1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
// Copyright 2016 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_FPDFAPI_PARSER_CPDF_DOCUMENT_H_
#define CORE_FPDFAPI_PARSER_CPDF_DOCUMENT_H_
#include <functional>
#include <memory>
#include "core/fpdfapi/parser/cpdf_indirect_object_holder.h"
#include "core/fpdfapi/parser/cpdf_object.h"
#include "core/fpdfdoc/cpdf_linklist.h"
#include "core/fxcrt/cfx_string_pool_template.h"
#include "core/fxcrt/cfx_weak_ptr.h"
#include "core/fxcrt/fx_basic.h"
class CFX_Font;
class CFX_Matrix;
class CPDF_ColorSpace;
class CPDF_DocPageData;
class CPDF_DocRenderData;
class CPDF_Font;
class CPDF_FontEncoding;
class CPDF_IccProfile;
class CPDF_Image;
class CPDF_Parser;
class CPDF_Pattern;
class CPDF_StreamAcc;
class JBig2_DocumentContext;
#define FPDFPERM_PRINT 0x0004
#define FPDFPERM_MODIFY 0x0008
#define FPDFPERM_EXTRACT 0x0010
#define FPDFPERM_ANNOT_FORM 0x0020
#define FPDFPERM_FILL_FORM 0x0100
#define FPDFPERM_EXTRACT_ACCESS 0x0200
#define FPDFPERM_ASSEMBLE 0x0400
#define FPDFPERM_PRINT_HIGH 0x0800
#define FPDF_PAGE_MAX_NUM 0xFFFFF
class CPDF_Document : public CPDF_IndirectObjectHolder {
public:
explicit CPDF_Document(std::unique_ptr<CPDF_Parser> pParser);
~CPDF_Document() override;
CPDF_Parser* GetParser() const { return m_pParser.get(); }
CPDF_Dictionary* GetRoot() const { return m_pRootDict; }
CPDF_Dictionary* GetInfo() const { return m_pInfoDict; }
CFX_WeakPtr<CFX_ByteStringPool> GetByteStringPool() const {
return m_pByteStringPool;
}
void DeletePage(int iPage);
int GetPageCount() const;
bool IsPageLoaded(int iPage) const;
CPDF_Dictionary* GetPage(int iPage);
int GetPageIndex(uint32_t objnum);
uint32_t GetUserPermissions() const;
CPDF_DocPageData* GetPageData() const { return m_pDocPage; }
void SetPageObjNum(int iPage, uint32_t objNum);
std::unique_ptr<JBig2_DocumentContext>* CodecContext() {
return &m_pCodecContext;
}
std::unique_ptr<CPDF_LinkList>* LinksContext() { return &m_pLinksContext; }
CPDF_DocRenderData* GetRenderData() const { return m_pDocRender.get(); }
// |pFontDict| must not be null.
CPDF_Font* LoadFont(CPDF_Dictionary* pFontDict);
CPDF_ColorSpace* LoadColorSpace(CPDF_Object* pCSObj,
CPDF_Dictionary* pResources = nullptr);
CPDF_Pattern* LoadPattern(CPDF_Object* pObj,
bool bShading,
const CFX_Matrix& matrix);
CPDF_Image* LoadImageF(CPDF_Object* pObj);
CPDF_StreamAcc* LoadFontFile(CPDF_Stream* pStream);
CPDF_IccProfile* LoadIccProfile(CPDF_Stream* pStream);
void LoadDoc();
void LoadLinearizedDoc(CPDF_Dictionary* pLinearizationParams);
void LoadPages();
void CreateNewDoc();
CPDF_Dictionary* CreateNewPage(int iPage);
CPDF_Font* AddStandardFont(const FX_CHAR* font, CPDF_FontEncoding* pEncoding);
CPDF_Font* AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert);
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
CPDF_Font* AddWindowsFont(LOGFONTA* pLogFont,
FX_BOOL bVert,
FX_BOOL bTranslateName = FALSE);
CPDF_Font* AddWindowsFont(LOGFONTW* pLogFont,
FX_BOOL bVert,
FX_BOOL bTranslateName = FALSE);
#endif
private:
friend class CPDF_TestDocument;
// Retrieve page count information by getting count value from the tree nodes
int RetrievePageCount() const;
CPDF_Dictionary* FindPDFPage(CPDF_Dictionary* pPages,
int iPage,
int nPagesToGo,
int level);
int FindPageIndex(CPDF_Dictionary* pNode,
uint32_t& skip_count,
uint32_t objnum,
int& index,
int level = 0);
CPDF_Object* ParseIndirectObject(uint32_t objnum) override;
void LoadDocInternal();
size_t CalculateEncodingDict(int charset, CPDF_Dictionary* pBaseDict);
CPDF_Dictionary* GetPagesDict() const;
CPDF_Dictionary* ProcessbCJK(
CPDF_Dictionary* pBaseDict,
int charset,
FX_BOOL bVert,
CFX_ByteString basefont,
std::function<void(FX_WCHAR, FX_WCHAR, CPDF_Array*)> Insert);
std::unique_ptr<CPDF_Parser> m_pParser;
CPDF_Dictionary* m_pRootDict;
CPDF_Dictionary* m_pInfoDict;
bool m_bLinearized;
int m_iFirstPageNo;
uint32_t m_dwFirstPageObjNum;
// TODO(thestig): Figure out why this cannot be a std::unique_ptr.
CPDF_DocPageData* m_pDocPage;
std::unique_ptr<CPDF_DocRenderData> m_pDocRender;
std::unique_ptr<JBig2_DocumentContext> m_pCodecContext;
std::unique_ptr<CPDF_LinkList> m_pLinksContext;
CFX_ArrayTemplate<uint32_t> m_PageList;
CFX_WeakPtr<CFX_ByteStringPool> m_pByteStringPool;
};
#endif // CORE_FPDFAPI_PARSER_CPDF_DOCUMENT_H_
|
