Error handling in main

main.cpp

@@ -49,10 +49,12 @@ int main(int ac, char *av[]) {
   view->setSource(QUrl::fromLocalFile(inputQml));
 
   QmlPrinter printer;
-  printer.printPdf(outputPdfDir.absolutePath(), view->rootObject());
+  if (!printer.printPdf(outputPdfDir.absolutePath(), view->rootObject())) {
+    qInfo() << app.tr("No PDF output was produced!");
+    return EXIT_FAILURE;
+  }
 
   qInfo() << app.tr("Writing PDF to %1").arg(outputPdfDir.absolutePath());
-
   if (showPres) {
     view->rootObject()->setProperty("currentSlide", 0);
     view->show();