On Fri, Jan 25, 2013 at 5:36 PM, Emre Meydan <[email protected]> wrote:
> Hi,
>
> Would it be too much work to add an option to the invert plugin to disable
> color subtraction ("color of film material") and perform just a simple color
> inversion?

Just select pure white as the "color to subtract". If you image
doesn't have pure white, you could make a pure white image, do a color
select on that, then save it as a preset, and use that on your images.

If that works well, we could consider adding a similar preset to
darktable out of the box.

Regards,
Pascal de Bruijn

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