Is it possible to use the filters inside a .qtz file without rendering
(no use of QCRenderer renderAtTime:) ?
What I'd like to have is a sequence of filters in a .qtz, lets say
Gaussian, followed by (connected to the input of) Sepia, publishing
the first filter input and last filter output. Then open the .qtz as a
QCRenderer and feed the first filter a CIImage and get the output
CIImage for rendering with CIContext's drawImage:
So far, this does not seem to be possible. Is it ? Do I have to render
using QCRenderer ? Do I have to render in a pixel buffer and load it
as a gl texture in a new CIImage or is there a shorter route
(QCRenderer uses CIImage internally...) ?
Thanks
Raphael
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