def _draw_title(self, gc, label=None, axis_offset=None):
""" Draws the title for the axis.
"""
if label is None:
title_label = Label(text=self.title,
font=self.title_font,
color=self.title_color,
rotate_angle=self.title_angle)
else:
title_label = label
# get the _rotated_ bounding box of the label
tl_bounds = array(title_label.get_bounding_box(gc), float64)
text_center_to_corner = -tl_bounds/2.0
# which axis are we moving away from the axis line along?
axis_index = self._major_axis.argmin()
if self.title_spacing != 'auto':
axis_offset = self.title_spacing
if (self.title_spacing) and (axis_offset is None ):
if not self.ticklabel_cache:
axis_offset = 25
else:
axis_offset = max([l._bounding_box[axis_index] for l in self.ticklabel_cache]) * 1.3
offset = (self._origin_point+self._end_axis_point)/2
axis_dist = self.tick_out + tl_bounds[axis_index]/2.0 + axis_offset
offset -= self._inside_vector * axis_dist
offset += text_center_to_corner
gc.translate_ctm(*offset)
title_label.draw(gc)
gc.translate_ctm(*(-offset))
return
def _draw_title(self, gc, label=None, axis_offset=None):
""" Draws the title for the axis.
"""
if label is None:
title_label = Label(text=self.title,
font=self.title_font,
color=self.title_color,
rotate_angle=self.title_angle)
else:
title_label = label
# get the _rotated_ bounding box of the label
tl_bounds = array(title_label.get_bounding_box(gc), float64)
text_center_to_corner = -tl_bounds/2.0
# which axis are we moving away from the axis line along?
axis_index = self._major_axis.argmin()
if self.title_spacing != 'auto':
axis_offset = self.title_spacing
if (self.title_spacing) and (axis_offset is None ):
if not self.ticklabel_cache:
axis_offset = 25
else:
axis_offset = max([l._bounding_box[axis_index] for l in self.ticklabel_cache]) * 1.3
offset = (self._origin_point+self._end_axis_point)/2
axis_dist = self.tick_out + tl_bounds[axis_index]/2.0 + axis_offset
offset -= self._inside_vector * axis_dist
offset += text_center_to_corner
gc.translate_ctm(*offset)
title_label.draw(gc)
gc.translate_ctm(*(-offset))
return
def _compute_labels(self, gc):
"""Generates the labels for tick marks.
Overrides PlotAxis.
"""
try:
self.ticklabel_cache = []
for text in self._tick_label_list:
ticklabel = Label(text=text, font=self.tick_label_font,
color=self.tick_label_color,
rotate_angle=self.label_rotation)
self.ticklabel_cache.append(ticklabel)
self._tick_label_bounding_boxes = [array(ticklabel.get_bounding_box(gc), float64) for ticklabel in self.ticklabel_cache]
except:
print_exc()
return
def _compute_labels(self, gc):
"""Generates the labels for tick marks.
Overrides PlotAxis.
"""
try:
self.ticklabel_cache = []
for text in self._tick_label_list:
ticklabel = Label(text=text,
font=self.tick_label_font,
color=self.tick_label_color,
rotate_angle=self.label_rotation)
self.ticklabel_cache.append(ticklabel)
self._tick_label_bounding_boxes = [
array(ticklabel.get_bounding_box(gc), float64)
for ticklabel in self.ticklabel_cache
]
except:
print_exc()
return
