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

Kevin Rushforth kcr at openjdk.java.net
Fri Dec 4 23:44:09 UTC 2020

On Fri, 4 Dec 2020 10:46:27 GMT, Frederic Thevenet <fthevenet at openjdk.org> wrote:

>> Not yet. I took a quick look, and this is helpful in pointing out where the problem is, but I don't know whether it is the right solution to simply round the transform values when rendering the cache to the screen.
> Hi,
> Is there anything I can do to help get this moving forward again?
> As mentioned before, I agree the proposed fix might be simply be addressing the symptoms rather than the root cause and I'm willing to keep working on it but I'd really appreciate a second opinion and some insights as to where to direct my attention if this fix proves to be not enough.
> For what it's worth, I've been living with this fix on my dev machine for a while now, and it does provide the expected relief to the underlying issue, without me noticing any obvious regressions, neither visually nor performance-wise (I haven't run any targeted benchmarks, though).
> With JDK-8199592 fixed, I think it'd be great if we could tackle all of the scaling issues in 16 (might be getting a bit late now, though)

I hope to take a look at this, along with other pending reviews, early next week. There is still some time to get this into 16 if we can find a robust fix.


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

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