Add sdl_window:get_size/1

2 files changed, 25 insertions, 0 deletions

diff --git a/c_src/esdl2.h b/c_src/esdl2.h
index 3a69b8f..7aea80f 100644
--- a/c_src/esdl2.h
+++ b/c_src/esdl2.h
@@ -169,6 +169,7 @@
 	F(get_window_maximum_size, 1) \
 	F(get_window_minimum_size, 1) \
 	F(get_window_position, 1) \
+	F(get_window_size, 1) \
 
 // Generated declarations for the NIF.
 
diff --git a/c_src/sdl_window.c b/c_src/sdl_window.c
index 9ddd3f4..becf4d4 100644
--- a/c_src/sdl_window.c
+++ b/c_src/sdl_window.c
@@ -302,3 +302,27 @@ NIF_FUNCTION(get_window_position)
 	return nif_thread_call(env, thread_get_window_position, 1,
 		NIF_RES_GET(Window, window_res));
 }
+
+// get_window_size
+
+NIF_CALL_HANDLER(thread_get_window_size)
+{
+	int w, h;
+
+	SDL_GetWindowSize(args[0], &w, &h);
+
+	return enif_make_tuple2(env,
+		enif_make_int(env, w),
+		enif_make_int(env, h)
+	);
+}
+
+NIF_FUNCTION(get_window_size)
+{
+	void* window_res;
+
+	BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
+
+	return nif_thread_call(env, thread_get_window_size, 1,
+		NIF_RES_GET(Window, window_res));
+}