add src/sdl/font.[hc]

1 files changed, 31 insertions, 0 deletions

diff --git a/src/sdl/font.c b/src/sdl/font.c
new file mode 100644
index 0000000..76cb160
--- /dev/null
+++ b/src/sdl/font.c
@@ -0,0 +1,31 @@
+#include <SDL.h>
+#include <SDL_ttf.h>
+#include "font.h"
+#include "util.h"
+
+TTF_Font *
+font_load(
+  const asset_id_t font_asset_id,
+  const int font_size
+) {
+  // get asset
+  const asset_t * const asset = asset_get(font_asset_id);
+  if (!asset) {
+    die("asset_get()");
+  }
+
+  // create io
+  SDL_RWops *rw = SDL_RWFromConstMem(asset->buf, asset->len);
+  if (!rw) {
+    die("SDL_RWFromConstMem(): %s", SDL_GetError());
+  }
+
+  // load font
+  TTF_Font *font = TTF_OpenFontIndexRW(rw, 1, font_size, 0);
+  if (!font) {
+    die("TTF_OpenFontIndex(): %s", TTF_GetError());
+  }
+
+  // return font
+  return font;
+}