def finalize_offset(self):
loc_in_canvas = self.get_loc_in_canvas()
bbox = self.legend.get_bbox_to_anchor()
_bbox_transform = BboxTransformFrom(bbox)
self.legend._loc = tuple(
_bbox_transform.transform_point(loc_in_canvas))
def _update_loc(self, loc_in_canvas):
bbox = self.legend.get_bbox_to_anchor()
# if bbox has zero width or height, the transformation is
# ill-defined. Fall back to the default bbox_to_anchor.
if bbox.width == 0 or bbox.height == 0:
self.legend.set_bbox_to_anchor(None)
bbox = self.legend.get_bbox_to_anchor()
_bbox_transform = BboxTransformFrom(bbox)
self.legend._loc = tuple(_bbox_transform.transform(loc_in_canvas))
def _update_loc(self, loc_in_canvas):
bbox = self.legend.get_bbox_to_anchor()
# if bbox has zero width or height, the transformation is
# ill-defined. Fall back to the defaul bbox_to_anchor.
if bbox.width ==0 or bbox.height ==0:
self.legend.set_bbox_to_anchor(None)
bbox = self.legend.get_bbox_to_anchor()
_bbox_transform = BboxTransformFrom(bbox)
self.legend._loc = tuple(_bbox_transform.transform_point(loc_in_canvas))
def finalize_offset(self):
loc_in_canvas = self.get_loc_in_canvas()
bbox = self.legend.get_bbox_to_anchor()
# if bbox has zero width or height, the transformation is
# ill-defined. Fall back to the defaul bbox_to_anchor.
if bbox.width == 0 or bbox.height == 0:
self.legend.set_bbox_to_anchor(None)
bbox = self.legend.get_bbox_to_anchor()
_bbox_transform = BboxTransformFrom(bbox)
self.legend._loc = tuple(
_bbox_transform.transform_point(loc_in_canvas))
def get_transform(self):
# If we don't override this, the transform includes LogTransforms
# and the final image gets warped to be 'correct' in data space
# since Matplotlib 2.x:
#
# https://matplotlib.org/users/prev_whats_new/whats_new_2.0.0.html#non-linear-scales-on-image-plots
#
# However, we want pixels to always visually be the same size, so we
# override the transform to not include the LogTransform components.
xmin, xmax = self._ax.get_xlim()
ymin, ymax = self._ax.get_ylim()
bbox = BboxTransformFrom(TransformedBbox(Bbox([[xmin, ymin], [xmax, ymax]]),
IDENTITY))
return bbox + self._ax.transAxes
def create_artists(self, legend, orig_handle, xdescent, ydescent, width,
height, fontsize, trans):
legline, _ = HandlerLine2D.create_artists(self, legend, orig_handle,
xdescent, ydescent, width,
height, fontsize, trans)
legline.set_data(*orig_handle.get_data())
ext = mpath.get_paths_extents([orig_handle.get_path()])
if ext.width == 0:
ext.x0 -= 0.1
ext.x1 += 0.1
bbox0 = BboxTransformFrom(ext)
bbox1 = BboxTransformTo(
Bbox.from_bounds(xdescent, ydescent, width, height))
legline.set_transform(bbox0 + bbox1 + trans)
return legline,
def __init__(self, object=None, anchor='bl', spacing=12):
if isinstance(object, plt.Figure):
fig = object
elif hasattr(object, 'figure'):
fig = object.figure
else:
raise Exception('Cannot find figure from object')
self.obj = object
self.fig = fig
self.spacing = spacing
self.anchor = anchor
self.fig_pos = fig.bbox._points
self.obj_pos = self.get_object_position()
bbox = self.get_bbox()
super().__init__(BboxTransformFrom(bbox), self.fig.transFigure)
def finalize_offset(self):
loc_in_canvas = self.get_loc_in_canvas()
bbox = self.legend.get_bbox_to_anchor()
_bbox_transform = BboxTransformFrom(bbox)
self.legend._loc = tuple(_bbox_transform.transform_point(loc_in_canvas))
