[OpenJDK 2D-Dev] RFR: 8217731: Font rendering and glyph spacing changed from jdk-8 to jdk-11

semyon.sadetsky at oracle.com semyon.sadetsky at oracle.com
Wed Jun 5 20:40:40 UTC 2019

Can you clarify does the change affects font metrics?

I see that it is a sub-pixel difference for each single glyph but if a 
long line of text can accumulate a notable difference the reg test can 
be provided.


On 6/5/19 11:43 AM, Phil Race wrote:
> bug: https://bugs.openjdk.java.net/browse/JDK-8217731
> webrev: http://cr.openjdk.java.net/~prr/8217731/
> This is intended to "help" but cannot completely cure, with
> some of the rendering differences in JDK11 vs JDK 8.
> In a typical Swing app on Windows using LCD rendering
> it manifests as subtle adjustments in the spacing between glyphs.
> There isn't an easy regression test for this, and it is subjective
> as to how bad it was before and how much this improves it,
> even if you were to accept that 8 is "better" .. and not just 
> different ..
> -phil.

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