630372 - favicon not rendering

Status: RESOLVED DUPLICATE of bug 600556

(Core :: Graphics: ImageLib, defect)

Description

[IT.]

User-Agent:       Mozilla/5.0 (Windows NT 6.0; rv:2.0b10) Gecko/20100101 Firefox/4.0b10
Build Identifier: 

this favicon does not render on firefox (4 beta 10) but it does on internet explorer and google chrome. It is saved as 4bpp, 1-bit alpha, 16 slot palette and png compression

Reproducible: Always

Steps to Reproduce:
1.open favicon in firefox (see attachments)
2.nothing displays
3.open it with ie or chrome, it displays
Actual Results:  
a blank picture at expected dimensions, without any color

Expected Results:  
a picture at expected dimensions, with the logo drawn

Comment 1

[IT.]

Attachment: 4 bpp, 1-bit alpha, 16-slot palette, png compression

Comment 2

[Brian R. Bondy [:bbondy]]

The referenced image is a PNG icon.  We will support PNG icons once my patch here is pushed: Bug 600556

Comment 3

[Brian R. Bondy [:bbondy]]

I did verify with the patch in Bug 600556 and the reference image looks right.