I went through the patch written by me and unfortunately I can not make
it so that it returns the same result as before. I've separated axes in
which it searches for immediate up/down/left/right neighbours, sorted
them and found the neighbours by single pass (+ number of possible
neighbour candidat
Created attachment 111925
Rotate documents correctly
I've prepared a simple patch which also solves this problem. It just rotates
what we get from ghostscript at pixel level. It takes more time than rendering
it directly to the format we want but it works.
I'm just not sure about slice rendering
Hi,
the problem we are trying to fix here was introduced by this ghostscript
commit:
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7a8612112478196d8f047a556fdbb15d17aec7d0
(Add PSFitPage and FitPage options to allow fitting PS files to a page).
It is present in ghostscript since 9.08.
Created attachment 111047
erase page before its drawing
This patch is simplified version of the one with setpagedevice, it just
erase the page instead of calling whole setpagedevice.
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The patch is a simplified version of the patch
https://bugs.freedesktop.org/attachment.cgi?id=105606. I still can not
reproduce the problem mentioned by Carlos and my previous patch was
reverted so I don't know whether it will be included there at all.
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(In reply to Carlos Garcia Campos from comment #34)
> Still doesn't work here, it seems to rotate the first page only of a
> multipage document.
I can not reproduce this. Could you point me to a document which
triggers this problem?
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I'm closing this since it seems to be already fixed (by
http://cgit.freedesktop.org/poppler/poppler/commit/?id=f3a1b765bd6a58d327a80feedbe30e1c0792076e
and
http://cgit.freedesktop.org/poppler/poppler/commit/?id=5056e33e01ce0f7db1a5401b7b38d30e84eedf69).
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This patch fixes the problem for me. But I can not reproduce the problem
mentioned in https://bugs.freedesktop.org/show_bug.cgi?id=76450#c34 so
there are still some problems probably.
** Bug watch added: freedesktop.org Bugzilla #76450
https://bugs.freedesktop.org/show_bug.cgi?id=76450
** Patc
(In reply to comment #31)
> Created attachment 105606 [details] [review]
> send setpagedevice
>
> I've just bisected where the behaviour changes. I found that placing a
> setpagedevice to the place of where Orientation was originally set helps.
> But I still don't know why.
Maybe the page needs s
Created attachment 105607
minimal version of the reproducer
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https://bugs.launchpad.net/bugs/1242678
Title:
evince cannot render some EPS files
To manage notification
Created attachment 105606
send setpagedevice
I've just bisected where the behaviour changes. I found that placing a
setpagedevice to the place of where Orientation was originally set
helps. But I still don't know why.
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Deskt
(In reply to comment #20)
> (In reply to comment #19)
> > Thanks Marek! Do you still plan to look at the evince side as well (since
> > the rotation seems to still be wrong when using it, as mentioned in previous
> > comments)
>
> Hi Sebastien,
>
> thank you for reminding me this. I'll look at th
Created attachment 101589
Change direction of rotation
The promised patch.
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Title:
evince cannot render some EPS files
To man
(In reply to comment #23)
> (In reply to comment #22)
> > (In reply to comment #20)
> > > (In reply to comment #19)
> > > > Thanks Marek! Do you still plan to look at the evince side as well
> > > > (since
> > > > the rotation seems to still be wrong when using it, as mentioned in
> > > > previou
(In reply to comment #19)
> Thanks Marek! Do you still plan to look at the evince side as well (since
> the rotation seems to still be wrong when using it, as mentioned in previous
> comments)
Hi Sebastien,
thank you for reminding me this. I'll look at that but not now since I have
several tasks
Created attachment 100723
Rotate documents correctly
Hi,
I'm sorry for my late response, I was super busy with something else.
(In reply to comment #15)
> Comment on attachment 99331 [details] [review]
> Rotate documents correctly
>
> Review of attachment 99331 [details] [review]:
> ---
Created attachment 99331
Rotate documents correctly
(In reply to comment #13)
> (In reply to comment #12)
> > Yes, you can replace setpagedevice with pop. It is not clear to me how your
> > patch is doing this. Something like "/setpagedevice { pop } bind def" should
> > work.
Thank you.
> It see
Created attachment 99156
Rotate documents correctly
This patch solves the problem with the problematic PostScript file for
me but it is kind of a hack. It replaces occurrences of "setpagedevice"
with "pop " so that its parameters don't influence the
rendering to the "display" device. I ha
Created attachment 99100
Rotate documents correctly
Thank you for the review.
(In reply to comment #7)
> Comment on attachment 96165 [details] [review]
> Rotate documents correctly
>
> Review of attachment 96165 [details] [review]:
> --
Created attachment 99101
The problematic PostScript file.
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https://bugs.launchpad.net/bugs/1242678
Title:
evince cannot render some EPS files
To manage notifications
(In reply to comment #5)
> @Marek, do you plan to follow up with the evince team about that rotation
> issue?
> It seems like both libspectre and evince need to be updated together to give
> a correct result there
Sure, I can continue on this in evince too. I'll try look for a
solution.
--
You
(In reply to comment #1)
> The issue reported there seems to be also what makes evince fails to render
> some eps files on e.g recent Ubuntu versions
>
> That has been reported on
> https://bugzilla.gnome.org/show_bug.cgi?id=710957
> https://bugs.launchpad.net/libspectre/+bug/1242678
> http://bugs
Created attachment 97356
Improve efficiency of searching for tables
(In reply to comment #68)
> Created attachment 40308 [details] [review]
> optimization of search for tables
This is an updated version of the patch. It needs Brian's patch to be
already applied. (see #77087 for additional info)
Created attachment 92929
reproducer showing "Invalid rectangle" error when selecting text
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https://bugs.launchpad.net/bugs/245620
Title:
evince and selection on rotated text
To manag
Created attachment 92928
Respect orientation when selecting words
Attached is a patch which improves selection of words when PDF is
rotated by multiples of 90°. It sets correct bounds on various visit*()
functions.
The patch doesn't solve all problems related to this. There are still
problems wit
Created attachment 40308
optimization of search for tables
Hi,
this patch improves efficiency of searching for blocks which belong to a table.
In the worst case it is still quadratic but it should be O(n*sqrt(n)) in
average case.
It creates a list of all y coordinates and then sort it. After th
There are also 2 nested "for" cycles in the block preceded by this
comment:
/* set extended bounding boxes of all other blocks
* so that they extend in x without hitting neighbours
*/
I'm working on an optimization of it.
Marek
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