Re: Questions regarding release
Re: Questions regarding release
- Subject: Re: Questions regarding release
- From: Gabriel Zachmann via Cocoa-dev <email@hidden>
- Date: Fri, 27 Sep 2019 01:20:02 +0200
> The issue in the below code to my eye is that you allocate a path with
> CGPathCreateWithRect (+1) but then don't release it.
>
> In that case, I am wondering:
> doesn't ownership pass to the textlayer ?
> If yes, shouldn't textlayer release the path when it gets destroyed by the
> ARC?
>
> CALayer will indeed release shadowPath when it’s deallocated. However,
> CALayer.setShadowPath doesn’t expect to be passed a +1 reference, so it will
> retain/copy its argument, and it’s that retain which will be balanced by the
> release during object destruction. Functions and methods generally do not
> expect to be passed +1 objects.
So, if I understand you correctly, I should do this:
textlayer.shadowPath = CGPathCreateWithRect( textlayer.bounds, NULL );
CFRelease( textlayer.shadowPath )
?
Is that correct?
Best regards, Gabriel
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