| // 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 XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_ |
| #define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_ |
| |
| #include "core/fxcrt/include/fx_basic.h" |
| |
| class CBC_ReedSolomonGF256; |
| class CBC_ReedSolomonGF256Poly; |
| |
| class CBC_ReedSolomonDecoder { |
| public: |
| CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field); |
| virtual ~CBC_ReedSolomonDecoder(); |
| |
| void Decode(CFX_Int32Array* received, int32_t twoS, int32_t& e); |
| CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>* RunEuclideanAlgorithm( |
| CBC_ReedSolomonGF256Poly* a, |
| CBC_ReedSolomonGF256Poly* b, |
| int32_t R, |
| int32_t& e); |
| CFX_Int32Array* FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator, |
| int32_t& e); |
| CFX_Int32Array* FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator, |
| CFX_Int32Array* errorLocations, |
| FX_BOOL dataMatrix, |
| int32_t& e); |
| |
| private: |
| CBC_ReedSolomonGF256* m_field; |
| }; |
| |
| #endif // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_ |
