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Use u8 in Rounding, and introduce Roundingf (#5563)

* Part of https://github.com/emilk/egui/issues/4019

As part of the work on adding a custom `Border` to everything, I want to
make sure that the size of `RectShape`, `Frame` and the future `Border`
is kept small (for performance reasons).

This PR changes the storage of the corner radius of rectangles from four
`f32` (one for each corner) into four `u8`. This mean the corner radius
can only be an integer in the range 0-255 (in ui points). This should be
enough for most people.

If you want to manipulate rounding using `f32`, there is a new
`Roundingf` to fill that niche.
This commit is contained in:
Emil Ernerfeldt
2025-01-02 14:29:50 +01:00
committed by GitHub
parent 3ffe1ed774
commit 249f8bcb93
13 changed files with 508 additions and 242 deletions

View File

@@ -1230,7 +1230,7 @@ egui_extras::install_image_loaders(egui_ctx);
* [Tweaked the default visuals style](https://github.com/emilk/egui/pull/450).
* Plot: Renamed `Curve` to `Line`.
* `TopPanel::top` is now `TopBottomPanel::top`.
* `SidePanel::left` no longet takes the default width by argument, but by a builder call.
* `SidePanel::left` no longer takes the default width by argument, but by a builder call.
* `SidePanel::left` is resizable by default.
### 🐛 Fixed