[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Julien Nabet  changed:

   What|Removed |Added

 CC||noelgran...@gmail.com

--- Comment #19 from Julien Nabet  ---
Noel: thought you might be interested in this one since it concerns alpha
channel management.

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #18 from ivana.bos...@gmail.com ---
Huh, update: 

While the original bug report concerned copying from three browsers,
FF/Chrome/IE, I can now reproduce it only with copying from Firefox. 

Copying from Chrome and Edge do paste the transparent image. 

Version: 7.6.2.1 (X86_64) / LibreOffice Community
Build ID: 56f7684011345957bbf33a7ee678afaf4d2ba333
CPU threads: 4; OS: Windows 10.0 Build 19045; UI render: Skia/Raster; VCL: win
Locale: hr-HR (hr_HR); UI: en-US
Calc: threaded

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #17 from ivana.bos...@gmail.com ---
As the original reporter, I confirm that in my LO Impress on Windows the bug is
still present, in version 7.6.2.1, with the same steps to reproduce as in the
first post. 

Version: 7.6.2.1 (X86_64) / LibreOffice Community
Build ID: 56f7684011345957bbf33a7ee678afaf4d2ba333
CPU threads: 4; OS: Windows 10.0 Build 19045; UI render: Skia/Raster; VCL: win
Locale: hr-HR (hr_HR); UI: en-US
Calc: threaded

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Stéphane Guillou (stragu)  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=13
   ||9077

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #16 from Paris Oplopoios  ---
Could not reproduce in Writer, Calc, Impress or Draw in latest master
(LibreOfficeDev 24.2.0.0.alpha0 4ceac7d67d3f3e09dc3f4a03b330d779e6a71e4c).
Probably because we switched to using libpng some time during summer of 2022.
Would be cool if someone else could confirm this is no longer a bug.

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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Timur  changed:

   What|Removed |Added

   Priority|medium  |high
 CC||gti...@gmail.com

--- Comment #15 from Timur  ---
There's a different example here, given in bug 134031, embarrassing one. 
LO TDF log PNG from TDF page www.documentfoundation.org copied from Firefox
with "Copy Image" won't paste to Calc, wrong in Writer, not same in Draw 
I set this to High.

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Buovjaga  changed:

   What|Removed |Added

 CC||jerameesikor...@gmail.com

--- Comment #14 from Buovjaga  ---
*** Bug 133729 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #13 from Roman Kuznetsov <79045_79...@mail.ru> ---
Still repro for Impress in

Version: 7.2.0.0.alpha0+ (x86) / LibreOffice Community
Build ID: 3faaad6d16881dbbd70e34dcb0445a3373f8ddad
CPU threads: 4; OS: Windows 6.1 Service Pack 1 Build 7601; UI render:
Skia/Raster; VCL: win
Locale: ru-RU (ru_RU); UI: en-US
Calc: CL

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #12 from noga...@gmail.com ---
Writer is good, but Reproduce Draw/Impress/Calc.

- Writer: Good (background is transparent)
- Draw/Impress: Bad (background is black)
- Calc: from Chrome 84.0.4147.135 / Bad (background is black)
from Firefox 79.0 / Can't paste Image... Why?

Steps to reproduce:
1. Open the following URL from web browser(Firefox or Chrome).
https://1.bp.blogspot.com/-3nzUHu2AP3c/Xx-0ffvXGJI/AAABaWU/WjGBzNs82ZUIqCT-EmLxtopmazY3Z6ecACNcBGAsYHQ/s1600/mask_karamaru_megane_earphone.png
2. Copy the image.
3. Paste Writer/Calc/Impress/Draw

Version: 7.0.0.3 (x64)
Build ID: 8061b3e9204bef6b321a21033174034a5e2ea88e
CPU threads: 2; OS:Windows 10.0 Build 19041; UI render: Skia/Raster; VCL: win
Locale: ja-JP (ja_JP); UI: ja-JP
Calc: threaded

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Timur  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=13
   ||1214

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Xisco Faulí  changed:

   What|Removed |Added

 CC||perie_...@hotmail.com

--- Comment #11 from Xisco Faulí  ---
*** Bug 119705 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Julien Nabet  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=11
   ||9705

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Julien Nabet  changed:

   What|Removed |Added

 CC||qui...@gmail.com

--- Comment #10 from Julien Nabet  ---
On Win 10 with LO 6.1.5.2 x64 + GL render + Calc CL, here are my results:

with https://en.wikipedia.org/wiki/File:PNG_transparency_demonstration_1.png
and
https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Christ_Church_Cathedral_Dublin_-_Plan.svg/640px-Christ_Church_Cathedral_Dublin_-_Plan.svg.png
- Impress + Draw: reproduced
- Writer: not reproduced
- Calc: with Paste special bitmap, reproduced

Idem with master sources updated yesterday on Win10.

Remark: if on Writer, I use paste special/bitmap, I could reproduce this too.

Tomaz: having noticed your work on VCL rendering, thought you might be
interested in this one.

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #9 from boicot...@yahoo.it ---
I suffer of this bug too
Win 10/64, liboo  6.2.0.3 (x64)
Build ID: 98c6a8a1c6c7b144ce3cc729e34964b47ce25d62
Pasting any image from wikipedia (from firefox or chrome) to impress, for
exhample this:
https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Christ_Church_Cathedral_Dublin_-_Plan.svg/640px-Christ_Church_Cathedral_Dublin_-_Plan.svg.png

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #8 from ivana.bos...@gmail.com ---
The bug is still present, unfortunately. :( 

Version: 6.0.1.1 (x64)
Build ID: 60bfb1526849283ce2491346ed2aa51c465abfe6
CPU threads: 4; OS: Windows 10.0; UI render: default; 
Locale: hr-HR (hr_HR); Calc: CL

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #7 from QA Administrators  ---
** Please read this message in its entirety before responding **

To make sure we're focusing on the bugs that affect our users today,
LibreOffice QA is asking bug reporters and confirmers to retest open, confirmed
bugs which have not been touched for over a year.

There have been thousands of bug fixes and commits since anyone checked on this
bug report. During that time, it's possible that the bug has been fixed, or the
details of the problem have changed. We'd really appreciate your help in
getting confirmation that the bug is still present.

If you have time, please do the following:

Test to see if the bug is still present with the latest version of LibreOffice
from https://www.libreoffice.org/download/

If the bug is present, please leave a comment that includes the information
from Help - About LibreOffice.

If the bug is NOT present, please set the bug's Status field to
RESOLVED-WORKSFORME and leave a comment that includes the information from Help
- About LibreOffice.

Please DO NOT

Update the version field
Reply via email (please reply directly on the bug tracker)
Set the bug's Status field to RESOLVED - FIXED (this status has a particular
meaning that is not 
appropriate in this case)


If you want to do more to help you can test to see if your issue is a
REGRESSION. To do so:
1. Download and install oldest version of LibreOffice (usually 3.3 unless your
bug pertains to a feature added after 3.3) from
http://downloadarchive.documentfoundation.org/libreoffice/old/

2. Test your bug
3. Leave a comment with your results.
4a. If the bug was present with 3.3 - set version to 'inherited from OOo';
4b. If the bug was not present in 3.3 - add 'regression' to keyword


Feel free to come ask questions or to say hello in our QA chat:
https://kiwiirc.com/nextclient/irc.freenode.net/#libreoffice-qa

Thank you for helping us make LibreOffice even better for everyone!

Warm Regards,
QA Team

MassPing-UntouchedBug

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #6 from Hans Deragon  ---
I reproduce the problem easily under Windows 10 with LibreOffice writer 5.3.3.2
by copying directly from Chrome the following image
https://git-scm.com/images/logos/downloads/Git-Logo-2Color.png into a plain new
document.

This problem only occurs under Windows.  On Linux Ubuntu 16.04 LTS, LibreOffice
writer 5.3.3.2, the problem does not occur.

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Telesto  changed:

   What|Removed |Added

 Blocks||103152

--- Comment #5 from Telesto  ---
Confirming with:
Version: 5.4.0.0.alpha0+
Build ID: 33f5bc54aaa7fe7aa9335726e30f9c349155e04d
CPU Threads: 4; OS Version: Windows 6.2; UI Render: default; 
TinderBox: Win-x86@62-merge-TDF, Branch:MASTER, Time: 2016-12-01_23:21:05
Locale: nl-NL (nl_NL); Calc: CL


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=103152
[Bug 103152] [META] Writer image bugs and enhancements
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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Buovjaga  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 CC||todven...@suomi24.fi
Version|5.1.0.3 release |3.5.0 release
 Ever confirmed|0   |1

--- Comment #4 from Buovjaga  ---
Repro.
3.5: paste special - bitmap.

Win 7 Pro 64-bit, Version: 5.1.0.3 (x64)
Build ID: 5e3e00a007d9b3b6efb6797a8b8e57b51ab1f737
CPU Threads: 4; OS Version: Windows 6.1; UI Render: default; 
Locale: fi-FI (fi_FI)

LibreOffice 3.5.0rc3 
Build ID: 7e68ba2-a744ebf-1f241b7-c506db1-7d53735

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #3 from Tomislav  ---
Tried on Win 8.1, with LO 5.0.1.2. Bug is present.

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

--- Comment #2 from chtfn  ---
Not able to reproduce either on KXStudio 14.04 with:

LibreOffice Version: 5.0.5.2
Build ID: 1:5.0.5~rc2-0ubuntu1~trusty1
Locale: en-GB (en_GB.UTF-8)

Image copied from Firefox 44.0.2

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

Julien Nabet  changed:

   What|Removed |Added

 CC||serval2...@yahoo.fr

--- Comment #1 from Julien Nabet  ---
On pc Debian x86-64 with LO Debian package 5.0.5.2 or with master sources
updated yesterday, I don't reproduce this.
Windows only bug?

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[Libreoffice-bugs] [Bug 98275] PNG image with alpha channel pasted from clipboard has black background

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https://bugs.documentfoundation.org/show_bug.cgi?id=98275

ivana.bos...@gmail.com changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=33
   ||114

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