2002-10-07 09:47:36 -04:00
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<title>TIFFReadEncodedStrip</title>
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<h1 align=center>TIFFReadEncodedStrip</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="#NOTES">NOTES</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 17:36:16 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><big>TIFFReadEncodedStrip − read and decode a strip
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of data from an open</big> TIFF <big>file</big></p>
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</td>
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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="8%"></td>
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<td width="91%">
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<p><big><b>#include <tiffio.h><br>
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tsize_t TIFFReadEncodedStrip(TIFF* tif, tstrip_t strip,
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tdata_t buf, tsize_t size)</b></big></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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<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><big>Read the specified strip of data and place up to
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<i>size</i> bytes of decompressed information in the (user
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supplied) data buffer.</big></p>
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</td>
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</table></p>
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<a name="NOTES"></a>
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<h2>NOTES</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><big>The value of <i>strip</i> is a ‘‘raw
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strip number.’’ That is, the caller must take
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into account whether or not the data are organized in
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separate planes (<i>PlanarConfiguration</i>=2). To read a
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full strip of data the data buffer should typically be at
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least as large as the number returned by
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<i>TIFFStripSize</i>(3T).</big></p>
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<p><big>The library attempts to hide bit- and byte-ordering
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differences between the image and the native machine by
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converting data to the native machine order. Bit reversal is
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done if the <i>FillOrder</i> tag is opposite to the native
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machine bit order. 16- and 32-bit samples are automatically
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byte-swapped if the file was written with a byte order
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opposite to the native machine byte order,</big></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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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><big>The actual number of bytes of data that were placed
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in <i>buf</i> is returned; <i>TIFFReadEncodedStrip</i>
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returns −1 if an error was encountered.</big></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><big>All error messages are directed to the
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<i>TIFFError</i>(3T) routine.</big></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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<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><big><i>libtiff</i>(3T), <i>TIFFOpen</i>(3T),
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<i>TIFFReadRawStrip</i>(3T),
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<i>TIFFReadScanline</i>(3T)</big></p>
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</td>
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</table></p>
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<hr>
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