Created attachment 134416 [details]
image showing mangled images in slide pane
The slide pane on the left shows mangled, or blurry images for slides imported from powerpoint. They will be rendered correctly after moving the figure on the slide, or changing the slide master for the slide. But even after saving, closing Impress and reopening the .ods file, the slides are back to blurry. This only occurs for imported ppt slides, which I unfortunately have to use because I share slides with coworkers.
I tried essentially everything I could to resolve this, but every time the file is closed and reopened, those slides go back to being mangled in the slide pane. The view is also the same in the slide sorter. Those imported slides are again mangled in that view.
Things that DO NOT work:
1. resetting all of the slides slide master. (only resetting them individually one-by-one works to redraw the slide pane image)
2. Any fix that works in session is lost when the file is closed and reopened.
Is there any way to make Impress re-render the slides in the slide pane and slide sorter automatically?
Note: Opening the powerpoint file using Impress with the affected slides works; the slide sorter and slide pane images accurately reflect the slide contents. It is on saving the ppt as .odp that causes the problem.
And... if I save the .odp file with the mangled slide pane slides as .pptx using Impress, it re-renders the slides in the slide pane and they are OK.
Please attach an example PPT file (untouched by LibreOffice)
Set to NEEDINFO.
Change back to UNCONFIRMED after you have provided the document.
Created attachment 134469 [details]
powerpoint file containing a figure on each slide
I have attached the ppt file. Just open it in Libreoffice and save as .odp, and then reopen in Libreoffice. The slide panel and slide sorter should show the problem.
I have noticed that after 20-30 minutes of working with the slides (as one would normally do while editing a presentation) at some point the slide panel and slide sorter thumbnails are redrawn and look as they should. But closing and reopening the .odp file again renders those slides incorrectly.
Thank you for your interest and help with this issue.
Arch Linux 64-bit, KDE Plasma 5
Build ID: 98befbb26217b0bf3f35354e418a355280c52cfc
CPU threads: 8; OS: Linux 4.11; UI render: default; VCL: kde4;
Locale: fi-FI (fi_FI.UTF-8); Calc: group
Built on June 29th 2017
Not in 3.3, but already in 3.6
Arch Linux 64-bit
Arch Linux 64-bit
Version 18.104.22.168 (Build ID: e183d5b)
I have posted a possible workaround and solution in new bug report 115808
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