> (People will raise the "angle of view" argument.
Yes, I was just thinking about this. :-)
(Others: viewing angle = relation between DPI and viewing distance.
There's a large difference whether you look at your PDA screen from dozen
cm distance or your projector canvas from 4m distance.)
> Since no one can measure "angle of view" automatically this is just a
way to refuse fixing the problems. Physical sizes can be autodetected and
they're good enough for many cases)
For projectors not so...
What kind of API you were thinking for physical sizes (hmm. does xinerama
complicate this)? And which one is more appropriate; the application
window size or screen size? Former would be easier for apps to get right.
Unless you're using a compositing manager that uses large zooming