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""" This module contains functions to handle markers. Used by both the marker functionality of `~matplotlib.axes.Axes.plot` and `~matplotlib.axes.Axes.scatter`.
All possible markers are defined here:
============================== =============================================== marker description ============================== =============================================== `"."` point `","` pixel `"o"` circle `"v"` triangle_down `"^"` triangle_up `"<"` triangle_left `">"` triangle_right `"1"` tri_down `"2"` tri_up `"3"` tri_left `"4"` tri_right `"8"` octagon `"s"` square `"p"` pentagon `"P"` plus (filled) `"*"` star `"h"` hexagon1 `"H"` hexagon2 `"+"` plus `"x"` x `"X"` x (filled) `"D"` diamond `"d"` thin_diamond `"|"` vline `"_"` hline TICKLEFT tickleft TICKRIGHT tickright TICKUP tickup TICKDOWN tickdown CARETLEFT caretleft (centered at tip) CARETRIGHT caretright (centered at tip) CARETUP caretup (centered at tip) CARETDOWN caretdown (centered at tip) CARETLEFTBASE caretleft (centered at base) CARETRIGHTBASE caretright (centered at base) CARETUPBASE caretup (centered at base) `"None"`, `" "` or `""` nothing ``'$...$'`` render the string using mathtext. `verts` a list of (x, y) pairs used for Path vertices. The center of the marker is located at (0,0) and the size is normalized. path a `~matplotlib.path.Path` instance. (`numsides`, `style`, `angle`) The marker can also be a tuple (`numsides`, `style`, `angle`), which will create a custom, regular symbol.
`numsides`: the number of sides
`style`: the style of the regular symbol:
0 a regular polygon 1 a star-like symbol 2 an asterisk 3 a circle (`numsides` and `angle` is ignored)
`angle`: the angle of rotation of the symbol ============================== ===============================================
For backward compatibility, the form (`verts`, 0) is also accepted, but it is equivalent to just `verts` for giving a raw set of vertices that define the shape.
`None` is the default which means 'nothing', however this table is referred to from other docs for the valid inputs from marker inputs and in those cases `None` still means 'default'. """
from __future__ import (absolute_import, division, print_function, unicode_literals)
import six from six.moves import xrange
from collections import Sized
import numpy as np
from . import rcParams from .cbook import is_math_text, is_numlike from .path import Path from .transforms import IdentityTransform, Affine2D
# special-purpose marker identifiers: (TICKLEFT, TICKRIGHT, TICKUP, TICKDOWN, CARETLEFT, CARETRIGHT, CARETUP, CARETDOWN, CARETLEFTBASE, CARETRIGHTBASE, CARETUPBASE, CARETDOWNBASE) = xrange(12)
_empty_path = Path(np.empty((0, 2)))
class MarkerStyle(object):
markers = { '.': 'point', ',': 'pixel', 'o': 'circle', 'v': 'triangle_down', '^': 'triangle_up', '<': 'triangle_left', '>': 'triangle_right', '1': 'tri_down', '2': 'tri_up', '3': 'tri_left', '4': 'tri_right', '8': 'octagon', 's': 'square', 'p': 'pentagon', '*': 'star', 'h': 'hexagon1', 'H': 'hexagon2', '+': 'plus', 'x': 'x', 'D': 'diamond', 'd': 'thin_diamond', '|': 'vline', '_': 'hline', 'P': 'plus_filled', 'X': 'x_filled', TICKLEFT: 'tickleft', TICKRIGHT: 'tickright', TICKUP: 'tickup', TICKDOWN: 'tickdown', CARETLEFT: 'caretleft', CARETRIGHT: 'caretright', CARETUP: 'caretup', CARETDOWN: 'caretdown', CARETLEFTBASE: 'caretleftbase', CARETRIGHTBASE: 'caretrightbase', CARETUPBASE: 'caretupbase', CARETDOWNBASE: 'caretdownbase', "None": 'nothing', None: 'nothing', ' ': 'nothing', '': 'nothing' }
# Just used for informational purposes. is_filled() # is calculated in the _set_* functions. filled_markers = ( 'o', 'v', '^', '<', '>', '8', 's', 'p', '*', 'h', 'H', 'D', 'd', 'P', 'X')
fillstyles = ('full', 'left', 'right', 'bottom', 'top', 'none') _half_fillstyles = ('left', 'right', 'bottom', 'top')
# TODO: Is this ever used as a non-constant? _point_size_reduction = 0.5
def __init__(self, marker=None, fillstyle=None): """ MarkerStyle
Attributes ---------- markers : list of known marks
fillstyles : list of known fillstyles
filled_markers : list of known filled markers.
Parameters ---------- marker : string or array_like, optional, default: None See the descriptions of possible markers in the module docstring.
fillstyle : string, optional, default: 'full' 'full', 'left", 'right', 'bottom', 'top', 'none' """ self._marker_function = None self.set_fillstyle(fillstyle) self.set_marker(marker)
def __getstate__(self): d = self.__dict__.copy() d.pop('_marker_function') return d
def __setstate__(self, statedict): self.__dict__ = statedict self.set_marker(self._marker)
def _recache(self): if self._marker_function is None: return self._path = _empty_path self._transform = IdentityTransform() self._alt_path = None self._alt_transform = None self._snap_threshold = None self._joinstyle = 'round' self._capstyle = 'butt' self._filled = True self._marker_function()
if six.PY3: def __bool__(self): return bool(len(self._path.vertices)) else: def __nonzero__(self): return bool(len(self._path.vertices))
def is_filled(self): return self._filled
def get_fillstyle(self): return self._fillstyle
def set_fillstyle(self, fillstyle): """ Sets fillstyle
Parameters ---------- fillstyle : string amongst known fillstyles """ if fillstyle is None: fillstyle = rcParams['markers.fillstyle'] if fillstyle not in self.fillstyles: raise ValueError("Unrecognized fillstyle %s" % ' '.join(self.fillstyles)) self._fillstyle = fillstyle self._recache()
def get_joinstyle(self): return self._joinstyle
def get_capstyle(self): return self._capstyle
def get_marker(self): return self._marker
def set_marker(self, marker): if (isinstance(marker, np.ndarray) and marker.ndim == 2 and marker.shape[1] == 2): self._marker_function = self._set_vertices elif (isinstance(marker, Sized) and len(marker) in (2, 3) and marker[1] in (0, 1, 2, 3)): self._marker_function = self._set_tuple_marker elif (not isinstance(marker, (np.ndarray, list)) and marker in self.markers): self._marker_function = getattr( self, '_set_' + self.markers[marker]) elif isinstance(marker, six.string_types) and is_math_text(marker): self._marker_function = self._set_mathtext_path elif isinstance(marker, Path): self._marker_function = self._set_path_marker else: try: Path(marker) self._marker_function = self._set_vertices except ValueError: raise ValueError('Unrecognized marker style' ' {0}'.format(marker))
self._marker = marker self._recache()
def get_path(self): return self._path
def get_transform(self): return self._transform.frozen()
def get_alt_path(self): return self._alt_path
def get_alt_transform(self): return self._alt_transform.frozen()
def get_snap_threshold(self): return self._snap_threshold
def _set_nothing(self): self._filled = False
def _set_custom_marker(self, path): verts = path.vertices rescale = max(np.max(np.abs(verts[:, 0])), np.max(np.abs(verts[:, 1]))) self._transform = Affine2D().scale(0.5 / rescale) self._path = path
def _set_path_marker(self): self._set_custom_marker(self._marker)
def _set_vertices(self): verts = self._marker marker = Path(verts) self._set_custom_marker(marker)
def _set_tuple_marker(self): marker = self._marker if is_numlike(marker[0]): if len(marker) == 2: numsides, rotation = marker[0], 0.0 elif len(marker) == 3: numsides, rotation = marker[0], marker[2] symstyle = marker[1] if symstyle == 0: self._path = Path.unit_regular_polygon(numsides) self._joinstyle = 'miter' elif symstyle == 1: self._path = Path.unit_regular_star(numsides) self._joinstyle = 'bevel' elif symstyle == 2: self._path = Path.unit_regular_asterisk(numsides) self._filled = False self._joinstyle = 'bevel' elif symstyle == 3: self._path = Path.unit_circle() self._transform = Affine2D().scale(0.5).rotate_deg(rotation) else: verts = np.asarray(marker[0]) path = Path(verts) self._set_custom_marker(path)
def _set_mathtext_path(self): """ Draws mathtext markers '$...$' using TextPath object.
Submitted by tcb """ from matplotlib.text import TextPath from matplotlib.font_manager import FontProperties
# again, the properties could be initialised just once outside # this function # Font size is irrelevant here, it will be rescaled based on # the drawn size later props = FontProperties(size=1.0) text = TextPath(xy=(0, 0), s=self.get_marker(), fontproperties=props, usetex=rcParams['text.usetex']) if len(text.vertices) == 0: return
xmin, ymin = text.vertices.min(axis=0) xmax, ymax = text.vertices.max(axis=0) width = xmax - xmin height = ymax - ymin max_dim = max(width, height) self._transform = Affine2D() \ .translate(-xmin + 0.5 * -width, -ymin + 0.5 * -height) \ .scale(1.0 / max_dim) self._path = text self._snap = False
def _half_fill(self): fs = self.get_fillstyle() result = fs in self._half_fillstyles return result
def _set_circle(self, reduction=1.0): self._transform = Affine2D().scale(0.5 * reduction) self._snap_threshold = np.inf fs = self.get_fillstyle() if not self._half_fill(): self._path = Path.unit_circle() else: # build a right-half circle if fs == 'bottom': rotate = 270. elif fs == 'top': rotate = 90. elif fs == 'left': rotate = 180. else: rotate = 0.
self._path = self._alt_path = Path.unit_circle_righthalf() self._transform.rotate_deg(rotate) self._alt_transform = self._transform.frozen().rotate_deg(180.)
def _set_pixel(self): self._path = Path.unit_rectangle() # Ideally, you'd want -0.5, -0.5 here, but then the snapping # algorithm in the Agg backend will round this to a 2x2 # rectangle from (-1, -1) to (1, 1). By offsetting it # slightly, we can force it to be (0, 0) to (1, 1), which both # makes it only be a single pixel and places it correctly # aligned to 1-width stroking (i.e. the ticks). This hack is # the best of a number of bad alternatives, mainly because the # backends are not aware of what marker is actually being used # beyond just its path data. self._transform = Affine2D().translate(-0.49999, -0.49999) self._snap_threshold = None
def _set_point(self): self._set_circle(reduction=self._point_size_reduction)
_triangle_path = Path( [[0.0, 1.0], [-1.0, -1.0], [1.0, -1.0], [0.0, 1.0]], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY]) # Going down halfway looks to small. Golden ratio is too far. _triangle_path_u = Path( [[0.0, 1.0], [-3 / 5., -1 / 5.], [3 / 5., -1 / 5.], [0.0, 1.0]], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY]) _triangle_path_d = Path( [[-3 / 5., -1 / 5.], [3 / 5., -1 / 5.], [1.0, -1.0], [-1.0, -1.0], [-3 / 5., -1 / 5.]], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY]) _triangle_path_l = Path( [[0.0, 1.0], [0.0, -1.0], [-1.0, -1.0], [0.0, 1.0]], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY]) _triangle_path_r = Path( [[0.0, 1.0], [0.0, -1.0], [1.0, -1.0], [0.0, 1.0]], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY])
def _set_triangle(self, rot, skip): self._transform = Affine2D().scale(0.5, 0.5).rotate_deg(rot) self._snap_threshold = 5.0 fs = self.get_fillstyle()
if not self._half_fill(): self._path = self._triangle_path else: mpaths = [self._triangle_path_u, self._triangle_path_l, self._triangle_path_d, self._triangle_path_r]
if fs == 'top': self._path = mpaths[(0 + skip) % 4] self._alt_path = mpaths[(2 + skip) % 4] elif fs == 'bottom': self._path = mpaths[(2 + skip) % 4] self._alt_path = mpaths[(0 + skip) % 4] elif fs == 'left': self._path = mpaths[(1 + skip) % 4] self._alt_path = mpaths[(3 + skip) % 4] else: self._path = mpaths[(3 + skip) % 4] self._alt_path = mpaths[(1 + skip) % 4]
self._alt_transform = self._transform
self._joinstyle = 'miter'
def _set_triangle_up(self): return self._set_triangle(0.0, 0)
def _set_triangle_down(self): return self._set_triangle(180.0, 2)
def _set_triangle_left(self): return self._set_triangle(90.0, 3)
def _set_triangle_right(self): return self._set_triangle(270.0, 1)
def _set_square(self): self._transform = Affine2D().translate(-0.5, -0.5) self._snap_threshold = 2.0 fs = self.get_fillstyle() if not self._half_fill(): self._path = Path.unit_rectangle() else: # build a bottom filled square out of two rectangles, one # filled. Use the rotation to support left, right, bottom # or top if fs == 'bottom': rotate = 0. elif fs == 'top': rotate = 180. elif fs == 'left': rotate = 270. else: rotate = 90.
self._path = Path([[0.0, 0.0], [1.0, 0.0], [1.0, 0.5], [0.0, 0.5], [0.0, 0.0]]) self._alt_path = Path([[0.0, 0.5], [1.0, 0.5], [1.0, 1.0], [0.0, 1.0], [0.0, 0.5]]) self._transform.rotate_deg(rotate) self._alt_transform = self._transform
self._joinstyle = 'miter'
def _set_diamond(self): self._transform = Affine2D().translate(-0.5, -0.5).rotate_deg(45) self._snap_threshold = 5.0 fs = self.get_fillstyle() if not self._half_fill(): self._path = Path.unit_rectangle() else: self._path = Path([[0.0, 0.0], [1.0, 0.0], [1.0, 1.0], [0.0, 0.0]]) self._alt_path = Path([[0.0, 0.0], [0.0, 1.0], [1.0, 1.0], [0.0, 0.0]])
if fs == 'bottom': rotate = 270. elif fs == 'top': rotate = 90. elif fs == 'left': rotate = 180. else: rotate = 0.
self._transform.rotate_deg(rotate) self._alt_transform = self._transform
self._joinstyle = 'miter'
def _set_thin_diamond(self): self._set_diamond() self._transform.scale(0.6, 1.0)
def _set_pentagon(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = 5.0
polypath = Path.unit_regular_polygon(5) fs = self.get_fillstyle()
if not self._half_fill(): self._path = polypath else: verts = polypath.vertices
y = (1 + np.sqrt(5)) / 4. top = Path([verts[0], verts[1], verts[4], verts[0]]) bottom = Path([verts[1], verts[2], verts[3], verts[4], verts[1]]) left = Path([verts[0], verts[1], verts[2], [0, -y], verts[0]]) right = Path([verts[0], verts[4], verts[3], [0, -y], verts[0]])
if fs == 'top': mpath, mpath_alt = top, bottom elif fs == 'bottom': mpath, mpath_alt = bottom, top elif fs == 'left': mpath, mpath_alt = left, right else: mpath, mpath_alt = right, left self._path = mpath self._alt_path = mpath_alt self._alt_transform = self._transform
self._joinstyle = 'miter'
def _set_star(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = 5.0
fs = self.get_fillstyle() polypath = Path.unit_regular_star(5, innerCircle=0.381966)
if not self._half_fill(): self._path = polypath else: verts = polypath.vertices
top = Path(np.vstack((verts[0:4, :], verts[7:10, :], verts[0]))) bottom = Path(np.vstack((verts[3:8, :], verts[3]))) left = Path(np.vstack((verts[0:6, :], verts[0]))) right = Path(np.vstack((verts[0], verts[5:10, :], verts[0])))
if fs == 'top': mpath, mpath_alt = top, bottom elif fs == 'bottom': mpath, mpath_alt = bottom, top elif fs == 'left': mpath, mpath_alt = left, right else: mpath, mpath_alt = right, left self._path = mpath self._alt_path = mpath_alt self._alt_transform = self._transform
self._joinstyle = 'bevel'
def _set_hexagon1(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = None
fs = self.get_fillstyle() polypath = Path.unit_regular_polygon(6)
if not self._half_fill(): self._path = polypath else: verts = polypath.vertices
# not drawing inside lines x = np.abs(np.cos(5 * np.pi / 6.)) top = Path(np.vstack(([-x, 0], verts[(1, 0, 5), :], [x, 0]))) bottom = Path(np.vstack(([-x, 0], verts[2:5, :], [x, 0]))) left = Path(verts[(0, 1, 2, 3), :]) right = Path(verts[(0, 5, 4, 3), :])
if fs == 'top': mpath, mpath_alt = top, bottom elif fs == 'bottom': mpath, mpath_alt = bottom, top elif fs == 'left': mpath, mpath_alt = left, right else: mpath, mpath_alt = right, left
self._path = mpath self._alt_path = mpath_alt self._alt_transform = self._transform
self._joinstyle = 'miter'
def _set_hexagon2(self): self._transform = Affine2D().scale(0.5).rotate_deg(30) self._snap_threshold = None
fs = self.get_fillstyle() polypath = Path.unit_regular_polygon(6)
if not self._half_fill(): self._path = polypath else: verts = polypath.vertices
# not drawing inside lines x, y = np.sqrt(3) / 4, 3 / 4. top = Path(verts[(1, 0, 5, 4, 1), :]) bottom = Path(verts[(1, 2, 3, 4), :]) left = Path(np.vstack(([x, y], verts[(0, 1, 2), :], [-x, -y], [x, y]))) right = Path(np.vstack(([x, y], verts[(5, 4, 3), :], [-x, -y])))
if fs == 'top': mpath, mpath_alt = top, bottom elif fs == 'bottom': mpath, mpath_alt = bottom, top elif fs == 'left': mpath, mpath_alt = left, right else: mpath, mpath_alt = right, left
self._path = mpath self._alt_path = mpath_alt self._alt_transform = self._transform
self._joinstyle = 'miter'
def _set_octagon(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = 5.0
fs = self.get_fillstyle() polypath = Path.unit_regular_polygon(8)
if not self._half_fill(): self._transform.rotate_deg(22.5) self._path = polypath else: x = np.sqrt(2.) / 4. half = Path([[0, -1], [0, 1], [-x, 1], [-1, x], [-1, -x], [-x, -1], [0, -1]])
if fs == 'bottom': rotate = 90. elif fs == 'top': rotate = 270. elif fs == 'right': rotate = 180. else: rotate = 0.
self._transform.rotate_deg(rotate) self._path = self._alt_path = half self._alt_transform = self._transform.frozen().rotate_deg(180.0)
self._joinstyle = 'miter'
_line_marker_path = Path([[0.0, -1.0], [0.0, 1.0]])
def _set_vline(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = 1.0 self._filled = False self._path = self._line_marker_path
def _set_hline(self): self._set_vline() self._transform = self._transform.rotate_deg(90)
_tickhoriz_path = Path([[0.0, 0.0], [1.0, 0.0]])
def _set_tickleft(self): self._transform = Affine2D().scale(-1.0, 1.0) self._snap_threshold = 1.0 self._filled = False self._path = self._tickhoriz_path
def _set_tickright(self): self._transform = Affine2D().scale(1.0, 1.0) self._snap_threshold = 1.0 self._filled = False self._path = self._tickhoriz_path
_tickvert_path = Path([[-0.0, 0.0], [-0.0, 1.0]])
def _set_tickup(self): self._transform = Affine2D().scale(1.0, 1.0) self._snap_threshold = 1.0 self._filled = False self._path = self._tickvert_path
def _set_tickdown(self): self._transform = Affine2D().scale(1.0, -1.0) self._snap_threshold = 1.0 self._filled = False self._path = self._tickvert_path
_tri_path = Path([[0.0, 0.0], [0.0, -1.0], [0.0, 0.0], [0.8, 0.5], [0.0, 0.0], [-0.8, 0.5]], [Path.MOVETO, Path.LINETO, Path.MOVETO, Path.LINETO, Path.MOVETO, Path.LINETO])
def _set_tri_down(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = 5.0 self._filled = False self._path = self._tri_path
def _set_tri_up(self): self._set_tri_down() self._transform = self._transform.rotate_deg(180)
def _set_tri_left(self): self._set_tri_down() self._transform = self._transform.rotate_deg(270)
def _set_tri_right(self): self._set_tri_down() self._transform = self._transform.rotate_deg(90)
_caret_path = Path([[-1.0, 1.5], [0.0, 0.0], [1.0, 1.5]])
def _set_caretdown(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = 3.0 self._filled = False self._path = self._caret_path self._joinstyle = 'miter'
def _set_caretup(self): self._set_caretdown() self._transform = self._transform.rotate_deg(180)
def _set_caretleft(self): self._set_caretdown() self._transform = self._transform.rotate_deg(270)
def _set_caretright(self): self._set_caretdown() self._transform = self._transform.rotate_deg(90)
_caret_path_base = Path([[-1.0, 0.0], [0.0, -1.5], [1.0, 0]])
def _set_caretdownbase(self): self._set_caretdown() self._path = self._caret_path_base
def _set_caretupbase(self): self._set_caretdownbase() self._transform = self._transform.rotate_deg(180)
def _set_caretleftbase(self): self._set_caretdownbase() self._transform = self._transform.rotate_deg(270)
def _set_caretrightbase(self): self._set_caretdownbase() self._transform = self._transform.rotate_deg(90)
_plus_path = Path([[-1.0, 0.0], [1.0, 0.0], [0.0, -1.0], [0.0, 1.0]], [Path.MOVETO, Path.LINETO, Path.MOVETO, Path.LINETO])
def _set_plus(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = 1.0 self._filled = False self._path = self._plus_path
_x_path = Path([[-1.0, -1.0], [1.0, 1.0], [-1.0, 1.0], [1.0, -1.0]], [Path.MOVETO, Path.LINETO, Path.MOVETO, Path.LINETO])
def _set_x(self): self._transform = Affine2D().scale(0.5) self._snap_threshold = 3.0 self._filled = False self._path = self._x_path
_plus_filled_path = Path([(1/3, 0), (2/3, 0), (2/3, 1/3), (1, 1/3), (1, 2/3), (2/3, 2/3), (2/3, 1), (1/3, 1), (1/3, 2/3), (0, 2/3), (0, 1/3), (1/3, 1/3), (1/3, 0)], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY])
_plus_filled_path_t = Path([(1, 1/2), (1, 2/3), (2/3, 2/3), (2/3, 1), (1/3, 1), (1/3, 2/3), (0, 2/3), (0, 1/2), (1, 1/2)], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY])
def _set_plus_filled(self): self._transform = Affine2D().translate(-0.5, -0.5) self._snap_threshold = 5.0 self._joinstyle = 'miter' fs = self.get_fillstyle() if not self._half_fill(): self._path = self._plus_filled_path else: # Rotate top half path to support all partitions if fs == 'top': rotate, rotate_alt = 0, 180 elif fs == 'bottom': rotate, rotate_alt = 180, 0 elif fs == 'left': rotate, rotate_alt = 90, 270 else: rotate, rotate_alt = 270, 90
self._path = self._plus_filled_path_t self._alt_path = self._plus_filled_path_t self._alt_transform = Affine2D().translate(-0.5, -0.5) self._transform.rotate_deg(rotate) self._alt_transform.rotate_deg(rotate_alt)
_x_filled_path = Path([(0.25, 0), (0.5, 0.25), (0.75, 0), (1, 0.25), (0.75, 0.5), (1, 0.75), (0.75, 1), (0.5, 0.75), (0.25, 1), (0, 0.75), (0.25, 0.5), (0, 0.25), (0.25, 0)], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY])
_x_filled_path_t = Path([(0.75, 0.5), (1, 0.75), (0.75, 1), (0.5, 0.75), (0.25, 1), (0, 0.75), (0.25, 0.5), (0.75, 0.5)], [Path.MOVETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY])
def _set_x_filled(self): self._transform = Affine2D().translate(-0.5, -0.5) self._snap_threshold = 5.0 self._joinstyle = 'miter' fs = self.get_fillstyle() if not self._half_fill(): self._path = self._x_filled_path else: # Rotate top half path to support all partitions if fs == 'top': rotate, rotate_alt = 0, 180 elif fs == 'bottom': rotate, rotate_alt = 180, 0 elif fs == 'left': rotate, rotate_alt = 90, 270 else: rotate, rotate_alt = 270, 90
self._path = self._x_filled_path_t self._alt_path = self._x_filled_path_t self._alt_transform = Affine2D().translate(-0.5, -0.5) self._transform.rotate_deg(rotate) self._alt_transform.rotate_deg(rotate_alt) |