https://bugs.kde.org/show_bug.cgi?id=411711
caulier.gil...@gmail.com changed:
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CC| |caulier.gil...@gmail.com
--- Comment #8 from caulier.gil...@gmail.com ---
Hi Maik,
Yes i know, as i implemented this code.
Very simple : 42 is to compute a black point from a low middle gray level. Is
the same way 212 to compute a white point for high middle gray level.
This feature is inspired by Curve tool from Photoshop. You can capture a color
from a region of image. Depending of tool use (low, middle, high gray), all
settings are adjusted accordingly.
https://helpx.adobe.com/photoshop/using/curves-adjustment.html
Look B, C, and D tool from this tutorial.
Gilles Caulier
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