2002-10-07 09:47:36 -04:00
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<title>TIFFSetDirectory</title>
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<h1 align=center>TIFFSetDirectory</h1>
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<a href="#NAME">NAME</a><br>
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<a href="#SYNOPSIS">SYNOPSIS</a><br>
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<a href="#DESCRIPTION">DESCRIPTION</a><br>
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<a href="#RETURN VALUES">RETURN VALUES</a><br>
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<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
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<a href="#SEE ALSO">SEE ALSO</a><br>
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<!-- Creator : groff version 1.18 -->
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<!-- CreationDate: Mon Oct 7 17:36:22 2002 -->
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<a name="NAME"></a>
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<h2>NAME</h2>
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<td width="8%"></td>
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<td width="91%">
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<p>TIFFSetDirectory, TIFFSetSubDirectory − set the
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current directory for an open <small>TIFF</small> file</p>
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</table></p>
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<a name="SYNOPSIS"></a>
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<h2>SYNOPSIS</h2>
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<td width="91%">
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<p><b>#include <tiffio.h><br>
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int TIFFSetDirectory(TIFF* tif, tdir_t dirnum)<br>
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int TIFFSetSubDirectory(TIFF* tif, uint32 diroff)</b></p>
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</td>
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</table></p>
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<a name="DESCRIPTION"></a>
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<h2>DESCRIPTION</h2>
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<td width="8%"></td>
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<td width="91%">
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<p><i>TIFFSetDirectory</i> changes the current directory and
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reads its contents with <i>TIFFReadDirectory</i>. The
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parameter <i>dirnum</i> specifies the subfile/directory as
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an integer number, with the first directory numbered
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zero.</p>
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<p><i>TIFFSetSubDirectory</i> acts like
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<i>TIFFSetDirectory</i>, except the directory is specified
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as a file offset instead of an index; this is required for
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accessing subdirectories linked through a <i>SubIFD</i>
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tag.</p>
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</td>
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</table></p>
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<a name="RETURN VALUES"></a>
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<h2>RETURN VALUES</h2>
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<p><table width="100%" border=0 rules="none" frame="void"
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<td width="91%">
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<p>On successful return 1 is returned. Otherwise, 0 is
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returned if <i>dirnum</i> or <i>diroff</i> specifies a
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non-existent directory, or if an error was encountered while
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reading the directory’s contents.</p>
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</td>
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</table></p>
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<a name="DIAGNOSTICS"></a>
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<h2>DIAGNOSTICS</h2>
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<p><table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p>All error messages are directed to the
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<i>TIFFError</i>(3T) routine.</p>
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<p><b>%s: Error fetching directory count</b>. An error was
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encountered while reading the ‘‘directory
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count’’ field.</p>
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<!-- INDENTATION -->
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<p><b>%s: Error fetching directory link</b>. An error was
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encountered while reading the ‘‘link
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value’’ that points to the next directory in a
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file.</p>
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</td>
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</table></p>
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<a name="SEE ALSO"></a>
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<h2>SEE ALSO</h2>
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<!-- INDENTATION -->
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<p><table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<td width="8%"></td>
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<td width="91%">
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<p><i>libtiff</i>(3T), <i>TIFFCurrentDirectory</i>(3T),
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<i>TIFFOpen</i>(3T), <i>TIFFReadDirectory</i>(3T),
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<i>TIFFWriteDirectory</i>(3T)</p>
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</td>
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</table></p>
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<hr>
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