David Dawes <[EMAIL PROTECTED]> writes:
> >> >> Xinerama *hides* the fact that there are two heads, so there is no
> >> >> way for the app to be told a different DPI debending which head it is
> >> >> currently on - what should it be told if it is on both ?
> >> >
> >> >This is my point exactly. When I raised this issue it was not to elicit a
> >> >"correct" solution, but rather to point out that the whole notion of DPI is
> >> >nonsense WRT Xinerama/MergedFB. I would suggest this as a "correct-ish"
> >> >solution: If Xinerama/MergedFB detects that both screens have nearly the
> >> >same resolution (to within some configurable tolerance) then use the
> >> >average of the two. Otherwise the user has to specify the DPI to use with
> >> >the -dpi command line switch or some other mechanism. (Is there a DPI
> >> >option in the XF86Config file?) It might be nice to be able to specify
> >> >"use DPI from screen foo" in the ServerLayout section to simplify the
> >> >process a bit.
> >>
> >> There is no DPI option in the XF86Config file, but one could be added.
> >
> >That's true, but we have DisplaySize property in the Monitor section.
>
> The -dpi command line option is global, applying to all screens.
I see. Is it updated in the Xserver manual page?
I have the old version which goes like this:
-dpi resolution
sets the resolution of the screen, in dots per
inch. To be used when the server cannot determine
the screen size from the hardware.
--
Alexander Pohoyda
<[EMAIL PROTECTED]>
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