Bug 169150 - FILEOPEN PPTX: "Outline text as curve" shows weird artefacts
Summary: FILEOPEN PPTX: "Outline text as curve" shows weird artefacts
Status: NEW
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: bibisected, bisected, regression
Depends on:
Blocks:
 
Reported: 2025-10-30 11:47 UTC by Gerald Pfeifer
Modified: 2026-02-05 06:12 UTC (History)
5 users (show)

See Also:
Crash report or crash signature:

Attachments
Sample slide (PPTX) (933.78 KB, application/vnd.openxmlformats-officedocument.presentationml.presentation)
2025-10-30 11:47 UTC, Gerald Pfeifer 		Details
Visual comparision okay (top) - broken (bottom) (1.60 MB, image/png)
2025-10-30 11:54 UTC, Gerald Pfeifer 		Details
View All Add an attachment (proposed patch, testcase, etc.)

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Description Gerald Pfeifer 2025-10-30 11:47:20 UTC 
Created attachment 203610 [details]
Sample slide (PPTX)

This is a PPTX produced by Google Slides, *however* 

  Impress Version: 7.6.7.0.0+ (X86_64) / LibreOffice Community
  Build ID: 88f6a250076eb2a825084c84193b84f3b94ce112
  CPU threads: 12; OS: Linux 6.17; UI render: default; VCL: gtk3
  Locale: en-US (en_US.UTF-8); UI: en-US

to

  Impress Version: 25.8.3.0.0+ (X86_64) / LibreOffice Community
  Build ID: f8a323604ed37f916236d3a8b640732b93a2a568
  CPU threads: 12; OS: Linux 6.17; UI render: default; VCL: gtk3
  Locale: en-US (en_US.UTF-8); UI: en-US

and PowerPoint (online) all render it properly. Just

  Impress Version: 26.2.0.0.alpha0+ (X86_64) / LibreOffice Community
  Build ID: 480ef73deef62c458e5735cd496a1d74ef408ed8
  CPU threads: 12; OS: Linux 6.17; UI render: default; VCL: gtk3
  Locale: en-US (en_US.UTF-8); UI: en-US

shows weird artefacts.
Comment 1 Gerald Pfeifer 2025-10-30 11:54:20 UTC 
Created attachment 203611 [details]
Visual comparision okay (top) - broken (bottom)
Comment 2 m_a_riosv 2025-10-30 23:20:44 UTC 
Reproducible
Version: 26.2.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: 620(Build:0)
CPU threads: 16; OS: Windows 11 X86_64 (build 26200); UI render: Skia/Raster; VCL: win
Locale: es-ES (es_ES); UI: en-US
Calc: threaded
and first version with the issue
Version: 25.8.1.0.0+ (X86_64) / LibreOffice Community
Build ID: 00b2dd5faeb43ff50c84139a31892956a6a142d7
CPU threads: 16; OS: Windows 11 X86_64 (build 26200); UI render: Skia/Vulkan; VCL: win
Locale: es-ES (es_ES); UI: en-US
Calc: CL threaded


Latest version that works on the ones I have installed.
Version: 25.2.7.1 (X86_64) / LibreOffice Community
Build ID: 16e8e36d1610f10597ed778c3dcb0a5aa0ed5d6f
CPU threads: 16; OS: Windows 11 X86_64 (10.0 build 26200); UI render: Skia/Vulkan; VCL: win
Locale: es-ES (es_ES); UI: en-US
Calc: CL threaded
Comment 3 raal 2025-10-31 20:54:47 UTC 
This seems to have begun at the below commit in bibisect repository/OS linux-64-25.8.
Adding Cc: to Tomaž Vajngerl ; Could you possibly take a look at this one?
Thanks
 c03129fb3b17d59ce2e69c6525483a6e218dbd1a is the first bad commit
commit c03129fb3b17d59ce2e69c6525483a6e218dbd1a
Author: Jenkins Build User <tdf@maggie.tdf>
Date:   Thu May 8 13:22:55 2025 +0200

    source be12bc02844260d27afb49c39c747b7571dca9f1

184697: make libeot enabled by default on Linux and macOS | https://gerrit.libreoffice.org/c/core/+/184697
Comment 4 Buovjaga 2026-01-16 18:15:06 UTC 
Still repro on latest 26.8 on Windows and the last commit of Linux 26.8 bibisect repo. However, I don't repro in my own build on Linux even though it does not have any options related to libeot.