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-rw-r--r--fxbarcode/datamatrix/BC_ErrorCorrection.h39
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diff --git a/fxbarcode/datamatrix/BC_ErrorCorrection.h b/fxbarcode/datamatrix/BC_ErrorCorrection.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 FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_
+#define 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 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 // FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_