Bug 132561

Summary:	Export of jpeg or png from Draw shows white/light-grey shadow
Product:	LibreOffice	Reporter:	Georg Doll <doll.georg>
Component:	Draw	Assignee:	Not Assigned <libreoffice-bugs>
Status:	VERIFIED FIXED
Severity:	normal	CC:	ilmari.lauhakangas, noelgrandin
Priority:	medium	Keywords:	bibisected, bisected, regression
Version:	6.3.0.0.alpha0+
Hardware:	x86-64 (AMD64)
OS:	All
Whiteboard:	target:7.1.0 target:7.0.2
Crash report or crash signature:		Regression By:
Bug Depends on:
Bug Blocks:	109323
Attachments:	exported jpeg with "light grey shadow / placeholder" here the example document here the export file from example document (jpg) here the export file from example document (gif)

Description Georg Doll 2020-04-30 17:25:53 UTC

Description:
I have a draw document. It contains some imported jpegs and text fields with shadow. All items are grouped to one object. When I export this object to jpeg or to png the resulting file shows a light grey placeholder instead of the shadow in the original object. Export as gif (for testing) shows the shadow as expected. I use the latest version 6.3.6.2  (x64) on Windows 10 Pro.

Steps to Reproduce:
1. Open new Draw Document
2. Import dark jpeg
3. Create a text field within this jpeg
4. Write some text, add shadow
5. Group both items
6. Export this group as selection and jpeg

Actual Results:
I see get an jpeg with light grey placeholders where a shadow is expected

Expected Results:
jpeg with proper dark shadow


Reproducible: Always


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:
I have already uninstalled LibreOffice, deleted all folders in programs and appdata, restarted the pc and made a blank new installation with no change in the result.

Comment 1 Georg Doll 2020-04-30 17:30:11 UTC

Created attachment 160143 [details]
exported jpeg with "light grey shadow / placeholder"

Comment 2 Buovjaga 2020-08-30 16:58:17 UTC

Please attach an example document.
Set to NEEDINFO.
Change back to UNCONFIRMED after you have provided the document.

Comment 3 Georg Doll 2020-09-01 16:19:48 UTC

Created attachment 164976 [details]
here the example document

Comment 4 Georg Doll 2020-09-01 16:21:25 UTC

Created attachment 164977 [details]
here the export file from example document (jpg)

Comment 5 Georg Doll 2020-09-01 16:22:07 UTC

Created attachment 164978 [details]
here the export file from example document (gif)

Comment 6 Buovjaga 2020-09-01 17:44:19 UTC

Bibisected with win32-6.3 to https://git.libreoffice.org/core/commit/61e8387fa8ab55a04b95839c7c385c163d6de1cd
tdf#128992 Compressing PNG files with alpha channel get a black background

Adding Cc: to Noel Grandin

Comment 7 Noel Grandin 2020-09-03 12:50:16 UTC

I think this has been fixed already, because I can't reproduce on current master

Comment 8 Commit Notification 2020-09-13 14:21:24 UTC

Noel Grandin committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/core/commit/b732e63a0a4b4dcf74995adf7b679d12ecc09db5

tdf#132561 fix png export from Draw

It will be available in 7.1.0.

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 9 Buovjaga 2020-09-13 17:03:04 UTC

Verified, thanks!

Arch Linux 64-bit
Version: 7.1.0.0.alpha0+
Build ID: 8ff2889f417fdf9a2a2b849189dfd4e693bb7a45
CPU threads: 8; OS: Linux 5.8; UI render: default; VCL: kf5
Locale: fi-FI (fi_FI.UTF-8); UI: en-US
Calc: threaded
Built on 13 September 2020

Comment 10 Commit Notification 2020-09-13 18:45:17 UTC

Noel Grandin committed a patch related to this issue.
It has been pushed to "libreoffice-7-0":

https://git.libreoffice.org/core/commit/b8766a1555fe644fb7dabdfa943e84f6704c9cee

tdf#132561 fix png export from Draw

It will be available in 7.0.2.

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.