{
wxPaintDC dc (_labels_canvas);
+ auto film = _film.lock();
+ if (film->content().empty()) {
+ return;
+ }
+
auto gc = wxGraphicsContext::Create (dc);
if (!gc) {
return;
Timeline::paint_main ()
{
wxPaintDC dc (_main_canvas);
+
+ auto film = _film.lock();
+ if (film->content().empty()) {
+ return;
+ }
+
_main_canvas->DoPrepareDC (dc);
auto gc = wxGraphicsContext::Create (dc);