From f58c4f1c171a11e043483615badf8cba21fee527 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= Date: Mon, 7 Apr 2014 16:31:32 +0200 Subject: Add sdl_renderer:set_scale/3 --- c_src/esdl2.h | 1 + c_src/sdl_renderer.c | 41 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) (limited to 'c_src') diff --git a/c_src/esdl2.h b/c_src/esdl2.h index 9ddd2d5..021d5bb 100644 --- a/c_src/esdl2.h +++ b/c_src/esdl2.h @@ -188,6 +188,7 @@ F(render_present, 1) \ F(render_set_clip_rect, 5) \ F(render_set_logical_size, 3) \ + F(render_set_scale, 3) \ F(set_render_draw_color, 5) \ /* sdl_surface */ \ F(img_load, 1) \ diff --git a/c_src/sdl_renderer.c b/c_src/sdl_renderer.c index 9d873bb..85432c2 100644 --- a/c_src/sdl_renderer.c +++ b/c_src/sdl_renderer.c @@ -807,6 +807,47 @@ NIF_FUNCTION(render_set_logical_size) NIF_RES_GET(Renderer, renderer_res), w, h); } +// render_set_scale + +NIF_CALL_HANDLER(thread_render_set_scale) +{ + int ret; + + ret = SDL_RenderSetScale(args[0], *((double*)args[1]), *((double*)args[2])); + + enif_free(args[1]); + enif_free(args[2]); + + if (ret) + return sdl_error_tuple(env); + + return atom_ok; +} + +NIF_FUNCTION(render_set_scale) +{ + void* renderer_res; + double *scaleXPtr, *scaleYPtr; + + BADARG_IF(!enif_get_resource(env, argv[0], res_Renderer, &renderer_res)); + + scaleXPtr = (double*)enif_alloc(sizeof(double)); + if (!enif_get_double(env, argv[1], scaleXPtr)) { + enif_free(scaleXPtr); + return enif_make_badarg(env); + } + + scaleYPtr = (double*)enif_alloc(sizeof(double)); + if (!enif_get_double(env, argv[2], scaleYPtr)) { + enif_free(scaleXPtr); + enif_free(scaleYPtr); + return enif_make_badarg(env); + } + + return nif_thread_call(env, thread_render_set_scale, 3, + NIF_RES_GET(Renderer, renderer_res), scaleXPtr, scaleYPtr); +} + // set_render_draw_color NIF_CALL_HANDLER(thread_set_render_draw_color) -- cgit v1.2.3