[Haskell-cafe] Re: Why binding to existing widget toolkits
doesn't make any sense
rick.richardson at gmail.com
Fri Jan 30 19:52:51 EST 2009
Cairo is now the graphics back end for Firefox, yes? I thought moving to
Cairo resulted in a considerable rendering speedup for FF.
On Fri, Jan 30, 2009 at 6:31 PM, Peter Verswyvelen <bugfact at gmail.com>wrote:
> I found Cairo rather slow, even on the fastest hardware.
> Maybe OpenVG will take off one day:
> 2009/1/30 Bryan O'Sullivan <bos at serpentine.com>:
> > Hi, Antony -
> > It's good to see you active on here.
> >> It's not clear to me if the Cairo API in its current form supports
> >> vector-level clipping or constructive area geometry, [...]
> > The Cairo clipping API is very PostScripty; you set up a path and then
> > it into a clip region instead of filling it. You don't end up with a
> > first-class value, but a manipulation of the implicit global rendering
> > state. For CAG-style operations, http://lib2geom.sourceforge.net/ would
> be a
> > better bet, but FFIing to a library written in C wouldn't necessarily be
> > real improvement over just writing a CAG library natively. I think it
> > be true to say that you can't quite get everything you would want in one
> > easy-to-use place, then.
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