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Disconnect manager when resizing figure for animation saving. #16846

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Merged
merged 1 commit into from
Mar 24, 2020
Merged

Disconnect manager when resizing figure for animation saving. #16846

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14 changes: 7 additions & 7 deletions lib/matplotlib/animation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -361,12 +361,10 @@ def finish(self):
def grab_frame(self, **savefig_kwargs):
# docstring inherited
_log.debug('MovieWriter.grab_frame: Grabbing frame.')
# re-adjust the figure size in case it has been changed by the
# user. We must ensure that every frame is the same size or
# the movie will not save correctly.
# Readjust the figure size in case it has been changed by the user.
# All frames must have the same size to save the movie correctly.
self.fig.set_size_inches(self._w, self._h)
# Tell the figure to save its data to the sink, using the
# frame format and dpi.
# Save the figure data to the sink, using the frame format and dpi.
self.fig.savefig(self._frame_sink(), format=self.frame_format,
dpi=self.dpi, **savefig_kwargs)

Expand Down Expand Up @@ -1113,10 +1111,12 @@ def func(current_frame: int, total_frames: int) -> Any
"frame size to vary, which is inappropriate for "
"animation.")
# canvas._is_saving = True makes the draw_event animation-starting
# callback a no-op.
# callback a no-op; canvas.manager = None prevents resizing the GUI
# widget (both are likewise done in savefig()).
with mpl.rc_context({'savefig.bbox': None}), \
writer.saving(self._fig, filename, dpi), \
cbook._setattr_cm(self._fig.canvas, _is_saving=True):
cbook._setattr_cm(self._fig.canvas,
_is_saving=True, manager=None):
for anim in all_anim:
anim._init_draw() # Clear the initial frame
frame_number = 0
Expand Down