = FALSE;
+          } else {
+            result += cValue;
+          }
+          shift = 0;
+          break;
+        case 2:
+          if (cValue < 27) {
+            FX_CHAR c40char = C40_SHIFT2_SET_CHARS[cValue];
+            if (upperShift) {
+              result += (FX_CHAR)(c40char + 128);
+              upperShift = FALSE;
+            } else {
+              result += c40char;
+            }
+          } else if (cValue == 27) {
+            e = BCExceptionFormatException;
+            return;
+          } else if (cValue == 30) {
+            upperShift = TRUE;
+          } else {
+            e = BCExceptionFormatException;
+            return;
+          }
+          shift = 0;
+          break;
+        case 3:
+          if (upperShift) {
+            result += (FX_CHAR)(cValue + 224);
+            upperShift = FALSE;
+          } else {
+            result += (FX_CHAR)(cValue + 96);
+          }
+          shift = 0;
+          break;
+        default:
+          break;
+          e = BCExceptionFormatException;
+          return;
+      }
+    }
+  } while (bits->Available() > 0);
+}
+void CBC_DataMatrixDecodedBitStreamParser::DecodeTextSegment(
+    CBC_CommonBitSource* bits,
+    CFX_ByteString& result,
+    int32_t& e) {
+  FX_BOOL upperShift = FALSE;
+  CFX_Int32Array cValues;
+  cValues.SetSize(3);
+  int32_t shift = 0;
+  do {
+    if (bits->Available() == 8) {
+      return;
+    }
+    int32_t firstByte = bits->ReadBits(8, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+    if (firstByte == 254) {
+      return;
+    }
+    int32_t inTp = bits->ReadBits(8, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+    ParseTwoBytes(firstByte, inTp, cValues);
+    for (int32_t i = 0; i < 3; i++) {
+      int32_t cValue = cValues[i];
+      switch (shift) {
+        case 0:
+          if (cValue < 3) {
+            shift = cValue + 1;
+          } else if (cValue < 40) {
+            FX_CHAR textChar = TEXT_BASIC_SET_CHARS[cValue];
+            if (upperShift) {
+              result += (FX_CHAR)(textChar + 128);
+              upperShift = FALSE;
+            } else {
+              result += textChar;
+            }
+          } else {
+            e = BCExceptionFormatException;
+            return;
+          }
+          break;
+        case 1:
+          if (upperShift) {
+            result += (FX_CHAR)(cValue + 128);
+            upperShift = FALSE;
+          } else {
+            result += cValue;
+          }
+          shift = 0;
+          break;
+        case 2:
+          if (cValue < 27) {
+            FX_CHAR c40char = C40_SHIFT2_SET_CHARS[cValue];
+            if (upperShift) {
+              result += (FX_CHAR)(c40char + 128);
+              upperShift = FALSE;
+            } else {
+              result += c40char;
+            }
+          } else if (cValue == 27) {
+            e = BCExceptionFormatException;
+            return;
+          } else if (cValue == 30) {
+            upperShift = TRUE;
+          } else {
+            e = BCExceptionFormatException;
+            return;
+          }
+          shift = 0;
+          break;
+        case 3:
+          if (cValue < 19) {
+            FX_CHAR textChar = TEXT_SHIFT3_SET_CHARS[cValue];
+            if (upperShift) {
+              result += (FX_CHAR)(textChar + 128);
+              upperShift = FALSE;
+            } else {
+              result += textChar;
+            }
+            shift = 0;
+          } else {
+            e = BCExceptionFormatException;
+            return;
+          }
+          break;
+        default:
+          break;
+          e = BCExceptionFormatException;
+          return;
+      }
+    }
+  } while (bits->Available() > 0);
+}
+void CBC_DataMatrixDecodedBitStreamParser::DecodeAnsiX12Segment(
+    CBC_CommonBitSource* bits,
+    CFX_ByteString& result,
+    int32_t& e) {
+  CFX_Int32Array cValues;
+  cValues.SetSize(3);
+  do {
+    if (bits->Available() == 8) {
+      return;
+    }
+    int32_t firstByte = bits->ReadBits(8, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+    if (firstByte == 254) {
+      return;
+    }
+    int32_t iTemp1 = bits->ReadBits(8, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+    ParseTwoBytes(firstByte, iTemp1, cValues);
+    int32_t i;
+    for (i = 0; i < 3; i++) {
+      int32_t cValue = cValues[i];
+      if (cValue == 0) {
+        BC_FX_ByteString_Append(result, 1, '\r');
+      } else if (cValue == 1) {
+        BC_FX_ByteString_Append(result, 1, '*');
+      } else if (cValue == 2) {
+        BC_FX_ByteString_Append(result, 1, '>');
+      } else if (cValue == 3) {
+        BC_FX_ByteString_Append(result, 1, ' ');
+      } else if (cValue < 14) {
+        BC_FX_ByteString_Append(result, 1, (FX_CHAR)(cValue + 44));
+      } else if (cValue < 40) {
+        BC_FX_ByteString_Append(result, 1, (FX_CHAR)(cValue + 51));
+      } else {
+        e = BCExceptionFormatException;
+        return;
+      }
+    }
+  } while (bits->Available() > 0);
+}
+void CBC_DataMatrixDecodedBitStreamParser::ParseTwoBytes(
+    int32_t firstByte,
+    int32_t secondByte,
+    CFX_Int32Array& result) {
+  int32_t fullBitValue = (firstByte << 8) + secondByte - 1;
+  int32_t temp = fullBitValue / 1600;
+  result[0] = temp;
+  fullBitValue -= temp * 1600;
+  temp = fullBitValue / 40;
+  result[1] = temp;
+  result[2] = fullBitValue - temp * 40;
+}
+
+void CBC_DataMatrixDecodedBitStreamParser::DecodeEdifactSegment(
+    CBC_CommonBitSource* bits,
+    CFX_ByteString& result,
+    int32_t& e) {
+  FX_CHAR buffer[128];
+  FX_BOOL unlatch = FALSE;
+  do {
+    if (bits->Available() <= 16)
+      return;
+
+    for (int32_t i = 0; i < 4; i++) {
+      int32_t edifactValue = bits->ReadBits(6, e);
+      BC_EXCEPTION_CHECK_ReturnVoid(e);
+      if (edifactValue == 0x1F)
+        unlatch = TRUE;
+
+      if (!unlatch) {
+        if ((edifactValue & 32) == 0)
+          edifactValue |= 64;
+        result += FXSYS_itoa(edifactValue, buffer, 10);
+      }
+    }
+  } while (!unlatch && bits->Available() > 0);
+}
+
+void CBC_DataMatrixDecodedBitStreamParser::DecodeBase256Segment(
+    CBC_CommonBitSource* bits,
+    CFX_ByteString& result,
+    CFX_Int32Array& byteSegments,
+    int32_t& e) {
+  int32_t codewordPosition = 1 + bits->getByteOffset();
+  int32_t iTmp = bits->ReadBits(8, e);
+  BC_EXCEPTION_CHECK_ReturnVoid(e);
+  int32_t d1 = Unrandomize255State(iTmp, codewordPosition++);
+  int32_t count;
+  if (d1 == 0) {
+    count = bits->Available() / 8;
+  } else if (d1 < 250) {
+    count = d1;
+  } else {
+    int32_t iTmp3 = bits->ReadBits(8, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+    count = 250 * (d1 - 249) + Unrandomize255State(iTmp3, codewordPosition++);
+  }
+  if (count < 0) {
+    e = BCExceptionFormatException;
+    return;
+  }
+  CFX_ByteArray* bytes = new CFX_ByteArray();
+  bytes->SetSize(count);
+  int32_t i;
+  for (i = 0; i < count; i++) {
+    if (bits->Available() < 8) {
+      e = BCExceptionFormatException;
+      delete bytes;
+      return;
+    }
+    int32_t iTemp5 = bits->ReadBits(8, e);
+    if (e != BCExceptionNO) {
+      delete bytes;
+      return;
+    }
+    bytes->SetAt(i, Unrandomize255State(iTemp5, codewordPosition++));
+  }
+  BC_FX_ByteString_Append(result, *bytes);
+  delete bytes;
+}
+uint8_t CBC_DataMatrixDecodedBitStreamParser::Unrandomize255State(
+    int32_t randomizedBase256Codeword,
+    int32_t base256CodewordPosition) {
+  int32_t pseudoRandomNumber = ((149 * base256CodewordPosition) % 255) + 1;
+  int32_t tempVariable = randomizedBase256Codeword - pseudoRandomNumber;
+  return (uint8_t)(tempVariable >= 0 ? tempVariable : tempVariable + 256);
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.h
new file mode 100644
index 0000000000..415e27b166
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.h
@@ -0,0 +1,58 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_
+class CBC_CommonDecoderResult;
+class CBC_CommonBitSource;
+class CBC_DataMatrixDecodedBitStreamParser {
+ public:
+  CBC_DataMatrixDecodedBitStreamParser();
+  virtual ~CBC_DataMatrixDecodedBitStreamParser();
+  static CBC_CommonDecoderResult* Decode(CFX_ByteArray& bytes, int32_t& e);
+
+ private:
+  static int32_t DecodeAsciiSegment(CBC_CommonBitSource* bits,
+                                    CFX_ByteString& result,
+                                    CFX_ByteString& resultTrailer,
+                                    int32_t& e);
+  static void DecodeC40Segment(CBC_CommonBitSource* bits,
+                               CFX_ByteString& result,
+                               int32_t& e);
+  static void DecodeTextSegment(CBC_CommonBitSource* bits,
+                                CFX_ByteString& result,
+                                int32_t& e);
+  static void DecodeAnsiX12Segment(CBC_CommonBitSource* bits,
+                                   CFX_ByteString& result,
+                                   int32_t& e);
+  static void ParseTwoBytes(int32_t firstByte,
+                            int32_t secondByte,
+                            CFX_Int32Array& result);
+  static void DecodeEdifactSegment(CBC_CommonBitSource* bits,
+                                   CFX_ByteString& result,
+                                   int32_t& e);
+  static void DecodeBase256Segment(CBC_CommonBitSource* bits,
+                                   CFX_ByteString& result,
+                                   CFX_Int32Array& byteSegments,
+                                   int32_t& e);
+  static uint8_t Unrandomize255State(int32_t randomizedBase256Codeword,
+                                     int32_t base256CodewordPosition);
+
+  static const FX_CHAR C40_BASIC_SET_CHARS[];
+  static const FX_CHAR C40_SHIFT2_SET_CHARS[];
+
+  static const FX_CHAR TEXT_BASIC_SET_CHARS[];
+  static const FX_CHAR TEXT_SHIFT3_SET_CHARS[];
+  static const int32_t PAD_ENCODE;
+  static const int32_t ASCII_ENCODE;
+  static const int32_t C40_ENCODE;
+  static const int32_t TEXT_ENCODE;
+  static const int32_t ANSIX12_ENCODE;
+  static const int32_t EDIFACT_ENCODE;
+  static const int32_t BASE256_ENCODE;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp
new file mode 100644
index 0000000000..3f765aa8f9
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp
@@ -0,0 +1,114 @@
+// 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/fxbarcode/datamatrix/BC_DataMatrixDecoder.h"
+
+#include <memory>
+
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h"
+#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
+
+CBC_DataMatrixDecoder::CBC_DataMatrixDecoder() {
+  m_rsDecoder = NULL;
+}
+void CBC_DataMatrixDecoder::Init() {
+  m_rsDecoder =
+      new CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::DataMatrixField);
+}
+CBC_DataMatrixDecoder::~CBC_DataMatrixDecoder() {
+  delete m_rsDecoder;
+}
+CBC_CommonDecoderResult* CBC_DataMatrixDecoder::Decode(
+    CBC_CommonBitMatrix* bits,
+    int32_t& e) {
+  CBC_DataMatrixBitMatrixParser parser;
+  parser.Init(bits, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  CBC_DataMatrixVersion* version = parser.GetVersion();
+  std::unique_ptr<CFX_ByteArray> codewords(parser.ReadCodewords(e));
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  CFX_PtrArray* dataBlocks =
+      CBC_DataMatrixDataBlock::GetDataBlocks(codewords.get(), version, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  int32_t dataBlocksCount = dataBlocks->GetSize();
+  int32_t totalBytes = 0;
+  int32_t i, j;
+  for (i = 0; i < dataBlocksCount; i++) {
+    totalBytes +=
+        ((CBC_DataMatrixDataBlock*)(*dataBlocks)[i])->GetNumDataCodewords();
+  }
+  CFX_ByteArray resultBytes;
+  resultBytes.SetSize(totalBytes);
+  for (j = 0; j < dataBlocksCount; j++) {
+    CFX_ByteArray* codewordBytes =
+        ((CBC_DataMatrixDataBlock*)(*dataBlocks)[j])->GetCodewords();
+    int32_t numDataCodewords =
+        ((CBC_DataMatrixDataBlock*)(*dataBlocks)[j])->GetNumDataCodewords();
+    CorrectErrors(*codewordBytes, numDataCodewords, e);
+    if (e != BCExceptionNO) {
+      for (int32_t i = 0; i < dataBlocks->GetSize(); i++) {
+        delete (CBC_DataMatrixDataBlock*)(*dataBlocks)[i];
+      }
+      delete dataBlocks;
+      dataBlocks = NULL;
+      return NULL;
+    }
+    int32_t i;
+    for (i = 0; i < numDataCodewords; i++) {
+      resultBytes[i * dataBlocksCount + j] = (*codewordBytes)[i];
+    }
+  }
+  for (i = 0; i < (dataBlocks->GetSize()); i++) {
+    delete (CBC_DataMatrixDataBlock*)(*dataBlocks)[i];
+  }
+  delete dataBlocks;
+  dataBlocks = NULL;
+  CBC_CommonDecoderResult* resultR =
+      CBC_DataMatrixDecodedBitStreamParser::Decode(resultBytes, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  return resultR;
+}
+void CBC_DataMatrixDecoder::CorrectErrors(CFX_ByteArray& codewordBytes,
+                                          int32_t numDataCodewords,
+                                          int32_t& e) {
+  int32_t numCodewords = codewordBytes.GetSize();
+  CFX_Int32Array codewordsInts;
+  codewordsInts.SetSize(numCodewords);
+  int32_t i;
+  for (i = 0; i < numCodewords; i++) {
+    codewordsInts[i] = codewordBytes[i] & 0xFF;
+  }
+  int32_t numECCodewords = codewordBytes.GetSize() - numDataCodewords;
+  m_rsDecoder->Decode(&codewordsInts, numECCodewords, e);
+  if (e != BCExceptionNO) {
+    e = BCExceptionChecksumException;
+    return;
+  }
+  for (i = 0; i < numDataCodewords; i++) {
+    codewordBytes[i] = (uint8_t)codewordsInts[i];
+  }
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.h
new file mode 100644
index 0000000000..2f70282d01
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.h
@@ -0,0 +1,30 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODER_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_ReedSolomonDecoder;
+class CBC_CommonDecoderResult;
+class CBC_CommonBitMatrix;
+
+class CBC_DataMatrixDecoder {
+ public:
+  CBC_DataMatrixDecoder();
+  virtual ~CBC_DataMatrixDecoder();
+  CBC_CommonDecoderResult* Decode(CBC_CommonBitMatrix* bits, int32_t& e);
+  virtual void Init();
+
+ private:
+  void CorrectErrors(CFX_ByteArray& codewordBytes,
+                     int32_t numDataCodewords,
+                     int32_t& e);
+  CBC_ReedSolomonDecoder* m_rsDecoder;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
new file mode 100644
index 0000000000..fd410097cc
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
@@ -0,0 +1,406 @@
+// 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/datamatrix/BC_DataMatrixDetector.h"
+
+#include <algorithm>
+#include <memory>
+
+#include "xfa/fxbarcode/BC_ResultPoint.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/common/BC_WhiteRectangleDetector.h"
+#include "xfa/fxbarcode/qrcode/BC_QRDetectorResult.h"
+#include "xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h"
+#include "xfa/fxbarcode/qrcode/BC_QRGridSampler.h"
+#include "xfa/fxbarcode/utils.h"
+
+const int32_t CBC_DataMatrixDetector::INTEGERS[5] = {0, 1, 2, 3, 4};
+CBC_DataMatrixDetector::CBC_DataMatrixDetector(CBC_CommonBitMatrix* image)
+    : m_image(image), m_rectangleDetector(NULL) {}
+void CBC_DataMatrixDetector::Init(int32_t& e) {
+  m_rectangleDetector = new CBC_WhiteRectangleDetector(m_image);
+  m_rectangleDetector->Init(e);
+  BC_EXCEPTION_CHECK_ReturnVoid(e);
+}
+CBC_DataMatrixDetector::~CBC_DataMatrixDetector() {
+  delete m_rectangleDetector;
+}
+inline FX_BOOL ResultPointsAndTransitionsComparator(void* a, void* b) {
+  return ((CBC_ResultPointsAndTransitions*)b)->GetTransitions() >
+         ((CBC_ResultPointsAndTransitions*)a)->GetTransitions();
+}
+CBC_QRDetectorResult* CBC_DataMatrixDetector::Detect(int32_t& e) {
+  CFX_PtrArray* cornerPoints = m_rectangleDetector->Detect(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  CBC_ResultPoint* pointA = (CBC_ResultPoint*)(*cornerPoints)[0];
+  CBC_ResultPoint* pointB = (CBC_ResultPoint*)(*cornerPoints)[1];
+  CBC_ResultPoint* pointC = (CBC_ResultPoint*)(*cornerPoints)[2];
+  CBC_ResultPoint* pointD = (CBC_ResultPoint*)(*cornerPoints)[3];
+  delete cornerPoints;
+  cornerPoints = NULL;
+  CFX_PtrArray transitions;
+  transitions.Add(TransitionsBetween(pointA, pointB));
+  transitions.Add(TransitionsBetween(pointA, pointC));
+  transitions.Add(TransitionsBetween(pointB, pointD));
+  transitions.Add(TransitionsBetween(pointC, pointD));
+  BC_FX_PtrArray_Sort(transitions, &ResultPointsAndTransitionsComparator);
+  delete ((CBC_ResultPointsAndTransitions*)transitions[2]);
+  delete ((CBC_ResultPointsAndTransitions*)transitions[3]);
+  CBC_ResultPointsAndTransitions* lSideOne =
+      (CBC_ResultPointsAndTransitions*)transitions[0];
+  CBC_ResultPointsAndTransitions* lSideTwo =
+      (CBC_ResultPointsAndTransitions*)transitions[1];
+  CFX_MapPtrTemplate<CBC_ResultPoint*, int32_t> pointCount;
+  Increment(pointCount, lSideOne->GetFrom());
+  Increment(pointCount, lSideOne->GetTo());
+  Increment(pointCount, lSideTwo->GetFrom());
+  Increment(pointCount, lSideTwo->GetTo());
+  delete ((CBC_ResultPointsAndTransitions*)transitions[1]);
+  delete ((CBC_ResultPointsAndTransitions*)transitions[0]);
+  transitions.RemoveAll();
+  CBC_ResultPoint* maybeTopLeft = NULL;
+  CBC_ResultPoint* bottomLeft = NULL;
+  CBC_ResultPoint* maybeBottomRight = NULL;
+  FX_POSITION itBegin = pointCount.GetStartPosition();
+  while (itBegin) {
+    CBC_ResultPoint* key = 0;
+    int32_t value = 0;
+    pointCount.GetNextAssoc(itBegin, key, value);
+    if (value == 2) {
+      bottomLeft = key;
+    } else {
+      if (maybeBottomRight == NULL) {
+        maybeBottomRight = key;
+      } else {
+        maybeTopLeft = key;
+      }
+    }
+  }
+  if (maybeTopLeft == NULL || bottomLeft == NULL || maybeBottomRight == NULL) {
+    delete pointA;
+    delete pointB;
+    delete pointC;
+    delete pointD;
+    e = BCExceptionNotFound;
+    return NULL;
+  }
+  CFX_PtrArray corners;
+  corners.SetSize(3);
+  corners[0] = maybeTopLeft;
+  corners[1] = bottomLeft;
+  corners[2] = maybeBottomRight;
+  OrderBestPatterns(&corners);
+  CBC_ResultPoint* bottomRight = (CBC_ResultPoint*)corners[0];
+  bottomLeft = (CBC_ResultPoint*)corners[1];
+  CBC_ResultPoint* topLeft = (CBC_ResultPoint*)corners[2];
+  CBC_ResultPoint* topRight = NULL;
+  int32_t value;
+  if (!pointCount.Lookup(pointA, value)) {
+    topRight = pointA;
+  } else if (!pointCount.Lookup(pointB, value)) {
+    topRight = pointB;
+  } else if (!pointCount.Lookup(pointC, value)) {
+    topRight = pointC;
+  } else {
+    topRight = pointD;
+  }
+  int32_t dimensionTop = std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(topLeft, topRight))
+                             ->GetTransitions();
+  int32_t dimensionRight = std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                               TransitionsBetween(bottomRight, topRight))
+                               ->GetTransitions();
+  if ((dimensionTop & 0x01) == 1) {
+    dimensionTop++;
+  }
+  dimensionTop += 2;
+  if ((dimensionRight & 0x01) == 1) {
+    dimensionRight++;
+  }
+  dimensionRight += 2;
+  std::unique_ptr<CBC_CommonBitMatrix> bits;
+  std::unique_ptr<CBC_ResultPoint> correctedTopRight;
+  if (4 * dimensionTop >= 7 * dimensionRight ||
+      4 * dimensionRight >= 7 * dimensionTop) {
+    correctedTopRight.reset(
+        CorrectTopRightRectangular(bottomLeft, bottomRight, topLeft, topRight,
+                                   dimensionTop, dimensionRight));
+    if (correctedTopRight.get() == NULL) {
+      correctedTopRight.reset(topRight);
+    } else {
+      delete topRight;
+      topRight = NULL;
+    }
+    dimensionTop = std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                       TransitionsBetween(topLeft, correctedTopRight.get()))
+                       ->GetTransitions();
+    dimensionRight =
+        std::unique_ptr<CBC_ResultPointsAndTransitions>(
+            TransitionsBetween(bottomRight, correctedTopRight.get()))
+            ->GetTransitions();
+    if ((dimensionTop & 0x01) == 1) {
+      dimensionTop++;
+    }
+    if ((dimensionRight & 0x01) == 1) {
+      dimensionRight++;
+    }
+    bits.reset(SampleGrid(m_image, topLeft, bottomLeft, bottomRight,
+                          correctedTopRight.get(), dimensionTop, dimensionRight,
+                          e));
+    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  } else {
+    int32_t dimension = std::min(dimensionRight, dimensionTop);
+    correctedTopRight.reset(
+        CorrectTopRight(bottomLeft, bottomRight, topLeft, topRight, dimension));
+    if (correctedTopRight.get() == NULL) {
+      correctedTopRight.reset(topRight);
+    } else {
+      delete topRight;
+      topRight = NULL;
+    }
+    int32_t dimensionCorrected =
+        std::max(std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                     TransitionsBetween(topLeft, correctedTopRight.get()))
+                     ->GetTransitions(),
+                 std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                     TransitionsBetween(bottomRight, correctedTopRight.get()))
+                     ->GetTransitions());
+    dimensionCorrected++;
+    if ((dimensionCorrected & 0x01) == 1) {
+      dimensionCorrected++;
+    }
+    bits.reset(SampleGrid(m_image, topLeft, bottomLeft, bottomRight,
+                          correctedTopRight.get(), dimensionCorrected,
+                          dimensionCorrected, e));
+    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  }
+  CFX_PtrArray* result = new CFX_PtrArray;
+  result->SetSize(4);
+  result->Add(topLeft);
+  result->Add(bottomLeft);
+  result->Add(bottomRight);
+  result->Add(correctedTopRight.release());
+  return new CBC_QRDetectorResult(bits.release(), result);
+}
+CBC_ResultPoint* CBC_DataMatrixDetector::CorrectTopRightRectangular(
+    CBC_ResultPoint* bottomLeft,
+    CBC_ResultPoint* bottomRight,
+    CBC_ResultPoint* topLeft,
+    CBC_ResultPoint* topRight,
+    int32_t dimensionTop,
+    int32_t dimensionRight) {
+  FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimensionTop;
+  int32_t norm = Distance(topLeft, topRight);
+  FX_FLOAT cos = (topRight->GetX() - topLeft->GetX()) / norm;
+  FX_FLOAT sin = (topRight->GetY() - topLeft->GetY()) / norm;
+  std::unique_ptr<CBC_ResultPoint> c1(new CBC_ResultPoint(
+      topRight->GetX() + corr * cos, topRight->GetY() + corr * sin));
+  corr = Distance(bottomLeft, topLeft) / (FX_FLOAT)dimensionRight;
+  norm = Distance(bottomRight, topRight);
+  cos = (topRight->GetX() - bottomRight->GetX()) / norm;
+  sin = (topRight->GetY() - bottomRight->GetY()) / norm;
+  std::unique_ptr<CBC_ResultPoint> c2(new CBC_ResultPoint(
+      topRight->GetX() + corr * cos, topRight->GetY() + corr * sin));
+  if (!IsValid(c1.get())) {
+    if (IsValid(c2.get())) {
+      return c2.release();
+    }
+    return NULL;
+  } else if (!IsValid(c2.get())) {
+    return c1.release();
+  }
+  int32_t l1 = FXSYS_abs(dimensionTop -
+                         std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(topLeft, c1.get()))
+                             ->GetTransitions()) +
+               FXSYS_abs(dimensionRight -
+                         std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(bottomRight, c1.get()))
+                             ->GetTransitions());
+  int32_t l2 = FXSYS_abs(dimensionTop -
+                         std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(topLeft, c2.get()))
+                             ->GetTransitions()) +
+               FXSYS_abs(dimensionRight -
+                         std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(bottomRight, c2.get()))
+                             ->GetTransitions());
+  if (l1 <= l2) {
+    return c1.release();
+  }
+  return c2.release();
+}
+CBC_ResultPoint* CBC_DataMatrixDetector::CorrectTopRight(
+    CBC_ResultPoint* bottomLeft,
+    CBC_ResultPoint* bottomRight,
+    CBC_ResultPoint* topLeft,
+    CBC_ResultPoint* topRight,
+    int32_t dimension) {
+  FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimension;
+  int32_t norm = Distance(topLeft, topRight);
+  FX_FLOAT cos = (topRight->GetX() - topLeft->GetX()) / norm;
+  FX_FLOAT sin = (topRight->GetY() - topLeft->GetY()) / norm;
+  std::unique_ptr<CBC_ResultPoint> c1(new CBC_ResultPoint(
+      topRight->GetX() + corr * cos, topRight->GetY() + corr * sin));
+  corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimension;
+  norm = Distance(bottomRight, topRight);
+  cos = (topRight->GetX() - bottomRight->GetX()) / norm;
+  sin = (topRight->GetY() - bottomRight->GetY()) / norm;
+  std::unique_ptr<CBC_ResultPoint> c2(new CBC_ResultPoint(
+      topRight->GetX() + corr * cos, topRight->GetY() + corr * sin));
+  if (!IsValid(c1.get())) {
+    if (IsValid(c2.get())) {
+      return c2.release();
+    }
+    return NULL;
+  } else if (!IsValid(c2.get())) {
+    return c1.release();
+  }
+  int32_t l1 = FXSYS_abs(std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(topLeft, c1.get()))
+                             ->GetTransitions() -
+                         std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(bottomRight, c1.get()))
+                             ->GetTransitions());
+  int32_t l2 = FXSYS_abs(std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(topLeft, c2.get()))
+                             ->GetTransitions() -
+                         std::unique_ptr<CBC_ResultPointsAndTransitions>(
+                             TransitionsBetween(bottomRight, c2.get()))
+                             ->GetTransitions());
+  return l1 <= l2 ? c1.release() : c2.release();
+}
+FX_BOOL CBC_DataMatrixDetector::IsValid(CBC_ResultPoint* p) {
+  return p->GetX() >= 0 && p->GetX() < m_image->GetWidth() && p->GetY() > 0 &&
+         p->GetY() < m_image->GetHeight();
+}
+int32_t CBC_DataMatrixDetector::Round(FX_FLOAT d) {
+  return (int32_t)(d + 0.5f);
+}
+int32_t CBC_DataMatrixDetector::Distance(CBC_ResultPoint* a,
+                                         CBC_ResultPoint* b) {
+  return Round(
+      (FX_FLOAT)sqrt((a->GetX() - b->GetX()) * (a->GetX() - b->GetX()) +
+                     (a->GetY() - b->GetY()) * (a->GetY() - b->GetY())));
+}
+void CBC_DataMatrixDetector::Increment(
+    CFX_MapPtrTemplate<CBC_ResultPoint*, int32_t>& table,
+    CBC_ResultPoint* key) {
+  int32_t value;
+  if (table.Lookup(key, value)) {
+    table.SetAt(key, INTEGERS[value + 1]);
+  } else {
+    table.SetAt(key, INTEGERS[1]);
+  }
+}
+CBC_CommonBitMatrix* CBC_DataMatrixDetector::SampleGrid(
+    CBC_CommonBitMatrix* image,
+    CBC_ResultPoint* topLeft,
+    CBC_ResultPoint* bottomLeft,
+    CBC_ResultPoint* bottomRight,
+    CBC_ResultPoint* topRight,
+    int32_t dimensionX,
+    int32_t dimensionY,
+    int32_t& e) {
+  CBC_QRGridSampler& sampler = CBC_QRGridSampler::GetInstance();
+  CBC_CommonBitMatrix* cbm = sampler.SampleGrid(
+      image, dimensionX, dimensionY, 0.5f, 0.5f, dimensionX - 0.5f, 0.5f,
+      dimensionX - 0.5f, dimensionY - 0.5f, 0.5f, dimensionY - 0.5f,
+      topLeft->GetX(), topLeft->GetY(), topRight->GetX(), topRight->GetY(),
+      bottomRight->GetX(), bottomRight->GetY(), bottomLeft->GetX(),
+      bottomLeft->GetY(), e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  return cbm;
+}
+CBC_ResultPointsAndTransitions* CBC_DataMatrixDetector::TransitionsBetween(
+    CBC_ResultPoint* from,
+    CBC_ResultPoint* to) {
+  int32_t fromX = (int32_t)from->GetX();
+  int32_t fromY = (int32_t)from->GetY();
+  int32_t toX = (int32_t)to->GetX();
+  int32_t toY = (int32_t)to->GetY();
+  FX_BOOL steep = FXSYS_abs(toY - fromY) > FXSYS_abs(toX - fromX);
+  if (steep) {
+    int32_t temp = fromX;
+    fromX = fromY;
+    fromY = temp;
+    temp = toX;
+    toX = toY;
+    toY = temp;
+  }
+  int32_t dx = FXSYS_abs(toX - fromX);
+  int32_t dy = FXSYS_abs(toY - fromY);
+  int32_t error = -dx >> 1;
+  int32_t ystep = fromY < toY ? 1 : -1;
+  int32_t xstep = fromX < toX ? 1 : -1;
+  int32_t transitions = 0;
+  FX_BOOL inBlack = m_image->Get(steep ? fromY : fromX, steep ? fromX : fromY);
+  for (int32_t x = fromX, y = fromY; x != toX; x += xstep) {
+    FX_BOOL isBlack = m_image->Get(steep ? y : x, steep ? x : y);
+    if (isBlack != inBlack) {
+      transitions++;
+      inBlack = isBlack;
+    }
+    error += dy;
+    if (error > 0) {
+      if (y == toY) {
+        break;
+      }
+      y += ystep;
+      error -= dx;
+    }
+  }
+  return new CBC_ResultPointsAndTransitions(from, to, transitions);
+}
+void CBC_DataMatrixDetector::OrderBestPatterns(CFX_PtrArray* patterns) {
+  FX_FLOAT abDistance = (FX_FLOAT)Distance((CBC_ResultPoint*)(*patterns)[0],
+                                           (CBC_ResultPoint*)(*patterns)[1]);
+  FX_FLOAT bcDistance = (FX_FLOAT)Distance((CBC_ResultPoint*)(*patterns)[1],
+                                           (CBC_ResultPoint*)(*patterns)[2]);
+  FX_FLOAT acDistance = (FX_FLOAT)Distance((CBC_ResultPoint*)(*patterns)[0],
+                                           (CBC_ResultPoint*)(*patterns)[2]);
+  CBC_ResultPoint *topLeft, *topRight, *bottomLeft;
+  if (bcDistance >= abDistance && bcDistance >= acDistance) {
+    topLeft = (CBC_ResultPoint*)(*patterns)[0];
+    topRight = (CBC_ResultPoint*)(*patterns)[1];
+    bottomLeft = (CBC_ResultPoint*)(*patterns)[2];
+  } else if (acDistance >= bcDistance && acDistance >= abDistance) {
+    topLeft = (CBC_ResultPoint*)(*patterns)[1];
+    topRight = (CBC_ResultPoint*)(*patterns)[0];
+    bottomLeft = (CBC_ResultPoint*)(*patterns)[2];
+  } else {
+    topLeft = (CBC_ResultPoint*)(*patterns)[2];
+    topRight = (CBC_ResultPoint*)(*patterns)[0];
+    bottomLeft = (CBC_ResultPoint*)(*patterns)[1];
+  }
+  if ((bottomLeft->GetY() - topLeft->GetY()) *
+          (topRight->GetX() - topLeft->GetX()) <
+      (bottomLeft->GetX() - topLeft->GetX()) *
+          (topRight->GetY() - topLeft->GetY())) {
+    CBC_ResultPoint* temp = topRight;
+    topRight = bottomLeft;
+    bottomLeft = temp;
+  }
+  (*patterns)[0] = bottomLeft;
+  (*patterns)[1] = topLeft;
+  (*patterns)[2] = topRight;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.h
new file mode 100644
index 0000000000..62d1699c0a
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.h
@@ -0,0 +1,78 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDETECTOR_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDETECTOR_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_CommonBitMatrix;
+class CBC_WhiteRectangleDetector;
+class CBC_ResultPoint;
+class CBC_QRDetectorResult;
+class CBC_DataMatrixDetector;
+class ResultPointsAndTransitions;
+class CBC_ResultPointsAndTransitions {
+ public:
+  CBC_ResultPointsAndTransitions(CBC_ResultPoint* from,
+                                 CBC_ResultPoint* to,
+                                 int32_t transitions) {
+    m_from = from;
+    m_to = to;
+    m_transitions = transitions;
+  }
+  ~CBC_ResultPointsAndTransitions() {}
+  CBC_ResultPoint* GetFrom() { return m_from; }
+  CBC_ResultPoint* GetTo() { return m_to; }
+  int32_t GetTransitions() { return m_transitions; }
+
+ private:
+  CBC_ResultPoint* m_from;
+  CBC_ResultPoint* m_to;
+  int32_t m_transitions;
+};
+class CBC_DataMatrixDetector {
+ public:
+  CBC_DataMatrixDetector(CBC_CommonBitMatrix* image);
+  virtual ~CBC_DataMatrixDetector();
+  CBC_QRDetectorResult* Detect(int32_t& e);
+  CBC_ResultPoint* CorrectTopRightRectangular(CBC_ResultPoint* bottomLeft,
+                                              CBC_ResultPoint* bottomRight,
+                                              CBC_ResultPoint* topLeft,
+                                              CBC_ResultPoint* topRight,
+                                              int32_t dimensionTop,
+                                              int32_t dimensionRight);
+  CBC_ResultPoint* CorrectTopRight(CBC_ResultPoint* bottomLeft,
+                                   CBC_ResultPoint* bottomRight,
+                                   CBC_ResultPoint* topLeft,
+                                   CBC_ResultPoint* topRight,
+                                   int32_t dimension);
+  CBC_CommonBitMatrix* SampleGrid(CBC_CommonBitMatrix* image,
+                                  CBC_ResultPoint* topLeft,
+                                  CBC_ResultPoint* bottomLeft,
+                                  CBC_ResultPoint* bottomRight,
+                                  CBC_ResultPoint* topRight,
+                                  int32_t dimensionX,
+                                  int32_t dimensionY,
+                                  int32_t& e);
+  CBC_ResultPointsAndTransitions* TransitionsBetween(CBC_ResultPoint* from,
+                                                     CBC_ResultPoint* to);
+  FX_BOOL IsValid(CBC_ResultPoint* p);
+  int32_t Distance(CBC_ResultPoint* a, CBC_ResultPoint* b);
+  void Increment(CFX_MapPtrTemplate<CBC_ResultPoint*, int32_t>& table,
+                 CBC_ResultPoint* key);
+  int32_t Round(FX_FLOAT d);
+  void OrderBestPatterns(CFX_PtrArray* patterns);
+  virtual void Init(int32_t& e);
+
+ private:
+  static const int32_t INTEGERS[5];
+
+  CBC_CommonBitMatrix* m_image;
+  CBC_WhiteRectangleDetector* m_rectangleDetector;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDETECTOR_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixReader.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixReader.cpp
new file mode 100644
index 0000000000..9a22d4db3a
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixReader.cpp
@@ -0,0 +1,65 @@
+// 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/fxbarcode/datamatrix/BC_DataMatrixReader.h"
+
+#include <memory>
+
+#include "xfa/fxbarcode/BC_BinaryBitmap.h"
+#include "xfa/fxbarcode/BC_Reader.h"
+#include "xfa/fxbarcode/common/BC_CommonDecoderResult.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.h"
+#include "xfa/fxbarcode/qrcode/BC_QRDetectorResult.h"
+#include "xfa/fxbarcode/utils.h"
+
+CBC_DataMatrixReader::CBC_DataMatrixReader() {
+  m_decoder = NULL;
+}
+void CBC_DataMatrixReader::Init() {
+  m_decoder = new CBC_DataMatrixDecoder;
+  m_decoder->Init();
+}
+CBC_DataMatrixReader::~CBC_DataMatrixReader() {
+  delete m_decoder;
+}
+CFX_ByteString CBC_DataMatrixReader::Decode(CBC_BinaryBitmap* image,
+                                            int32_t hints,
+                                            int32_t& e) {
+  CBC_CommonBitMatrix* cdr = image->GetBlackMatrix(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, "");
+  CBC_DataMatrixDetector detector(cdr);
+  detector.Init(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, "");
+  std::unique_ptr<CBC_QRDetectorResult> detectorResult(detector.Detect(e));
+  BC_EXCEPTION_CHECK_ReturnValue(e, "");
+  std::unique_ptr<CBC_CommonDecoderResult> decodeResult(
+      m_decoder->Decode(detectorResult->GetBits(), e));
+  BC_EXCEPTION_CHECK_ReturnValue(e, "");
+  return decodeResult->GetText();
+}
+CFX_ByteString CBC_DataMatrixReader::Decode(CBC_BinaryBitmap* image,
+                                            int32_t& e) {
+  CFX_ByteString bs = Decode(image, 0, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, "");
+  return bs;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixReader.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixReader.h
new file mode 100644
index 0000000000..21fc54eeb5
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixReader.h
@@ -0,0 +1,28 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXREADER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXREADER_H_
+
+#include "xfa/fxbarcode/BC_Reader.h"
+
+class CBC_BinaryBitmap;
+class CBC_DataMatrixDecoder;
+
+class CBC_DataMatrixReader : public CBC_Reader {
+ public:
+  CBC_DataMatrixReader();
+  virtual ~CBC_DataMatrixReader();
+  CFX_ByteString Decode(CBC_BinaryBitmap* image, int32_t& e);
+  CFX_ByteString Decode(CBC_BinaryBitmap* image, int hints, int32_t& e);
+
+  virtual void Init();
+
+ private:
+  CBC_DataMatrixDecoder* m_decoder;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXREADER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.cpp
new file mode 100644
index 0000000000..16c253f062
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.cpp
@@ -0,0 +1,40 @@
+// 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 2006 Jeremias Maerki
+ *
+ * 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/datamatrix/BC_DataMatrixSymbolInfo144.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+CBC_DataMatrixSymbolInfo144::CBC_DataMatrixSymbolInfo144()
+    : CBC_SymbolInfo(FALSE, 1558, 620, 22, 22, 36) {
+  m_rsBlockData = -1;
+  m_rsBlockError = 62;
+}
+CBC_DataMatrixSymbolInfo144::~CBC_DataMatrixSymbolInfo144() {}
+int32_t CBC_DataMatrixSymbolInfo144::getInterleavedBlockCount() {
+  return 10;
+}
+int32_t CBC_DataMatrixSymbolInfo144getDataLengthForInterleavedBlock(
+    int32_t index) {
+  return (index <= 8) ? 156 : 155;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.h
new file mode 100644
index 0000000000..4d6cdc1291
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.h
@@ -0,0 +1,20 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXSYMBOLINFO144_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXSYMBOLINFO144_H_
+
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+
+class CBC_DataMatrixSymbolInfo144 : public CBC_SymbolInfo {
+ public:
+  CBC_DataMatrixSymbolInfo144();
+  virtual ~CBC_DataMatrixSymbolInfo144();
+  int32_t getInterleavedBlockCount();
+  int32_t getDataLengthForInterleavedBlock(int32_t index);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXSYMBOLINFO144_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.cpp
new file mode 100644
index 0000000000..50131f3dc2
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.cpp
@@ -0,0 +1,173 @@
+// 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 <stdint.h>
+
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
+#include "xfa/fxbarcode/utils.h"
+
+CFX_PtrArray* CBC_DataMatrixVersion::VERSIONS = NULL;
+
+void CBC_DataMatrixVersion::Initialize() {
+  VERSIONS = new CFX_PtrArray();
+}
+void CBC_DataMatrixVersion::Finalize() {
+  for (int32_t i = 0; i < VERSIONS->GetSize(); i++) {
+    delete ((CBC_DataMatrixVersion*)(VERSIONS->GetAt(i)));
+  }
+  VERSIONS->RemoveAll();
+  delete VERSIONS;
+}
+CBC_DataMatrixVersion::CBC_DataMatrixVersion(int32_t versionNumber,
+                                             int32_t symbolSizeRows,
+                                             int32_t symbolSizeColumns,
+                                             int32_t dataRegionSizeRows,
+                                             int32_t dataRegionSizeColumns,
+                                             ECBlocks* ecBlocks) {
+  m_versionNumber = versionNumber;
+  m_symbolSizeRows = symbolSizeRows;
+  m_symbolSizeColumns = symbolSizeColumns;
+  m_dataRegionSizeRows = dataRegionSizeRows;
+  m_dataRegionSizeColumns = dataRegionSizeColumns;
+  m_ecBlocks = ecBlocks;
+  int32_t total = 0;
+  int32_t ecCodewords = ecBlocks->GetECCodewords();
+  const CFX_PtrArray& ecbArray = ecBlocks->GetECBlocks();
+  for (int32_t i = 0; i < ecbArray.GetSize(); i++) {
+    total += ((ECB*)ecbArray[i])->GetCount() *
+             (((ECB*)ecbArray[i])->GetDataCodewords() + ecCodewords);
+  }
+  m_totalCodewords = total;
+}
+CBC_DataMatrixVersion::~CBC_DataMatrixVersion() {
+  delete m_ecBlocks;
+}
+int32_t CBC_DataMatrixVersion::GetVersionNumber() {
+  return m_versionNumber;
+}
+int32_t CBC_DataMatrixVersion::GetSymbolSizeRows() {
+  return m_symbolSizeRows;
+}
+int32_t CBC_DataMatrixVersion::GetSymbolSizeColumns() {
+  return m_symbolSizeColumns;
+}
+int32_t CBC_DataMatrixVersion::GetDataRegionSizeRows() {
+  return m_dataRegionSizeRows;
+}
+int32_t CBC_DataMatrixVersion::GetDataRegionSizeColumns() {
+  return m_dataRegionSizeColumns;
+}
+int32_t CBC_DataMatrixVersion::GetTotalCodewords() {
+  return m_totalCodewords;
+}
+ECBlocks* CBC_DataMatrixVersion::GetECBlocks() {
+  return m_ecBlocks;
+}
+void CBC_DataMatrixVersion::ReleaseAll() {
+  for (int32_t i = 0; i < VERSIONS->GetSize(); i++) {
+    delete (CBC_DataMatrixVersion*)VERSIONS->GetAt(i);
+  }
+  VERSIONS->RemoveAll();
+}
+CBC_DataMatrixVersion* CBC_DataMatrixVersion::GetVersionForDimensions(
+    int32_t numRows,
+    int32_t numColumns,
+    int32_t& e) {
+  if ((numRows & 0x01) != 0 || (numColumns & 0x01) != 0) {
+    e = BCExceptionNotFound;
+    return NULL;
+  }
+  if (VERSIONS->GetSize() == 0) {
+    VERSIONS->Add(new CBC_DataMatrixVersion(1, 10, 10, 8, 8,
+                                            new ECBlocks(5, new ECB(1, 3))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(2, 12, 12, 10, 10,
+                                            new ECBlocks(7, new ECB(1, 5))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(3, 14, 14, 12, 12,
+                                            new ECBlocks(10, new ECB(1, 8))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(4, 16, 16, 14, 14,
+                                            new ECBlocks(12, new ECB(1, 12))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(5, 18, 18, 16, 16,
+                                            new ECBlocks(14, new ECB(1, 18))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(6, 20, 20, 18, 18,
+                                            new ECBlocks(18, new ECB(1, 22))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(7, 22, 22, 20, 20,
+                                            new ECBlocks(20, new ECB(1, 30))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(8, 24, 24, 22, 22,
+                                            new ECBlocks(24, new ECB(1, 36))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(9, 26, 26, 24, 24,
+                                            new ECBlocks(28, new ECB(1, 44))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(10, 32, 32, 14, 14,
+                                            new ECBlocks(36, new ECB(1, 62))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(11, 36, 36, 16, 16,
+                                            new ECBlocks(42, new ECB(1, 86))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(12, 40, 40, 18, 18,
+                                            new ECBlocks(48, new ECB(1, 114))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(13, 44, 44, 20, 20,
+                                            new ECBlocks(56, new ECB(1, 144))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(14, 48, 48, 22, 22,
+                                            new ECBlocks(68, new ECB(1, 174))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(15, 52, 52, 24, 24,
+                                            new ECBlocks(42, new ECB(2, 102))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(16, 64, 64, 14, 14,
+                                            new ECBlocks(56, new ECB(2, 140))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(17, 72, 72, 16, 16,
+                                            new ECBlocks(36, new ECB(4, 92))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(18, 80, 80, 18, 18,
+                                            new ECBlocks(48, new ECB(4, 114))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(19, 88, 88, 20, 20,
+                                            new ECBlocks(56, new ECB(4, 144))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(20, 96, 96, 22, 22,
+                                            new ECBlocks(68, new ECB(4, 174))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(21, 104, 104, 24, 24,
+                                            new ECBlocks(56, new ECB(6, 136))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(22, 120, 120, 18, 18,
+                                            new ECBlocks(68, new ECB(6, 175))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(23, 132, 132, 20, 20,
+                                            new ECBlocks(62, new ECB(8, 163))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(
+        24, 144, 144, 22, 22,
+        new ECBlocks(62, new ECB(8, 156), new ECB(2, 155))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(25, 8, 18, 6, 16,
+                                            new ECBlocks(7, new ECB(1, 5))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(26, 8, 32, 6, 14,
+                                            new ECBlocks(11, new ECB(1, 10))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(27, 12, 26, 10, 24,
+                                            new ECBlocks(14, new ECB(1, 16))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(28, 12, 36, 10, 16,
+                                            new ECBlocks(18, new ECB(1, 22))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(29, 16, 36, 14, 16,
+                                            new ECBlocks(24, new ECB(1, 32))));
+    VERSIONS->Add(new CBC_DataMatrixVersion(30, 16, 48, 14, 22,
+                                            new ECBlocks(28, new ECB(1, 49))));
+  }
+  int32_t numVersions = VERSIONS->GetSize();
+  for (int32_t i = 0; i < numVersions; ++i) {
+    if (((CBC_DataMatrixVersion*)((*VERSIONS)[i]))->m_symbolSizeRows ==
+            numRows &&
+        ((CBC_DataMatrixVersion*)((*VERSIONS)[i]))->m_symbolSizeColumns ==
+            numColumns) {
+      return (CBC_DataMatrixVersion*)(*VERSIONS)[i];
+    }
+  }
+  e = BCExceptionNotFound;
+  return NULL;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h
new file mode 100644
index 0000000000..8a79355153
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h
@@ -0,0 +1,92 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXVERSION_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXVERSION_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_DataMatrixVersion;
+
+class ECB {
+ public:
+  ECB(int32_t count, int32_t dataCodewords) {
+    m_count = count;
+    m_dataCodewords = dataCodewords;
+  }
+
+  int32_t GetCount() { return m_count; }
+
+  int32_t GetDataCodewords() { return m_dataCodewords; }
+
+ private:
+  int32_t m_count;
+  int32_t m_dataCodewords;
+};
+
+class ECBlocks {
+ public:
+  ECBlocks(int32_t ecCodewords, ECB* ecBlocks) {
+    m_ecCodewords = ecCodewords;
+    m_ecBlocks.Add(ecBlocks);
+  }
+
+  ECBlocks(int32_t ecCodewords, ECB* ecBlocks1, ECB* ecBlocks2) {
+    m_ecCodewords = ecCodewords;
+    m_ecBlocks.Add(ecBlocks1);
+    m_ecBlocks.Add(ecBlocks2);
+  }
+  ~ECBlocks() {
+    for (int32_t i = 0; i < m_ecBlocks.GetSize(); i++) {
+      delete (ECB*)m_ecBlocks[i];
+    }
+    m_ecBlocks.RemoveAll();
+  }
+
+  int32_t GetECCodewords() { return m_ecCodewords; }
+
+  const CFX_PtrArray& GetECBlocks() { return m_ecBlocks; }
+
+ private:
+  int32_t m_ecCodewords;
+  CFX_PtrArray m_ecBlocks;
+};
+
+class CBC_DataMatrixVersion {
+ public:
+  CBC_DataMatrixVersion(int32_t versionNumber,
+                        int32_t symbolSizeRows,
+                        int32_t symbolSizeColumns,
+                        int32_t dataRegionSizeRows,
+                        int32_t dataRegionSizeColumns,
+                        ECBlocks* ecBlocks);
+  virtual ~CBC_DataMatrixVersion();
+  static void Initialize();
+  static void Finalize();
+  int32_t GetVersionNumber();
+  int32_t GetSymbolSizeRows();
+  int32_t GetSymbolSizeColumns();
+  int32_t GetDataRegionSizeRows();
+  int32_t GetDataRegionSizeColumns();
+  int32_t GetTotalCodewords();
+  ECBlocks* GetECBlocks();
+  static CBC_DataMatrixVersion* GetVersionForDimensions(int32_t numRows,
+                                                        int32_t numColumns,
+                                                        int32_t& e);
+  static void ReleaseAll();
+
+ private:
+  int32_t m_versionNumber;
+  int32_t m_symbolSizeRows;
+  int32_t m_symbolSizeColumns;
+  int32_t m_dataRegionSizeRows;
+  int32_t m_dataRegionSizeColumns;
+  ECBlocks* m_ecBlocks;
+  int32_t m_totalCodewords;
+  static CFX_PtrArray* VERSIONS;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXVERSION_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixWriter.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixWriter.cpp
new file mode 100644
index 0000000000..03cd5fba50
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixWriter.cpp
@@ -0,0 +1,136 @@
+// 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/BC_BinaryBitmap.h"
+#include "xfa/fxbarcode/BC_Dimension.h"
+#include "xfa/fxbarcode/BC_TwoDimWriter.h"
+#include "xfa/fxbarcode/BC_UtilCodingConvert.h"
+#include "xfa/fxbarcode/BC_Writer.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/common/BC_CommonByteMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Base256Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_C40Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixWriter.h"
+#include "xfa/fxbarcode/datamatrix/BC_DefaultPlacement.h"
+#include "xfa/fxbarcode/datamatrix/BC_EdifactEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_ErrorCorrection.h"
+#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+#include "xfa/fxbarcode/datamatrix/BC_TextEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_X12Encoder.h"
+
+CBC_DataMatrixWriter::CBC_DataMatrixWriter() {}
+CBC_DataMatrixWriter::~CBC_DataMatrixWriter() {}
+FX_BOOL CBC_DataMatrixWriter::SetErrorCorrectionLevel(int32_t level) {
+  m_iCorrectLevel = level;
+  return TRUE;
+}
+uint8_t* CBC_DataMatrixWriter::Encode(const CFX_WideString& contents,
+                                      int32_t& outWidth,
+                                      int32_t& outHeight,
+                                      int32_t& e) {
+  if (outWidth < 0 || outHeight < 0) {
+    e = BCExceptionHeightAndWidthMustBeAtLeast1;
+    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  }
+  CBC_SymbolShapeHint::SymbolShapeHint shape =
+      CBC_SymbolShapeHint::FORCE_SQUARE;
+  CBC_Dimension* minSize = NULL;
+  CBC_Dimension* maxSize = NULL;
+  CFX_WideString ecLevel;
+  CFX_WideString encoded = CBC_HighLevelEncoder::encodeHighLevel(
+      contents, ecLevel, shape, minSize, maxSize, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  CBC_SymbolInfo* symbolInfo = CBC_SymbolInfo::lookup(
+      encoded.GetLength(), shape, minSize, maxSize, TRUE, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  CFX_WideString codewords =
+      CBC_ErrorCorrection::encodeECC200(encoded, symbolInfo, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  CBC_DefaultPlacement* placement =
+      new CBC_DefaultPlacement(codewords, symbolInfo->getSymbolDataWidth(e),
+                               symbolInfo->getSymbolDataHeight(e));
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  placement->place();
+  CBC_CommonByteMatrix* bytematrix = encodeLowLevel(placement, symbolInfo, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  outWidth = bytematrix->GetWidth();
+  outHeight = bytematrix->GetHeight();
+  uint8_t* result = FX_Alloc2D(uint8_t, outWidth, outHeight);
+  FXSYS_memcpy(result, bytematrix->GetArray(), outWidth * outHeight);
+  delete bytematrix;
+  delete placement;
+  return result;
+}
+CBC_CommonByteMatrix* CBC_DataMatrixWriter::encodeLowLevel(
+    CBC_DefaultPlacement* placement,
+    CBC_SymbolInfo* symbolInfo,
+    int32_t& e) {
+  int32_t symbolWidth = symbolInfo->getSymbolDataWidth(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  int32_t symbolHeight = symbolInfo->getSymbolDataHeight(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  CBC_CommonByteMatrix* matrix = new CBC_CommonByteMatrix(
+      symbolInfo->getSymbolWidth(e), symbolInfo->getSymbolHeight(e));
+  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  matrix->Init();
+  int32_t matrixY = 0;
+  for (int32_t y = 0; y < symbolHeight; y++) {
+    int32_t matrixX;
+    if ((y % symbolInfo->m_matrixHeight) == 0) {
+      matrixX = 0;
+      for (int32_t x = 0; x < symbolInfo->getSymbolWidth(e); x++) {
+        matrix->Set(matrixX, matrixY, (x % 2) == 0);
+        matrixX++;
+      }
+      matrixY++;
+    }
+    matrixX = 0;
+    for (int32_t x = 0; x < symbolWidth; x++) {
+      if ((x % symbolInfo->m_matrixWidth) == 0) {
+        matrix->Set(matrixX, matrixY, TRUE);
+        matrixX++;
+      }
+      matrix->Set(matrixX, matrixY, placement->getBit(x, y));
+      matrixX++;
+      if ((x % symbolInfo->m_matrixWidth) == symbolInfo->m_matrixWidth - 1) {
+        matrix->Set(matrixX, matrixY, (y % 2) == 0);
+        matrixX++;
+      }
+    }
+    matrixY++;
+    if ((y % symbolInfo->m_matrixHeight) == symbolInfo->m_matrixHeight - 1) {
+      matrixX = 0;
+      for (int32_t x = 0; x < symbolInfo->getSymbolWidth(e); x++) {
+        matrix->Set(matrixX, matrixY, TRUE);
+        matrixX++;
+      }
+      matrixY++;
+    }
+  }
+  return matrix;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixWriter.h b/xfa/fxbarcode/datamatrix/BC_DataMatrixWriter.h
new file mode 100644
index 0000000000..7c19a07c19
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixWriter.h
@@ -0,0 +1,33 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXWRITER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXWRITER_H_
+
+#include "xfa/fxbarcode/BC_TwoDimWriter.h"
+
+class CBC_CommonByteMatrix;
+class CBC_DefaultPlacement;
+class CBC_SymbolInfo;
+
+class CBC_DataMatrixWriter : public CBC_TwoDimWriter {
+ public:
+  CBC_DataMatrixWriter();
+  virtual ~CBC_DataMatrixWriter();
+  uint8_t* Encode(const CFX_WideString& contents,
+                  int32_t& outWidth,
+                  int32_t& outHeight,
+                  int32_t& e);
+  FX_BOOL SetErrorCorrectionLevel(int32_t level);
+
+ private:
+  static CBC_CommonByteMatrix* encodeLowLevel(CBC_DefaultPlacement* placement,
+                                              CBC_SymbolInfo* symbolInfo,
+                                              int32_t& e);
+  int32_t m_iCorrectLevel;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DATAMATRIXWRITER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_DefaultPlacement.cpp b/xfa/fxbarcode/datamatrix/BC_DefaultPlacement.cpp
new file mode 100644
index 0000000000..830df224ca
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DefaultPlacement.cpp
@@ -0,0 +1,164 @@
+// 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 2006 Jeremias Maerki.
+ *
+ * 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/datamatrix/BC_DefaultPlacement.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+
+CBC_DefaultPlacement::CBC_DefaultPlacement(CFX_WideString codewords,
+                                           int32_t numcols,
+                                           int32_t numrows) {
+  m_codewords = codewords;
+  m_numcols = numcols;
+  m_numrows = numrows;
+  m_bits.SetSize(numcols * numrows);
+  for (int32_t i = 0; i < numcols * numrows; i++) {
+    m_bits[i] = (uint8_t)2;
+  }
+}
+CBC_DefaultPlacement::~CBC_DefaultPlacement() {
+  m_bits.RemoveAll();
+}
+int32_t CBC_DefaultPlacement::getNumrows() {
+  return m_numrows;
+}
+int32_t CBC_DefaultPlacement::getNumcols() {
+  return m_numcols;
+}
+CFX_ByteArray& CBC_DefaultPlacement::getBits() {
+  return m_bits;
+}
+FX_BOOL CBC_DefaultPlacement::getBit(int32_t col, int32_t row) {
+  return m_bits[row * m_numcols + col] == 1;
+}
+void CBC_DefaultPlacement::setBit(int32_t col, int32_t row, FX_BOOL bit) {
+  m_bits[row * m_numcols + col] = bit ? (uint8_t)1 : (uint8_t)0;
+}
+FX_BOOL CBC_DefaultPlacement::hasBit(int32_t col, int32_t row) {
+  return m_bits[row * m_numcols + col] != 2;
+}
+void CBC_DefaultPlacement::place() {
+  int32_t pos = 0;
+  int32_t row = 4;
+  int32_t col = 0;
+  do {
+    if ((row == m_numrows) && (col == 0)) {
+      corner1(pos++);
+    }
+    if ((row == m_numrows - 2) && (col == 0) && ((m_numcols % 4) != 0)) {
+      corner2(pos++);
+    }
+    if ((row == m_numrows - 2) && (col == 0) && (m_numcols % 8 == 4)) {
+      corner3(pos++);
+    }
+    if ((row == m_numrows + 4) && (col == 2) && ((m_numcols % 8) == 0)) {
+      corner4(pos++);
+    }
+    do {
+      if ((row < m_numrows) && (col >= 0) && !hasBit(col, row)) {
+        utah(row, col, pos++);
+      }
+      row -= 2;
+      col += 2;
+    } while (row >= 0 && (col < m_numcols));
+    row++;
+    col += 3;
+    do {
+      if ((row >= 0) && (col < m_numcols) && !hasBit(col, row)) {
+        utah(row, col, pos++);
+      }
+      row += 2;
+      col -= 2;
+    } while ((row < m_numrows) && (col >= 0));
+    row += 3;
+    col++;
+  } while ((row < m_numrows) || (col < m_numcols));
+  if (!hasBit(m_numcols - 1, m_numrows - 1)) {
+    setBit(m_numcols - 1, m_numrows - 1, TRUE);
+    setBit(m_numcols - 2, m_numrows - 2, TRUE);
+  }
+}
+void CBC_DefaultPlacement::module(int32_t row,
+                                  int32_t col,
+                                  int32_t pos,
+                                  int32_t bit) {
+  if (row < 0) {
+    row += m_numrows;
+    col += 4 - ((m_numrows + 4) % 8);
+  }
+  if (col < 0) {
+    col += m_numcols;
+    row += 4 - ((m_numcols + 4) % 8);
+  }
+  int32_t v = m_codewords.GetAt(pos);
+  v &= 1 << (8 - bit);
+  setBit(col, row, v != 0);
+}
+void CBC_DefaultPlacement::utah(int32_t row, int32_t col, int32_t pos) {
+  module(row - 2, col - 2, pos, 1);
+  module(row - 2, col - 1, pos, 2);
+  module(row - 1, col - 2, pos, 3);
+  module(row - 1, col - 1, pos, 4);
+  module(row - 1, col, pos, 5);
+  module(row, col - 2, pos, 6);
+  module(row, col - 1, pos, 7);
+  module(row, col, pos, 8);
+}
+void CBC_DefaultPlacement::corner1(int32_t pos) {
+  module(m_numrows - 1, 0, pos, 1);
+  module(m_numrows - 1, 1, pos, 2);
+  module(m_numrows - 1, 2, pos, 3);
+  module(0, m_numcols - 2, pos, 4);
+  module(0, m_numcols - 1, pos, 5);
+  module(1, m_numcols - 1, pos, 6);
+  module(2, m_numcols - 1, pos, 7);
+  module(3, m_numcols - 1, pos, 8);
+}
+void CBC_DefaultPlacement::corner2(int32_t pos) {
+  module(m_numrows - 3, 0, pos, 1);
+  module(m_numrows - 2, 0, pos, 2);
+  module(m_numrows - 1, 0, pos, 3);
+  module(0, m_numcols - 4, pos, 4);
+  module(0, m_numcols - 3, pos, 5);
+  module(0, m_numcols - 2, pos, 6);
+  module(0, m_numcols - 1, pos, 7);
+  module(1, m_numcols - 1, pos, 8);
+}
+void CBC_DefaultPlacement::corner3(int32_t pos) {
+  module(m_numrows - 3, 0, pos, 1);
+  module(m_numrows - 2, 0, pos, 2);
+  module(m_numrows - 1, 0, pos, 3);
+  module(0, m_numcols - 2, pos, 4);
+  module(0, m_numcols - 1, pos, 5);
+  module(1, m_numcols - 1, pos, 6);
+  module(2, m_numcols - 1, pos, 7);
+  module(3, m_numcols - 1, pos, 8);
+}
+void CBC_DefaultPlacement::corner4(int32_t pos) {
+  module(m_numrows - 1, 0, pos, 1);
+  module(m_numrows - 1, m_numcols - 1, pos, 2);
+  module(0, m_numcols - 3, pos, 3);
+  module(0, m_numcols - 2, pos, 4);
+  module(0, m_numcols - 1, pos, 5);
+  module(1, m_numcols - 3, pos, 6);
+  module(1, m_numcols - 2, pos, 7);
+  module(1, m_numcols - 1, pos, 8);
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_DefaultPlacement.h b/xfa/fxbarcode/datamatrix/BC_DefaultPlacement.h
new file mode 100644
index 0000000000..49008f3356
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DefaultPlacement.h
@@ -0,0 +1,40 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_DEFAULTPLACEMENT_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_DEFAULTPLACEMENT_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_DefaultPlacement {
+ public:
+  CBC_DefaultPlacement(CFX_WideString codewords,
+                       int32_t numcols,
+                       int32_t numrows);
+  virtual ~CBC_DefaultPlacement();
+
+  int32_t getNumrows();
+  int32_t getNumcols();
+  CFX_ByteArray& getBits();
+  FX_BOOL getBit(int32_t col, int32_t row);
+  void setBit(int32_t col, int32_t row, FX_BOOL bit);
+  FX_BOOL hasBit(int32_t col, int32_t row);
+  void place();
+
+ private:
+  CFX_WideString m_codewords;
+  int32_t m_numrows;
+  int32_t m_numcols;
+  CFX_ByteArray m_bits;
+  void module(int32_t row, int32_t col, int32_t pos, int32_t bit);
+  void utah(int32_t row, int32_t col, int32_t pos);
+  void corner1(int32_t pos);
+  void corner2(int32_t pos);
+  void corner3(int32_t pos);
+  void corner4(int32_t pos);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_DEFAULTPLACEMENT_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.cpp b/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.cpp
new file mode 100644
index 0000000000..d1f5b9796d
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.cpp
@@ -0,0 +1,154 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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/BC_Dimension.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_EdifactEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+CBC_EdifactEncoder::CBC_EdifactEncoder() {}
+CBC_EdifactEncoder::~CBC_EdifactEncoder() {}
+int32_t CBC_EdifactEncoder::getEncodingMode() {
+  return EDIFACT_ENCODATION;
+}
+void CBC_EdifactEncoder::Encode(CBC_EncoderContext& context, int32_t& e) {
+  CFX_WideString buffer;
+  while (context.hasMoreCharacters()) {
+    FX_WCHAR c = context.getCurrentChar();
+    encodeChar(c, buffer, e);
+    if (e != BCExceptionNO) {
+      return;
+    }
+    context.m_pos++;
+    int32_t count = buffer.GetLength();
+    if (count >= 4) {
+      context.writeCodewords(encodeToCodewords(buffer, 0, e));
+      if (e != BCExceptionNO) {
+        return;
+      }
+      buffer.Delete(0, 4);
+      int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
+          context.m_msg, context.m_pos, getEncodingMode());
+      if (newMode != getEncodingMode()) {
+        context.signalEncoderChange(ASCII_ENCODATION);
+        break;
+      }
+    }
+  }
+  buffer += (FX_WCHAR)31;
+  handleEOD(context, buffer, e);
+}
+void CBC_EdifactEncoder::handleEOD(CBC_EncoderContext& context,
+                                   CFX_WideString buffer,
+                                   int32_t& e) {
+  int32_t count = buffer.GetLength();
+  if (count == 0) {
+    return;
+  }
+  if (count == 1) {
+    context.updateSymbolInfo(e);
+    if (e != BCExceptionNO) {
+      return;
+    }
+    int32_t available =
+        context.m_symbolInfo->m_dataCapacity - context.getCodewordCount();
+    int32_t remaining = context.getRemainingCharacters();
+    if (remaining == 0 && available <= 2) {
+      return;
+    }
+  }
+  if (count > 4) {
+    e = BCExceptionIllegalStateCountMustNotExceed4;
+    return;
+  }
+  int32_t restChars = count - 1;
+  CFX_WideString encoded = encodeToCodewords(buffer, 0, e);
+  if (e != BCExceptionNO) {
+    return;
+  }
+  FX_BOOL endOfSymbolReached = !context.hasMoreCharacters();
+  FX_BOOL restInAscii = endOfSymbolReached && restChars <= 2;
+  if (restChars <= 2) {
+    context.updateSymbolInfo(context.getCodewordCount() + restChars, e);
+    if (e != BCExceptionNO) {
+      return;
+    }
+    int32_t available =
+        context.m_symbolInfo->m_dataCapacity - context.getCodewordCount();
+    if (available >= 3) {
+      restInAscii = FALSE;
+      context.updateSymbolInfo(context.getCodewordCount() + encoded.GetLength(),
+                               e);
+      if (e != BCExceptionNO) {
+        return;
+      }
+    }
+  }
+  if (restInAscii) {
+    context.resetSymbolInfo();
+    context.m_pos -= restChars;
+  } else {
+    context.writeCodewords(encoded);
+  }
+  context.signalEncoderChange(ASCII_ENCODATION);
+}
+void CBC_EdifactEncoder::encodeChar(FX_WCHAR c,
+                                    CFX_WideString& sb,
+                                    int32_t& e) {
+  if (c >= ' ' && c <= '?') {
+    sb += c;
+  } else if (c >= '@' && c <= '^') {
+    sb += (FX_WCHAR)(c - 64);
+  } else {
+    CBC_HighLevelEncoder::illegalCharacter(c, e);
+  }
+}
+CFX_WideString CBC_EdifactEncoder::encodeToCodewords(CFX_WideString sb,
+                                                     int32_t startPos,
+                                                     int32_t& e) {
+  int32_t len = sb.GetLength() - startPos;
+  if (len == 0) {
+    e = BCExceptionNoContents;
+    return (FX_WCHAR*)"";
+  }
+  FX_WCHAR c1 = sb.GetAt(startPos);
+  FX_WCHAR c2 = len >= 2 ? sb.GetAt(startPos + 1) : 0;
+  FX_WCHAR c3 = len >= 3 ? sb.GetAt(startPos + 2) : 0;
+  FX_WCHAR c4 = len >= 4 ? sb.GetAt(startPos + 3) : 0;
+  int32_t v = (c1 << 18) + (c2 << 12) + (c3 << 6) + c4;
+  FX_WCHAR cw1 = (FX_WCHAR)((v >> 16) & 255);
+  FX_WCHAR cw2 = (FX_WCHAR)((v >> 8) & 255);
+  FX_WCHAR cw3 = (FX_WCHAR)(v & 255);
+  CFX_WideString res;
+  res += cw1;
+  if (len >= 2) {
+    res += cw2;
+  }
+  if (len >= 3) {
+    res += cw3;
+  }
+  return res;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.h b/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.h
new file mode 100644
index 0000000000..fd37ffb5b4
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.h
@@ -0,0 +1,29 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_EDIFACTENCODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_EDIFACTENCODER_H_
+
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+
+class CBC_EdifactEncoder : public CBC_Encoder {
+ public:
+  CBC_EdifactEncoder();
+  virtual ~CBC_EdifactEncoder();
+  int32_t getEncodingMode();
+  void Encode(CBC_EncoderContext& context, int32_t& e);
+
+ private:
+  static void handleEOD(CBC_EncoderContext& context,
+                        CFX_WideString buffer,
+                        int32_t& e);
+  static void encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e);
+  static CFX_WideString encodeToCodewords(CFX_WideString sb,
+                                          int32_t startPos,
+                                          int32_t& e);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_EDIFACTENCODER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_Encoder.cpp b/xfa/fxbarcode/datamatrix/BC_Encoder.cpp
new file mode 100644
index 0000000000..bf815bdfa7
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_Encoder.cpp
@@ -0,0 +1,10 @@
+// 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
+
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+
+CBC_Encoder::CBC_Encoder() {}
+CBC_Encoder::~CBC_Encoder() {}
diff --git a/xfa/fxbarcode/datamatrix/BC_Encoder.h b/xfa/fxbarcode/datamatrix/BC_Encoder.h
new file mode 100644
index 0000000000..78dc6ac447
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_Encoder.h
@@ -0,0 +1,21 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_ENCODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_ENCODER_H_
+
+#include "xfa/fxbarcode/utils.h"
+
+class CBC_EncoderContext;
+class CBC_Encoder {
+ public:
+  CBC_Encoder();
+  virtual ~CBC_Encoder();
+  virtual int32_t getEncodingMode() = 0;
+  virtual void Encode(CBC_EncoderContext& context, int32_t& e) = 0;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_ENCODER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_EncoderContext.cpp b/xfa/fxbarcode/datamatrix/BC_EncoderContext.cpp
new file mode 100644
index 0000000000..c99dcb7d7a
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_EncoderContext.cpp
@@ -0,0 +1,111 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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/BC_Dimension.h"
+#include "xfa/fxbarcode/BC_UtilCodingConvert.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+CBC_EncoderContext::CBC_EncoderContext(const CFX_WideString msg,
+                                       CFX_WideString ecLevel,
+                                       int32_t& e) {
+  CFX_ByteString dststr;
+  CBC_UtilCodingConvert::UnicodeToUTF8(msg, dststr);
+  CFX_WideString sb;
+  int32_t c = dststr.GetLength();
+  for (int32_t i = 0; i < c; i++) {
+    FX_WCHAR ch = (FX_WCHAR)(dststr.GetAt(i) & 0xff);
+    if (ch == '?' && dststr.GetAt(i) != '?') {
+      e = BCExceptionCharactersOutsideISO88591Encoding;
+    }
+    sb += ch;
+  }
+  m_msg = sb;
+  m_shape = FORCE_NONE;
+  m_newEncoding = -1;
+  m_pos = 0;
+  m_symbolInfo = NULL;
+  m_skipAtEnd = 0;
+  m_maxSize = NULL;
+  m_minSize = NULL;
+}
+CBC_EncoderContext::~CBC_EncoderContext() {}
+void CBC_EncoderContext::setSymbolShape(SymbolShapeHint shape) {
+  m_shape = shape;
+}
+void CBC_EncoderContext::setSizeConstraints(CBC_Dimension* minSize,
+                                            CBC_Dimension* maxSize) {
+  m_maxSize = maxSize;
+  m_minSize = minSize;
+}
+CFX_WideString CBC_EncoderContext::getMessage() {
+  return m_msg;
+}
+void CBC_EncoderContext::setSkipAtEnd(int32_t count) {
+  m_skipAtEnd = count;
+}
+FX_WCHAR CBC_EncoderContext::getCurrentChar() {
+  return m_msg.GetAt(m_pos);
+}
+FX_WCHAR CBC_EncoderContext::getCurrent() {
+  return m_msg.GetAt(m_pos);
+}
+void CBC_EncoderContext::writeCodewords(CFX_WideString codewords) {
+  m_codewords += codewords;
+}
+void CBC_EncoderContext::writeCodeword(FX_WCHAR codeword) {
+  m_codewords += codeword;
+}
+int32_t CBC_EncoderContext::getCodewordCount() {
+  return m_codewords.GetLength();
+}
+void CBC_EncoderContext::signalEncoderChange(int32_t encoding) {
+  m_newEncoding = encoding;
+}
+void CBC_EncoderContext::resetEncoderSignal() {
+  m_newEncoding = -1;
+}
+FX_BOOL CBC_EncoderContext::hasMoreCharacters() {
+  return m_pos < getTotalMessageCharCount();
+}
+int32_t CBC_EncoderContext::getRemainingCharacters() {
+  return getTotalMessageCharCount() - m_pos;
+}
+void CBC_EncoderContext::updateSymbolInfo(int32_t& e) {
+  updateSymbolInfo(getCodewordCount(), e);
+}
+void CBC_EncoderContext::updateSymbolInfo(int32_t len, int32_t& e) {
+  if (m_symbolInfo == NULL || len > m_symbolInfo->m_dataCapacity) {
+    m_symbolInfo =
+        CBC_SymbolInfo::lookup(len, m_shape, m_minSize, m_maxSize, true, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+  }
+}
+void CBC_EncoderContext::resetSymbolInfo() {
+  m_shape = FORCE_NONE;
+}
+int32_t CBC_EncoderContext::getTotalMessageCharCount() {
+  return m_msg.GetLength() - m_skipAtEnd;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_EncoderContext.h b/xfa/fxbarcode/datamatrix/BC_EncoderContext.h
new file mode 100644
index 0000000000..ddc6988dc3
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_EncoderContext.h
@@ -0,0 +1,55 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_
+
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+class CBC_SymbolInfo;
+class CBC_Dimension;
+
+class CBC_EncoderContext : public CBC_SymbolShapeHint {
+ public:
+  CBC_EncoderContext(const CFX_WideString msg,
+                     CFX_WideString ecLevel,
+                     int32_t& e);
+  virtual ~CBC_EncoderContext();
+  void setSymbolShape(SymbolShapeHint shape);
+  void setSizeConstraints(CBC_Dimension* minSize, CBC_Dimension* maxSize);
+  CFX_WideString getMessage();
+  void setSkipAtEnd(int32_t count);
+  FX_WCHAR getCurrentChar();
+  FX_WCHAR getCurrent();
+  void writeCodewords(CFX_WideString codewords);
+  void writeCodeword(FX_WCHAR codeword);
+  int32_t getCodewordCount();
+  void signalEncoderChange(int32_t encoding);
+  void resetEncoderSignal();
+  FX_BOOL hasMoreCharacters();
+  int32_t getRemainingCharacters();
+  void updateSymbolInfo(int32_t& e);
+  void updateSymbolInfo(int32_t len, int32_t& e);
+  void resetSymbolInfo();
+
+ public:
+  CFX_WideString m_msg;
+  CFX_WideString m_codewords;
+  int32_t m_pos;
+  int32_t m_newEncoding;
+  CBC_SymbolInfo* m_symbolInfo;
+
+ private:
+  int32_t getTotalMessageCharCount();
+
+ private:
+  SymbolShapeHint m_shape;
+  CBC_Dimension* m_minSize;
+  CBC_Dimension* m_maxSize;
+  int32_t m_skipAtEnd;
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_ErrorCorrection.cpp b/xfa/fxbarcode/datamatrix/BC_ErrorCorrection.cpp
new file mode 100644
index 0000000000..98c0599e50
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_ErrorCorrection.cpp
@@ -0,0 +1,175 @@
+// 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 2006 Jeremias Maerki.
+ *
+ * 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/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_ErrorCorrection.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+int32_t CBC_ErrorCorrection::FACTOR_SETS[] = {5,  7,  10, 11, 12, 14, 18, 20,
+                                              24, 28, 36, 42, 48, 56, 62, 68};
+int32_t CBC_ErrorCorrection::FACTORS[][100] = {
+    {228, 48, 15, 111, 62},
+    {23, 68, 144, 134, 240, 92, 254},
+    {28, 24, 185, 166, 223, 248, 116, 255, 110, 61},
+    {175, 138, 205, 12, 194, 168, 39, 245, 60, 97, 120},
+    {41, 153, 158, 91, 61, 42, 142, 213, 97, 178, 100, 242},
+    {156, 97, 192, 252, 95, 9, 157, 119, 138, 45, 18, 186, 83, 185},
+    {83, 195, 100, 39, 188, 75, 66, 61, 241, 213, 109, 129, 94, 254, 225, 48,
+     90, 188},
+    {15, 195, 244, 9, 233, 71, 168, 2, 188, 160, 153, 145, 253, 79, 108, 82, 27,
+     174, 186, 172},
+    {52, 190, 88, 205, 109, 39, 176, 21, 155, 197, 251, 223, 155, 21, 5, 172,
+     254, 124, 12, 181, 184, 96, 50, 193},
+    {211, 231, 43, 97, 71, 96, 103, 174, 37, 151, 170, 53, 75, 34, 249, 121, 17,
+     138, 110, 213, 141, 136, 120, 151, 233, 168, 93, 255},
+    {245, 127, 242, 218, 130, 250, 162, 181, 102, 120, 84, 179, 220, 251, 80,
+     182, 229, 18, 2, 4, 68, 33, 101, 137, 95, 119, 115, 44, 175, 184, 59, 25,
+     225, 98, 81, 112},
+    {77, 193, 137, 31, 19, 38, 22, 153, 247, 105, 122, 2, 245, 133, 242, 8, 175,
+     95, 100, 9, 167, 105, 214, 111, 57, 121, 21, 1, 253, 57, 54, 101, 248, 202,
+     69, 50, 150, 177, 226, 5, 9, 5},
+    {245, 132, 172, 223, 96, 32, 117, 22, 238, 133, 238, 231, 205, 188, 237, 87,
+     191, 106, 16, 147, 118, 23, 37, 90, 170, 205, 131, 88, 120, 100, 66, 138,
+     186, 240, 82, 44, 176, 87, 187, 147, 160, 175, 69, 213, 92, 253, 225, 19},
+    {175, 9, 223, 238, 12, 17, 220, 208, 100, 29, 175, 170, 230, 192, 215, 235,
+     150, 159, 36, 223, 38, 200, 132, 54, 228, 146, 218, 234, 117, 203, 29, 232,
+     144, 238, 22, 150, 201, 117, 62, 207, 164, 13, 137, 245, 127, 67, 247, 28,
+     155, 43, 203, 107, 233, 53, 143, 46},
+    {242, 93, 169, 50, 144, 210, 39, 118, 202, 188, 201, 189, 143, 108, 196, 37,
+     185, 112, 134, 230, 245, 63, 197, 190, 250, 106, 185, 221, 175, 64, 114,
+     71, 161, 44, 147, 6, 27, 218, 51, 63, 87, 10, 40, 130, 188, 17, 163, 31,
+     176, 170, 4, 107, 232, 7, 94, 166, 224, 124, 86, 47, 11, 204},
+    {220, 228, 173, 89, 251, 149, 159, 56, 89, 33, 147, 244, 154, 36, 73, 127,
+     213, 136, 248, 180, 234, 197, 158, 177, 68, 122, 93, 213, 15, 160, 227,
+     236, 66, 139, 153, 185, 202, 167, 179, 25, 220, 232, 96, 210, 231, 136,
+     223, 239, 181, 241, 59, 52, 172, 25, 49, 232, 211, 189, 64, 54, 108, 153,
+     132, 63, 96, 103, 82, 186}};
+int32_t CBC_ErrorCorrection::MODULO_VALUE = 0x12D;
+int32_t CBC_ErrorCorrection::LOG[256] = {0};
+int32_t CBC_ErrorCorrection::ALOG[256] = {0};
+void CBC_ErrorCorrection::Initialize() {
+  int32_t p = 1;
+  for (int32_t i = 0; i < 255; i++) {
+    ALOG[i] = p;
+    LOG[p] = i;
+    p <<= 1;
+    if (p >= 256) {
+      p ^= MODULO_VALUE;
+    }
+  }
+}
+void CBC_ErrorCorrection::Finalize() {}
+CBC_ErrorCorrection::CBC_ErrorCorrection() {}
+CBC_ErrorCorrection::~CBC_ErrorCorrection() {}
+CFX_WideString CBC_ErrorCorrection::encodeECC200(CFX_WideString codewords,
+                                                 CBC_SymbolInfo* symbolInfo,
+                                                 int32_t& e) {
+  if (codewords.GetLength() != symbolInfo->m_dataCapacity) {
+    e = BCExceptionIllegalArgument;
+    return (FX_WCHAR*)"";
+  }
+  CFX_WideString sb;
+  sb += codewords;
+  int32_t blockCount = symbolInfo->getInterleavedBlockCount();
+  if (blockCount == 1) {
+    CFX_WideString ecc =
+        createECCBlock(codewords, symbolInfo->m_errorCodewords, e);
+    BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
+    sb += ecc;
+  } else {
+    CFX_Int32Array dataSizes;
+    dataSizes.SetSize(blockCount);
+    CFX_Int32Array errorSizes;
+    errorSizes.SetSize(blockCount);
+    CFX_Int32Array startPos;
+    startPos.SetSize(blockCount);
+    for (int32_t i = 0; i < blockCount; i++) {
+      dataSizes[i] = symbolInfo->getDataLengthForInterleavedBlock(i + 1);
+      errorSizes[i] = symbolInfo->getErrorLengthForInterleavedBlock(i + 1);
+      startPos[i] = 0;
+      if (i > 0) {
+        startPos[i] = startPos[i - 1] + dataSizes[i];
+      }
+    }
+    for (int32_t block = 0; block < blockCount; block++) {
+      CFX_WideString temp;
+      for (int32_t d = block; d < symbolInfo->m_dataCapacity; d += blockCount) {
+        temp += (FX_WCHAR)codewords.GetAt(d);
+      }
+      CFX_WideString ecc = createECCBlock(temp, errorSizes[block], e);
+      BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
+      int32_t pos = 0;
+      for (int32_t l = block; l < errorSizes[block] * blockCount;
+           l += blockCount) {
+        sb.SetAt(symbolInfo->m_dataCapacity + l, ecc.GetAt(pos++));
+      }
+    }
+  }
+  return sb;
+}
+CFX_WideString CBC_ErrorCorrection::createECCBlock(CFX_WideString codewords,
+                                                   int32_t numECWords,
+                                                   int32_t& e) {
+  return createECCBlock(codewords, 0, codewords.GetLength(), numECWords, e);
+}
+CFX_WideString CBC_ErrorCorrection::createECCBlock(CFX_WideString codewords,
+                                                   int32_t start,
+                                                   int32_t len,
+                                                   int32_t numECWords,
+                                                   int32_t& e) {
+  int32_t table = -1;
+  for (int32_t i = 0; i < sizeof(FACTOR_SETS) / sizeof(int32_t); i++) {
+    if (FACTOR_SETS[i] == numECWords) {
+      table = i;
+      break;
+    }
+  }
+  if (table < 0) {
+    e = BCExceptionIllegalArgument;
+    return (FX_WCHAR*)"";
+  }
+  FX_WORD* ecc = FX_Alloc(FX_WORD, numECWords);
+  FXSYS_memset(ecc, 0, numECWords * sizeof(FX_WORD));
+  for (int32_t l = start; l < start + len; l++) {
+    FX_WORD m = ecc[numECWords - 1] ^ codewords.GetAt(l);
+    for (int32_t k = numECWords - 1; k > 0; k--) {
+      if (m != 0 && FACTORS[table][k] != 0) {
+        ecc[k] = (FX_WORD)(ecc[k - 1] ^
+                           ALOG[(LOG[m] + LOG[FACTORS[table][k]]) % 255]);
+      } else {
+        ecc[k] = ecc[k - 1];
+      }
+    }
+    if (m != 0 && FACTORS[table][0] != 0) {
+      ecc[0] = (FX_WORD)ALOG[(LOG[m] + LOG[FACTORS[table][0]]) % 255];
+    } else {
+      ecc[0] = 0;
+    }
+  }
+  CFX_WideString strecc;
+  for (int32_t j = 0; j < numECWords; j++) {
+    strecc += (FX_WCHAR)ecc[numECWords - j - 1];
+  }
+  FX_Free(ecc);
+  return strecc;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_ErrorCorrection.h b/xfa/fxbarcode/datamatrix/BC_ErrorCorrection.h
new file mode 100644
index 0000000000..a4264b6306
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_ErrorCorrection.h
@@ -0,0 +1,39 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_
+
+class CBC_SymbolInfo;
+class CBC_ErrorCorrection {
+ public:
+  CBC_ErrorCorrection();
+  virtual ~CBC_ErrorCorrection();
+  static void Initialize();
+  static void Finalize();
+  static CFX_WideString encodeECC200(CFX_WideString codewords,
+                                     CBC_SymbolInfo* symbolInfo,
+                                     int32_t& e);
+
+ private:
+  static int32_t FACTOR_SETS[];
+  static int32_t FACTORS[][100];
+  static int32_t MODULO_VALUE;
+  static int32_t LOG[256];
+  static int32_t ALOG[256];
+
+ private:
+  static CFX_WideString createECCBlock(CFX_WideString codewords,
+                                       int32_t numECWords,
+                                       int32_t& e);
+  static CFX_WideString createECCBlock(CFX_WideString codewords,
+                                       int32_t start,
+                                       int32_t len,
+                                       int32_t numECWords,
+                                       int32_t& e);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp b/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp
new file mode 100644
index 0000000000..d8e7bb1dc5
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp
@@ -0,0 +1,375 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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 <limits>
+
+#include "xfa/fxbarcode/BC_Dimension.h"
+#include "xfa/fxbarcode/BC_UtilCodingConvert.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Base256Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_C40Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EdifactEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+#include "xfa/fxbarcode/datamatrix/BC_TextEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_X12Encoder.h"
+#include "xfa/fxbarcode/utils.h"
+
+FX_WCHAR CBC_HighLevelEncoder::LATCH_TO_C40 = 230;
+FX_WCHAR CBC_HighLevelEncoder::LATCH_TO_BASE256 = 231;
+FX_WCHAR CBC_HighLevelEncoder::UPPER_SHIFT = 235;
+FX_WCHAR CBC_HighLevelEncoder::LATCH_TO_ANSIX12 = 238;
+FX_WCHAR CBC_HighLevelEncoder::LATCH_TO_TEXT = 239;
+FX_WCHAR CBC_HighLevelEncoder::LATCH_TO_EDIFACT = 240;
+FX_WCHAR CBC_HighLevelEncoder::C40_UNLATCH = 254;
+FX_WCHAR CBC_HighLevelEncoder::X12_UNLATCH = 254;
+FX_WCHAR CBC_HighLevelEncoder::PAD = 129;
+FX_WCHAR CBC_HighLevelEncoder::MACRO_05 = 236;
+FX_WCHAR CBC_HighLevelEncoder::MACRO_06 = 237;
+const wchar_t* CBC_HighLevelEncoder::MACRO_05_HEADER = L"[)>05";
+const wchar_t* CBC_HighLevelEncoder::MACRO_06_HEADER = L"[)>06";
+const wchar_t CBC_HighLevelEncoder::MACRO_TRAILER = 0x0004;
+
+CBC_HighLevelEncoder::CBC_HighLevelEncoder() {}
+CBC_HighLevelEncoder::~CBC_HighLevelEncoder() {}
+CFX_ByteArray& CBC_HighLevelEncoder::getBytesForMessage(CFX_WideString msg) {
+  CFX_ByteString bytestr;
+  CBC_UtilCodingConvert::UnicodeToUTF8(msg, bytestr);
+  for (int32_t i = 0; i < bytestr.GetLength(); i++) {
+    m_bytearray.Add(bytestr.GetAt(i));
+  }
+  return m_bytearray;
+}
+CFX_WideString CBC_HighLevelEncoder::encodeHighLevel(CFX_WideString msg,
+                                                     CFX_WideString ecLevel,
+                                                     int32_t& e) {
+  return encodeHighLevel(msg, ecLevel, FORCE_NONE, NULL, NULL, e);
+}
+CFX_WideString CBC_HighLevelEncoder::encodeHighLevel(CFX_WideString msg,
+                                                     CFX_WideString ecLevel,
+                                                     SymbolShapeHint shape,
+                                                     CBC_Dimension* minSize,
+                                                     CBC_Dimension* maxSize,
+                                                     int32_t& e) {
+  CBC_EncoderContext context(msg, ecLevel, e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
+  context.setSymbolShape(shape);
+  context.setSizeConstraints(minSize, maxSize);
+  if ((msg.Mid(0, 6) == MACRO_05_HEADER) &&
+      (msg.Mid(msg.GetLength() - 1, 1) == MACRO_TRAILER)) {
+    context.writeCodeword(MACRO_05);
+    context.setSkipAtEnd(2);
+    context.m_pos += 6;
+  } else if ((msg.Mid(0, 6) == MACRO_06_HEADER) &&
+             (msg.Mid(msg.GetLength() - 1, 1) == MACRO_TRAILER)) {
+    context.writeCodeword(MACRO_06);
+    context.setSkipAtEnd(2);
+    context.m_pos += 6;
+  }
+  CFX_PtrArray encoders;
+  encoders.Add(new CBC_ASCIIEncoder());
+  encoders.Add(new CBC_C40Encoder());
+  encoders.Add(new CBC_TextEncoder());
+  encoders.Add(new CBC_X12Encoder());
+  encoders.Add(new CBC_EdifactEncoder());
+  encoders.Add(new CBC_Base256Encoder());
+  int32_t encodingMode = ASCII_ENCODATION;
+  while (context.hasMoreCharacters()) {
+    ((CBC_Encoder*)encoders.GetAt(encodingMode))->Encode(context, e);
+    if (e != BCExceptionNO) {
+      for (int32_t i = 0; i < encoders.GetSize(); i++) {
+        delete (CBC_Encoder*)encoders.GetAt(i);
+      }
+      encoders.RemoveAll();
+      return (FX_WCHAR*)"";
+    }
+    if (context.m_newEncoding >= 0) {
+      encodingMode = context.m_newEncoding;
+      context.resetEncoderSignal();
+    }
+  }
+  int32_t len = context.m_codewords.GetLength();
+  context.updateSymbolInfo(e);
+  if (e != BCExceptionNO) {
+    for (int32_t i = 0; i < encoders.GetSize(); i++) {
+      delete (CBC_Encoder*)encoders.GetAt(i);
+    }
+    encoders.RemoveAll();
+    return (FX_WCHAR*)"";
+  }
+  int32_t capacity = context.m_symbolInfo->m_dataCapacity;
+  if (len < capacity) {
+    if (encodingMode != ASCII_ENCODATION &&
+        encodingMode != BASE256_ENCODATION) {
+      context.writeCodeword(0x00fe);
+    }
+  }
+  CFX_WideString codewords = context.m_codewords;
+  if (codewords.GetLength() < capacity) {
+    codewords += PAD;
+  }
+  while (codewords.GetLength() < capacity) {
+    codewords += (randomize253State(PAD, codewords.GetLength() + 1));
+  }
+  for (int32_t i = 0; i < encoders.GetSize(); i++) {
+    delete (CBC_Encoder*)encoders.GetAt(i);
+  }
+  encoders.RemoveAll();
+  return codewords;
+}
+int32_t CBC_HighLevelEncoder::lookAheadTest(CFX_WideString msg,
+                                            int32_t startpos,
+                                            int32_t currentMode) {
+  if (startpos >= msg.GetLength()) {
+    return currentMode;
+  }
+  CFX_FloatArray charCounts;
+  if (currentMode == ASCII_ENCODATION) {
+    charCounts.Add(0);
+    charCounts.Add(1);
+    charCounts.Add(1);
+    charCounts.Add(1);
+    charCounts.Add(1);
+    charCounts.Add(1.25f);
+  } else {
+    charCounts.Add(1);
+    charCounts.Add(2);
+    charCounts.Add(2);
+    charCounts.Add(2);
+    charCounts.Add(2);
+    charCounts.Add(2.25f);
+    charCounts[currentMode] = 0;
+  }
+  int32_t charsProcessed = 0;
+  while (TRUE) {
+    if ((startpos + charsProcessed) == msg.GetLength()) {
+      FX_DWORD min = std::numeric_limits<int32_t>::max();
+      CFX_ByteArray mins;
+      mins.SetSize(6);
+      CFX_Int32Array intCharCounts;
+      intCharCounts.SetSize(6);
+      min = findMinimums(charCounts, intCharCounts, min, mins);
+      int32_t minCount = getMinimumCount(mins);
+      if (intCharCounts[ASCII_ENCODATION] == min) {
+        return ASCII_ENCODATION;
+      }
+      if (minCount == 1 && mins[BASE256_ENCODATION] > 0) {
+        return BASE256_ENCODATION;
+      }
+      if (minCount == 1 && mins[EDIFACT_ENCODATION] > 0) {
+        return EDIFACT_ENCODATION;
+      }
+      if (minCount == 1 && mins[TEXT_ENCODATION] > 0) {
+        return TEXT_ENCODATION;
+      }
+      if (minCount == 1 && mins[X12_ENCODATION] > 0) {
+        return X12_ENCODATION;
+      }
+      return C40_ENCODATION;
+    }
+    FX_WCHAR c = msg.GetAt(startpos + charsProcessed);
+    charsProcessed++;
+    if (isDigit(c)) {
+      charCounts[ASCII_ENCODATION] += 0.5;
+    } else if (isExtendedASCII(c)) {
+      charCounts[ASCII_ENCODATION] =
+          (FX_FLOAT)ceil(charCounts[ASCII_ENCODATION]);
+      charCounts[ASCII_ENCODATION] += 2;
+    } else {
+      charCounts[ASCII_ENCODATION] =
+          (FX_FLOAT)ceil(charCounts[ASCII_ENCODATION]);
+      charCounts[ASCII_ENCODATION]++;
+    }
+    if (isNativeC40(c)) {
+      charCounts[C40_ENCODATION] += 2.0f / 3.0f;
+    } else if (isExtendedASCII(c)) {
+      charCounts[C40_ENCODATION] += 8.0f / 3.0f;
+    } else {
+      charCounts[C40_ENCODATION] += 4.0f / 3.0f;
+    }
+    if (isNativeText(c)) {
+      charCounts[TEXT_ENCODATION] += 2.0f / 3.0f;
+    } else if (isExtendedASCII(c)) {
+      charCounts[TEXT_ENCODATION] += 8.0f / 3.0f;
+    } else {
+      charCounts[TEXT_ENCODATION] += 4.0f / 3.0f;
+    }
+    if (isNativeX12(c)) {
+      charCounts[X12_ENCODATION] += 2.0f / 3.0f;
+    } else if (isExtendedASCII(c)) {
+      charCounts[X12_ENCODATION] += 13.0f / 3.0f;
+    } else {
+      charCounts[X12_ENCODATION] += 10.0f / 3.0f;
+    }
+    if (isNativeEDIFACT(c)) {
+      charCounts[EDIFACT_ENCODATION] += 3.0f / 4.0f;
+    } else if (isExtendedASCII(c)) {
+      charCounts[EDIFACT_ENCODATION] += 17.0f / 4.0f;
+    } else {
+      charCounts[EDIFACT_ENCODATION] += 13.0f / 4.0f;
+    }
+    if (isSpecialB256(c)) {
+      charCounts[BASE256_ENCODATION] += 4;
+    } else {
+      charCounts[BASE256_ENCODATION]++;
+    }
+    if (charsProcessed >= 4) {
+      CFX_Int32Array intCharCounts;
+      intCharCounts.SetSize(6);
+      CFX_ByteArray mins;
+      mins.SetSize(6);
+      findMinimums(charCounts, intCharCounts,
+                   std::numeric_limits<int32_t>::max(), mins);
+      int32_t minCount = getMinimumCount(mins);
+      if (intCharCounts[ASCII_ENCODATION] < intCharCounts[BASE256_ENCODATION] &&
+          intCharCounts[ASCII_ENCODATION] < intCharCounts[C40_ENCODATION] &&
+          intCharCounts[ASCII_ENCODATION] < intCharCounts[TEXT_ENCODATION] &&
+          intCharCounts[ASCII_ENCODATION] < intCharCounts[X12_ENCODATION] &&
+          intCharCounts[ASCII_ENCODATION] < intCharCounts[EDIFACT_ENCODATION]) {
+        return ASCII_ENCODATION;
+      }
+      if (intCharCounts[BASE256_ENCODATION] < intCharCounts[ASCII_ENCODATION] ||
+          (mins[C40_ENCODATION] + mins[TEXT_ENCODATION] + mins[X12_ENCODATION] +
+           mins[EDIFACT_ENCODATION]) == 0) {
+        return BASE256_ENCODATION;
+      }
+      if (minCount == 1 && mins[EDIFACT_ENCODATION] > 0) {
+        return EDIFACT_ENCODATION;
+      }
+      if (minCount == 1 && mins[TEXT_ENCODATION] > 0) {
+        return TEXT_ENCODATION;
+      }
+      if (minCount == 1 && mins[X12_ENCODATION] > 0) {
+        return X12_ENCODATION;
+      }
+      if (intCharCounts[C40_ENCODATION] + 1 < intCharCounts[ASCII_ENCODATION] &&
+          intCharCounts[C40_ENCODATION] + 1 <
+              intCharCounts[BASE256_ENCODATION] &&
+          intCharCounts[C40_ENCODATION] + 1 <
+              intCharCounts[EDIFACT_ENCODATION] &&
+          intCharCounts[C40_ENCODATION] + 1 < intCharCounts[TEXT_ENCODATION]) {
+        if (intCharCounts[C40_ENCODATION] < intCharCounts[X12_ENCODATION]) {
+          return C40_ENCODATION;
+        }
+        if (intCharCounts[C40_ENCODATION] == intCharCounts[X12_ENCODATION]) {
+          int32_t p = startpos + charsProcessed + 1;
+          while (p < msg.GetLength()) {
+            FX_WCHAR tc = msg.GetAt(p);
+            if (isX12TermSep(tc)) {
+              return X12_ENCODATION;
+            }
+            if (!isNativeX12(tc)) {
+              break;
+            }
+            p++;
+          }
+          return C40_ENCODATION;
+        }
+      }
+    }
+  }
+}
+FX_BOOL CBC_HighLevelEncoder::isDigit(FX_WCHAR ch) {
+  return ch >= '0' && ch <= '9';
+}
+FX_BOOL CBC_HighLevelEncoder::isExtendedASCII(FX_WCHAR ch) {
+  return ch >= 128 && ch <= 255;
+}
+int32_t CBC_HighLevelEncoder::determineConsecutiveDigitCount(CFX_WideString msg,
+                                                             int32_t startpos) {
+  int32_t count = 0;
+  int32_t len = msg.GetLength();
+  int32_t idx = startpos;
+  if (idx < len) {
+    FX_WCHAR ch = msg.GetAt(idx);
+    while (isDigit(ch) && idx < len) {
+      count++;
+      idx++;
+      if (idx < len) {
+        ch = msg.GetAt(idx);
+      }
+    }
+  }
+  return count;
+}
+void CBC_HighLevelEncoder::illegalCharacter(FX_WCHAR c, int32_t& e) {
+  e = BCExceptionIllegalArgument;
+}
+FX_WCHAR CBC_HighLevelEncoder::randomize253State(FX_WCHAR ch,
+                                                 int32_t codewordPosition) {
+  int32_t pseudoRandom = ((149 * codewordPosition) % 253) + 1;
+  int32_t tempVariable = ch + pseudoRandom;
+  return tempVariable <= 254 ? (FX_WCHAR)tempVariable
+                             : (FX_WCHAR)(tempVariable - 254);
+}
+int32_t CBC_HighLevelEncoder::findMinimums(CFX_FloatArray& charCounts,
+                                           CFX_Int32Array& intCharCounts,
+                                           int32_t min,
+                                           CFX_ByteArray& mins) {
+  for (int32_t l = 0; l < mins.GetSize(); l++) {
+    mins[l] = (uint8_t)0;
+  }
+  for (int32_t i = 0; i < 6; i++) {
+    intCharCounts[i] = (int32_t)ceil(charCounts[i]);
+    int32_t current = intCharCounts[i];
+    if (min > current) {
+      min = current;
+      for (int32_t j = 0; j < mins.GetSize(); j++) {
+        mins[j] = (uint8_t)0;
+      }
+    }
+    if (min == current) {
+      mins[i]++;
+    }
+  }
+  return min;
+}
+int32_t CBC_HighLevelEncoder::getMinimumCount(CFX_ByteArray& mins) {
+  int32_t minCount = 0;
+  for (int32_t i = 0; i < 6; i++) {
+    minCount += mins[i];
+  }
+  return minCount;
+}
+FX_BOOL CBC_HighLevelEncoder::isNativeC40(FX_WCHAR ch) {
+  return (ch == ' ') || (ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z');
+}
+FX_BOOL CBC_HighLevelEncoder::isNativeText(FX_WCHAR ch) {
+  return (ch == ' ') || (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z');
+}
+FX_BOOL CBC_HighLevelEncoder::isNativeX12(FX_WCHAR ch) {
+  return isX12TermSep(ch) || (ch == ' ') || (ch >= '0' && ch <= '9') ||
+         (ch >= 'A' && ch <= 'Z');
+}
+FX_BOOL CBC_HighLevelEncoder::isX12TermSep(FX_WCHAR ch) {
+  return (ch == '\r') || (ch == '*') || (ch == '>');
+}
+FX_BOOL CBC_HighLevelEncoder::isNativeEDIFACT(FX_WCHAR ch) {
+  return ch >= ' ' && ch <= '^';
+}
+FX_BOOL CBC_HighLevelEncoder::isSpecialB256(FX_WCHAR ch) {
+  return FALSE;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h b/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h
new file mode 100644
index 0000000000..0aad4d4da5
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h
@@ -0,0 +1,76 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_HIGHLEVELENCODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_HIGHLEVELENCODER_H_
+
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+#define ASCII_ENCODATION 0
+#define C40_ENCODATION 1
+#define TEXT_ENCODATION 2
+#define X12_ENCODATION 3
+#define EDIFACT_ENCODATION 4
+#define BASE256_ENCODATION 5
+
+class CBC_HighLevelEncoder : public CBC_SymbolShapeHint {
+ public:
+  CBC_HighLevelEncoder();
+  virtual ~CBC_HighLevelEncoder();
+  CFX_ByteArray& getBytesForMessage(CFX_WideString msg);
+  static CFX_WideString encodeHighLevel(CFX_WideString msg,
+                                        CFX_WideString ecLevel,
+                                        int32_t& e);
+  static CFX_WideString encodeHighLevel(CFX_WideString msg,
+                                        CFX_WideString ecLevel,
+                                        SymbolShapeHint shape,
+                                        CBC_Dimension* minSize,
+                                        CBC_Dimension* maxSize,
+                                        int32_t& e);
+  static int32_t lookAheadTest(CFX_WideString msg,
+                               int32_t startpos,
+                               int32_t currentMode);
+  static FX_BOOL isDigit(FX_WCHAR ch);
+  static FX_BOOL isExtendedASCII(FX_WCHAR ch);
+  static int32_t determineConsecutiveDigitCount(CFX_WideString msg,
+                                                int32_t startpos);
+  static void illegalCharacter(FX_WCHAR c, int32_t& e);
+
+ public:
+  static FX_WCHAR LATCH_TO_C40;
+  static FX_WCHAR LATCH_TO_BASE256;
+  static FX_WCHAR UPPER_SHIFT;
+  static FX_WCHAR LATCH_TO_ANSIX12;
+  static FX_WCHAR LATCH_TO_TEXT;
+  static FX_WCHAR LATCH_TO_EDIFACT;
+  static FX_WCHAR C40_UNLATCH;
+  static FX_WCHAR X12_UNLATCH;
+
+ private:
+  static FX_WCHAR PAD;
+  static FX_WCHAR MACRO_05;
+  static FX_WCHAR MACRO_06;
+  static const wchar_t* MACRO_05_HEADER;
+  static const wchar_t* MACRO_06_HEADER;
+  static const wchar_t MACRO_TRAILER;
+  CFX_ByteArray m_bytearray;
+
+ private:
+  static FX_WCHAR randomize253State(FX_WCHAR ch, int32_t codewordPosition);
+  static int32_t findMinimums(CFX_FloatArray& charCounts,
+                              CFX_Int32Array& intCharCounts,
+                              int32_t min,
+                              CFX_ByteArray& mins);
+  static int32_t getMinimumCount(CFX_ByteArray& mins);
+  static FX_BOOL isNativeC40(FX_WCHAR ch);
+  static FX_BOOL isNativeText(FX_WCHAR ch);
+  static FX_BOOL isNativeX12(FX_WCHAR ch);
+  static FX_BOOL isX12TermSep(FX_WCHAR ch);
+  static FX_BOOL isNativeEDIFACT(FX_WCHAR ch);
+  static FX_BOOL isSpecialB256(FX_WCHAR ch);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_HIGHLEVELENCODER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_SymbolInfo.cpp b/xfa/fxbarcode/datamatrix/BC_SymbolInfo.cpp
new file mode 100644
index 0000000000..593f4cb162
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_SymbolInfo.cpp
@@ -0,0 +1,255 @@
+// 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 2006 Jeremias Maerki
+ *
+ * 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/BC_Dimension.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+#define SYMBOLS_COUNT 30
+
+CBC_SymbolInfo* CBC_SymbolInfo::m_PROD_SYMBOLS[30] = {
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
+CBC_SymbolInfo* CBC_SymbolInfo::m_symbols[30] = {
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
+void CBC_SymbolInfo::Initialize() {
+  m_PROD_SYMBOLS[0] = new CBC_SymbolInfo(FALSE, 3, 5, 8, 8, 1);
+  m_PROD_SYMBOLS[1] = new CBC_SymbolInfo(FALSE, 5, 7, 10, 10, 1);
+  m_PROD_SYMBOLS[2] = new CBC_SymbolInfo(TRUE, 5, 7, 16, 6, 1);
+  m_PROD_SYMBOLS[3] = new CBC_SymbolInfo(FALSE, 8, 10, 12, 12, 1);
+  m_PROD_SYMBOLS[4] = new CBC_SymbolInfo(TRUE, 10, 11, 14, 6, 2);
+  m_PROD_SYMBOLS[5] = new CBC_SymbolInfo(FALSE, 12, 12, 14, 14, 1);
+  m_PROD_SYMBOLS[6] = new CBC_SymbolInfo(TRUE, 16, 14, 24, 10, 1);
+  m_PROD_SYMBOLS[7] = new CBC_SymbolInfo(FALSE, 18, 14, 16, 16, 1);
+  m_PROD_SYMBOLS[8] = new CBC_SymbolInfo(FALSE, 22, 18, 18, 18, 1);
+  m_PROD_SYMBOLS[9] = new CBC_SymbolInfo(TRUE, 22, 18, 16, 10, 2);
+  m_PROD_SYMBOLS[10] = new CBC_SymbolInfo(FALSE, 30, 20, 20, 20, 1);
+  m_PROD_SYMBOLS[11] = new CBC_SymbolInfo(TRUE, 32, 24, 16, 14, 2);
+  m_PROD_SYMBOLS[12] = new CBC_SymbolInfo(FALSE, 36, 24, 22, 22, 1);
+  m_PROD_SYMBOLS[13] = new CBC_SymbolInfo(FALSE, 44, 28, 24, 24, 1);
+  m_PROD_SYMBOLS[14] = new CBC_SymbolInfo(TRUE, 49, 28, 22, 14, 2);
+  m_PROD_SYMBOLS[15] = new CBC_SymbolInfo(FALSE, 62, 36, 14, 14, 4);
+  m_PROD_SYMBOLS[16] = new CBC_SymbolInfo(FALSE, 86, 42, 16, 16, 4);
+  m_PROD_SYMBOLS[17] = new CBC_SymbolInfo(FALSE, 114, 48, 18, 18, 4);
+  m_PROD_SYMBOLS[18] = new CBC_SymbolInfo(FALSE, 144, 56, 20, 20, 4);
+  m_PROD_SYMBOLS[19] = new CBC_SymbolInfo(FALSE, 174, 68, 22, 22, 4);
+  m_PROD_SYMBOLS[20] = new CBC_SymbolInfo(FALSE, 204, 84, 24, 24, 4, 102, 42);
+  m_PROD_SYMBOLS[21] = new CBC_SymbolInfo(FALSE, 280, 112, 14, 14, 16, 140, 56);
+  m_PROD_SYMBOLS[22] = new CBC_SymbolInfo(FALSE, 368, 144, 16, 16, 16, 92, 36);
+  m_PROD_SYMBOLS[23] = new CBC_SymbolInfo(FALSE, 456, 192, 18, 18, 16, 114, 48);
+  m_PROD_SYMBOLS[24] = new CBC_SymbolInfo(FALSE, 576, 224, 20, 20, 16, 144, 56);
+  m_PROD_SYMBOLS[25] = new CBC_SymbolInfo(FALSE, 696, 272, 22, 22, 16, 174, 68);
+  m_PROD_SYMBOLS[26] = new CBC_SymbolInfo(FALSE, 816, 336, 24, 24, 16, 136, 56);
+  m_PROD_SYMBOLS[27] =
+      new CBC_SymbolInfo(FALSE, 1050, 408, 18, 18, 36, 175, 68);
+  m_PROD_SYMBOLS[28] =
+      new CBC_SymbolInfo(FALSE, 1304, 496, 20, 20, 36, 163, 62);
+  m_PROD_SYMBOLS[29] = new CBC_DataMatrixSymbolInfo144();
+  for (int32_t i = 0; i < SYMBOLS_COUNT; i++) {
+    m_symbols[i] = m_PROD_SYMBOLS[i];
+  }
+}
+void CBC_SymbolInfo::Finalize() {
+  for (int32_t i = 0; i < SYMBOLS_COUNT; i++) {
+    delete m_PROD_SYMBOLS[i];
+    m_PROD_SYMBOLS[i] = NULL;
+    m_symbols[i] = NULL;
+  }
+}
+CBC_SymbolInfo::CBC_SymbolInfo(FX_BOOL rectangular,
+                               int32_t dataCapacity,
+                               int32_t errorCodewords,
+                               int32_t matrixWidth,
+                               int32_t matrixHeight,
+                               int32_t dataRegions) {
+  m_rectangular = rectangular;
+  m_dataCapacity = dataCapacity;
+  m_errorCodewords = errorCodewords;
+  m_matrixWidth = matrixWidth;
+  m_matrixHeight = matrixHeight;
+  m_dataRegions = dataRegions;
+  m_rsBlockData = dataCapacity;
+  m_rsBlockError = errorCodewords;
+}
+CBC_SymbolInfo::CBC_SymbolInfo(FX_BOOL rectangular,
+                               int32_t dataCapacity,
+                               int32_t errorCodewords,
+                               int32_t matrixWidth,
+                               int32_t matrixHeight,
+                               int32_t dataRegions,
+                               int32_t rsBlockData,
+                               int32_t rsBlockError) {
+  m_rectangular = rectangular;
+  m_dataCapacity = dataCapacity;
+  m_errorCodewords = errorCodewords;
+  m_matrixWidth = matrixWidth;
+  m_matrixHeight = matrixHeight;
+  m_dataRegions = dataRegions;
+  m_rsBlockData = rsBlockData;
+  m_rsBlockError = rsBlockError;
+}
+CBC_SymbolInfo::~CBC_SymbolInfo() {}
+
+CBC_SymbolInfo* CBC_SymbolInfo::lookup(int32_t dataCodewords, int32_t& e) {
+  return lookup(dataCodewords, FORCE_NONE, TRUE, e);
+}
+CBC_SymbolInfo* CBC_SymbolInfo::lookup(int32_t dataCodewords,
+                                       SymbolShapeHint shape,
+                                       int32_t& e) {
+  return lookup(dataCodewords, shape, TRUE, e);
+}
+CBC_SymbolInfo* CBC_SymbolInfo::lookup(int32_t dataCodewords,
+                                       FX_BOOL allowRectangular,
+                                       FX_BOOL fail,
+                                       int32_t& e) {
+  SymbolShapeHint shape = allowRectangular ? FORCE_NONE : FORCE_SQUARE;
+  return lookup(dataCodewords, shape, fail, e);
+}
+CBC_SymbolInfo* CBC_SymbolInfo::lookup(int32_t dataCodewords,
+                                       SymbolShapeHint shape,
+                                       FX_BOOL fail,
+                                       int32_t& e) {
+  return lookup(dataCodewords, shape, NULL, NULL, fail, e);
+}
+CBC_SymbolInfo* CBC_SymbolInfo::lookup(int32_t dataCodewords,
+                                       SymbolShapeHint shape,
+                                       CBC_Dimension* minSize,
+                                       CBC_Dimension* maxSize,
+                                       FX_BOOL fail,
+                                       int32_t& e) {
+  for (int32_t i = 0; i < SYMBOLS_COUNT; i++) {
+    CBC_SymbolInfo* symbol = m_symbols[i];
+    if (shape == FORCE_SQUARE && symbol->m_rectangular) {
+      continue;
+    }
+    if (shape == FORCE_RECTANGLE && !symbol->m_rectangular) {
+      continue;
+    }
+    if (minSize && (symbol->getSymbolWidth(e) < minSize->getWidth() ||
+                    symbol->getSymbolHeight(e) < minSize->getHeight())) {
+      BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+      continue;
+    }
+    if (maxSize && (symbol->getSymbolWidth(e) > maxSize->getWidth() ||
+                    symbol->getSymbolHeight(e) > maxSize->getHeight())) {
+      BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+      continue;
+    }
+    if (dataCodewords <= symbol->m_dataCapacity) {
+      return symbol;
+    }
+  }
+  if (fail) {
+    e = BCExceptionIllegalDataCodewords;
+    return NULL;
+  }
+  return NULL;
+}
+int32_t CBC_SymbolInfo::getHorizontalDataRegions(int32_t& e) {
+  switch (m_dataRegions) {
+    case 1:
+      return 1;
+    case 2:
+      return 2;
+    case 4:
+      return 2;
+    case 16:
+      return 4;
+    case 36:
+      return 6;
+    default:
+      e = BCExceptionCannotHandleThisNumberOfDataRegions;
+      return 0;
+  }
+}
+int32_t CBC_SymbolInfo::getVerticalDataRegions(int32_t& e) {
+  switch (m_dataRegions) {
+    case 1:
+      return 1;
+    case 2:
+      return 1;
+    case 4:
+      return 2;
+    case 16:
+      return 4;
+    case 36:
+      return 6;
+    default:
+      e = BCExceptionCannotHandleThisNumberOfDataRegions;
+      return 0;
+  }
+}
+int32_t CBC_SymbolInfo::getSymbolDataWidth(int32_t& e) {
+  return getHorizontalDataRegions(e) * m_matrixWidth;
+}
+int32_t CBC_SymbolInfo::getSymbolDataHeight(int32_t& e) {
+  return getVerticalDataRegions(e) * m_matrixHeight;
+}
+int32_t CBC_SymbolInfo::getSymbolWidth(int32_t& e) {
+  return getSymbolDataWidth(e) + (getHorizontalDataRegions(e) * 2);
+}
+int32_t CBC_SymbolInfo::getSymbolHeight(int32_t& e) {
+  return getSymbolDataHeight(e) + (getVerticalDataRegions(e) * 2);
+}
+int32_t CBC_SymbolInfo::getCodewordCount() {
+  return m_dataCapacity + m_errorCodewords;
+}
+int32_t CBC_SymbolInfo::getInterleavedBlockCount() {
+  return m_dataCapacity / m_rsBlockData;
+}
+int32_t CBC_SymbolInfo::getDataLengthForInterleavedBlock(int32_t index) {
+  return m_rsBlockData;
+}
+int32_t CBC_SymbolInfo::getErrorLengthForInterleavedBlock(int32_t index) {
+  return m_rsBlockError;
+}
+CFX_WideString CBC_SymbolInfo::toString(int32_t& e) {
+  CFX_WideString sb;
+  sb += (FX_WCHAR*)(m_rectangular ? "Rectangular Symbol:" : "Square Symbol:");
+  sb += (FX_WCHAR*)" data region ";
+  sb += m_matrixWidth;
+  sb += (FX_WCHAR)'x';
+  sb += m_matrixHeight;
+  sb += (FX_WCHAR*)", symbol size ";
+  sb += getSymbolWidth(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
+  sb += (FX_WCHAR)'x';
+  sb += getSymbolHeight(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
+  sb += (FX_WCHAR*)", symbol data size ";
+  sb += getSymbolDataWidth(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
+  sb += (FX_WCHAR)'x';
+  sb += getSymbolDataHeight(e);
+  BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
+  sb += (FX_WCHAR*)", codewords ";
+  sb += m_dataCapacity;
+  sb += (FX_WCHAR)'+';
+  sb += m_errorCodewords;
+  return sb;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_SymbolInfo.h b/xfa/fxbarcode/datamatrix/BC_SymbolInfo.h
new file mode 100644
index 0000000000..8f7ed28da9
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_SymbolInfo.h
@@ -0,0 +1,83 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_SYMBOLINFO_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_SYMBOLINFO_H_
+
+#include "core/include/fxcrt/fx_string.h"
+#include "core/include/fxcrt/fx_system.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
+class CBC_Dimension;
+
+class CBC_SymbolInfo : public CBC_SymbolShapeHint {
+ public:
+  CBC_SymbolInfo(FX_BOOL rectangular,
+                 int32_t dataCapacity,
+                 int32_t errorCodewords,
+                 int32_t matrixWidth,
+                 int32_t matrixHeight,
+                 int32_t dataRegions);
+  virtual ~CBC_SymbolInfo();
+  static void Initialize();
+  static void Finalize();
+  static void overrideSymbolSet(CBC_SymbolInfo* override);
+  static CBC_SymbolInfo* lookup(int32_t dataCodewords, int32_t& e);
+  static CBC_SymbolInfo* lookup(int32_t dataCodewords,
+                                SymbolShapeHint shape,
+                                int32_t& e);
+  static CBC_SymbolInfo* lookup(int32_t dataCodewords,
+                                FX_BOOL allowRectangular,
+                                FX_BOOL fail,
+                                int32_t& e);
+  static CBC_SymbolInfo* lookup(int32_t dataCodewords,
+                                SymbolShapeHint shape,
+                                FX_BOOL fail,
+                                int32_t& e);
+  static CBC_SymbolInfo* lookup(int32_t dataCodewords,
+                                SymbolShapeHint shape,
+                                CBC_Dimension* minSize,
+                                CBC_Dimension* maxSize,
+                                FX_BOOL fail,
+                                int32_t& e);
+  int32_t getHorizontalDataRegions(int32_t& e);
+  int32_t getVerticalDataRegions(int32_t& e);
+  int32_t getSymbolDataWidth(int32_t& e);
+  int32_t getSymbolDataHeight(int32_t& e);
+  int32_t getSymbolWidth(int32_t& e);
+  int32_t getSymbolHeight(int32_t& e);
+  int32_t getCodewordCount();
+  int32_t getInterleavedBlockCount();
+  int32_t getDataLengthForInterleavedBlock(int32_t index);
+  int32_t getErrorLengthForInterleavedBlock(int32_t index);
+  CFX_WideString toString(int32_t& e);
+
+ public:
+  int32_t m_dataCapacity;
+  int32_t m_errorCodewords;
+  int32_t m_matrixWidth;
+  int32_t m_matrixHeight;
+  int32_t m_rsBlockData;
+  int32_t m_rsBlockError;
+  static CBC_SymbolInfo* m_PROD_SYMBOLS[30];
+
+ private:
+  static CBC_SymbolInfo* m_symbols[30];
+  FX_BOOL m_rectangular;
+  int32_t m_dataRegions;
+
+ private:
+  CBC_SymbolInfo(FX_BOOL rectangular,
+                 int32_t dataCapacity,
+                 int32_t errorCodewords,
+                 int32_t matrixWidth,
+                 int32_t matrixHeight,
+                 int32_t dataRegions,
+                 int32_t rsBlockData,
+                 int32_t rsBlockError);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_SYMBOLINFO_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.cpp b/xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.cpp
new file mode 100644
index 0000000000..8f91dd837a
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.cpp
@@ -0,0 +1,26 @@
+// 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 Jeremias Maerki.
+ *
+ * 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/datamatrix/BC_SymbolShapeHint.h"
+
+CBC_SymbolShapeHint::CBC_SymbolShapeHint() {}
+CBC_SymbolShapeHint::~CBC_SymbolShapeHint() {}
diff --git a/xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h b/xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h
new file mode 100644
index 0000000000..5dfac0516f
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h
@@ -0,0 +1,21 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_SYMBOLSHAPEHINT_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_SYMBOLSHAPEHINT_H_
+
+class CBC_SymbolShapeHint {
+ public:
+  CBC_SymbolShapeHint();
+  virtual ~CBC_SymbolShapeHint();
+  enum SymbolShapeHint {
+    FORCE_NONE,
+    FORCE_SQUARE,
+    FORCE_RECTANGLE,
+  };
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_SYMBOLSHAPEHINT_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_TextEncoder.cpp b/xfa/fxbarcode/datamatrix/BC_TextEncoder.cpp
new file mode 100644
index 0000000000..c8b37e9c85
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_TextEncoder.cpp
@@ -0,0 +1,98 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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/BC_Dimension.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_C40Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+#include "xfa/fxbarcode/datamatrix/BC_TextEncoder.h"
+
+CBC_TextEncoder::CBC_TextEncoder() {}
+CBC_TextEncoder::~CBC_TextEncoder() {}
+int32_t CBC_TextEncoder::getEncodingMode() {
+  return TEXT_ENCODATION;
+}
+int32_t CBC_TextEncoder::encodeChar(FX_WCHAR c,
+                                    CFX_WideString& sb,
+                                    int32_t& e) {
+  if (c == ' ') {
+    sb += (FX_WCHAR)'\3';
+    return 1;
+  }
+  if (c >= '0' && c <= '9') {
+    sb += (FX_WCHAR)(c - 48 + 4);
+    return 1;
+  }
+  if (c >= 'a' && c <= 'z') {
+    sb += (FX_WCHAR)(c - 97 + 14);
+    return 1;
+  }
+  if (c <= 0x1f) {
+    sb += (FX_WCHAR)'\0';
+    sb += c;
+    return 2;
+  }
+  if (c >= '!' && c <= '/') {
+    sb += (FX_WCHAR)'\1';
+    sb += (FX_WCHAR)(c - 33);
+    return 2;
+  }
+  if (c >= ':' && c <= '@') {
+    sb += (FX_WCHAR)'\1';
+    sb += (FX_WCHAR)(c - 58 + 15);
+    return 2;
+  }
+  if (c >= '[' && c <= '_') {
+    sb += (FX_WCHAR)'\1';
+    sb += (FX_WCHAR)(c - 91 + 22);
+    return 2;
+  }
+  if (c == 0x0060) {
+    sb += (FX_WCHAR)'\2';
+    sb += (FX_WCHAR)(c - 96);
+    return 2;
+  }
+  if (c >= 'A' && c <= 'Z') {
+    sb += (FX_WCHAR)'\2';
+    sb += (FX_WCHAR)(c - 65 + 1);
+    return 2;
+  }
+  if (c >= '{' && c <= 0x007f) {
+    sb += (FX_WCHAR)'\2';
+    sb += (FX_WCHAR)(c - 123 + 27);
+    return 2;
+  }
+  if (c >= 0x0080) {
+    sb += (FX_WCHAR)'\1';
+    sb += (FX_WCHAR)0x001e;
+    int32_t len = 2;
+    len += encodeChar((FX_WCHAR)(c - 128), sb, e);
+    BC_EXCEPTION_CHECK_ReturnValue(e, -1);
+    return len;
+  }
+  CBC_HighLevelEncoder::illegalCharacter(c, e);
+  return -1;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_TextEncoder.h b/xfa/fxbarcode/datamatrix/BC_TextEncoder.h
new file mode 100644
index 0000000000..1f97f3f8c6
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_TextEncoder.h
@@ -0,0 +1,19 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_TEXTENCODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_TEXTENCODER_H_
+
+class CBC_TextEncoder;
+class CBC_TextEncoder : public CBC_C40Encoder {
+ public:
+  CBC_TextEncoder();
+  virtual ~CBC_TextEncoder();
+  int32_t getEncodingMode();
+  int32_t encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_TEXTENCODER_H_
diff --git a/xfa/fxbarcode/datamatrix/BC_X12Encoder.cpp b/xfa/fxbarcode/datamatrix/BC_X12Encoder.cpp
new file mode 100644
index 0000000000..9ebfc46700
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_X12Encoder.cpp
@@ -0,0 +1,100 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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/BC_Dimension.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/datamatrix/BC_C40Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+#include "xfa/fxbarcode/datamatrix/BC_X12Encoder.h"
+
+CBC_X12Encoder::CBC_X12Encoder() {}
+CBC_X12Encoder::~CBC_X12Encoder() {}
+int32_t CBC_X12Encoder::getEncodingMode() {
+  return X12_ENCODATION;
+}
+void CBC_X12Encoder::Encode(CBC_EncoderContext& context, int32_t& e) {
+  CFX_WideString buffer;
+  while (context.hasMoreCharacters()) {
+    FX_WCHAR c = context.getCurrentChar();
+    context.m_pos++;
+    encodeChar(c, buffer, e);
+    if (e != BCExceptionNO) {
+      return;
+    }
+    int32_t count = buffer.GetLength();
+    if ((count % 3) == 0) {
+      writeNextTriplet(context, buffer);
+      int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
+          context.m_msg, context.m_pos, getEncodingMode());
+      if (newMode != getEncodingMode()) {
+        context.signalEncoderChange(newMode);
+        break;
+      }
+    }
+  }
+  handleEOD(context, buffer, e);
+}
+void CBC_X12Encoder::handleEOD(CBC_EncoderContext& context,
+                               CFX_WideString& buffer,
+                               int32_t& e) {
+  context.updateSymbolInfo(e);
+  if (e != BCExceptionNO) {
+    return;
+  }
+  int32_t available =
+      context.m_symbolInfo->m_dataCapacity - context.getCodewordCount();
+  int32_t count = buffer.GetLength();
+  if (count == 2) {
+    context.writeCodeword(CBC_HighLevelEncoder::X12_UNLATCH);
+    context.m_pos -= 2;
+    context.signalEncoderChange(ASCII_ENCODATION);
+  } else if (count == 1) {
+    context.m_pos--;
+    if (available > 1) {
+      context.writeCodeword(CBC_HighLevelEncoder::X12_UNLATCH);
+    }
+    context.signalEncoderChange(ASCII_ENCODATION);
+  }
+}
+int32_t CBC_X12Encoder::encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e) {
+  if (c == '\r') {
+    sb += (FX_WCHAR)'\0';
+  } else if (c == '*') {
+    sb += (FX_WCHAR)'\1';
+  } else if (c == '>') {
+    sb += (FX_WCHAR)'\2';
+  } else if (c == ' ') {
+    sb += (FX_WCHAR)'\3';
+  } else if (c >= '0' && c <= '9') {
+    sb += (FX_WCHAR)(c - 48 + 4);
+  } else if (c >= 'A' && c <= 'Z') {
+    sb += (FX_WCHAR)(c - 65 + 14);
+  } else {
+    CBC_HighLevelEncoder::illegalCharacter(c, e);
+    BC_EXCEPTION_CHECK_ReturnValue(e, -1);
+  }
+  return 1;
+}
diff --git a/xfa/fxbarcode/datamatrix/BC_X12Encoder.h b/xfa/fxbarcode/datamatrix/BC_X12Encoder.h
new file mode 100644
index 0000000000..5dccbb1d6f
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_X12Encoder.h
@@ -0,0 +1,24 @@
+// 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
+
+#ifndef XFA_FXBARCODE_DATAMATRIX_BC_X12ENCODER_H_
+#define XFA_FXBARCODE_DATAMATRIX_BC_X12ENCODER_H_
+
+class CBC_C40Encoder;
+class CBC_X12Encoder;
+class CBC_X12Encoder : public CBC_C40Encoder {
+ public:
+  CBC_X12Encoder();
+  virtual ~CBC_X12Encoder();
+  int32_t getEncodingMode();
+  void Encode(CBC_EncoderContext& context, int32_t& e);
+  void handleEOD(CBC_EncoderContext& context,
+                 CFX_WideString& buffer,
+                 int32_t& e);
+  int32_t encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e);
+};
+
+#endif  // XFA_FXBARCODE_DATAMATRIX_BC_X12ENCODER_H_