On Nov 5, 2016, at 5:15 PM, Richard Charles <rcharles...@gmail.com> wrote: > >> On Nov 5, 2016, at 5:50 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> >> wrote: >> >> I have an iOS app in which the user touches the screen, and I need to read >> the color of screen at the touched point. How can this be done in iOS 9.3? > > OpenGL ES glReadPixels?
Thanks, that's the hint I was looking for! Got it working! -Carl _______________________________________________ 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