Re: Gtk+ 3.0 Theming API Hackfest Minutes

[Behdad Esfahbod <behdad behdad org>]

Alberto Ruiz wrote:
> 2009/3/2 Behdad Esfahbod <behdad behdad org>:
>> Alberto Ruiz wrote:
>>> * All drawing funcitions to use a cario context and hide GtkWidget and
>>> GdkWindow (Strong request from 3rd party toolkits)
>> When we discussed this before, I among others suggested that this is wrong as
>> it hardcodes cairo as the only supported drawing system in the API.  For
>> example, one wouldn't be able to use OpenGL for drawing anymore.
> 
> Well, you can always get the native device of the surface. This works
> for Windows and Mac native drawing APIs. You can then create an OpenGL
> context out that (someone correct me if I'm wrong here).
> 
> A bit tricky, we might add facilities for that, but most engines are
> going to use cairo anyway.

It's just about whether the API is extensible or hardcodes cairo.

behdad

>> Instead I suggest an opaque object be passed to the draw function, then have
>> constructors for various drawing APIs.  Say:
>>
>> cairo_t *
>> gtk_themeable_window_create_cairo (GtkThemeableWindow *w);
>>
>> behdad
>>
> 
> 
>