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Add extra exception handling for UFPwriter

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Jaime van Kessel 2019-09-24 09:24:36 +02:00
parent fae4138b79
commit 3ab0b5decf
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GPG key ID: 3710727397403C91
2 changed files with 9 additions and 3 deletions
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6
cura/Snapshot.py
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@ -85,8 +85,10 @@ class Snapshot:
preview_pass.setCamera(camera)
preview_pass.render()
pixel_output = preview_pass.getOutput()
min_x, max_x, min_y, max_y = Snapshot.getImageBoundaries(pixel_output)
try:
min_x, max_x, min_y, max_y = Snapshot.getImageBoundaries(pixel_output)
except ValueError:
return None
size = max((max_x - min_x) / render_width, (max_y - min_y) / render_height)
if size > 0.5 or satisfied:

6
plugins/UFPWriter/UFPWriter.py
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@ -38,7 +38,11 @@ class UFPWriter(MeshWriter):
def _createSnapshot(self, *args):
# must be called from the main thread because of OpenGL
Logger.log("d", "Creating thumbnail image...")
self._snapshot = Snapshot.snapshot(width = 300, height = 300)
try:
self._snapshot = Snapshot.snapshot(width = 300, height = 300)
except Exception:
Logger.logException("w", "Failed to create snapshot image")
self._snapshot = None # Failing to create thumbnail should not fail creation of UFP
# This needs to be called on the main thread (Qt thread) because the serialization of material containers can
# trigger loading other containers. Because those loaded containers are QtObjects, they must be created on the