[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=81592

Yousuf Philips (jay)  changed:

   What|Removed |Added

 Blocks||11


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=11
[Bug 11] [META] EPS (Encapsulated PostScript) bugs and enhancements
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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #51 from Gerry gerry.trep...@googlemail.com ---
@Björgvin @Joel: I sincerely apologize if my previous comment sounded rude.
This was not my intention. You know that I am myself active in bug reporting
and testing, and on the documentfoundation wiki. I am not a programmer and I
have already donated money for enhancements. I really do not want to upset
volunteers.

Why did I write my previous comment? Because these EPS regressions have the
negative capability to drive users away from LibreOffice, because it makes
completed work unusable. I makes users angry and they feel unsafe using
LibreOffice (because something is not working anymore which did work for
years). This is particularly the case with LO users that are not technically
very capable.

For example, we have several documents with EPS graphics which different people
collaborate on. No one is using LO 4.1.x anymore (but myself due to these
regressions), so there was enormous confusion whether it is necessary to rework
the graphics in the documents (which is a lot of work). I am also anxious to
lose quite some of my work if these regressions remain.

I hope you now understand the intention of my previous comment. Sorry again.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Joel Madero jmadero@gmail.com changed:

   What|Removed |Added

 CC||jmadero@gmail.com

--- Comment #52 from Joel Madero jmadero@gmail.com ---
@Gerry - perfectly understood but you being active (I thought you were the same
Gerry by the way:) ) should understand that there are literally thousands of
open bugs and it's hard to say this one is soo bad compared to the other
ones. That being said - the patch hasn't resolved things? Why is there a
target . . .  if the bug still exists with the patches.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

V Stuart Foote vstuart.fo...@utsa.edu changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #53 from V Stuart Foote vstuart.fo...@utsa.edu ---
@Joel, *,
(In reply to comment #52)
 ... That being said - the patch hasn't resolved
 things? Why is there a target . . .  if the bug still exists with the
 patches.
Right you are...

Patch for the primary BMP bit-depth issue was pushed down to 4.2,
https://gerrit.libreoffice.org/gitweb?p=core.git;a=commit;h=bdefc56961919499cc6fda5a39c791ac6c67ca5f

It will be picked up during the final builds for 4.2.7 

Setting resolved fixed.  Bug 81497 remains open for the other issue of PS
printing of EPS.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #45 from Gerry gerry.trep...@googlemail.com ---
I must admit that I am getting really nervous about this bug and the EPS
regressions since LO 4.2.x. I use LibreOffice everyday in a professional
environment, so you can count me to the conservative users. The fresh line
has too many problems, so I need to use the still line. However, these have
severe EPS regressions.

The 4.2.7 freeze is on the 29th of September and there is no fix for this bug
81592 and not for bug 81497. Also, Jörn showed in comment 42 and comment 43
that this fix is incomplete and does not fix the problem.

Conclusion: I *cannot do my work* on any fairly new LibreOffice version (4.2.x
and 4.3.x line). I am bound to 4.1.x, which is EOL. Many have switched to 4.2.x
or 4.3.x, but we cannot exchange documents containing EPS graphics. IMHO this
is a disaster for LibreOffice!

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Commit Notification libreoffice-comm...@lists.freedesktop.org changed:

   What|Removed |Added

 Whiteboard|notBibisectable |notBibisectable
   |target:4.4.0 target:4.3.3   |target:4.4.0 target:4.3.3
   ||target:4.2.7

--- Comment #46 from Commit Notification 
libreoffice-comm...@lists.freedesktop.org ---
Björgvin Ragnarsson committed a patch related to this issue.
It has been pushed to libreoffice-4-2:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=bdefc56961919499cc6fda5a39c791ac6c67ca5fh=libreoffice-4-2

fdo#81592 Use 24-bit color depth, not 256 colors when converting an EPS-file.


It will be available in LibreOffice 4.2.7.

The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
http://wiki.documentfoundation.org/Testing_Daily_Builds
Affected users are encouraged to test the fix and report feedback.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #47 from V Stuart Foote vstuart.fo...@utsa.edu ---
OK, so while Björgvin's commit has gotten us back to a proper bit depth BMP
raster rendering of the EPS, mis-handling of vector WMF/EMF with pstoedit
leaves 4.2 and 4.3 branches with a rather low resolution 300dpi preview.

Pending any useful response from Wolfgang Glunz on pstoedit, it should probably
be removed (commented out) as it is providing no desirable vector rendering
functions when present on the system path, leaving only ghostscript or
Imagemagick convert as functional helpers and leaving us with bitmap only
previews.

Until we can identify where we have clobbered the PS vector printing using the
raw EPS (bug 81497) what would be the effect of upping the ghostscript to BMP
conversion resolution? Rather than current 300dpi, would a 450dpi or even
600dpi conversion be too resource intensive? Could we insert that for the 4.2.7
final bugfix build?

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #48 from Joel Madero jmadero@gmail.com ---
@Gerry - we prefer if people do instead of using words that honestly give us
NOTHING (literally absolute nothing) to help move us towards a solution.

So the options:
1. Fix it yourself;
2. Pay for a fix;
3. Find a friend/family/etc... who knows code to fix it;
4. Wait for a developer to fix it (volunteers).

Adding all that extra language doesn't encourage volunteers to help, doesn't
show that you're being part of the community, nor add a thing to the bug report
so it just clogs it.

Remember Libre is not limited to free - we have a community who tries to
support each other. If this is such a blocker for you - please sponsor a
developer to fix it (or of course fix it yourself)...or again, wait patiently
for a fix.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #49 from Björgvin Ragnarsson nifgr...@gmail.com ---
I would like to add:

5. Help out in the hunt for the code that caused the remaining regression:
https://wiki.documentfoundation.org/QA/HowToBibisect

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #50 from V Stuart Foote vstuart.fo...@utsa.edu ---
(In reply to comment #49)
 I would like to add:
 
 5. Help out in the hunt for the code that caused the remaining regression:
 https://wiki.documentfoundation.org/QA/HowToBibisect

See bug 81497 c#15

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #42 from Jörn Schwarz ice...@web.de ---
Created attachment 106686
  -- https://bugs.freedesktop.org/attachment.cgi?id=106686action=edit
printout via LO 4.1.6.2 and newer versions

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #43 from Jörn Schwarz ice...@web.de ---
Today I tested the daily build LO 4.3.3.0.0-2014-09-22.
But it still doesn't print correctly (see printout via LO 4.1.6.2 and newer
versions)

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #44 from V Stuart Foote vstuart.fo...@utsa.edu ---
@Jörn, *,
(In reply to comment #43)
 Today I tested the daily build LO 4.3.3.0.0-2014-09-22.
 But it still doesn't print correctly (see printout via LO 4.1.6.2 and newer
 versions)

At this point, a Ghostscript only based conversion to bitmap (as BMP) is
rendering EPS at 300dpi.  That is as good as it gets for 4.2 and 4.3 and
master. Not clear in your script sample how far zoom'd into the image you were.

Bug 81497 is open for issues of EPS vector not being retained and used for
printing to PS (or for Export to PDF), at present the pstoedit rendering of EPS
as EMF/WMF is very rough with too few vertices being generated and poor use of
arcs, cords and splines. Use of EPS vector images for PS printing was correct
through the 4.1 builds, but has gone missing.  To get functional output, rename
or uninstall pstoedit.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #41 from Gerry gerry.trep...@googlemail.com ---
@Björgvin: Would it be possible to release the patch also for LO 4.2.7? This is
the last version of the 4.2.x-line and its freeze date is in a few days.
Thanks!

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Commit Notification libreoffice-comm...@lists.freedesktop.org changed:

   What|Removed |Added

 Whiteboard|notBibisectable |notBibisectable
   |target:4.4.0|target:4.4.0 target:4.3.3

--- Comment #40 from Commit Notification 
libreoffice-comm...@lists.freedesktop.org ---
Björgvin Ragnarsson committed a patch related to this issue.
It has been pushed to libreoffice-4-3:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=7493c458780cce40f1b564b719c4445b8920f259h=libreoffice-4-3

fdo#81592 Use 24-bit color depth, not 256 colors when converting an EPS-file.


It will be available in LibreOffice 4.3.3.

The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
http://wiki.documentfoundation.org/Testing_Daily_Builds
Affected users are encouraged to test the fix and report feedback.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #34 from Jörn Schwarz ice...@web.de ---
In comment # 33 Björgvin Ragnarsson wrote that he added an EPS-test-file to a
Writer document and that the printout via 4.4.0.0.alpha0+ gave him a 'similar
quality on a screenshot'.

But a screenshot is always a bitmap – not a vector graphic. Therefore the
difference in printouts via GhostScript or Adobe Acrobat cannot be seen.

In Test-document-with-graphics-from-comment-6-7-inLO41.pdf (see above) you
can see the difference: In the first case the bitmap (incorporated in the
eps-file)is printed. In the second case the eps-file itself is printed, and
that's the way it was since OOo 1.0 up to LO 4.1.6.2.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #35 from V Stuart Foote vstuart.fo...@utsa.edu ---
Created attachment 106328
  -- https://bugs.freedesktop.org/attachment.cgi?id=106328action=edit
Zip archive with sample ODT and three PDF renderings

On Windows 7 sp1, 64-bit with
Version: 4.4.0.0.alpha0+
Build ID: 9195fd3819197c14f6fc018483075c4be5bf85fd
TinderBox: Win-x86@39, Branch:master, Time: 2014-09-09_05:00:16

GPL Ghostscript 9.14 (2014-03-26)

pstoedit: version 3.62 / DLL interface 108 (built: Apr 28 2013 - release build
- MS VC++ 1600 - 32-bit) : Copyright (C) 1993 - 2013 Wolfgang Glunz

ImageMagick 6.8.9-0 Q16 x86 2014-04-06
Features: DPC OpenMP
Delegates: bzlib cairo freetype jbig jng jp2 jpeg lcms lqr pangocairo png ps
rsvg tiff webp xml zlib

Noticeable kerning issues with both print filter and export filter. Also
pstoedit/GS continues to do a poor job with density of converting curves to
segments--both with vector preview, but also on Export to PDF.

Something is still not correct.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #36 from V Stuart Foote vstuart.fo...@utsa.edu ---
(In reply to comment #35)
 
 pstoedit: version 3.62 / DLL interface 108 (built: Apr 28 2013 - release
 build - MS VC++ 1600 - 32-bit) : Copyright (C) 1993 - 2013 Wolfgang Glunz
 ...
 Something is still not correct.

Went back and tried with earlier builds of pstoedit--3.61, 3.60, 3.50--all
having similar issues in LibreOffice (ieps.cxx) with rendering curves
(postscript--circle arc or bezier curveto?) with too few or mispositioned
vertices/segments.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #37 from V Stuart Foote vstuart.fo...@utsa.edu ---
Created attachment 106336
  -- https://bugs.freedesktop.org/attachment.cgi?id=106336action=edit
Zip archive with same three PDF renderings but from LO 4.1.5.3

This zip file contains PDF renderings of the sample .ODT done with LibreOffice
4.1.5.3 build.

Note the Export to PDF uses a raster rendering of the EPS. 

But at that point of development the LibreOffice print filters are using the
EPS (or is it an EMF/WMF based vector image), either case all vectors are
properly positioned and rendered in the result.

And that at this point LibreOffice had full vector resolution when printing out
to PS based PDF printer--Adobe Distiller 9, or GS based CutePDF. 

Able to zoom in with full fidelity or send for publication.  No longer the
case.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #38 from Björgvin Ragnarsson nifgr...@gmail.com ---
@Jörn: I looked at a screenshot yes, the screenshot provided by the original
bug reported to distinguish between a buggy and a working version and found
that the build looked like the working version 4.1.4.

Also, Test-document-with-graphics-from-comment-6-7-inLO41.pdf does not show
the difference between a vector and a bitmap. both images are bitmaps while the
lower one has resolution decent enough for printing.


@V Stuart Foote: I think the regression you describe should get its own bug
report and tackled there, since the problem as described by the original bug
reporter has already been fixed.



--

I went ahead and submitted the fix for inclusion in the 4.2 and 4.3 branches.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #39 from V Stuart Foote vstuart.fo...@utsa.edu ---
@Björgvin, *,
(In reply to comment #38)
 
 @V Stuart Foote: I think the regression you describe should get its own bug
 report and tackled there, since the problem as described by the original bug
 reporter has already been fixed.

Reopened bug 81497 and set new for loss of EPS vector detail when
printing/exporting to PDF.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

V Stuart Foote vstuart.fo...@utsa.edu changed:

   What|Removed |Added

   See Also||https://bugs.freedesktop.or
   ||g/show_bug.cgi?id=81497

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #33 from Björgvin Ragnarsson nifgr...@gmail.com ---
@Gerry: 256 color rendering with 'gv' has been for ages in the codebase but it
was only used when the program 'convert' wasn't available. Apparently that is a
very uncommon setup so bugs weren't reported on that.


@Jörn Schwarz: I just tested adding EPS-test-file.eps to a Writer document in
build

Version: 4.4.0.0.alpha0+
Build ID: e2723d00b77dc1044e2ba599ba93517af34e1ea5
TinderBox: Linux-rpm_deb-x86_64@46-TDF, Branch:master, Time:
2014-09-09_23:17:41

and it gave me similar quality as is seen on the right in this screenshot
https://bugs.freedesktop.org/attachment.cgi?id=103176 . Is that not the case
for you?

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #32 from Jörn Schwarz ice...@web.de ---
In comment 22, dated 2014-09-05, Bjørgvin Ragnarsson wrote that the patch
should be included in the daily builds in the next 24-48 hours.
I tried LO 4.4.0.0 – 2014-09-09_23.33.59 and had to realize, that the bug is
not fixed. The quality is as bad as it is since LO 4.2.x. 
Wheras LO 4.1.6.2 delivers best quality.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #31 from Gerry gerry.trep...@googlemail.com ---
@Björgvin: Thanks for the fix in commment 22. I have not yet tried it out, but
I was surprised that the change comprises only bmp256 - bmp16m. Very nice. 

For my better understanding: Was this bug actually a 'real regression'? Or in
other words, how could this bmp256 originally slip into the LibreOffice
4.2-line (as the bug was not present in LO 4.1.x)?

Is the Unsupported output format emf on Ubuntu a problem regarding the fix of
this bug or will it just work after your fix like it was in the 4.1.-line?
Thanks a lot!

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #28 from Björgvin Ragnarsson nifgr...@gmail.com ---
@Michael Stahl, Gerry:

The message Unsupported output format emf is there in pstoedit because it is
not compiled with libemf support in Ubuntu/Debian -- it doesn't work.

@V Stuart Foote:
I wouldn't say it's that obscure, the most likely suspects would have been the
only two commits on the 4.2 branch mentioning EPS in the message:
http://cgit.freedesktop.org/libreoffice/core/log/?h=libreoffice-4-2-0qt=grepq=+EPS

Improving import as a vector with an external tool (perhaps finding an
alternative to pstoedit) should be discussed in its own bug report. In my
opinion that could very well provide shorter term improvements over the long
term 67464.

@Jean-Baptiste Faure:

Yes, I was planning on backporting the fixes, perhaps after a bit more
feedback. Is the duplicate issue 81497 fixed as well with this change?

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #29 from V Stuart Foote vstuart.fo...@utsa.edu ---
(In reply to comment #28)

... Is the duplicate issue 81497 fixed as well with this change?

Believe that has been, and remains a different but related issue. For some
reason between 4.1 and 4.2 builds. As reported in bug 81497--we appear to be
losing track of the EPS--and are no longer passing it back during PS printing.
Made worse when we use a low resolution preview included with the EPS.

Looking at attachment from OP for issue 81497 (attachment 103043), the PDF
printed to PS with 4.1.6.2 has very crisp vector rendering of the EPS. But the
PDF printed to PS from 4.2.5.2 has poor rendering and looks to be using either
the included preview image, or the gs (or convert) BMP preview image at 300dpi.

This continues through 4.3 and is still present in master with the 24-bit vs.
256 bit gs rendering in the
http://cgit.freedesktop.org/libreoffice/core/commit/?id=247f87bc08e2f71e44d8f7f9af791e9288714985
so not yet correct.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #30 from V Stuart Foote vstuart.fo...@utsa.edu ---
Created attachment 105870
  -- https://bugs.freedesktop.org/attachment.cgi?id=105870action=edit
eps pdf svg of S154_HURD Fraction Anthem

A test file to work with to generate your own sample documents, exports prints

EPS w/~100dpi preview (from bug 81497)
PDF (ghostscript ps2pdf -EPSCrop conversion)
SVG (pdf2svg conversion -- D. Barton's)

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #25 from Jean-Baptiste Faure jbfa...@libreoffice.org ---
Hi Björgvin Ragnarsson,

Thank you very for this fix. Works well on the master (Build ID:
114f3b83b9f850abf57f86836bbc579c4d41aaca) build at home under Ubuntu 14.04
x86-64.
Do you plan to backport the fix to 4.3 and 4.2 branches ?

Best regards. JBF

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #26 from Jay Philips philip...@hotmail.com ---
Does this fix also fix the poor rendering of images mentioned my bug 82870,
which also is a 4.2 regression.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #27 from Jean-Baptiste Faure jbfa...@libreoffice.org ---
(In reply to comment #26)
 Does this fix also fix the poor rendering of images mentioned my bug 82870,
 which also is a 4.2 regression.

No. Unless I am mistaken, this bug is about color while your bug 82870 is about
aliasing.

Best regards. JBF

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Commit Notification libreoffice-comm...@lists.freedesktop.org changed:

   What|Removed |Added

 Whiteboard|notBibisectable |notBibisectable
   ||target:4.4.0

--- Comment #22 from Commit Notification 
libreoffice-comm...@lists.freedesktop.org ---
Björgvin Ragnarsson committed a patch related to this issue.
It has been pushed to master:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=247f87bc08e2f71e44d8f7f9af791e9288714985

fdo#81592 Use 24-bit color depth, not 256 colors when converting an EPS-file.



The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
http://wiki.documentfoundation.org/Testing_Daily_Builds
Affected users are encouraged to test the fix and report feedback.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #23 from V Stuart Foote vstuart.fo...@utsa.edu ---
@Björgvin, *,

Cool! That was obscure, so the work on bug 41407 to speed up EPS processing by
switching from ImageMagick's convert to ghostscript based rendering of a PNG
preview--done just at release for the 4.2.0 branch--caused the long running
regression.

So now with a 24-bit PNG preview, fidelity of rendered EPS should return. So
that's great.

But what about retaining the EPS structure as vector? We keep the EPS around
for printing to a PS printer, but we do everything else with bitmap previews. 
Is there any chance of working internally in a vector format?  EPS - SVG
perhaps as an import filter? And further refine handling of SVG.

Already have ghostscript, poppler and cairo in the mix--doesn't that get us
most of the way to a built-in filter handling of EPS as in bug 67464

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #24 from V Stuart Foote vstuart.fo...@utsa.edu ---
But what about retaining the EPS structure as vector? We keep the EPS around 
for printing to a PS printer, but we do everything else with bitmap previews.

Oops, adjust that... but other than the pstoedit conversion to emf/wmf, which
has become unreliable if remaining in vector, we do everything else with bitmap
previews.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #20 from Gerry gerry.trep...@googlemail.com ---
Will this EPS rendering regression be fixed for LO 4.2.7 ?

I am asking because I am stuck between the versions: On my 200+ pages document,
LO 4.2.x is significantly more stable and performant than 4.1.x and has a few
new features I need, but it fails outputting EPS graphics. Hence, I am stuck
with 4.1.x. with aforementioned drawbacks.

Thanks in advance!

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #21 from Jörn Schwarz ice...@web.de ---
Gerry asked in comment 20 whether the rendering regression will be fixed for LO
4.2.7.

I can't use the 4.2.x line because of bug 74333 which is already fixed – but
only for LO 4.3.x.
Therefore from my point of view it would be better to implement the fixing in
LO 4.3.x.

Thanks in advance!

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Björn Michaelsen bjoern.michael...@canonical.com changed:

   What|Removed |Added

   Priority|high|highest

--- Comment #19 from Björn Michaelsen bjoern.michael...@canonical.com ---
(This is an automated message.)

Setting priority to highest as this is a MAB. This is part of an effort to make
the importance of MAB reflected in priority too.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #18 from Gerry gerry.trep...@googlemail.com ---
@Joel: Thanks for your comment. However, your advice in comment 17 is highly
problematic for some reasons:
- EPS is the only vector graphics format which is supported on export from many
applications (e.g. statistical software). Inserting them in Libreffice was
always possible without problems.
-All documents which were created with embedded EPS files are useless in LO 4.2
and 4.3. I mean, no one can ask the users to rip off dozens of EPS graphics in
nicely formatted theses/books/articles, somehow export them from LO, convert
them in another piece of software to another format, insert them again in LO
and do all the formatting again.
- Pixel graphics formats like jpg or png are just a quite bad workaround. EPS
as vector format was just perfect for the same document to self-publish(using
LO) and to a publisher (who usually requests EPS for graphics exchange). Hence,
there is currently no real alternative to EPS for many user scenarios (at least
in academia).

Honestly, I don't know what to do, if the last version of the LO 4.2-line
(upcoming 4.2.7) doesn't fix this bug. Currently, I am locked to the EOL
LibreOffice 4.1.x-line, but I cannot always keep an old version of LibreOffice
on the system to properly access my documents...

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

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

   What|Removed |Added

 Blocks||65675

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #16 from Mary Anne m.westerma...@arcor.de ---
This is a bad regression.
With LO 4.2.x and 4.3.x it is not possible to create publications with high
quality grafics anymore.
And it worked without problems for many years.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

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--- Comment #17 from Joel Madero jmadero@gmail.com ---
As far as I know this only affects EPS files, so if you convert these using any
number of software to jpeg or png then you should still be able to get high
quality/professional work.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #14 from Jörn Schwarz ice...@web.de ---
Hello,

please have a look at bug 81497, dated 2014-08-18.
It also occures in 4.3.0 under Windows XP and 7.
And the eps-files are generated with Calc and Draw.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Jay Philips philip...@hotmail.com changed:

   What|Removed |Added

 CC||d...@stpetersphila.org

--- Comment #15 from Jay Philips philip...@hotmail.com ---
*** Bug 81497 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Joel Madero jmadero@gmail.com changed:

   What|Removed |Added

 Whiteboard||notBibisectable
   Priority|medium  |high
 CC||jmadero@gmail.com

--- Comment #13 from Joel Madero jmadero@gmail.com ---
Ubuntu 14.04 x64 - Confirmed regression

Unfortunately not bibisectable :( I do indeed see a regression though. Don't
think it has anything to do with pstoedit as the only thing changing during
bibisect is libreoffice and you can see the regression.

Setting priority:
Normal - can prevent high quality/professional work
High - regression

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Jay Philips philip...@hotmail.com changed:

   What|Removed |Added

 CC||philip...@hotmail.com

--- Comment #12 from Jay Philips philip...@hotmail.com ---
Another EPS bad rendering issue when exporting to PDF can be found in bug
81497.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #10 from Gerry gerry.trep...@googlemail.com ---
Created attachment 103322
  -- https://bugs.freedesktop.org/attachment.cgi?id=103322action=edit
Test-document-with-graphics-from-comment-6-7-inLO41.odt

For completeness, the attachment illustrates that the EPS with preview leads
to quite bad results in LO 4.1, while EPS without preview shows good quality.
see the example .odt and .pdf with the two test files from comment 6 and
comment 7. 

Hence, that the quality of EPS without preview graphics heavily regresses in
LO 4.2/4.3 is a real problem.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #11 from Gerry gerry.trep...@googlemail.com ---
Created attachment 103323
  -- https://bugs.freedesktop.org/attachment.cgi?id=103323action=edit
Test-document-with-graphics-from-comment-6-7-inLO41.pdf

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Caolán McNamara caol...@redhat.com changed:

   What|Removed |Added

 CC|caol...@redhat.com  |

--- Comment #4 from Caolán McNamara caol...@redhat.com ---
If you call pstoedit with one set of command line options you solve one subset
of problems, if you use it with another you solve a different subset. So we
never render eps, we either use the preview in the image, or call pstoedit to
generate one in emf format. Generating eps previews for eps that don't provide
one was always a hack (and I wish I never implemented it). The generator in
this case is strata, I suggest using the preview on feature to get it to
generate a tiff preview in the eps to see if strata previews are better than
pstoedits.

With the above attachment the thing to check here is to use pstoedit manually
to generate the emf

pstoedit -usebbfrominput -f emf:-OO -drawbb input.eps output.emf

and see if the rendering of that emf is different in different versions of
LibreOffice, i.e. is there a regression in emf rendering.

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #5 from Gerry gerry.trep...@googlemail.com ---
Thanks a lot Caolan for looking into the bug.

(1) Yes, the statistical package Stata is the generator. With the option
preview on, I got much worse results on LO 4.1.x (you could see pixels and
images not sharp) than using EPS without preview. That's why I deactivated it
for the graphics in all my documents using LO 4.0.x and 4.1.x. (My different
documents contain about 200 eps graphics altogether, hence it is difficult to
change that for existing documents).
- Please find attached two sample eps files, one with preview and one without
preview. I just loaded them in 4.1.4 and the one with preview looked terrible.

(2) BTW, my tests with LO 4.2.5 and 4.1.4 are on exactly the same system (=the
pstoedit version was the same)

(3) Running the pstoedit command, I get following error message:

$pstoedit -usebbfrominput -f emf:-OO -drawbb EPS-test-file.eps
EPS-test-file.emf
unknown option -drawbb
pstoedit: version 3.60 / DLL interface 108 (built: Jul 13 2012 - release build
- g++ 4.7.1 - 64-bit) : Copyright (C) 1993 - 2011 Wolfgang Glunz
Unsupported output format emf

What is the next step? If I shall do/test something, please tell. Thanks

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #6 from Gerry gerry.trep...@googlemail.com ---
Created attachment 103284
  -- https://bugs.freedesktop.org/attachment.cgi?id=103284action=edit
Another-EPS-test-file-without-preview.eps

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #7 from Gerry gerry.trep...@googlemail.com ---
Created attachment 103285
  -- https://bugs.freedesktop.org/attachment.cgi?id=103285action=edit
Another-EPS-test-file-with-preview.eps

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Michael Stahl mst...@redhat.com changed:

   What|Removed |Added

  Component|Writer  |graphics stack

--- Comment #8 from Michael Stahl mst...@redhat.com ---
reading comment #5 i wonder what this means: Unsupported output format emf

does installing a newer version of pdftoedit improve anything?
Fedora 20 has 2.62 apparently...

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #9 from Gerry gerry.trep...@googlemail.com ---
@Michael Stahl: Good question, I really don't know. The repository does not
offer a newer version of pstoedit (probably the same with the LTS 12.04 as per
comment 2). But, if this is an issue, why did the EPS rendering correctly work
in LO version 4.1? Did the architecture to handle EPS completely change between
4.2 and 4.1?

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

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ign_christian ign_christ...@yahoo.com changed:

   What|Removed |Added

Summary|Regression 4.2.5 over   |Bad Quality/Rendering of
   |4.1.x: Quality/Rendering of |EPS graphics in LO 4.2 and
   |EPS graphics is much worse  |4.3
   |(unusable) in LibreOffice   |
   |4.2.5   |

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

Gerry gerry.trep...@googlemail.com changed:

   What|Removed |Added

   See Also||https://bugs.freedesktop.or
   ||g/show_bug.cgi?id=81598

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

--- Comment #3 from V Stuart Foote vstuart.fo...@utsa.edu ---
Per fdo bug 64161#23 the issue is with the pstoedit which handles the emf
conversion to emf for preview and image output to PDF.

Alternative to this internal conversion via pstoedit, is conversion external to
LO to emf or svg format.

And of course on Windows and OS X most systems will not have pstoedit installed
and configured.

Caolan, any comment on improving the pstoedit conversion? Should folks look to
conversion exterior to LO?

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[Libreoffice-bugs] [Bug 81592] Bad Quality/Rendering of EPS graphics in LO 4.2 and 4.3

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=81592

V Stuart Foote vstuart.fo...@utsa.edu changed:

   What|Removed |Added

   See Also||https://bugs.freedesktop.or
   ||g/show_bug.cgi?id=67464

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