Am 20.04.2012 14:55, schrieb Adrian Johnson:
On 20/04/12 21:44, Thomas Freitag wrote:
Am 20.04.2012 13:47, schrieb Thomas Freitag:
Am 16.04.2012 22:53, schrieb Ralph:
Hey Thomas,
Here's the PDF in question. Quite a nasty one imho ;)
Thanks for getting back to me, sorry for the delay.
Hey Ralph!
In the meantime I found some time to have a look into it: The PDF has
12153 image masks in pattern colorspace. My first try to render it
under Windows with pdftoppm compiled in debug mode dies after 22
minutes with out of memory.
Then I encountered, that my implementation of colorizing image masks
in pattern colorspace in splash could be optimized. I gave it a try,
and now I'm able to render it in 250 seconds (still Windows debug
mode). It's still not so fast, but at least it works.
Additional information:
Under Unix 64 bit release mode it takes now 74 seconds. But You can use
pdftocairo (only 18 seconds) if You accept, that cairo isn't able to
render image masks in pattern colorspace correctly :-)
Are you using git master? The fix for bug 47739 should have fixed image
masks with patterns in cairo output.
I wasn't sure, therefore I just made an additional test with git master:
nothing changed here, so rendering is still not okay with pdftocairo.
But because I got the PDF in private from Ralph, I'm not able to give it
to You. Please ask Ralph,
Thomas
Thomas
My problem now is, that my code base is in the meantime completely
different than git master, because Albert wasn't able to commit my
DeviceN implementation and suspend it until 0.22. Therefore I opened a
bug: https://bugs.freedesktop.org/show_bug.cgi?id=48964. I need to
discuss it with Albert in which order my enhancements could be committed.
At least I'll regtest my changes coming weekend, and perhaps I create
a patch for it only...
BTW, it would probably help if You can send the PDF also to Albert...
Cheers,
Thomas
On Wednesday, April 11, 2012 at 6:49 AM, Thomas Freitag wrote:
Am 11.04.2012 15:35, schrieb Ralph:
Hi Folks,
I have a PDF file that's causing pdftoppm to hang. Looking at an strace shows
that it's doing *something* but it's taking much longer than expected (at least
over a few minutes). This is present on 0.18.3 and 0.19.2.
I would attach the file to a bug post, but I'd rather email it out directly as
it's a customers PDF and not mine. Who should I send this bugger to?
If You don't care, send it to me in private. Then I'll have a look at it
probably next weekend.
Thomas
Thanks for all the help,
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