On 18 Jul 2009, at 10:16 AM, DKJ wrote:
On 18-Jul-09, at 8:08 , Fritz Anderson wrote:
How did you create the NSDictionary? Do you declare a property or
accessor methods for the instance variable? Did you use them? If a
property, does it have the copy or retain attributes?
Show your declaration and initialization code.
This is what I have in awakeFromNib
shadingAreas = [[NSDictionary alloc] initWithObjectsAndKeys:
SaM, @"SaM", SeM, @"SeM", nil];
Which leads to my next question: The objects in this dictionary are
CGMutablePathRefs. How should I wrap these for the dictionary? As
NSValues, using valueWithPointer:?
You have to release shadingAreas. You alloc'ed it, you own it.
My understanding is that the opaque CG types are all CFType objects (a
skim of CGPath.h confirms this for CGPathRef), and that the managed-
object methods work on CFTypes. NSDictionary retains its value
objects. Assuming you don't want access to SaM and SeM independent of
the dictionary, call CGPathRelease on both of them once the dictionary
has them. They'll stick around till you release the dictionary.
— F
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