230077 - Artifacts in underlying background image when scrolling block with background-colour and -moz-opacity

Status: VERIFIED FIXED

(Core :: Web Painting, defect)

Description

[James Graham]

User-Agent:       Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.6b) Gecko/20031216 Firebird/0.7+
Build Identifier: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.6b) Gecko/20031216 Firebird/0.7+

A document with
1) a background image
2) An element which scrolls (e.g. a div with overflow:auto) positioned above the
background image that has -moz-opacity < 1 and a background color set
shows serious artifacts in the background image when the scrolling element is
scrolled.

Reproducible: Always

Steps to Reproduce:




Test case forthcoming

Comment 1

[James Graham]

Attachment: testcase

Hopefully the test case is more useful than my description :)

Comment 2

[James Graham]

Also occurs with 20040105 Firebird linux GTK2+XFT
OS -> all

Comment 3

[Andrew Schultz]

confirmed with linux trunk 2004010807

Comment 4

[jamie wilde]

confirmed with Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.6)
Gecko/20040113

Comment 5

[Robert O'Callahan (:roc) (email my personal email if necessary)]

I believe this has been fixed by my checkin for bug 231585

Comment 6

[James Graham]

Verfied using Gecko/20040411

Thanks roc!