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Commitc92e48b

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Unset the canvas manager when saving the figure.
Saving a figure may involve temporarily resizing the canvas (e.g. due todifferent dpi), but we don't want that resize to be propagated to theactual GUI widget. Ensure this by temporarily unsetting the manager aswell.
1 parent4753f6c commitc92e48b

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‎lib/matplotlib/backend_bases.py

Lines changed: 12 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1772,6 +1772,7 @@ def __init__(self, figure):
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self._is_saving=False
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figure.set_canvas(self)
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self.figure=figure
1775+
self.manager=None
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# a dictionary from event name to a dictionary that maps cid->func
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self.callbacks=cbook.CallbackRegistry()
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self.widgetlock=widgets.LockDraw()
@@ -2149,6 +2150,15 @@ def print_figure(self, filename, dpi=None, facecolor=None, edgecolor=None,
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"""
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self._is_saving=True
2153+
# Remove the figure manager, if any, to avoid resizing the GUI widget.
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# Having *no* manager and a *None* manager are currently different (see
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# Figure.show); should probably be normalized to None at some point.
2156+
_no_manager=object()
2157+
ifhasattr(self,'manager'):
2158+
manager=self.manager
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delself.manager
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else:
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manager=_no_manager
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ifformatisNone:
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# get format from filename, or from backend's default filetype
@@ -2267,8 +2277,9 @@ def print_figure(self, filename, dpi=None, facecolor=None, edgecolor=None,
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self.figure.set_facecolor(origfacecolor)
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self.figure.set_edgecolor(origedgecolor)
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self.figure.set_canvas(self)
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ifmanagerisnot_no_manager:
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self.manager=manager
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self._is_saving=False
2271-
#self.figure.canvas.draw() ## seems superfluous
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returnresult
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@classmethod

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