[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #19 from QA Administrators  ---
Dear Ofir,

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
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There have been thousands of bug fixes and commits since anyone checked on this
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details of the problem have changed. We'd really appreciate your help in
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If you want to do more to help you can test to see if your issue is a
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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #18 from ilianus  ---
it seems that this bug depends on the shape
2 shapes are not affected by this bug
please take a look at the attatched jpeg file
i hope this help resolving this annoying bug

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #17 from ilianus  ---
Created attachment 174032
  --> https://bugs.documentfoundation.org/attachment.cgi?id=174032=edit
the bug depends on the shape

it seems that this bug depends on the shape
2 shapes are not affected by this bug
please take a look at the attatched jpeg file
i hope this help resolving this annoying bug

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #16 from stragu  ---
Reproducible with:

Version: 7.2.0.0.alpha1+ / LibreOffice Community
Build ID: 399a6472f666ae6c3e20b6f8367f9fd089c15605
CPU threads: 4; OS: Linux 5.4; UI render: default; VCL: gtk3
Locale: en-AU (en_AU.UTF-8); UI: en-US
TinderBox: Linux-rpm_deb-x86_64@86-TDF, Branch:master, Time:
2021-06-05_17:38:40
Calc: threaded

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

Telesto  changed:

   What|Removed |Added

 CC||wi...@mp.pl

--- Comment #15 from Telesto  ---
*** Bug 131453 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

Telesto  changed:

   What|Removed |Added

 CC||tele...@surfxs.nl

--- Comment #14 from Telesto  ---
*** Bug 134868 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #13 from Ofir  ---
Reproducible with LibreOffice 6.3.0.4 30(Build:4) on Ubuntu 19.04.

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #12 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 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #11 from Ofir  ---
Still reproducible with LO  6.1.0.0.alpha0+ on Ubuntu 16.04.

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #10 from Ofir  ---
Still reproducible with LO 6.0.0.0.alpha1 on Ubuntu 16.04.

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

Xisco Faulí  changed:

   What|Removed |Added

 CC||xiscofa...@libreoffice.org
 Attachment #115539|application/zip |application/vnd.openxmlform
  mime type||ats-officedocument.presenta
   ||tionml.presentation

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

Xisco Faulí  changed:

   What|Removed |Added

   Keywords||filter:pdf
 Blocks||103378


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=103378
[Bug 103378] [META] PDF export bugs and enhancements
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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #9 from Armin Le Grand (CIB)  ---
Checked example from comment 8, it contains a polygon usin ga fill pattern. The
fill pattern is defined using geometry (not pixels), thus re-inserting to the
office and breaking up will reveal the clipped fill pattern in geometry
quality. What the browsers seem to do with fill patterns is to prepare them as
bitmap tile, then render a tiled fill of it, probably for speed reasons. That
single tile bitmap shows AA-ed edges of the contained ellipses. To make that
more obvious you may change the gradient steps to 12 or so, export to svg again
and check in the browsers.
Also a good test is to use inkscape, it also shows no moire. I do not say that
often, but in this case the SVG export is not the reason, but more the
browser's renderers.
To really make sure I checked inside the SVG file. It contains SVG fill patters
which use path objects with simple fill color and no stroke, thus the moire
really comes from some AAing of the browsers, there is *no* stroke defined for
the pattern fill.
Still leads to that the SVG export creates no SVG gradients - as do ther
exports. That is since SVG gradients do not 'reach' the exporter. We would
need:
(1) SVG gradients in primitives (already tasks for that I think)
(2) SVG (and other) exports based on primitives, *not* on metafiles like now
(3) the exporter use the higher geometry definitions

Unfortunately a lot of work, bu tat least with the primitives the migration
path is available and the current 'fallback' works as well as possible.

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #8 from V Stuart Foote  ---
Created attachment 122698
  --> https://bugs.documentfoundation.org/attachment.cgi?id=122698=edit
attachement 122696 exported to SVG, viewing in a web browser will expose moiré

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #7 from V Stuart Foote  ---
Created attachment 122696
  --> https://bugs.documentfoundation.org/attachment.cgi?id=122696=edit
test Draw document Shape radial gradiant -- export to various formats

So, although not as glaring. SVG are also affected to some extent by the
gradient area fills and do exhibit moiré as well.

Attached a sample Draw document with a scroll shape and gradient fill, and
export to SVG that exhibits moire.

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

--- Comment #6 from V Stuart Foote  ---
*** Bug 97770 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 91252] Export of area fill gradients to paths for PDF (and EPS) are too coarse

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=91252

V Stuart Foote  changed:

   What|Removed |Added

 CC||armin.le.gr...@me.com,
   ||caol...@redhat.com
Summary|Radial gradient exported as |Export of area fill
   |path instead of gradient in |gradients to paths for PDF
   |PDF |(and EPS) are too coarse

--- Comment #5 from V Stuart Foote  ---
@Caolán, Armin, *

I know this is down in the guts of the export filters somewhere but is there a
better way to render the gradients so they'd be smoother and less prone to
moiré? 

Other vector formats EMF/WMF and SVG seem to be unaffected--just PDF and EPS so
isn't that ghostscript/cairo in some fashion...

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