Re: QCRenderer and getting the OutputPort values

• Subject: Re: QCRenderer and getting the OutputPort values
• From: Kevin Kicklighter <email@hidden>
• Date: Tue, 24 Jan 2006 08:20:37 -0500
• Delivered-to: email@hidden
• Delivered-to: email@hidden

Kevin.

On Jan 23, 2006, at 4:31 PM, Pierre-Olivier Latour wrote:

Thanks, I actually got my QCView code working with the input & output ports working (the problem was I didn't have the patch and value prefix and postfix). However, for my QCRenderer implementation it doesn't work. I do know that my composition works, but this is what I get.

2006-01-23 13:13:24.562 uic[1582] Exception raised during posting of notification. Ignored. exception: [<QCRenderer 0x33d1f0> addObserver:<Screen 0x32d2d0> forKeyPath:@"patch.imageClickA.value" options:0x0 context:0x0] was sent to an object that is not KVC-compliant for the "imageClickA" property.

Actually, that's right, the QCRenderer object is not KVC compliant: only the QCPatchController is

Read technote:
http://developer.apple.com/technotes/tn2005/tn2146.html

Also, another dumb question: the return of valueForOutputKey is "id", can I just cast that to a BOOL? or do I have to use NSNumber or NSValue ?

It will be a NSNumber that contains a boolean

________________________________________________________
Pierre-Olivier Latour                            	email@hidden
Quartz Composer Team				Apple Computer, Inc.

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