<html> <head> <base href="https://bugs.documentfoundation.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - scrolling document canvas down & up can cause a line of text to "tear" with loss of registration, it clears when the line moves out of view far enough or view passes to a new page" href="https://bugs.documentfoundation.org/show_bug.cgi?id=139296#c40">Comment # 40</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - scrolling document canvas down & up can cause a line of text to "tear" with loss of registration, it clears when the line moves out of view far enough or view passes to a new page" href="https://bugs.documentfoundation.org/show_bug.cgi?id=139296">bug 139296</a> from <a class="email" href="mailto:telesto@surfxs.nl" title="Telesto <telesto@surfxs.nl>"> Telesto</a> <pre>(In reply to spokanemagneto from <a href="show_bug.cgi?id=139296#c39">comment #39</a>) It's likely in 4.3 too, have seen it happen on macOS. However never got a hold on it.. but looks like GDI isn't affected.. so needs testing on Linux/macOS. I speculate it can not be seen in 4.4.7.2 with OpenGL enabled because some weird timer madness.. Timer logic changed with 4.4.7.2 - 5.1 branch. Causing the issue to be more prominent.. but lingering around earlier on. It appears mouse clicks are triggering a (full?) layout refresh or something like that at some point.. With different offset of few pixels or even rounding?? Where the backend holding a different image of the page (shifting) compared to the 'paint buffer'. And clicking around triggers a paint buffer invalidation/ repaint) Where the difference shows up and incrementally resolved as screen refreshes in parts.. Leaving sometimes artifacts. But well that's my invented story of someone who has actually no knowledge the matter.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>