Bug 197962

Summary: border-image-repeat: repeat rendering is broken (on low-dpi screens only?)
Product: WebKit Reporter: C Snover <bugs.webkit.org>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: Safari 12   
Hardware: Unspecified   
OS: Unspecified   
URL: https://jsfiddle.net/snover/jwvzbt1x/show/
Attachments:
Description Flags
Screenshot showing broken rendering in Safari
none
Expected rendering from Firefox 66 none

C Snover
Reported 2019-05-16 13:42:10 PDT
Created attachment 370063 [details] Screenshot showing broken rendering in Safari 1. Visit test case https://jsfiddle.net/snover/jwvzbt1x/show/ Expected: Rendering matches Firefox/Edge: consistent rendering of all borders with no gaps or solid lines Actual: Borders are rendered badly, with large gaps and solid lines I am not currently able to reproduce the bad rendering on a MBP retina display, only on an attached external low-dpi monitor. Other browsers: Firefox: OK Edge: OK Chrome: Broken (differently) Safari 12.1.1 (12607.2.6.1.2) macOS 10.12.6
Attachments
Screenshot showing broken rendering in Safari (24.02 KB, image/png)
2019-05-16 13:42 PDT, C Snover 		no flags
Details
Expected rendering from Firefox 66 (14.46 KB, image/png)
2019-05-16 13:43 PDT, C Snover 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
C Snover
Comment 1 2019-05-16 13:43:33 PDT
Created attachment 370064 [details] Expected rendering from Firefox 66
Simon Fraser (smfr)
Comment 2 2019-05-16 13:45:08 PDT
I have a feeling we have another bug about this.
Radar WebKit Bug Importer
Comment 3 2019-05-16 13:45:39 PDT
<rdar://problem/50866077>
C Snover
Comment 4 2019-05-16 13:54:32 PDT
I almost never succeed with Bugzilla’s search, so I wouldn’t be surprised if I tried and failed to find a dupe. :-( That said, the closest bugs I could see were either regarding the `round` property value (this bug is with `repeat` value), or when the content is zoomed (this content is not zoomed).
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