[Libreoffice-bugs] [Bug 98876] FILEOPEN:image color is degraded when open pptx file

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98876

Gabor Kelemen (allotropia)  changed:

   What|Removed |Added

 CC||danielyunu...@gmail.com

--- Comment #9 from Gabor Kelemen (allotropia)  ---
*** Bug 120549 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 98876] FILEOPEN:image color is degraded when open pptx file

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98876

--- Comment #7 from QA Administrators  ---
Dear dinghao,

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
https://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:
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Thank you for helping us make LibreOffice even better for everyone!

Warm Regards,
QA Team

MassPing-UntouchedBug

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[Libreoffice-bugs] [Bug 98876] FILEOPEN:image color is degraded when open pptx file

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98876

--- Comment #6 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 98876] FILEOPEN:image color is degraded when open pptx file

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98876

Regina Henschel  changed:

   What|Removed |Added

   See Also||https://bz.apache.org/ooo/s
   ||how_bug.cgi?id=121242,
   ||https://bz.apache.org/ooo/s
   ||how_bug.cgi?id=98042

--- Comment #5 from Regina Henschel  ---
The problems with CMYK images are inherited from OpenOffice.

I'm no image or color space expert, but to my knowledge a color profile would
be needed to get a visual correct conversion. But such profile is individual to
a special monitor-printer combination. So a general solution can only be a
compromise. And you have to keep in mind, that it is not only a problem, how
the image looks on the screen, but you have to consider printing and pdf-export
as well.

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[Libreoffice-bugs] [Bug 98876] FILEOPEN:image color is degraded when open pptx file

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98876

--- Comment #4 from Buovjaga  ---
(In reply to Regina Henschel from comment #3)
> The reason is, that the image is
> 32-bit in CMYK color space.

Eek, you are right. I can see the CMYK in Krita: Image - Properties, but the
color depth is 8-bit.

Regina: what do you think we should do? I could not find a report about general
CMYK support. I did find this report about a specific case: bug 102928

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[Libreoffice-bugs] [Bug 98876] FILEOPEN:image color is degraded when open pptx file

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98876

Regina Henschel  changed:

   What|Removed |Added

 CC||rb.hensc...@t-online.de

--- Comment #3 from Regina Henschel  ---
It is the image itself, which generates problems. Unpack the pptx file and find
the image in ppt/media. Open the image in other application. My old
PaintShopPro 5 shows the image in same bright way as LibreOffice, whereas
Paint.net shows it same as PowerPoint 2010. The reason is, that the image is
32-bit in CMYK color space.

There a no filter involved, neither in PowerPoint nor in LibreOffice.

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[Libreoffice-bugs] [Bug 98876] FILEOPEN:image color is degraded when open pptx file

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98876

Xisco Faulí  changed:

   What|Removed |Added

 CC||xiscofa...@libreoffice.org
Version|5.1.1.3 release |Inherited From OOo

--- Comment #2 from Xisco Faulí  ---
Reproduced in

LibreOffice 3.3.0 
OOO330m19 (Build:6)
tag libreoffice-3.3.0.4

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[Libreoffice-bugs] [Bug 98876] FILEOPEN:image color is degraded when open pptx file

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=98876

Buovjaga  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 CC||todven...@suomi24.fi
Version|unspecified |5.1.1.3 release
 Ever confirmed|0   |1

--- Comment #1 from Buovjaga  ---
Confirmed.

It seems the PPTX has some kind of color filter applied. We have to find out
what it is. There might be a duplicate report, we have to find the keyword.

64-bit, KDE Plasma 5
Build ID: 5.1.1.3 Arch Linux build-2
CPU Threads: 8; OS Version: Linux 4.4; UI Render: default; 
Locale: fi-FI (fi_FI.UTF-8)

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