Returning an image from the viewer

[Juan Nunez-Iglesias]

Thanks Josh!

On Tue, Oct 29, 2013 at 10:25 AM, Josh Warner <silvertrumpet999 at gmail.com>wrote:

> There was some discussion about the save functionality in the original PR.
> I admit, I advocated to change "File -> Save As" from saving the overlay to
> saving the actual image the user sees... so feel free to send some blame
> for the present behavior my way.
>

I can see both use cases. The solution, imho, is to have two menu items,
"save displayed as" and "save overlay as". I'll make a separate PR for that
function. =)

There should be an option to add a Save Overlay *button* which should allow
> you to grab the overlay specifically.
>

I thought about that but wasn't able to wrap my head around how to do that
before asking for help here. =)


>  As to your second question: I think you can send data either to a file,
> or to a buffer which can be read out using `skimage.io.pop`. I've used this
> before, but my memory is a bit fuzzy on it now. If this isn't currently
> available for scripting like your hoped-for functionality example, I'm sure
> it could be implemented.
>

I saw a comment in the code saying something similar to "this doesn't work
for interactive sessions", which scared me off it a little bit. But I'll
look into that option, which seems most suited to my needs.

Thanks for the PR fixing the save dialog if it's RGB!
>

No worries! Hopefully it'll get reviewed soon... ;)
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