On Apr 14, 2008, at 11:56 AM, Carter R. Harrison wrote:
cgback is a CGLayerRef instance variable that I setup when the view
is inited. I use the following line:
cgback = CGLayerCreateWithContext(context, CGSizeMake([self
bounds].size.width, [self bounds].size.height), NULL);
It's my understanding that I do not need to retain cgback with
CFRetain(), but I do need to release cgback in my dealloc() method -
which I'm doing.
Where is "context" coming from? CGLayers are made relative to an
example context that they optimize themselves for, but at -init your
view hasn't been drawn yet, so there is no context. I suspect that
your getting something you very much do not expect.
In general if you want to use layers with views, you should create the
layer on the first -drawRect: call rather than trying to have them
around from -init forward.
--
David Duncan
Apple DTS Animation and Printing
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