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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_
#include "core/fxcrt/widestring.h"
class CBC_SymbolInfo;
class CBC_ErrorCorrection {
public:
CBC_ErrorCorrection();
virtual ~CBC_ErrorCorrection();
static void Initialize();
static void Finalize();
static WideString encodeECC200(WideString codewords,
CBC_SymbolInfo* symbolInfo,
int32_t& e);
private:
static const int32_t MODULO_VALUE = 0x12D;
static int32_t LOG[256];
static int32_t ALOG[256];
static WideString createECCBlock(WideString codewords,
int32_t numECWords,
int32_t& e);
static WideString createECCBlock(WideString codewords,
int32_t start,
int32_t len,
int32_t numECWords,
int32_t& e);
};
#endif // FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_
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