No, I'm suggesting that while I think a real binding to cairo would be a good idea, it should be based on the code already in racket/draw and that the code in my library is probably useless. Feel free to use any of it that you find useful, though.
Sam On Sep 27, 2014 5:08 AM, "Antti Karttunen" <antti.karttu...@gmail.com> wrote: > > > On Fri, Sep 26, 2014 at 4:05 PM, Sam Tobin-Hochstadt <sa...@cs.indiana.edu > > wrote: > >> Instead of changing my Planet package, it would be better to provide >> an FFI to cairo based on the existing one that's in the library you >> mention. I don't think any of my package would be useful for that, >> though. >> > > > Did I understand right that your cairo.ss is intended to work with some > substantially earlier version of Cairo-library, and you want to keep it > that way? > > In any case, at least I realized that > (require racket/draw/unsafe/cairo-lib) > followed by (define libcairo cairo-lib) > > is (just ?) a more portable way of saying: > > (define libcairo (ffi-lib "libcairo")) > [Or in Windows: (define libcairo (ffi-lib "libcairo-2")) because it is > called libcairo-2.dll] > > Like this: > #lang racket > (require racket/draw/unsafe/cairo-lib) > (require ffi/unsafe) > > cairo-lib > #<ffi-lib> > > (define libcairo (ffi-lib "libcairo")) > . . ffi-lib: couldn't open "libcairo.dll" (The specified module could not > be found.; errno=126) > > (define libcairo (ffi-lib "libcairo-2")) > > libcairo > #<ffi-lib> > > (eq? cairo-lib libcairo) > #t > > > > -------------------- > > > So I guess making my own set of bindings shouldn't be too much of > racket-science... > > > Best, > > Antti > > >> Sam >> >> On Fri, Sep 26, 2014 at 8:44 AM, Antti Karttunen >> <antti.karttu...@gmail.com> wrote: >> > >> > Another question: >> > >> > Would it be a big job to edit the bindings in >> > >> http://planet.racket-lang.org/package-source/samth/cairo.plt/1/0/cairo.ss >> > so that it worked with the current >> > >> > (require racket/draw/unsafe/cairo-lib) >> > >> > cairo-lib >> > #<ffi-lib> >> > >> > ? >> > >> > I guess it's not just question of "deprecated names for Cairo >> functions" as >> > mentioned in the ticket: >> > http://planet.racket-lang.org/trac/ticket/357 >> > >> > but also code like: (define libcairo (ffi-lib "libcairo")) >> > >> > right in the beginning of .../samth/cairo.plt/1/0/cairo.ss >> > ? >> > >> > >> > Yours, >> > >> > Antti Karttunen >> > >> > >> > _________________________ >> > Racket Developers list: >> > http://lists.racket-lang.org/dev >> > >> > >
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