[mythtv-users] New mythtv theme

[Steve Adeff]

On Monday 21 November 2005 10:50, Michael T. Dean wrote:
> Neil Bird wrote:
> > Around about 20/11/05 18:38, Michael T. Dean typed ...
> >
> >> More importantly, are you running X at 100dpi?  If not, then
> >> placement will be off and fixing it on a non-100dpi system would
> >> break it on any properly-configured system...
> >
> >   I've asked this before, but never had a solution:  I use
> > wide-screen, but I've never been able to set my DPI to 100x100 (IIRC
> > it just fails when I try [nVidia-based TV-out gfx card]).  I have to
> > run at 133x100, which also means most themes' fonts seem a little screwy.
> >
> >   What DPI do others use for w/s displays?
>
> 100x100...
>
>  From my X logs:
>
> ... (**) from config file, ... (II) informational, (WW) warning, ...
>
> (II) NVIDIA(0): Virtual screen size determined to be 1920 x 1080
> (**) NVIDIA(0): Display dimensions: (487, 274) mm
> (WW) NVIDIA(0): Probed monitor is 1290x730 mm, using Displaysize 487x274 mm
> (**) NVIDIA(0): DPI set to (100, 100)
>
> Notice how the nvidia module sees my screen size is 1920x1080 and that
> I've /configured/ a display size of 487x274mm.  It then asks the display
> for its actual size and the display responds with 1290x730mm*.  At this
> point the module warns me that the size I specified is not the same as
> the reported size, but the configuration file takes precedence over
> probed values, so I get it my way.
>
> So, basically, if you put a valid DisplaySize line in your
> XF86Config/xorg.conf, you should get 100x100dpi.  However, since you're
> using the TV out (S-Video or Composite), which is meant for NTSC/PAL,
> it's possible that you may be limited in the values you can choose for
> the display size (the driver may make assumptions that don't hold true
> for a wide-screen NTSC/PAL TV).  Do you have other inputs on your TV you
> could use (i.e. VGA/DVI/...)?  And, is NTSC/PAL really the best signal
> type for your TV?  If not, the X log file may be useful.  The problem is
> most likely the TV out chip in the card.
>
> Mike
>
> Here are some sizes to help:
>
> # For 1920x1080 at 100dpi  (16:9)
>       DisplaySize  487 274
> # For 1280x720 at 100dpi  (16:9)
> #     DisplaySize  325 182
> # For 1280x1024 at 100dpi  (5:4)
> #      DisplaySize  325 260
> # For 1280x960 at 100dpi (4:3)
> #      DisplaySize  325 243
> # For 1024x768 at 100dpi  (4:3)
> #      DisplaySize  260 195
> # For 800x600 at 100dpi  (4:3)
> #      DisplaySize  203 153
> # For 640x480 at 100dpi  (4:3)
> #      DisplaySize  162 121
>
> *The reported display size is actually wrong, BTW.  I have a 67" DLP and
> doing the math for the reported display size, the TV thinks it's a
> 58.36" display--which just happens to be the width of the display...  It
> seems Samsung is doing the same, "report an incorrect display size so
> the fonts are bigger since the user will be farther from the screen than
> he/she would be from a monitor."  I have no idea why they choose this
> size, though, as the actual size is about 1483x834mm (compared to the
> 1290x730 it reports).  At a resolution of 1920x1080, they've increased
> the calculated DPI from 32.8 to 37.8.  I guess someone at Samsung thinks
> that's enough...

are you using startx or the init.d script? I found on my system the startx 
method runs X with the -dpi 100 command.

Steve