QmlDesigner: Fix prefiew size

Change-Id: I126c50209f2849d0212f0d295b35cba0f25f2728
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

1 files changed, 1 insertions, 4 deletions

diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp
index 6e50012063..50db9b9971 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp
@@ -104,7 +104,7 @@ QImage Qt5PreviewNodeInstanceServer::renderPreviewImage()
 
     QSize previewImageSize = boundingRect.size().toSize();
 
-    if (!m_previewSize.isNull())
+    if (m_previewSize.isValid() && !m_previewSize.isNull())
         previewImageSize.scale(m_previewSize, Qt::KeepAspectRatio);
 
     QImage previewImage = rootNodeInstance().renderPreviewImage(previewImageSize);
@@ -123,9 +123,6 @@ void Qt5PreviewNodeInstanceServer::changePreviewImageSize(
 {
     m_previewSize = command.size;
 
-    if (!command.size.isValid())
-        m_previewSize = {160, 160};
-
     collectItemChangesAndSendChangeCommands();
 }