[OpenJDK 2D-Dev] RFR: 8238942: Rendering artifacts with LCD text and fractional metrics

[Jayathirth D v]

Change looks good to me.
And we have good amount of time to notice any pixel accuracy issues.

Thanks,
Jay

> On 12-Feb-2020, at 9:45 AM, Philip Race <philip.race at oracle.com> wrote:
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8238942
> webrev: http://cr.openjdk.java.net/~prr/8238942/
> 
> As discussed in the bug, we are missing padding in the code that takes
> an LCD glyph from freetype and caches it in the 2D glyph cache.
> 
> This padding is used in subpixel positioning with fractional metrics on.
> 
> I've run automated regression tests as well as doing extensive manual testing
> and so far it looks fine. A specific regression test is hard because the visual
> artifacts manifest rarely and even so are not easy to test.
> There should be plenty of time in JDK 15 for this to bake.
> 
> -phil.