// 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 |