bitmap corruption

Michael Stefaniuc mstefani at
Sun Mar 16 09:59:21 CST 2003

On Sun, Mar 16, 2003 at 02:02:18AM +0000, Mike Hearn wrote:
> if anybody wishes to tackle a fun bug, take a look at the imagelist
> control in commctrl32 - it corrupts masks, giving some nasty visual
> corruption esp on toolbar icons, but i've also seen it in winrar.
Have a look at this email
ImageList_AddMasked() is known to corrupt images.

> i suspect the _read_bitmap function doesn't do 1bit images correctly,
> but didn't really manage to find out. i might have another crack
> tomorrow, but in case somebody is looking for a job.... :)

Michael Stefaniuc               Tel.: +49-711-96437-199
System Administration           Fax.: +49-711-96437-111
Red Hat GmbH                    Email: mstefani at
Hauptstaetterstr. 58  
D-70178 Stuttgart
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