Bug 179333 - Hairline pixel crack around background-clip: text
Summary: Hairline pixel crack around background-clip: text
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Layout and Rendering (show other bugs)
Version: Other
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords: InRadar
: 200705 236358 (view as bug list)
Depends on:
Blocks:
 
Reported: 2017-11-06 11:02 PST by Myles C. Maxfield
Modified: 2023-04-28 20:30 PDT (History)
8 users (show)

See Also:

Attachments
Screenshot (11.42 KB, image/png)
2017-11-06 11:02 PST, Myles C. Maxfield 		no flags Details
Left side hairline (832 bytes, text/html)
2020-12-08 09:57 PST, Simon Fraser (smfr) 		no flags Details
Screenshot with hairline from example (131.68 KB, image/png)
2020-12-08 11:24 PST, Matt Glaman 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)

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Description Myles C. Maxfield 2017-11-06 11:02:47 PST 
Created attachment 326134 [details]
Screenshot

See screenshot. Retina screen 17B48 system Safari

div {
  background: linear-gradient(to bottom, red, blue);
  background-clip: text;
  -webkit-background-clip: text;
  color: rgba(0,0,0,0.25);
  font-size: 30px; font-weight: bold;
}

u {
  text-decoration: overline underline;
}

<div>
a<u>b</u>c
</div>
Comment 1 Radar WebKit Bug Importer 2020-12-08 08:43:11 PST 
<rdar://problem/72094171>
Comment 2 Simon Fraser (smfr) 2020-12-08 09:57:54 PST 
Created attachment 415652 [details]
Left side hairline
Comment 3 Matt Glaman 2020-12-08 11:24:46 PST 
Created attachment 415655 [details]
Screenshot with hairline from example

on macOS Catalina with Safari Version 14.0 (15610.1.28.1.9, 15610) it is visible immediately.

on macOS Big Sur with Safari 14.0.1 (16610.2.11.51.8) I needed to Zoom (CMD +) at various levels and it would appear.
Comment 4 Simon Fraser (smfr) 2022-02-10 19:14:45 PST 
*** Bug 236358 has been marked as a duplicate of this bug. ***
Comment 5 Simon Fraser (smfr) 2023-04-28 12:27:27 PDT 
*** Bug 200705 has been marked as a duplicate of this bug. ***
Comment 6 Simon Fraser (smfr) 2023-04-28 12:28:57 PDT 
<rdar://54325642>
Comment 7 Simon Fraser (smfr) 2023-04-28 13:42:21 PDT 
Pull request: https://github.com/WebKit/WebKit/pull/13289
Comment 8 EWS 2023-04-28 20:30:32 PDT 
Committed 263526@main (ccbeb1e341f1): <https://commits.webkit.org/263526@main>

Reviewed commits have been landed. Closing PR #13289 and removing active labels.