Exiv2
tiffvisitor_int.hpp
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1// ***************************************************************** -*- C++ -*-
2/*
3 * Copyright (C) 2004-2018 Exiv2 authors
4 * This program is part of the Exiv2 distribution.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
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11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
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18 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
19 */
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
48namespace Exiv2 {
49
50 class IptcData;
51 class XmpData;
52
53 namespace Internal {
54
55// *****************************************************************************
56// class definitions
57
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
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
153 bool go(GoEvent event) const;
155
156 }; // class TiffVisitor
157
164 class TiffFinder : public TiffVisitor {
165 public:
167
168
169 TiffFinder(uint16_t tag, IfdId group)
170 : tag_(tag), group_(group), tiffComponent_(0) {}
172 virtual ~TiffFinder();
174
176
177
178 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
237 uint32_t root,
238 const TiffHeaderBase* pHeader,
239 const PrimaryGroups* pPrimaryGroups);
241 virtual ~TiffCopier();
243
245
246
247 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
294 ExifData& exifData,
295 IptcData& iptcData,
296 XmpData& xmpData,
297 TiffComponent* const pRoot,
298 FindDecoderFct findDecoderFct
299 );
301 virtual ~TiffDecoder();
303
305
306
307 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
337 private:
339
340
348 void getObjData(byte const*& pData,
349 long& size,
350 uint16_t tag,
351 IfdId group,
352 const TiffEntryBase* object);
354
355 private:
356 // DATA
357 ExifData& exifData_;
358 IptcData& iptcData_;
359 XmpData& xmpData_;
360 TiffComponent* const pRoot_;
361 const FindDecoderFct findDecoderFct_;
362 std::string make_;
363 bool decodedIptc_;
364
365 }; // class TiffDecoder
366
382 class TiffEncoder : public TiffVisitor {
383 public:
385
386
392 const ExifData& exifData,
393 const IptcData& iptcData,
394 const XmpData& xmpData,
395 TiffComponent* pRoot,
396 const bool isNewImage,
397 const PrimaryGroups* pPrimaryGroups,
398 const TiffHeaderBase* pHeader,
399 FindEncoderFct findEncoderFct
400 );
402 virtual ~TiffEncoder();
404
406
407
408 virtual void visitEntry(TiffEntry* object);
410 virtual void visitDataEntry(TiffDataEntry* object);
412 virtual void visitImageEntry(TiffImageEntry* object);
414 virtual void visitSizeEntry(TiffSizeEntry* object);
416 virtual void visitDirectory(TiffDirectory* object);
418 virtual void visitDirectoryNext(TiffDirectory* object);
420 virtual void visitSubIfd(TiffSubIfd* object);
422 virtual void visitMnEntry(TiffMnEntry* object);
424 virtual void visitIfdMakernote(TiffIfdMakernote* object);
426 virtual void visitIfdMakernoteEnd(TiffIfdMakernote* object);
428 virtual void visitBinaryArray(TiffBinaryArray* object);
430 virtual void visitBinaryArrayEnd(TiffBinaryArray* object);
432 virtual void visitBinaryElement(TiffBinaryElement* object);
433
454 TiffEntryBase* object,
455 const Exifdatum* datum =0
456 );
457
459 void encodeBinaryElement(TiffBinaryElement* object, const Exifdatum* datum);
461 void encodeBinaryArray(TiffBinaryArray* object, const Exifdatum* datum);
463 void encodeDataEntry(TiffDataEntry* object, const Exifdatum* datum);
465 void encodeTiffEntry(TiffEntry* object, const Exifdatum* datum);
467 void encodeImageEntry(TiffImageEntry* object, const Exifdatum* datum);
469 void encodeMnEntry(TiffMnEntry* object, const Exifdatum* datum);
471 void encodeSizeEntry(TiffSizeEntry* object, const Exifdatum* datum);
473 void encodeSubIfd(TiffSubIfd* object, const Exifdatum* datum);
474
476 void encodeTiffEntryBase(TiffEntryBase* object, const Exifdatum* datum);
478 void encodeOffsetEntry(TiffEntryBase* object, const Exifdatum* datum);
479
481 // Todo void encodeNikonSubIfd(TiffEntryBase* object, const Exifdatum* datum);
482
484 void encodeIptc(TiffEntryBase* object, const Exifdatum* datum);
497 void add(
498 TiffComponent* pRootDir,
499 TiffComponent* pSourceDir,
500 uint32_t root
501 );
503 void setDirty(bool flag =true);
505
507
508
512 ByteOrder byteOrder() const { return byteOrder_; }
517 bool dirty() const;
519 WriteMethod writeMethod() const { return writeMethod_; }
521
522 private:
524
525
530 void encodeIptc();
535 void encodeXmp();
537
539
540
545 uint32_t updateDirEntry(byte* buf,
547 TiffComponent* pTiffComponent) const;
557 bool isImageTag(uint16_t tag, IfdId group) const;
559
560 private:
561 // DATA
562 ExifData exifData_;
563 const IptcData& iptcData_;
564 const XmpData& xmpData_;
565 bool del_;
566 const TiffHeaderBase* pHeader_;
567 TiffComponent* pRoot_;
568 const bool isNewImage_;
569 const PrimaryGroups* pPrimaryGroups_;
570 TiffComponent* pSourceTree_;
571 ByteOrder byteOrder_;
572 ByteOrder origByteOrder_;
573 const FindEncoderFct findEncoderFct_;
574 std::string make_;
575 bool dirty_;
576 WriteMethod writeMethod_;
577
578 }; // class TiffEncoder
579
587 public:
589
590
592 uint32_t baseOffset)
593 : byteOrder_(byteOrder),
594 baseOffset_(baseOffset) {}
596
598
599
603 ByteOrder byteOrder() const { return byteOrder_; }
615 uint32_t baseOffset() const { return baseOffset_; }
617
618 private:
619 ByteOrder byteOrder_;
620 uint32_t baseOffset_;
621 }; // TiffRwState
622
628 class TiffReader : public TiffVisitor {
629 public:
631
632
641 TiffReader(const byte* pData,
642 uint32_t size,
643 TiffComponent* pRoot,
644 TiffRwState state);
645
647 virtual ~TiffReader();
649
651
652
653 virtual void visitEntry(TiffEntry* object);
655 virtual void visitDataEntry(TiffDataEntry* object);
657 virtual void visitImageEntry(TiffImageEntry* object);
659 virtual void visitSizeEntry(TiffSizeEntry* object);
661 virtual void visitDirectory(TiffDirectory* object);
663 virtual void visitSubIfd(TiffSubIfd* object);
665 virtual void visitMnEntry(TiffMnEntry* object);
667 virtual void visitIfdMakernote(TiffIfdMakernote* object);
669 virtual void visitIfdMakernoteEnd(TiffIfdMakernote* object);
671 virtual void visitBinaryArray(TiffBinaryArray* object);
673 virtual void visitBinaryElement(TiffBinaryElement* object);
674
676 void readTiffEntry(TiffEntryBase* object);
685 void setMnState(const TiffRwState* state =0);
687 void setOrigState();
689 bool circularReference(const byte* start, IfdId group);
691 int nextIdx(IfdId group);
692
702 void postProcess();
704
706
707
708 ByteOrder byteOrder() const;
710 uint32_t baseOffset() const;
712
713 private:
714 typedef std::map<const byte*, IfdId> DirList;
715 typedef std::map<uint16_t, int> IdxSeq;
716 typedef std::vector<TiffComponent*> PostList;
717
718 // DATA
719 const byte* pData_;
720 const uint32_t size_;
721 const byte* pLast_;
722 TiffComponent* const pRoot_;
723 TiffRwState* pState_;
724 TiffRwState origState_;
725 TiffRwState mnState_;
726 DirList dirList_;
727 IdxSeq idxSeq_;
728 PostList postList_;
729 bool postProc_;
730 }; // class TiffReader
731
732}} // namespace Internal, Exiv2
733
734#endif // #ifndef TIFFVISITOR_INT_HPP_
A container for Exif data. This is a top-level class of the Exiv2 library. The container holds Exifda...
Definition: exif.hpp:434
An Exif metadatum, consisting of an ExifKey and a Value and methods to manipulate these.
Definition: exif.hpp:59
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
Element of a TiffBinaryArray.
Definition: tiffcomposite_int.hpp:1495
Interface class for components of a TIFF directory hierarchy (Composite pattern). Both TIFF directori...
Definition: tiffcomposite_int.hpp:174
Copy all image tags from the source tree (the tree that is traversed) to a target tree,...
Definition: tiffvisitor_int.hpp:224
virtual void visitEntry(TiffEntry *object)
Copy a TIFF entry if it is an image tag.
Definition: tiffvisitor_int.cpp:228
virtual void visitMnEntry(TiffMnEntry *object)
Copy a TIFF makernote if it is an image tag.
Definition: tiffvisitor_int.cpp:258
virtual void visitDirectory(TiffDirectory *object)
Copy a TIFF directory if it is an image tag.
Definition: tiffvisitor_int.cpp:248
virtual void visitSizeEntry(TiffSizeEntry *object)
Copy a TIFF size entry if it is an image tag.
Definition: tiffvisitor_int.cpp:243
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Copy an IFD makernote if it is an image tag.
Definition: tiffvisitor_int.cpp:263
virtual void visitBinaryElement(TiffBinaryElement *object)
Copy an element of a binary array if it is an image tag.
Definition: tiffvisitor_int.cpp:273
virtual void visitImageEntry(TiffImageEntry *object)
Copy a TIFF image entry if it is an image tag.
Definition: tiffvisitor_int.cpp:238
virtual void visitSubIfd(TiffSubIfd *object)
Copy a TIFF sub-IFD if it is an image tag.
Definition: tiffvisitor_int.cpp:253
virtual void visitBinaryArray(TiffBinaryArray *object)
Copy a binary array if it is an image tag.
Definition: tiffvisitor_int.cpp:268
TiffCopier(TiffComponent *pRoot, uint32_t root, const TiffHeaderBase *pHeader, const PrimaryGroups *pPrimaryGroups)
Constructor.
Definition: tiffvisitor_int.cpp:193
virtual ~TiffCopier()
Virtual destructor.
Definition: tiffvisitor_int.cpp:207
void copyObject(TiffComponent *object)
Check if object is an image tag and if so, copy it to the target tree.
Definition: tiffvisitor_int.cpp:211
virtual void visitDataEntry(TiffDataEntry *object)
Copy a TIFF data entry if it is an image tag.
Definition: tiffvisitor_int.cpp:233
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
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
TIFF composite visitor to decode metadata from the TIFF tree and add it to an Image,...
Definition: tiffvisitor_int.hpp:284
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:278
virtual void visitEntry(TiffEntry *object)
Decode a TIFF entry.
Definition: tiffvisitor_int.cpp:311
void decodeStdTiffEntry(const TiffEntryBase *object)
Decode a standard TIFF entry.
Definition: tiffvisitor_int.cpp:481
virtual ~TiffDecoder()
Virtual destructor.
Definition: tiffvisitor_int.cpp:307
void decodeIptc(const TiffEntryBase *object)
Decode IPTC data from an IPTCNAA tag or Photoshop ImageResources.
Definition: tiffvisitor_int.cpp:413
virtual void visitMnEntry(TiffMnEntry *object)
Decode a TIFF makernote.
Definition: tiffvisitor_int.cpp:341
virtual void visitBinaryElement(TiffBinaryElement *object)
Decode an element of a binary array.
Definition: tiffvisitor_int.cpp:497
virtual void visitDirectory(TiffDirectory *object)
Decode a TIFF directory.
Definition: tiffvisitor_int.cpp:331
void decodeTiffEntry(const TiffEntryBase *object)
Entry function, determines how to decode each tag.
Definition: tiffvisitor_int.cpp:465
virtual void visitImageEntry(TiffImageEntry *object)
Decode a TIFF image entry.
Definition: tiffvisitor_int.cpp:321
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Decode an IFD makernote.
Definition: tiffvisitor_int.cpp:347
virtual void visitSubIfd(TiffSubIfd *object)
Decode a TIFF sub-IFD.
Definition: tiffvisitor_int.cpp:336
virtual void visitSizeEntry(TiffSizeEntry *object)
Decode a TIFF size entry.
Definition: tiffvisitor_int.cpp:326
void decodeXmp(const TiffEntryBase *object)
Decode XMP packet from an XMLPacket tag.
Definition: tiffvisitor_int.cpp:386
virtual void visitDataEntry(TiffDataEntry *object)
Decode a TIFF data entry.
Definition: tiffvisitor_int.cpp:316
virtual void visitBinaryArray(TiffBinaryArray *object)
Decode a binary array.
Definition: tiffvisitor_int.cpp:490
This class models a TIFF directory (Ifd). It is a composite component of the TIFF tree.
Definition: tiffcomposite_int.hpp:861
TIFF composite visitor to encode metadata from an image to the TIFF tree. The metadata containers and...
Definition: tiffvisitor_int.hpp:382
virtual void visitEntry(TiffEntry *object)
Encode a TIFF entry.
Definition: tiffvisitor_int.cpp:652
virtual ~TiffEncoder()
Virtual destructor.
Definition: tiffvisitor_int.cpp:551
void encodeMnEntry(TiffMnEntry *object, const Exifdatum *datum)
Callback encoder function for a Makernote entry.
Definition: tiffvisitor_int.cpp:997
void encodeSubIfd(TiffSubIfd *object, const Exifdatum *datum)
Callback encoder function for a sub-IFD entry.
Definition: tiffvisitor_int.cpp:1008
virtual void visitSizeEntry(TiffSizeEntry *object)
Encode a TIFF size entry.
Definition: tiffvisitor_int.cpp:667
virtual void visitDirectoryNext(TiffDirectory *object)
Update directory entries.
Definition: tiffvisitor_int.cpp:677
virtual void visitIfdMakernoteEnd(TiffIfdMakernote *object)
Reset encoder to its original state, undo makernote specific settings.
Definition: tiffvisitor_int.cpp:760
void encodeTiffEntryBase(TiffEntryBase *object, const Exifdatum *datum)
Special encoder function for the base part of a TIFF entry.
Definition: tiffvisitor_int.cpp:1013
virtual void visitBinaryElement(TiffBinaryElement *object)
Encode an element of a binary array.
Definition: tiffvisitor_int.cpp:801
void setDirty(bool flag=true)
Set the dirty flag and end of traversing signal.
Definition: tiffvisitor_int.cpp:640
void encodeImageEntry(TiffImageEntry *object, const Exifdatum *datum)
Callback encoder function for an image entry.
Definition: tiffvisitor_int.cpp:925
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:818
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Encode an IFD makernote.
Definition: tiffvisitor_int.cpp:731
virtual void visitBinaryArrayEnd(TiffBinaryArray *object)
Re-encrypt binary array if necessary.
Definition: tiffvisitor_int.cpp:774
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:502
void encodeTiffEntry(TiffEntry *object, const Exifdatum *datum)
Callback encoder function for a standard TIFF entry.
Definition: tiffvisitor_int.cpp:920
void encodeBinaryArray(TiffBinaryArray *object, const Exifdatum *datum)
Callback encoder function for a binary array.
Definition: tiffvisitor_int.cpp:878
void encodeOffsetEntry(TiffEntryBase *object, const Exifdatum *datum)
Special encoder function for an offset entry.
Definition: tiffvisitor_int.cpp:1038
void encodeIptc(TiffEntryBase *object, const Exifdatum *datum)
Special encoder function to encode SubIFD contents to Image group if it contains primary image data.
void encodeBinaryElement(TiffBinaryElement *object, const Exifdatum *datum)
Callback encoder function for an element of a binary array.
Definition: tiffvisitor_int.cpp:883
bool dirty() const
True if any tag was deleted or allocated in the process of visiting a TIFF composite tree.
Definition: tiffvisitor_int.cpp:646
virtual void visitSubIfd(TiffSubIfd *object)
Encode a TIFF sub-IFD.
Definition: tiffvisitor_int.cpp:712
virtual void visitImageEntry(TiffImageEntry *object)
Encode a TIFF image entry.
Definition: tiffvisitor_int.cpp:662
void add(TiffComponent *pRootDir, TiffComponent *pSourceDir, uint32_t root)
Add metadata from image to the TIFF composite.
Definition: tiffvisitor_int.cpp:1064
virtual void visitDirectory(TiffDirectory *object)
Encode a TIFF directory.
Definition: tiffvisitor_int.cpp:672
virtual void visitDataEntry(TiffDataEntry *object)
Encode a TIFF data entry.
Definition: tiffvisitor_int.cpp:657
void encodeDataEntry(TiffDataEntry *object, const Exifdatum *datum)
Callback encoder function for a data entry.
Definition: tiffvisitor_int.cpp:888
void encodeSizeEntry(TiffSizeEntry *object, const Exifdatum *datum)
Callback encoder function for a size entry.
Definition: tiffvisitor_int.cpp:1003
virtual void visitBinaryArray(TiffBinaryArray *object)
Encode a binary array.
Definition: tiffvisitor_int.cpp:767
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:512
virtual void visitMnEntry(TiffMnEntry *object)
Encode a TIFF makernote.
Definition: tiffvisitor_int.cpp:717
WriteMethod writeMethod() const
Return the write method used.
Definition: tiffvisitor_int.hpp:519
This abstract base class provides the common functionality of an IFD directory entry and defines an e...
Definition: tiffcomposite_int.hpp:414
A standard TIFF IFD entry.
Definition: tiffcomposite_int.hpp:566
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 visitBinaryElement(TiffBinaryElement *object)
Find tag and group in an element of a binary array.
Definition: tiffvisitor_int.cpp:188
virtual void visitMnEntry(TiffMnEntry *object)
Find tag and group in a TIFF makernote.
Definition: tiffvisitor_int.cpp:173
virtual void visitEntry(TiffEntry *object)
Find tag and group in a TIFF entry.
Definition: tiffvisitor_int.cpp:143
virtual void visitImageEntry(TiffImageEntry *object)
Find tag and group in a TIFF image entry.
Definition: tiffvisitor_int.cpp:153
virtual void visitSizeEntry(TiffSizeEntry *object)
Find tag and group in a TIFF size entry.
Definition: tiffvisitor_int.cpp:158
virtual ~TiffFinder()
Virtual destructor.
Definition: tiffvisitor_int.cpp:131
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Find tag and group in an IFD makernote.
Definition: tiffvisitor_int.cpp:178
virtual void visitDataEntry(TiffDataEntry *object)
Find tag and group in a TIFF data entry.
Definition: tiffvisitor_int.cpp:148
virtual void visitDirectory(TiffDirectory *object)
Find tag and group in a TIFF directory.
Definition: tiffvisitor_int.cpp:163
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 visitSubIfd(TiffSubIfd *object)
Find tag and group in a TIFF sub-IFD.
Definition: tiffvisitor_int.cpp:168
void init(uint16_t tag, IfdId group)
Initialize the Finder for a new search.
Definition: tiffvisitor_int.cpp:123
virtual void visitBinaryArray(TiffBinaryArray *object)
Find tag and group in a binary array.
Definition: tiffvisitor_int.cpp:183
TiffFinder(uint16_t tag, IfdId group)
Constructor, taking tag and group of the component to find.
Definition: tiffvisitor_int.hpp:169
void findObject(TiffComponent *object)
Check if object matches tag and group.
Definition: tiffvisitor_int.cpp:135
Abstract base class defining the interface of an image header. Used internally by classes for TIFF-ba...
Definition: tiffimage_int.hpp:59
Tiff IFD Makernote. This is a concrete class suitable for all IFD makernotes.
Definition: tiffcomposite_int.hpp:1149
A standard TIFF IFD entry consisting of a value which is an array of offsets to image data areas....
Definition: tiffcomposite_int.hpp:736
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:628
void readDataEntryBase(TiffDataEntryBase *object)
Read a TiffDataEntryBase from the data buffer.
Definition: tiffvisitor_int.cpp:1190
ByteOrder byteOrder() const
Return the byte order.
Definition: tiffvisitor_int.cpp:1178
virtual void visitIfdMakernote(TiffIfdMakernote *object)
Read an IFD makernote from the data buffer.
Definition: tiffvisitor_int.cpp:1415
virtual void visitSizeEntry(TiffSizeEntry *object)
Read a TIFF size entry from the data buffer.
Definition: tiffvisitor_int.cpp:1218
void setMnState(const TiffRwState *state=0)
Set the state of the reader to one suitable for the Makernote.
Definition: tiffvisitor_int.cpp:1164
virtual void visitBinaryElement(TiffBinaryElement *object)
Read an element of a binary array from the data buffer.
Definition: tiffvisitor_int.cpp:1657
int nextIdx(IfdId group)
Return the next idx sequence number for group.
Definition: tiffvisitor_int.cpp:1245
void readTiffEntry(TiffEntryBase *object)
Read a standard TIFF entry from the data buffer.
Definition: tiffvisitor_int.cpp:1453
virtual void visitImageEntry(TiffImageEntry *object)
Read a TIFF image entry from the data buffer.
Definition: tiffvisitor_int.cpp:1213
virtual void visitDataEntry(TiffDataEntry *object)
Read a TIFF data entry from the data buffer.
Definition: tiffvisitor_int.cpp:1208
virtual void visitIfdMakernoteEnd(TiffIfdMakernote *object)
Reset reader to its original state, undo makernote specific settings.
Definition: tiffvisitor_int.cpp:1447
virtual void visitMnEntry(TiffMnEntry *object)
Read a TIFF makernote entry from the data buffer.
Definition: tiffvisitor_int.cpp:1391
virtual void visitEntry(TiffEntry *object)
Read a TIFF entry from the data buffer.
Definition: tiffvisitor_int.cpp:1203
virtual void visitBinaryArray(TiffBinaryArray *object)
Read a binary array from the data buffer.
Definition: tiffvisitor_int.cpp:1577
void setOrigState()
Set the state to the original state as set in the constructor.
Definition: tiffvisitor_int.cpp:1159
uint32_t baseOffset() const
Return the base offset. See class TiffRwState for details.
Definition: tiffvisitor_int.cpp:1184
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:1137
bool circularReference(const byte *start, IfdId group)
Check IFD directory pointer start for circular reference.
Definition: tiffvisitor_int.cpp:1231
virtual void visitDirectory(TiffDirectory *object)
Read a TIFF directory from the data buffer.
Definition: tiffvisitor_int.cpp:1261
void postProcess()
Read deferred components.
Definition: tiffvisitor_int.cpp:1250
virtual void visitSubIfd(TiffSubIfd *object)
Read a TIFF sub-IFD from the data buffer.
Definition: tiffvisitor_int.cpp:1341
virtual ~TiffReader()
Virtual destructor.
Definition: tiffvisitor_int.cpp:1155
Simple state class containing relevant state information for the TIFF reader. This is in a separate c...
Definition: tiffvisitor_int.hpp:586
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:603
TiffRwState(ByteOrder byteOrder, uint32_t baseOffset)
Constructor.
Definition: tiffvisitor_int.hpp:591
uint32_t baseOffset() const
Return the base offset.
Definition: tiffvisitor_int.hpp:615
A TIFF IFD entry containing the size of a data area of a related TiffDataEntry. This component is use...
Definition: tiffcomposite_int.hpp:819
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
Abstract base class defining the interface for TIFF composite visitors (Visitor pattern)
Definition: tiffvisitor_int.hpp:73
virtual void visitDataEntry(TiffDataEntry *object)=0
Operation to perform for a TIFF data entry.
bool go(GoEvent event) const
Check if stop flag for event is clear, return true if it's clear.
Definition: tiffvisitor_int.cpp:101
TiffVisitor()
Default constructor. Initialises all stop/go flags to true.
Definition: tiffvisitor_int.cpp:84
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:107
virtual ~TiffVisitor()
Virtual destructor.
Definition: tiffvisitor_int.cpp:91
virtual void visitBinaryArrayEnd(TiffBinaryArray *object)
Operation to perform for a TIFF binary array, at the end of the processing.
Definition: tiffvisitor_int.cpp:119
virtual void visitBinaryElement(TiffBinaryElement *object)=0
Operation to perform for an element of a binary array.
GoEvent
Events for the stop/go flag. See setGo().
Definition: tiffvisitor_int.hpp:76
@ geTraverse
Signal to control traversing of the composite tree.
Definition: tiffvisitor_int.hpp:78
@ geKnownMakernote
Signal used by TiffReader to signal an unknown makernote.
Definition: tiffvisitor_int.hpp:80
virtual void visitBinaryArray(TiffBinaryArray *object)=0
Operation to perform for a binary array.
virtual void visitSubIfd(TiffSubIfd *object)=0
Operation to perform for a TIFF sub-IFD.
virtual void visitDirectory(TiffDirectory *object)=0
Operation to perform for a TIFF directory.
virtual void visitImageEntry(TiffImageEntry *object)=0
Operation to perform for a TIFF image entry.
virtual void visitMnEntry(TiffMnEntry *object)=0
Operation to perform for the makernote component.
virtual void visitIfdMakernote(TiffIfdMakernote *object)=0
Operation to perform for an IFD makernote.
virtual void visitSizeEntry(TiffSizeEntry *object)=0
Operation to perform for a TIFF size entry.
void setGo(GoEvent event, bool go)
Set the stop/go flag: true for go, false for stop.
Definition: tiffvisitor_int.cpp:95
virtual void visitEntry(TiffEntry *object)=0
Operation to perform for a TIFF entry.
virtual void visitIfdMakernoteEnd(TiffIfdMakernote *object)
Operation to perform after processing an IFD makernote.
Definition: tiffvisitor_int.cpp:115
virtual void visitDirectoryEnd(TiffDirectory *object)
Operation to perform for a TIFF directory, at the end of the processing.
Definition: tiffvisitor_int.cpp:111
A container for IPTC data. This is a top-level class of the Exiv2 library.
Definition: iptc.hpp:173
A container for XMP data. This is a top-level class of the Exiv2 library.
Definition: xmp_exiv2.hpp:173
Encoding and decoding of Exif data.
const uint32_t root
Special tag: root IFD.
Definition: tiffcomposite_int.hpp:80
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
std::vector< IfdId > PrimaryGroups
Type for a list of primary image groups.
Definition: tifffwd_int.hpp:114
IfdId
Type to specify the IFD to which a metadata belongs.
Definition: tags_int.hpp:54
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
Provides classes and functions to encode and decode Exif and Iptc data. The libexiv2 API consists of ...
Definition: asfvideo.hpp:36
@ string
IPTC string type.
Definition: types.hpp:147
ByteOrder
Type to express the byte order (little or big endian)
Definition: types.hpp:113
WriteMethod
Type to indicate write method used by TIFF parsers.
Definition: types.hpp:116
Internal TIFF parser related typedefs and forward definitions.
Type definitions for Exiv2 and related functionality.