PNG doesn't support the CMYK colorspace, only grayscale and RGB. You'll
have to use some other tool to do the conversion, maybe JAI.

> -----Original Message-----
> From: itext-questions-admin@(protected)
> [mailto:itext-questions-admin@(protected)
> Behalf Of Bruno Lowagie
> Sent: Friday, October 28, 2005 9:02 AM
> To: john berry; 'itext-questions@(protected)'
> Subject: [iText-questions] Re: creating Press optimized Pdf
> From your API
>
> I'm not a specialist as far as images are concerned, I
> forward this to
> the mailing list.
>
> john berry wrote:
>
> >Hi Bruno,
> >
> >  I have to convert a png image which is a business
> >card may contain some text in a specified font and an
> >image(logo)into CMYK pdf image.
> >Now, I needs a suggession from your side that which
> >option should i follow to do this...
> >
> >1. Convert PNG image directly to pdf. I have a
> >confusion in it that will fonts or text be affected or
> >not?
> >
> >
> iText will not alter your PNG.
> The only thing that may change is the resolution of the image
> (depending on how you add it).
> You can tune the resolution yourself by scaling the image.
>
> >2. Create an image in CMYK using pdfWriter
> >
> I don't understand this.
>
> > and copy my
> >image pixel by pixel to it by converting each pixel to
> >CMYK .
> >
> I think this is overkill.
> But it's better to hear what the other mailing list subscribers think
> about this.
> As I already told you: I am not an image specialist.
> br,
> Bruno
>
>
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