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<title>TIFFFieldWriteCount</title>
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TIFFFieldWriteCount
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NAME
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SYNOPSIS
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DESCRIPTION
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RETURN VALUES
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SEE ALSO
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NAME
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TIFFFieldWriteCount
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− Get number of values to be written to field
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SYNOPSIS
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#include
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<tiffio.h>
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int
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TIFFFieldWriteCount(const TIFFField*
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fip)
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DESCRIPTION
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TIFFFieldWriteCount
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returns the number of values to be written into the
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specified TIFF field; that is, the number of arguments that
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should be supplied to TIFFSetField. For most field
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types this is a small positive integer, typically 1 or 2,
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but there are some special values:
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TIFF_VARIABLE indicates that a variable number of values
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is possible; then, a uint16 count argument and
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a pointer data argument must be supplied to
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TIFFSetField.
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TIFF_VARIABLE2 is the same as TIFF_VARIABLE
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except that the count argument must have type
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uint32. (On most modern machines, this makes no
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practical difference, and the count argument can
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simply be an int in either case.)
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TIFF_SPP indicates that the number of arguments must be
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equal to the image’s number of samples per pixel.
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fip is a
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field information pointer previously returned by
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TIFFFindField, TIFFFieldWithTag, or
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TIFFFieldWithName.
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For most field
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types, TIFFFieldWriteCount returns the same value as
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TIFFFieldReadCount, but there are some
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exceptions.
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RETURN VALUES
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TIFFFieldWriteCount
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returns an integer.
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SEE ALSO
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libtiff(3TIFF),
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Libtiff library
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home page: http://www.simplesystems.org/libtiff/
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</body>
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</html>
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