> On Jan 7, 2015, at 8:02 AM, Luc Van Bogaert <luc.van.boga...@me.com> wrote: > > For instance, I have already been able to create and add sublayers to a > layer-backed view, but it is still unclear to me how to draw graphic content > in these layers.
I would start by drawing something to a single layer. You can draw using CALayer or CAOpenGLLayer. Use one of Apple’s sample code projects to get yourself up and running. When using CALayer, subclass and override drawInContext: to draw something. When using CAOpenGLLayer it is more difficult but basically you subclass and override drawInCGLContext:pixelFormat:forLayerTime:displayTime: to draw something. For a “drawing application” you would most likely have a multitude of model objects drawn using a single layer. Richard Charles _______________________________________________ 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
