Hi Jeff,

check out draw2D.cpp from the NDK sample source.

Mike

On Sat, Jun 23, 2012 at 1:57 PM, Jeff Belgum <[email protected]> wrote:

> Hello everyone!
>
> I'm looking for examples or documentation on implementing the real-time
> preview found in many transform nodes and the warp nodes that shows up when
> manipulating handles in the viewer. I am assuming this is done with OpenGL,
> but I can't find any examples of this. Hopefully I just missed it somewhere
> in the documentation and someone can point me in the right direction. I'm
> looking to implement it in an Iop node.
>
> Thanks!
> Jeff
>
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