Re: [boost] GUI coordinate units (Was: GUI foundations)

From: Joel de Guzman (joel_at_[hidden])
Date: 2005-10-04 19:48:33

Martin Wille wrote:
> Joel de Guzman wrote:
> 
> 
>>Agree 101% !!!
>>
>>And that is one area I'd love to work on! This will require a new
>>way of thinking and quite a bit of work but I think it's the right
>>way to go. --Expecially since we have cool vector libs like
>>Antigrain: http://www.antigrain.com/. That is why I think forcing
>>the use of only platform specific widgets is very limiting. Take
>>a peek at http://tinyurl.com/c6zhp, for example, where all the
>>GUI elements, including menus and buttons (even scroll bars) are
>>implemented on the basis of Anti-Grain Geometry, so that, all the
>>rendering infrastructure is multi-platform. That's my definition
>>of beautiful!
> 
> 
> I agree 90%. I don't think it requires a new way of thinking, at least 
> not on the user's side. Vector-based GUI implementations have been 
> around (e.g. NeWS implemented a superset of PostScript in 1993). If 

Sure. I'm not saying that it's never been done before.

> you're working on the level of using existing widgets (that's what most 
> programmers do when they implement GUIs for their applications) then 
> there's not much of a difference: you create a widget, place it 
> somewhere and wait for the callbacks to fire.

Yes, but wait till you scale it up, or down ;-) You are
forced to the same resolution as that where the widget
was designed for.

> I'm definitely interested in GUI library that is based on a vector 
> graphics kernel.

I assert that it's the right way to go if you consider your
toolkit to be "modern".

 > Regarding antigrain: WOW!

Indeed!

Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net