Bug 234816 - Repaint issues with font-palette / colored Ahem
Summary: Repaint issues with font-palette / colored Ahem
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Text (show other bugs)
Version: Safari Technology Preview
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2022-01-03 06:44 PST by Dominik Röttsches (drott)
Modified: 2022-02-04 01:59 PST (History)
2 users (show)

See Also:


Attachments
Example of repaint issues with color Ahem when modifying font-palette (236.82 KB, image/png)
2022-01-03 06:44 PST, Dominik Röttsches (drott)
no flags Details

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Description Dominik Röttsches (drott) 2022-01-03 06:44:36 PST
Created attachment 448229 [details]
Example of repaint issues with color Ahem when modifying font-palette

Safari TP Release 137 (Safari 15.4, WebKit 17613.1.11.8)

1) Open http://wpt.live/css/css-fonts/font-palette-13.html
2) Inspect element on colored Ahem Square
3a) Disable font-palette in Style or
3b) Change fontsize between 48px to 54px up and down, step by step by using arrow up/down

Actual:
1) Remaining red lines stuck on top and below of Ahem block
Comment 1 Radar WebKit Bug Importer 2022-01-10 06:45:22 PST
<rdar://problem/87338124>
Comment 2 Myles C. Maxfield 2022-02-04 01:59:28 PST
I don't think this has anything to do with palettes, but is just due to the fact that the glyphs paint right up to their layout bounds.