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|   1 // Copyright 2014 PDFium Authors. All rights reserved. |  | 
|   2 // Use of this source code is governed by a BSD-style license that can be |  | 
|   3 // found in the LICENSE file. |  | 
|   4  |  | 
|   5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |  | 
|   6  |  | 
|   7 #ifndef XFA_SRC_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ |  | 
|   8 #define XFA_SRC_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ |  | 
|   9  |  | 
|  10 class CBC_SymbolInfo; |  | 
|  11 class CBC_ErrorCorrection { |  | 
|  12  public: |  | 
|  13   CBC_ErrorCorrection(); |  | 
|  14   virtual ~CBC_ErrorCorrection(); |  | 
|  15   static void Initialize(); |  | 
|  16   static void Finalize(); |  | 
|  17   static CFX_WideString encodeECC200(CFX_WideString codewords, |  | 
|  18                                      CBC_SymbolInfo* symbolInfo, |  | 
|  19                                      int32_t& e); |  | 
|  20  |  | 
|  21  private: |  | 
|  22   static int32_t FACTOR_SETS[]; |  | 
|  23   static int32_t FACTORS[][100]; |  | 
|  24   static int32_t MODULO_VALUE; |  | 
|  25   static int32_t LOG[256]; |  | 
|  26   static int32_t ALOG[256]; |  | 
|  27  |  | 
|  28  private: |  | 
|  29   static CFX_WideString createECCBlock(CFX_WideString codewords, |  | 
|  30                                        int32_t numECWords, |  | 
|  31                                        int32_t& e); |  | 
|  32   static CFX_WideString createECCBlock(CFX_WideString codewords, |  | 
|  33                                        int32_t start, |  | 
|  34                                        int32_t len, |  | 
|  35                                        int32_t numECWords, |  | 
|  36                                        int32_t& e); |  | 
|  37 }; |  | 
|  38  |  | 
|  39 #endif  // XFA_SRC_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ |  | 
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