322926 - incorrect interpretation of css background position y-pos percentage value

Status: RESOLVED DUPLICATE of bug 243751

(Core :: Layout: Positioned, defect)

Description

[Sebastian Winkler]

User-Agent:       Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8b2) Gecko Camino/0.9+
Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8) Gecko/20051111 Firefox/1.5

The vertical position percentage value of a css background image is interpreted in some weird way.

Reproducible: Always

Steps to Reproduce:
Check out the demonstration URL
Actual Results:  
With negative values it apparently references the background object's own y-dimension.
With positive values I cna't even recognize the pattern.

Expected Results:  
y-pos values should — just like x-pos values — be interpreted as referencing the containing block's dimensions.

This bug was introduced with Firefox 1.5.
Firefox 1.0.4 displays the background position correctly.

Verified for: Firefox Win, Firefox Mac, Camino

Comment 1

[Sebastian Winkler]

The bug is bogus!

The Mozilla implementation is correct, I guess, as it refers to the body container, not the view port, when the background image is set on the body.

My applologies!
I changed status to INVALID. I hope that's correct.

Comment 2

[Ryan Flint [:rflint] (ping via IRC for reviews)]

*** This bug has been marked as a duplicate of 243751 ***