[ImageJ-devel] how to get current ImageJ context in ImageJ 2

[Curtis Rueden]

Hi Albert,

> Does this mean that a scripting interpreter will have to declare,
> internally, a variable that points to the ImageJ context?

Yeah, the idea is that when you run a script, the context will be injected
somehow. The scripts themselves will not need to care, of course. Probably
the scripting framework will provide a setContext(ImageJ) method for such a
purpose, and its logic will fail (with an informative exception) if the
current context is null.

-Curtis


On Tue, Apr 10, 2012 at 2:25 PM, Johannes Schindelin <
Johannes.Schindelin at gmx.de> wrote:

> Hi,
>
> On Tue, 10 Apr 2012, Albert Cardona wrote:
>
> > This below is nice: no more global variables.
> > Does this mean that a scripting interpreter will have to declare,
> > internally, a variable that points to the ImageJ context? Otherwise
> > the script cannot know where to reach for the currently active
> > Dataset, or get the list of existing, open Dataset instances.
>
> Dude. We're still struggling with other things... Scripting is slated for
> the second half of the beta2 phase. See our timeline.
>
> But yes, in general we will try to have such references, with a fallback
> to ImageJ.getContext() (the result of which may depend on the thread it
> was called from).
>
> Ciao,
> Johannes
>
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