On 2020-08-03 23:03, Tim via users wrote:
On Mon, 2020-08-03 at 21:58 +1000, Eyal Lebedinsky wrote:
I recently started using a 4k TV as a monitor. The video is natively
4k from the on-board Intel i7.
I noticed that I often get difficult to read text. This is even worse
when I use reverse video (black bg).
Looking closer I can see that the image changes as I shift the window
one pixel sideways. Seems that
I get a different image when the left margin is odd and when it is
even.
You may want to play with aliasing controls for font rendering.
I need to look into this (fonts) but hoped the problem is elsewhere.
Perhaps your monitor doesn't have the traditional RGB (red green blue)
pixel grouping? It might be in BGR sequence (your photo looks like that from the defocused blurs on the green text).
I still do not see why placing an windows at an odd x is different from an even position.
Moving the image changes between these two displays with each pixel shift.
BTW this is what the pixels look like:
http://members.iinet.net.au/~eyaleb/attachments/20200801/dsc08774-part1.jpg
Looks like BGR left-to-right? Should that matter?
Still, using 'xmag' shows a nice text without any artifacts, so I wonder if this is an issue
with the actual monitor (TV) - assuming xmag grabs pixels from the screen not knowing how
they were painted (e.g. a font renderer).
--
Eyal Lebedinsky (fedora@xxxxxxxxxxxxxx)
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