home *** CD-ROM | disk | FTP | other *** search
- Path: comma.rhein.de!serpens!not-for-mail
- From: mlelstv@serpens.rhein.de (Michael van Elst)
- Newsgroups: comp.sys.amiga.misc
- Subject: Re: Hombre history - RISC selection
- Date: 7 Jan 1996 19:11:26 +0100
- Organization: dis-
- Message-ID: <4cp2ce$d5c@serpens.rhein.de>
- References: <john.hendrikx.44bw@grafix.xs4all.nl>
- NNTP-Posting-Host: serpens.rhein.de
-
- john.hendrikx@grafix.xs4all.nl (John Hendrikx) writes:
-
- >Wrong at both counts. 16-bit modes has 5-bits for Red and Blue and 6 for
- >Green. HAM8 has 6-bits for Red, Green and Blue, BUT, it can only change one of
- >them at the time.
-
- Right.. means that sometimes it can adjust the color more precise and sometimes
- it can't.
-
- >So although HAM8 can display more colors, it usually has to
- >'pray' that changing only the Red, Green or Blue component will actually
- >produce a good match of the color which is REALLY wanted.
-
- Experience shows that this works fine for digitized images and the extra
- resolution of a potential 24bit colormap improves the result too.
-
- >Correct, but if you use Dithering with HAM the result won't look that much
- >better,
-
- It just doesn't look much better if the display was pretty good in the first
- place.
-
- >while dithering can do miracles for other types of screens (like 16-bit
- >screens).
-
- It does same for every kind of display. Just have a look at what errors
- exist (compared to the true color image of infinite resolution).
-
- >Actually it is limited to 16 million colors, but only if you set the
- >base-palette right.
-
- Right. That's why 262000 colors is a more practical value.
-
- >Of course for all practical uses you'll rarely have more
- >than say 10000 colors on screen, so this is not very interesting anyway.
-
- It doesn't matter how many different colors you can see in a single image.
- It does matter what colors you can reach.
-
- --
- Michael van Elst
-
- Internet: mlelstv@serpens.rhein.de
- "A potential Snark may lurk in every tree."
-