src/tiff/html/man/TIFFbuffer.3tiff.html

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<h1 align=center>TIFFBUFFER</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</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>TIFFReadBufferSetup, TIFFWriteBufferSetup &minus; I/O
buffering control routines</p>
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<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
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<pre><b>#include &lt;tiffio.h&gt;

int TIFFReadBufferSetup(TIFF *</b><i>tif</i><b>, tdata_t</b> <i>buffer</i><b>, tsize_t</b> <i>size</i><b>);
int TIFFWriteBufferSetup(TIFF *</b><i>tif</i><b>, tdata_t</b> <i>buffer</i><b>, tsize_t</b> <i>size</i><b>);
</b></pre>
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<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
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<p>The following routines are provided for client-control of
the I/O buffers used by the library. Applications need never
use these routines; they are provided only for
&lsquo;&lsquo;intelligent clients&rsquo;&rsquo; that wish to
optimize memory usage and/or eliminate potential copy
operations that can occur when working with images that have
data stored without compression.</p>
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<p><i>TIFFReadBufferSetup</i> sets up the data buffer used
to read raw (encoded) data from a file. If the specified
pointer is <small>NULL</small> (zero), then a buffer of the
appropriate size is allocated. Otherwise the caller must
guarantee that the buffer is large enough to hold any
individual strip of raw data. <i>TIFFReadBufferSetup</i>
returns a non-zero value if the setup was successful and
zero otherwise.</p>
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<p><i>TIFFWriteBufferSetup</i> sets up the data buffer used
to write raw (encoded) data to a file. If the specified
<i>size</i> is &minus;1 then the buffer size is selected to
hold a complete tile or strip, or at least 8 kilobytes,
whichever is greater. If the specified <i>buffer</i> is
<small>NULL</small> (zero), then a buffer of the appropriate
size is dynamically allocated. <i>TIFFWriteBufferSetup</i>
returns a non-zero value if the setup was successful and
zero otherwise.</p>
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<a name="DIAGNOSTICS"></a>
<h2>DIAGNOSTICS</h2>
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<p><b>%s: No space for data buffer at scanline %ld</b>.
<i>TIFFReadBufferSetup</i> was unable to dynamically
allocate space for a data buffer.</p>
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<p><b>%s: No space for output buffer</b>.
<i>TIFFWriteBufferSetup</i> was unable to dynamically
allocate space for a data buffer.</p>
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<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
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<p><b>libtiff</b>(3TIFF)</p>
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<p>Libtiff library home page:
<b>http://www.remotesensing.org/libtiff/</b></p>
</td>
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	1	<!-- Creator : groff version 1.18.1 -->
	2	<!-- CreationDate: Sat Feb 24 18:37:15 2007 -->
	3	<html>
	4	<head>
	5	<meta name="generator" content="groff -Thtml, see www.gnu.org">
	6	<meta name="Content-Style" content="text/css">
	7	<title>TIFFBUFFER</title>
	8	</head>
	9	<body>
	10
	11	<h1 align=center>TIFFBUFFER</h1>
	12	<a href="#NAME">NAME</a><br>
	13	<a href="#SYNOPSIS">SYNOPSIS</a><br>
	14	<a href="#DESCRIPTION">DESCRIPTION</a><br>
	15	<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
	16	<a href="#SEE ALSO">SEE ALSO</a><br>
	17
	18	<hr>
	19	<a name="NAME"></a>
	20	<h2>NAME</h2>
	21	<!-- INDENTATION -->
	22	<table width="100%" border=0 rules="none" frame="void"
	23	cols="2" cellspacing="0" cellpadding="0">
	24	<tr valign="top" align="left">
	25	<td width="8%"></td>
	26	<td width="91%">
	27	<p>TIFFReadBufferSetup, TIFFWriteBufferSetup − I/O
	28	buffering control routines</p>
	29	</td>
	30	</table>
	31	<a name="SYNOPSIS"></a>
	32	<h2>SYNOPSIS</h2>
	33	<!-- INDENTATION -->
	34	<table width="100%" border=0 rules="none" frame="void"
	35	cols="2" cellspacing="0" cellpadding="0">
	36	<tr valign="top" align="left">
	37	<td width="8%"></td>
	38	<td width="91%">
	39	<pre><b>#include <tiffio.h>
	40
	41	int TIFFReadBufferSetup(TIFF *</b><i>tif</i><b>, tdata_t</b> <i>buffer</i><b>, tsize_t</b> <i>size</i><b>);
	42	int TIFFWriteBufferSetup(TIFF *</b><i>tif</i><b>, tdata_t</b> <i>buffer</i><b>, tsize_t</b> <i>size</i><b>);
	43	</b></pre>
	44	</td>
	45	</table>
	46	<a name="DESCRIPTION"></a>
	47	<h2>DESCRIPTION</h2>
	48	<!-- INDENTATION -->
	49
	50	<table width="100%" border=0 rules="none" frame="void"
	51	cols="2" cellspacing="0" cellpadding="0">
	52	<tr valign="top" align="left">
	53	<td width="8%"></td>
	54	<td width="91%">
	55	<p>The following routines are provided for client-control of
	56	the I/O buffers used by the library. Applications need never
	57	use these routines; they are provided only for
	58	‘‘intelligent clients’’ that wish to
	59	optimize memory usage and/or eliminate potential copy
	60	operations that can occur when working with images that have
	61	data stored without compression.</p>
	62	<!-- INDENTATION -->
	63	<p><i>TIFFReadBufferSetup</i> sets up the data buffer used
	64	to read raw (encoded) data from a file. If the specified
	65	pointer is <small>NULL</small> (zero), then a buffer of the
	66	appropriate size is allocated. Otherwise the caller must
	67	guarantee that the buffer is large enough to hold any
	68	individual strip of raw data. <i>TIFFReadBufferSetup</i>
	69	returns a non-zero value if the setup was successful and
	70	zero otherwise.</p>
	71	<!-- INDENTATION -->
	72	<p><i>TIFFWriteBufferSetup</i> sets up the data buffer used
	73	to write raw (encoded) data to a file. If the specified
	74	<i>size</i> is −1 then the buffer size is selected to
	75	hold a complete tile or strip, or at least 8 kilobytes,
	76	whichever is greater. If the specified <i>buffer</i> is
	77	<small>NULL</small> (zero), then a buffer of the appropriate
	78	size is dynamically allocated. <i>TIFFWriteBufferSetup</i>
	79	returns a non-zero value if the setup was successful and
	80	zero otherwise.</p>
	81	</td>
	82	</table>
	83	<a name="DIAGNOSTICS"></a>
	84	<h2>DIAGNOSTICS</h2>
	85	<!-- INDENTATION -->
	86	<table width="100%" border=0 rules="none" frame="void"
	87	cols="2" cellspacing="0" cellpadding="0">
	88	<tr valign="top" align="left">
	89	<td width="8%"></td>
	90	<td width="91%">
	91	<p><b>%s: No space for data buffer at scanline %ld</b>.
	92	<i>TIFFReadBufferSetup</i> was unable to dynamically
	93	allocate space for a data buffer.</p>
	94	<!-- INDENTATION -->
	95	<p><b>%s: No space for output buffer</b>.
	96	<i>TIFFWriteBufferSetup</i> was unable to dynamically
	97	allocate space for a data buffer.</p>
	98	</td>
	99	</table>
	100	<a name="SEE ALSO"></a>
	101	<h2>SEE ALSO</h2>
	102	<!-- INDENTATION -->
	103	<table width="100%" border=0 rules="none" frame="void"
	104	cols="2" cellspacing="0" cellpadding="0">
	105	<tr valign="top" align="left">
	106	<td width="8%"></td>
	107	<td width="91%">
	108	<p><b>libtiff</b>(3TIFF)</p>
	109	<!-- INDENTATION -->
	110	<p>Libtiff library home page:
	111	<b>http://www.remotesensing.org/libtiff/</b></p>
	112	</td>
	113	</table>
	114	<hr>
	115	</body>
	116	</html>