[poppler] pdftoppm vs. pdftocairo
Albert Astals Cid
aacid at kde.org
Mon Sep 19 02:32:17 PDT 2011
A Dilluns, 19 de setembre de 2011, Thomas Freitag vàreu escriure:
> Am 19.09.2011 11:01, schrieb Albert Astals Cid:
> > A Dilluns, 19 de setembre de 2011, Denny Reeh vàreu escriure:
> >> Hello,
> >> i'm using pdftoppm -png to convert a pdf to png for showing in web
> >> browsers. now, with the poppler release 0.17.3 pdftocairo was
> >> introduced.
> >> what are the differences between "pdftoppm -png" and "pdftocairo -png"
> >> ?
> > They use different rendering backends (poppler-splash vs poppler-cairo)
> That's obviously for me. The more interesting questions for me is (I was
> suprised by pdftocairo, too):
> 1. If I want to produce a png output,
> a) which program produces the "correcter" output?
> b) which program is faster?
> Okay, nobody can probably answer this for all PDF. But are there any
It depends on the pdf you use.
> 2. What is with futur bugs in png output? File them to splash or file
> them to cairo?
If happens in both pdftoppm and pdftocairo is probably something not render
related so it's in the core, if happens only in one then it's obvious where
the bug is ;-)
> 3. Are there any plans to support CMYK output with cairo (or does it
> already support is)?
No idea about this.
> 4. pdftocairo has a PDF output option. What does this mean, when
> producing a PDF with pdftocairo from a PDF? Something like a
No idea about this either.
> > Albert
> >> Thanks,
> >> Regards Denny Reeh
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