On Mar 10, 2011, at 07:18, Leonardo wrote: > But if I save the same image with Photoshop as TIF, I get an "alpha > premultiplied" bitmap format and a bitsPerPixel = 24. But worst of all, all > the alpha values are 1.0, while some of them is for sure 0.5. So I can't > even calculate the original non multiplied RGB values.
Well, what's your evidence that Photoshop didn't save the file as RGB (rather than RGBA or ARGB), since bitsPerPixel==24 suggests that it did? _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
