def bbox_artist(artist, renderer, props=None, fill=True):
"""
This is a debug function to draw a rectangle around the bounding
box returned by get_window_extent of an artist, to test whether
the artist is returning the correct bbox
props is a dict of rectangle props with the additional property
'pad' that sets the padding around the bbox in points
"""
if props is None: props = {}
props = props.copy() # don't want to alter the pad externally
pad = props.pop('pad', 4)
pad = renderer.points_to_pixels(pad)
bbox = artist.get_window_extent(renderer)
l, b, w, h = bbox.get_bounds()
l -= pad / 2.
b -= pad / 2.
w += pad
h += pad
r = Rectangle(
xy=(l, b),
width=w,
height=h,
fill=fill,
)
r.set_clip_on(False)
r.update(props)
r.draw(renderer)
def bbox_artist(artist, renderer, props=None, fill=True):
"""
This is a debug function to draw a rectangle around the bounding
box returned by get_window_extent of an artist, to test whether
the artist is returning the correct bbox
props is a dict of rectangle props with the additional property
'pad' that sets the padding around the bbox in points
"""
if props is None: props = {}
props = props.copy() # don't want to alter the pad externally
pad = props.pop('pad', 4)
pad = renderer.points_to_pixels(pad)
bbox = artist.get_window_extent(renderer)
l,b,w,h = bbox.bounds
l-=pad/2.
b-=pad/2.
w+=pad
h+=pad
r = Rectangle(xy=(l,b),
width=w,
height=h,
fill=fill,
)
r.set_transform(transforms.IdentityTransform())
r.set_clip_on( False )
r.update(props)
r.draw(renderer)