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TIFFSetDirectory.3tiff.html
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TIFFSetDirectory.3tiff.html
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<!-- Creator : groff version 1.18.1 -->
<!-- CreationDate: Sat Feb 24 18:37:17 2007 -->
<html>
<head>
<meta name="generator" content="groff -Thtml, see www.gnu.org">
<meta name="Content-Style" content="text/css">
<title>TIFFSetDirectory</title>
</head>
<body>
<h1 align=center>TIFFSetDirectory</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#RETURN VALUES">RETURN VALUES</a><br>
<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
<a name="NAME"></a>
<h2>NAME</h2>
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<p>TIFFSetDirectory, TIFFSetSubDirectory − set the
current directory for an open <small>TIFF</small> file</p>
</td>
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<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
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<p><b>#include <tiffio.h></b></p>
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<p><b>int TIFFSetDirectory(TIFF *</b><i>tif</i><b>,
tdir_t</b> <i>dirnum</i><b>)<br>
int TIFFSetSubDirectory(TIFF *</b><i>tif</i><b>, uint32</b>
<i>diroff</i><b>)</b></p>
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<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
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<p><i>TIFFSetDirectory</i> changes the current directory and
reads its contents with <i>TIFFReadDirectory</i>. The
parameter <i>dirnum</i> specifies the subfile/directory as
an integer number, with the first directory numbered
zero.</p>
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<p><i>TIFFSetSubDirectory</i> acts like
<i>TIFFSetDirectory</i>, except the directory is specified
as a file offset instead of an index; this is required for
accessing subdirectories linked through a <i>SubIFD</i>
tag.</p>
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<a name="RETURN VALUES"></a>
<h2>RETURN VALUES</h2>
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<p>On successful return 1 is returned. Otherwise, 0 is
returned if <i>dirnum</i> or <i>diroff</i> specifies a
non-existent directory, or if an error was encountered while
reading the directory’s contents.</p>
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<a name="DIAGNOSTICS"></a>
<h2>DIAGNOSTICS</h2>
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<p>All error messages are directed to the
<i>TIFFError</i>(3TIFF) routine.</p>
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<p><b>%s: Error fetching directory count</b>. An error was
encountered while reading the ‘‘directory
count’’ field.</p>
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<p><b>%s: Error fetching directory link</b>. An error was
encountered while reading the ‘‘link
value’’ that points to the next directory in a
file.</p>
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<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
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<p><i>TIFFCurrentDirectory</i>(3TIFF),
<i>TIFFOpen</i>(3TIFF), <i>TIFFReadDirectory</i>(3TIFF),
<i>TIFFWriteDirectory</i>(3TIFF), <i>libtiff</i>(3TIFF)</p>
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<p>Libtiff library home page:
<b>http://www.simplesystems.org/libtiff/</b></p>
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