It could have been built in Photoshop.

Joe Lewis Wilkins wrote:
> 
> Hi Waverly,
> 
> "Edwards, Waverly" wrote:
> 
> > Matt, I dont see that this does anything more than blacken the screen.  I
> > would like to read the pixels directly from memory, without using getCpixel
> > because it doesnt allow the capture of translucent drags any more than using
> > copybits.  It appears that when the cursor is shielded, the  drag image
> > disappears as well.
> 
> I don't know if this is exactly what you're talking about, but the latest
> Tutorial at MacInstruct has a screen shot in which the author managed to
> capture a translucent drag.  I'm sure he would share the technique he used with
> you, if that is all you need.  I doubt that it was programmed, unless he used
> AppleScript, and I would love to know how he did it too.  I've tried, several
> times, using conventional screen capture techniques, to no avail.