On Tue, 28 Sep 2021 07:15:44 GMT, Masanori Yano <my...@openjdk.org> wrote:
> Yes. With `-Dsun.awt.noerasebackground=true`, original CopyAreaOOB.java is > Passed. But it is just a workaround. Yes, it is just a workaround that most probably will not work on other platforms. But EDT freeze for some time after copyarea will work. > paint() is called twice with default settings on Windows, so my suggested fix > is more realistic and reasonable than original code with > `-Dsun.awt.noerasebackground=true`. Do you know why we post it twice? It does not seem right, since we repaint all content in the apps like Netbeans/Idea and it is quite a heavyweight operation. ------------- PR: https://git.openjdk.java.net/jdk/pull/5491