[Libreoffice-bugs] [Bug 130481] New: Fonts are not rendered properly if using Impress full-screen with tiling window manager (dwm)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=130481

            Bug ID: 130481
           Summary: Fonts are not rendered properly if using Impress
                    full-screen with tiling window manager (dwm)
           Product: LibreOffice
           Version: 6.4.0.3 release
          Hardware: All
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: br at rexos.org

Description:
When I start LibreOffice and the create a new presentation with my DWM window
manager (full-screen), the fonts are getting weird (not shown) when I switch
between slides. This is only happening when the application is started without
any other window on the screen, so that it is full-screen opened. Can be
reproduced

Steps to Reproduce:
1. Run DWM as window manager
2. Open up libreoffice with dmenu, no other window is open on that workspace
3. Create new presentation
4. Change title of first slide to Test 2
5. Add a second slide with Ctrl-M
6. Switch back to the first slide
7. The Test 2 text only displays "Te t"

Actual Results:
Missing font renderings of single letters. This happens often with larger slide
decks, all the time. Whenever I resize the window, a refresh happens and the
rendering is fine again.

Expected Results:
Proper font text rendering


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 6.3.4.2.0+
Build ID: 6.3.4-2
CPU threads: 4; OS: Linux 5.4; UI render: default; VCL: gtk3; 
Locale: de-AT (en_US.UTF-8); UI-Language: en-US
Calc: threaded

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