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Commit Graph

10 Commits

Author SHA1 Message Date
Emil Ernerfeldt
49fad9a7b2 Roll out new egui icon and logo (#7995)
For the first time _ever_, egui has a logo!

<img width="3925" height="1406" alt="egui-logo"
src="https://github.com/user-attachments/assets/cfaf1d43-9338-490f-ae82-99b420baa1b0"
/>

Made by [Studio Gruhl](https://www.studiogruhl.com/) and paid for by
[Rerun.io](https://rerun.io/).
2026-03-21 22:47:15 +01:00
Lucas Meurer
14afefa252 Fix galley width calculation being off due to subpixel binning (#7972)
- fix for https://github.com/rerun-io/reality/pull/1075

The galleys row size was calculated by looking at the last glyphs pos_x,
which got changed to be rounded to integers when we added subpixel
binning. This introduced a subtle bug which caused the width of galleys
to be slightly off.
This PR fixes this by looking at the actual cursor position instead,
which is not rounded.

Also added a test to ensure this is correct. Previously, for the second
and last line, the `x` was too close to the `0`.

<img width="48" height="67" alt="image"
src="https://github.com/user-attachments/assets/a69a4cc3-b3f3-4553-ab92-73cb2e7a358c"
/>

---------

Co-authored-by: lucasmerlin <8009393+lucasmerlin@users.noreply.github.com>
2026-03-12 13:49:16 +01:00
Emil Ernerfeldt
9e95b9ca50 Don't expand widgets on hover (#7808)
* Part of https://github.com/emilk/egui/issues/5605

This changes the default style of egui.

The problem with "expanding" widgets is that they now want to paint
outside their own bounds, which then requires all parent UIs to have
proper margins.

It also means hovered things are no longer properly aligned with every
other widget.
2025-12-22 22:30:53 +01:00
valadaptive
609dd2d28e Replace ab_glyph with Skrifa + vello_cpu; enable font hinting (#7694)
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* Closes N/A
* [x] I have followed the instructions in the PR template

I'll probably come back to this and clean it up a bit. This PR
reimplements ab_glyph's functionality on top of Skrifa, a somewhat
lower-level font API that's being used in Chrome now.

Skrifa doesn't perform rasterization itself, so I'm using
[vello_cpu](https://github.com/linebender/vello) from the Linebender
project for rasterization. It's still in its early days, but I believe
it's already quite fast. It also supports color and gradient fills, so
color emoji support will be easier.

Skrifa also supports font hinting, which should make text look a bit
nicer / less blurry.

Here's the current ab_glyph rendering:

<img width="1592" height="1068" alt="image"
src="https://github.com/user-attachments/assets/2385b66e-23f8-4c6e-b8c2-ea90e0eea4e4"
/>

Here's Skrifa *without* hinting--it looks almost identical, but there
are some subpixel differences, probably due to rasterizer behavior:

<img width="1592" height="1068" alt="image"
src="https://github.com/user-attachments/assets/a815f3e9-65ac-4940-bc00-571177bef53d"
/>

Here's Skrifa  *with* hinting:

<img width="1592" height="1068" alt="image"
src="https://github.com/user-attachments/assets/d6cc0669-3537-4377-bba9-ed5ef09664db"
/>

Hinting does make the horizontal strokes look a bit bolder, which makes
me wonder once again about increasing the font weight from "light" to
"regular".

---------

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
2025-12-06 16:11:33 +01:00
Emil Ernerfeldt
f74b7c7e79 Paint mouse cursor in kittest snapshot images (#7721)
Very simple triangle shape, but helps understand why a widget has a
hovered effect
2025-11-18 06:24:03 +01:00
Emil Ernerfeldt
72b9b9d750 Increase default text size from 12.5 to 13.0 (#7521) 2025-09-09 15:47:24 +02:00
valadaptive
d5b0a6f446 More even text kerning (#7431)
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
2025-09-08 17:29:41 +02:00
Emil Ernerfeldt
aedd43c88f kittest: Add UPDATE_SNAPSHOTS=force (#7508)
This adds a new mode, `UPDATE_SNAPSHOTS=force`, which will lower the
threshold to zero, overwriting every image that is not _exactly_ the
same.

Most comparisons has a threshold because different GPUs render slightly
differently. However, setting that threshold accurately can be hard.

Sometimes a test will pass locally, but fail on CI. In those cases you
want to force an update of the failing test. You can use
`UPDATE_SNAPSHOTS=force` for that.

And sometimes a small change _should_ update all images, but the change
is so tiny that it falls under the threshold. Still, you want to make a
point of showing that these images have changes. You can use
`UPDATE_SNAPSHOTS=force` for that.
2025-09-05 16:45:36 +02:00
Emil Ernerfeldt
2058dcb881 Improve text sharpness (#5838)
This improves the sharpness of text slightly, thanks to
<https://hikogui.org/2022/10/24/the-trouble-with-anti-aliasing.html> by
@hikogui (🙏 ).

The difference is very small, but in dark mode (bright text on dark
background) text is sometimes significantly sharper, and also slightly
brighter.

The difference in light mode (dark text on light background) is much
smaller (barely perceptable).

To compare the before/after I suggest you open both in new tabs, then
quickly change between them.

### Low-DPI
#### Before
![Code Editor
old](https://github.com/user-attachments/assets/e10a3cad-932f-48cd-b7d6-5bfe70954c5e)

#### After
![Code
Editor](https://github.com/user-attachments/assets/2e7383fe-8023-4425-91c8-93df3c22c0fe)

#### Before

![old-white](https://github.com/user-attachments/assets/51c41c59-e897-4831-857a-f3ffe17ce7d4)

#### After

![new-white](https://github.com/user-attachments/assets/4ac6f951-8c57-4bcc-a5d5-788cf52ea7d8)

### High-DPI
The difference is starkest on low-DPI screens (like the above
screenshots). On high-DPI screens, the difference is much smaller

#### Before
![widget_gallery
old](https://github.com/user-attachments/assets/f2149a30-aef8-4383-b48c-73d33a03ca02)

#### After

![widget_gallery](https://github.com/user-attachments/assets/c9ceb8be-8a32-490c-9364-2c6562b741f6)
2025-03-21 12:56:47 +01:00
lucasmerlin
cd22517280 ⚠️ Improved menu based on egui::Popup (#5716)
Continuation of #5713

**Silently breaking changes:**
- Menus now close on click by default, this is configurable via
`PopupCloseBehavior`

**Additional additions:**
- `Button::right_text`
- `StyleModifier`

This is a rewrite of the egui menus, with the following goals:
- submenu buttons should work everywhere, in a popup, context menu,
area, in some random Ui
- remove the menu state from Ui
- should work just like the previous menu
- ~proper support for keyboard navigation~
  - It's better now but requires further work to be perfect
- support `PopupCloseBehavior`

* Closes #4607 
* [x] I have followed the instructions in the PR template
2025-03-03 14:56:30 +01:00