legend.facecolor and edgecolor default to None

Marek Rudnicki · Marek Rudnicki · commit 9bf8d02addcc · 2014-11-14T01:52:08.000+01:00
diff --git a/lib/matplotlib/legend.py b/lib/matplotlib/legend.py
@@ -346,10 +346,21 @@ def __init__(self, parent, handles, labels,
         # We use FancyBboxPatch to draw a legend frame. The location
         # and size of the box will be updated during the drawing time.
 
+        if rcParams["legend.facecolor"] is None:
+            facecolor = rcParams["axes.facecolor"]
+        else:
+            facecolor = rcParams["legend.facecolor"]
+
+        if rcParams["legend.edgecolor"] is None:
+            edgecolor = rcParams["axes.edgecolor"]
+        else:
+            edgecolor = rcParams["legend.edgecolor"]
+
+
         self.legendPatch = FancyBboxPatch(
             xy=(0.0, 0.0), width=1., height=1.,
-            facecolor=rcParams["legend.facecolor"],
-            edgecolor=rcParams["legend.edgecolor"],
+            facecolor=facecolor,
+            edgecolor=edgecolor,
             mutation_scale=self._fontsize,
             snap=True
             )
