Am Samstag, 3. Juni 2006 16:58 schrieb Joao S. O. Bueno Calligaris:
> On Saturday 03 June 2006 09:53 am, Simon Budig wrote:
> > Alan Horkan ([EMAIL PROTECTED]) wrote:
> > > On Sat, 3 Jun 2006, Simon Budig wrote:
> > > > That sounds as if you don't clear the layer before you use it
> > > > for the first time. Layers created from a Plugin are not
> > > > initialized from the very beginning. They need to be cleared
> > > > using e.g. gimp_drawable_fill.
> > >

Thanks a lot,

that helped. Did it with:

newLayer.fill(TRANSPARENT_FILL)

seb

> > > I remember getting caught out by this too.  Why is necessary to
> > > manually clear a new layer rather than have it done
> > > automatically?
> >
> > I have no strong opinions on that. I guess the reasoning behind
> > this behaviour was a speed optimization: If a plugin later renders
> > stuff to a new layer anyway it would be a waste of time to clear it
> > automatically. If it doesn't it would just invoke
> > gimp_drawable_fill. No harm done, except that you have to know
> > about it.
> >
> > It might even matter for big images...
>
> For C plug-ins  that might be true. However, python plug-ins are not
> good in dealing directly with pixels - that is, for rendering things.
>
> I guess the python api for creating a layer could create an empty one
> with no problems.
>
> Regards,
>       JS
>       -><-
>
> > Bye,
> >          Simon
>
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