Re: gEDA-user: gschem with cairo rendering

[Peter Clifton <pcjc2@xxxxxxxxx>]

On Mon, 2008-05-05 at 12:53 -0400, Dave McGuire wrote:

>    Oh nono, hang on...*I* am not introducing any dependencies at  
> all.  In fact, I'm still trying to get cairo itself built so I can  
> try Pete's new code, but cairo seems to be yet another "all the  
> world's a PC running Linux" library.  At least Freetype is reasonably  
> portable. ;)
> 
[...]
>    Well, I'm with you there, at least in principle.  I'm looking at  
> probably a day or two of work just to try the cairo code, starting  
> with getting git built (whose idea was that again?!), and it seems  
> cairo has its own nice little tree of dependencies.  I'm stuck on  
> pixman at the moment.

What I forgot to say yesterday is thanks for taking the time to test the
code. It is really appreciated, and feedback about how it works on non
Linux architectures is especially useful, including how painful it is to
build.

PS. An OpenGL HID for PCB would be great.. I've got very close to
starting one myself before now. Would you go with decomposing curves
into polygons, then tessellating triangles, or taking quads for each
layer and do texture-mapping? The latter buying us possibility of
translucent layers, but still requires a drawing API like cairo (don't
hit me), for rendering into the texture.

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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