summaryrefslogtreecommitdiff
path: root/core/include/fpdfdoc/fpdf_doc.h
blob: 4712f607060b6858d43257962927d79bb1a09747 (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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
// Copyright 2014 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_INCLUDE_FPDFDOC_FPDF_DOC_H_
#define CORE_INCLUDE_FPDFDOC_FPDF_DOC_H_

#include <map>
#include <vector>

#include "core/include/fpdfapi/fpdf_parser.h"
#include "core/include/fpdfapi/fpdf_render.h"
#include "third_party/base/nonstd_unique_ptr.h"

class CFieldTree;
class CPDF_AAction;
class CPDF_Action;
class CPDF_ActionFields;
class CPDF_Annot;
class CPDF_AnnotList;
class CPDF_ApSettings;
class CPDF_Bookmark;
class CPDF_BookmarkTree;
class CPDF_DefaultAppearance;
class CPDF_Dest;
class CPDF_DocJSActions;
class CPDF_FileSpec;
class CPDF_FormControl;
class CPDF_FormField;
class CPDF_FormNotify;
class CPDF_IconFit;
class CPDF_InterForm;
class CPDF_Link;
class CPDF_Metadata;
class CPDF_NumberTree;
class CPDF_OCContext;
class CPDF_Page;
class CPDF_RenderOptions;
class CPDF_TextObject;
class CPDF_ViewerPreferences;
class CXML_Element;

class CPDF_NameTree {
 public:
  explicit CPDF_NameTree(CPDF_Dictionary* pRoot) { m_pRoot = pRoot; }

  CPDF_NameTree(CPDF_Document* pDoc, const CFX_ByteStringC& category);

  CPDF_Object* LookupValue(int nIndex, CFX_ByteString& csName) const;

  CPDF_Object* LookupValue(const CFX_ByteString& csName) const;

  CPDF_Array* LookupNamedDest(CPDF_Document* pDoc,
                              const CFX_ByteStringC& sName);

  int GetIndex(const CFX_ByteString& csName) const;

  int GetCount() const;

  CPDF_Dictionary* GetRoot() const { return m_pRoot; }

 protected:
  CPDF_Dictionary* m_pRoot;
};
class CPDF_BookmarkTree {
 public:
  explicit CPDF_BookmarkTree(CPDF_Document* pDoc) : m_pDocument(pDoc) {}

  CPDF_Bookmark GetFirstChild(const CPDF_Bookmark& parent) const;

  CPDF_Bookmark GetNextSibling(const CPDF_Bookmark& bookmark) const;

  CPDF_Document* GetDocument() const { return m_pDocument; }

 protected:
  CPDF_Document* m_pDocument;
};
#define PDFBOOKMARK_ITALIC 1
#define PDFBOOKMARK_BOLD 2
class CPDF_Bookmark {
 public:
  CPDF_Bookmark() : m_pDict(NULL) {}

  explicit CPDF_Bookmark(CPDF_Dictionary* pDict) : m_pDict(pDict) {}

  CPDF_Dictionary* GetDict() const { return m_pDict; }

  operator bool() const { return m_pDict != NULL; }

  FX_DWORD GetColorRef() const;

  FX_DWORD GetFontStyle() const;

  CFX_WideString GetTitle() const;

  CPDF_Dest GetDest(CPDF_Document* pDocument) const;

  CPDF_Action GetAction() const;

  CPDF_Dictionary* m_pDict;
};
#define PDFZOOM_XYZ 1
#define PDFZOOM_FITPAGE 2
#define PDFZOOM_FITHORZ 3
#define PDFZOOM_FITVERT 4
#define PDFZOOM_FITRECT 5
#define PDFZOOM_FITBBOX 6
#define PDFZOOM_FITBHORZ 7
#define PDFZOOM_FITBVERT 8
class CPDF_Dest {
 public:
  CPDF_Dest() : m_pObj(nullptr) {}
  explicit CPDF_Dest(CPDF_Object* pObj) : m_pObj(pObj) {}

  operator bool() const { return m_pObj != NULL; }
  CPDF_Object* GetObject() const { return m_pObj; }

  CFX_ByteString GetRemoteName();
  int GetPageIndex(CPDF_Document* pDoc);
  FX_DWORD GetPageObjNum();
  int GetZoomMode();
  FX_FLOAT GetParam(int index);

 protected:
  CPDF_Object* m_pObj;
};
class CPDF_OCContext : public IPDF_OCContext {
 public:
  enum UsageType { View = 0, Design, Print, Export };

  explicit CPDF_OCContext(CPDF_Document* pDoc, UsageType eUsageType = View);
  ~CPDF_OCContext() override;

  CPDF_Document* GetDocument() const { return m_pDocument; }

  UsageType GetUsageType() const { return m_eUsageType; }

  FX_BOOL CheckOCGVisible(const CPDF_Dictionary* pOCGDict) override;

  void ResetOCContext();

 protected:
  FX_BOOL LoadOCGStateFromConfig(const CFX_ByteStringC& csConfig,
                                 const CPDF_Dictionary* pOCGDict,
                                 FX_BOOL& bValidConfig) const;

  FX_BOOL LoadOCGState(const CPDF_Dictionary* pOCGDict) const;

  FX_BOOL GetOCGVisible(const CPDF_Dictionary* pOCGDict);

  FX_BOOL GetOCGVE(CPDF_Array* pExpression,
                   FX_BOOL bFromConfig,
                   int nLevel = 0);

  FX_BOOL LoadOCMDState(const CPDF_Dictionary* pOCMDDict, FX_BOOL bFromConfig);

  CPDF_Document* m_pDocument;

  UsageType m_eUsageType;

  std::map<const CPDF_Dictionary*, FX_BOOL> m_OCGStates;
};

class CPDF_ActionFields {
 public:
  // TODO(thestig): Examine why this cannot be explicit.
  CPDF_ActionFields(const CPDF_Action* pAction) {
    m_pAction = (CPDF_Action*)pAction;
  }

  // TODO(thestig): Replace this.
  operator CPDF_Action*() const { return m_pAction; }

  FX_DWORD GetFieldsCount() const;

  std::vector<CPDF_Object*> GetAllFields() const;

  CPDF_Object* GetField(FX_DWORD iIndex) const;

  CPDF_Action* m_pAction;
};

#define PDFNAMED_NEXTPAGE 1
#define PDFNAMED_PREVPAGE 2
#define PDFNAMED_FIRSTPAGE 3
#define PDFNAMED_LASTPAGE 4
#define PDFJS_MAXLENGTH 64
class CPDF_Action {
 public:
  enum ActionType {
    Unknown = 0,
    GoTo,
    GoToR,
    GoToE,
    Launch,
    Thread,
    URI,
    Sound,
    Movie,
    Hide,
    Named,
    SubmitForm,
    ResetForm,
    ImportData,
    JavaScript,
    SetOCGState,
    Rendition,
    Trans,
    GoTo3DView
  };

  CPDF_Action() : m_pDict(nullptr) {}
  explicit CPDF_Action(CPDF_Dictionary* pDict) : m_pDict(pDict) {}

  operator bool() const { return m_pDict != NULL; }

  CPDF_Dictionary* GetDict() const { return m_pDict; }

  CFX_ByteString GetTypeName() const { return m_pDict->GetString("S"); }

  ActionType GetType() const;

  CPDF_Dest GetDest(CPDF_Document* pDoc) const;

  CFX_WideString GetFilePath() const;

  FX_BOOL GetNewWindow() const { return m_pDict->GetBoolean("NewWindow"); }

  CFX_ByteString GetURI(CPDF_Document* pDoc) const;

  FX_BOOL GetMouseMap() const { return m_pDict->GetBoolean("IsMap"); }

  CPDF_ActionFields GetWidgets() const { return this; }

  FX_BOOL GetHideStatus() const { return m_pDict->GetBoolean("H", TRUE); }

  CFX_ByteString GetNamedAction() const { return m_pDict->GetString("N"); }

  FX_DWORD GetFlags() const { return m_pDict->GetInteger("Flags"); }

  CFX_WideString GetJavaScript() const;

  CPDF_Dictionary* GetAnnot() const;

  int32_t GetOperationType() const;

  CPDF_Stream* GetSoundStream() const { return m_pDict->GetStream("Sound"); }

  FX_FLOAT GetVolume() const { return m_pDict->GetNumber("Volume"); }

  FX_BOOL IsSynchronous() const { return m_pDict->GetBoolean("Synchronous"); }

  FX_BOOL IsRepeat() const { return m_pDict->GetBoolean("Repeat"); }

  FX_BOOL IsMixPlay() const { return m_pDict->GetBoolean("Mix"); }

  FX_DWORD GetSubActionsCount() const;

  CPDF_Action GetSubAction(FX_DWORD iIndex) const;

 protected:
  CPDF_Dictionary* m_pDict;
};
class CPDF_AAction {
 public:
  // TODO(thestig): Examine why this cannot be explicit.
  CPDF_AAction(CPDF_Dictionary* pDict = NULL) { m_pDict = pDict; }

  operator CPDF_Dictionary*() const { return m_pDict; }

  enum AActionType {
    CursorEnter = 0,
    CursorExit,
    ButtonDown,
    ButtonUp,
    GetFocus,
    LoseFocus,
    PageOpen,
    PageClose,
    PageVisible,
    PageInvisible,
    OpenPage,
    ClosePage,
    KeyStroke,
    Format,
    Validate,
    Calculate,
    CloseDocument,
    SaveDocument,
    DocumentSaved,
    PrintDocument,
    DocumentPrinted
  };

  FX_BOOL ActionExist(AActionType eType) const;

  CPDF_Action GetAction(AActionType eType) const;

  FX_POSITION GetStartPos() const;

  CPDF_Action GetNextAction(FX_POSITION& pos, AActionType& eType) const;

  CPDF_Dictionary* m_pDict;
};
class CPDF_DocJSActions {
 public:
  explicit CPDF_DocJSActions(CPDF_Document* pDoc);

  int CountJSActions() const;

  CPDF_Action GetJSAction(int index, CFX_ByteString& csName) const;

  CPDF_Action GetJSAction(const CFX_ByteString& csName) const;

  int FindJSAction(const CFX_ByteString& csName) const;

  CPDF_Document* GetDocument() const { return m_pDocument; }

 protected:
  CPDF_Document* const m_pDocument;
};
class CPDF_FileSpec {
 public:
  CPDF_FileSpec();

  explicit CPDF_FileSpec(CPDF_Object* pObj) { m_pObj = pObj; }

  operator CPDF_Object*() const { return m_pObj; }

  FX_BOOL IsURL() const;

  FX_BOOL GetFileName(CFX_WideString& wsFileName) const;

  CPDF_Stream* GetFileStream() const;

  void SetFileName(const CFX_WideStringC& wsFileName, FX_BOOL bURL = FALSE);

 protected:
  CPDF_Object* m_pObj;
};

class CPDF_LinkList {
 public:
  CPDF_LinkList();
  ~CPDF_LinkList();

  CPDF_Link GetLinkAtPoint(CPDF_Page* pPage,
                           FX_FLOAT pdf_x,
                           FX_FLOAT pdf_y,
                           int* z_order);

 private:
  const std::vector<CPDF_Dictionary*>* GetPageLinks(CPDF_Page* pPage);

  void LoadPageLinks(CPDF_Page* pPage, std::vector<CPDF_Dictionary*>* pList);

  std::map<FX_DWORD, std::vector<CPDF_Dictionary*>> m_PageMap;
};

class CPDF_Link {
 public:
  CPDF_Link() : m_pDict(nullptr) {}
  explicit CPDF_Link(CPDF_Dictionary* pDict) : m_pDict(pDict) {}

  CPDF_Dictionary* GetDict() const { return m_pDict; }

  CFX_FloatRect GetRect();
  CPDF_Dest GetDest(CPDF_Document* pDoc);
  CPDF_Action GetAction();

 protected:
  CPDF_Dictionary* m_pDict;
};

#define ANNOTFLAG_INVISIBLE 0x0001
#define ANNOTFLAG_HIDDEN 0x0002
#define ANNOTFLAG_PRINT 0x0004
#define ANNOTFLAG_NOZOOM 0x0008
#define ANNOTFLAG_NOROTATE 0x0010
#define ANNOTFLAG_NOVIEW 0x0020
#define ANNOTFLAG_READONLY 0x0040
#define ANNOTFLAG_LOCKED 0x0080
#define ANNOTFLAG_TOGGLENOVIEW 0x0100

class CPDF_Annot : public CFX_PrivateData {
 public:
  enum AppearanceMode { Normal, Rollover, Down };

  CPDF_Annot(CPDF_Dictionary* pDict, CPDF_AnnotList* pList);
  ~CPDF_Annot();

  CFX_ByteString GetSubType() const;

  FX_DWORD GetFlags() const;

  void GetRect(CFX_FloatRect& rect) const;

  const CPDF_Dictionary* GetAnnotDict() const { return m_pAnnotDict; }
  CPDF_Dictionary* GetAnnotDict() { return m_pAnnotDict; }

  FX_BOOL DrawAppearance(CPDF_Page* pPage,
                         CFX_RenderDevice* pDevice,
                         const CFX_Matrix* pUser2Device,
                         AppearanceMode mode,
                         const CPDF_RenderOptions* pOptions);

  FX_BOOL DrawInContext(const CPDF_Page* pPage,
                        CPDF_RenderContext* pContext,
                        const CFX_Matrix* pUser2Device,
                        AppearanceMode mode);

  void ClearCachedAP();

  void DrawBorder(CFX_RenderDevice* pDevice,
                  const CFX_Matrix* pUser2Device,
                  const CPDF_RenderOptions* pOptions);

  CPDF_Form* GetAPForm(const CPDF_Page* pPage, AppearanceMode mode);

 private:
  CPDF_Dictionary* const m_pAnnotDict;
  CPDF_AnnotList* const m_pList;
  const CFX_ByteString m_sSubtype;
  std::map<CPDF_Stream*, CPDF_Form*> m_APMap;
};

class CPDF_AnnotList {
 public:
  explicit CPDF_AnnotList(CPDF_Page* pPage);
  ~CPDF_AnnotList();

  void DisplayAnnots(CPDF_Page* pPage,
                     CPDF_RenderContext* pContext,
                     FX_BOOL bPrinting,
                     CFX_Matrix* pMatrix,
                     FX_BOOL bShowWidget,
                     CPDF_RenderOptions* pOptions) {
    DisplayAnnots(pPage, nullptr, pContext, bPrinting, pMatrix,
                  bShowWidget ? 3 : 1, pOptions, nullptr);
  }
  void DisplayAnnots(CPDF_Page* pPage,
                     CFX_RenderDevice* pDevice,
                     CPDF_RenderContext* pContext,
                     FX_BOOL bPrinting,
                     CFX_Matrix* pMatrix,
                     FX_DWORD dwAnnotFlags,
                     CPDF_RenderOptions* pOptions,
                     FX_RECT* pClipRect);
  size_t Count() const { return m_AnnotList.size(); }
  CPDF_Annot* GetAt(size_t index) const { return m_AnnotList[index]; }
  const std::vector<CPDF_Annot*>& All() const { return m_AnnotList; }
  CPDF_Document* GetDocument() const { return m_pDocument; }

 protected:
  void DisplayPass(CPDF_Page* pPage,
                   CFX_RenderDevice* pDevice,
                   CPDF_RenderContext* pContext,
                   FX_BOOL bPrinting,
                   CFX_Matrix* pMatrix,
                   FX_BOOL bWidget,
                   CPDF_RenderOptions* pOptions,
                   FX_RECT* clip_rect);

  CPDF_Document* const m_pDocument;
  std::vector<CPDF_Annot*> m_AnnotList;
};

#define COLORTYPE_TRANSPARENT 0
#define COLORTYPE_GRAY 1
#define COLORTYPE_RGB 2
#define COLORTYPE_CMYK 3
class CPDF_DefaultAppearance {
 public:
  // TODO(thestig): Examine why this cannot be explicit.
  CPDF_DefaultAppearance(const CFX_ByteString& csDA = "") { m_csDA = csDA; }

  CPDF_DefaultAppearance(const CPDF_DefaultAppearance& cDA) {
    m_csDA = (CFX_ByteString)(CPDF_DefaultAppearance&)cDA;
  }

  operator CFX_ByteString() const { return m_csDA; }

  const CPDF_DefaultAppearance& operator=(const CFX_ByteString& csDA) {
    m_csDA = csDA;
    return *this;
  }

  const CPDF_DefaultAppearance& operator=(const CPDF_DefaultAppearance& cDA) {
    m_csDA = (CFX_ByteString)(CPDF_DefaultAppearance&)cDA;
    return *this;
  }

  FX_BOOL HasFont();

  CFX_ByteString GetFontString();

  void GetFont(CFX_ByteString& csFontNameTag, FX_FLOAT& fFontSize);

  FX_BOOL HasColor(FX_BOOL bStrokingOperation = FALSE);

  CFX_ByteString GetColorString(FX_BOOL bStrokingOperation = FALSE);

  void GetColor(int& iColorType,
                FX_FLOAT fc[4],
                FX_BOOL bStrokingOperation = FALSE);

  void GetColor(FX_ARGB& color,
                int& iColorType,
                FX_BOOL bStrokingOperation = FALSE);

  FX_BOOL HasTextMatrix();

  CFX_ByteString GetTextMatrixString();

  CFX_Matrix GetTextMatrix();

 protected:
  CFX_ByteString m_csDA;
};
#define FIELDTYPE_UNKNOWN 0
#define FIELDTYPE_PUSHBUTTON 1
#define FIELDTYPE_CHECKBOX 2
#define FIELDTYPE_RADIOBUTTON 3
#define FIELDTYPE_COMBOBOX 4
#define FIELDTYPE_LISTBOX 5
#define FIELDTYPE_TEXTFIELD 6
#define FIELDTYPE_SIGNATURE 7
class CPDF_InterForm : public CFX_PrivateData {
 public:
  CPDF_InterForm(CPDF_Document* pDocument, FX_BOOL bUpdateAP);
  ~CPDF_InterForm();

  static void EnableUpdateAP(FX_BOOL bUpdateAP);

  static FX_BOOL UpdatingAPEnabled();

  static CFX_ByteString GenerateNewResourceName(const CPDF_Dictionary* pResDict,
                                                const FX_CHAR* csType,
                                                int iMinLen = 2,
                                                const FX_CHAR* csPrefix = "");

  static CPDF_Font* AddStandardFont(CPDF_Document* pDocument,
                                    CFX_ByteString csFontName);

  static CFX_ByteString GetNativeFont(uint8_t iCharSet, void* pLogFont = NULL);

  static CFX_ByteString GetNativeFont(void* pLogFont = NULL);

  static uint8_t GetNativeCharSet();

  static CPDF_Font* AddNativeFont(uint8_t iCharSet, CPDF_Document* pDocument);

  static CPDF_Font* AddNativeFont(CPDF_Document* pDocument);

  FX_BOOL ValidateFieldName(CFX_WideString& csNewFieldName, int iType);

  FX_BOOL ValidateFieldName(const CPDF_FormField* pField,
                            CFX_WideString& csNewFieldName);

  FX_BOOL ValidateFieldName(const CPDF_FormControl* pControl,
                            CFX_WideString& csNewFieldName);

  FX_DWORD CountFields(const CFX_WideString& csFieldName = L"");

  CPDF_FormField* GetField(FX_DWORD index,
                           const CFX_WideString& csFieldName = L"");

  void GetAllFieldNames(CFX_WideStringArray& allFieldNames);

  CPDF_FormField* GetFieldByDict(CPDF_Dictionary* pFieldDict) const;

  CPDF_FormControl* GetControlAtPoint(CPDF_Page* pPage,
                                      FX_FLOAT pdf_x,
                                      FX_FLOAT pdf_y,
                                      int* z_order) const;

  CPDF_FormControl* GetControlByDict(const CPDF_Dictionary* pWidgetDict) const;

  CPDF_Document* GetDocument() const { return m_pDocument; }

  CPDF_Dictionary* GetFormDict() const { return m_pFormDict; }

  FX_BOOL NeedConstructAP();

  void NeedConstructAP(FX_BOOL bNeedAP);

  int CountFieldsInCalculationOrder();

  CPDF_FormField* GetFieldInCalculationOrder(int index);

  int FindFieldInCalculationOrder(const CPDF_FormField* pField);

  FX_DWORD CountFormFonts();

  CPDF_Font* GetFormFont(FX_DWORD index, CFX_ByteString& csNameTag);

  CPDF_Font* GetFormFont(CFX_ByteString csNameTag);

  CPDF_Font* GetFormFont(CFX_ByteString csFontName, CFX_ByteString& csNameTag);

  CPDF_Font* GetNativeFormFont(uint8_t iCharSet, CFX_ByteString& csNameTag);

  CPDF_Font* GetNativeFormFont(CFX_ByteString& csNameTag);

  FX_BOOL FindFormFont(const CPDF_Font* pFont, CFX_ByteString& csNameTag);

  FX_BOOL FindFormFont(CFX_ByteString csFontName,
                       CPDF_Font*& pFont,
                       CFX_ByteString& csNameTag);

  inline FX_BOOL FindFormFont(CFX_WideString csFontName,
                              CPDF_Font*& pFont,
                              CFX_ByteString& csNameTag) {
    return FindFormFont(PDF_EncodeText(csFontName), pFont, csNameTag);
  }

  void AddFormFont(const CPDF_Font* pFont, CFX_ByteString& csNameTag);

  CPDF_Font* AddNativeFormFont(uint8_t iCharSet, CFX_ByteString& csNameTag);

  CPDF_Font* AddNativeFormFont(CFX_ByteString& csNameTag);

  void RemoveFormFont(const CPDF_Font* pFont);

  void RemoveFormFont(CFX_ByteString csNameTag);

  CPDF_DefaultAppearance GetDefaultAppearance();

  CPDF_Font* GetDefaultFormFont();

  int GetFormAlignment();

  CPDF_FormField* CheckRequiredFields(
      const std::vector<CPDF_FormField*>* fields,
      bool bIncludeOrExclude) const;

  CFDF_Document* ExportToFDF(const CFX_WideStringC& pdf_path,
                             bool bSimpleFileSpec = false) const;

  CFDF_Document* ExportToFDF(const CFX_WideStringC& pdf_path,
                             const std::vector<CPDF_FormField*>& fields,
                             bool bIncludeOrExclude = true,
                             bool bSimpleFileSpec = false) const;

  FX_BOOL ImportFromFDF(const CFDF_Document* pFDFDoc, FX_BOOL bNotify = FALSE);

  bool ResetForm(const std::vector<CPDF_FormField*>& fields,
                 bool bIncludeOrExclude = true,
                 bool bNotify = false);

  bool ResetForm(bool bNotify = false);

  CPDF_FormNotify* GetFormNotify() const { return m_pFormNotify; }

  void SetFormNotify(const CPDF_FormNotify* pNotify);

  FX_BOOL IsUpdated() { return m_bUpdated; }

  void ClearUpdatedFlag() { m_bUpdated = FALSE; }

  FX_BOOL HasXFAForm() const;

  void FixPageFields(const CPDF_Page* pPage);

 protected:
  static FX_BOOL m_bUpdateAP;

  void LoadField(CPDF_Dictionary* pFieldDict, int nLevel = 0);

  CPDF_Object* GetFieldAttr(CPDF_Dictionary* pFieldDict, const FX_CHAR* name);

  CPDF_FormField* AddTerminalField(CPDF_Dictionary* pFieldDict);

  CPDF_FormControl* AddControl(const CPDF_FormField* pField,
                               CPDF_Dictionary* pWidgetDict);

  void FDF_ImportField(CPDF_Dictionary* pField,
                       const CFX_WideString& parent_name,
                       FX_BOOL bNotify = FALSE,
                       int nLevel = 0);

  FX_BOOL ValidateFieldName(CFX_WideString& csNewFieldName,
                            int iType,
                            const CPDF_FormField* pExcludedField,
                            const CPDF_FormControl* pExcludedControl);

  int CompareFieldName(const CFX_WideString& name1,
                       const CFX_WideString& name2);

  int CompareFieldName(const CFX_ByteString& name1,
                       const CFX_ByteString& name2);

  CPDF_Document* const m_pDocument;

  FX_BOOL m_bGenerateAP;

  CPDF_Dictionary* m_pFormDict;

  std::map<const CPDF_Dictionary*, CPDF_FormControl*> m_ControlMap;

  nonstd::unique_ptr<CFieldTree> m_pFieldTree;

  CFX_ByteString m_bsEncoding;

  CPDF_FormNotify* m_pFormNotify;

  FX_BOOL m_bUpdated;
  friend class CPDF_FormControl;
  friend class CPDF_FormField;
};
#define FORMFIELD_READONLY 0x01
#define FORMFIELD_REQUIRED 0x02
#define FORMFIELD_NOEXPORT 0x04
#define FORMRADIO_NOTOGGLEOFF 0x100
#define FORMRADIO_UNISON 0x200
#define FORMTEXT_MULTILINE 0x100
#define FORMTEXT_PASSWORD 0x200
#define FORMTEXT_NOSCROLL 0x400
#define FORMTEXT_COMB 0x800
#define FORMCOMBO_EDIT 0x100
#define FORMLIST_MULTISELECT 0x100
class CPDF_FormField {
 public:
  enum Type {
    Unknown,
    PushButton,
    RadioButton,
    CheckBox,
    Text,
    RichText,
    File,
    ListBox,
    ComboBox,
    Sign
  };

  CFX_WideString GetFullName();

  Type GetType() { return m_Type; }

  FX_DWORD GetFlags() { return m_Flags; }

  CPDF_Dictionary* GetFieldDict() const { return m_pDict; }

  void SetFieldDict(CPDF_Dictionary* pDict) { m_pDict = pDict; }

  FX_BOOL ResetField(FX_BOOL bNotify = FALSE);

  int CountControls() { return m_ControlList.GetSize(); }

  CPDF_FormControl* GetControl(int index) { return m_ControlList.GetAt(index); }

  int GetControlIndex(const CPDF_FormControl* pControl);

  int GetFieldType();

  CPDF_AAction GetAdditionalAction();

  CFX_WideString GetAlternateName();

  CFX_WideString GetMappingName();

  FX_DWORD GetFieldFlags();

  CFX_ByteString GetDefaultStyle();

  CFX_WideString GetRichTextString();

  CFX_WideString GetValue();

  CFX_WideString GetDefaultValue();

  FX_BOOL SetValue(const CFX_WideString& value, FX_BOOL bNotify = FALSE);

  int GetMaxLen();

  int CountSelectedItems();

  int GetSelectedIndex(int index);

  FX_BOOL ClearSelection(FX_BOOL bNotify = FALSE);

  FX_BOOL IsItemSelected(int index);

  FX_BOOL SetItemSelection(int index,
                           FX_BOOL bSelected,
                           FX_BOOL bNotify = FALSE);

  FX_BOOL IsItemDefaultSelected(int index);

  int GetDefaultSelectedItem();

  int CountOptions();

  CFX_WideString GetOptionLabel(int index);

  CFX_WideString GetOptionValue(int index);

  int FindOption(CFX_WideString csOptLabel);

  int FindOptionValue(const CFX_WideString& csOptValue, int iStartIndex = 0);

  FX_BOOL CheckControl(int iControlIndex,
                       FX_BOOL bChecked,
                       FX_BOOL bNotify = FALSE);

  int GetTopVisibleIndex();

  int CountSelectedOptions();

  int GetSelectedOptionIndex(int index);

  FX_BOOL IsOptionSelected(int iOptIndex);

  FX_BOOL SelectOption(int iOptIndex,
                       FX_BOOL bSelected,
                       FX_BOOL bNotify = FALSE);

  FX_BOOL ClearSelectedOptions(FX_BOOL bNotify = FALSE);

  FX_FLOAT GetFontSize() { return m_FontSize; }

  CPDF_Font* GetFont() { return m_pFont; }

 protected:
  CPDF_FormField(CPDF_InterForm* pForm, CPDF_Dictionary* pDict);
  ~CPDF_FormField();

  CFX_WideString GetValue(FX_BOOL bDefault);

  FX_BOOL SetValue(const CFX_WideString& value,
                   FX_BOOL bDefault,
                   FX_BOOL bNotify);

  void SyncFieldFlags();

  int FindListSel(CPDF_String* str);

  CFX_WideString GetOptionText(int index, int sub_index);

  void LoadDA();

  void UpdateAP(CPDF_FormControl* pControl);

  CFX_WideString GetCheckValue(FX_BOOL bDefault);

  FX_BOOL SetCheckValue(const CFX_WideString& value,
                        FX_BOOL bDefault,
                        FX_BOOL bNotify);

  CPDF_FormField::Type m_Type;
  FX_DWORD m_Flags;
  CPDF_InterForm* m_pForm;
  CPDF_Dictionary* m_pDict;
  CFX_ArrayTemplate<CPDF_FormControl*> m_ControlList;
  FX_FLOAT m_FontSize;
  CPDF_Font* m_pFont;

  friend class CPDF_InterForm;
  friend class CPDF_FormControl;
};
CPDF_Object* FPDF_GetFieldAttr(CPDF_Dictionary* pFieldDict,
                               const FX_CHAR* name,
                               int nLevel = 0);
class CPDF_IconFit {
 public:
  // TODO(thestig): Examine why this cannot be explicit.
  CPDF_IconFit(CPDF_Dictionary* pDict = NULL) { m_pDict = pDict; }

  operator CPDF_Dictionary*() const { return m_pDict; }

  enum ScaleMethod { Always = 0, Bigger, Smaller, Never };

  ScaleMethod GetScaleMethod();

  FX_BOOL IsProportionalScale();

  void GetIconPosition(FX_FLOAT& fLeft, FX_FLOAT& fBottom);

  FX_BOOL GetFittingBounds();

  CPDF_Dictionary* m_pDict;
};

#define TEXTPOS_CAPTION 0
#define TEXTPOS_ICON 1
#define TEXTPOS_BELOW 2
#define TEXTPOS_ABOVE 3
#define TEXTPOS_RIGHT 4
#define TEXTPOS_LEFT 5
#define TEXTPOS_OVERLAID 6
class CPDF_FormControl {
 public:
  CPDF_FormField::Type GetType() { return m_pField->GetType(); }

  CPDF_InterForm* GetInterForm() const { return m_pForm; }

  CPDF_FormField* GetField() const { return m_pField; }

  CPDF_Dictionary* GetWidget() const { return m_pWidgetDict; }

  CFX_FloatRect GetRect() const;

  void DrawControl(CFX_RenderDevice* pDevice,
                   CFX_Matrix* pMatrix,
                   CPDF_Page* pPage,
                   CPDF_Annot::AppearanceMode mode,
                   const CPDF_RenderOptions* pOptions = NULL);

  CFX_ByteString GetCheckedAPState();

  CFX_WideString GetExportValue();

  FX_BOOL IsChecked();

  FX_BOOL IsDefaultChecked();

  enum HighlightingMode { None = 0, Invert, Outline, Push, Toggle };

  HighlightingMode GetHighlightingMode();

  bool HasMKEntry(CFX_ByteString csEntry) const;

  int GetRotation();

  inline FX_ARGB GetBorderColor(int& iColorType) {
    return GetColor(iColorType, "BC");
  }

  FX_FLOAT GetOriginalBorderColor(int index) {
    return GetOriginalColor(index, "BC");
  }

  void GetOriginalBorderColor(int& iColorType, FX_FLOAT fc[4]) {
    GetOriginalColor(iColorType, fc, "BC");
  }

  FX_ARGB GetBackgroundColor(int& iColorType) {
    return GetColor(iColorType, "BG");
  }

  FX_FLOAT GetOriginalBackgroundColor(int index) {
    return GetOriginalColor(index, "BG");
  }

  void GetOriginalBackgroundColor(int& iColorType, FX_FLOAT fc[4]) {
    GetOriginalColor(iColorType, fc, "BG");
  }

  CFX_WideString GetNormalCaption() { return GetCaption("CA"); }

  CFX_WideString GetRolloverCaption() { return GetCaption("RC"); }

  CFX_WideString GetDownCaption() { return GetCaption("AC"); }

  CPDF_Stream* GetNormalIcon() { return GetIcon("I"); }

  CPDF_Stream* GetRolloverIcon() { return GetIcon("RI"); }

  CPDF_Stream* GetDownIcon() { return GetIcon("IX"); }

  CPDF_IconFit GetIconFit();

  int GetTextPosition();

  CPDF_Action GetAction();

  CPDF_AAction GetAdditionalAction();

  CPDF_DefaultAppearance GetDefaultAppearance();

  CPDF_Font* GetDefaultControlFont();

  int GetControlAlignment();

 protected:
  CPDF_FormControl(CPDF_FormField* pField, CPDF_Dictionary* pWidgetDict);

  CFX_ByteString GetOnStateName();

  void SetOnStateName(const CFX_ByteString& csOn);

  void CheckControl(FX_BOOL bChecked);

  FX_ARGB GetColor(int& iColorType, CFX_ByteString csEntry);

  FX_FLOAT GetOriginalColor(int index, CFX_ByteString csEntry);

  void GetOriginalColor(int& iColorType,
                        FX_FLOAT fc[4],
                        CFX_ByteString csEntry);

  CFX_WideString GetCaption(CFX_ByteString csEntry);

  CPDF_Stream* GetIcon(CFX_ByteString csEntry);

  CPDF_ApSettings GetMK() const;

  CPDF_InterForm* m_pForm;

  CPDF_FormField* m_pField;

  CPDF_Dictionary* m_pWidgetDict;
  friend class CPDF_InterForm;
  friend class CPDF_FormField;
};
class CPDF_FormNotify {
 public:
  virtual ~CPDF_FormNotify() {}

  virtual int BeforeValueChange(const CPDF_FormField* pField,
                                CFX_WideString& csValue) {
    return 0;
  }

  virtual int AfterValueChange(const CPDF_FormField* pField) { return 0; }

  virtual int BeforeSelectionChange(const CPDF_FormField* pField,
                                    CFX_WideString& csValue) {
    return 0;
  }

  virtual int AfterSelectionChange(const CPDF_FormField* pField) { return 0; }

  virtual int AfterCheckedStatusChange(const CPDF_FormField* pField,
                                       const CFX_ByteArray& statusArray) {
    return 0;
  }

  virtual int BeforeFormReset(const CPDF_InterForm* pForm) { return 0; }

  virtual int AfterFormReset(const CPDF_InterForm* pForm) { return 0; }

  virtual int BeforeFormImportData(const CPDF_InterForm* pForm) { return 0; }

  virtual int AfterFormImportData(const CPDF_InterForm* pForm) { return 0; }
};
FX_BOOL FPDF_GenerateAP(CPDF_Document* pDoc, CPDF_Dictionary* pAnnotDict);
class CPDF_PageLabel {
 public:
  explicit CPDF_PageLabel(CPDF_Document* pDocument) { m_pDocument = pDocument; }

  CFX_WideString GetLabel(int nPage) const;

  int32_t GetPageByLabel(const CFX_ByteStringC& bsLabel) const;

  int32_t GetPageByLabel(const CFX_WideStringC& wsLabel) const;

 protected:
  CPDF_Document* m_pDocument;
};

class CPDF_Metadata {
 public:
  explicit CPDF_Metadata(CPDF_Document* pDoc);
  ~CPDF_Metadata();

  const CXML_Element* GetRoot() const;

 private:
  nonstd::unique_ptr<CXML_Element> m_pXmlElement;
};

class CPDF_ViewerPreferences {
 public:
  explicit CPDF_ViewerPreferences(CPDF_Document* pDoc);

  ~CPDF_ViewerPreferences();

  FX_BOOL IsDirectionR2L() const;

  FX_BOOL PrintScaling() const;

  int32_t NumCopies() const;

  CPDF_Array* PrintPageRange() const;

  CFX_ByteString Duplex() const;

 protected:
  CPDF_Document* const m_pDoc;
};

class CPDF_ApSettings {
 public:
  explicit CPDF_ApSettings(CPDF_Dictionary* pDict);

  bool HasMKEntry(const CFX_ByteStringC& csEntry) const;
  int GetRotation() const;

  FX_ARGB GetBorderColor(int& iColorType) const {
    return GetColor(iColorType, "BC");
  }

  FX_FLOAT GetOriginalBorderColor(int index) const {
    return GetOriginalColor(index, "BC");
  }

  void GetOriginalBorderColor(int& iColorType, FX_FLOAT fc[4]) const {
    GetOriginalColor(iColorType, fc, "BC");
  }

  FX_ARGB GetBackgroundColor(int& iColorType) const {
    return GetColor(iColorType, "BG");
  }

  FX_FLOAT GetOriginalBackgroundColor(int index) const {
    return GetOriginalColor(index, "BG");
  }

  void GetOriginalBackgroundColor(int& iColorType, FX_FLOAT fc[4]) const {
    GetOriginalColor(iColorType, fc, "BG");
  }

  CFX_WideString GetNormalCaption() const { return GetCaption("CA"); }

  CFX_WideString GetRolloverCaption() const { return GetCaption("RC"); }

  CFX_WideString GetDownCaption() const { return GetCaption("AC"); }

  CPDF_Stream* GetNormalIcon() const { return GetIcon("I"); }

  CPDF_Stream* GetRolloverIcon() const { return GetIcon("RI"); }

  CPDF_Stream* GetDownIcon() const { return GetIcon("IX"); }

  CPDF_IconFit GetIconFit() const;

  int GetTextPosition() const;

 protected:
  friend class CPDF_FormControl;

  FX_ARGB GetColor(int& iColorType, const CFX_ByteStringC& csEntry) const;

  FX_FLOAT GetOriginalColor(int index, const CFX_ByteStringC& csEntry) const;

  void GetOriginalColor(int& iColorType,
                        FX_FLOAT fc[4],
                        const CFX_ByteStringC& csEntry) const;

  CFX_WideString GetCaption(const CFX_ByteStringC& csEntry) const;

  CPDF_Stream* GetIcon(const CFX_ByteStringC& csEntry) const;

  CPDF_Dictionary* const m_pDict;
};

CFX_WideString FILESPEC_EncodeFileName(const CFX_WideStringC& filepath);

#endif  // CORE_INCLUDE_FPDFDOC_FPDF_DOC_H_