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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 XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ | 7 #ifndef XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ |
| 8 #define XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ | 8 #define XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ |
| 9 | 9 |
| 10 class CBC_SymbolInfo; | 10 class CBC_SymbolInfo; |
| 11 |
| 11 class CBC_ErrorCorrection { | 12 class CBC_ErrorCorrection { |
| 12 public: | 13 public: |
| 13 CBC_ErrorCorrection(); | 14 CBC_ErrorCorrection(); |
| 14 virtual ~CBC_ErrorCorrection(); | 15 virtual ~CBC_ErrorCorrection(); |
| 16 |
| 15 static void Initialize(); | 17 static void Initialize(); |
| 16 static void Finalize(); | 18 static void Finalize(); |
| 17 static CFX_WideString encodeECC200(CFX_WideString codewords, | 19 static CFX_WideString encodeECC200(CFX_WideString codewords, |
| 18 CBC_SymbolInfo* symbolInfo, | 20 CBC_SymbolInfo* symbolInfo, |
| 19 int32_t& e); | 21 int32_t& e); |
| 20 | 22 |
| 21 private: | 23 private: |
| 22 static int32_t MODULO_VALUE; | 24 static int32_t MODULO_VALUE; |
| 23 static int32_t LOG[256]; | 25 static int32_t LOG[256]; |
| 24 static int32_t ALOG[256]; | 26 static int32_t ALOG[256]; |
| 25 | 27 |
| 26 private: | 28 private: |
| 27 static CFX_WideString createECCBlock(CFX_WideString codewords, | 29 static CFX_WideString createECCBlock(CFX_WideString codewords, |
| 28 int32_t numECWords, | 30 int32_t numECWords, |
| 29 int32_t& e); | 31 int32_t& e); |
| 30 static CFX_WideString createECCBlock(CFX_WideString codewords, | 32 static CFX_WideString createECCBlock(CFX_WideString codewords, |
| 31 int32_t start, | 33 int32_t start, |
| 32 int32_t len, | 34 int32_t len, |
| 33 int32_t numECWords, | 35 int32_t numECWords, |
| 34 int32_t& e); | 36 int32_t& e); |
| 35 }; | 37 }; |
| 36 | 38 |
| 37 #endif // XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ | 39 #endif // XFA_FXBARCODE_DATAMATRIX_BC_ERRORCORRECTION_H_ |
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