Add sdl_renderer:draw_rect/{2,5}

4 files changed, 41 insertions, 0 deletions

diff --git a/c_src/esdl2.h b/c_src/esdl2.h
index 6814280..590cb4c 100644
--- a/c_src/esdl2.h
+++ b/c_src/esdl2.h
@@ -177,6 +177,7 @@
 	F(render_draw_lines, 2) \
 	F(render_draw_point, 3) \
 	F(render_draw_points, 2) \
+	F(render_draw_rect, 5) \
 	F(render_present, 1) \
 	F(render_set_logical_size, 3) \
 	F(set_render_draw_color, 5) \
diff --git a/c_src/sdl_renderer.c b/c_src/sdl_renderer.c
index 12bbb67..d022d6a 100644
--- a/c_src/sdl_renderer.c
+++ b/c_src/sdl_renderer.c
@@ -494,6 +494,33 @@ NIF_FUNCTION(render_draw_points)
 		NIF_RES_GET(Renderer, renderer_res), points, len);
 }
 
+// render_draw_rect
+
+NIF_CALL_HANDLER(thread_render_draw_rect)
+{
+	SDL_Rect rect = {(long)args[1], (long)args[2], (long)args[3], (long)args[4]};
+
+	if (SDL_RenderDrawRect(args[0], &rect))
+		return sdl_error_tuple(env);
+
+	return atom_ok;
+}
+
+NIF_FUNCTION(render_draw_rect)
+{
+	void* renderer_res;
+	int x, y, w, h;
+
+	BADARG_IF(!enif_get_resource(env, argv[0], res_Renderer, &renderer_res));
+	BADARG_IF(!enif_get_int(env, argv[1], &x));
+	BADARG_IF(!enif_get_int(env, argv[2], &y));
+	BADARG_IF(!enif_get_int(env, argv[3], &w));
+	BADARG_IF(!enif_get_int(env, argv[4], &h));
+
+	return nif_thread_call(env, thread_render_draw_rect, 5,
+		NIF_RES_GET(Renderer, renderer_res), x, y, w, h);
+}
+
 // render_present
 
 NIF_CAST_HANDLER(thread_render_present)
diff --git a/src/esdl2.erl b/src/esdl2.erl
index 681aa4d..414fb2d 100644
--- a/src/esdl2.erl
+++ b/src/esdl2.erl
@@ -65,6 +65,7 @@
 -export([render_draw_lines/2]).
 -export([render_draw_point/3]).
 -export([render_draw_points/2]).
+-export([render_draw_rect/5]).
 -export([render_present/1]).
 -export([render_set_logical_size/3]).
 -export([set_render_draw_color/5]).
@@ -249,6 +250,9 @@ render_draw_point(_, _, _) ->
 render_draw_points(_, _) ->
 	erlang:nif_error({not_loaded, ?MODULE}).
 
+render_draw_rect(_, _, _, _, _) ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
 render_present(_) ->
 	erlang:nif_error({not_loaded, ?MODULE}).
 
diff --git a/src/sdl_renderer.erl b/src/sdl_renderer.erl
index de55652..43a3359 100644
--- a/src/sdl_renderer.erl
+++ b/src/sdl_renderer.erl
@@ -29,6 +29,8 @@
 -export([draw_point/2]).
 -export([draw_point/3]).
 -export([draw_points/2]).
+-export([draw_rect/2]).
+-export([draw_rect/5]).
 -export([present/1]).
 -export([set_draw_color/5]).
 -export([set_logical_size/3]).
@@ -100,6 +102,13 @@ draw_points(Renderer, Points) ->
 	esdl2:render_draw_points(Renderer, Points),
 	receive {'_nif_thread_ret_', Ret} -> Ret end.
 
+draw_rect(Renderer, #{x:=X, y:=Y, w:=W, h:=H}) ->
+	draw_rect(Renderer, X, Y, W, H).
+
+draw_rect(Renderer, X, Y, W, H) ->
+	esdl2:render_draw_rect(Renderer, X, Y, W, H),
+	receive {'_nif_thread_ret_', Ret} -> Ret end.
+
 present(Renderer) ->
 	esdl2:render_present(Renderer).