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Emil Ernerfeldt dc79998044
Improve text rendering in light mode (#7290) 
This changes how we convert glyph coverage to alpha (and ultimately a
color), but only in light mode.

This is a bit of a hack, because it doesn't fix dark-on-light text in
_dark mode_ (if you have any), but for the common case this PR is a huge
improvement.

You can also tweak this yourself now using
`Visuals::text_alpha_from_coverage` or from the UI (bottom of the
image):


![image](https://github.com/user-attachments/assets/350210d4-c0bb-44b6-84cc-47c2e9d4b9f0)



## Before / After

![widget_gallery_light_x1](https://github.com/user-attachments/assets/21f5a2a0-6b4e-4985-b17f-cd1c7cc01b46)
![widget_gallery_light_x1](https://github.com/user-attachments/assets/5dfec04a-c81c-43ef-8d86-fc48ef7958f1)


## Black text Before/after
If you think the text above looks too weak, it's only because of the
default text color. Here's how it looks like with perfectly `#000000`
black text:


![image](https://github.com/user-attachments/assets/56a4a4f3-c431-4991-b941-a566a4ae94ed)
![Screenshot 2025-07-02 at 13 59
30](https://github.com/user-attachments/assets/df5a91ad-0bb8-4a0f-81a2-50852e7556c1)
 		2025-07-02 14:58:37 +02:00
..
examples Enable more clippy lints (#6853) 2025-04-24 17:32:50 +02:00
src Improve text rendering in light mode (#7290) 2025-07-02 14:58:37 +02:00
CHANGELOG.md Release 0.31.1 - text_edit and kittest fixes 2025-03-05 08:37:34 +01:00
Cargo.toml Rename `master` branch to `main` (#7034) 2025-05-08 09:15:42 +02:00
README.md Rename `master` branch to `main` (#7034) 2025-05-08 09:15:42 +02:00

README.md

egui_glow

Latest version Documentation MIT Apache

This crates provides bindings between egui and glow which allows you to:

  • Render egui using glow on both native and web.
  • Write cross platform native egui apps (with the winit feature).

To write web apps using glow you can use eframe (which uses egui_glow for rendering).

To use on Linux, first run:

sudo apt-get install libxcb-render0-dev libxcb-shape0-dev libxcb-xfixes0-dev libxkbcommon-dev libssl-dev

This crate optionally depends on egui-winit.

Test the example with:

cargo run -p egui_glow --example pure_glow --features=winit,egui/default_fonts