Bug 161826 - FILEOPEN PPTX: text invisible due to Glow effect not applied
Summary: FILEOPEN PPTX: text invisible due to Glow effect not applied
Status: VERIFIED FIXED
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
Version:
(earliest affected)
25.2.0.0 alpha0+
Hardware: All All
: medium normal
Assignee: Balázs Varga (allotropia)
URL:
Whiteboard: target:25.2.0
Keywords:
Depends on:
Blocks:
 
Reported: 2024-06-28 11:21 UTC by Gerald Pfeifer
Modified: 2024-09-29 17:58 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:


Attachments
Sample slide (PPTX) (358.83 KB, application/vnd.ms-powerpoint)
2024-06-28 11:21 UTC, Gerald Pfeifer
Details
Visual comparison: LibreOffice (left) - PowerPoint (right) (25.53 KB, image/png)
2024-06-28 11:21 UTC, Gerald Pfeifer
Details
Screenshot with the text display fixed (22.30 KB, image/png)
2024-08-30 11:06 UTC, Gerald Pfeifer
Details

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Description Gerald Pfeifer 2024-06-28 11:21:14 UTC
Created attachment 195035 [details]
Sample slide (PPTX)

How to repeat:
 1. open sample document
 2. observe purely black element, no text
 3. compare with screenshot from PowerPoint

Version: 25.2.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: 97833217ebacd77d01b8e06ee1eb05cc06c17afc
CPU threads: 12; OS: Linux 6.9; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US

Might this be (partially) be related to bug #135320?
Comment 1 Gerald Pfeifer 2024-06-28 11:21:56 UTC
Created attachment 195036 [details]
Visual comparison: LibreOffice (left) - PowerPoint (right)
Comment 2 Regina Henschel 2024-06-28 21:13:01 UTC
The blur shadow is a "inner shadow". Those are not supported by LibreOffice. The according request is in bug 146237.

LibreOffice is not able to render a glow affect on texts of a shape. The according request is in bug 144061 and bug 49246.
Comment 3 Commit Notification 2024-08-29 18:00:07 UTC
Balazs Varga committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/core/commit/3eac847927a0cdfa40c3fea38c473ed2ad7faecc

tdf#161826 - Add uniform Glow effect for texts in shapes

It will be available in 25.2.0.

The patch should be included in the daily builds available at
https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
https://wiki.documentfoundation.org/Testing_Daily_Builds

Affected users are encouraged to test the fix and report feedback.
Comment 4 Gerald Pfeifer 2024-08-30 08:24:29 UTC
Happy to confirm the text now looks as in PowerPoint with last night's
build:

  Version: 25.2.0.0.alpha0+ (X86_64) / LibreOffice Community
  Build ID: 044980edc41544dd5973d5aa57f134d4bfe6d0e7
  CPU threads: 12; OS: Linux 6.10; UI render: default; VCL: gtk3
  Locale: en-US (en_US.UTF-8); UI: en-US
Comment 5 Gerald Pfeifer 2024-08-30 11:06:12 UTC
Created attachment 196115 [details]
Screenshot with the text display fixed

And here is a screenshot showing the text and the shadow effect.

Nicely done, thanks!
Comment 6 Commit Notification 2024-09-03 20:53:46 UTC
Balazs Varga committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/core/commit/5bb5a7ea60c4496d7ad21ad81a0f37f6f5fd2288

Related: tdf#161826 - Add uniform Glow effect for texts in shapes

It will be available in 25.2.0.

The patch should be included in the daily builds available at
https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
https://wiki.documentfoundation.org/Testing_Daily_Builds

Affected users are encouraged to test the fix and report feedback.
Comment 7 Commit Notification 2024-09-29 17:58:21 UTC
Balazs Varga committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/core/commit/b566dab48c1448dbc5442b30396e9f6c482f2408

Related: tdf#161826 - A bit more accurate Glow effect for texts in shapes

It will be available in 25.2.0.

The patch should be included in the daily builds available at
https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
https://wiki.documentfoundation.org/Testing_Daily_Builds

Affected users are encouraged to test the fix and report feedback.