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| 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 CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ | |
| 8 #define CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ | |
| 9 | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "core/include/fxcrt/fx_system.h" | |
| 13 #include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" | |
| 14 | |
| 15 class CJBig2_ArithIntDecoder { | |
| 16 public: | |
| 17 CJBig2_ArithIntDecoder(); | |
| 18 ~CJBig2_ArithIntDecoder(); | |
| 19 | |
| 20 // Returns true on success, and false when an OOB condition occurs. Many | |
| 21 // callers can tolerate OOB and do not check the return value. | |
| 22 bool decode(CJBig2_ArithDecoder* pArithDecoder, int* nResult); | |
| 23 | |
| 24 private: | |
| 25 std::vector<JBig2ArithCtx> m_IAx; | |
| 26 }; | |
| 27 | |
| 28 class CJBig2_ArithIaidDecoder { | |
| 29 public: | |
| 30 explicit CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA); | |
| 31 ~CJBig2_ArithIaidDecoder(); | |
| 32 | |
| 33 void decode(CJBig2_ArithDecoder* pArithDecoder, FX_DWORD* nResult); | |
| 34 | |
| 35 private: | |
| 36 std::vector<JBig2ArithCtx> m_IAID; | |
| 37 | |
| 38 const unsigned char SBSYMCODELEN; | |
| 39 }; | |
| 40 | |
| 41 #endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ | |
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