.\" $Id: TIFFFieldTag.3tiff,v 1.1 2012-07-29 15:45:30 tgl Exp $

.\"

.\" Copyright (c) 2012, Tom Lane <tgl@sss.pgh.pa.us>

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.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,

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.if n .po 0

.TH TIFFFieldTag 3TIFF "July 26, 2012" "libtiff"

.SH NAME

TIFFFieldTag \- Get TIFF field tag value from field information

.SH SYNOPSIS

.B "#include <tiffio.h>"

.sp

.BI "uint32 TIFFFieldTag(const TIFFField* " fip ")"

.SH DESCRIPTION

.BR TIFFFieldTag

returns the numeric tag value for a TIFF field.

This can be compared to various constants exported by the

.BR libtiff

header files, such as

.BR TIFFTAG_IMAGEWIDTH .

.P

.I fip

is a field information pointer previously returned by

.BR TIFFFindField ,

.BR TIFFFieldWithTag ,

or

.BR TIFFFieldWithName .

.br

.SH "RETURN VALUES"

.br

.BR TIFFFieldTag

returns an integer tag value.

.br

.SH "SEE ALSO"

.BR libtiff (3TIFF),

.PP

Libtiff library home page:

.BR http://www.remotesensing.org/libtiff/