1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMON_H_
8 #define FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMON_H_
9 
10 #include <memory>
11 #include <vector>
12 
13 #include "core/fxcrt/unowned_ptr.h"
14 
15 class CBC_ReedSolomonGF256;
16 class CBC_ReedSolomonGF256Poly;
17 
18 class CBC_ReedSolomonEncoder {
19  public:
20   explicit CBC_ReedSolomonEncoder(CBC_ReedSolomonGF256* field);
21   ~CBC_ReedSolomonEncoder();
22 
23   bool Encode(std::vector<int32_t>* toEncode, size_t ecBytes);
24 
25  private:
26   CBC_ReedSolomonGF256Poly* BuildGenerator(size_t degree);
27 
28   UnownedPtr<CBC_ReedSolomonGF256> const m_field;
29   std::vector<std::unique_ptr<CBC_ReedSolomonGF256Poly>> m_cachedGenerators;
30 };
31 
32 #endif  // FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMON_H_
33