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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_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ | 7 #ifndef XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ |
8 #define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ | 8 #define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ |
9 | 9 |
10 #include "core/fxcrt/include/fx_basic.h" | 10 #include "core/fxcrt/include/fx_basic.h" |
11 | 11 |
12 class CBC_ReedSolomonGF256; | 12 class CBC_ReedSolomonGF256; |
13 | 13 |
14 class CBC_ReedSolomonGF256Poly { | 14 class CBC_ReedSolomonGF256Poly final { |
15 public: | 15 public: |
16 CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients); | 16 CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients); |
17 CBC_ReedSolomonGF256Poly(); | 17 CBC_ReedSolomonGF256Poly(); |
18 virtual ~CBC_ReedSolomonGF256Poly(); | 18 ~CBC_ReedSolomonGF256Poly(); |
| 19 void Init(CBC_ReedSolomonGF256* field, |
| 20 CFX_Int32Array* coefficients, |
| 21 int32_t& e); |
| 22 |
19 int32_t GetCoefficients(int32_t degree); | 23 int32_t GetCoefficients(int32_t degree); |
20 CFX_Int32Array* GetCoefficients(); | 24 CFX_Int32Array* GetCoefficients(); |
21 int32_t GetDegree(); | 25 int32_t GetDegree(); |
22 FX_BOOL IsZero(); | 26 FX_BOOL IsZero(); |
23 int32_t EvaluateAt(int32_t a); | 27 int32_t EvaluateAt(int32_t a); |
24 CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other, | 28 CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other, |
25 int32_t& e); | 29 int32_t& e); |
26 CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other, | 30 CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other, |
27 int32_t& e); | 31 int32_t& e); |
28 CBC_ReedSolomonGF256Poly* Multiply(int32_t scalar, int32_t& e); | 32 CBC_ReedSolomonGF256Poly* Multiply(int32_t scalar, int32_t& e); |
29 CBC_ReedSolomonGF256Poly* MultiplyByMonomial(int32_t degree, | 33 CBC_ReedSolomonGF256Poly* MultiplyByMonomial(int32_t degree, |
30 int32_t coefficient, | 34 int32_t coefficient, |
31 int32_t& e); | 35 int32_t& e); |
32 CFX_PtrArray* Divide(CBC_ReedSolomonGF256Poly* other, int32_t& e); | 36 CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>* Divide( |
| 37 CBC_ReedSolomonGF256Poly* other, |
| 38 int32_t& e); |
| 39 |
33 CBC_ReedSolomonGF256Poly* Clone(int32_t& e); | 40 CBC_ReedSolomonGF256Poly* Clone(int32_t& e); |
34 virtual void Init(CBC_ReedSolomonGF256* field, | |
35 CFX_Int32Array* coefficients, | |
36 int32_t& e); | |
37 | 41 |
38 private: | 42 private: |
39 CBC_ReedSolomonGF256* m_field; | 43 CBC_ReedSolomonGF256* m_field; |
40 CFX_Int32Array m_coefficients; | 44 CFX_Int32Array m_coefficients; |
41 }; | 45 }; |
42 | 46 |
43 #endif // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ | 47 #endif // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ |
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