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From: reid@cpswh.uucp (Dr Richard J. Reid)
Newsgroups: comp.sys.next
Subject: Re: color NeXTstation
Keywords: color NeXTstation 16 bit
Message-ID: <1990Sep24.154118.27318@msuinfo.cl.msu.edu>
Date: 24 Sep 90 15:41:18 GMT
References: <34@brazos.cs.utexas.edu> <7949@milton.u.washington.edu>
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Organization: Michigan State University, East Lansing
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In article <7949@milton.u.washington.edu> cyliao@hardy.acs.washington.edu (Chun-Yao Liao) writes:
>In article <34@brazos.cs.utexas.edu> garnett@cs.utexas.edu (John William Garnett) writes:
>>I've heard that the color system for the color NeXTstation is
>>16-bit color.  Would anyone care to expound upon this?  Is the
>>16-bit color divided into 4 Red bits, 4 Green bits, and 4 Blue
>>bits (and 4 bits for ?) or does the 16-bits refer to the size of
>>the lookup table (i.e. 2^16 colors selectable from a palette of ?)?
>>
>>Thanks.
>
>	well, the definition of 16-bit color here on NeXTstation means
>	12 bits of colors and 4 bits of transparency. So you actually
>	get only 4096 different colors, but with 4 bits transparency.
>
>
How does this transparency work?  If I set a pixel to fully 
transparent, what do I see through to?  Isn't this 16 bits
all there can be for this position, with nothing behind it?

Thanks,

Dick