[Libreoffice-bugs] [Bug 47344] New: Animation also influences other objects on a slide

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=47344

             Bug #: 47344
           Summary: Animation also influences other objects on a slide
    Classification: Unclassified
           Product: LibreOffice
           Version: LibO 3.5.1 RC2
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: major
          Priority: medium
         Component: Presentation
        AssignedTo: libreoffice-bugs at lists.freedesktop.org
        ReportedBy: bellgardt at iftc.uni-hannover.de


Created attachment 58486
  --> https://bugs.freedesktop.org/attachment.cgi?id=58486
Impress document to demonstrate the bug

In the attached sample file there are two slides demonstrating rendering
problem during animations. These were already bugs in some versions of OOo, but
it still had worked correctly in LO 3.3.4. Since LO3.5.1rc2 has a general
rendering bug while using hardware acceleration, I switched this feature off
for this demo.

In slide 1, there are two transparent rectangles in front of a graphics object.
These are not animated at all. But when running the slide show, every time one
of the objects on the right side fades in, the two rectangles become opaque and
even black in parts.

In slide 2, there are several grouped objects with transparent lines to cancel
out some terms of the equations. When the slide show is run, some or all of
those lines disappear shortly while a new object on the right side of the slide
comes in. Instead those lines should always stay there.

Another problem is that the transparency of those lines is stronger (i.e. they
are less visible) during slide show than in the normal edit view. I couldn't
observe this in LO3.3.4, where slide show and edit view looked exactly the
same.

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