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list_instructions = self._markers.get(dictkey)
# creating a list of instructions for the specific marker.
if list_instructions is None:
if _mpl_ge_2_0:
polygons = marker_path.to_polygons(marker_trans, closed_only=False)
else:
polygons = marker_path.to_polygons(marker_trans)
self._markers[dictkey] = self.get_path_instructions(gc,
polygons, rgbFace=rgbFace)
# Traversing all the positions where a marker should be rendered
for vertices, codes in path.iter_segments(trans, simplify=False):
if len(vertices):
x, y = vertices[-2:]
for widget, instructions in self._markers[dictkey]:
widget.canvas.add(PushMatrix())
widget.canvas.add(Translate(x, y))
widget.canvas.add(instructions)
widget.canvas.add(PopMatrix())
def flipy(self):
return False
def _convert_path(self, path, transform=None, clip=None, simplify=None,
sketch=None):
if clip:
clip = (0.0, 0.0, self.width, self.height)
else:
clip = None
if _mpl_ge_1_5:
return _path.convert_to_string(
path, transform, clip, simplify, sketch, 6,
[b'M', b'L', b'Q', b'C', b'z'], False).decode('ascii')
else:
return _path.convert_to_svg(path, transform, clip, simplify, 6)
def get_canvas_width_height(self):
'''Get the actual width and height of the widget.
'''
return self.widget.width, self.widget.height
def get_text_width_height_descent(self, s, prop, ismath):
'''This method is needed specifically to calculate text positioning
in the canvas. Matplotlib needs the size to calculate the points
according to their layout
'''
if ismath:
ftimage, depth = self.mathtext_parser.parse(s, self.dpi, prop)
w = ftimage.get_width()
h = ftimage.get_height()
return w, h, depth
font = resource_find(prop.get_name() + ".ttf")
if font is None:
plot_text = CoreLabel(font_size=prop.get_size_in_points())
else:
plot_text = CoreLabel(font_size=prop.get_size_in_points(),
font_name=prop.get_name())
plot_text.text = six.text_type("{}".format(s))
plot_text.refresh()
return plot_text.texture.size[0], plot_text.texture.size[1], 1
def new_gc(self):
'''Instantiate a GraphicsContextKivy object
'''
return GraphicsContextKivy(self.widget)
def points_to_pixels(self, points):
return points / 72.0 * self.dpi
def weight_as_number(self, weight):
''' Replaces the deprecated matplotlib function of the same name
'''
# Return if number
if isinstance(weight, numbers.Number):
return weight
# else use the mapping of matplotlib 2.2
elif weight == 'ultralight':
return 100
elif weight == 'light':
return 200
elif weight == 'normal':
return 400
elif weight == 'regular':
return 400
elif weight == 'book':
return 500
elif weight == 'medium':
return 500
elif weight == 'roman':
return 500
elif weight == 'semibold':
return 600
elif weight == 'demibold':
return 600
elif weight == 'demi':
return 600
elif weight == 'bold':
return 700
elif weight == 'heavy':
return 800
elif weight == 'extra bold':