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TIFFFieldReadCount.3tiff.html
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<!-- Creator : groff version 1.22.4 --> <!-- CreationDate: Sun Nov 2 19:00:00 2025 --> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta name="generator" content="groff -Thtml, see www.gnu.org"> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <meta name="Content-Style" content="text/css"> <style type="text/css"> p { margin-top: 0; margin-bottom: 0; vertical-align: top } pre { margin-top: 0; margin-bottom: 0; vertical-align: top } table { margin-top: 0; margin-bottom: 0; vertical-align: top } h1 { text-align: center } </style> <title>TIFFFieldReadCount</title> </head> <body> <h1 align="center">TIFFFieldReadCount</h1> <a href="#NAME">NAME</a><br> <a href="#SYNOPSIS">SYNOPSIS</a><br> <a href="#DESCRIPTION">DESCRIPTION</a><br> <a href="#RETURN VALUES">RETURN VALUES</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">TIFFFieldReadCount − Get number of values to be read from field</p> <h2>SYNOPSIS <a name="SYNOPSIS"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><b>#include <tiffio.h></b></p> <p style="margin-left:11%; margin-top: 1em"><b>int TIFFFieldReadCount(const TIFFField*</b> <i>fip</i><b>)</b></p> <h2>DESCRIPTION <a name="DESCRIPTION"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><b>TIFFFieldReadCount</b> returns the number of values available to be read from the specified TIFF field; that is, the number of arguments that should be supplied to <b>TIFFGetField</b>. For most field types this is a small positive integer, typically 1 or 2, but there are some special values: <b><br> TIFF_VARIABLE</b> indicates that a variable number of values is possible; then, a <b>uint16_t</b> <i>count</i> argument and a pointer <i>data</i> argument must be supplied to <b>TIFFGetField</b>. <b><br> TIFF_VARIABLE2</b> is the same as <b>TIFF_VARIABLE</b> except that the <i>count</i> argument must have type <b>uint32_t</b>. <b><br> TIFF_SPP</b> indicates that the number of arguments is equal to the image’s number of samples per pixel.</p> <p style="margin-left:11%; margin-top: 1em"><i>fip</i> is a field information pointer previously returned by <b>TIFFFindField</b>, <b>TIFFFieldWithTag</b>, or <b>TIFFFieldWithName</b>.</p> <h2>RETURN VALUES <a name="RETURN VALUES"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><b>TIFFFieldReadCount</b> returns an integer.</p> <h2>SEE ALSO <a name="SEE ALSO"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><b>libtiff</b>(3TIFF),</p> <p style="margin-left:11%; margin-top: 1em">Libtiff library home page: <b>http://www.simplesystems.org/libtiff/</b></p> <hr> </body> </html>