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copied!<p>You can set it by, for example <a href="http://www.mail-archive.com/matplotlib-users@lists.sourceforge.net/msg07046.html" rel="nofollow noreferrer"><code>pylab.figure(facecolor=SOME_COLOR, ...)</code></a> or <a href="http://matplotlib.sourceforge.net/users/customizing.html" rel="nofollow noreferrer"><code>matplotlib.rcParams['figure.facecolor'] = SOME_COLOR</code></a>. It looks like that its default value is <a href="https://github.com/matplotlib/matplotlib/blob/1cd07a6cbd1b6b25a3256463e67782bb7ff85547/lib/matplotlib/rcsetup.py#L518" rel="nofollow noreferrer">hard-coded</a>, so there is no way to tell MPL to respect GTK theme.</p> <hr> <p>Here's a concrete example of how to do this in PyGTK. Some of this information here was gleaned from <a href="https://stackoverflow.com/questions/6715464/get-colors-of-current-gtk-style">"Get colors of current gtk style"</a> and from the <a href="http://developer.gnome.org/pygtk/stable/class-gdkcolor.html" rel="nofollow noreferrer">gdk.Color</a> docs. I haven't gotten as far as setting the font, etc, but this shows the basic framework you need.</p> <p>First, define the following function:</p> <pre><code>def set_graph_appearance(container, figure): """ Given a GTK container and a Matplotlib "figure" object, this will set the figure background colour to be the same as the normal colour of the container. """ # "bg" is the background "style helper" object. It contains five different # colours, for the five different widget states. bg_style = container.get_style().bg[gtk.STATE_NORMAL] gtk_color = (bg_style.red_float, bg_style.green_float, bg_style.blue_float) figure.set_facecolor(gtk_color) </code></pre> <p>You can then connect to the <code>realize</code> signal (maybe also the <code>map-event</code> signal, I didn't try) and re-colour the graph when the containing widget is created:</p> <pre><code>graph_panel.connect('realize', set_graph_appearance, graph.figure) </code></pre> <p>(Here, <code>graph_panel</code> is a <code>gtk.Alignment</code> and <code>graph</code> is a subclass of <code>FigureCanvasGTKAgg</code> that has a <code>figure</code> member as needed.)</p>

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