Re: Dia 0.88.1: Problems with exporting to xfig

[Lars Clausen <lrclause cs uiuc edu>]

On Wed, 13 Jun 2001, James Henstridge wrote:

> On 12 Jun 2001, Lars Clausen wrote:
> 
>> Sounds like a good implementation plan.  Only the FEATURE and SHAPE
>> groups don't really solve the problem, as all you can really do at this
>> level is group.
>>
>> Somebody (I forget who) suggested having some more complex shapes
>> (arrows, rounded rectangles etc) have their own rendering function, but
>> have a default that uses the more primitive functions.  Of course, we
>> only want a limited amount of these, or the renderer structure becomes
>> rather large, but at least having them for the basic shapes would be
>> good.
> 
> This sort of thing should be very easy to do when we switch over to gtk
> 2.0.  In the dia-newcanvas module, all rendering has been moved to an
> interface.  It would be very easy to add a "rounded rectangle drawing"
> interface, which could be implemented by a renderer.  Then a "render
> rounded rectangle" function could check to see if the interface is
> implemented by the current renderer and if it isn't, break the rounded
> rectangle down into simpler primitives.

Ok, then let's hold that off for Gtk 2.0 and do a minimal grouping
implementation for now (to have groups and objects at least be groups in
exported formats).

> One other option for the current dia would be to render rounded
> rectangles with a bezier instead, although this may slow things down for
> the onscreen case.

No, that's not an option.  That's just silly:)

-Lars

-- 
Lars Clausen (http://shasta.cs.uiuc.edu/~lrclause) | Hårdgrim of Numenor
"I do not agree with a word that you say, but I    | Retainer of Sir Kegg
will defend to the death your right to say it."    |   of Westfield
    --Evelyn Beatrice Hall paraphrasing Voltaire   | Chaos Berserker of Khorne