/** Load an image from a given path.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lparam The command line to execute.
*/
static int
luaA_load_image(lua_State *L)
{
const char *filename = luaL_checkstring(L, 1);
cairo_surface_t *surface = draw_load_image(L, filename);
if (!surface)
return 0;
/* lua has to make sure to free the ref or we have a leak */
lua_pushlightuserdata(L, surface);
return 1;
}
/** Load an image from a given path.
*
* @param name The file name.
* @return[1] A cairo surface as light user datum.
* @return[2] nil
* @treturn[2] string Error message
* @function load_image
*/
static int
luaA_load_image(lua_State *L)
{
GError *error = NULL;
const char *filename = luaL_checkstring(L, 1);
cairo_surface_t *surface = draw_load_image(L, filename, &error);
if (!surface) {
lua_pushnil(L);
lua_pushstring(L, error->message);
g_error_free(error);
return 2;
}
/* lua has to make sure to free the ref or we have a leak */
lua_pushlightuserdata(L, surface);
return 1;
}
