Created attachment 109534 [details]
small slideshow to demonstrate the behavior
Here is how to reproduce the behavior:
* Open the attached small odp file (Impress slideshow)
* Let it run in slideshow mode (press F5)
* The text on the first slide looks fine
* The animated text on the first slide also looks fine
* The text on the second slide looks ugly. I suspect some aliasing problem. This slide has an embedded movie on it.
This might be connected to my graphics card. Becaus it only happens if I have the setting "LibreOffice" - "View" - "Use hardware accelaration" turned ON (as is the default value). Once I turn this hardware accelaration off, then the text on the second slide also looks nice. But then the animated text on the first slide just "jumps" in, instead of the moving in from the top.
I use the LibreOffice Linux version "188.8.131.52". This is the standard version of LibreOffice on Ubuntu 14.04 (with long term support).
My graphics card is something like "VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller" on a Lenovo ThinkPad laptop.
Let me know if I should supply more information on the behavior or my PC.
Problem on slide #2 reproducible for me with
1/ my own build of Version: 184.108.40.206.alpha2+ Build ID: 6b30907a926890f835c094a5afdf4c0e6d8a1d19 under Ubuntu 14.10 x86-64.
2/ my own build of Version: 220.127.116.11.0+ Build ID: 547d613e0868726e602ccb00fca0e7518a6c4bee under Ubuntu 14.10 x86-64.
3/ Version: 18.104.22.168 Build ID: 3fd416d4c6db7d3204c17ce57a1d70f6e531ee21 (TDF build) for generic Linux 64 bits.
The problem is related to the presence of the movie. If I remove the movie then the text looks correct when "Use hardware acceleration" option is ON.
No problem for me with the animation on the slide #1, the text is correct whatever the value of the option "Use hardware acceleration" is.
Best regards. JBF
comment @ JBF: The animated text on slide 1 stays nice for me as well, even when I turn the hardware accelaration off. But the "flying in" itself gets very abrupt without the hardware accelaration. (Enhancing those animations is probably the job of the hardware accelaration...)
But all this information about slide 1 was only to show, that turning hardware acceleration off is not the solution. The main point of the bug report was and is the missing text aliasing on slides with movies. Good to hear that this main point IS reproducible.
(In reply to hardy from comment #2)
> comment @ JBF: The animated text on slide 1 stays nice for me as well, even
> when I turn the hardware accelaration off. But the "flying in" itself gets
> very abrupt without the hardware accelaration. (Enhancing those animations
> is probably the job of the hardware accelaration...)
I see this difference too, but I do not know if that is a bug or if the hardware acceleration is needed to render the animation smoothly.
Best regards. JBF
Yes, I fully agree. Slide one is NOT showing a bug, it's all about slide two.
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-- The LibreOffice QA Team This NEW Message was generated on: 2015-12-20
Text problem in slideshow mode not reproducible anymore in Version: 22.214.171.124.0+
Build ID: f1d55069f1997e40fa20a5251d450eefe9171268
CPU Threads: 4; OS Version: Linux 4.2; UI Render: default;
Locale : fr-FR (fr_FR.UTF-8)
Closing as WorksForMe. Feel free to reopen if you disagree.
Best regards. JBF