Do not allow extents outside the image and add a path property

blink1073 · blink1073 · commit 600c0c77858a · 2014-12-19T15:51:49.000-06:00
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
@@ -1845,6 +1845,13 @@ def draw_shape(self, extents):
         x0, x1, y0, y1 = extents
         xmin, xmax = sorted([x0, x1])
         ymin, ymax = sorted([y0, y1])
+        xlim = self.ax.get_xlim()
+        ylim = self.ax.get_ylim()
+
+        xmin = max(xlim[0], xmin)
+        ymin = max(ylim[0], ymin)
+        xmax = min(xmax, xlim[1])
+        ymax = min(ymax, ylim[1])
 
         if self.drawtype == 'patch':
             self.to_draw.set_x(xmin)
@@ -1887,6 +1894,10 @@ def _set_active_handle(self, event):
             y1, y2 = y2, event.ydata
         self._extents_on_press = x1, x2, y1, y2
 
+    @property
+    def path(self):
+        return self.to_draw.get_path()
+
 
 class EllipseSelector(RectangleSelector):
 
