SF.net SVN: matplotlib:[7937] trunk/matplotlib/lib/matplotlib

[<lee...@us...>]

Revision: 7937
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7937&view=rev
Author:   leejjoon
Date:     2009-11-04 17:53:25 +0000 (Wed, 04 Nov 2009)

Log Message:
-----------
add bbox_extra_artists keyword for savefig

Modified Paths:
--------------
    trunk/matplotlib/lib/matplotlib/backend_bases.py
    trunk/matplotlib/lib/matplotlib/figure.py

Modified: trunk/matplotlib/lib/matplotlib/backend_bases.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backend_bases.py	2009-11-04 17:30:12 UTC (rev 7936)
+++ trunk/matplotlib/lib/matplotlib/backend_bases.py	2009-11-04 17:53:25 UTC (rev 7937)
@@ -1536,11 +1536,26 @@
         *edgecolor*
             the edgecolor of the figure
 
-        *orientation*  '
+        *orientation*
             landscape' | 'portrait' (not supported on all backends)
 
         *format*
             when set, forcibly set the file format to save to
+
+
+        *bbox_inches*
+            Bbox in inches. Only the given portion of the figure is
+            saved. If 'tight', try to figure out the tight bbox of
+            the figure.
+
+        *pad_inches*
+            Amount of padding around the figure when bbox_inches is
+            'tight'.
+
+        *bbox_extra_artists*
+            A list of extra artists that will be considered when the
+            tight bbox is calculated.
+
         """
         if format is None:
             if cbook.is_string_like(filename):
@@ -1597,6 +1612,18 @@
                     **kwargs)
                 renderer = self.figure._cachedRenderer
                 bbox_inches = self.figure.get_tightbbox(renderer)
+
+                bb = [a.get_window_extent(renderer) for a in kwargs.pop("bbox_extra_artists", []) \
+                      if a.get_visible()]
+                if bb:
+                    _bbox = Bbox.union([b for b in bb if b.width!=0 or b.height!=0])
+
+                    bbox_inches1 = TransformedBbox(_bbox,
+                                                  Affine2D().scale(1./self.figure.dpi))
+
+                    bbox_inches = Bbox.union([bbox_inches, bbox_inches1])
+
+
                 pad = kwargs.pop("pad_inches", 0.1)
                 bbox_inches = bbox_inches.padded(pad)
 

Modified: trunk/matplotlib/lib/matplotlib/figure.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/figure.py	2009-11-04 17:30:12 UTC (rev 7936)
+++ trunk/matplotlib/lib/matplotlib/figure.py	2009-11-04 17:53:25 UTC (rev 7937)
@@ -1031,6 +1031,10 @@
             Amount of padding around the figure when bbox_inches is
             'tight'.
 
+          *bbox_extra_artists*:
+            A list of extra artists that will be considered when the
+            tight bbox is calculated.
+
         """
 
         for key in ('dpi', 'facecolor', 'edgecolor'):


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