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Bug Report: saved Figure ignores figure.facecolor #17467

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@DanielGoldfarb

Description

@DanielGoldfarb

Bug report

When saving a figure, either via plt.savefig() or by clicking the disk icon on the figure display UI, the saved figure has no facecolor.

Code for reproduction

dino@DINO:~/code/mplfinance$ ipython
Python 3.7.4 (default, Aug 13 2019, 20:35:49)
Type 'copyright', 'credits' or 'license' for more information
IPython 7.8.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: import matplotlib as mpl

In [2]: mpl.__version__
Out[2]: '3.1.3'

In [3]: import matplotlib.pyplot as plt

In [4]: y = [2,4,3,7,1]
In [5]: x = [0,1,2,3,4]

In [6]: plt.rcParams['figure.facecolor'] = 'c'

In [7]: plt.plot(x,y)
Out[7]: [<matplotlib.lines.Line2D at 0x7ff9eeb49090>]

In [8]: plt.show()

In [9]: plt.rcParams['figure.facecolor'] = 'c'
In [10]: plt.plot(x,y)
Out[10]: [<matplotlib.lines.Line2D at 0x7ff9d7890d10>]

In [11]: plt.savefig('testsave.png')

Here is what the plot looks like upon plt.show()

matplotlib_fig1


Here is what the plot looks like when I click the disk icon on the above UI to save the plot:

matplotlib_fig1saved


Here is what the plot looks like when I call plt.savefig('testsave.png')

matplotlib_testsave

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