Web   ·   Wiki   ·   Activities   ·   Blog   ·   Lists   ·   Chat   ·   Meeting   ·   Bugs   ·   Git   ·   Translate   ·   Archive   ·   People   ·   Donate
summaryrefslogtreecommitdiffstats
path: root/pdf/xpdf/PDFDoc.h
blob: ea73282b6437b195a550738620198117c4175864 (plain)
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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
//========================================================================
//
// PDFDoc.h
//
// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================

#ifndef PDFDOC_H
#define PDFDOC_H

#include <aconf.h>

#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif

#include <stdio.h>
#include "XRef.h"
#include "Link.h"
#include "Catalog.h"
#include "Page.h"
#include "Annot.h"

class GString;
class BaseStream;
class OutputDev;
class Links;
class LinkAction;
class LinkDest;
class Outline;

//------------------------------------------------------------------------
// PDFDoc
//------------------------------------------------------------------------

class PDFDoc {
public:

  PDFDoc(GString *fileNameA, GString *ownerPassword = NULL,
	 GString *userPassword = NULL);
  PDFDoc(BaseStream *strA, GString *ownerPassword = NULL,
	 GString *userPassword = NULL);
  ~PDFDoc();

  // Was PDF document successfully opened?
  GBool isOk() { return ok; }

  // Get the error code (if isOk() returns false).
  int getErrorCode() { return errCode; }

  // Get file name.
  GString *getFileName() { return fileName; }

  // Get the xref table.
  XRef *getXRef() { return xref; }

  // Get catalog.
  Catalog *getCatalog() { return catalog; }

  // Get base stream.
  BaseStream *getBaseStream() { return str; }

  // Get page parameters.
  double getPageWidth(int page)
    { return catalog->getPage(page)->getWidth(); }
  double getPageHeight(int page)
    { return catalog->getPage(page)->getHeight(); }
  int getPageRotate(int page)
    { return catalog->getPage(page)->getRotate(); }

  // Get number of pages.
  int getNumPages() { return catalog->getNumPages(); }

  // Return the contents of the metadata stream, or NULL if there is
  // no metadata.
  GString *readMetadata() { return catalog->readMetadata(); }

  // Return the structure tree root object.
  Object *getStructTreeRoot() { return catalog->getStructTreeRoot(); }

  // Display a page.
  void displayPage(OutputDev *out, int page, double zoom,
		   int rotate, GBool doLinks,
		   GBool (*abortCheckCbk)(void *data) = NULL,
		   void *abortCheckCbkData = NULL,
                   GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data) = NULL,
                   void *annotDisplayDecideCbkData = NULL);

  // Display a range of pages.
  void displayPages(OutputDev *out, int firstPage, int lastPage,
		    int zoom, int rotate, GBool doLinks,
		    GBool (*abortCheckCbk)(void *data) = NULL,
		    void *abortCheckCbkData = NULL,
                    GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data) = NULL,
                    void *annotDisplayDecideCbkData = NULL);

  // Display part of a page.
  void displayPageSlice(OutputDev *out, int page, double zoom,
			int rotate, int sliceX, int sliceY,
			int sliceW, int sliceH,
			GBool (*abortCheckCbk)(void *data) = NULL,
			void *abortCheckCbkData = NULL,
                        GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data) = NULL,
                        void *annotDisplayDecideCbkData = NULL);

  // Find a page, given its object ID.  Returns page number, or 0 if
  // not found.
  int findPage(int num, int gen) { return catalog->findPage(num, gen); }

  // If point <x>,<y> is in a link, return the associated action;
  // else return NULL.
  LinkAction *findLink(double x, double y) { return links->find(x, y); }

  // Return true if <x>,<y> is in a link.
  GBool onLink(double x, double y) { return links->onLink(x, y); }

  // Find a named destination.  Returns the link destination, or
  // NULL if <name> is not a destination.
  LinkDest *findDest(GString *name)
    { return catalog->findDest(name); }

#ifndef DISABLE_OUTLINE
  // Return the outline object.
  Outline *getOutline() { return outline; }
#endif

  // Is the file encrypted?
  GBool isEncrypted() { return xref->isEncrypted(); }

  // Check various permissions.
  GBool okToPrint(GBool ignoreOwnerPW = gFalse)
    { return xref->okToPrint(ignoreOwnerPW); }
  GBool okToChange(GBool ignoreOwnerPW = gFalse)
    { return xref->okToChange(ignoreOwnerPW); }
  GBool okToCopy(GBool ignoreOwnerPW = gFalse)
    { return xref->okToCopy(ignoreOwnerPW); }
  GBool okToAddNotes(GBool ignoreOwnerPW = gFalse)
    { return xref->okToAddNotes(ignoreOwnerPW); }

  // Is this document linearized?
  GBool isLinearized();

  // Return the document's Info dictionary (if any).
  Object *getDocInfo(Object *obj) { return xref->getDocInfo(obj); }
  Object *getDocInfoNF(Object *obj) { return xref->getDocInfoNF(obj); }

  // Return the PDF version specified by the file.
  double getPDFVersion() { return pdfVersion; }

  // Save this file with another name.
  GBool saveAs(GString *name);

private:

  GBool setup(GString *ownerPassword, GString *userPassword);
  void checkHeader();
  void getLinks(Page *page);

  GString *fileName;
  FILE *file;
  BaseStream *str;
  double pdfVersion;
  XRef *xref;
  Catalog *catalog;
  Links *links;
#ifndef DISABLE_OUTLINE
  Outline *outline;
#endif

  GBool ok;
  int errCode;
};

#endif