Here are the classes, structs, unions and interfaces with brief descriptions:
[detail level 1234]
  Exiv2 | Provides classes and functions to encode and decode Exif and Iptc data. The libexiv2 API consists of the objects of this namespace |
  ImageType | Supported image formats |
| Internal | Contains internal objects which are not published and are not part of the libexiv2 API |
| Tag | |
 remove_const | |
| remove_const< const T > | |
| remove_volatile | |
| remove_volatile< volatile T > | |
| remove_cv | |
| remove_pointer | |
| remove_pointer< T * > | |
| remove_pointer< T *const > | |
| SliceBase | |
| ConstSliceBase | This class provides the public-facing const-qualified methods of a slice |
| MutableSliceBase | |
| ContainerStorage | |
| PtrSliceStorage | Implementation of the storage concept for slices of C arrays |
| LensIdFct | A lens id and a pretty-print function for special treatment of the id |
| LensTypeAndFocalLengthAndMaxAperture | Helper structure |
| CanonMakerNote | MakerNote for Canon cameras |
| CasioMakerNote | MakerNote for Casio cameras |
| Casio2MakerNote | MakerNote for Casio2 cameras |
| Cr2Header | Canon CR2 header structure |
| CiffComponent | Interface class for components of the CIFF directory hierarchy of a CRW (Canon Raw data) image. Both CIFF directories as well as entries implement this interface. This class is implemented as NVI (non-virtual interface) |
| CiffEntry | This class models one directory entry of a CIFF directory of a CRW (Canon Raw data) image |
| CiffDirectory | This class models a CIFF directory of a CRW (Canon Raw data) image |
| CiffHeader | This class models the header of a CRW (Canon Raw data) image. It is the head of a CIFF parse tree, consisting of CiffDirectory and CiffEntry objects. Most of its methods will walk the parse tree to perform the requested action |
| CrwSubDir | Structure for the CIFF directory hierarchy |
| CrwMapping | Structure for a mapping table for conversion of CIFF entries to image metadata and vice versa |
| CrwMap | Static class providing mapping functionality from CRW entries to image metadata and vice versa |
| FujiMakerNote | MakerNote for Fujifilm cameras |
| binaryToStringHelper | Helper struct for binary data output via binaryToString |
| NikonArrayIdx | Structure for an index into the array set of complex binary arrays |
 Key | Key for comparisons |
| TiffMnRegistry | Makernote registry structure |
| TiffMnCreator | TIFF makernote factory for concrete TIFF makernotes |
| MnHeader | Makernote header interface. This class is used with TIFF makernotes |
| OlympusMnHeader | Header of an Olympus Makernote |
| Olympus2MnHeader | Header of an Olympus II Makernote |
| FujiMnHeader | Header of a Fujifilm Makernote |
| Nikon2MnHeader | Header of a Nikon 2 Makernote |
| Nikon3MnHeader | Header of a Nikon 3 Makernote |
| PanasonicMnHeader | Header of a Panasonic Makernote |
| PentaxDngMnHeader | Header of an Pentax DNG Makernote |
| PentaxMnHeader | Header of an Pentax Makernote |
| SamsungMnHeader | Header of a Samsung Makernote, only used for the relative offset |
| SigmaMnHeader | Header of a Sigma Makernote |
| SonyMnHeader | Header of a Sony Makernote |
| Casio2MnHeader | Header of a Casio2 Makernote |
| MinoltaMakerNote | MakerNote for Minolta cameras |
| Nikon1MakerNote | A MakerNote format used by Nikon cameras, such as the E990 and D1 |
| Nikon2MakerNote | A second MakerNote format used by Nikon cameras, including the E700, E800, E900, E900S, E910, E950 |
| Nikon3MakerNote | A third MakerNote format used by Nikon cameras, e.g., E5400, SQ, D2H, D70 |
| OlympusMakerNote | MakerNote for Olympus cameras |
| OrfHeader | Olympus ORF header structure |
| PanasonicMakerNote | MakerNote for Panasonic cameras |
| PentaxMakerNote | MakerNote for Pentaxfilm cameras |
| PngChunk | Stateless parser class for data in PNG chunk format. Images use this class to decode and encode PNG-based data |
| Rw2Header | Panasonic RW2 header structure |
| Samsung2MakerNote | MakerNote for Samsung cameras |
| SigmaMakerNote | MakerNote for Sigma (Foveon) cameras |
| SonyMakerNote | MakerNote for Sony cameras |
| SectionInfo | The details of a section |
| TagDetails | Helper structure for lookup tables for translations of numeric tag values to human readable labels |
| TagDetailsBitmask | Helper structure for lookup tables for translations of bitmask values to human readable labels |
| TagVocabulary | Helper structure for lookup tables for translations of controlled vocabulary strings to their descriptions |
| TiffPathItem | A tupel consisting of extended Tag and group used as an item in TIFF paths |
| IoWrapper | Simple IO wrapper to ensure that the header is only written if there is any other data at all |
| TiffComponent | Interface class for components of a TIFF directory hierarchy (Composite pattern). Both TIFF directories as well as entries implement this interface. A component can be uniquely identified by a tag, group tupel. This class is implemented as a NVI (Non-Virtual Interface) and it has an interface for visitors (Visitor pattern) to perform operations on all components |
| TiffMappingInfo | TIFF mapping table for functions to decode special cases |
| Key | Search key for TIFF mapping structures |
| TiffEntryBase | This abstract base class provides the common functionality of an IFD directory entry and defines an extended interface for derived concrete entries, which allows access to the attributes of the entry |
| TiffEntry | A standard TIFF IFD entry |
| TiffDataEntryBase | Interface for a standard TIFF IFD entry consisting of a value which is a set of offsets to a data area. The sizes of these "strips" are provided in a related TiffSizeEntry, tag and group of which are set in the constructor. The implementations of this interface differ in whether the data areas are extracted to the higher level metadata (TiffDataEntry) or not (TiffImageEntry) |
| TiffDataEntry | A standard TIFF IFD entry consisting of a value which is an offset to a data area and the data area. The size of the data area is provided in a related TiffSizeEntry, tag and group of which are set in the constructor |
| TiffImageEntry | A standard TIFF IFD entry consisting of a value which is an array of offsets to image data areas. The sizes of the image data areas are provided in a related TiffSizeEntry, tag and group of which are set in the constructor |
| TiffSizeEntry | A TIFF IFD entry containing the size of a data area of a related TiffDataEntry. This component is used, e.g. for Exif.Thumbnail.JPEGInterchangeFormatLength, which contains the size of Exif.Thumbnail.JPEGInterchangeFormat |
| TiffDirectory | This class models a TIFF directory (Ifd). It is a composite component of the TIFF tree |
| TiffSubIfd | This class models a TIFF sub-directory (sub-IFD). A sub-IFD is an entry with one or more values that are pointers to IFD structures containing an IFD. The TIFF standard defines some important tags to be sub-IFDs, including the Exif and GPS tags |
| TiffMnEntry | This class is the basis for Makernote support in TIFF. It contains a pointer to a concrete Makernote. The TiffReader visitor has the responsibility to create the correct Make/Model specific Makernote for a particular TIFF file. Calls to child management methods are forwarded to the concrete Makernote, if there is one |
| TiffIfdMakernote | Tiff IFD Makernote. This is a concrete class suitable for all IFD makernotes |
| ArrayDef | Defines one tag in a binary array |
| ArrayCfg | Additional configuration for a binary array |
| ArraySet | Combination of array configuration and definition for arrays |
| TiffBinaryArray | Composite to model an array of different tags. The tag types as well as other aspects of the array are configurable. The elements of this component are of type TiffBinaryElement |
| TiffBinaryElement | Element of a TiffBinaryArray |
| TiffHeaderBase | Abstract base class defining the interface of an image header. Used internally by classes for TIFF-based images. Default implementation is for the regular TIFF header |
| TiffHeader | Standard TIFF header structure |
| TiffImgTagStruct | Data structure used to list image tags for TIFF and TIFF-like images |
| Key | Search key for TIFF image tag structure |
| TiffGroupStruct | Data structure used as a row (element) of a table (array) defining the TIFF component used for each tag in a group |
| Key | Search key for TIFF group structure |
| TiffTreeStruct | Data structure used as a row of the table which describes TIFF trees. Multiple trees are needed as TIFF-based RAW image formats do not always use standard TIFF layout |
| Key | Search key for TIFF tree structure |
| TiffCreator | TIFF component factory |
| TiffParserWorker | Stateless parser class for data in TIFF format. Images use this class to decode and encode TIFF-based data |
| TiffMapping | Table of TIFF decoding and encoding functions and find functions. This class is separated from the metadata decoder and encoder visitors so that the parser can be parametrized with a different table if needed. This is used, eg., for CR2 format, which uses a different decoder table |
| OffsetWriter | Class to insert pointers or offsets to computed addresses at specific locations in an image. Used for offsets which are best computed during the regular write process. They are written in a second pass, using the writeOffsets() method |
| FindExifdatum | Unary predicate that matches an Exifdatum with a given IfdId |
| TiffVisitor | Abstract base class defining the interface for TIFF composite visitors (Visitor pattern) |
| TiffFinder | Search the composite for a component with tag and group. Return a pointer to the component or 0, if not found. The class is ready for a first search after construction and can be re-initialized with init() |
| TiffCopier | Copy all image tags from the source tree (the tree that is traversed) to a target tree, which is empty except for the root element provided in the constructor |
| TiffDecoder | 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 |
| TiffEncoder | TIFF composite visitor to encode metadata from an image to the TIFF tree. The metadata containers and root element of the tree are supplied in the constructor. Used by TiffParserWorker to encode the metadata into a TIFF composite |
| TiffRwState | Simple state class containing relevant state information for the TIFF reader. This is in a separate class so that the reader can change state if needed (e.g., to read certain complex makernotes) |
| TiffReader | TIFF composite visitor to read the TIFF structure from a block of memory and build the composite from it (Visitor pattern). Used by TiffParser to read the TIFF data from a block of memory |
| AsfVideo | Class to access ASF video files |
| BasicIo | An interface for simple binary IO |
| IoCloser | Utility class that closes a BasicIo instance upon destruction. Meant to be used as a stack variable in functions that need to ensure BasicIo instances get closed. Useful when functions return errors from many locations |
| FileIo | Provides binary file IO by implementing the BasicIo interface |
 Impl | Internal Pimpl structure of class FileIo |
 StructStat | Simple struct stat wrapper for internal use |
| MemIo | Provides binary IO on blocks of memory by implementing the BasicIo interface. A copy-on-write implementation ensures that the data passed in is only copied when necessary, i.e., as soon as data is written to the MemIo. The original data is only used for reading. If writes are performed, the changed data can be retrieved using the read methods (since the data used in construction is never modified) |
| Impl | Internal Pimpl structure of class MemIo |
| XPathIo | Provides binary IO for the data from stdin and data uri path |
| RemoteIo | Provides remote binary file IO by implementing the BasicIo interface. This is an abstract class. The logics for remote access are implemented in HttpIo, CurlIo, SshIo which are the derived classes of RemoteIo |
| Impl | Internal Pimpl abstract structure of class RemoteIo |
| HttpIo | Provides the http read/write access for the RemoteIo |
| HttpImpl | Internal Pimpl structure of class HttpIo |
| BmpImage | Class to access Windows bitmaps. This is just a stub - we only read width and height |
| Cr2Image | Class to access raw Canon CR2 images. Exif metadata is supported directly, IPTC is read from the Exif data, if present |
| Cr2Parser | Stateless parser class for data in CR2 format. Images use this class to decode and encode CR2 data. See class TiffParser for details |
| CrwImage | Class to access raw Canon CRW images. Only Exif metadata and a comment are supported. CRW format does not contain IPTC metadata |
| CrwParser | |
| RecordInfo | Details of an IPTC record |
| DataSet | Details of an IPTC dataset |
| IptcDataSets | IPTC dataset reference, implemented as a static class |
| IptcKey | Concrete keys for IPTC metadata |
| EpsImage | Class to access EPS images |
| LogMsg | Class for a log message, used by the library. Applications can set the log level and provide a customer log message handler (callback function) |
| AnyError | Error class interface. Allows the definition and use of a hierarchy of error classes which can all be handled in one catch block. Inherits from the standard exception base-class, to make life easier for library users (they have the option of catching most things via std::exception) |
| BasicError | Simple error class used for exceptions. An output operator is provided to print errors to a stream |
| Exifdatum | An Exif metadatum, consisting of an ExifKey and a Value and methods to manipulate these |
| ExifThumbC | Access to a Exif thumbnail image. This class provides higher level accessors to the thumbnail image that is optionally embedded in IFD1 of the Exif data. These methods do not write to the Exif metadata. Manipulators are provided in subclass ExifThumb |
| ExifThumb | Access and modify an Exif thumbnail image. This class implements manipulators to set and erase the thumbnail image that is optionally embedded in IFD1 of the Exif data. Accessors are provided by the base class, ExifThumbC |
| ExifData | A container for Exif data. This is a top-level class of the Exiv2 library. The container holds Exifdatum objects |
| ExifParser | Stateless parser class for Exif data. Images use this class to decode and encode binary Exif data |
| Uri | A container for URL components. It also provides the method to parse a URL to get the protocol, host, path, port, querystring, username, password |
| GifImage | Class to access raw GIF images. Exif/IPTC metadata are supported directly |
| NativePreview | Native preview information. This is meant to be used only by the PreviewManager |
| Image | Abstract base class defining the interface for an image. This is the top-level interface to the Exiv2 library |
| ImageFactory | Returns an Image instance of the specified type |
| INIReader | Read an INI file into easy-to-access name/value pairs. (Note that I've gone for simplicity here rather than speed, but it should be pretty decent.) |
| Iptcdatum | An IPTC metadatum ("dataset"), consisting of an IptcKey and a Value and methods to manipulate these |
| IptcData | A container for IPTC data. This is a top-level class of the Exiv2 library |
| IptcParser | Stateless parser class for IPTC data. Images use this class to decode and encode binary IPTC data |
| Jp2Image | Class to access JPEG-2000 images |
| Photoshop | Helper class, has methods to deal with Photoshop "Information Resource Blocks" (IRBs) |
| JpegBase | Abstract helper base class to access JPEG images |
| JpegImage | Class to access JPEG images |
| ExvImage | Helper class to access Exiv2 files |
| MatroskaTags | Helper structure for the Matroska tags lookup table |
| MatroskaVideo | Class to access Matroska video files |
| Key | Abstract base class defining the Key of a metadatum. Keys are used to identify and group metadata |
| Metadatum | Abstract base class defining the interface to access information related to one metadata tag |
| MrwImage | Class to access raw Minolta MRW images. Exif metadata is supported directly, IPTC is read from the Exif data, if present |
| OrfImage | Class to access raw Olympus ORF images. Exif metadata is supported directly, IPTC is read from the Exif data, if present |
| OrfParser | Stateless parser class for data in ORF format. Images use this class to decode and encode ORF data. See class TiffParser for details |
| PgfImage | Class to access PGF images. Exif and IPTC metadata are supported directly |
| PngImage | Class to access PNG images. Exif and IPTC metadata are supported directly |
| PreviewProperties | Preview image properties |
| PreviewImage | Class that holds preview image properties and data buffer |
| PreviewManager | Class for extracting preview images from image metadata |
| XmpPropertyInfo | Information about one XMP property |
| XmpNsInfo | Structure mapping XMP namespaces and (preferred) prefixes |
| Ns | For comparison with namespace |
| Prefix | For comparison with prefix |
| XmpProperties | XMP property reference, implemented as a static class |
| XmpKey | Concrete keys for XMP metadata |
| PsdImage | Class to access raw Photoshop images |
| QuickTimeVideo | Class to access QuickTime video files |
| RafImage | Class to access raw Fujifilm RAF images. Exif metadata is supported directly, IPTC is read from the Exif data, if present |
| RiffVideo | Class to access RIFF video files |
| Rw2Image | Class to access raw Panasonic RW2 images. Exif metadata is supported directly, IPTC and XMP are read from the Exif data, if present |
| Rw2Parser | Stateless parser class for data in RW2 format. Images use this class to decode and encode RW2 data. Only decoding is currently implemented. See class TiffParser for details |
| RWLock | Class to provide a Read-Write Lock |
| ScopedReadLock | Class to provide a ScopedReadLock. The lock is applied by the constructor and released by the destructor |
| ScopedWriteLock | Class to provide a ScopedWriteLock. The lock is applied by the constructor and released by the destructor |
| Slice | Slice (= view) for STL containers |
| Slice< const container > | Specialization of slices for constant containers |
| Slice< const T * > | |
| Slice< T * > | |
| GroupInfo | The details of an Exif group. Groups include IFDs and binary arrays |
| TagInfo | Tag information |
| ExifTags | Access to Exif group and tag lists and misc. tag reference methods, implemented as a static class |
| ExifKey | Concrete keys for Exif metadata and access to Exif tag reference data |
| Impl | Internal Pimpl structure with private members and data of class ExifKey |
| TgaImage | Class to access raw TARGA images. This is just a stub - we only read width and height |
| TiffImage | Class to access TIFF images. Exif metadata is supported directly, IPTC is read from the Exif data, if present |
| TiffParser | Stateless parser class for data in TIFF format. Images use this class to decode and encode TIFF data. It is a wrapper of the internal class Internal::TiffParserWorker |
| TypeInfo | Type information lookup functions. Implemented as a static class |
| DataBufRef | Auxiliary type to enable copies and assignments, similar to std::auto_ptr_ref. See http://www.josuttis.com/libbook/auto_ptr.html for a discussion |
| DataBuf | Utility class containing a character array. All it does is to take care of memory allocation and deletion. Its primary use is meant to be as a stack variable in functions that need a temporary data buffer |
| UtilsVideo | Class of utility functions used by the video code |
| Value | Common interface for all types of values used with metadata |
| DataValue | Value for an undefined data type |
| StringValueBase | Abstract base class for a string based Value type |
| StringValue | Value for string type |
| AsciiValue | Value for an Ascii string type |
| CommentValue | Value for an Exif comment |
| CharsetInfo | Charset information lookup functions. Implemented as a static class |
| CharsetTable | Information pertaining to the defined character sets |
| XmpValue | Base class for all Exiv2 values used to store XMP property values |
| XmpTextValue | Value type suitable for simple XMP properties and XMP nodes of complex types which are not parsed into specific values |
| XmpArrayValue | Value type for simple arrays. Each item in the array is a simple value, without qualifiers. The array may be an ordered (seq), unordered (bag) or alternative array (alt). The array items must not contain qualifiers. For language alternatives use LangAltValue |
| LangAltValueComparator | LangAltValueComparator |
| LangAltValue | Value type for XMP language alternative properties |
| DateValue | Value for simple ISO 8601 dates |
| Date | Simple Date helper structure |
| TimeValue | Value for simple ISO 8601 times |
| Time | Simple Time helper structure |
| ValueType | Template for a Value of a basic type. This is used for unsigned and signed short, long and rationals |
| WebPImage | Class to access WEBP video files |
| Xmpdatum | Information related to an XMP property. An XMP metadatum consists of an XmpKey and a Value and provides methods to manipulate these |
| Impl | Internal Pimpl structure of class Xmpdatum |
| XmpData | A container for XMP data. This is a top-level class of the Exiv2 library |
| XmpParser | Stateless parser class for XMP packets. Images use this class to parse and serialize XMP packets. The parser uses the XMP toolkit to do the job |
| XmpSidecar | Class to access XMP sidecar files. They contain only XMP metadata |
| BlockMap | Utility class provides the block mapping to the part of data. This avoids allocating a single contiguous block of memory to the big data |
| Converter | Metadata conversions |
| Conversion | Structure to define conversions between two keys |
| MimeTypeList | Structure for TIFF compression to MIME type mappings |
| Safe | Arithmetic operations with overflow checks |
| Internal | Helper functions for providing integer overflow checks |
| is_signed | Helper struct to determine whether a type is signed or unsigned |
| enable_if | Helper struct for SFINAE, from C++11 |
| enable_if< true, T > | Specialization of enable_if for the case B == true |
| Util | Contains utility classes and functions. Most of these are wrappers for common C functions that do not require pointers and memory considerations |
| CmdIdAndString | Structure to link command identifiers to strings |
| Exiv2_grep_key_t | Exv_grep_key_t is a simple string and the ignore flag |
| ModifyCmd | Structure for one parsed modification command |
| Params | Implements the command line handling for the program |
| YodAdjust | Structure for year, month and day adjustment command line arguments |
