Bug 84189 - shape filled with colour gradient and transparency turns white during presentation
Summary: shape filled with colour gradient and transparency turns white during present...
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
(earliest affected)
Inherited From OOo
Hardware: Other All
: medium minor
Assignee: Not Assigned
Depends on:
Blocks: Shapes
  Show dependency treegraph
Reported: 2014-09-22 15:03 UTC by Oliver
Modified: 2019-12-03 15:47 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:

coloured rectangle with transparency; colour disappears during slideshow (16.07 KB, application/vnd.oasis.opendocument.presentation)
2014-09-23 07:03 UTC, Oliver

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Description Oliver 2014-09-22 15:03:52 UTC
There seem to be related bugs, but the description is not quite the same, so I create a new one : 
steps to reproduce : 
 * create a new impress file
 * insert a shape (e.g. rectangle)
 * change colour fill to gradient, chose any (e.g. first)
 * change transparency to any value (e.g. 50%)

go into presentation mode -> the colour gradient filled rectangle will appear white. 

when you change the transparency to 0, the colour is show as it should during the presentation mode. 
I have played with the anti-aliasing option (bug 42836), which does not change anything.
Comment 1 Cor Nouws 2014-09-22 15:31:15 UTC
Hi Brendel,

thanks for the report, but I cannot reproduce this. Maybe I did not follow the proper steps?

Do you have a test file please?
& Which OS do you have?

Comment 2 Oliver 2014-09-23 07:03:19 UTC
Created attachment 106709 [details]
coloured rectangle with transparency; colour disappears during slideshow
Comment 3 Oliver 2014-09-23 07:06:22 UTC
I have checked the steps and they are all there. The one not to forget is the transparency. 
I have added a file with a grandient-coloured rectangle.
It is really the combination of gradient and transparancey that creates the problem. Either of the alone works well. 
I'm working under windows seven, dual monitor setup.
The preview of the active slide shows the same problem, however when I change (during the slide-show) to the slide selector, the rectangle is shown correctly with its colour gradient.
Comment 4 Cor Nouws 2014-09-23 07:53:27 UTC
Thanks for the file & further explanation. 
(I was unsure about one step in your initial instruction, simply because I tend to a different work flow with tranparency & gradients..) 

I can confirm the issue (on Ubuntu).

Any idea if it worked OK in earlier versions?

Comment 5 Oliver 2014-09-23 08:52:32 UTC
No, I think I had come already across this problem a while ago (might be as much as a year), actually I search all the bugs I commented and found that I had already reported a similar problem here in april 2012 with version  : 


Comment 6 Oliver 2014-09-23 08:54:16 UTC
No, actually bug 35680 was only on gradients and not with transparency, but still I think that I remember that this is not a new bug.
Comment 7 Buovjaga 2014-11-27 09:26:03 UTC
Reproduced also. Setting back to NEW.

Win 7 64-bit Version:
Build ID: b144f0ac8695dd62a2053b4e88212d0b109c9a41
TinderBox: Win-x86@51-TDF, Branch:MASTER, Time: 2014-11-25_00:14:54
Comment 8 Buovjaga 2015-01-10 18:46:22 UTC
Already present in 3.3.0.

I hope no one objects, if I set this to minor per https://wiki.documentfoundation.org/images/0/06/Prioritizing_Bugs_Flowchart.jpg

Ubuntu 14.10 64-bit
LibreOffice 3.3.0 
OOO330m19 (Build:6)
tag libreoffice-
Comment 9 tommy27 2016-04-16 07:28:58 UTC Comment hidden (obsolete)
Comment 10 QA Administrators 2017-05-22 13:27:22 UTC Comment hidden (obsolete)
Comment 11 QA Administrators 2019-12-03 14:21:19 UTC Comment hidden (obsolete)
Comment 12 Oliver 2019-12-03 15:41:40 UTC
I have been testing with Impress
The bug seem to have been fixed. No problem anymore 
I set status to resolved