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1 // Copyright 2014 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_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ | 7 #ifndef CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_HINT_TABLES_H_ |
8 #define CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ | 8 #define CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_HINT_TABLES_H_ |
9 | 9 |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
| 12 #include "core/include/fpdfapi/ipdf_data_avail.h" |
12 #include "core/include/fxcrt/fx_basic.h" | 13 #include "core/include/fxcrt/fx_basic.h" |
13 #include "core/include/fxcrt/fx_stream.h" | 14 #include "core/include/fxcrt/fx_stream.h" |
14 | 15 |
15 class CFX_BitStream; | 16 class CFX_BitStream; |
16 class CPDF_DataAvail; | 17 class CPDF_DataAvail; |
17 class CPDF_Dictionary; | 18 class CPDF_Dictionary; |
18 class CPDF_Stream; | 19 class CPDF_Stream; |
19 class IFX_DownloadHints; | |
20 | 20 |
21 class CPDF_HintTables { | 21 class CPDF_HintTables { |
22 public: | 22 public: |
23 CPDF_HintTables(CPDF_DataAvail* pDataAvail, CPDF_Dictionary* pLinearized) | 23 CPDF_HintTables(CPDF_DataAvail* pDataAvail, CPDF_Dictionary* pLinearized) |
24 : m_pLinearizedDict(pLinearized), | 24 : m_pLinearizedDict(pLinearized), |
25 m_pDataAvail(pDataAvail), | 25 m_pDataAvail(pDataAvail), |
26 m_nFirstPageSharedObjs(0), | 26 m_nFirstPageSharedObjs(0), |
27 m_szFirstPageObjOffset(0) {} | 27 m_szFirstPageObjOffset(0) {} |
28 ~CPDF_HintTables(); | 28 ~CPDF_HintTables(); |
29 | 29 |
30 FX_BOOL GetPagePos(int index, | 30 FX_BOOL GetPagePos(int index, |
31 FX_FILESIZE& szPageStartPos, | 31 FX_FILESIZE& szPageStartPos, |
32 FX_FILESIZE& szPageLength, | 32 FX_FILESIZE& szPageLength, |
33 FX_DWORD& dwObjNum); | 33 FX_DWORD& dwObjNum); |
34 IPDF_DataAvail::DocAvailStatus CheckPage(int index, | 34 |
35 IFX_DownloadHints* pHints); | 35 IPDF_DataAvail::DocAvailStatus CheckPage( |
| 36 int index, |
| 37 IPDF_DataAvail::DownloadHints* pHints); |
| 38 |
36 FX_BOOL LoadHintStream(CPDF_Stream* pHintStream); | 39 FX_BOOL LoadHintStream(CPDF_Stream* pHintStream); |
37 | 40 |
38 protected: | 41 protected: |
39 FX_BOOL ReadPageHintTable(CFX_BitStream* hStream); | 42 FX_BOOL ReadPageHintTable(CFX_BitStream* hStream); |
40 FX_BOOL ReadSharedObjHintTable(CFX_BitStream* hStream, FX_DWORD offset); | 43 FX_BOOL ReadSharedObjHintTable(CFX_BitStream* hStream, FX_DWORD offset); |
41 FX_DWORD GetItemLength(int index, const std::vector<FX_FILESIZE>& szArray); | 44 FX_DWORD GetItemLength(int index, const std::vector<FX_FILESIZE>& szArray); |
42 | 45 |
43 private: | 46 private: |
44 int ReadPrimaryHintStreamOffset() const; | 47 int ReadPrimaryHintStreamOffset() const; |
45 int ReadPrimaryHintStreamLength() const; | 48 int ReadPrimaryHintStreamLength() const; |
46 | 49 |
47 CPDF_Dictionary* m_pLinearizedDict; | 50 CPDF_Dictionary* m_pLinearizedDict; |
48 CPDF_DataAvail* m_pDataAvail; | 51 CPDF_DataAvail* m_pDataAvail; |
49 FX_DWORD m_nFirstPageSharedObjs; | 52 FX_DWORD m_nFirstPageSharedObjs; |
50 FX_FILESIZE m_szFirstPageObjOffset; | 53 FX_FILESIZE m_szFirstPageObjOffset; |
51 CFX_DWordArray m_dwDeltaNObjsArray; | 54 CFX_DWordArray m_dwDeltaNObjsArray; |
52 CFX_DWordArray m_dwNSharedObjsArray; | 55 CFX_DWordArray m_dwNSharedObjsArray; |
53 CFX_DWordArray m_dwSharedObjNumArray; | 56 CFX_DWordArray m_dwSharedObjNumArray; |
54 CFX_DWordArray m_dwIdentifierArray; | 57 CFX_DWordArray m_dwIdentifierArray; |
55 std::vector<FX_FILESIZE> m_szPageOffsetArray; | 58 std::vector<FX_FILESIZE> m_szPageOffsetArray; |
56 std::vector<FX_FILESIZE> m_szSharedObjOffsetArray; | 59 std::vector<FX_FILESIZE> m_szSharedObjOffsetArray; |
57 }; | 60 }; |
58 | 61 |
59 #endif // CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ | 62 #endif // CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_HINT_TABLES_H_ |
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