630134 - -moz-box-shadow combined with -moz-transform rotate still produces rendering errors on rectangular objects

Status: RESOLVED DUPLICATE of bug 536061

(Core :: CSS Parsing and Computation, defect)

Description

[martinfinnstrom]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; sv-SE; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; sv-SE; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13

I saw the bugs reported as duplicate and resolved but this is still a problem in 3.6.13 released after those bugs where marked as resolved.

http://jsfiddle.net/Zw9w5/

When rotating something rectangular with a -moz-box-shadow between ~65deg and ~115deg the box-shadow behaves unexpectantly, works correctly on square shapes.

Reproducible: Always

Comment 1

[Maniac Vlad Florin (:vladmaniac)]

Reproducible 

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13 

Also, broken: 

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.14) Gecko/20110121 Firefox/3.6.14

pushlog: 

http://hg.mozilla.org/releases/mozilla-1.9.2/rev/69bfc730b3e9 

Fixed in Firefox 4: 
Mozilla/5.0 (Windows NT 6.1; rv:2.0b11pre) Gecko/20110130 Firefox/4.0b11pre

pushlog: 

http://hg.mozilla.org/mozilla-central/rev/336d5906cb0f

Comment 2

[Maniac Vlad Florin (:vladmaniac)]

Attachment: screenshot

Comment 3

[Maniac Vlad Florin (:vladmaniac)]

Note: see screenshot of shadow rendering problem. First rotation causes shadow and rectangle object miss-alignment

Comment 4

[Al Billings [:abillings - ex-MoCo]]

(In reply to comment #0)
> User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; sv-SE; rv:1.9.2.13)
> Gecko/20101203 Firefox/3.6.13
> Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; sv-SE; rv:1.9.2.13)
> Gecko/20101203 Firefox/3.6.13
> 
> I saw the bugs reported as duplicate and resolved but this is still a problem
> in 3.6.13 released after those bugs where marked as resolved.

What is the original bug number? "Resolved" may mean resolved for trunk (Firefox 4) not for the 1.9.2 branch.

Comment 5

[martinfinnstrom]

the issue i was thinking of is this https://bugzilla.mozilla.org/show_bug.cgi?id=586616, there may be others aswell

Comment 6

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

Sounds like, if anything, you'd want to nominate the existing bug to be fixed on the branch.

Comment 7

[martinfinnstrom]

Since that one is marked as RESOLVED FIXED and the problem still occurs, you can see why i am confused?

Comment 8

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

Because FIXED status reflects whether the bug is fixed in mozilla-central, which is the main line of development.  Firefox 3.6.* releases are done off of a branch.  For examples of some (old) branching diagrams, see:
http://www-archive.mozilla.org/roadmap/branching-2002-12-26.png
http://www-archive.mozilla.org/roadmap/branching-2005-01-25.png
(I don't know of a current diagram, but the idea is the same.)

The fix is in betas of Firefox 4.