Re: What is a CALayer?
Re: What is a CALayer?
- Subject: Re: What is a CALayer?
- From: Andy Lee <email@hidden>
- Date: Tue, 17 Feb 2009 14:03:58 -0500
On Feb 17, 2009, at 1:50 PM, John C. Randolph wrote:
On Feb 17, 2009, at 10:40 AM, Gordon Apple wrote:
OK, I've said it. WHAT is a CALayer? I'm using a lot of them and
appreciate what they can do, but still don't understand them.
It's an object that manages an OpenGL surface, its location in 3D
space and its place in a hierarchy of layers.
Does that help?
I don't know about Gordon, but it helps *me*. I only have a rough
idea about CALayer from one ADC video I half-watched, and didn't know
until looking at the class doc just now that it's a model class. For
some reason I'd thought it was a view class.
--Andy
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