| // 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 | |
| { | |
| 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 |