https://bugs.freedesktop.org/show_bug.cgi?id=81360
Priority: medium
Bug ID: 81360
Assignee: [email protected]
Summary: PNGs with native transparency gradient and Impress
transparency property set fail on presentation screen
(both full and console)
Severity: normal
Classification: Unclassified
OS: Windows (All)
Reporter: [email protected]
Hardware: x86-64 (AMD64)
Status: UNCONFIRMED
Version: 4.2.6.1 rc
Component: Presentation
Product: LibreOffice
Created attachment 102789
--> https://bugs.freedesktop.org/attachment.cgi?id=102789&action=edit
Sample slides to see the bug
- Take a PNG image (like that attached) with a native transparency gradient
- insert it in an Impress slide
- set the Impress image transparency property to more than 0% (i.e. 50%)
- you will see the correct image effect:
-- on editing mode views;
-- on presentation console next slide views;
-- on pdf exports;
- you will see the wrong image effect (the native transparency gradient loses
itself and image border is well defined, see attached screenshots):
-- on the full screen presentation mode (bug);
-- on the current/main slide frame on presenter console (bug).
Attached to this bug are:
- sample odp presentation;
- pdf export;
- sample png image;
- bug evidencing screenshots.
Quite similar bugs are:
- bug 42836;
- bug 33591;
- bug 35681;
- bug 36766 (Meta Bug Report to collect all Reports concerning gradient and
transparency).
Many of these 3.3.x bugs so that I suppose this may be either a regression or
an ancient unsolved bug...
What do you think about?
Have a nice evening,
Carlo
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