Bug 148466

Summary: [-webkit-text-combine]Render incorrectly
Product: WebKit Reporter: Zhang Lei <zl-cool>
Component: CSSAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: bfulgham, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 8   
Hardware: Unspecified   
OS: iOS 8.4   
Attachments:
Description Flags
This is issue html
none
This is safari debug.
none
This is issue text.
none
Invalid rendering
none
Expected output none

Zhang Lei
Reported 2015-08-25 23:12:21 PDT
Created attachment 259933 [details] This is issue html This is a epub file, in which "10" is -webkit-text-combine:horizontal. If change to -epub-writing-mode:horizontal-tb, it will be correct. In epub file, -webkit-text-combine doesn't work well. Please check my attachment, looks it will move a litter higher than normal.
Attachments
This is issue html (857 bytes, text/html)
2015-08-25 23:12 PDT, Zhang Lei 		no flags
Details
This is safari debug. (103.50 KB, image/png)
2015-08-25 23:13 PDT, Zhang Lei 		no flags
Details
This is issue text. (9.00 KB, image/png)
2015-08-25 23:13 PDT, Zhang Lei 		no flags
Details
Invalid rendering (13.43 KB, image/png)
2022-07-14 14:41 PDT, Brent Fulgham 		no flags
Details
Expected output (19.58 KB, image/png)
2022-07-14 14:42 PDT, Brent Fulgham 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Zhang Lei
Comment 1 2015-08-25 23:13:05 PDT
Created attachment 259934 [details] This is safari debug.
Zhang Lei
Comment 2 2015-08-25 23:13:34 PDT
Created attachment 259935 [details] This is issue text.
Brent Fulgham
Comment 3 2022-07-14 14:41:34 PDT
Created attachment 460910 [details] Invalid rendering
Brent Fulgham
Comment 4 2022-07-14 14:42:06 PDT
Created attachment 460911 [details] Expected output
Brent Fulgham
Comment 5 2022-07-14 14:42:30 PDT
With '-webkit-text-combine:horizontal' the "10" is rendered in a narrow font that tries to match the width of the glyphs above and below it. With '-epub-writing-mode:horizontal-tb', the "10" is rendered as a wider block. I have attached "desired.png" and "bug.png"
Radar WebKit Bug Importer
Comment 6 2022-07-14 14:42:41 PDT
<rdar://problem/97036205>
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