107 lines
3.9 KiB
HTML
107 lines
3.9 KiB
HTML
<html>
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<head>
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<meta name="Content-Style" content="text/css">
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<title>TIFFBUFFER</title>
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</head>
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<body>
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<h1 align=center>TIFFBUFFER</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="#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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<!-- Creator : groff version 1.17.2 -->
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<!-- CreationDate: Thu Nov 27 17:57:58 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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TIFFReadBufferSetup, TIFFWriteBufferSetup - I/O buffering control routines</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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<pre><b>#include <tiffio.h>
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int TIFFReadBufferSetup(TIFF*, tdata_t buffer, tsize_t size);
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int TIFFWriteBufferSetup(TIFF*, tdata_t buffer, tsize_t size);
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</b></pre></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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The following routines are provided for client-control of
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the I/O buffers used by the library. Applications need never
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use these routines; they are provided only for ``intelligent
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clients'' that wish to optimize memory usage and/or
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eliminate potential copy operations that can occur when
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working with images that have data stored without
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compression.</td></table>
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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>TIFFReadBufferSetup</i> sets up the data buffer used to
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read raw (encoded) data from a file. If the specified
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pointer is <small>NULL</small> (zero), then a buffer of the
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appropriate size is allocated. Otherwise the caller must
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guarantee that the buffer is large enough to hold any
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individual strip of raw data. <i>TIFFReadBufferSetup</i>
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returns a non-zero value if the setup was successful and
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zero otherwise.</td></table>
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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>TIFFWriteBufferSetup</i> sets up the data buffer used to
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write raw (encoded) data to a file. If the specified
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<i>size</i> is -1 then the buffer size is selected to hold a
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complete tile or strip, or at least 8 kilobytes, whichever
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is greater. If the specified <i>buffer</i> is
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<small>NULL</small> (zero), then a buffer of the appropriate
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size is dynamically allocated. <i>TIFFWriteBufferSetup</i>
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returns a non-zero value if the setup was successful and
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zero otherwise.</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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<b>%s: No space for data buffer at scanline %ld</b>.
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<i>TIFFReadBufferSetup</i> was unable to dynamically
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allocate space for a data buffer.</td></table>
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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>%s: No space for output buffer</b>.
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<i>TIFFWriteBufferSetup</i> was unable to dynamically
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allocate space for a data buffer.</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)</td></table>
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<hr>
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</body>
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</html>
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