| // 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_PDF417ECERRORCORRECTION_H_ | |
| #define _BC_PDF417ECERRORCORRECTION_H_ | |
| class CBC_PDF417ECModulusGF; | |
| class CBC_PDF417ECModulusPoly; | |
| class CBC_PDF417ECErrorCorrection { | |
| public: | |
| CBC_PDF417ECErrorCorrection(); | |
| virtual ~CBC_PDF417ECErrorCorrection(); | |
| static void Initialize(int32_t& e); | |
| static void Finalize(); | |
| static int32_t decode(CFX_Int32Array& received, | |
| int32_t numECCodewords, | |
| CFX_Int32Array& erasures, | |
| int32_t& e); | |
| private: | |
| static CBC_PDF417ECModulusGF* m_field; | |
| static CFX_PtrArray* runEuclideanAlgorithm(CBC_PDF417ECModulusPoly* a, | |
| CBC_PDF417ECModulusPoly* b, | |
| int32_t R, | |
| int32_t& e); | |
| static CFX_Int32Array* findErrorLocations( | |
| CBC_PDF417ECModulusPoly* errorLocator, | |
| int32_t& e); | |
| static CFX_Int32Array* findErrorMagnitudes( | |
| CBC_PDF417ECModulusPoly* errorEvaluator, | |
| CBC_PDF417ECModulusPoly* errorLocator, | |
| CFX_Int32Array& errorLocations, | |
| int32_t& e); | |
| }; | |
| #endif |