[REBOL] Re: Case comparison?
From: d4marcus:dtek:chalmers:se at: 16-Oct-2001 21:01
On Mon, 15 Oct 2001, Gregg Irwin wrote:
> << but what does it means to uppercase an image? >>
> It subtracts 32 from the individual R, G, or B values if they are 97 or
> higher (lowercase range +). Although a value of 255 converts to 159 (i.e. 96
> is subtracted).
Which in practice means, if you view an uppercased image, you may notice a
strange kind of posterizing effect. :-)
Marcus
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