[webkit-dev] help with porting

Fri May 23 04:32:00 PDT 2008

Hello Julien.

So you didn't draw the webkitview widget at all but stil managed to get
a cairo drawing from the engine? If so, could you please tell me how did
you do that?

Greets,
Luka

Dne 23.05.2008 (pet) ob 12:58 +0200 je Julien Sanchez zapisal(a):
> Hello,
> 
> I'm interested too in such a port because I'm trying to render simple
> html (no plugins or widgets) into image and pdf backends.
> For the moment, I made a simple hack (inspired from Clutter project) to
> render into a cairo surface. It works from the command line but it still
> depends from X (and GTK) and I don't know where to begin to get rid of
> these dependencies.
> 
> Julien
> 
> Le jeudi 22 mai 2008 à 09:30 -0700, Mike Emmel a écrit :
> > Luka I don't think it makes a difference if your running a lot of
> > thumbnails you would want to use gpu's some sort of render
> > farm arrangement.  My port does it as a result of the design not
> > because of a strong desire to render with the cpu.
> > Also for real world web pages your going to have problems with plugins
> > which depend on X11 and native widget libraries.
> > 
> > So although its possible with my port I can't see a single real
> > problem that can be solved with this approach.
> > Gtk/DirectFB will work for most pages if you have a flash port. Thats
> > the number one stumbling block.
> > I did my headless version of DirectFB for example to use the DirectFB
> > video provider for the media tags.
> > You can take other approaches but you would need to consider at a
> > minimum flash and the media tags.
> > For complete font support your going to have to use pango or go with
> > the QT port but the QT port gets you back
> > to the plugin issues if you don't use X11 and a lot of plugins use GTK so....
> > 
> > 
> > As far as releasing I'm not in control of the release cycle except for
> > creating delays as I work on stuff :(
> > It should be released however some time this year.
> > 
> > I obviously don't disagree with your idea in fact I worked hard to
> > ensure my approach was adaptable so it could be used for these types
> > of use cases so someday we will have what your looking for if things
> > go well. I actually designed it to work
> > with all the legacy use cases I mentioned but be flexible enough to
> > transparently drop them when replacements without the legacy X11/Gtk
> > dependencies become available. So soon a framework will be available
> > to allow you to reverse software
> > bloat but I've got no idea if software developers will accept it. I
> > built it to deal with the problems that occur with our new embedded
> > devices that have capabilities rivaling desktops where bloat is a huge
> > problem. The fact it can do what your asking makes me confident the
> > design is correct in fact it solves problems your not considering.
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > On Thu, May 22, 2008 at 8:41 AM, Luka Napotnik <luka.napotnik at gmail.com> wrote:
> > > Wow really? Could you share the port please. I've been looking for such
> > > a port to save the cairo painting to a PNG image.
> > >
> > > Greets,
> > > Luka
> > >
> > > Dne 22.05.2008 (čet) ob 07:41 -0700 je Mike Emmel zapisal(a):
> > >> I actually have a WebKit port with no dependencies but Cairo.
> > >>
> > >>
> > >>
> > >> On Thu, May 22, 2008 at 7:02 AM, Luka Napotnik <luka.napotnik at gmail.com> wrote:
> > >> > Hello Mike.
> > >> >
> > >> > What I need is a WebKit port that is independent of any display server
> > >> > (X or a framebuffer). I only want to render the page to an image. And
> > >> > since cairo is a great graphics library I think It's a good start.
> > >> >
> > >> > Greets,
> > >> > Luka
> > >> >
> > >> > Dne 22.05.2008 (čet) ob 06:49 -0700 je Mike Emmel zapisal(a):
> > >> >> Use the GTK DirectFB backend.
> > >> >>
> > >> >> I have a memory only system that I really need to get into the trunk.
> > >> >> But if you have a graphics card in the system the fb0 will work.
> > >> >>
> > >> >> Its on my TODO to get the mem only system checked in and I can give
> > >> >> you a patch in the mean time if its a issue. Also you can use the vnc driver
> > >> >> as a virtual framebuffer.
> > >> >>
> > >> >> Also some of the XServers should work in a similar way so you can probably
> > >> >> play the same trick with the right X11 server.
> > >> >>
> > >> >>
> > >> >> On Thu, May 22, 2008 at 4:21 AM, Luka Napotnik <luka.napotnik at gmail.com> wrote:
> > >> >> > Hello.
> > >> >> >
> > >> >> > I am interested in porting webkit to cairo for off-screen rendering
> > >> >> > without a X server. As I cannot find any documents about porting to
> > >> >> > other platform I would really appreciate if you could help me with some
> > >> >> > hints about porting webkit.
> > >> >> >
> > >> >> > Greets,
> > >> >> > Luka
> > >> >> >
> > >> >> > _______________________________________________
> > >> >> > webkit-dev mailing list
> > >> >> > webkit-dev at lists.webkit.org
> > >> >> > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
> > >> >> >
> > >> >> >
> > >> >
> > >
> > _______________________________________________
> > webkit-dev mailing list
> > webkit-dev at lists.webkit.org
> > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
> > 
> 
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