Wow, that looks neat... thanks! Am Montag, 14. April 2014 02:27:36 UTC+2 schrieb Chad Austin: > > Alon's suggestion to put something on the wiki impelled me to write a > tutorial for using emscripten::val to call into JavaScript from C++. This > is convenient when you have a C++ codebase and want to make a few quick > calls into JavaScript. > > Using Web Audio API from C++ with emscripten::val: > https://github.com/kripken/emscripten/wiki/Using-Web-Audio-API-from-C---with-emscripten::val > > > > On Sun, Apr 13, 2014 at 2:19 PM, Alon Zakai <[email protected]<javascript:> > > wrote: > >> Info looks correct, thanks - please feel free to add that to the relevant >> wiki page(s). >> >> - Alon >> >> >> >> On Sun, Apr 13, 2014 at 11:39 AM, Joshua Litt >> <[email protected]<javascript:> >> > wrote: >> >>> Just in case someone comes later and wants to know - to call JS from >>> emscripten C++ is a bit non obvious. The wiki has a few terse lines about >>> the procedure, but actually omits some of the details. >>> >>> First of all, in C++ you do the following: >>> extern "C" { >>> extern void my_js(void* a, void* b); >>> } >>> >>> For whatever you want the prototype to be. >>> >>> Then, you create a JS file which will be linked with your compiled C >>> code. The format of the JS file is odd: >>> mergeInto(LibraryManager.library, { >>> my_js: function(a, b) { >>> console.log(a + " " + b); >>> call_into_actual_code(a, b); >>> } >>> }) >>> >>> where call_into_actual_code is some other JS function in your normal JS >>> frontend. >>> >>> The final step - you don't include the JS file which is linked in with >>> emscripten into your webpage. The test mentioned in the wiki does have >>> this information, but its kind of tough to pick out in a 2500 line python >>> file. >>> >>> I have to say, this is one amazingly awesome project! Huge thanks to >>> the team(also please correct any of the above info if its wrong) >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "emscripten-discuss" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]<javascript:> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "emscripten-discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Chad Austin > Technical Director, IMVU > http://engineering.imvu.com <http://www.imvu.com/members/Chad/> > http://chadaustin.me > > >
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