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On Wednesday 06 August 2008, Ariya Hidayat wrote:
> > Yes, I actually have thought several times about this. How could the svg
> > renderer on webkit help us ? Would be a doable (easy) way of stripping
> > all the css + js things, just letting the part that is important for us
> > and introducing it into kdelibs ?
>
> Why would you want to simplify the lib and put it in kdelibs? You can
> just use QtWebKit as is. For an example, check out:
> http://ariya.blogspot.com/2008/08/svg-to-png-using-qtwebkit.html

of course, since QSvgRenderer also renders the tiger just fine, this is not=
 a=20
useful example.

from the Plasma perspective, we also don't particularly have need for acces=
s=20
to the DOM or scriptablity right now (though i'm sure we could find (ab)use=
s=20
for them without too much trouble ;)

as you note in your blog, things like blur are not implemented in QtWebkit'=
s=20
SVG renderer either. so we're right back to asking, "when?"

obviously the answer is "sooner than QSvgRenderer will" but that is still a=
=20
bit vague.

it also doesn't help at all with the performance (both speed and memory=20
overhead) question.=20

and i'm particularly unimpressed that we'll end up having to build up a set=
 of=20
API for what is really simple now (e.g. elementRect("anObjectid")) based on=
=20
JavaScript right now (!!) and *eventualy* DOM (only minorly less "!!").=20
thankfully we wrapped QSvgRenderer in Plasma::SVG so we can indeed do this=
=20
kind of thing without breaking any SVG usage in Plasma, but still .. uck.

for Plasma to switch renderers, i'd really have to have a bettter idea of=20
performance and development timelines. otherwise it'll continue to be a "wa=
it=20
and see" issue without us doing anything different on this front.

having a coherent plan for vector graphics may be something that the Qt=20
Software engineering team would like to consider prioritizing and sharing w=
ith=20
their downstream. it's only going to become an increasingly important area =
in=20
the user interface side of life (and not just limited to SVG, of course) ..

=2D-=20
Aaron J. Seigo
humru othro a kohnu se
GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA  EE75 D6B7 2EB1 A7F1 DB43

KDE core developer sponsored by Trolltech


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