Exiv2
tiffvisitor_int.hpp
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28 #ifndef TIFFVISITOR_INT_HPP_
29 #define TIFFVISITOR_INT_HPP_
30 
31 // *****************************************************************************
32 // included header files
33 #include "exif.hpp"
34 #include "tifffwd_int.hpp"
35 #include "types.hpp"
36 
37 // + standard includes
38 #include <memory>
39 #include <iostream>
40 #include <iomanip>
41 #include <cassert>
42 #include <map>
43 #include <set>
44 #include <vector>
45 
46 // *****************************************************************************
47 // namespace extensions
48 namespace Exiv2 {
49 
50  class IptcData;
51  class XmpData;
52 
53  namespace Internal {
54 
55 // *****************************************************************************
56 // class definitions
57 
73  class TiffVisitor {
74  public:
76  enum GoEvent {
81  // Note: If you add more events here, adjust the events_ constant too!
82  };
83 
84  private:
85  static const int events_ = 2;
86  bool go_[events_];
87 
88  public:
90 
91  TiffVisitor();
94  virtual ~TiffVisitor();
96 
98 
99 
110  void setGo(GoEvent event, bool go);
112  virtual void visitEntry(TiffEntry* object) =0;
114  virtual void visitDataEntry(TiffDataEntry* object) =0;
116  virtual void visitImageEntry(TiffImageEntry* object) =0;
118  virtual void visitSizeEntry(TiffSizeEntry* object) =0;
120  virtual void visitDirectory(TiffDirectory* object) =0;
125  virtual void visitDirectoryNext(TiffDirectory* object);
130  virtual void visitDirectoryEnd(TiffDirectory* object);
132  virtual void visitSubIfd(TiffSubIfd* object) =0;
134  virtual void visitMnEntry(TiffMnEntry* object) =0;
136  virtual void visitIfdMakernote(TiffIfdMakernote* object) =0;
138  virtual void visitIfdMakernoteEnd(TiffIfdMakernote* object);
140  virtual void visitBinaryArray(TiffBinaryArray* object) =0;
145  virtual void visitBinaryArrayEnd(TiffBinaryArray* object);
147  virtual void visitBinaryElement(TiffBinaryElement* object) =0;
149 
151 
152  bool go(GoEvent event) const;
155 
156  }; // class TiffVisitor
157 
164  class TiffFinder : public TiffVisitor {
165  public:
167 
168  TiffFinder(uint16_t tag, IfdId group)
170  : tag_(tag), group_(group), tiffComponent_(0) {}
172  virtual ~TiffFinder();
174 
176 
177  virtual void visitEntry(TiffEntry* object);
180  virtual void visitDataEntry(TiffDataEntry* object);
182  virtual void visitImageEntry(TiffImageEntry* object);
184  virtual void visitSizeEntry(TiffSizeEntry* object);
186  virtual void visitDirectory(TiffDirectory* object);
188  virtual void visitSubIfd(TiffSubIfd* object);
190  virtual void visitMnEntry(TiffMnEntry* object);
192  virtual void visitIfdMakernote(TiffIfdMakernote* object);
194  virtual void visitBinaryArray(TiffBinaryArray* object);
196  virtual void visitBinaryElement(TiffBinaryElement* object);
197 
199  void findObject(TiffComponent* object);
201  void init(uint16_t tag, IfdId group);
203 
205 
206 
210  TiffComponent* result() const { return tiffComponent_; }
212 
213  private:
214  uint16_t tag_;
215  IfdId group_;
216  TiffComponent* tiffComponent_;
217  }; // class TiffFinder
218 
224  class TiffCopier : public TiffVisitor {
225  public:
227 
228 
236  TiffCopier( TiffComponent* pRoot,
237  uint32_t root,
238  const TiffHeaderBase* pHeader,
239  const PrimaryGroups* pPrimaryGroups);
241  virtual ~TiffCopier();
243 
245 
246  virtual void visitEntry(TiffEntry* object);
249  virtual void visitDataEntry(TiffDataEntry* object);
251  virtual void visitImageEntry(TiffImageEntry* object);
253  virtual void visitSizeEntry(TiffSizeEntry* object);
255  virtual void visitDirectory(TiffDirectory* object);
257  virtual void visitSubIfd(TiffSubIfd* object);
259  virtual void visitMnEntry(TiffMnEntry* object);
261  virtual void visitIfdMakernote(TiffIfdMakernote* object);
263  virtual void visitBinaryArray(TiffBinaryArray* object);
265  virtual void visitBinaryElement(TiffBinaryElement* object);
266 
268  void copyObject(TiffComponent* object);
270 
271  private:
272  TiffComponent* pRoot_;
273  uint32_t root_;
274  const TiffHeaderBase* pHeader_;
275  const PrimaryGroups* pPrimaryGroups_;
276  }; // class TiffCopier
277 
284  class TiffDecoder : public TiffVisitor {
285  public:
287 
288 
293  TiffDecoder(
294  ExifData& exifData,
295  IptcData& iptcData,
296  XmpData& xmpData,
297  TiffComponent* const pRoot,
298  FindDecoderFct findDecoderFct
299  );
301  virtual ~TiffDecoder();
303 
305 
306  virtual void visitEntry(TiffEntry* object);
309  virtual void visitDataEntry(TiffDataEntry* object);
311  virtual void visitImageEntry(TiffImageEntry* object);
313  virtual void visitSizeEntry(TiffSizeEntry* object);
315  virtual void visitDirectory(TiffDirectory* object);
317  virtual void visitSubIfd(TiffSubIfd* object);
319  virtual void visitMnEntry(TiffMnEntry* object);
321  virtual void visitIfdMakernote(TiffIfdMakernote* object);
323  virtual void visitBinaryArray(TiffBinaryArray* object);
325  virtual void visitBinaryElement(TiffBinaryElement* object);
326 
328  void decodeTiffEntry(const TiffEntryBase* object);
330  void decodeStdTiffEntry(const TiffEntryBase* object);
332  void decodeIptc(const TiffEntryBase* object);
334  void decodeXmp(const TiffEntryBase* object);
336  void decodeCanonAFInfo(const TiffEntryBase* object);
338 
339  private:
341 
342 
350  void getObjData(byte const*& pData,
351  long& size,
352  uint16_t tag,
353  IfdId group,
354  const TiffEntryBase* object);
356 
357  private:
358  // DATA
359  ExifData& exifData_;
360  IptcData& iptcData_;
361  XmpData& xmpData_;
362  TiffComponent* const pRoot_;
363  const FindDecoderFct findDecoderFct_;
364  std::string make_;
365  bool decodedIptc_;
366 
367  }; // class TiffDecoder
368 
384  class TiffEncoder : public TiffVisitor {
385  public:
387 
388 
393  TiffEncoder(
394  const ExifData& exifData,
395  const IptcData& iptcData,
396  const XmpData& xmpData,
397  TiffComponent* pRoot,
398  const bool isNewImage,
399  const PrimaryGroups* pPrimaryGroups,
400  const TiffHeaderBase* pHeader,
401  FindEncoderFct findEncoderFct
402  );
404  virtual ~TiffEncoder();
406 
408 
409  virtual void visitEntry(TiffEntry* object);
412  virtual void visitDataEntry(TiffDataEntry* object);
414  virtual void visitImageEntry(TiffImageEntry* object);
416  virtual void visitSizeEntry(TiffSizeEntry* object);
418  virtual void visitDirectory(TiffDirectory* object);
420  virtual void visitDirectoryNext(TiffDirectory* object);
422  virtual void visitSubIfd(TiffSubIfd* object);
424  virtual void visitMnEntry(TiffMnEntry* object);
426  virtual void visitIfdMakernote(TiffIfdMakernote* object);
428  virtual void visitIfdMakernoteEnd(TiffIfdMakernote* object);
430  virtual void visitBinaryArray(TiffBinaryArray* object);
432  virtual void visitBinaryArrayEnd(TiffBinaryArray* object);
434  virtual void visitBinaryElement(TiffBinaryElement* object);
435 
455  void encodeTiffComponent(
456  TiffEntryBase* object,
457  const Exifdatum* datum =0
458  );
459 
461  void encodeBinaryElement(TiffBinaryElement* object, const Exifdatum* datum);
463  void encodeBinaryArray(TiffBinaryArray* object, const Exifdatum* datum);
465  void encodeDataEntry(TiffDataEntry* object, const Exifdatum* datum);
467  void encodeTiffEntry(TiffEntry* object, const Exifdatum* datum);
469  void encodeImageEntry(TiffImageEntry* object, const Exifdatum* datum);
471  void encodeMnEntry(TiffMnEntry* object, const Exifdatum* datum);
473  void encodeSizeEntry(TiffSizeEntry* object, const Exifdatum* datum);
475  void encodeSubIfd(TiffSubIfd* object, const Exifdatum* datum);
476 
478  void encodeTiffEntryBase(TiffEntryBase* object, const Exifdatum* datum);
480  void encodeOffsetEntry(TiffEntryBase* object, const Exifdatum* datum);
481 
483  // Todo void encodeNikonSubIfd(TiffEntryBase* object, const Exifdatum* datum);
484 
486  void encodeIptc(TiffEntryBase* object, const Exifdatum* datum);
499  void add(
500  TiffComponent* pRootDir,
501  TiffComponent* pSourceDir,
502  uint32_t root
503  );
505  void setDirty(bool flag =true);
507 
509 
510 
514  ByteOrder byteOrder() const { return byteOrder_; }
519  bool dirty() const;
521  WriteMethod writeMethod() const { return writeMethod_; }
523 
524  private:
526 
527 
532  void encodeIptc();
537  void encodeXmp();
539 
541 
542 
547  uint32_t updateDirEntry(byte* buf,
549  TiffComponent* pTiffComponent) const;
559  bool isImageTag(uint16_t tag, IfdId group) const;
561 
562  private:
563  // DATA
564  ExifData exifData_;
565  const IptcData& iptcData_;
566  const XmpData& xmpData_;
567  bool del_;
568  const TiffHeaderBase* pHeader_;
569  TiffComponent* pRoot_;
570  const bool isNewImage_;
571  const PrimaryGroups* pPrimaryGroups_;
572  TiffComponent* pSourceTree_;
573  ByteOrder byteOrder_;
574  ByteOrder origByteOrder_;
575  const FindEncoderFct findEncoderFct_;
576  std::string make_;
577  bool dirty_;
578  WriteMethod writeMethod_;
579 
580  }; // class TiffEncoder
581 
588  class TiffRwState {
589  public:
591 
594  uint32_t baseOffset)
595  : byteOrder_(byteOrder),
596  baseOffset_(baseOffset) {}
598 
600 
601 
605  ByteOrder byteOrder() const { return byteOrder_; }
617  uint32_t baseOffset() const { return baseOffset_; }
619 
620  private:
621  ByteOrder byteOrder_;
622  uint32_t baseOffset_;
623  }; // TiffRwState
624 
630  class TiffReader : public TiffVisitor {
631  public:
633 
634 
643  TiffReader(const byte* pData,
644  uint32_t size,
645  TiffComponent* pRoot,
646  TiffRwState state);
647 
649  virtual ~TiffReader();
651 
653 
654  virtual void visitEntry(TiffEntry* object);
657  virtual void visitDataEntry(TiffDataEntry* object);
659  virtual void visitImageEntry(TiffImageEntry* object);
661  virtual void visitSizeEntry(TiffSizeEntry* object);
663  virtual void visitDirectory(TiffDirectory* object);
665  virtual void visitSubIfd(TiffSubIfd* object);
667  virtual void visitMnEntry(TiffMnEntry* object);
669  virtual void visitIfdMakernote(TiffIfdMakernote* object);
671  virtual void visitIfdMakernoteEnd(TiffIfdMakernote* object);
673  virtual void visitBinaryArray(TiffBinaryArray* object);
675  virtual void visitBinaryElement(TiffBinaryElement* object);
676 
678  void readTiffEntry(TiffEntryBase* object);
680  void readDataEntryBase(TiffDataEntryBase* object);
687  void setMnState(const TiffRwState* state =0);
689  void setOrigState();
691  bool circularReference(const byte* start, IfdId group);
693  int nextIdx(IfdId group);
694 
704  void postProcess();
706 
708 
709  ByteOrder byteOrder() const;
712  uint32_t baseOffset() const;
714 
715  private:
716  typedef std::map<const byte*, IfdId> DirList;
717  typedef std::map<uint16_t, int> IdxSeq;
718  typedef std::vector<TiffComponent*> PostList;
719 
720  // DATA
721  const byte* pData_;
722  const uint32_t size_;
723  const byte* pLast_;
724  TiffComponent* const pRoot_;
725  TiffRwState* pState_;
726  TiffRwState origState_;
727  TiffRwState mnState_;
728  DirList dirList_;
729  IdxSeq idxSeq_;
730  PostList postList_;
731  bool postProc_;
732  }; // class TiffReader
733 
734 }} // namespace Internal, Exiv2
735 
736 #endif // #ifndef TIFFVISITOR_INT_HPP_
This class is the basis for Makernote support in TIFF. It contains a pointer to a concrete Makernote...
Definition: tiffcomposite_int.hpp:1073
TIFF composite visitor to read the TIFF structure from a block of memory and build the composite from...
Definition: tiffvisitor_int.hpp:630
void encodeTiffComponent(TiffEntryBase *object, const Exifdatum *datum=0)
Top level encoder function. Determines how to encode each TIFF component. This function is called by ...
Definition: tiffvisitor_int.cpp:891
virtual void visitSubIfd(TiffSubIfd *object)
Decode a TIFF sub-IFD.
Definition: tiffvisitor_int.cpp:337
void encodeIptc(TiffEntryBase *object, const Exifdatum *datum)
Special encoder function to encode SubIFD contents to Image group if it contains primary image data...
void decodeXmp(const TiffEntryBase *object)
Decode XMP packet from an XMLPacket tag.
Definition: tiffvisitor_int.cpp:387
virtual void visitSizeEntry(TiffSizeEntry *object)
Copy a TIFF size entry if it is an image tag.
Definition: tiffvisitor_int.cpp:244
void encodeDataEntry(TiffDataEntry *object, const Exifdatum *datum)
Callback encoder function for a data entry.
Definition: tiffvisitor_int.cpp:961
A container for XMP data. This is a top-level class of the Exiv2 library.
Definition: xmp_exiv2.hpp:173
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Encode an IFD makernote.
Definition: tiffvisitor_int.cpp:804
virtual ~TiffEncoder()
Virtual destructor.
Definition: tiffvisitor_int.cpp:624
virtual void visitEntry(TiffEntry *object)
Encode a TIFF entry.
Definition: tiffvisitor_int.cpp:725
A container for Exif data. This is a top-level class of the Exiv2 library. The container holds Exifda...
Definition: exif.hpp:434
virtual ~TiffDecoder()
Virtual destructor.
Definition: tiffvisitor_int.cpp:308
void encodeSubIfd(TiffSubIfd *object, const Exifdatum *datum)
Callback encoder function for a sub-IFD entry.
Definition: tiffvisitor_int.cpp:1081
virtual void visitIfdMakernoteEnd(TiffIfdMakernote *object)
Operation to perform after processing an IFD makernote.
Definition: tiffvisitor_int.cpp:116
Internal TIFF parser related typedefs and forward definitions.
Composite to model an array of different tags. The tag types as well as other aspects of the array ar...
Definition: tiffcomposite_int.hpp:1356
virtual void visitSubIfd(TiffSubIfd *object)=0
Operation to perform for a TIFF sub-IFD.
ByteOrder
Type to express the byte order (little or big endian)
Definition: types.hpp:113
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Read an IFD makernote from the data buffer.
Definition: tiffvisitor_int.cpp:1488
virtual ~TiffFinder()
Virtual destructor.
Definition: tiffvisitor_int.cpp:132
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Copy an IFD makernote if it is an image tag.
Definition: tiffvisitor_int.cpp:264
virtual void visitBinaryArray(TiffBinaryArray *object)
Encode a binary array.
Definition: tiffvisitor_int.cpp:840
void encodeSizeEntry(TiffSizeEntry *object, const Exifdatum *datum)
Callback encoder function for a size entry.
Definition: tiffvisitor_int.cpp:1076
virtual ~TiffCopier()
Virtual destructor.
Definition: tiffvisitor_int.cpp:208
void readTiffEntry(TiffEntryBase *object)
Read a standard TIFF entry from the data buffer.
Definition: tiffvisitor_int.cpp:1526
virtual void visitImageEntry(TiffImageEntry *object)=0
Operation to perform for a TIFF image entry.
virtual void visitBinaryArray(TiffBinaryArray *object)
Find tag and group in a binary array.
Definition: tiffvisitor_int.cpp:184
void setGo(GoEvent event, bool go)
Set the stop/go flag: true for go, false for stop.
Definition: tiffvisitor_int.cpp:96
virtual void visitDataEntry(TiffDataEntry *object)
Copy a TIFF data entry if it is an image tag.
Definition: tiffvisitor_int.cpp:234
TIFF composite visitor to decode metadata from the TIFF tree and add it to an Image, which is supplied in the constructor (Visitor pattern). Used by TiffParser to decode the metadata from a TIFF composite.
Definition: tiffvisitor_int.hpp:284
virtual void visitMnEntry(TiffMnEntry *object)
Copy a TIFF makernote if it is an image tag.
Definition: tiffvisitor_int.cpp:259
TiffReader(const byte *pData, uint32_t size, TiffComponent *pRoot, TiffRwState state)
Constructor. The data buffer and table describing the TIFF structure of the data are set in the const...
Definition: tiffvisitor_int.cpp:1210
virtual void visitMnEntry(TiffMnEntry *object)
Decode a TIFF makernote.
Definition: tiffvisitor_int.cpp:342
Search the composite for a component with tag and group. Return a pointer to the component or 0...
Definition: tiffvisitor_int.hpp:164
virtual void visitDataEntry(TiffDataEntry *object)
Find tag and group in a TIFF data entry.
Definition: tiffvisitor_int.cpp:149
void decodeTiffEntry(const TiffEntryBase *object)
Entry function, determines how to decode each tag.
Definition: tiffvisitor_int.cpp:538
This abstract base class provides the common functionality of an IFD directory entry and defines an e...
Definition: tiffcomposite_int.hpp:414
DecoderFct(* FindDecoderFct)(const std::string &make, uint32_t extendedTag, IfdId group)
Type for a function pointer for a function to decode a TIFF component.
Definition: tifffwd_int.hpp:92
uint8_t byte
1 byte unsigned integer type.
Definition: types.hpp:105
virtual void visitEntry(TiffEntry *object)
Find tag and group in a TIFF entry.
Definition: tiffvisitor_int.cpp:144
void encodeOffsetEntry(TiffEntryBase *object, const Exifdatum *datum)
Special encoder function for an offset entry.
Definition: tiffvisitor_int.cpp:1111
virtual void visitBinaryElement(TiffBinaryElement *object)
Find tag and group in an element of a binary array.
Definition: tiffvisitor_int.cpp:189
Abstract base class defining the interface of an image header. Used internally by classes for TIFF-ba...
Definition: tiffimage_int.hpp:59
A TIFF IFD entry containing the size of a data area of a related TiffDataEntry. This component is use...
Definition: tiffcomposite_int.hpp:819
virtual void visitDataEntry(TiffDataEntry *object)
Encode a TIFF data entry.
Definition: tiffvisitor_int.cpp:730
void encodeTiffEntry(TiffEntry *object, const Exifdatum *datum)
Callback encoder function for a standard TIFF entry.
Definition: tiffvisitor_int.cpp:993
virtual void visitSizeEntry(TiffSizeEntry *object)
Decode a TIFF size entry.
Definition: tiffvisitor_int.cpp:327
void decodeStdTiffEntry(const TiffEntryBase *object)
Decode a standard TIFF entry.
Definition: tiffvisitor_int.cpp:554
Type definitions for Exiv2 and related functionality.
A container for IPTC data. This is a top-level class of the Exiv2 library.
Definition: iptc.hpp:173
A standard TIFF IFD entry consisting of a value which is an offset to a data area and the data area...
Definition: tiffcomposite_int.hpp:653
void encodeTiffEntryBase(TiffEntryBase *object, const Exifdatum *datum)
Special encoder function for the base part of a TIFF entry.
Definition: tiffvisitor_int.cpp:1086
virtual void visitImageEntry(TiffImageEntry *object)
Encode a TIFF image entry.
Definition: tiffvisitor_int.cpp:735
virtual void visitMnEntry(TiffMnEntry *object)=0
Operation to perform for the makernote component.
WriteMethod
Type to indicate write method used by TIFF parsers.
Definition: types.hpp:116
virtual void visitImageEntry(TiffImageEntry *object)
Copy a TIFF image entry if it is an image tag.
Definition: tiffvisitor_int.cpp:239
This class models a TIFF sub-directory (sub-IFD). A sub-IFD is an entry with one or more values that ...
Definition: tiffcomposite_int.hpp:984
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Decode an IFD makernote.
Definition: tiffvisitor_int.cpp:348
virtual void visitMnEntry(TiffMnEntry *object)
Find tag and group in a TIFF makernote.
Definition: tiffvisitor_int.cpp:174
virtual void visitDirectoryEnd(TiffDirectory *object)
Operation to perform for a TIFF directory, at the end of the processing.
Definition: tiffvisitor_int.cpp:112
virtual void visitBinaryElement(TiffBinaryElement *object)
Copy an element of a binary array if it is an image tag.
Definition: tiffvisitor_int.cpp:274
virtual void visitBinaryArray(TiffBinaryArray *object)
Decode a binary array.
Definition: tiffvisitor_int.cpp:563
void readDataEntryBase(TiffDataEntryBase *object)
Read a TiffDataEntryBase from the data buffer.
Definition: tiffvisitor_int.cpp:1263
Interface class for components of a TIFF directory hierarchy (Composite pattern). Both TIFF directori...
Definition: tiffcomposite_int.hpp:174
virtual void visitImageEntry(TiffImageEntry *object)
Decode a TIFF image entry.
Definition: tiffvisitor_int.cpp:322
WriteMethod writeMethod() const
Return the write method used.
Definition: tiffvisitor_int.hpp:521
void decodeIptc(const TiffEntryBase *object)
Decode IPTC data from an IPTCNAA tag or Photoshop ImageResources.
Definition: tiffvisitor_int.cpp:414
virtual void visitDataEntry(TiffDataEntry *object)=0
Operation to perform for a TIFF data entry.
virtual void visitBinaryElement(TiffBinaryElement *object)
Read an element of a binary array from the data buffer.
Definition: tiffvisitor_int.cpp:1730
Copy all image tags from the source tree (the tree that is traversed) to a target tree...
Definition: tiffvisitor_int.hpp:224
void encodeImageEntry(TiffImageEntry *object, const Exifdatum *datum)
Callback encoder function for an image entry.
Definition: tiffvisitor_int.cpp:998
virtual void visitDirectoryNext(TiffDirectory *object)
Update directory entries.
Definition: tiffvisitor_int.cpp:750
bool circularReference(const byte *start, IfdId group)
Check IFD directory pointer start for circular reference.
Definition: tiffvisitor_int.cpp:1304
void add(TiffComponent *pRootDir, TiffComponent *pSourceDir, uint32_t root)
Add metadata from image to the TIFF composite.
Definition: tiffvisitor_int.cpp:1137
Abstract base class defining the interface for TIFF composite visitors (Visitor pattern) ...
Definition: tiffvisitor_int.hpp:73
virtual void visitIfdMakernoteEnd(TiffIfdMakernote *object)
Reset encoder to its original state, undo makernote specific settings.
Definition: tiffvisitor_int.cpp:833
uint32_t baseOffset() const
Return the base offset.
Definition: tiffvisitor_int.hpp:617
virtual void visitDirectory(TiffDirectory *object)
Decode a TIFF directory.
Definition: tiffvisitor_int.cpp:332
A standard TIFF IFD entry.
Definition: tiffcomposite_int.hpp:566
virtual ~TiffReader()
Virtual destructor.
Definition: tiffvisitor_int.cpp:1228
void postProcess()
Read deferred components.
Definition: tiffvisitor_int.cpp:1323
void encodeBinaryArray(TiffBinaryArray *object, const Exifdatum *datum)
Callback encoder function for a binary array.
Definition: tiffvisitor_int.cpp:951
virtual void visitBinaryArrayEnd(TiffBinaryArray *object)
Operation to perform for a TIFF binary array, at the end of the processing.
Definition: tiffvisitor_int.cpp:120
virtual void visitSizeEntry(TiffSizeEntry *object)=0
Operation to perform for a TIFF size entry.
void setDirty(bool flag=true)
Set the dirty flag and end of traversing signal.
Definition: tiffvisitor_int.cpp:713
virtual ~TiffVisitor()
Virtual destructor.
Definition: tiffvisitor_int.cpp:92
void setOrigState()
Set the state to the original state as set in the constructor.
Definition: tiffvisitor_int.cpp:1232
Signal used by TiffReader to signal an unknown makernote.
Definition: tiffvisitor_int.hpp:80
virtual void visitDataEntry(TiffDataEntry *object)
Decode a TIFF data entry.
Definition: tiffvisitor_int.cpp:317
TiffComponent * result() const
Return the search result. 0 if no TIFF component was found for the tag and group combination.
Definition: tiffvisitor_int.hpp:210
virtual void visitBinaryArray(TiffBinaryArray *object)=0
Operation to perform for a binary array.
virtual void visitBinaryElement(TiffBinaryElement *object)
Encode an element of a binary array.
Definition: tiffvisitor_int.cpp:874
GoEvent
Events for the stop/go flag. See setGo().
Definition: tiffvisitor_int.hpp:76
ByteOrder byteOrder() const
Return the applicable byte order. May be different for the Makernote and the rest of the TIFF entries...
Definition: tiffvisitor_int.hpp:514
virtual void visitIfdMakernoteEnd(TiffIfdMakernote *object)
Reset reader to its original state, undo makernote specific settings.
Definition: tiffvisitor_int.cpp:1520
bool dirty() const
True if any tag was deleted or allocated in the process of visiting a TIFF composite tree...
Definition: tiffvisitor_int.cpp:719
void decodeCanonAFInfo(const TiffEntryBase *object)
Decode Exif.Canon.AFInfo.
Definition: tiffvisitor_int.cpp:472
Interface for a standard TIFF IFD entry consisting of a value which is a set of offsets to a data are...
Definition: tiffcomposite_int.hpp:598
IPTC string type.
Definition: types.hpp:147
virtual void visitDirectory(TiffDirectory *object)=0
Operation to perform for a TIFF directory.
virtual void visitSubIfd(TiffSubIfd *object)
Read a TIFF sub-IFD from the data buffer.
Definition: tiffvisitor_int.cpp:1414
Tiff IFD Makernote. This is a concrete class suitable for all IFD makernotes.
Definition: tiffcomposite_int.hpp:1149
virtual void visitImageEntry(TiffImageEntry *object)
Read a TIFF image entry from the data buffer.
Definition: tiffvisitor_int.cpp:1286
virtual void visitSizeEntry(TiffSizeEntry *object)
Read a TIFF size entry from the data buffer.
Definition: tiffvisitor_int.cpp:1291
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Find tag and group in an IFD makernote.
Definition: tiffvisitor_int.cpp:179
void setMnState(const TiffRwState *state=0)
Set the state of the reader to one suitable for the Makernote.
Definition: tiffvisitor_int.cpp:1237
A standard TIFF IFD entry consisting of a value which is an array of offsets to image data areas...
Definition: tiffcomposite_int.hpp:736
bool go(GoEvent event) const
Check if stop flag for event is clear, return true if it&#39;s clear.
Definition: tiffvisitor_int.cpp:102
virtual void visitDataEntry(TiffDataEntry *object)
Read a TIFF data entry from the data buffer.
Definition: tiffvisitor_int.cpp:1281
virtual void visitImageEntry(TiffImageEntry *object)
Find tag and group in a TIFF image entry.
Definition: tiffvisitor_int.cpp:154
virtual void visitMnEntry(TiffMnEntry *object)
Read a TIFF makernote entry from the data buffer.
Definition: tiffvisitor_int.cpp:1464
virtual void visitSubIfd(TiffSubIfd *object)
Copy a TIFF sub-IFD if it is an image tag.
Definition: tiffvisitor_int.cpp:254
Provides classes and functions to encode and decode Exif and Iptc data. The libexiv2 API consists of ...
Definition: asfvideo.hpp:36
virtual void visitBinaryElement(TiffBinaryElement *object)=0
Operation to perform for an element of a binary array.
This class models a TIFF directory (Ifd). It is a composite component of the TIFF tree...
Definition: tiffcomposite_int.hpp:861
virtual void visitDirectory(TiffDirectory *object)
Copy a TIFF directory if it is an image tag.
Definition: tiffvisitor_int.cpp:249
const uint32_t root
Special tag: root IFD.
Definition: tiffcomposite_int.hpp:80
TIFF composite visitor to encode metadata from an image to the TIFF tree. The metadata containers and...
Definition: tiffvisitor_int.hpp:384
TiffDecoder(ExifData &exifData, IptcData &iptcData, XmpData &xmpData, TiffComponent *const pRoot, FindDecoderFct findDecoderFct)
Constructor, taking metadata containers to add the metadata to, the root element of the composite to ...
Definition: tiffvisitor_int.cpp:279
virtual void visitBinaryElement(TiffBinaryElement *object)
Decode an element of a binary array.
Definition: tiffvisitor_int.cpp:570
virtual void visitBinaryArrayEnd(TiffBinaryArray *object)
Re-encrypt binary array if necessary.
Definition: tiffvisitor_int.cpp:847
Signal to control traversing of the composite tree.
Definition: tiffvisitor_int.hpp:78
An Exif metadatum, consisting of an ExifKey and a Value and methods to manipulate these...
Definition: exif.hpp:59
Element of a TiffBinaryArray.
Definition: tiffcomposite_int.hpp:1495
virtual void visitEntry(TiffEntry *object)
Copy a TIFF entry if it is an image tag.
Definition: tiffvisitor_int.cpp:229
virtual void visitDirectory(TiffDirectory *object)
Encode a TIFF directory.
Definition: tiffvisitor_int.cpp:745
void encodeBinaryElement(TiffBinaryElement *object, const Exifdatum *datum)
Callback encoder function for an element of a binary array.
Definition: tiffvisitor_int.cpp:956
ByteOrder byteOrder() const
Return the byte order.
Definition: tiffvisitor_int.cpp:1251
virtual void visitBinaryArray(TiffBinaryArray *object)
Copy a binary array if it is an image tag.
Definition: tiffvisitor_int.cpp:269
virtual void visitSubIfd(TiffSubIfd *object)
Find tag and group in a TIFF sub-IFD.
Definition: tiffvisitor_int.cpp:169
virtual void visitDirectory(TiffDirectory *object)
Find tag and group in a TIFF directory.
Definition: tiffvisitor_int.cpp:164
virtual void visitDirectoryNext(TiffDirectory *object)
Operation to perform for a TIFF directory, after all components and before the next entry is processe...
Definition: tiffvisitor_int.cpp:108
virtual void visitEntry(TiffEntry *object)
Decode a TIFF entry.
Definition: tiffvisitor_int.cpp:312
virtual void visitSubIfd(TiffSubIfd *object)
Encode a TIFF sub-IFD.
Definition: tiffvisitor_int.cpp:785
virtual void visitDirectory(TiffDirectory *object)
Read a TIFF directory from the data buffer.
Definition: tiffvisitor_int.cpp:1334
std::vector< IfdId > PrimaryGroups
Type for a list of primary image groups.
Definition: tifffwd_int.hpp:114
Encoding and decoding of Exif data.
void copyObject(TiffComponent *object)
Check if object is an image tag and if so, copy it to the target tree.
Definition: tiffvisitor_int.cpp:212
TiffEncoder(const ExifData &exifData, const IptcData &iptcData, const XmpData &xmpData, TiffComponent *pRoot, const bool isNewImage, const PrimaryGroups *pPrimaryGroups, const TiffHeaderBase *pHeader, FindEncoderFct findEncoderFct)
Constructor, taking the root element of the composite to encode to, the image with the metadata to en...
Definition: tiffvisitor_int.cpp:575
uint32_t baseOffset() const
Return the base offset. See class TiffRwState for details.
Definition: tiffvisitor_int.cpp:1257
EncoderFct(* FindEncoderFct)(const std::string &make, uint32_t extendedTag, IfdId group)
Type for a function pointer for a function to encode a TIFF component.
Definition: tifffwd_int.hpp:98
virtual void visitSizeEntry(TiffSizeEntry *object)
Encode a TIFF size entry.
Definition: tiffvisitor_int.cpp:740
TiffCopier(TiffComponent *pRoot, uint32_t root, const TiffHeaderBase *pHeader, const PrimaryGroups *pPrimaryGroups)
Constructor.
Definition: tiffvisitor_int.cpp:194
void encodeMnEntry(TiffMnEntry *object, const Exifdatum *datum)
Callback encoder function for a Makernote entry.
Definition: tiffvisitor_int.cpp:1070
void init(uint16_t tag, IfdId group)
Initialize the Finder for a new search.
Definition: tiffvisitor_int.cpp:124
ByteOrder byteOrder() const
Return the applicable byte order. May be different for the Makernote and the rest of the TIFF entries...
Definition: tiffvisitor_int.hpp:605
IfdId
Type to specify the IFD to which a metadata belongs.
Definition: tags_int.hpp:54
virtual void visitIfdMakernote(TiffIfdMakernote *object)=0
Operation to perform for an IFD makernote.
virtual void visitEntry(TiffEntry *object)=0
Operation to perform for a TIFF entry.
virtual void visitSizeEntry(TiffSizeEntry *object)
Find tag and group in a TIFF size entry.
Definition: tiffvisitor_int.cpp:159
Simple state class containing relevant state information for the TIFF reader. This is in a separate c...
Definition: tiffvisitor_int.hpp:588
virtual void visitMnEntry(TiffMnEntry *object)
Encode a TIFF makernote.
Definition: tiffvisitor_int.cpp:790
TiffRwState(ByteOrder byteOrder, uint32_t baseOffset)
Constructor.
Definition: tiffvisitor_int.hpp:593
TiffFinder(uint16_t tag, IfdId group)
Constructor, taking tag and group of the component to find.
Definition: tiffvisitor_int.hpp:169
virtual void visitBinaryArray(TiffBinaryArray *object)
Read a binary array from the data buffer.
Definition: tiffvisitor_int.cpp:1650
void findObject(TiffComponent *object)
Check if object matches tag and group.
Definition: tiffvisitor_int.cpp:136
int nextIdx(IfdId group)
Return the next idx sequence number for group.
Definition: tiffvisitor_int.cpp:1318
virtual void visitEntry(TiffEntry *object)
Read a TIFF entry from the data buffer.
Definition: tiffvisitor_int.cpp:1276
TiffVisitor()
Default constructor. Initialises all stop/go flags to true.
Definition: tiffvisitor_int.cpp:85