Bug 168018 - FILEOPEN PPTX: graphics shows with weird effects in presentation mode
Summary: FILEOPEN PPTX: graphics shows with weird effects in presentation mode
Status: UNCONFIRMED
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
Version:
(earliest affected)
26.2.0.0 alpha0+ master
Hardware: All All
: medium normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords: bibisectRequest, regression
Depends on:
Blocks:
 
Reported: 2025-08-19 23:11 UTC by Gerald Pfeifer
Modified: 2025-08-19 23:52 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:

Attachments
Visual comparison before/proper (top) - after/broken (bottom) (1.42 MB, image/png)
2025-08-19 23:13 UTC, Gerald Pfeifer 		Details
Top in Edit mode, bottom in presentation mode (320.38 KB, image/png)
2025-08-19 23:52 UTC, Regina Henschel 		Details
View All Add an attachment (proposed patch, testcase, etc.)

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Description Gerald Pfeifer 2025-08-19 23:11:14 UTC 
This is a regression that happened with the last daily snapshot:

   Version: 26.2.0.0.alpha0+ (X86_64) / LibreOffice Community
   Build ID: fd48da7236f26d9d8d16759546a5c860f91b82de
   CPU threads: 12; OS: Linux 6.15; UI render: default; VCL: gtk3

1. Open attachment #160098 [details] from bug #132539
2. Enter presentation mode.
3. Observe how the two circles render totally different than with
   earlier versions of Impress or in Edit mode.


This looks a bit like bug #167893. It is a different issue, though. The
build above processes bug #167893 properly. Earlier builds that get it
wrong, get this new issue right.

(I would not be surprised for the fix for bug #167893, bug #167879,
and bug #167876 to have triggered this.)
Comment 1 Gerald Pfeifer 2025-08-19 23:13:54 UTC 
Created attachment 202386 [details]
Visual comparison before/proper (top) - after/broken (bottom)
Comment 2 Regina Henschel 2025-08-19 23:52:47 UTC 
Created attachment 202387 [details]
Top in Edit mode, bottom in presentation mode

It looks much better for me. Tested in Version: 26.2.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: a0eb4dcd04a6d8f4a6df474f74edceb8936a3aa6
CPU threads: 32; OS: Windows 11 X86_64 (build 26100); UI render: Skia/Vulkan; VCL: win
Locale: de-DE (de_DE); UI: en-US
Calc: threaded