On 5/24/05, Todd Geist <email@hidden> wrote:
>
> On May 24, 2005, at 11:53 AM, Martin Orpen wrote:
>
> > To get an 8 bit colour value (2^8) from a 16 bit one (2^16) you
> > need to divide it by 2^8:
> >
> > 58853 div (2 ^ 8)
> >
> > --> 229
> >
> > PS: You can't do this with Photoshop colour values because it uses
> > (2^15)+1 rather than real 16 bit values.
>
>
> actually I beg to differ. it equals 229.89453125
>
> Does that mean that iCal is not using 16 bit colors?
>
> Confused...
Add one to the value you're converting first.
(58853 + 1) div 256
-->229
counting starts with 0 and all that rot...
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