[Libreoffice-bugs] [Bug 113028] New: Missing pixels in slideshow

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=113028

            Bug ID: 113028
           Summary: Missing pixels in slideshow
           Product: LibreOffice
           Version: 5.4.2.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: pincopallino at orange.fr

Description:
When using hardware accelerator, the top row of pixels is not shown in
screenshow. After turning it off, the overline is sometimes (not always)
missing in screenshow. Examples in the attachments.
- overline_bug.odp: a single-slide presentation;
- overline_bug.pdf: the PDF created from the presentation (everything is fine);
- with_hardware_acceletator.jpg: screeshot of the slideshow obtained with
hardware accelerator turned on: look at the capitol letters, for example: the
top-line of pixels is missing; 
- without_hardware_acceletator.jpg: screeshot of the slideshow obtained with
hardware accelerator turned off; some of the overlines are missing, look at the
points around the central one (the big one), and compare them with the odp or
pdf file.

Steps to Reproduce:
1. Turn on hardware accelerator, run slideshow 
2. Next turn off hardware accelerator, run slideshow 


Actual Results:  
Pixel missing in slideshow 

Expected Results:
Correct showing in the slideshow 


Reproducible: Always

User Profile Reset: No

Additional Info:


User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:55.0) Gecko/20100101
Firefox/55.2.0 Waterfox/55.2.0

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