Thanks- That looks like it was just the ticket, and the answer to a lot of the other questions I had piling up.
On Mon, Feb 7, 2011 at 2:03 PM, Jay McCarthy <[email protected]> wrote: > The ffi has a directory of examples: > > https://github.com/plt/racket/tree/master/collects/ffi/examples > > and there are many on PLaneT > > Jay > > 2011/2/7 Ben Dean <[email protected]>: > > I'm looking to put some Racket wrappers around bits of the OpenCV C api, > but > > I'm having a hard getting started. I've looked through the ffi/unsafe > > documentation several times, but something isn't clicking-- I think I > need > > to peer at some examples. If anyone has a good example or two of calling > C > > code from Racket, I'd be much obliged. > > In detail, what I imagine is going to happen is that I will be accessing > > some (shared?) object files, created as part of the OpenCV build, by > calling > > (define function-name (get-ffi-obj function-name (ffi-lib lib-name) > > format)...) > > I'm not clear, however, on what the particular object files I'm looking > up > > with ffi-lib. I also am unclear about the convention for the > function-name > > parameter to get-ffi-obj. Is it as simple as a string of the the name > that > > the C api is exposing? > > I hope I've revealed my ignorance appropriately-- if you noticed any > other > > misconceptions or egregious gaps, please do let me know! > > ben > > _________________________________________________ > > For list-related administrative tasks: > > http://lists.racket-lang.org/listinfo/users > > > > > > -- > Jay McCarthy <[email protected]> > Assistant Professor / Brigham Young University > http://faculty.cs.byu.edu/~jay > > "The glory of God is Intelligence" - D&C 93 >
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