On Wed, 5 Apr 2023 13:58:48 GMT, Jonathan Dowland <jdowl...@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?

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PR Comment: https://git.openjdk.org/jdk/pull/13352#issuecomment-1501166929

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