If you are using a QCView, use this:
http://developer.apple.com/technotes/tn2005/tn2146.html
If you are using Core Animation (i.e. QCCompositionLayer), try this
blog post:
http://www.cimgf.com/2008/09/24/core-animation-tutorial-core-animation-and-quartz-composer-qccompositionlayer/
and this thread:
http://www.cocoabuilder.com/archive/message/cocoa/2008/12/24/226305
and these docs:
http://developer.apple.com/documentation/GraphicsImaging/Reference/QCCompositionLayer_class/Introduction/Introduction.html
http://developer.apple.com/documentation/Cocoa/Reference/QCRenderer_Protocol/Reference/Reference.html#/
/apple_ref/occ/intf/QCCompositionRenderer
Switching the actual composition, though isn't something you should be
doing through a composition input. You just re-initialize your
QCCompositionLayer with a different .qtz file path or change your
QCView's composition path with - (BOOL)loadCompositionFromFile:
(NSString *)path.
Best regards,
-Matt
On Jan 7, 2009, at 2:13 AM, Jonathan Selander wrote:
Hi,
I'm creating a simple application that displays a QC and is supposed
to be able to switch composition, and to make this happen i first
created a qtz with a "Composition Loader", because i thought it
could be easy to just switch the input of the CL patch from the
program. The problem is that i have no idea how to manipulate QC
inputs programatically. I suppose it's fairly easy, could someone
give me a hint?
Thanks
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