On Tue, 15 Aug 2017 10:07:47 -0700, Doug Hill said: >>> Check out CoreImage ColorControls filter, which has a Saturation parameter: >> >> Thanks Doug and Jonathan for the CIImage suggestion, I'll take a >closer look. But one thing I don't see at all in CIImage.h is how to >get an NSData of the pixels of a CIImage. There are init methods that >take NSData, but nothing I see gives NSData. >> >> I should note that I have no need to draw this data whatsoever. I >only need access to the raw pixels to do some custom processing on. > >NSBitmapImageRep can be created from a CIImage, and has methods for >creating an NSData version of the bitmap, or just getting the bitmapData >and/or data planes.
Right, but then I'm back where I started. :( Because there's (apparently) no way to ensure that the NSBitmapImageRep I get is in a particular format, and I absolutely need 8 bit per pixel & greyscale. Cheers, -- ____________________________________________________________ Sean McBride, B. Eng s...@rogue-research.com Rogue Research www.rogue-research.com Mac Software Developer Montréal, Québec, Canada _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com