nanogui: Pixmaps


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Subject: Pixmaps
From: Alex Holden ####@####.####
Date: 20 May 1999 00:07:59 -0000
Message-Id: <Pine.LNX.4.04.9905200050410.5020-100000@hyperspace>

I just read the official X11 manual again (a very nice piece of
documentation- it's interesting to see how closely mini-X was modelled on
X) in an effort to understand something which has never made sense to me.
I still don't get it. Why do pixmaps have depth? There doesn't seem to be
any way of making use of anything other than the top layer, so what is the
point of letting them have an arbritrary number of layers? I can see the
point of server side bitmaps, sure, but what use are multi-layer pixmaps?
What would be more useful it seems to me is a way of storing something
along the lines of Allegro's BITMAP structure instead, which allows you to
describe an image of any size (within memory constraints) in any of the
several main bit-depths. What do you think?

--------------- Linux- the choice of a GNU generation. --------------
: Alex Holden (M1CJD)- Caver, Programmer, Land Rover nut, Radio Ham :
-------------------- http://www.linuxhacker.org/ --------------------


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