On Sun, 9 Apr 2023 16:39:12 GMT, Thomas Stuefe <stu...@openjdk.org> wrote:

>> This is one proposed solution for https://bugs.openjdk.org/browse/JDK-8304350
>> 
>> `java.awt.Font.getStringBounds(char[],int,int,FontRenderContext)` applies a 
>> heuristic to determine whether the question it's answering is "simple" or 
>> not. The bug described in 8304350 only occurs in the simple=true branch.
>> 
>> Extend the "simple?" heuristic to consider a tracking attribute not-simple 
>> and to use the complex branch in those cases.
>> 
>> One could argue that the root bug still exists: the simple path goes on to 
>> delegate to `sun.font.FontDesignMetrics.getMetrics(Font,FontRenderContext)`, 
>> although that's a private/internal API.
>
> Seems like a reasonable workaround. Would there be any measurable performance 
> impacts by going the more complex route with Tracking != 0?

Thanks @tstuefe

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PR Comment: https://git.openjdk.org/jdk/pull/13352#issuecomment-1506749935

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