https://bugs.kde.org/show_bug.cgi?id=356303

Storm <hewa...@gmail.com> changed:

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--- Comment #17 from Storm <hewa...@gmail.com> ---
Created attachment 95991
  --> https://bugs.kde.org/attachment.cgi?id=95991&action=edit
Opacity error when converting color spaces

Boud asked me to upload this here. I recently discovered that when converting
between color spaces of different gamma curve, opaque areas convert fine wile
transparent areas get screwed up: generally lightened and desaturated. It
happens either if I convert from 8 bit to 16 or 8 to 8, as long as I convert
from on-linear gamma to linear.

The layer in question has semi-transparent content, with the layer's opacity
value at 100%. I tested converting brush strokes made with a smooth edge brush,
and the inner, opaque part of the stroke converts well while the
semi-transparent edge, start and end of stroke doesn't.

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