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Re: CGImageRef as a property of a cocoa object
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Re: CGImageRef as a property of a cocoa object


  • Subject: Re: CGImageRef as a property of a cocoa object
  • From: Graham Cox <email@hidden>
  • Date: Sun, 22 Sep 2013 11:07:08 +0200

On 21/09/2013, at 5:13 PM, Dave <email@hidden> wrote:

> Also CF objects will throw an exception if you call release with a nil pointer, so you can check for this in your setter.


Not if there is a specific retain/release function such as CGImageRetain, CGImageRelease. These ignore nil. You should always use these instead of a generic CFRelease because they may do additional work for all we know.

--Graham



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  • Follow-Ups:
    • Re: CGImageRef as a property of a cocoa object
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References: 
 >CGImageRef as a property of a cocoa object (From: Kevin Meaney <email@hidden>)
 >Re: CGImageRef as a property of a cocoa object (From: Roland King <email@hidden>)
 >Re: CGImageRef as a property of a cocoa object (From: Dave <email@hidden>)

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