2005-11-02 06:07:18 -05:00
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.\" $Id: TIFFSetDirectory.3tiff,v 1.2 2005-11-02 11:07:18 dron Exp $
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2004-11-11 09:39:16 -05:00
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.\"
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.\" Copyright (c) 1988-1997 Sam Leffler
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.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
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.\"
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.\" Permission to use, copy, modify, distribute, and sell this software and
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.\" its documentation for any purpose is hereby granted without fee, provided
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.\" that (i) the above copyright notices and this permission notice appear in
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.\" all copies of the software and related documentation, and (ii) the names of
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.\" Sam Leffler and Silicon Graphics may not be used in any advertising or
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.\" publicity relating to the software without the specific, prior written
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.\" permission of Sam Leffler and Silicon Graphics.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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.\"
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.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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.\" OF THIS SOFTWARE.
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.\"
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.if n .po 0
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.TH TIFFSetDirectory 3TIFF "October 15, 1995" "libtiff"
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.SH NAME
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TIFFSetDirectory, TIFFSetSubDirectory \- set the current directory for an open
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.SM TIFF
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file
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.SH SYNOPSIS
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.B "#include <tiffio.h>"
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.sp
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.BI "int TIFFSetDirectory(TIFF *" tif ", tdir_t " dirnum ")"
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.br
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.BI "int TIFFSetSubDirectory(TIFF *" tif ", uint32 " diroff ")"
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.SH DESCRIPTION
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.I TIFFSetDirectory
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changes the current directory and reads its contents with
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.IR TIFFReadDirectory .
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The parameter
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.I dirnum
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specifies the subfile/directory as an integer number, with the first directory
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numbered zero.
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.PP
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.I TIFFSetSubDirectory
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acts like
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.IR TIFFSetDirectory ,
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except the directory is specified as a file offset instead of an index; this
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is required for accessing subdirectories linked through a
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.I SubIFD
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tag.
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.SH "RETURN VALUES"
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On successful return 1 is returned. Otherwise, 0 is returned if
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.I dirnum
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or
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.I diroff
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specifies a non-existent directory, or if an error was encountered while
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reading the directory's contents.
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.SH DIAGNOSTICS
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All error messages are directed to the
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.IR TIFFError (3TIFF)
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routine.
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.PP
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.BR "%s: Error fetching directory count" .
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An error was encountered while reading the ``directory count'' field.
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.PP
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.BR "%s: Error fetching directory link" .
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An error was encountered while reading the ``link value'' that points to the
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next directory in a file.
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.SH "SEE ALSO"
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.IR TIFFCurrentDirectory (3TIFF),
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.IR TIFFOpen (3TIFF),
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.IR TIFFReadDirectory (3TIFF),
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2005-11-02 06:07:18 -05:00
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.IR TIFFWriteDirectory (3TIFF),
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.IR libtiff (3TIFF)
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.PP
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Libtiff library home page:
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.BR http://www.remotesensing.org/libtiff/
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