TIFFSetDirectory(3TIFF) - phpMan

TIFFSetDirectory(3TIFF)                                                   TIFFSetDirectory(3TIFF)



NAME
       TIFFSetDirectory, TIFFSetSubDirectory - set the current directory for an open TIFF file

SYNOPSIS
       #include <tiffio.h>

       int TIFFSetDirectory(TIFF *tif, tdir_t dirnum)
       int TIFFSetSubDirectory(TIFF *tif, uint32 diroff)

DESCRIPTION
       TIFFSetDirectory  changes the current directory and reads its contents with TIFFReadDirec-
       tory.  The parameter dirnum specifies the subfile/directory as an integer number, with the
       first directory numbered zero.

       TIFFSetSubDirectory  acts  like  TIFFSetDirectory,  except the directory is specified as a
       file offset instead of an index; this is  required  for  accessing  subdirectories  linked
       through a SubIFD tag.

RETURN VALUES
       On successful return 1 is returned. Otherwise, 0 is returned if dirnum or diroff specifies
       a non-existent directory, or if an error was encountered  while  reading  the  directory's
       contents.

DIAGNOSTICS
       All error messages are directed to the TIFFError(3TIFF) routine.

       %s:  Error  fetching directory count.  An error was encountered while reading the ``direc-
       tory count'' field.

       %s: Error fetching directory link.  An error was  encountered  while  reading  the  ``link
       value'' that points to the next directory in a file.

SEE ALSO
       TIFFCurrentDirectory(3TIFF),  TIFFOpen(3TIFF),  TIFFReadDirectory(3TIFF),  TIFFWriteDirec-
       tory(3TIFF), libtiff(3TIFF)

       Libtiff library home page: http://www.remotesensing.org/libtiff/



libtiff                                  October 15, 1995                 TIFFSetDirectory(3TIFF)

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