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From: eahsnsr@nmt.edu (Eric A. Hobbs)
Newsgroups: comp.sys.atari.st,comp.sys.atari.st.tech
Subject: Re: Flicker Palettes [was Re: Graphics on the STE...]
Message-ID: <1991Apr5.060212.17712@nmt.edu>
Date: 5 Apr 91 06:02:12 GMT
References: <1991Apr3.223921.16258@jato.jpl.nasa.gov> <1991Apr4.052519.9240@wam.umd.edu> <1991Apr4.223506.11715@imada.dk>
Organization: New Mexico Institute of Mining and Technology
Lines: 35

In article <1991Apr4.223506.11715@imada.dk> micro@imada.dk (Klaus Pedersen) writes:

  [stuff deleted]

>
>I have some code at here that can display 256 graylevels on the mono screen.
>(written in C). The program is less than 50 lines long, and features
>an advanced errordiffusion ditering algoritm, with a small edge sharping
>filter (simple laplace). This have been coupled with a 3 screen 'flicker'
>mode. The result is approx. the same as 256 grayscale VGA LCD screens (I
>think mine is better, because there is no shadows running around the screen,
>but...)
>The 3 screens is build to that the 'on' pixels is equally distributed on the
>3 'planes' - this avoids flicker.
>All this could used with color too, and I think the result would be even
>better because you can pick colors which is closer to each other (than on and
>off)... 
>In color mode you can probaly show true-color, but you will need to make some
>additional code, to handle interesting subjets - such as picking reprensative
>colors from the picture file... 
>
>The program IS  quick hack, and therefor it only runs on mono in 640x400.
>I will send the source to who-ever that is interested...
>
>Klaus (micro@imada.dk)


Wow! Now if only someone would write a mono GIF viewer with this!!!
<Hint> <Hint> <Hint>  :-)
I would if I knew how to program!!!


------------
Eric A. HOBBS!
eahsnsr@JUPITER.nmt.edu