User Agent: Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/18.0 Firefox/18.0 Build ID: 20121016042009 Steps to reproduce: Using strokeText/fillText in canvas, with shadow and a translate of the position. Actual results: Only half (upper part) of the text "ABCDEFG" shown. Tested in FF 18, window xp.

Regression window(m-c) Good: http://hg.mozilla.org/mozilla-central/rev/3d9424eb6eb4 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:18.0) Gecko/18.0 Firefox/18.0 ID:20120901193714 Bad: http://hg.mozilla.org/mozilla-central/rev/6c66c3997381 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:18.0) Gecko/18.0 Firefox/18.0 ID:20120902185812 Pushlog: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=3d9424eb6eb4&tochange=6c66c3997381 Regression window(m-i) Good: http://hg.mozilla.org/integration/mozilla-inbound/rev/476d122c82a6 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:18.0) Gecko/18.0 Firefox/18.0 ID:20120902155712 Bad: http://hg.mozilla.org/integration/mozilla-inbound/rev/6c66c3997381 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:18.0) Gecko/18.0 Firefox/18.0 ID:20120902160711 Pushlog: http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=476d122c82a6&tochange=6c66c3997381 Regressed by: Bug 781731

Try run for 93b1400dc685 is complete. Detailed breakdown of the results available here: https://tbpl.mozilla.org/?tree=Try&rev=93b1400dc685 Results (out of 97 total builds): exception: 3 success: 72 warnings: 17 failure: 5 Builds (or logs if builds failed) available at: http://ftp.mozilla.org/pub/mozilla.org/firefox/try-builds/ajones@mozilla.com-93b1400dc685

Try run for 4307bd191edf is complete. Detailed breakdown of the results available here: https://tbpl.mozilla.org/?tree=Try&rev=4307bd191edf Results (out of 97 total builds): exception: 2 success: 83 warnings: 7 failure: 5 Builds (or logs if builds failed) available at: http://ftp.mozilla.org/pub/mozilla.org/firefox/try-builds/ajones@mozilla.com-4307bd191edf

Try run for 4307bd191edf is complete. Detailed breakdown of the results available here: https://tbpl.mozilla.org/?tree=Try&rev=4307bd191edf Results (out of 98 total builds): exception: 2 success: 84 warnings: 7 failure: 5 Builds (or logs if builds failed) available at: http://ftp.mozilla.org/pub/mozilla.org/firefox/try-builds/ajones@mozilla.com-4307bd191edf

Try run for 4307bd191edf is complete. Detailed breakdown of the results available here: https://tbpl.mozilla.org/?tree=Try&rev=4307bd191edf Results (out of 100 total builds): exception: 2 success: 86 warnings: 7 failure: 5 Builds (or logs if builds failed) available at: http://ftp.mozilla.org/pub/mozilla.org/firefox/try-builds/ajones@mozilla.com-4307bd191edf

Comment on attachment 674477 [details] [diff] [review] Part 2: Apply transform to text bounds v2 Review of attachment 674477 [details] [diff] [review]: ----------------------------------------------------------------- Nice find.

https://hg.mozilla.org/integration/mozilla-inbound/rev/1d7fc5c44ee2 https://hg.mozilla.org/integration/mozilla-inbound/rev/278e17fa10e7

https://hg.mozilla.org/mozilla-central/rev/1d7fc5c44ee2 https://hg.mozilla.org/mozilla-central/rev/278e17fa10e7

(In reply to :Ms2ger from comment #11) > https://hg.mozilla.org/integration/mozilla-inbound/rev/1d7fc5c44ee2 > https://hg.mozilla.org/integration/mozilla-inbound/rev/278e17fa10e7 Please nominate for aurora-uplifts once we comfortable with testing/bake-time on m-c.Thanks !

Comment on attachment 674477 [details] [diff] [review] Part 2: Apply transform to text bounds v2 [Approval Request Comment] Bug caused by (feature/regressing bug #): 781731 User impact if declined: Text shadow truncated when transforms applied Testing completed (on m-c, etc.): on m-c. local testing. Risk to taking this patch (and alternatives if risky): Low risk and could only affect text shadow because the bounds only used for shadow. String or UUID changes made by this patch: None.

https://hg.mozilla.org/releases/mozilla-aurora/rev/88df0b13ff34 https://hg.mozilla.org/releases/mozilla-aurora/rev/4682035751ea

The text still get truncated even in the first attachment test.html with lower shadowBlur value. i.e. c.shadowBlur=5; ....

If so, please file a new bug.

Verified fixed using the testcase and based on comment 18. Mozilla/5.0 (Windows NT 6.1; WOW64; rv:18.0) Gecko/20100101 Firefox/18.0b4 Aurora 19.0a2 (2012-12-18)