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diff --git a/xfa/fxbarcode/pdf417/BC_PDF417CodewordDecoder.h b/xfa/fxbarcode/pdf417/BC_PDF417CodewordDecoder.h
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+// 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_PDF417_BC_PDF417CODEWORDDECODER_H_
+#define XFA_FXBARCODE_PDF417_BC_PDF417CODEWORDDECODER_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_PDF417CodewordDecoder {
+ public:
+ CBC_PDF417CodewordDecoder();
+ virtual ~CBC_PDF417CodewordDecoder();
+ static void Initialize();
+ static void Finalize();
+ static int32_t getDecodedValue(CFX_Int32Array& moduleBitCount);
+
+ private:
+ static FX_FLOAT RATIOS_TABLE[][8];
+ static CFX_Int32Array* sampleBitCounts(CFX_Int32Array& moduleBitCount);
+ static int32_t getDecodedCodewordValue(CFX_Int32Array& moduleBitCount);
+ static int32_t getBitValue(CFX_Int32Array& moduleBitCount);
+ static int32_t getClosestDecodedValue(CFX_Int32Array& moduleBitCount);
+};
+
+#endif // XFA_FXBARCODE_PDF417_BC_PDF417CODEWORDDECODER_H_