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Don't take snapshot if no main window present.

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You'll need the Uranium branch of the same (fix_is_visible) name if you don't want this to crash on slicing!
This commit is contained in:
Remco Burema 2021-01-29 07:59:54 +01:00
parent a9bf3ed934
commit f2088d7fc8
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1 changed files with 3 additions and 0 deletions
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3
plugins/CuraEngineBackend/CuraEngineBackend.py
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@ -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)