[Desktop_printing] Microsoft XPS specification

Hin-Tak Leung hintak_leung at yahoo.co.uk
Tue Apr 11 14:24:09 PDT 2006

Hi Raph,

Raph Levien wrote:
> We (the Ghostscript team) have a very aggressive implementation
> project underway. We have not yet decided on the licensing for the
> release, and, indeed, Microsoft has not yet released the details of
> their licenses for the XPS spec itself and the various
> subspecifications needed to implement it fully, such as their enhanced
> JPEG-like compression format (WMP) and their color architecture (WCS).

Is there any timescale planned?

> I believe Microsoft intends their XPS viewer largely to displace
> Acrobat largely as a tool for reading documents posted on the Web.
> Thus, I would tend to guess that a lot of the initial movement from
> the free software community would come from the Web browsers. That
> community has, to our frustration, never integrated any Ghostscript
> technology, and the Gnome viewer space has also forsaken Ghostscript
> in favor of various forks of xpdf. This experience has left me less
> than wildly enthusiastic about expecting positive results from a
> collaboration, but if somebody in the viewer/browser space wanted to
> work with us and would hold up their end, we'd be happy to work with
> them. In any case, there isn't any _hurry_ for the free software
> community to respond to XPS, but it's definitely worth learning more
> about.

That's largely a problem from the size and complexity of ghostscript's
code base. e.g. only Russell's gsview tries to use ghostscript as a
shared library in the "open world" AFAIK.


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