Subject:
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Re: Graphics Programming on the Apple II (was: Wow! This guy is good!)
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Newsgroups:
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lugnet.off-topic.geek
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Date:
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Wed, 7 Jun 2000 04:20:10 GMT
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Reply-To:
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mattdm@(AntiSpam)mattdm.org
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Viewed:
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829 times
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John J. Ladasky Jr. <ladasky@my-deja.com> wrote:
> A pixel was defined in a rather slippery fashion in Apple II
> "high-resolution" graphics. A pixel was either one bit or two, depending
> on the values of adjacent bits. The four basic colors were blue, violet,
> green, and orange (no yellow!). You could only get white by having two
> adjacent bits turned on. Two adjacent bits turned off = black.
Check this out: <http://grc.com/ctwho.htm>. The "pixels" as you describe
above aren't really whole pixels at all; rather they are subpixels, much
like the red, green, and blue subpixels on a LCD display. This is exactly
the concept Microsoft's Cleartype takes advantage of.
--
Matthew Miller ---> mattdm@mattdm.org
Quotes 'R' Us ---> http://quotes-r-us.org/
Boston University Linux ---> http://linux.bu.edu/
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