Re: Units and resolution independence for gtk+

On Thu, 2008-08-07 at 20:02 +0200, Alexander Larsson wrote:
> Is a physical size units even interesting? 

I guess I'll leave out GTK_SIZE_MM and GTK_SIZE_POINT for now. My main
point is ensuring that GtkSize is future proof in the sense that we can
add units later and preserve backwards compatibility.

> It just generally leads to
> DPI style flamewars. For instance, a projector screen is really large,
> but you don't want tiny fonts anyway, because you watch it from far
> away. Something similar but reversed applies for the case of handhelds. 
> What you really want to talk about is how large a pixel "looks" for a
> viewer, and the actual unit here is something like steradians of the
> viewers field of vision. However, this is a bit complex, and just using
> some abstract point unit that does a device dependent scaling might be
> better.



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