RFR: 8301302: Platform preferences API [v42]

[Andy Goryachev]

On Wed, 6 Dec 2023 19:23:38 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> Please read [this document](https://gist.github.com/mstr2/9f46f92c98d3c86aa6a0b4224a9a6548) for an introduction to the Platform Preferences API, and how it interacts with the proposed style theme and stage appearance features.
>
> Michael Strauß has updated the pull request incrementally with one additional commit since the last revision:
> 
>   consistently use NULL

macOS again,
System Settings -> Accessibility -> Display

should an update be sent when changing
- invert colors
- increase contrast
- display contrast (this seems to affect display's gamma, so probably not)

<img width="716" alt="Screenshot 2023-12-06 at 11 56 09" src="https://github.com/openjdk/jfx/assets/107069028/30e0a2f8-272e-4b6b-b794-94f25133f41c">

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PR Comment: https://git.openjdk.org/jfx/pull/1014#issuecomment-1843600341