Bug 218191

Summary: Animated <svg> rotates off-center
Product: WebKit Reporter: David Håsäther <hasather+webkitbugs>
Component: SVGAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: graouts, simon.fraser, webkit-bug-importer, zimmermann
Priority: P2 Keywords: InRadar
Version: Safari 13   
Hardware: Mac   
OS: macOS 10.15   
Attachments:
Description Flags
Testcase none

Description David Håsäther 2020-10-26 09:45:03 PDT
Created attachment 412324 [details]
Testcase

See testcase.
The <svg> elements are rotated with CSS animations. The second spinner is offset by 0.8px from the top which somehow makes the spinner spin off-center.
Comment 1 David Håsäther 2020-10-26 09:59:29 PDT
> The second spinner is offset by 0.8px from the top which somehow makes the spinner spin off-center.

It's possible that this is hardware dependent, so this value might have to be tweaked to reproduce.
Comment 2 Radar WebKit Bug Importer 2020-10-26 12:33:09 PDT
<rdar://problem/70690654>