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<!-- Creator     : groff version 1.20.1 -->
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<title>TIFFGetField</title>

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<h1 align="center">TIFFGetField</h1>

<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#AUTOREGISTERED TAGS">AUTOREGISTERED TAGS</a><br>
<a href="#RETURN VALUES">RETURN VALUES</a><br>
<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>

<hr>


<h2>NAME
<a name="NAME"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">TIFFGetField,
TIFFVGetField &minus; get the value(s) of a tag in an open
<small>TIFF</small> file</p>

<h2>SYNOPSIS
<a name="SYNOPSIS"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em"><b>#include
&lt;tiffio.h&gt;</b></p>

<p style="margin-left:11%; margin-top: 1em"><b>int
TIFFGetField(TIFF *</b><i>tif</i><b>, ttag_t</b>
<i>tag</i><b>,</b> <i>...</i><b>)</b></p>

<p style="margin-left:11%; margin-top: 1em"><b>#include
&lt;stdarg.h&gt;</b></p>

<p style="margin-left:11%; margin-top: 1em"><b>int
TIFFVGetField(TIFF *</b><i>tif</i><b>, ttag_t</b>
<i>tag</i><b>, va_list</b> <i>ap</i><b>) <br>
int TIFFGetFieldDefaulted(TIFF *</b><i>tif</i><b>,
ttag_t</b> <i>tag</i><b>,</b> <i>...</i><b>) <br>
int TIFFVGetFieldDefaulted(TIFF *</b><i>tif</i><b>,
ttag_t</b> <i>tag</i><b>, va_list</b> <i>ap</i><b>)</b></p>

<h2>DESCRIPTION
<a name="DESCRIPTION"></a>
</h2>



<p style="margin-left:11%; margin-top: 1em"><b><i>TIFFGetField</i></b>
returns the value of a tag or pseudo-tag associated with the
the current directory of the opened <small>TIFF</small> file
<i>tif</i>. (A <i>pseudo-tag</i> is a parameter that is used
to control the operation of the <small>TIFF</small> library
but whose value is not read or written to the underlying
file.) The file must have been previously opened with
<i>TIFFOpen</i>(3TIFF). The tag is identified by <i>tag</i>,
one of the values defined in the include file <b>tiff.h</b>
(see also the table below). The type and number of values
returned is dependent on the tag being requested. The
programming interface uses a variable argument list as
prescribed by the <i>stdarg</i>(3) interface. The returned
values should only be interpreted if <i>TIFFGetField</i>
returns 1.</p>


<p style="margin-left:11%; margin-top: 1em"><i>TIFFVGetField</i>
is functionally equivalent to <i>TIFFGetField</i> except
that it takes a pointer to a variable argument list.
<i>TIFFVGetField</i> is useful for layering interfaces on
top of the functionality provided by
<i>TIFFGetField</i>.</p>


<p style="margin-left:11%; margin-top: 1em"><i>TIFFGetFieldDefaulted</i>
and <i>TIFFVGetFieldDefaulted</i> are identical to
<i>TIFFGetField</i> and <i>TIFFVGetField</i>, except that if
a tag is not defined in the current directory and it has a
default value, then the default value is returned.</p>

<p style="margin-left:11%; margin-top: 1em">The tags
understood by <i>libtiff(3TIFF),</i> the number of parameter
values, and the types for the returned values are shown
below. The data types are specified as in C and correspond
to the types used to specify tag values to
<i>TIFFSetField</i>(3TIFF). Remember that
<i>TIFFGetField</i> returns parameter values, so all the
listed data types are pointers to storage where values
should be returned. Consult the <small>TIFF</small>
specification (or relevant industry specification) for
information on the meaning of each tag and their possible
values.</p>

<table width="100%" border="0" rules="none" frame="void"
       cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p><i>Tag Name</i></p></td>
<td width="11%"></td>
<td width="28%">


<p><i>Count</i></p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p><i>Types</i></p></td>
<td width="12%">


<p><i>Notes</i></p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_ARTIST</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_BADFAXLINES</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_BITSPERSAMPLE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_CLEANFAXDATA</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_COLORMAP</p></td>
<td width="11%"></td>
<td width="28%">


<p>3</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16**</p></td>
<td width="12%">


<p>1&lt;&lt;BitsPerSample arrays</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_COMPRESSION</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_CONSECUTIVEBADFAXLINES</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_COPYRIGHT</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_DATATYPE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_DATETIME</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_DOCUMENTNAME</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_DOTRANGE</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_EXTRASAMPLES</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*,uint16**</p></td>
<td width="12%">


<p>count &amp; types array</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_FAXFILLFUNC</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>TIFFFaxFillFunc*</p></td>
<td width="12%">


<p>G3/G4 compression pseudo-tag</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_FAXMODE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>int*</p></td>
<td width="12%">


<p>G3/G4 compression pseudo-tag</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_FILLORDER</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_GROUP3OPTIONS</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_GROUP4OPTIONS</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_HALFTONEHINTS</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_HOSTCOMPUTER</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_ICCPROFILE</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*,void**</p></td>
<td width="12%">


<p>count, profile data</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_IMAGEDEPTH</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_IMAGEDESCRIPTION</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_IMAGELENGTH</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_IMAGEWIDTH</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_INKNAMES</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_INKSET</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_JPEGCOLORMODE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>int*</p></td>
<td width="12%">


<p>JPEG pseudo-tag</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_JPEGQUALITY</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>int*</p></td>
<td width="12%">


<p>JPEG pseudo-tag</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_JPEGTABLES</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*,void**</p></td>
<td width="12%">


<p>count &amp; tables</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_JPEGTABLESMODE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>int*</p></td>
<td width="12%">


<p>JPEG pseudo-tag</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_MAKE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_MATTEING</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_MAXSAMPLEVALUE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_MINSAMPLEVALUE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_MODEL</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_ORIENTATION</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_PAGENAME</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_PAGENUMBER</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_PHOTOMETRIC</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_PHOTOSHOP</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*,void**</p></td>
<td width="12%">


<p>count, data</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_PLANARCONFIG</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_PREDICTOR</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_PRIMARYCHROMATICITIES</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>float**</p></td>
<td width="12%">


<p>6-entry array</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_REFERENCEBLACKWHITE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>float**</p></td>
<td width="12%">


<p>6-entry array</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_RESOLUTIONUNIT</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_RICHTIFFIPTC</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*,void**</p></td>
<td width="12%">


<p>count, data</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_ROWSPERSTRIP</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_SAMPLEFORMAT</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_SAMPLESPERPIXEL</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_SMAXSAMPLEVALUE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>double*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_SMINSAMPLEVALUE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>double*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_SOFTWARE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_STONITS</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>double**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_STRIPBYTECOUNTS</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_STRIPOFFSETS</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_SUBFILETYPE</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_SUBIFD</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*,uint32**</p></td>
<td width="12%">


<p>count &amp; offsets array</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_TARGETPRINTER</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>char**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_THRESHHOLDING</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_TILEBYTECOUNTS</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_TILEDEPTH</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_TILELENGTH</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_TILEOFFSETS</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32**</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_TILEWIDTH</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_TRANSFERFUNCTION</p></td>
<td width="11%"></td>
<td width="28%">


<p>1 or 3&dagger;</p></td>
<td width="12%">


<p>uint16**1&lt;&lt;BitsPerSample entry arrays</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_WHITEPOINT</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>float**</p></td>
<td width="12%">


<p>2-entry array</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_XMLPACKET</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint32*,void**</p></td>
<td width="12%">


<p>count, data</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_XPOSITION</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>float*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_XRESOLUTION</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>float*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_YCBCRCOEFFICIENTS</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>float**</p></td>
<td width="12%">


<p>3-entry array</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_YCBCRPOSITIONING</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_YCBCRSUBSAMPLING</p></td>
<td width="11%"></td>
<td width="28%">


<p>2</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>uint16*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_YPOSITION</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>float*</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%">


<p>TIFFTAG_YRESOLUTION</p></td>
<td width="11%"></td>
<td width="28%">


<p>1</p></td>
<td width="12%">
</td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="38%"></td>
<td width="11%"></td>
<td width="28%">


<p>float*&Dagger;</p></td>
<td width="12%">
</td></tr>
</table>

<p style="margin-left:11%;">&dagger; If
<i>SamplesPerPixel</i> is one, then a single array is
returned; otherwise three arrays are returned. <br>
&Dagger; The contents of this field are quite complex. See
<i>The ICC Profile Format Specification</i>, Annex B.3
&quot;Embedding ICC Profiles in TIFF Files&quot; (available
at http://www.color.org) for an explanation.</p>

<h2>AUTOREGISTERED TAGS
<a name="AUTOREGISTERED TAGS"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">If you
can&rsquo;t find the tag in the table above that means this
is unsupported tag. But you still be able to read it&rsquo;s
value if you know the data type of that tag. For example, if
you want to read the LONG value from the tag 33424 and ASCII
string from the tag 36867 you can use the following
code:</p>

<p style="margin-left:22%; margin-top: 1em">uint16 count;
<br>
void *data;</p>


<p style="margin-left:22%; margin-top: 1em">TIFFGetField(tiff,
33424, &amp;count, &amp;data); <br>
printf(&quot;Tag %d: %d, count %d0, 33424, *(uint32 *)data,
count); <br>
TIFFGetField(tiff, 36867, &amp;count, &amp;data); <br>
printf(&quot;Tag %d: %s, count %d0, 36867, (char *)data,
count);</p>

<p style="margin-left:11%; margin-top: 1em">is not
supported by <b>libtiff(3TIFF),</b> library</p>

<h2>RETURN VALUES
<a name="RETURN VALUES"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">1 is returned
if the tag is defined in the current directory; otherwise a
0 is returned.</p>

<h2>DIAGNOSTICS
<a name="DIAGNOSTICS"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">All error
messages are directed to the <b>TIFFError</b>(3TIFF)
routine.</p>

<p style="margin-left:11%; margin-top: 1em"><b>Unknown
field, tag 0x%x</b>. An unknown tag was supplied.</p>

<h2>SEE ALSO
<a name="SEE ALSO"></a>
</h2>



<p style="margin-left:11%; margin-top: 1em"><b>TIFFOpen</b>(3TIFF),
<b>TIFFSetField</b>(3TIFF), <b>TIFFSetDirectory</b>(3TIFF),
<b>TIFFReadDirectory</b>(3TIFF),
<b>TIFFWriteDirectory</b>(3TIFF) <b>libtiff</b>(3TIFF),</p>

<p style="margin-left:11%; margin-top: 1em">Libtiff library
home page: <b>http://www.remotesensing.org/libtiff/</b></p>
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</html>

Filemanager

DIR : / usr/ share/ doc/ libtiff-devel-4.0.3/ html/ man/
Name Type Size Permission Actions
TIFFClose.3tiff.html File 2.42 KB 0644
TIFFDataWidth.3tiff.html File 2.5 KB 0644
TIFFError.3tiff.html File 3.17 KB 0644
TIFFFieldDataType.3tiff.html File 2.13 KB 0644
TIFFFieldName.3tiff.html File 2.08 KB 0644
TIFFFieldPassCount.3tiff.html File 2.55 KB 0644
TIFFFieldReadCount.3tiff.html File 2.75 KB 0644
TIFFFieldTag.3tiff.html File 2.2 KB 0644
TIFFFieldWriteCount.3tiff.html File 3.07 KB 0644
TIFFFlush.3tiff.html File 3.27 KB 0644
TIFFGetField.3tiff.html File 32.67 KB 0644
TIFFOpen.3tiff.html File 13.38 KB 0644
TIFFPrintDirectory.3tiff.html File 4.62 KB 0644
TIFFRGBAImage.3tiff.html File 12.02 KB 0644
TIFFReadDirectory.3tiff.html File 7.91 KB 0644
TIFFReadEncodedStrip.3tiff.html File 4.2 KB 0644
TIFFReadEncodedTile.3tiff.html File 4.04 KB 0644
TIFFReadRGBAImage.3tiff.html File 10.24 KB 0644
TIFFReadRGBAStrip.3tiff.html File 7.31 KB 0644
TIFFReadRGBATile.3tiff.html File 8.28 KB 0644
TIFFReadRawStrip.3tiff.html File 3.26 KB 0644
TIFFReadRawTile.3tiff.html File 3.34 KB 0644
TIFFReadScanline.3tiff.html File 5.13 KB 0644
TIFFReadTile.3tiff.html File 4.18 KB 0644
TIFFSetDirectory.3tiff.html File 3.74 KB 0644
TIFFSetField.3tiff.html File 30.36 KB 0644
TIFFWarning.3tiff.html File 3.27 KB 0644
TIFFWriteDirectory.3tiff.html File 6.33 KB 0644
TIFFWriteEncodedStrip.3tiff.html File 4.97 KB 0644
TIFFWriteEncodedTile.3tiff.html File 4.78 KB 0644
TIFFWriteRawStrip.3tiff.html File 4.41 KB 0644
TIFFWriteRawTile.3tiff.html File 3.88 KB 0644
TIFFWriteScanline.3tiff.html File 7.21 KB 0644
TIFFWriteTile.3tiff.html File 3.55 KB 0644
TIFFbuffer.3tiff.html File 3.79 KB 0644
TIFFcodec.3tiff.html File 3.61 KB 0644
TIFFcolor.3tiff.html File 22.23 KB 0644
TIFFmemory.3tiff.html File 3.49 KB 0644
TIFFquery.3tiff.html File 5.04 KB 0644
TIFFsize.3tiff.html File 2.68 KB 0644
TIFFstrip.3tiff.html File 4.25 KB 0644
TIFFswab.3tiff.html File 3.41 KB 0644
TIFFtile.3tiff.html File 4.9 KB 0644
bmp2tiff.1.html File 3.49 KB 0644
fax2ps.1.html File 7.56 KB 0644
fax2tiff.1.html File 14.37 KB 0644
gif2tiff.1.html File 3.8 KB 0644
index.html File 3.7 KB 0644
libtiff.3tiff.html File 24 KB 0644
pal2rgb.1.html File 5.12 KB 0644
ppm2tiff.1.html File 3.89 KB 0644
ras2tiff.1.html File 3.96 KB 0644
raw2tiff.1.html File 12.45 KB 0644
rgb2ycbcr.1.html File 4.14 KB 0644
thumbnail.1.html File 3.97 KB 0644
tiff2bw.1.html File 3.96 KB 0644
tiff2pdf.1.html File 17.52 KB 0644
tiff2ps.1.html File 12.77 KB 0644
tiff2rgba.1.html File 4.48 KB 0644
tiffcmp.1.html File 4.3 KB 0644
tiffcp.1.html File 14.98 KB 0644
tiffcrop.1.html File 19.92 KB 0644
tiffdither.1.html File 5.43 KB 0644
tiffdump.1.html File 4.31 KB 0644
tiffinfo.1.html File 4.35 KB 0644
tiffmedian.1.html File 5.03 KB 0644
tiffset.1.html File 4.8 KB 0644
tiffsplit.1.html File 2.86 KB 0644