behdad at behdad.org
Thu Apr 9 08:16:04 PDT 2009
On 04/09/2009 11:10 AM, Jim Gettys wrote:
> Since when you are doing certain few applications (actual WSIWYG layout,
> or the use of the screen as a ruler, which we do on OLPC), you really do
> want the actual DPI; it's just we *also* need to know the typical
> viewing distance.....
You have a very good point here. I promoted redefining DPI to be magical
scale-factor before, but now I understand that that's not the right approach.
I'll keep that in mind when working with David on resolution-independence
support in GTK+ later this year.
> And in the past, we never had the viewing distance in X11's design: our
> presumption was then always desktop monitors, viewed at the "usual"
> desktop distance). It is entirely missing from the core protocol.
> We've been missing one value from day one, and the one that actually
> makes DPI make sense for 98% of applications we use on a day to day
> - Jim
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