Filters : Preview and Adjustement Layer

Boudewijn Rempt boud at
Thu Jan 31 21:36:39 CET 2008

On Monday 28 January 2008, Cyrille Berger wrote:

> Yeah I still dream of having rotation/scaling as adjustement layer ;)

Well, the basics are implemented as masks -- making them work correctly is 
another things.

> > We will have to do something like this (gegl has it, too), but that is
> > going to be a complicated operation. ThreadWeaver can help here, since
> > it does allow job dependencies to be set, but it means that I have to
> > split up the jobs in two dimensions, i.e., instead of just tiling up
> > the image. I will also have to create jobs for the parts of the layer
> > stack between adjustment layers that need to see the whole projection
> > underneath themselves.
> Sounds fun, isn't it ?

Yeah, one for my todo, I guess.

> > >  and an other solution is to
> > > further refine the exact bound each time new data is available.
> >
> > That's pretty complicated for adjustment layers and filter masks on
> > group layers. Right now, adjustment layers are as big as the imagem, but
> > not bigger. What should happen when part of a layer is outside the image
> > bounds with these filters, btw? Should the hidden part be taken into
> > account?
> At least for the lens filter, yes.

Hm, that needs more work then.

Boudewijn Rempt

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