Bug 141387 - FILEOPEN PPTX Shape has shadow but it shouldn’t
Summary: FILEOPEN PPTX Shape has shadow but it shouldn’t
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
Version:
(earliest affected)
7.1.0.3 release
Hardware: All All
: medium normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords: bibisected, bisected, filter:pptx
Depends on:
Blocks: PPTX-Shapes
  Show dependency treegraph
 
Reported: 2021-03-31 13:41 UTC by NISZ LibreOffice Team
Modified: 2023-06-05 17:58 UTC (History)
6 users (show)

See Also:
Crash report or crash signature:


Attachments
Example file from PowerPoint (662.97 KB, application/vnd.openxmlformats-officedocument.presentationml.presentation)
2021-03-31 13:41 UTC, NISZ LibreOffice Team
Details
Screenshot of the original document side by side in PowerPoint and Impress (329.21 KB, image/png)
2021-03-31 13:42 UTC, NISZ LibreOffice Team
Details
Screenshot from 3.5.0.3 (851.19 KB, image/png)
2021-04-01 21:42 UTC, Aron Budea
Details
The example file in 4.0 vs 4.1 (357.68 KB, image/png)
2021-04-12 13:08 UTC, NISZ LibreOffice Team
Details

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Description NISZ LibreOffice Team 2021-03-31 13:41:28 UTC
Created attachment 170857 [details]
Example file from PowerPoint

Attached user-made presentation has a circle shape on its master slide.
Impress opens it with shadowing set, but it has no shadow set in PP.

Steps to reproduce:
    1. Open attached document

Actual results:
Dark circle is visible on the right side of the slide.

Expected results:
The circle shape should be transparent.

LibreOffice details:
Version: 7.2.0.0.alpha0+ (x64) / LibreOffice Community
Build ID: 6b3f0866e9eddd5553857741862ca0d7d5b2ec2b
CPU threads: 4; OS: Windows 10.0 Build 18363; UI render: Skia/Raster; VCL: win
Locale: en-US (hu_HU); UI: en-US
Calc: CL

In 7.1 the problem became very visible, but the extra shadow effect was enabled before in 6.0, 5.0, 4.1 but not yet in 4.0.

Additional Information: 

Bibisected using bibisect-win64-7.1 to:
URL: https://cgit.freedesktop.org/libreoffice/core/commit/?id=b435c4fe82e77a82fde6464d6722281e5fc4f394 
author	A_GAN <ganzouri97@gmail.com>	Mon Jun 08 21:36:34 2020 +0200
committer	Tomaž Vajngerl <quikee@gmail.com>	Mon Jun 15 11:55:53 2020 +0200

Add process function to create the blur shadow

This part may be related to bug #136787  which was also bibisected to this commit.

Still setting bibisectrequest for the appearance of shadow in 4.1
Comment 1 NISZ LibreOffice Team 2021-03-31 13:42:04 UTC
Created attachment 170858 [details]
Screenshot of the original document side by side in PowerPoint and Impress
Comment 2 Xisco Faulí 2021-03-31 14:21:20 UTC
Reproduced in

Version: 7.2.0.0.alpha0+ / LibreOffice Community
Build ID: c088d26578d1be352efa49bd164a8217627648de
CPU threads: 4; OS: Linux 5.7; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
Calc: threaded
Comment 3 Gabor Kelemen (allotropia) 2021-04-01 08:51:53 UTC
bibisected the appearance of shadow setting with bibisect-41max to:

https://cgit.freedesktop.org/libreoffice/core/commit/?id=9f19422c546c4d8d556699df394622386afca5f3

author	Radek Doulik <rodo@novell.com>	2012-12-11 15:35:43 +0100

use effect references
Comment 4 Aron Budea 2021-04-01 21:42:10 UTC
Created attachment 170909 [details]
Screenshot from 3.5.0.3

(In reply to NISZ LibreOffice Team from comment #0)
> In 7.1 the problem became very visible, but the extra shadow effect was
> enabled before in 6.0, 5.0, 4.1 but not yet in 4.0.
...
> Still setting bibisectrequest for the appearance of shadow in 4.1
I'm not sure what kind of difference to look for in 4.0 vs. 4.1, I'm seeing the very faint circular shadow in both versions. Attaching a screenshot from 3.5.0.3, an even earlier version, which also has the shadow.
Comment 5 NISZ LibreOffice Team 2021-04-12 13:08:30 UTC
Created attachment 171123 [details]
The example file in 4.0 vs 4.1

In old versions the difference was only visible in the Area dialog - Shadow tab.
Left is 4.0 right is 4.1.
Comment 6 Xisco Faulí 2022-03-10 12:37:27 UTC
Open attachment 154750 [details] from bug 105695 is also affected by this issue
Comment 7 Regina Henschel 2023-06-05 17:58:32 UTC
The oval-shape has still shadow enabled, but there is no shadow rendered.

Tested with Version: 7.6.0.0.alpha1+ (X86_64) / LibreOffice Community
Build ID: 70fd835b4cf75e386ee115c705241a4059fb68a8
CPU threads: 8; OS: Windows 10.0 Build 19045; UI render: default; VCL: win
Locale: en-US (en_US); UI: en-US
Calc: CL threaded