Initial work on the SDL_ttf functions

1 files changed, 49 insertions, 0 deletions

diff --git a/src/sdl_ttf.erl b/src/sdl_ttf.erl
new file mode 100644
index 0000000..64a84da
--- /dev/null
+++ b/src/sdl_ttf.erl
@@ -0,0 +1,49 @@
+%% Copyright (c) 2018, Loïc Hoguin <[email protected]>
+%%
+%% Permission to use, copy, modify, and/or distribute this software for any
+%% purpose with or without fee is hereby granted, provided that the above
+%% copyright notice and this permission notice appear in all copies.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+-module(sdl_ttf).
+
+-export([is_started/0]).
+-export([open_font/2]).
+-export([render_solid/3]).
+-export([start/0]).
+-export([stop/0]).
+
+-opaque font() :: reference().
+-export_type([font/0]).
+
+-spec is_started() -> boolean().
+is_started() ->
+	esdl2:ttf_was_init(),
+	receive {'_nif_thread_ret_', Ret} -> Ret end.
+
+-spec open_font(binary(), pos_integer()) -> {ok, font()} | sdl:error().
+open_font(Filename, PointSize) ->
+	esdl2:ttf_open_font(Filename, PointSize),
+	receive {'_nif_thread_ret_', Ret} -> Ret end.
+
+-spec render_solid(font(), binary(), sdl_pixels:color())
+	-> {ok, sdl_surface:surface()} | sdl:error().
+render_solid(Font, Text, Color) ->
+	esdl2:ttf_render_utf8_solid(Font, Text, Color),
+	receive {'_nif_thread_ret_', Ret} -> Ret end.
+
+-spec start() -> ok | sdl:error().
+start() ->
+	esdl2:ttf_init(),
+	receive {'_nif_thread_ret_', Ret} -> Ret end.
+
+-spec stop() -> ok.
+stop() ->
+	esdl2:ttf_quit().