Re: [Gimp-user] A better way to close a path where an end node is on top of a start node

["ugajin talktalk net" <ugajin talktalk net>]

In a sense it may.

Thanks.

> ----Original Message----
> From: simon budig de
> Date: 01/02/2016 11:17
> To: <gimp-user-list gnome org>
> Subj: Re: [Gimp-user] A better way to close a path where an end node 
is on top of a start node
> ugajin talktalk net (ugajin talktalk net) wrote:
> > Simon - I don't see how this will work in the scenario described.
>
> We're talking about programmatically constructing a stroke within a
> vectors object, that has its end node placed on the start node and 
then
> is supposed to be closed. right?
>
> I started a new gimp instance and issued the following commands in the
> script fu console:
>
> > (gimp-image-list)
> (1 #(1))
>
> > (gimp-vectors-new 1 "testpath")
> (3)
>
> > (gimp-image-insert-vectors 1 3 0 0)
> (#t)
>
> > (gimp-vectors-bezier-stroke-new-moveto 3 100 100)
> (1)
>
> > (gimp-vectors-bezier-stroke-cubicto 3 1 150 100 200 150 200 200)
> (#t)
>
> > (gimp-vectors-bezier-stroke-cubicto 3 1 150 200 100 150 100 100)
> (#t)
>
> > (gimp-vectors-stroke-get-points 3 1)
> (0 18 #(100.0 100.0 100.0 100.0 150.0 100.0 200.0 150.0 200.0 200.0
> 150.0 200.0 100.0 150.0 100.0 100.0 100.0 100.0) 0)
>
> > (gimp-vectors-stroke-close 3 1)
> (#t)
>
> > (gimp-vectors-stroke-get-points 3 1)
> (0 12 #(100.0 150.0 100.0 100.0 150.0 100.0 200.0 150.0 200.0 200.0
> 150.0 200.0) 1)
>
> This is constructing a path with two bezier segments, where the end of
> the last segment coincides with the start of the first segment.
>
> As you can see gimp-vectors-stroke-close reduced the number of points:
> Gimp has determined, that the first and the last control point are on
> top each other and that their respective control handles do not hold
> relevant information (since their coordinates are identical with the
> anchor handle).
>
> So the final result after the stroke-close contains exactly six 
handles
> (i.e. the coordinate array contains 12 elements). Which IMHO is the
> desired result.
>
> I hope this helps,
>        Simon
>
> -- 
>              simon budig de              http://simon.budig.de/
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