| From: | Michael Gravgaard |
| Date: | 13 Oct 99 at 19:09:18 |
| Subject: | Re: Re: Numeric Transparancy |
From: "Michael Gravgaard" <Michael@Smallville97.freeserve.co.uk>
> >> A palette for a palette-based image is a list of colours. There could
be
> >> from 2 to 256 colours. (Or more in theory.)
> >>
>
> > Your are talking about AGA here, because OCS/ECS can only handle
> > colour values upto 15 (for example Red 15, Green 15, Blue 15).
>
> > If you multiply 15x15x15=the answer should be 4096 (4096 colours
> > though HAM). The AGA chipset could do 256x256x256= should
> > be 16.7 million colours (though HAM ofcourse).
>
> The original email was about transparent GIF images. These can have only
up to
> 256 different colours defined out of a choice of 16.7 million, ie the same
as
> an 8-bit 256 colour AGA screen. Talk of OCS/ECS/HAM is irrelevant here!
>
> BTW, AGA can only do 262,144 colours at a time through HAM8 as there are
only
> 64 levels of red, green and blue to choose from in this mode (though
> undoubtedly there are various software tricks which allow more).
>
I was talking about the palette, not the amount of colours on the screen.
--------------------------- ONElist Sponsor ----------------------------
??? Computer Questions ==> Free Answers From Live Experts ! ! !
go to EXPERTCITY.COM
<a href=" http://clickme.onelist.com/ad/expertcity15 ">Click Here</a>
------------------------------------------------------------------------
Quote carefully and read all ADMIN:README mails