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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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