[poppler] pdftoppm vs. pdftocairo

[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...

Leonard


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:
>>> 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
>experiences?
>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
>"normalization"?
>
>Thomas
>>
>> Albert
>>
>>> Thanks,
>>>
>>> Regards Denny Reeh
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