https://bugs.kde.org/show_bug.cgi?id=484872

--- Comment #9 from Mirco Miranda <mirco...@gmail.com> ---
(In reply to Adolfo Rodrigues from comment #7)
> I have my monitor calibrated via internal lut, no ICC, qwenview is
> definately crushing blacks.

In latest image I added an sRGB profile to your PNG. Now all software (GIMP and
GwenView) shows similar blacks. I wrote similar because in gimp it is necessary
to set the color profile of the monitor, the rendering intent (perceptual) and
the black point compensation (off). By doing this I got 1/255 difference on
some blacks compared to GwenView (which I have no idea how and if it uses the
monitor's color profile).

That said, I can't tell you who is right about the accuracy of the scale: the
problem seems to be in how the software treat the original PNG with the gamma
info only. GIMP seems ignoring the gamma info and uses an sRGB profile.

All this to say that, with that PNG, it still doesn't seem like a GwenView
problem to me.

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