Hello,

for a module like monochrome one would expect that the output is always
monochrome. But as soon as you enable some blending mode (apart from 'normal')
then the output switches to color (assuming that the input was in color to start
with).

Setting saturation to zero in any module that provides that option implies the
same colorful result after enabling blending.

Because the blending process takes the original input image as its own input
then the effect is very understandable from an implementation point of
view. However, from a user's point of view it looks confusing.

The work around is to have a second module instance after the first one and do
the blending there. Did I miss some other option?

Thanks,
 Rodrigo

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