| // 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; | |
| class CBC_PDF417ECErrorCorrection : public CFX_Object | |
| { | |
| public: | |
| CBC_PDF417ECErrorCorrection(); | |
| virtual ~CBC_PDF417ECErrorCorrection(); | |
| static void Initialize(FX_INT32 &e); | |
| static void Finalize(); | |
| static FX_INT32 decode(CFX_Int32Array &received, FX_INT32 numECCodewords, CFX_Int32Array &erasures, FX_INT32 &e); | |
| private: | |
| static CBC_PDF417ECModulusGF* m_field; | |
| static CFX_PtrArray* runEuclideanAlgorithm(CBC_PDF417ECModulusPoly* a, CBC_PDF417ECModulusPoly* b, FX_INT32 R, FX_INT32 &e); | |
| static CFX_Int32Array* findErrorLocations(CBC_PDF417ECModulusPoly* errorLocator, FX_INT32 &e); | |
| static CFX_Int32Array* findErrorMagnitudes(CBC_PDF417ECModulusPoly* errorEvaluator, CBC_PDF417ECModulusPoly* errorLocator, CFX_Int32Array &errorLocations, FX_INT32 &e); | |
| }; | |
| #endif |