[Gegl-developer] Filters to be programmed.

[Geert Jordaens]

Øyvind Kolås wrote:
> I am thinking about trying to reuse the SVG1.1 filter syntax for
> custom graphs for the XML. The image processing primitives in SVG1.1
> makes up my current wish list for operations (along with porting some
> simple chromakeyer from gggl/blender, as well as other sources of
> image processing operations that might exist.)
>
> One of the nicer things about the SVG filters are that the
> reference[1] specifies how to make these operations scale tolerant,
> which is something that is needed for proper minimization of computed
> regions at a later stage of GEGL development.
>
> So if someone wants to take a shot at coding gegl filters, coding some
> of these (or porting the equivalents from somewhere else) would be
> welcome additions. (make sure it doesn't already exist though).
>
> /Øyvind K.
>
> 1: http://www.w3.org/TR/SVG11/filters.html

I can give it a try to code some filters.
Should the filters get a separate directory?

operations        Runtime loaded plug-ins for image processing operations.
 ?   ?
 ?   ???core          Basic operations tightly coupled with GEGL.
 ?   ?
 ?   ???blur          Blurring operations.
 ?   ???color         Color adjustments.
 ?   ???display       Operations that show image data as a side effect.
 ?   ???meta          Operations that are made by gegl graphs.
 ?   ???file-io       File loaders.
 |   |__Filters 
 ?   ???render        Operations providing patters, graidents, fills, ...
 .   .
 ?   ???transform     transforming/resampling operations
 ?   ???transparency  opacity/mask control
 .   .
 .   .
 .   .

Geert