Michael, two things:
1) Check out the Quartz Composer Programming Guide. The section "Publishing Ports and Binding Them to Controls" takes about QC ports and how your program can communicate with active compositions
2) Check out the doc for the QCComposition class. One of the standard protocols for an encapsulated composition is QCCompositionProtocolImageFilter which will give you information about which ports an image filter composition is expecting for proper operation.
3) The QCTV sample code is a good example of how to communicate between an application and various Quartz Compositions.
regards, douglas On Jan 21, 2009, at 1:13 PM, Michael Hanna wrote:
I'd like to access programmatically the quartz composer image filters(just like it's done in the Automator script "Apply Quartz Composition Filter to Image Files). How do I do this? Are they really just CIFilters of a particular category? Michael
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