[poppler] pdftoppm vs. pdftocairo
Thomas.Freitag at kabelmail.de
Tue Sep 20 00:27:47 PDT 2011
Am 19.09.2011 21:45, schrieb Leonard Rosenthol:
> Since PNG doesn't support CMYK, what would be the use of exporting in
> CMYK? You'd have to export in either JPEG or TIFF...
Sorry to be not clear enough and mixing differnet things (of course I
know that png doesn't support CMYK): pdftocairo is able to export JPG,
too, only as one possibility.
So still my question to the cairo developer: are there any plans to
support CMYK in cairo (not in png :-) ) in futur?
> On 9/19/11 11:21 AM, "Thomas Freitag"<Thomas.Freitag at kabelmail.de> wrote:
>> Am 19.09.2011 11:01, schrieb Albert Astals Cid:
>>> A Dilluns, 19 de setembre de 2011, Denny Reeh vàreu escriure:
>>>> i'm using pdftoppm -png to convert a pdf to png for showing in web
>>>> 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
>> 2. What is with futur bugs in png output? File them to splash or file
>> them to cairo?
>> 3. Are there any plans to support CMYK output with cairo (or does it
>> already support is)?
>> 4. pdftocairo has a PDF output option. What does this mean, when
>> producing a PDF with pdftocairo from a PDF? Something like a
>>>> Regards Denny Reeh
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>>>> poppler at lists.freedesktop.org
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