[OpenJDK 2D-Dev] RFR: 8269223: -Xcheck:jni WARNINGs working with fonts on Linux [v4]

Phil Race prr at openjdk.java.net
Fri Aug 13 14:31:26 UTC 2021

On Fri, 13 Aug 2021 12:29:06 GMT, Maxim Kartashev <github.com+28651297+mkartashev at openjdk.org> wrote:

>> oh you are getting metrics for a JFrame ? That's not going to exercise any new font code so is pointless except to make it so the test has to be headful.
> But `getFontMetrics()` is the primary "entry point" that generated all the JNI warnings in the first place. And I'm also not sure that we could've gotten all the warnings on Windows without `JFrame`.

So what's wrong with
FontMetrics metrics = g2d.getFontMetrics(font);


No frame needed.


PR: https://git.openjdk.java.net/jdk/pull/4572

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