fix dpi-dependent behavior of text bbox & annotate arrow

leejjoon · leejjoon · commit d8e7aefec456 · 2008-12-18T08:55:50.000Z
svn path=/branches/v0_98_5_maint/; revision=6658
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,3 +1,6 @@
+2008-12-17 fix dpi-dependent behavior of text bbox and arrow in annotate
+            -JJL
+
 2008-12-16 Another attempt to fix dpi-dependent behavior of Legend. -JJL
 
 ======================================================================
diff --git a/lib/matplotlib/text.py b/lib/matplotlib/text.py
@@ -367,7 +367,8 @@ def get_bbox_patch(self):
 
 
     def update_bbox_position_size(self, renderer):
-        """ Update the location and the size of the bbox. This method
+        """
+        Update the location and the size of the bbox. This method
         should be used when the position and size of the bbox needs to
         be updated before actually drawing the bbox.
         """
@@ -395,8 +396,8 @@ def update_bbox_position_size(self, renderer):
             tr = mtransforms.Affine2D().rotate(theta)
             tr = tr.translate(posx+x_box, posy+y_box)
             self._bbox_patch.set_transform(tr)
-            fontsize = renderer.points_to_pixels(self.get_size())
-            self._bbox_patch.set_mutation_scale(fontsize)
+            fontsize_in_pixel = renderer.points_to_pixels(self.get_size())
+            self._bbox_patch.set_mutation_scale(fontsize_in_pixel)
             #self._bbox_patch.draw(renderer)
 
         else:
@@ -434,7 +435,8 @@ def _draw_bbox(self, renderer, posx, posy):
         tr = mtransforms.Affine2D().rotate(theta)
         tr = tr.translate(posx+x_box, posy+y_box)
         self._bbox_patch.set_transform(tr)
-        self._bbox_patch.set_mutation_scale(self.get_size())
+        fontsize_in_pixel = renderer.points_to_pixels(self.get_size())
+        self._bbox_patch.set_mutation_scale(fontsize_in_pixel)
         self._bbox_patch.draw(renderer)
 
 
@@ -1557,6 +1559,7 @@ def update_positions(self, renderer):
 
                 self.arrow_patch.set_positions((ox0, oy0), (ox1,oy1))
                 mutation_scale = d.pop("mutation_scale", self.get_size())
+                mutation_scale = renderer.points_to_pixels(mutation_scale)
                 self.arrow_patch.set_mutation_scale(mutation_scale)
 
                 if self._bbox_patch:
