On Thu, Aug 18, 2011 at 4:23 PM, David Duncan <david.dun...@apple.com> wrote: > On Aug 18, 2011, at 4:16 PM, James Walker wrote: > >> Let's say I have an NSImage that contains some representation other than an >> NSBitmapImageRep, and I want to play with the pixel values. > > > Create your NSBitmapImageRep > Create a NSGraphicsContext from that rep and make it current > Draw your NSImageRep using -draw (or -drawAtPoint: or -drawInRect:) to draw > into the current graphics context. > > You now have an NSBitmapImageRep with your image contents.
I'd point you at the Snow Leopard AppKit release notes, which contain a very long discussion about this topic (presumably written by David), but it seems there are only the Lion and Leopard versions available online. :( --Kyle Sluder _______________________________________________ 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
