https://bugs.documentfoundation.org/show_bug.cgi?id=152930
Bug ID: 152930
Summary: Jumpy text and off-by-one-pixel errors in Calc with
150% high-DPI scaling
Product: LibreOffice
Version: 7.4.3.2 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Calc
Assignee: libreoffice-bugs@lists.freedesktop.org
Reporter: fred...@witherden.org
Description:
On Linux the drawing code in Calc appears to have issues with fractional
scaling that results in text/line art corruption. This includes cell lines
breaking up, and pieces of text being cut off/overdrawn (see screenshot where
issues are identified in red). On window blur the issues resolve themselves.
Steps to Reproduce:
1. On an X11 Linux system with a high-DPI display open up a new Calc document.
2. Populate some cells with content.
3. Use the arrow keys to move around cells, soon on-screen corruption will
begin to appear.
Actual Results:
Text and line art is corrupted after moving around a few cells. Can also be
triggered by typing into a cell.
Expected Results:
There should be no cropping/overdrawing/misalignment.
Reproducible: Always
User Profile Reset: No
Additional Info:
UI renderer: default; VCL: kf5 (cairo+xcb).
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