fix legend_handler.HandlerNpoints.get_xdata of wrong xdescent interpretation.

leejjoon · Julian Mehne · commit 766efaaa0176 · 2016-03-19T09:46:07.000+01:00
diff --git a/lib/matplotlib/legend_handler.py b/lib/matplotlib/legend_handler.py
@@ -150,13 +150,14 @@ def get_xdata(self, legend, xdescent, ydescent, width, height, fontsize):
         if numpoints > 1:
             # we put some pad here to compensate the size of the
             # marker
-            xdata = np.linspace(-xdescent + self._marker_pad * fontsize,
-                                width - self._marker_pad * fontsize,
+            pad = self._marker_pad * fontsize
+            xdata = np.linspace(-xdescent + pad,
+                                -xdescent + width - pad,
                                 numpoints)
             xdata_marker = xdata
         elif numpoints == 1:
-            xdata = np.linspace(-xdescent, width, 2)
-            xdata_marker = [0.5 * width - 0.5 * xdescent]
+            xdata = np.linspace(-xdescent, -xdescent+width, 2)
+            xdata_marker = [-xdescent + 0.5 * width]
 
         return xdata, xdata_marker
 
