// colorspec_to_colorstring(colorspec)
static int l_colorspec_to_colorstring(lua_State *L);
+ // colorspec_to_bytes(colorspec)
+ static int l_colorspec_to_bytes(lua_State *L);
+
+ // encode_png(w, h, data, level)
+ static int l_encode_png(lua_State *L);
+
public:
static void Initialize(lua_State *L, int top);
static void InitializeAsync(lua_State *L, int top);