int l_new_image(lua_State * L)
{
image *a, **aa;
image_dict **add;
if (lua_gettop(L) > 1)
luaL_error(L, "img.new() needs maximum 1 argument");
if (lua_gettop(L) == 1 && !lua_istable(L, -1))
luaL_error(L, "img.new() needs table as optional argument"); /* (t) */
aa = (image **) lua_newuserdata(L, sizeof(image *)); /* i (t) */
luaL_getmetatable(L, TYPE_IMG); /* m i (t) */
lua_setmetatable(L, -2); /* i (t) */
a = *aa = new_image();
add = (image_dict **) lua_newuserdata(L, sizeof(image_dict *)); /* ad i (t) */
luaL_getmetatable(L, TYPE_IMG_DICT); /* m ad i (t) */
lua_setmetatable(L, -2); /* ad i (t) */
img_dict(a) = *add = new_image_dict();
img_dictref(a) = luaL_ref(L, LUA_GLOBALSINDEX); /* i (t) */
if (lua_gettop(L) == 2) { /* i t, else just i */
lua_insert(L, -2); /* t i */
lua_pushnil(L); /* n t i (1st key for iterator) */
while (lua_next(L, -2) != 0) { /* v k t i */
lua_to_image(L, a); /* v k t i */
lua_pop(L, 1); /* k t i */
} /* t i */
lua_pop(L, 1); /* i */
} /* i */
return 1; /* i */
}
static int m_img_set(lua_State * L)
{
image **a = (image **) luaL_checkudata(L, 1, TYPE_IMG); /* v k u */
image_dict *d = img_dict(*a);
if (d == NULL) {
luaL_error(L, "invalid image dictionary");
} else {
lua_to_image(L, *a, d);
}
return 0;
}
static int m_img_set(lua_State * L)
{
image **aa = (image **) luaL_checkudata(L, 1, TYPE_IMG); /* value key user */
lua_to_image(L, *aa); /* v k u */
return 0;
}