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| 1 // Copyright 2016 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 CORE_FXCODEC_INCLUDE_JBIG2_DOCUMENTCONTEXT_H_ |
| 8 #define CORE_FXCODEC_INCLUDE_JBIG2_DOCUMENTCONTEXT_H_ |
| 9 |
| 10 #include <list> |
| 11 #include <memory> |
| 12 #include <utility> |
| 13 |
| 14 class CJBig2_SymbolDict; |
| 15 |
| 16 using CJBig2_CacheKey = std::pair<uint32_t, uint32_t>; |
| 17 using CJBig2_CachePair = |
| 18 std::pair<CJBig2_CacheKey, std::unique_ptr<CJBig2_SymbolDict>>; |
| 19 |
| 20 // Holds per-document JBig2 related data. |
| 21 class JBig2_DocumentContext { |
| 22 public: |
| 23 JBig2_DocumentContext(); |
| 24 ~JBig2_DocumentContext(); |
| 25 |
| 26 std::list<CJBig2_CachePair>* GetSymbolDictCache() { |
| 27 return &m_SymbolDictCache; |
| 28 } |
| 29 |
| 30 private: |
| 31 std::list<CJBig2_CachePair> m_SymbolDictCache; |
| 32 }; |
| 33 |
| 34 #endif // CORE_FXCODEC_INCLUDE_JBIG2_DOCUMENTCONTEXT_H_ |
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