[X4U] Photoshop - Rotating image scrambles image

[peter.frings at agfa.com]

on 2004/12/31 3:35, x4u-bounces at listserver.themacintoshguy.com wrote:

>> Hi Zane,
>> I could do a 180-degress rotation on the
>> norotate.jpg file using Photoshop CS without
>> problems.
>> Although I do a lot of rotations (90 and 180š)
>> with very large files. often more than 20 MB.
>> I've never seen srambled results from Photoshop
>> CS.
>> Rob _______________________________________________
> 
> The file in question is 4MB saved as Photoshop
> (BMP).  At the same time I'm able to rotate a
> 62.8MB image that is saved as Photoshop (RGB/8)
> without any problem.  If I take that same 62.8MB
> image, and change it from RGB/8 to Bitmap, and
> try to rotate it, it scrambles the image.  The
> problem seems to be specific to Bitmap files.
> 
> Zane

IFAIK, there was a bug in PS that caused corruption when rotating large
images. I'm not sure whether this was in 7.0 (or CS?), but I would suggest
you make sure to upgrade/update to the latest version.

Cheers,
Peter.