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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef CORE_FPDFAPI_PARSER_CPDF_STREAM_H_ | 7 #ifndef CORE_FPDFAPI_PARSER_CPDF_STREAM_H_ |
8 #define CORE_FPDFAPI_PARSER_CPDF_STREAM_H_ | 8 #define CORE_FPDFAPI_PARSER_CPDF_STREAM_H_ |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
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39 | 39 |
40 void InitStream(const uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict); | 40 void InitStream(const uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict); |
41 void InitStreamFromFile(IFX_SeekableReadStream* pFile, | 41 void InitStreamFromFile(IFX_SeekableReadStream* pFile, |
42 CPDF_Dictionary* pDict); | 42 CPDF_Dictionary* pDict); |
43 | 43 |
44 bool ReadRawData(FX_FILESIZE start_pos, | 44 bool ReadRawData(FX_FILESIZE start_pos, |
45 uint8_t* pBuf, | 45 uint8_t* pBuf, |
46 uint32_t buf_size) const; | 46 uint32_t buf_size) const; |
47 | 47 |
48 bool IsMemoryBased() const { return m_bMemoryBased; } | 48 bool IsMemoryBased() const { return m_bMemoryBased; } |
| 49 bool HasFilter() const; |
49 | 50 |
50 protected: | 51 protected: |
51 std::unique_ptr<CPDF_Object> CloneNonCyclic( | 52 std::unique_ptr<CPDF_Object> CloneNonCyclic( |
52 bool bDirect, | 53 bool bDirect, |
53 std::set<const CPDF_Object*>* pVisited) const override; | 54 std::set<const CPDF_Object*>* pVisited) const override; |
54 | 55 |
55 bool m_bMemoryBased = true; | 56 bool m_bMemoryBased = true; |
56 uint32_t m_dwSize = 0; | 57 uint32_t m_dwSize = 0; |
57 std::unique_ptr<CPDF_Dictionary> m_pDict; | 58 std::unique_ptr<CPDF_Dictionary> m_pDict; |
58 std::unique_ptr<uint8_t, FxFreeDeleter> m_pDataBuf; | 59 std::unique_ptr<uint8_t, FxFreeDeleter> m_pDataBuf; |
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69 | 70 |
70 inline std::unique_ptr<CPDF_Stream> ToStream(std::unique_ptr<CPDF_Object> obj) { | 71 inline std::unique_ptr<CPDF_Stream> ToStream(std::unique_ptr<CPDF_Object> obj) { |
71 CPDF_Stream* pStream = ToStream(obj.get()); | 72 CPDF_Stream* pStream = ToStream(obj.get()); |
72 if (!pStream) | 73 if (!pStream) |
73 return nullptr; | 74 return nullptr; |
74 obj.release(); | 75 obj.release(); |
75 return std::unique_ptr<CPDF_Stream>(pStream); | 76 return std::unique_ptr<CPDF_Stream>(pStream); |
76 } | 77 } |
77 | 78 |
78 #endif // CORE_FPDFAPI_PARSER_CPDF_STREAM_H_ | 79 #endif // CORE_FPDFAPI_PARSER_CPDF_STREAM_H_ |
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