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1 // Copyright 2016 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_PARSER_INCLUDE_CPDF_DOCUMENT_H_ | |
8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_DOCUMENT_H_ | |
9 | |
10 #include <functional> | |
11 #include <memory> | |
12 | |
13 #include "core/fpdfapi/fpdf_parser/include/cpdf_indirect_object_holder.h" | |
14 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" | |
15 #include "core/fpdfdoc/include/cpdf_linklist.h" | |
16 #include "core/fxcrt/include/cfx_string_pool_template.h" | |
17 #include "core/fxcrt/include/cfx_weak_ptr.h" | |
18 #include "core/fxcrt/include/fx_basic.h" | |
19 | |
20 class CFX_Font; | |
21 class CFX_Matrix; | |
22 class CPDF_ColorSpace; | |
23 class CPDF_DocPageData; | |
24 class CPDF_DocRenderData; | |
25 class CPDF_Font; | |
26 class CPDF_FontEncoding; | |
27 class CPDF_IccProfile; | |
28 class CPDF_Image; | |
29 class CPDF_Parser; | |
30 class CPDF_Pattern; | |
31 class CPDF_StreamAcc; | |
32 class JBig2_DocumentContext; | |
33 | |
34 #define FPDFPERM_PRINT 0x0004 | |
35 #define FPDFPERM_MODIFY 0x0008 | |
36 #define FPDFPERM_EXTRACT 0x0010 | |
37 #define FPDFPERM_ANNOT_FORM 0x0020 | |
38 #define FPDFPERM_FILL_FORM 0x0100 | |
39 #define FPDFPERM_EXTRACT_ACCESS 0x0200 | |
40 #define FPDFPERM_ASSEMBLE 0x0400 | |
41 #define FPDFPERM_PRINT_HIGH 0x0800 | |
42 #define FPDF_PAGE_MAX_NUM 0xFFFFF | |
43 | |
44 class CPDF_Document : public CPDF_IndirectObjectHolder { | |
45 public: | |
46 explicit CPDF_Document(std::unique_ptr<CPDF_Parser> pParser); | |
47 ~CPDF_Document() override; | |
48 | |
49 CPDF_Parser* GetParser() const { return m_pParser.get(); } | |
50 CPDF_Dictionary* GetRoot() const { return m_pRootDict; } | |
51 CPDF_Dictionary* GetInfo() const { return m_pInfoDict; } | |
52 CFX_WeakPtr<CFX_ByteStringPool> GetByteStringPool() const { | |
53 return m_pByteStringPool; | |
54 } | |
55 | |
56 void DeletePage(int iPage); | |
57 int GetPageCount() const; | |
58 | |
59 bool IsPageLoaded(int iPage) const; | |
60 CPDF_Dictionary* GetPage(int iPage); | |
61 int GetPageIndex(uint32_t objnum); | |
62 uint32_t GetUserPermissions() const; | |
63 CPDF_DocPageData* GetPageData() const { return m_pDocPage; } | |
64 | |
65 void SetPageObjNum(int iPage, uint32_t objNum); | |
66 | |
67 std::unique_ptr<JBig2_DocumentContext>* CodecContext() { | |
68 return &m_pCodecContext; | |
69 } | |
70 std::unique_ptr<CPDF_LinkList>* LinksContext() { return &m_pLinksContext; } | |
71 | |
72 CPDF_DocRenderData* GetRenderData() const { return m_pDocRender.get(); } | |
73 | |
74 // |pFontDict| must not be null. | |
75 CPDF_Font* LoadFont(CPDF_Dictionary* pFontDict); | |
76 CPDF_ColorSpace* LoadColorSpace(CPDF_Object* pCSObj, | |
77 CPDF_Dictionary* pResources = nullptr); | |
78 | |
79 CPDF_Pattern* LoadPattern(CPDF_Object* pObj, | |
80 FX_BOOL bShading, | |
81 const CFX_Matrix& matrix); | |
82 | |
83 CPDF_Image* LoadImageF(CPDF_Object* pObj); | |
84 CPDF_StreamAcc* LoadFontFile(CPDF_Stream* pStream); | |
85 CPDF_IccProfile* LoadIccProfile(CPDF_Stream* pStream); | |
86 | |
87 void LoadDoc(); | |
88 void LoadLinearizedDoc(CPDF_Dictionary* pLinearizationParams); | |
89 void LoadPages(); | |
90 | |
91 void CreateNewDoc(); | |
92 CPDF_Dictionary* CreateNewPage(int iPage); | |
93 | |
94 CPDF_Font* AddStandardFont(const FX_CHAR* font, CPDF_FontEncoding* pEncoding); | |
95 CPDF_Font* AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert); | |
96 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
97 CPDF_Font* AddWindowsFont(LOGFONTA* pLogFont, | |
98 FX_BOOL bVert, | |
99 FX_BOOL bTranslateName = FALSE); | |
100 CPDF_Font* AddWindowsFont(LOGFONTW* pLogFont, | |
101 FX_BOOL bVert, | |
102 FX_BOOL bTranslateName = FALSE); | |
103 #endif | |
104 | |
105 private: | |
106 friend class CPDF_TestDocument; | |
107 | |
108 // Retrieve page count information by getting count value from the tree nodes | |
109 int RetrievePageCount() const; | |
110 CPDF_Dictionary* FindPDFPage(CPDF_Dictionary* pPages, | |
111 int iPage, | |
112 int nPagesToGo, | |
113 int level); | |
114 int FindPageIndex(CPDF_Dictionary* pNode, | |
115 uint32_t& skip_count, | |
116 uint32_t objnum, | |
117 int& index, | |
118 int level = 0); | |
119 CPDF_Object* ParseIndirectObject(uint32_t objnum) override; | |
120 void LoadDocInternal(); | |
121 size_t CalculateEncodingDict(int charset, CPDF_Dictionary* pBaseDict); | |
122 CPDF_Dictionary* GetPagesDict() const; | |
123 CPDF_Dictionary* ProcessbCJK( | |
124 CPDF_Dictionary* pBaseDict, | |
125 int charset, | |
126 FX_BOOL bVert, | |
127 CFX_ByteString basefont, | |
128 std::function<void(FX_WCHAR, FX_WCHAR, CPDF_Array*)> Insert); | |
129 | |
130 std::unique_ptr<CPDF_Parser> m_pParser; | |
131 CPDF_Dictionary* m_pRootDict; | |
132 CPDF_Dictionary* m_pInfoDict; | |
133 bool m_bLinearized; | |
134 int m_iFirstPageNo; | |
135 uint32_t m_dwFirstPageObjNum; | |
136 // TODO(thestig): Figure out why this cannot be a std::unique_ptr. | |
137 CPDF_DocPageData* m_pDocPage; | |
138 std::unique_ptr<CPDF_DocRenderData> m_pDocRender; | |
139 std::unique_ptr<JBig2_DocumentContext> m_pCodecContext; | |
140 std::unique_ptr<CPDF_LinkList> m_pLinksContext; | |
141 CFX_ArrayTemplate<uint32_t> m_PageList; | |
142 CFX_WeakPtr<CFX_ByteStringPool> m_pByteStringPool; | |
143 }; | |
144 | |
145 #endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_DOCUMENT_H_ | |
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