From f2088d7fc8167b6d301694f95f372573bac2cb64 Mon Sep 17 00:00:00 2001 From: Remco Burema Date: Fri, 29 Jan 2021 07:59:54 +0100 Subject: [PATCH] Don't take snapshot if no main window present. You'll need the Uranium branch of the same (fix_is_visible) name if you don't want this to crash on slicing! --- plugins/CuraEngineBackend/CuraEngineBackend.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/plugins/CuraEngineBackend/CuraEngineBackend.py b/plugins/CuraEngineBackend/CuraEngineBackend.py index eed9d56741..1aa6c86dcb 100755 --- a/plugins/CuraEngineBackend/CuraEngineBackend.py +++ b/plugins/CuraEngineBackend/CuraEngineBackend.py @@ -250,6 +250,9 @@ class CuraEngineBackend(QObject, Backend): @call_on_qt_thread # must be called from the main thread because of OpenGL def _createSnapshot(self) -> None: self._snapshot = None + if not CuraApplication.getInstance().isVisible: + Logger.log("w", "Can't create snapshot when renderer not initialized.") + return Logger.log("i", "Creating thumbnail image (just before slice)...") try: self._snapshot = Snapshot.snapshot(width = 300, height = 300)