808870 - Pointer-events don't match the visual layout when some CSS transforms are applied

Status: NEW

(Core :: Layout, defect)

Description

[Matthew N. [:MattN]]

Attachment: Testcase 1 CSS

When I apply the following CSS transforms on a solid colored square where the result is visually identical to the original, there is a 1px wide vertical line on the left edge where pointer-events do not go to the element.

* scaleX(-1)
* rotate(90 + n*360 deg)
* rotate(180 + n*360 deg)

The problem does not occur for:
* rotate(270 + n*360 deg)
* rotate(360 + n*360 deg)

Comment 1

[Matthew N. [:MattN]]

Attachment: Testcase 1 XUL (whitelist for remote XUL)

UL portion of the testcase.

Comment 2

[Matthew N. [:MattN]]

This is also reproducible on OS X 10.7 with Nightly 22.

Comment 3

[Matthew N. [:MattN]]

Attachment: Testcase 1 HTML

Comment 4

[Jonathan Watt [:jwatt]]

Mass bug change to replace various 'parity' whiteboard flags with the new canonical keywords. (See bug 1443764 comment 13.)