[Libreoffice-bugs] [Bug 120128] New: Impress - Partially non-visible or improperly displayed brackets and integral symbol (chimeric)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=120128

            Bug ID: 120128
           Summary: Impress - Partially non-visible or improperly
                    displayed brackets and integral symbol (chimeric)
           Product: LibreOffice
           Version: 6.1.0.3 release
          Hardware: x86-64 (AMD64)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: prcwnl at lykamspam.pl

Description:
In open document or in full screen display are 
badly displayed symbols:
- of large (size changable) brackets are not fully visible:
 * (top and bottom of [) 
 * whole left ( is desapearing 
 * top end bottom part of integrals symbol.
Only PDF-exported document showed the symbols properly.

Steps to Reproduce:
1.Try to open my example
2.If You don't see the problem try to edit the problematic equations: open and
close or add something
3.Live/close formula editor
4.Check if You see everything displayed as it should be.

Actual Results:
I'm working on the document and meeting sometimes the problems.
I can hope You will see what I do see (look at *.PNG for my screenshoots).
If you can't reproduce with the one page provided whole document can be sent.


Expected Results:
Should show properly symbols during edition and on full screen presentations


Reproducible: Sometimes


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:
Problem seems to be chimeric - editing equation formulas can change status in
the copies - which usually looks good on the beginning. 
If I delete "faulty" origin and replace it with the "good" copy it doesn't
help.
Sometimes it is improving during manipulation and sometimes not. 
I have no idea what determines the display being faulty but if happens have
tendency for being persistent

Some changes of the status observed during manipulation/edition of the formula
and other objects - e.g. disapered + sign and top of 'nabla' symbol met when I
placed red ellipses to focus area of the problem. Changing the size of the
ellipse had impact on that was displayed under it.

I uninstalled older version of LOffice before installing 6.1.0.3 an about week
or two ago and I was even resetting Profile because of previous problems. Its
almost new/clean installation. Win7x64

I checked Safe Mode: no problem in Safe Mode.
I have done resetting User Profile but problem is not solved in normal mode.
I have turned off OpenGL and restarted program and it seems to solve the
problem ... !
Does it mean I have to work with LOffice without OGL?

OpenGL Shows 4.5 version - if I understand it correctly.

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