1 files changed, 29 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.h b/xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.h
new file mode 100644
index 0000000000..973ff33b8e
--- /dev/null
+++ b/xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.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 _BC_ERRORCORRECTION_H_
+#define _BC_ERRORCORRECTION_H_
+class CBC_SymbolInfo;
+class CBC_ErrorCorrection;
+class CBC_ErrorCorrection : public CFX_Object
+{
+public:
+    CBC_ErrorCorrection();
+    virtual ~CBC_ErrorCorrection();
+    static void Initialize();
+    static void Finalize();
+    static CFX_WideString encodeECC200(CFX_WideString codewords, CBC_SymbolInfo* symbolInfo, FX_INT32 &e);
+private:
+    static FX_INT32 FACTOR_SETS[];
+    static FX_INT32 FACTORS[][100];
+    static FX_INT32 MODULO_VALUE;
+    static FX_INT32 LOG[256];
+    static FX_INT32 ALOG[256];
+private:
+    static CFX_WideString createECCBlock(CFX_WideString codewords, FX_INT32 numECWords, FX_INT32 &e);
+    static CFX_WideString createECCBlock(CFX_WideString codewords, FX_INT32 start, FX_INT32 len, FX_INT32 numECWords, FX_INT32 &e);
+};
+#endif