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List:       kde-devel
Subject:    Technical question on font rendering (gamma correction)
From:       Richard Lane <richrocksmyworld () googlemail ! com>
Date:       2021-05-27 14:53:26
Message-ID: B0954DA7-9414-40C3-BB45-3CA96EE55C3A () getmailspring ! com
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Hi,

Since Qt 5.9 .otf fonts have been rendered with alpha-blending and gamma corrected in \
Qt apps / environments. The only other rendering engine to do this is Skia (used in \
Chrome browser etc.). I have a hardware calibrator device for my monitor.
My question is two-part:
1) What real monitor gamma value does KDE assume to do the gamma correction? 2.2?
2) I have noticed that a slightly darker gamma on my monitor is preferable, as the \
desktop looks slightly washed out at the default. Is it better to: a) calibrate my \
monitor to 2.4 instead of 2.2 b) calibrate my monitor to 2.2, and use the KDE \
software slider in system settings to reduce gamma from 1.0 to 0.9? thanks
Richard


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<div>Hi,</div><br><div>Since Qt 5.9 .otf fonts have been rendered with alpha-blending \
and gamma corrected in Qt apps / environments. The only other rendering engine to do \
this is Skia (used in Chrome browser etc.).</div><br><div>I have a hardware \
calibrator device for my monitor.</div><br><div>My question is two-part<span \
data-emoji-typing="true">:</span></div><br><div>1) What real monitor gamma value does \
KDE assume to do the gamma correction? 2.2?</div><br><div>2) I have noticed that a \
slightly darker gamma on my monitor is preferable, as the desktop looks slightly \
washed out at the default. Is it better to:</div><br><div>a) calibrate my monitor to \
2.4 instead of 2.2</div><br><div>b) calibrate my monitor to 2.2, and use the KDE \
software slider in system settings to reduce gamma from 1.0 to \
0.9?</div><br><div>thanks</div><br><div>Richard</div>



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