Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 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_JBIG2_DOCUMENTCONTEXT_H_ |
| 8 | #define CORE_FXCODEC_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_JBIG2_DOCUMENTCONTEXT_H_ |