On Saturday, 30 April 2022 12:49:59 BST gevisz wrote: > пт, 29 апр. 2022 г. в 00:42, Frank Steinmetzger <war...@gmx.de>: > > Am Thu, Apr 28, 2022 at 09:20:08PM +0300 schrieb gevisz: > > > ср, 27 апр. 2022 г. в 13:55, Frank Steinmetzger <war...@gmx.de>: > > > > Am Sun, Apr 24, 2022 at 11:57:49PM +0300 schrieb gevisz: > > > > > After a recent update of my Gentoo system, I have noticed that some > > > > > symbols may be rendered incomplete in a text mode. > > > > > > > > What exactly do you mean with “text mode”? > > > > > > By "text mode" I mean that "it happened in Gvim, in a web-browser > > > and in a dialog-window for saving files" but not in videos or pictures. > > > > I see, you mean text that was actually rendered and not part of an image. > > Yes. Thank you for replying to this thread once more. > > Yesterday evening I finally managed to catch the problem > with incomplete rendering of cyrillic letters "in text mode" > and make a screenshot of it. This time, it happened in > html page that was open in google-chrome. > > A properly cropped screenshot of it is attached to this email. > > As it may happen that you and other readers of this thread > are not familiar with cyrillic letters to the extent needed to see > that they are rendered incomplete, I also add a screenshot > of the same text rendered complete. I made it this morning > with the same google-chrome. > > By the way, this means that the problem appears from time > to time and does not look to be easily reproducible. > > I even assume that it may be a hardware problem > as my computer is quite old, but unfortunately > can not check this assumption so far. > > > I noticed that those applications you mention are all GTK-based. > > Yes, I try not to mix GTK and Qt on this old computer > as much as possible to reduce the time needed > to update the system. So, most of the applications on > it use GTK. The only one that I know uses Qt is VLC > as it does not work properly with GTK. However, I use > it quite rarely. > > > Do you have any available that are built on Qt (or any other toolkit)? > > I am afraid that VLC is the only one. > Once tried Qutebrowser was removed a long time ago. > > > I can’t say that I have seen that youtube issue before. But I also have no > > idea what it could be or how to solve it. Could you create a new browser > > profile and check whether the issue is still present there? This could > > tell > > us whether it’s an issue with your existing profile. > > I will try to create a new user and run google-chrome from his profile > and report the result here. > > However, when the disk with my /home directory > was for a few months installed on another computer > also runned by Gentoo with similar configuration > I have not noticed such problems. > > Moreover, I am starting to suspect that > the problem with incomplete rendering letters > "in text mode" and the problem with symbols > in the youtube video player toolbar may be > separate ones as the latter is much more > reproducible and appears only in google-chrome > (have not noticed it in Firefox, for example, > though I quite rarely use Firefox to view youtube videos).
I can't offer much help on this, but I'll share a similar experience. I have seen something like this happening on Chromium, running on Enlightenment desktop a few years ago. I recall it was affected by the scale set on the desktop 1.2:1 or something like that. I can't recall if this was also occurring on Plasma. I think I saw the same missing character problem on the title bar of the browser window. This was on English text (UTF8 encoding). Firefox and other applications didn't have a problem. At that time I recall Chromium's rendering of the menu/toolbar and window border was fighting against the desktop. Some update on Chromium eventually fixed things. So I blamed it on the interplay between the desktop, browser and graphics card/driver (radeon).
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