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avoid calling wx.Bitmap() if width or height is zero #17261

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Merged
merged 1 commit into from
Apr 30, 2020
Merged

avoid calling wx.Bitmap() if width or height is zero #17261

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6 changes: 3 additions & 3 deletions lib/matplotlib/backends/backend_wx.py
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Original file line number Diff line number Diff line change
Expand Up @@ -694,14 +694,14 @@ def _onSize(self, event):
# no change in size
return
self._width, self._height = size
# Create a new, correctly sized bitmap
self.bitmap = wx.Bitmap(self._width, self._height)

self._isDrawn = False

if self._width <= 1 or self._height <= 1:
return # Empty figure

# Create a new, correctly sized bitmap
self.bitmap = wx.Bitmap(self._width, self._height)

dpival = self.figure.dpi
winch = self._width / dpival
hinch = self._height / dpival
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