text and compositing

[Jon Smirl]

--- Keith Packard <keithp at keithp.com> wrote:
> That's been a very successful model for eliminating unnecessary complexity 
> from the X server, and I'd like to make sure we don't accidentally 
> roll-back the clock to server-side fonts here...
> 
> We could transmit glyph outlines to the server, but that begs the question 
> of how to deal with hinting.  

If this is going to work right with server side window transforms doesn't the
hinting have to be done server side? It is hard to transmit the glyph outline
and the hint program to the server? For example I'm thinking about the case of
using a magnify tool to blow up pieces of an app's window. Vector things like
text and drawings should scale smoothly in the tool's view.

A caching scheme could compute an MD5 or something over the font file in the
client. The server could then check to see if it has the identical font file. If
so, the gylph transmission could be eliminated. Might make a big difference for
Asian fonts.


=====
Jon Smirl
jonsmirl at yahoo.com


	
		
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