Merge pull request #1583 from mdboom/annotate_space

mdboom · mdboom · commit 422712d7eda9 · 2012-12-17T06:58:50.000-08:00
Crash with text.usetex=True and plt.annotate
diff --git a/lib/matplotlib/text.py b/lib/matplotlib/text.py
@@ -524,7 +524,7 @@ def draw(self, renderer):
         if renderer is not None:
             self._renderer = renderer
         if not self.get_visible(): return
-        if self.get_text()=='': return
+        if self.get_text().strip() == '': return
 
         renderer.open_group('text', self.get_gid())
 
@@ -740,7 +740,7 @@ def get_window_extent(self, renderer=None, dpi=None):
         if dpi is not None:
             dpi_orig = self.figure.dpi
             self.figure.dpi = dpi
-        if self.get_text() == '':
+        if self.get_text().strip() == '':
             tx, ty = self._get_xy_display()
             return Bbox.from_bounds(tx,ty,0,0)
 
@@ -1898,7 +1898,7 @@ def _update_position_xytext(self, renderer, xy_pixel):
                         props = props.copy() # don't want to alter the pad externally
                         pad = props.pop('pad', 4)
                         pad = renderer.points_to_pixels(pad)
-                        if self.get_text() == "":
+                        if self.get_text().strip() == "":
                             self.arrow_patch.set_patchA(None)
                             return
 
