[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=75715

Xisco Faulí  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |DUPLICATE

--- Comment #20 from Xisco Faulí  ---
Ok, I've been able to bibisect this in bibisect-42max ( although it looks much
better in master for me now)

Regression introduced by 45a8eaf9c55f2686f69118641d8a8992a86dfe31 which is the
same as in bug 80385.

Closing this bug as RESOLVED DUPLICATE.

@Sergio: Thank you very much for reporting this bug.

*** This bug has been marked as a duplicate of bug 80385 ***

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=75715

Cor Nouws  changed:

   What|Removed |Added

 CC||c...@nouenoff.nl
   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=86
   ||675

--- Comment #19 from Cor Nouws  ---
so what about bug 86675 ?

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=75715

--- Comment #18 from Aron Budea  ---
(In reply to Buovjaga from comment #17)
> No, it's not related to OpenGL rendering. The interpolation for 220% zoom is
> still the same as with 4.2 / attachment 95034 [details]

Ok, then it's different in Windows and in Linux.
Possibly the original issue in Linux, and something introduced by OpenGL
rendering in Windows.

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=75715

--- Comment #17 from Buovjaga  ---
No, it's not related to OpenGL rendering. The interpolation for 220% zoom is
still the same as with 4.2 / attachment 95034

75% is interpolated smoothly, but when you go further in, the edges look
glitchy.

Arch Linux 64-bit, KDE Plasma 5
Version: 5.3.0.0.alpha0+
Build ID: ff2a399b61f34f7920e594e8cbb6c19045b24956
CPU Threads: 8; OS Version: Linux 4.7; UI Render: default; 
Locale: fi-FI (fi_FI.UTF-8); Calc: group
Built on October 7th 2016

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=75715

Aron Budea  changed:

   What|Removed |Added

 Status|RESOLVED|NEW
 CC||ba...@caesar.elte.hu
  Component|Impress |graphics stack
   Hardware|Other   |All
 Blocks||94691
 Resolution|WORKSFORME  |---
 OS|Linux (All) |All

--- Comment #16 from Aron Budea  ---
My observations with LO 5.2.2.2 / Windows 7:

-with OpenGL enabled, attached file looks like "Snapshot of open file with 4.2
version" when zoomed in,
-with OpenGL disabled, attached file looks like "Snapshot of open file with 4.1
version" when zoomed in.

I'm assuming it's not fixed, and the bug is now related to OpenGL rendering.


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=94691
[Bug 94691] [META] OpenGL bugs
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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=75715

Xisco Faulí  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||xiscofa...@libreoffice.org
 Resolution|--- |WORKSFORME

--- Comment #15 from Xisco Faulí  ---
I can no longer reproduce this issue in

Version: 5.3.0.0.alpha0+
Build ID: ae3ec79354f7b4967e736c6a4cd7c08fc52e2b7d
CPU Threads: 4; OS Version: Linux 4.2; UI Render: default; 
Locale: ca-ES (ca_ES.UTF-8); Calc: group

thus, closing this as RESOLVED WORKSFORME

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=75715

Robinson Tryon (qubit)  changed:

   What|Removed |Added

   Keywords||possibleRegression
 Whiteboard|BSA PossibleRegression  |BSA

--- Comment #14 from Robinson Tryon (qubit)  ---
Migrating Whiteboard tags to Keywords: (possibleRegression)

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

--- Comment #12 from franco.b...@iongeo.com ---
How is this resolved? Just tripped over this bug, 2 slides showing differences
in processed images look fine in edit mode then the subtle difference
disappears in slide show mode making the slides look the same.

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

Beluga todven...@suomi24.fi changed:

   What|Removed |Added

 Status|RESOLVED|UNCONFIRMED
 Resolution|WORKSFORME  |---
 Ever confirmed|1   |0

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

Beluga todven...@suomi24.fi changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 Ever confirmed|0   |1

--- Comment #13 from Beluga todven...@suomi24.fi ---
(In reply to franco.broi from comment #12)
 How is this resolved? Just tripped over this bug, 2 slides showing
 differences in processed images look fine in edit mode then the subtle
 difference disappears in slide show mode making the slides look the same.

Apologies, this is Linux-only and still reproducible. Setting to NEW.

Ubuntu 14.10 64-bit Version: 4.4.0.0.alpha2+
Build ID: a55adb16ece70360c88342ca008d5a9d5b9d5b52
TinderBox: Linux-rpm_deb-x86_64@46-TDF-dbg, Branch:master, Time:
2014-11-18_22:04:40

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

Beluga todven...@suomi24.fi changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||todven...@suomi24.fi
 Resolution|--- |WORKSFORME

--- Comment #11 from Beluga todven...@suomi24.fi ---
Looks like it's back to the 4.1 style, so WFM.

Win 7 64-bit Version: 4.4.0.0.alpha1+
Build ID: b7d8a58ff2698ffc6e22943f64aa97c5ea253bd9
TinderBox: Win-x86@42, Branch:master, Time: 2014-11-05_00:40:38

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

Andras Timar tima...@gmail.com changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 CC||ke...@collabora.com,
   ||tima...@gmail.com
 Ever confirmed|0   |1

--- Comment #10 from Andras Timar tima...@gmail.com ---
Scaling of bitmaps has changed indeed in 4.2. CC-ing Kendy.

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

--- Comment #8 from sergio.calleg...@gmail.com ---
Created attachment 95493
  -- https://bugs.freedesktop.org/attachment.cgi?id=95493action=edit
Issue at 75% zoom

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

--- Comment #9 from sergio.calleg...@gmail.com ---
I see the issue at 85% zoom with LibO 4.2 (see attachment - sorry I wrote 75 in
the attachment title instead of 85). And this with a low res screen. With the
laptop with a full-HD screen I see a difference even at 65%.

I find it disturbing, because it inconsciously forces me to test every slide in
presentation mode to be sure that at least in this mode things will look right
and this is a waste of time. And I find it disturbing because things look bad
when I work on them with other people, making me appear as the one who is
chosing a second class tool (make a guess about what they suggest to move to).

But this does not really matter. Even if the misrendering was only evident at a
1000% zoom, since LibO 4.1 was not showing any misrendering at any zoom level
(which is quite evident) may I ask again why you think that the 4.2 behavior is
better and should be kept?

There can be a good reason, but otherwise please say that this is a minor issue
(which already is debatable as many think that reproducible regressions are
never minor), or low priority, but not that it is not a bug.

Also note that I may be a little more tenacious than average user here. I'm
sure that you are in perfect good faith, but consider that someone else would
have already been turned down, mentally classifying the action of having opened
a bug report with a reproducible test case as a waste of time.

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

--- Comment #6 from sergio.calleg...@gmail.com ---
I cannot understand if you believe that now it is better than it was in 4.1 and
why.

To me it is definitely worsened. The image looks grainy at any scale (the 180%
in the screenshot was just to get only the picture in the screenshot and I
initially noticed it at the fit page zooming level). This can be checked by
opening the test file. As such it is distracting and transmitting to the user
the impression that he/she is doing a mediocre job even if this is not the
case.  Unless there is a huge performance penalty in doing things as they were
done in 4.1, I really cannot see why this should not be a regression.

Furthermore it is weird that if you erase and re-import the picture then it
looks better.

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

--- Comment #7 from Jean-Baptiste Faure jbf.fa...@sud-ouest.org ---
(In reply to comment #6)
 I cannot understand if you believe that now it is better than it was in 4.1
 and why.

Because I do not see any difference when the zoom level ≤ 100% and in slideshow
mode.

Best regards. JBF

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

sergio.calleg...@gmail.com changed:

   What|Removed |Added

Summary|EDITING: REGRESSION: LibO   |EDITING: REGRESSION: LibO
   |4.2 displays bitmap at  |4.2 displays low resolution
   |lower resolution|bitmap with poor upscaling
   ||wrt 4.1

--- Comment #4 from sergio.calleg...@gmail.com ---
Yes, right...
However, the upscaling used in 4.1 is much more satisfactory.
I have changed the bug title accordingly.

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[Libreoffice-bugs] [Bug 75715] EDITING: REGRESSION: LibO 4.2 displays low resolution bitmap with poor upscaling wrt 4.1

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=75715

Jean-Baptiste Faure jbf.fa...@sud-ouest.org changed:

   What|Removed |Added

 CC||jbf.fa...@sud-ouest.org

--- Comment #5 from Jean-Baptiste Faure jbf.fa...@sud-ouest.org ---
For me it's not a bug. What is important is that the image looks smooth during
the slideshow and at the scale of the slideshow. If it does not look perfect at
200% is not a problem because you don't use the picture at this scale.

Best regards. JBF

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