Bug 154297

Summary: Object transparency settings are lost when Impress document saved and reopened
Product: LibreOffice Reporter: David Clinton <dbclin>
Component: ImpressAssignee: Not Assigned <libreoffice-bugs>
Status: NEEDINFO ---    
Severity: normal CC: 79045_79045, serval2412
Priority: medium    
Version: 7.3.7.2 release   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
Crash report or crash signature: Regression By:
Attachments: test file

Description David Clinton 2023-03-21 01:23:46 UTC
Description:
When I create a shape (i.e., rectangle) in an Impress document and place it partially or fully covering an existing shape, and then set the new shape to use a solid color fill with transparency, it works as expected. However, when I save the document and reopen it later, the transparent shape settings will have changed to a gradient fill, a different color, and an axial transparency. 
I haven't figured out a way to prevent this behavior. 

Steps to Reproduce:
1. Create an shape object
2. Create a second shape object and place it over the first
3. Set the second object as fill=color, transparent=solid
4. Save and close the document
5. Reopen the document

Actual Results:
The original settings are lost (and the effect is pretty ugly)

Expected Results:
The original transparency settings should have persisted.


Reproducible: Always


User Profile Reset: No

Additional Info:
Version: 7.3.7.2 / LibreOffice Community
Build ID: 30(Build:2)
CPU threads: 4; OS: Linux 6.1; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
Ubuntu package version: 1:7.3.7-0ubuntu0.22.04.2
Calc: threaded
Comment 1 Roman Kuznetsov 2023-03-22 11:28:52 UTC
No repro in

Version: 7.6.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: b5c3a7502f7ff6ccf0f829c1f3a2ba50b8584c41
CPU threads: 16; OS: Windows 10.0 Build 19045; UI render: Skia/Raster; VCL: win
Locale: ru-RU (ru_RU); UI: ru-RU
Calc: CL threaded

could you please retest it in 7.4 or 7.5 version?
Comment 2 David Clinton 2023-03-22 15:38:38 UTC
I should add an important detail that I only just realised: this only happens when I save the file as a .PPTX, but saving to .ODG works fine.
Comment 3 Julien Nabet 2024-02-11 09:17:56 UTC
Created attachment 192504 [details]
test file

On pc Debian x86-64 with master sources updated today, I don't reproduce this.

I attached an example file.

Could you give a new try with LO 7.6.4 or brand new 24.2 version?