PDF Library

Thomas Lumley thomas@biostat.washington.edu
Fri, 20 Nov 1998 09:17:22 -0800 (PST)

On 20 Nov 1998, Peter Dalgaard BSA wrote:

> Prof Brian Ripley <ripley@stats.ox.ac.uk> writes:
> > S-PLUS has a pdf.graph graphics device, and from what I know of the S
> > (hence R) graphics model, it would be relatively easy to write a PDF
> > graphics device (no fancy commercial libraries needed). However, I am
> > not about to do it, as I can convert .eps files to .pdf in several ways
> > and do so regularly using epstopdf (perl script calling gs5.50 at
> > www.tug.org/applications/pdftex: even works on Windows).  Converting
> > .pdf to .eps WELL seems rather harder.
> ..and a licence of the sort described is nowhere near OpenSource
> requirements and clearly in conflict with the GPL. So R cannot use it.
> (Certainly not in conjuction with the GPL'ed readline library, anyway.)

There is also an Open Source PDF library that I have mentioned before. It
seems quite powerful and easy to use. There are license problems even
then, as it is under the Aladdin license, which, like the GPL, is

Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle

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