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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #ifndef _BC_ERRORCORRECTION_H_ | 7 #ifndef _BC_ERRORCORRECTION_H_ |
| 8 #define _BC_ERRORCORRECTION_H_ | 8 #define _BC_ERRORCORRECTION_H_ |
| 9 class CBC_SymbolInfo; | 9 class CBC_SymbolInfo; |
| 10 class CBC_ErrorCorrection; | 10 class CBC_ErrorCorrection; |
| 11 class CBC_ErrorCorrection : public CFX_Object | 11 class CBC_ErrorCorrection : public CFX_Object |
| 12 { | 12 { |
| 13 public: | 13 public: |
| 14 CBC_ErrorCorrection(); | 14 CBC_ErrorCorrection(); |
| 15 virtual ~CBC_ErrorCorrection(); | 15 virtual ~CBC_ErrorCorrection(); |
| 16 static void Initialize(); | 16 static void Initialize(); |
| 17 static void Finalize(); | 17 static void Finalize(); |
| 18 static CFX_WideString encodeECC200(CFX_WideString codewords, CBC_SymbolInfo*
symbolInfo, FX_INT32 &e); | 18 static CFX_WideString encodeECC200(CFX_WideString codewords, CBC_SymbolInfo*
symbolInfo, FX_INT32 &e); |
| 19 private: | 19 private: |
| 20 static FX_INT32 FACTOR_SETS[]; | 20 static FX_INT32 FACTOR_SETS[]; |
| 21 static FX_INT32 FACTORS[][100]; | 21 static FX_INT32 FACTORS[][100]; |
| 22 static FX_INT32 MODULO_VALUE; | 22 static FX_INT32 MODULO_VALUE; |
| 23 static FX_INT32 LOG[256]; | 23 static FX_INT32 LOG[256]; |
| 24 static FX_INT32 ALOG[256]; | 24 static FX_INT32 ALOG[256]; |
| 25 private: | 25 private: |
| 26 static CFX_WideString createECCBlock(CFX_WideString codewords, FX_INT32 numE
CWords, FX_INT32 &e); | 26 static CFX_WideString createECCBlock(CFX_WideString codewords, FX_INT32 numE
CWords, FX_INT32 &e); |
| 27 static CFX_WideString createECCBlock(CFX_WideString codewords, FX_INT32 star
t, FX_INT32 len, FX_INT32 numECWords, FX_INT32 &e); | 27 static CFX_WideString createECCBlock(CFX_WideString codewords, FX_INT32 star
t, FX_INT32 len, FX_INT32 numECWords, FX_INT32 &e); |
| 28 }; | 28 }; |
| 29 #endif | 29 #endif |
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