diff options
Diffstat (limited to 'c_src/sdl_texture.c')
-rw-r--r-- | c_src/sdl_texture.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/c_src/sdl_texture.c b/c_src/sdl_texture.c index 4741bb6..2b78cc9 100644 --- a/c_src/sdl_texture.c +++ b/c_src/sdl_texture.c @@ -49,3 +49,28 @@ NIF_FUNCTION(create_texture_from_surface) return nif_thread_call(env, thread_create_texture_from_surface, 2, NIF_RES_GET(Renderer, renderer_res), NIF_RES_GET(Surface, surface_res)); } + +// get_texture_alpha_mod + +NIF_CALL_HANDLER(thread_get_texture_alpha_mod) +{ + Uint8 alpha; + + if (SDL_GetTextureAlphaMod(args[0], &alpha)) + return sdl_error_tuple(env); + + return enif_make_tuple2(env, + atom_ok, + enif_make_uint(env, alpha) + ); +} + +NIF_FUNCTION(get_texture_alpha_mod) +{ + void* texture_res; + + BADARG_IF(!enif_get_resource(env, argv[0], res_Texture, &texture_res)); + + return nif_thread_call(env, thread_get_texture_alpha_mod, 1, + NIF_RES_GET(Texture, texture_res)); +} |