Exiv2
xmpsidecar.hpp
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27 #ifndef XMPSIDECAR_HPP_
28 #define XMPSIDECAR_HPP_
29 
30 // *****************************************************************************
31 #include "exiv2lib_export.h"
32 
33 // included header files
34 #include "image.hpp"
35 
36 // *****************************************************************************
37 // namespace extensions
38 namespace Exiv2 {
39 
40 // *****************************************************************************
41 // class definitions
42 
43  // Add XMP to the supported image formats
44  namespace ImageType {
45  const int xmp = 10;
46  }
47 
51  class EXIV2API XmpSidecar : public Image {
52  public:
54 
55 
68  XmpSidecar(BasicIo::AutoPtr io, bool create);
70 
72 
73  void readMetadata();
74  void writeMetadata();
79  void setComment(const std::string& comment);
81 
83 
84  std::string mimeType() const;
86 
87  private:
89 
90  XmpSidecar(const XmpSidecar& rhs);
93  XmpSidecar& operator=(const XmpSidecar& rhs);
95 
96  Exiv2::Dictionary dates_;
97 
98  }; // class XmpSidecar
99 
100 // *****************************************************************************
101 // template, inline and free functions
102 
103  // These could be static private functions on Image subclasses but then
104  // ImageFactory needs to be made a friend.
110  EXIV2API Image::AutoPtr newXmpInstance(BasicIo::AutoPtr io, bool create);
111 
113  EXIV2API bool isXmpType(BasicIo& iIo, bool advance);
114 
115 } // namespace Exiv2
116 
117 #endif // #ifndef XMPSIDECAR_HPP_
Exiv2::MemIo
Provides binary IO on blocks of memory by implementing the BasicIo interface. A copy-on-write impleme...
Definition: basicio.hpp:540
Exiv2::XmpSidecar::XmpSidecar
XmpSidecar(BasicIo::AutoPtr io, bool create)
Constructor for an XMP sidecar file. Since the constructor can not return a result,...
Definition: xmpsidecar.cpp:54
Exiv2::ImageType::xmp
const int xmp
XMP sidecar files (see class XmpSidecar)
Definition: xmpsidecar.hpp:45
Exiv2::isXmpType
EXIV2API bool isXmpType(BasicIo &iIo, bool advance)
Check if the file iIo is an XMP sidecar file.
Definition: xmpsidecar.cpp:209
Exiv2::Image::xmpPacket_
std::string xmpPacket_
XMP packet.
Definition: image.hpp:493
Exiv2::BasicIo::error
virtual int error() const =0
Returns 0 if the IO source is in a valid state, otherwise nonzero.
Exiv2::Image::iptcData_
IptcData iptcData_
IPTC data container.
Definition: image.hpp:489
Exiv2::IoCloser
Utility class that closes a BasicIo instance upon destruction. Meant to be used as a stack variable i...
Definition: basicio.hpp:264
Exiv2::Dictionary_i
Dictionary::const_iterator Dictionary_i
typedef for Dictionary iterator
Definition: datasets.hpp:372
Exiv2::XmpSidecar::readMetadata
void readMetadata()
Read all metadata supported by a specific image format from the image. Before this method is called,...
Definition: xmpsidecar.cpp:76
Exiv2::XmpSidecar::mimeType
std::string mimeType() const
Return the MIME type of the image.
Definition: xmpsidecar.cpp:65
Exiv2::comment
@ comment
Exiv2 type for the Exif user comment.
Definition: types.hpp:150
Exiv2::XmpData::begin
iterator begin()
Begin of the metadata.
Definition: xmp.cpp:355
Exiv2::strError
EXIV2API std::string strError()
Return a system error message and the error code (errno). See strerror(3).
Definition: futils.cpp:352
Exiv2::Image::exifData_
ExifData exifData_
Exif data container.
Definition: image.hpp:488
Exiv2::copyIptcToXmp
EXIV2API void copyIptcToXmp(const IptcData &iptcData, XmpData &xmpData, const char *iptcCharset=0)
Convert (copy) IPTC datasets to XMP properties.
Definition: convert.cpp:1317
Exiv2::XmpKey
Concrete keys for XMP metadata.
Definition: properties.hpp:241
Exiv2::Image::clearMetadata
virtual void clearMetadata()
Erase all buffered metadata. Metadata is not removed from the actual image until the writeMetadata() ...
Definition: image.cpp:541
Exiv2::XmpData::findKey
iterator findKey(const XmpKey &key)
Find the first Xmpdatum with the given key, return an iterator to it.
Definition: xmp.cpp:339
xmpsidecar.hpp
An Image subclass to support XMP sidecar files.
Exiv2::newXmpInstance
EXIV2API Image::AutoPtr newXmpInstance(BasicIo::AutoPtr io, bool create)
Create a new XmpSidecar instance and return an auto-pointer to it. Caller owns the returned object an...
Definition: xmpsidecar.cpp:200
Exiv2::XmpParser::useCompactFormat
@ useCompactFormat
Use a compact form of RDF.
Definition: xmp_exiv2.hpp:281
Exiv2::copyXmpToExif
EXIV2API void copyXmpToExif(const XmpData &xmpData, ExifData &exifData)
Convert (copy) XMP properties to Exif tags.
Definition: convert.cpp:1298
Exiv2::XmpParser::omitPacketWrapper
@ omitPacketWrapper
Omit the XML packet wrapper.
Definition: xmp_exiv2.hpp:279
Exiv2::XmpParser::encode
static int encode(std::string &xmpPacket, const XmpData &xmpData, uint16_t formatFlags=useCompactFormat, uint32_t padding=0)
Encode (serialize) XMP metadata from xmpData into a string xmpPacket. The XMP packet returned in the ...
Definition: xmp.cpp:836
Exiv2::BasicIo::eof
virtual bool eof() const =0
Returns true if the IO position has reached the end, otherwise false.
Exiv2::BasicIo::read
virtual DataBuf read(long rcount)=0
Read data from the IO source. Reading starts at the current IO position and the position is advanced ...
Exiv2::copyExifToXmp
EXIV2API void copyExifToXmp(const ExifData &exifData, XmpData &xmpData)
Convert (copy) Exif tags to XMP properties.
Definition: convert.cpp:1285
Exiv2
Provides classes and functions to encode and decode Exif and Iptc data. The libexiv2 API consists of ...
Definition: asfvideo.hpp:36
Exiv2::XmpData
A container for XMP data. This is a top-level class of the Exiv2 library.
Definition: xmp_exiv2.hpp:173
convert.hpp
Exif and IPTC conversions to and from XMP.
Exiv2::XmpSidecar
Class to access XMP sidecar files. They contain only XMP metadata.
Definition: xmpsidecar.hpp:51
image.hpp
EXV_WARNING
#define EXV_WARNING
Shorthand for a temp warning log message object and return its ostringstream.
Definition: error.hpp:148
Exiv2::XmpSidecar::writeMetadata
void writeMetadata()
Write metadata back to the image.
Definition: xmpsidecar.cpp:135
Exiv2::XmpData::const_iterator
XmpMetadata::const_iterator const_iterator
XmpMetadata const iterator type.
Definition: xmp_exiv2.hpp:181
Exiv2::Image::io_
BasicIo::AutoPtr io_
Image data IO pointer.
Definition: image.hpp:487
Exiv2::Image::AutoPtr
std::auto_ptr< Image > AutoPtr
Image auto_ptr type.
Definition: image.hpp:84
Exiv2::Image::xmpPacket
virtual std::string & xmpPacket()
Return a modifiable reference to the raw XMP packet.
Definition: image.cpp:566
Exiv2::copyXmpToIptc
EXIV2API void copyXmpToIptc(const XmpData &xmpData, IptcData &iptcData)
Convert (copy) XMP properties to IPTC datasets.
Definition: convert.cpp:1335
Exiv2::BasicIo::AutoPtr
std::auto_ptr< BasicIo > AutoPtr
BasicIo auto_ptr type.
Definition: basicio.hpp:58
Exiv2::Image::writeXmpFromPacket
bool writeXmpFromPacket() const
Return the flag indicating the source when writing XMP metadata.
Definition: image.cpp:728
Exiv2::Error
BasicError< char > Error
Error class used for exceptions (std::string based)
Definition: error.hpp:323
Exiv2::string
@ string
IPTC string type.
Definition: types.hpp:147
Exiv2::Dictionary
std::map< std::string, std::string > Dictionary
typedef for string:string map
Definition: datasets.hpp:364
EXV_ERROR
#define EXV_ERROR
Shorthand for a temp error log message object and return its ostringstream.
Definition: error.hpp:150
Exiv2::BasicIo::seek
virtual int seek(long offset, Position pos)=0
Move the current IO position.
Exiv2::toString
std::string toString(const T &arg)
Utility function to convert the argument of any type to a string.
Definition: types.hpp:521
Exiv2::BasicIo
An interface for simple binary IO.
Definition: basicio.hpp:55
Exiv2::Image::xmpData_
XmpData xmpData_
XMP data container.
Definition: image.hpp:490
Exiv2::XmpSidecar::setComment
void setComment(const std::string &comment)
Not supported. XMP sidecar files do not contain a comment. Calling this function will throw an instan...
Definition: xmpsidecar.cpp:70
Exiv2::Image
Abstract base class defining the interface for an image. This is the top-level interface to the Exiv2...
Definition: image.hpp:81
Exiv2::XmpData::end
iterator end()
End of the metadata.
Definition: xmp.cpp:360
futils.hpp
Basic file utility functions required by Exiv2.
Exiv2::XmpParser::decode
static int decode(XmpData &xmpData, const std::string &xmpPacket)
Decode XMP metadata from an XMP packet xmpPacket into xmpData. The format of the XMP packet must foll...
Definition: xmp.cpp:723
error.hpp
Error class for exceptions, log message class.