Yes, changing the topology of the composition from within the execute
is not allowed. Could you load an image in the settings as a
"prototype" image like the Composition Loader does for compositions?
Why would you need to add ports dynamically like this?
Troy Koelling
On Feb 24, 2008, at 11:35 PM, Julien Rigal wrote:
Hello everyone,
I'm having trouble using the addInputPortWithType method inside the
execute function of my QCPlugIn.
I'm making a plugin that needs to dynamically adapt the number of
image and color input ports depending on the data it loads from a
file. I've added a conditional loop to my plugin's execute function,
but as soon a it's supposed to add a port, Quartz Composer throws an
exception:
Error -[GLModelLoaderPlugIn
addInputPortWithType:forKey:withAttributes:]: Inconsistent state.
I have the feeling I'm not supposed to be adding ports while
rendering, but if that's so, how does one go about doing this sort
of thing?
Regards,
Julien
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