From 3fc0e759e908bdf992c1f65f258be142e0bca6fa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= Date: Sat, 5 Apr 2014 19:31:37 +0200 Subject: Add sdl_renderer:draw_rects/2 --- c_src/esdl2.h | 1 + c_src/sdl_renderer.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) (limited to 'c_src') diff --git a/c_src/esdl2.h b/c_src/esdl2.h index 590cb4c..1dbc436 100644 --- a/c_src/esdl2.h +++ b/c_src/esdl2.h @@ -178,6 +178,7 @@ F(render_draw_point, 3) \ F(render_draw_points, 2) \ F(render_draw_rect, 5) \ + F(render_draw_rects, 2) \ 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 d022d6a..9891290 100644 --- a/c_src/sdl_renderer.c +++ b/c_src/sdl_renderer.c @@ -521,6 +521,48 @@ NIF_FUNCTION(render_draw_rect) NIF_RES_GET(Renderer, renderer_res), x, y, w, h); } +// render_draw_rects + +NIF_CALL_HANDLER(thread_render_draw_rects) +{ + int ret; + + ret = SDL_RenderDrawRects(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_rects) +{ + void* renderer_res; + unsigned int len; + SDL_Rect* rects; + 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); + + rects = (SDL_Rect*)enif_alloc(len * sizeof(SDL_Rect)); + + list = argv[1]; + while (enif_get_list_cell(env, list, &head, &list)) { + if (!map_to_rect(env, head, &(rects[i++]))) { + enif_free(rects); + return enif_make_badarg(env); + } + } + + return nif_thread_call(env, thread_render_draw_rects, 3, + NIF_RES_GET(Renderer, renderer_res), rects, len); +} + // render_present NIF_CAST_HANDLER(thread_render_present) -- cgit v1.2.3