RESOLVED FIXED 102402
REGRESSION (Subpixel layout): Gray vertical lines appear when moving insertion point to right on Mac 
https://bugs.webkit.org/show_bug.cgi?id=102402
Summary REGRESSION (Subpixel layout): Gray vertical lines appear when moving insertio...
Kosei Moriyama
Reported 2012-11-15 09:19:51 PST
Created attachment 174462 [details] test case WIth attached html (test.html), focus the input text field and move cursor from left to right, gray vertical lines appear between characters. I've found this behavior following browsers: * WebKit Nightly (Version 6.0.2 (7536.26.17, 537+)) * Chrome Canary (Version 25.0.1325.0 canary) * Chrome Dev (Version 25.0.1323.1 dev) * Chrome Beta (Version 24.0.1312.14 beta) My OS version is OS X 10.7.5.
Attachments
test case (447 bytes, text/html)
2012-11-15 09:19 PST, Kosei Moriyama 		no flags
Details
screenshot of the behavior (51.83 KB, image/png)
2012-11-15 09:21 PST, Kosei Moriyama 		no flags
Details
Patch (4.62 KB, patch)
2012-12-11 14:55 PST, Emil A Eklund 		no flags
DetailsFormatted DiffDiff
Patch (4.63 KB, patch)
2012-12-12 15:34 PST, Emil A Eklund 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Kosei Moriyama
Comment 1 2012-11-15 09:21:24 PST
Created attachment 174463 [details] screenshot of the behavior
Alexey Proskuryakov
Comment 2 2012-11-16 12:42:00 PST
<rdar://problem/12720748>
Emil A Eklund
Comment 3 2012-11-16 13:09:30 PST
Thanks for the reports. Do you have any idea when this started failing (i.e. last know good version)?
Simon Fraser (smfr)
Comment 4 2012-11-16 13:11:19 PST
Probably started when we enabled subpixel on Mac.
Emil A Eklund
Comment 5 2012-11-16 13:12:50 PST
(In reply to comment #4) > Probably started when we enabled subpixel on Mac. You are probably right. One would think that we'd have noticed it being broken in chrome/mac though.
Simon Fraser (smfr)
Comment 6 2012-11-16 13:14:21 PST
Maybe some platform code differs.
Emil A Eklund
Comment 7 2012-11-16 13:21:48 PST
(In reply to comment #6) > Maybe some platform code differs. Could be, I'll try to track it down early next week.
Emil A Eklund
Comment 8 2012-12-11 14:55:38 PST
Created attachment 178885 [details] Patch
WebKit Review Bot
Comment 9 2012-12-11 16:17:58 PST
Comment on attachment 178885 [details] Patch Attachment 178885 [details] did not pass chromium-ews (chromium-xvfb): Output: http://queues.webkit.org/results/15275421 New failing tests: fast/repaint/delete-into-nested-block.html
Emil A Eklund
Comment 10 2012-12-12 15:34:10 PST
Created attachment 179136 [details] Patch
Emil A Eklund
Comment 11 2012-12-12 15:43:48 PST
Thanks Simon!
Emil A Eklund
Comment 12 2012-12-12 15:54:55 PST
Committed r137529: <http://trac.webkit.org/changeset/137529>
Note You need to log in before you can comment on or make changes to this bug.