Starting from Firefox 28, box-shadow applied on a rotated element is not rendered properly. The rendering is not broken for all degree values but some of them.
I have encountered with the issue on css3test.com, where the shadows of the icon on the left is looking wrong. This is a bit ironic :)
Regression range: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=53d55d2d0a25&tochange=6ecf0c4dfcbe Bug 940845 lies in that range.
Status: UNCONFIRMED → NEW
Ever confirmed: true
We were applying the transform twice when we decided to work in user space.
Attachment #8348370 - Flags: review?(roc)
Attachment #8348370 - Flags: review?(roc) → review+
Status: NEW → RESOLVED
Closed: 6 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla29
Reproduced in nightly 2013-12-15. Verified fixed FF 29.0a1(2014-01-09), Win 7 x64
Status: RESOLVED → VERIFIED
Note that the problem still exists in Aurora, so application of this patch to aurora can be requested?
Comment on attachment 8348370 [details] [diff] [review] Remove transform [Approval Request Comment] Bug caused by (feature/regressing bug #): 940845 User impact if declined: malformed box-shadows in some pages Testing completed (on m-c, etc.): landed for a while with no reported regressions Risk to taking this patch (and alternatives if risky): low risk String or IDL/UUID changes made by this patch: none
Attachment #8348370 - Flags: approval-mozilla-aurora?
Attachment #8348370 - Flags: approval-mozilla-aurora? → approval-mozilla-aurora+
Shadows with transform are looking fine in firefox aurora 28.0a2 (2014-01-25).
Doesn't work in Firefox 44.0a2, OSX El Capitan. Box-shadow is shown for the original rotation of the element, it doesn't follow the transformation of the element. Example: http://codepen.io/anon/pen/meGZbz
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