[Gimp-developer] Hard edged Ink tool?

[David Gowers]

On 8/29/06, Sven Neumann <sven at gimp.org> wrote:
>
>
> Gegl doesn't support images with indexed colors and I very much doubt
> that it ever will support it. It is rather likely that indexed mode will
> be completely handled by load and save plug-ins in a gegl-based GIMP. If
> there's a need for editing indexed mode, this need will likey have to be
> fulfilled by a different application then.


Ah. It's not so much a need, as the tools would be much faster in indexed
mode (eg 'shade' mode -- painting that cause pixels to change to the next
brighter or darker color in the palette). Naturally palette searching would
be needed for that in RGB mode, as opposed to running the indice through a
256-entry lookup table.

However, I suspect that simply having a 'indexize'* op just before the
display op in the graph would probably work well enough (possibly better,
even).

*or 'quantize' -- whatever it would be called, where it receives RGB data
and outputs  quantized RGB data.
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