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[GSoC] Midterm project evaluations coming up

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Argh!

My explanation (RE: Adam's GSoC deliverables) was terrible (Adam just
called me on it).

What I meant:

Somehow allowing a variable footprint (stencil) in (re)samplers. Right
now, the footprint is fixed (from
gegl/gegl/buffer/gegl-sampler-cubic.c):

 GEGL_SAMPLER (self)->context_rect.x = -1;
 GEGL_SAMPLER (self)->context_rect.y = -1;
 GEGL_SAMPLER (self)->context_rect.width = 4;
 GEGL_SAMPLER (self)->context_rect.height = 4;

The RHS's are arbitrary, but I don't think they can be changed at
run-time on a pixel by pixel basis (or even on a run by run basis?).

Hopefully, it makes sense now.

We already have some ideas of how to emulate it.

Nicolas Robidoux
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