That sounds cool!!!! Way to go Niklas!!! Regards, Kashyap
On Sat, Mar 2, 2013 at 6:24 AM, Niklas Hambüchen <[email protected]> wrote: > I'm happy to announce a new library, "netpbm", a full implementation of > the netpbm image formats (PPM, PGM, PBM) in pure Haskell. > > The P*N formats describe themselves as "as easy as possible"; they > mainly consist of dimensions + uncompressed data and are used especially > in between graphics programs, e.g. between ImageMagick and its > ghostscript part as well as in ffmpeg. > > There are six formats (bitmap, greyscale, color, each of them coming in > binary and ASCII variants). This parses all of them. > > The main focus of this library is *pedantic* adherence to the spec > (http://netpbm.sourceforge.net/doc/pbm.html) - in fact I claim that all > implementations out there do not properly implement the spec correctly, > not even the netpbm project itself. I have not properly verified this > yet, but my library can parse valid PPM files that don't display in my > image viewer (which is built on top of the C library in question). > To be honest, one cannot really blame anybody for this since netpbm > allows pretty insane things (such as comments inside numeric literals) > and its claim to be simple is absolutely hilarious. > > haskell-netpbm is backed by an extensive test suite that checks its > compatibility with images created by common programs (GIMP, convert), > public data sets, and random pictures I found on the Internet. > > It is built using attoparsec. You can find it on > > http://hackage.haskell.org/package/netpbm > > Any contributions in form of code, tests images or claims that I don't > implement the spec right are highly welcome at > > https://github.com/nh2/haskell-netpbm > > Please note that I just finished the implementation and that I will > clean up (break) the API in the next release, but I found it made sense > to announce it as early as possible now that the format implementation > is complete. > > Niklas > > _______________________________________________ > Haskell-Cafe mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/haskell-cafe >
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