RFR: 8322486: ColorPicker: blurry popup

[Andy Goryachev]

On Wed, 13 Aug 2025 12:31:32 GMT, Ziad El Midaoui <zelmidaoui at openjdk.org> wrote:

> The issue occurs when displaying the ColorPicker on a second monitor with scale=1 the ColorPicker appears blurry,
> This is due to snapping and changing the value of `-fx-snap-to-pixel` for the `ColorPalette` fixes the issue

Good job finding the culprit, @Ziad-Mid !

I've tested with the _whole selector removed_, on Windows at scales 100%, 125%, 150%, and 175%.

I think it looks good:

<img width="1377" height="512" alt="Screenshot 2025-08-18 160538" src="https://github.com/user-attachments/assets/f569d718-e13a-4308-a340-6b3c75922e12" />
<img width="1128" height="699" alt="Screenshot 2025-08-18 160627" src="https://github.com/user-attachments/assets/7da93800-3a21-4b19-9469-752960e1fc11" />
<img width="1135" height="429" alt="Screenshot 2025-08-18 160703" src="https://github.com/user-attachments/assets/67bde879-5dac-4899-a5e6-ee0a1d440c53" />
<img width="665" height="335" alt="Screenshot 2025-08-18 160748" src="https://github.com/user-attachments/assets/a1a0ae78-77ac-4b7d-8a05-fb55deec5a9f" />

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PR Comment: https://git.openjdk.org/jfx/pull/1869#issuecomment-3198683007
PR Comment: https://git.openjdk.org/jfx/pull/1869#issuecomment-3198685449