Hi Richard,
... Since the "import snapshot" command grabs from the screen buffer, it doesn't have the smarts to be able to grab a composite without the topmost window layer. One can get it by hiding the window for a brief moment to grab it, but the flash is disturbing and doesn't satisfy the goal of creating a seamlessly smooth transition effect.
In short, if someone cares to write an external that hooks into Quartz
to grab a composite of all but the topmost window layer the rest should
be a snap. But I'm not sure of the compositing engines on other
platforms are sophisticated enough to write such a thing for other OSes,
so it would, like Dashboard itself, be limited to OS X only.
Please don't forget the wonderful "Window External" of Trevor!
At least it supplies continuously adjustable transparency of windows/stacks...
It works like a charm, at least on OS X ;-)
Regards
Klaus Major [EMAIL PROTECTED] http://www.major-k.de
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