Daniel wrote:

> My question is, is there any alternate way to use the tools other then
> the gimptools methods? 

No, not really.

> A way to do the operations but not remember it for undo
> until I say would be a possible solution.

That's easy, see 

http://developer.gimp.org/api/2.0/libgimp/libgimp-gimpundo.html

I assume gimp is interpolating between the
points it gets in order to get the smooth effect, is there a way for
the plugin to use this or will I need to do this myself?

GIMP does interpolate for paint tools, you can find the code
in app/paint/gimpbrushcore.c and elsewhere.  This functionality
is not currently exported to libgimp; it might be easier to
arrange this than to rewrite the code on your own, since it is
rather complex.

I presume, by the way, that you actually *are* getting all the pointer
motion information gdk can provide, i.e., you are using GDK_POINTER_MOTION_MASK
in your event mask rather than GDK_POINTER_MOTION_HINT_MASK.

Best,
  -- Bill
 

 
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