CentOS 7.0 - man page for tifffieldwritecount (centos section 3TIFF)
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TIFFFieldWriteCount - Get number of values to be written to field
int TIFFFieldWriteCount(const TIFFField* fip)
TIFFFieldWriteCount returns the number of values to be written into the specified TIFF
field; that is, the number of arguments that should be supplied to TIFFSetField. For most
field types this is a small positive integer, typically 1 or 2, but there are some special
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 TIFFSetField.
TIFF_VARIABLE2 is the same as TIFF_VARIABLE except that the count argument must have type
uint32. (On most modern machines, this makes no practical difference, and the count argu-
ment can simply be an int in either case.)
TIFF_SPP indicates that the number of arguments must be equal to the image's number of
samples per pixel.
fip is a field information pointer previously returned by TIFFFindField, TIFFFieldWithTag,
For most field types, TIFFFieldWriteCount returns the same value as TIFFFieldReadCount,
but there are some exceptions.
TIFFFieldWriteCount returns an integer.
Libtiff library home page: http://www.remotesensing.org/libtiff/
libtiff July 26, 2012 TIFFFieldWriteCount(3TIFF)
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