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Diffstat (limited to 'src/sdl_texture.erl')
| -rw-r--r-- | src/sdl_texture.erl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/sdl_texture.erl b/src/sdl_texture.erl index 29c3018..276dce1 100644 --- a/src/sdl_texture.erl +++ b/src/sdl_texture.erl @@ -16,6 +16,7 @@ -export([create_from_file/2]). -export([create_from_surface/2]). +-export([get_alpha_mod/1]). create_from_file(Renderer, Filename) -> {ok, Surface} = sdl_surface:load(Filename), @@ -24,3 +25,10 @@ create_from_file(Renderer, Filename) -> create_from_surface(Renderer, Surface) -> esdl2:create_texture_from_surface(Renderer, Surface), receive {'_nif_thread_ret_', Ret} -> Ret end. + +get_alpha_mod(Texture) -> + esdl2:get_texture_alpha_mod(Texture), + receive {'_nif_thread_ret_', Ret} -> + {ok, Alpha} = Ret, + Alpha + end. |