| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ |
| #define CORE_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ |
| |
| #include <vector> |
| |
| #include "core/fxcodec/jbig2/JBig2_ArithDecoder.h" |
| #include "core/fxcrt/fx_system.h" |
| |
| class CJBig2_ArithIntDecoder { |
| public: |
| CJBig2_ArithIntDecoder(); |
| ~CJBig2_ArithIntDecoder(); |
| |
| // Returns true on success, and false when an OOB condition occurs. Many |
| // callers can tolerate OOB and do not check the return value. |
| bool Decode(CJBig2_ArithDecoder* pArithDecoder, int* nResult); |
| |
| private: |
| std::vector<JBig2ArithCtx> m_IAx; |
| }; |
| |
| class CJBig2_ArithIaidDecoder { |
| public: |
| explicit CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA); |
| ~CJBig2_ArithIaidDecoder(); |
| |
| void Decode(CJBig2_ArithDecoder* pArithDecoder, uint32_t* nResult); |
| |
| private: |
| std::vector<JBig2ArithCtx> m_IAID; |
| |
| const unsigned char SBSYMCODELEN; |
| }; |
| |
| #endif // CORE_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ |