From 8150619dbc226dde08fea8d30a4e3b8cec355f49 Mon Sep 17 00:00:00 2001
From: Michael Winkelmann <michael.winkelmann@qt.io>
Date: Tue, 20 Nov 2018 15:15:09 +0100
Subject: [PATCH] Error output when there is no item

---
 main.cpp | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/main.cpp b/main.cpp
index f6b4afd..8b79a44 100644
--- a/main.cpp
+++ b/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();
 }
-- 
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