I think you need an offscreen QCRenderer:
http://developer.apple.com/documentation/GraphicsImaging/Reference/QuartzFramework/Classes/QCRenderer_Class/Reference/Reference.html#/
/apple_ref/occ/instm/QCRenderer/
initOffScreenWithSize:colorSpace:composition:
Or simple init the QCRenderer object with a composition:
http://developer.apple.com/documentation/GraphicsImaging/Reference/QuartzFramework/Classes/QCRenderer_Class/Reference/Reference.html#/
/apple_ref/occ/instm/QCRenderer/initWithComposition:colorSpace:
On Aug 20, 2009, at 1:43 PM, [email protected] wrote:
Hi Folks,
I've been using QC as a test bed for sequences of CI filters and
math operations for image analysis.
Basically, I put the image in, pass it through various filters and
bits 'n bobs, and some info comes out the other end.
Ideally, I'd like to somehow invoke this QC composition from my
Cocoa code. Much like a function or method. I don't want to display
the composition output anywhere. It's just for analysis.
If I could do that, it would be great. I could tweak things easily
in QC, then hop back to XCode.
I see that you can use compositions in IB and have them displayed in
QCView. That's not what I want to do though.
Does anyone have any experience with this? Is it a worthwhile
approach?
Thanks again,
Max
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