def render(self, cr, area):
if self.cscore is None or self.cscore.sequence_cscores is None:
return
height = len(self.cscore.sequence_cscores)
first_seq, y_offset = divmod(float(height * area.y) / area.total_height, 1)
first_seq = int(first_seq)
last_seq = min(int(height * float(area.y + area.height) / area.total_height), height - 1)
n_seq = min(last_seq - first_seq + 1, height)
cr.rectangle(0, 0, area.width, area.height)
cr.clip()
cr.translate(-area.x, 0)
# Guide lines
cr.set_source_rgba(*Color(215, 215, 215, self.alpha).rgba)
v_quartile_guidelines(cr, area.height, area.y, area.total_width, area.total_height)
# Bar plot
v_bar(cr, self.gradient, self.alpha, self.cscore.sequence_cscores, first_seq, n_seq, area.y, area.total_width, area.total_height)
# Bottom line
cr.set_source_rgba(.7, .7, .7, self.alpha)
cr.set_dash([])
cr.set_line_width(0.5)
x = 0.25
if not vector_based(cr):
cr.set_line_width(1)
x = 0.5
cr.move_to(x, -1)
cr.line_to(x, area.height)
cr.stroke()
def render(self, cr, area):
if self._label_size is None:
return
detail = self.get_detail_size()
if area.total_height >= detail[1]:
return Labeler.render(self, cr, area)
# If we don't have enough space to draw legible labels we can at least do a label sized shading.
values = [float(i)/area.total_width for i in self._label_widths]
first_label, n_labels, yscale = get_view_extents(area.y, area.height, area.total_height, len(self.get_data()))
cr.rectangle(0, 0, area.width, area.height)
cr.clip()
cr.translate(-area.x + 1, 0)
v_bar(cr, None, None, values, first_label, n_labels, area.y, area.total_width, area.total_height)
if vector_based(cr):
cr.set_source_rgba(.85, .85, .85, self.alpha)
else:
cr.set_source(chequers((.5, .5, .5, self.alpha), (0, 0, 0, 0), 1))
cr.fill()
