diff options
Diffstat (limited to 'c_src/sdl_surface.c')
| -rw-r--r-- | c_src/sdl_surface.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/c_src/sdl_surface.c b/c_src/sdl_surface.c index 22f75ab..a915fec 100644 --- a/c_src/sdl_surface.c +++ b/c_src/sdl_surface.c @@ -20,7 +20,26 @@ void dtor_Surface(ErlNifEnv* env, void* obj) SDL_FreeSurface(NIF_RES_GET(Surface, obj)); } +// get_surface_dimensions + +NIF_FUNCTION(get_surface_dimensions) +{ + void* surface_res; + SDL_Surface* surface; + + BADARG_IF(!enif_get_resource(env, argv[0], res_Surface, &surface_res)); + surface = NIF_RES_GET(Surface, surface_res); + + return enif_make_tuple2(env, + enif_make_int(env, surface->w), + enif_make_int(env, surface->h) + ); +} + // img_load +// @todo We should accept file:filename_all() and convert to binary +// before passing it to the NIF. Then we can support UTF-8 paths. +// @todo This function probably doesn't need to be a call. NIF_CALL_HANDLER(thread_img_load) { |