A filter can only produce an image, and you would have to render this
image into a bitmap context or read the pixels from the OpenGL context.
Frank
On May 25, 2006, at 12:20 PM, Santiago (Jacques) Lema wrote:
Hello,
is it possible to get something else than pixels out of a
CIFilter? I am thinking about finding the bounds of the non-
transparent zone in a CIImage. Currently the only solution I found
was to draw onto an nsbitmaprep and scan the pixels from there.
Could I do this without transferring the image from the GPU to the
main memory? Is there a way that a CIKernel could access some
static values that could then be returned by the CIFilter?
Thanks, Jacques
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