Re: addInputPortWithType inside execute function?

Subject: Re: addInputPortWithType inside execute function?

From: Troy Koelling <email@hidden>

Date: Tue, 26 Feb 2008 11:21:25 -0800

Delivered-to: email@hidden

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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References:
	>addInputPortWithType inside execute function? (From: Julien Rigal <email@hidden>)