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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_PDF417ECERRORCORRECTION_H_ | 7 #ifndef XFA_SRC_FXBARCODE_PDF417_BC_PDF417ECERRORCORRECTION_H_ |
| 8 #define _BC_PDF417ECERRORCORRECTION_H_ | 8 #define XFA_SRC_FXBARCODE_PDF417_BC_PDF417ECERRORCORRECTION_H_ |
| 9 |
| 9 class CBC_PDF417ECModulusGF; | 10 class CBC_PDF417ECModulusGF; |
| 10 class CBC_PDF417ECModulusPoly; | 11 class CBC_PDF417ECModulusPoly; |
| 11 class CBC_PDF417ECErrorCorrection { | 12 class CBC_PDF417ECErrorCorrection { |
| 12 public: | 13 public: |
| 13 CBC_PDF417ECErrorCorrection(); | 14 CBC_PDF417ECErrorCorrection(); |
| 14 virtual ~CBC_PDF417ECErrorCorrection(); | 15 virtual ~CBC_PDF417ECErrorCorrection(); |
| 15 static void Initialize(int32_t& e); | 16 static void Initialize(int32_t& e); |
| 16 static void Finalize(); | 17 static void Finalize(); |
| 17 static int32_t decode(CFX_Int32Array& received, | 18 static int32_t decode(CFX_Int32Array& received, |
| 18 int32_t numECCodewords, | 19 int32_t numECCodewords, |
| 19 CFX_Int32Array& erasures, | 20 CFX_Int32Array& erasures, |
| 20 int32_t& e); | 21 int32_t& e); |
| 21 | 22 |
| 22 private: | 23 private: |
| 23 static CBC_PDF417ECModulusGF* m_field; | 24 static CBC_PDF417ECModulusGF* m_field; |
| 24 static CFX_PtrArray* runEuclideanAlgorithm(CBC_PDF417ECModulusPoly* a, | 25 static CFX_PtrArray* runEuclideanAlgorithm(CBC_PDF417ECModulusPoly* a, |
| 25 CBC_PDF417ECModulusPoly* b, | 26 CBC_PDF417ECModulusPoly* b, |
| 26 int32_t R, | 27 int32_t R, |
| 27 int32_t& e); | 28 int32_t& e); |
| 28 static CFX_Int32Array* findErrorLocations( | 29 static CFX_Int32Array* findErrorLocations( |
| 29 CBC_PDF417ECModulusPoly* errorLocator, | 30 CBC_PDF417ECModulusPoly* errorLocator, |
| 30 int32_t& e); | 31 int32_t& e); |
| 31 static CFX_Int32Array* findErrorMagnitudes( | 32 static CFX_Int32Array* findErrorMagnitudes( |
| 32 CBC_PDF417ECModulusPoly* errorEvaluator, | 33 CBC_PDF417ECModulusPoly* errorEvaluator, |
| 33 CBC_PDF417ECModulusPoly* errorLocator, | 34 CBC_PDF417ECModulusPoly* errorLocator, |
| 34 CFX_Int32Array& errorLocations, | 35 CFX_Int32Array& errorLocations, |
| 35 int32_t& e); | 36 int32_t& e); |
| 36 }; | 37 }; |
| 37 #endif | 38 |
| 39 #endif // XFA_SRC_FXBARCODE_PDF417_BC_PDF417ECERRORCORRECTION_H_ |
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