NAME

       TIFFSetTagExtender  -  register  the  merge  function for user defined tags as an extender
       callback with libtiff

SYNOPSIS

          #include <tiffio.h>

       TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc extender)

DESCRIPTION

       TIFFSetTagExtender() is used to register the merge function for user defined  tags  as  an
       extender  callback with libtiff.  A brief description can be found at Defining Application
       Tags.

       NOTE:
          TIFFSetTagExtender() cannot be used to extend custom directories (for example EXIF, GPS
          or  other custom directories).  Only the TIFF directory can be extended with additional
          tags.

SEE ALSO

       libtiff (3tiff), Defining New TIFF Tags (3tiff), TIFFMergeFieldInfo (3tiff)

AUTHOR

       LibTIFF contributors

COPYRIGHT

       1988-2024, LibTIFF contributors