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<title>TIFFFieldReadCount</title>

TIFFFieldReadCount

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUES

SEE ALSO

NAME

TIFFFieldReadCount

− Get number of values to be read from field

SYNOPSIS

#include

<tiffio.h>

int

TIFFFieldReadCount(const TIFFField*

fip)

DESCRIPTION

TIFFFieldReadCount

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 TIFFGetField. For most field

types this is a small positive integer, typically 1 or 2,

but there are some special values: 

TIFF_VARIABLE indicates that a variable number of values

is possible; then, a uint16 count argument and

a pointer data argument must be supplied to

TIFFGetField. 

TIFF_VARIABLE2 is the same as TIFF_VARIABLE

except that the count argument must have type

uint32. 

TIFF_SPP indicates that the number of arguments is equal

to the image’s number of samples per pixel.

fip is a

field information pointer previously returned by

TIFFFindField, TIFFFieldWithTag, or

TIFFFieldWithName.

RETURN VALUES

TIFFFieldReadCount

returns an integer.

SEE ALSO

libtiff(3TIFF),

Libtiff library

home page: http://www.remotesensing.org/libtiff/