RFR: 8211294: [windows] TextArea content is blurry with 125% scaling

[Frederic Thevenet]

On Fri, 25 Sep 2020 07:47:41 GMT, Johan Vos <jvos at openjdk.org> wrote:

> 
> 
> The visual representation corresponds with digits, so there can be tests that check if the numbers are what we expect
> them to be. It's good that this is not windows-only, so that it can be tackled on linux as well. But what is not clear
> to me: does this require a physical HiDPI screen, or is setting the scale factor manually good enough to reproduce the
> bug?

The issue will appear consistently as long as the conditions I listed are met, regardless of the actual number of
pixels the physical screen can display. For instance you'll see the problem, if you apply a 125% scaling on 1080p
screen (a common configuration on 13'' laptops). Also, it will occur regardless of whether the scaling is applied at
the OS level and picked up by javafx or if it is only set for a single application using the `glass.xxx.uiScale`
property.

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PR: https://git.openjdk.java.net/jfx/pull/308