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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_FPDFAPI_FPDF_EDIT_EDITINT_H_ | |
8 #define CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_ | |
9 | |
10 #include <vector> | |
11 | |
12 #include "core/fxcrt/fx_basic.h" | |
13 #include "core/fxcrt/fx_stream.h" | |
14 #include "core/fxcrt/fx_system.h" | |
15 | |
16 class CPDF_Creator; | |
17 class CPDF_Object; | |
18 | |
19 class CPDF_ObjectStream { | |
20 public: | |
21 struct Item { | |
22 uint32_t objnum; | |
23 FX_STRSIZE offset; | |
24 }; | |
25 | |
26 CPDF_ObjectStream(); | |
27 ~CPDF_ObjectStream(); | |
28 | |
29 void Start(); | |
30 FX_FILESIZE End(CPDF_Creator* pCreator); | |
31 void CompressIndirectObject(uint32_t dwObjNum, const CPDF_Object* pObj); | |
32 void CompressIndirectObject(uint32_t dwObjNum, | |
33 const uint8_t* pBuffer, | |
34 uint32_t dwSize); | |
35 | |
36 std::vector<Item> m_Items; | |
37 CFX_ByteTextBuf m_Buffer; | |
38 uint32_t m_dwObjNum; | |
39 int32_t m_index; | |
40 }; | |
41 | |
42 class CPDF_XRefStream { | |
43 public: | |
44 struct Index { | |
45 uint32_t objnum; | |
46 uint32_t count; | |
47 }; | |
48 | |
49 CPDF_XRefStream(); | |
50 ~CPDF_XRefStream(); | |
51 | |
52 FX_BOOL Start(); | |
53 int32_t CompressIndirectObject(uint32_t dwObjNum, | |
54 const CPDF_Object* pObj, | |
55 CPDF_Creator* pCreator); | |
56 int32_t CompressIndirectObject(uint32_t dwObjNum, | |
57 const uint8_t* pBuffer, | |
58 uint32_t dwSize, | |
59 CPDF_Creator* pCreator); | |
60 FX_BOOL End(CPDF_Creator* pCreator, FX_BOOL bEOF = FALSE); | |
61 void AddObjectNumberToIndexArray(uint32_t objnum); | |
62 FX_BOOL EndXRefStream(CPDF_Creator* pCreator); | |
63 | |
64 std::vector<Index> m_IndexArray; | |
65 FX_FILESIZE m_PrevOffset; | |
66 uint32_t m_dwTempObjNum; | |
67 | |
68 protected: | |
69 int32_t EndObjectStream(CPDF_Creator* pCreator, FX_BOOL bEOF = TRUE); | |
70 FX_BOOL GenerateXRefStream(CPDF_Creator* pCreator, FX_BOOL bEOF); | |
71 | |
72 size_t m_iSeg; | |
73 CPDF_ObjectStream m_ObjStream; | |
74 CFX_ByteTextBuf m_Buffer; | |
75 }; | |
76 | |
77 #endif // CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_ | |
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