RFR: 8372203: Piecewise linear easing function [v4]

[Andy Goryachev]

On Tue, 25 Nov 2025 16:11:16 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> modules/javafx.graphics/src/main/java/javafx/animation/Interpolator.java line 98:
>> 
>>> 96: 
>>> 97:     /**
>>> 98:      * Returns a piecewise-linear interpolator with the specified control points.
>> 
>> Question: do we need to specify that a new instance is returned each time (as opposed to some sort of caching as with `Integer.valueOf`)?
>
> I've changed the wording here to give us more flexibility in terms of how we implement this in the future. While we are returning a new instance each time, we don't need to: all our currently implemented interpolators are stateless and safe to share, even across threads.

is this something worth mentioning in the javadoc, at least for the linear interpolator?

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PR Review Comment: https://git.openjdk.org/jfx/pull/1977#discussion_r2560605162