Brian Walters wrote:

> I checked"layout.css.dpi".  Currently it's set to -1, which means
> (apparently) that Firefox uses "the host system’s logical resolution or
> 96, whichever is greater" - whatever that means......

Yeah, Windows does a particularly poor job of "managing" the 
transformations between pixels on the screen and inches in the "real" 
world.  The X Window system has the potential to do better, but many of 
the GUI X configuration editors don't (easily) let you override or set 
the ratio, so you have to know how and where to go in and manually set 
it in the X configuration file.  Windows barely even makes a pretense of 
trying to do something useful with that mapping.

Which is terribly annoying, since the DDC data that modern monitors 
return to the system includes the physical size and the number of pixels 
in each dimension for the monitor.  In other words, it's as easy as 
reading the monitor's DDC data and computing two Rational values and 
saving them!

-- 
Thanks,
DougF (KG4LMZ)


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