Why EDID is not trustworthy for DPI

Adam Williamson awilliam at redhat.com
Thu Oct 6 17:49:40 UTC 2011


On Thu, 2011-10-06 at 12:00 -0400, Simo Sorce wrote:

> So in that case you really should just give an option to the user to
> easily change DPI (no need to call the option 'DPIs', it can be a slider
> with no mention of DPI if you prefer) *if* it is needed.

There actually is one, only it's called the Text Scaling Factor, and
it's hidden in the Accessibility panel. It effectively sets the DPI to
96*TSF, so you have to do desired dpi / 96 to figure out what you want
to set it to.

(That's a much better UI! Now, both people who know what DPI is and how
to calculate it and people who don't are lost and confused. equality ho!
)
-- 
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | identi.ca: adamwfedora
http://www.happyassassin.net



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