Re: [Gimp-developer] Creation of a "set of operations" item

[Stephen Kiel <snick kiel gmail com>]

Joao,

I would like to comment that this suggestion seems like it would be a real
enhancement for gimp.  I did a writeup on combining commands for the
current / older version of gimp using the python interface at:
http://www.gimp.org/tutorials/Automate_Editing_in_GIMP/. The tutorial talks
about combining commands, and in the second part orgainizing them into
workflows. It may be possible to use it as a prototype or the start of a
list of possibilities.  As I have not really been tracking the GEGL
development, I can't offer any to the point comments, but I am sure wishing
you luck with this idea.

Stephen Kiel



On Sat, Mar 15, 2014 at 7:27 AM, Joao S. O. Bueno <gwidion mpc com br>wrote:

> Hi,
> I would like to discuss about the possibility
>  of a "Set of operations" GIMP item -
>
> In the current state of GIMP, I think one
> nice thing to have would be the ability to
> specify sets of GEGL operations that could
> be re-used across the UI in some different places.
>
> One example of such "Set of operations" could be,
> for example, a gaussian blur filter - the set
> includes the parameters as well. Another
> example could be a "Resample to 50% size, Unsharp mask"
> set.
>
> Where could those be used?
> I thought of primarily two places - with more potential
> nice places to come along:
>
>     1. As an "adjust layer" - just that - have
>     a special Layer class that encapsulates a set
>     of Gegl operations, and apply then to the
>     rendering of the layer imediatelly bellow.
>     This would give us "Adjustment layers"
>     as they are called in other software,
>     essentialy "for free"
>
>     2. Attached to an image, as a set to be
>     automatically applied before exporting the
>     image to an specific format.
>     Currently, the "merge-visible-layers" action
>     is performed at this stage, for most formats.
>     But in some mail-threads here it became clear that
>     the ability to resize an image to an specific
>     size, among other things, could greatly
>     simplify the current workflow for keeping
>     a high-quality XCF image, and exporting
>     incremental versions of down-sampled/filtered
>     versions for production. (Like in edit, save,
>     resize to 50%, export as PNG - undo to further
>     editing the image, and the resize is lost, and must
>     be reapplied when exporting the new version)
>
> And there could be some "bonus places" to attach these
> "sets of operations":
>     3. To patterns, before applying them - so
>     that rotation and scaling of patterns would
>     be easy
>     4. To brush masks, as part of the painting dynamics.
>
>
> Can we discuss this further along?
> I know Mitch is experimenting with
> operations attached to layers, but I don't
> know wether they are along thse lines, or more
> like recording all operations mad in a layer,
> in an early quest to "non destructive editting".
>
> Maybe there is a roadmap for a similar
> thing already, that I am not aware of - but
> having the "sets of operations" behave
> as regular GIMP items that can be used - and
> being able to pick/create then at the layers dialog
> bucket fill tool options, export dialogs, could
> be a nice way of enabling the possibilities
> of GEGL and non-destructive editing to end users.
>
> Regards,
>
>   js
>  -><-
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