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-rw-r--r--c_src/sdl_renderer.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/c_src/sdl_renderer.c b/c_src/sdl_renderer.c
index f856e03..12bbb67 100644
--- a/c_src/sdl_renderer.c
+++ b/c_src/sdl_renderer.c
@@ -452,6 +452,48 @@ NIF_FUNCTION(render_draw_point)
NIF_RES_GET(Renderer, renderer_res), x, y);
}
+// render_draw_points
+
+NIF_CALL_HANDLER(thread_render_draw_points)
+{
+ int ret;
+
+ ret = SDL_RenderDrawPoints(args[0], args[1], (long)args[2]);
+
+ enif_free(args[1]);
+
+ if (ret)
+ return sdl_error_tuple(env);
+
+ return atom_ok;
+}
+
+NIF_FUNCTION(render_draw_points)
+{
+ void* renderer_res;
+ unsigned int len;
+ SDL_Point* points;
+ ERL_NIF_TERM list, head;
+ int i = 0;
+
+ BADARG_IF(!enif_get_resource(env, argv[0], res_Renderer, &renderer_res));
+ BADARG_IF(!enif_get_list_length(env, argv[1], &len));
+ BADARG_IF(len < 2);
+
+ points = (SDL_Point*)enif_alloc(len * sizeof(SDL_Point));
+
+ list = argv[1];
+ while (enif_get_list_cell(env, list, &head, &list)) {
+ if (!map_to_point(env, head, &(points[i++]))) {
+ enif_free(points);
+ return enif_make_badarg(env);
+ }
+ }
+
+ return nif_thread_call(env, thread_render_draw_points, 3,
+ NIF_RES_GET(Renderer, renderer_res), points, len);
+}
+
// render_present
NIF_CAST_HANDLER(thread_render_present)