2002-10-07 09:47:36 -04:00
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<title>TIFFReadRawTile</title>
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<h1 align=center>TIFFReadRawTile</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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<hr>
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2003-11-27 10:07:01 -05:00
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<!-- Creator : groff version 1.17.2 -->
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2003-12-21 16:47:11 -05:00
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<!-- CreationDate: Mon Dec 22 00:39:24 2003 -->
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<a name="NAME"></a>
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<h2>NAME</h2>
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<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="10%"></td><td width="90%">
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TIFFReadRawTile - return an undecoded tile of data from an open <small>TIFF</small> file</td></table>
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<a name="SYNOPSIS"></a>
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<h2>SYNOPSIS</h2>
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<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="10%"></td><td width="90%">
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<b>#include <tiffio.h><br>
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tsize_t TIFFReadRawTile(TIFF* tif, ttile_t tile, tdata_t
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buf, tsize_t size)</b></td></table>
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<a name="DESCRIPTION"></a>
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<h2>DESCRIPTION</h2>
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<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="10%"></td><td width="90%">
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Read the contents of the specified tile into the (user
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supplied) data buffer. Note that the value of <i>tile</i> is
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a ``raw tile number.'' That is, the caller must take into
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account whether or not the data is organized in separate
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planes (<i>PlanarConfiguration</i>=2).
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<i>TIFFComputeTile</i> automatically does this when
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converting an (x,y,z,sample) coordinate quadruple to a tile
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number. To read a full tile of data the data buffer should
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typically be at least as large as the value returned by
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<i>TIFFTileSize</i>.</td></table>
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<a name="RETURN VALUES"></a>
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<h2>RETURN VALUES</h2>
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<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="10%"></td><td width="90%">
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The actual number of bytes of data that were placed in
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<i>buf</i> is returned; <i>TIFFReadEncodedTile</i> returns
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-1 if an error was encountered.</td></table>
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<a name="DIAGNOSTICS"></a>
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<h2>DIAGNOSTICS</h2>
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<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="10%"></td><td width="90%">
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All error messages are directed to the <i>TIFFError</i>(3T)
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routine.</td></table>
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<a name="SEE ALSO"></a>
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<h2>SEE ALSO</h2>
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<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="10%"></td><td width="90%">
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<i>libtiff</i>(3T), <i>TIFFOpen</i>(3T),
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<i>TIFFReadEncodedTile</i>(3T), <i>TIFFReadTile</i>(3T),
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<i>TIFFTileSize</i>(3T)</td></table>
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<hr>
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