Added savefig.bbox option to matplotlibrc

Allows the user to set the bounding box to 'tight,' which will override the defaults when saving from the interface.

Author: oxling

lib/matplotlib/backend_bases.py

@@ -230,6 +230,7 @@ def draw_quad_mesh(self, gc, master_transform, meshWidth, meshHeight,
         :meth:`draw_quad_mesh` that generates paths and then calls
         :meth:`draw_path_collection`.
         """
+
         from matplotlib.collections import QuadMesh
         paths = QuadMesh.convert_mesh_to_paths(
             meshWidth, meshHeight, coordinates)
@@ -2003,6 +2004,7 @@ def print_figure(self, filename, dpi=None, facecolor='w', edgecolor='w',
         if dpi is None:
             dpi = rcParams['savefig.dpi']
 
+
         origDPI = self.figure.dpi
         origfacecolor = self.figure.get_facecolor()
         origedgecolor = self.figure.get_edgecolor()
@@ -2011,7 +2013,7 @@ def print_figure(self, filename, dpi=None, facecolor='w', edgecolor='w',
         self.figure.set_facecolor(facecolor)
         self.figure.set_edgecolor(edgecolor)
 
-        bbox_inches = kwargs.pop("bbox_inches", None)
+        bbox_inches = kwargs.pop("bbox_inches", rcParams['savefig.bbox'])
 
         if bbox_inches:
             # call adjust_bbox to save only the given area

lib/matplotlib/rcsetup.py

@@ -325,6 +325,16 @@ def validate_hinting(s):
 validate_movie_frame_fmt = ValidateInStrings('animation.frame_format',
     ['png', 'jpeg', 'tiff', 'raw', 'rgba'])
 
+def validate_bbox(s):
+    if type(s) is str:
+        s = s.lower()
+    if s in ('tight'):
+        return s
+    if s in ('auto'):
+        return None
+    raise ValueError("bbox_inches should be 'auto' or 'tight'")
+
+
 
 class ValidateInterval:
     """
@@ -549,6 +559,7 @@ def __call__(self, s):
     'savefig.orientation' : ['portrait', validate_orientation],  # edgecolor; white
     'savefig.extension'   : ['png', deprecate_savefig_extension], # what to add to extensionless filenames
     'savefig.format'      : ['png', str], # value checked by backend at runtime
+    'savefig.bbox'        : [None, validate_bbox], # options are tight or auto. Auto validates to 'None'
 
     'tk.window_focus'    : [False, validate_bool],  # Maintain shell focus for TkAgg
     'tk.pythoninspect'   : [False, validate_tkpythoninspect],  # obsolete

matplotlibrc.template

@@ -350,6 +350,7 @@ text.hinting_factor : 8 # Specifies the amount of softness for hinting in the
 #savefig.facecolor : white    # figure facecolor when saving
 #savefig.edgecolor : white    # figure edgecolor when saving
 #savefig.format    : png      # png, ps, pdf, svg
+#savefig.bbox      : auto     # tight, auto. When set to 'tight', will set the figure's bounding box to 'tight' and recalculate. When set to 'auto', it will use the automatic bounding box calculation.
 
 # tk backend params
 #tk.window_focus   : False    # Maintain shell focus for TkAgg