Error output when there is no item

main.cpp

@@ -56,13 +56,21 @@ int main(int ac, char *av[]) {
       view->engine()->addImportPath(path);
 
   view->setSource(QUrl::fromLocalFile(inputQml));
-  view->setGeometry(0,0, view->rootObject()->width(), view->rootObject()->height());
+
+  auto item = view->rootObject();
+
+  if (!item) {
+      qInfo() << QObject::tr("No item in QML, no PDF output was produced!");
+      return EXIT_SUCCESS;
+  }
+
+  view->setGeometry(0,0, int(item->width()), int(item->height()));
 
   QTimer::singleShot(delay,[=]() {
     QmlPrinter printer;
 
     qInfo() << QObject::tr("Writing PDF to %1").arg(outputPdfDir.absolutePath());
-    if (!printer.printPdf(outputPdfDir.absolutePath(), view->rootObject())) {
+    if (!printer.printPdf(outputPdfDir.absolutePath(), item)) {
       qInfo() << QObject::tr("No PDF output was produced!");
     }
     qGuiApp->quit();
@@ -70,6 +78,5 @@ int main(int ac, char *av[]) {
       QDesktopServices::openUrl(QUrl::fromLocalFile(outputPdfDir.absolutePath()));
   });
 
-
   return app.exec();
 }