class BezierPath(Line2D):
def __init__(self, path, *args, **kwargs):
"""
Parameters
----------
path : `~.path.Path`
The path to draw.
**kwargs
All remaining keyword arguments are passed to `.Line2D`.
"""
Line2D.__init__(self, [], [], *args, **kwargs)
self._path = path
self._invalid = False
def recache(self):
self._transformed_path = TransformedPath(self._path,
self.get_transform())
self._invalid = False
def set_path(self, path):
self._path = path
self._invalid = True
def draw(self, renderer):
if self._invalid:
self.recache()
if not self._visible:
return
renderer.open_group('line2d', gid=self.get_gid())
gc = renderer.new_gc()
self._set_gc_clip(gc)
gc.set_foreground(self._color)
gc.set_antialiased(self._antialiased)
gc.set_linewidth(self._linewidth)
gc.set_alpha(self._alpha)
if self.is_dashed():
cap = self._dashcapstyle
join = self._dashjoinstyle
else:
cap = self._solidcapstyle
join = self._solidjoinstyle
gc.set_joinstyle(join)
gc.set_capstyle(cap)
gc.set_dashes(self._dashOffset, self._dashSeq)
if self._lineStyles[self._linestyle] != '_draw_nothing':
tpath, affine = (
self._transformed_path.get_transformed_path_and_affine())
renderer.draw_path(gc, tpath, affine.frozen())
gc.restore()
renderer.close_group('line2d')
def _get_display_coordination(artist):
"""
Ref: matplotlib.lines.Line2D.contains
It is intended to transform the coordination system
to ``display``.
Is it really necessary?
"""
transformed_path = TransformedPath(artist.get_path(),
artist.get_transform())
path, affine = transformed_path.get_transformed_path_and_affine()
path = affine.transform_path(path)
xy = path.vertices
return xy
class BezierPath(mlines.Line2D):
def __init__(self, path, *kl, **kw):
mlines.Line2D.__init__(self, [], [], *kl, **kw)
self._path = path
self._invalid = False
def recache(self):
self._transformed_path = TransformedPath(self._path, self.get_transform())
self._invalid = False
def set_path(self, path):
self._path = path
self._invalid = True
def draw(self, renderer):
if self._invalid:
self.recache()
renderer.open_group('line2d')
if not self._visible: return
gc = renderer.new_gc()
self._set_gc_clip(gc)
gc.set_foreground(self._color)
gc.set_antialiased(self._antialiased)
gc.set_linewidth(self._linewidth)
gc.set_alpha(self._alpha)
if self.is_dashed():
cap = self._dashcapstyle
join = self._dashjoinstyle
else:
cap = self._solidcapstyle
join = self._solidjoinstyle
gc.set_joinstyle(join)
gc.set_capstyle(cap)
funcname = self._lineStyles.get(self._linestyle, '_draw_nothing')
if funcname != '_draw_nothing':
tpath, affine = self._transformed_path.get_transformed_path_and_affine()
lineFunc = getattr(self, funcname)
lineFunc(renderer, gc, tpath, affine.frozen())
gc.restore()
renderer.close_group('line2d')
class BezierPath(mlines.Line2D):
def __init__(self, path, *kl, **kw):
mlines.Line2D.__init__(self, [], [], *kl, **kw)
self._path = path
self._invalid = False
def recache(self):
self._transformed_path = TransformedPath(self._path, self.get_transform())
self._invalid = False
def set_path(self, path):
self._path = path
self._invalid = True
def draw(self, renderer):
if self._invalid:
self.recache()
if not self._visible: return
renderer.open_group('line2d')
gc = renderer.new_gc()
self._set_gc_clip(gc)
gc.set_foreground(self._color)
gc.set_antialiased(self._antialiased)
gc.set_linewidth(self._linewidth)
gc.set_alpha(self._alpha)
if self.is_dashed():
cap = self._dashcapstyle
join = self._dashjoinstyle
else:
cap = self._solidcapstyle
join = self._solidjoinstyle
gc.set_joinstyle(join)
gc.set_capstyle(cap)
gc.set_dashes(self._dashOffset, self._dashSeq)
if self._lineStyles[self._linestyle] != '_draw_nothing':
tpath, affine = (
self._transformed_path.get_transformed_path_and_affine())
renderer.draw_path(gc, tpath, affine.frozen())
gc.restore()
renderer.close_group('line2d')
class BezierPath(Line2D):
def __init__(self, path, *args, **kwargs):
Line2D.__init__(self, [], [], *args, **kwargs)
self._path = path
self._invalid = False
def recache(self):
self._transformed_path = TransformedPath(
self._path, self.get_transform())
self._invalid = False
def set_path(self, path):
self._path = path
self._invalid = True
def draw(self, renderer):
if self._invalid:
self.recache()
if not self._visible:
return
renderer.open_group('line2d')
gc = renderer.new_gc()
self._set_gc_clip(gc)
gc.set_foreground(self._color)
gc.set_antialiased(self._antialiased)
gc.set_linewidth(self._linewidth)
gc.set_alpha(self._alpha)
if self.is_dashed():
cap = self._dashcapstyle
join = self._dashjoinstyle
else:
cap = self._solidcapstyle
join = self._solidjoinstyle
gc.set_joinstyle(join)
gc.set_capstyle(cap)
gc.set_dashes(self._dashOffset, self._dashSeq)
if self._lineStyles[self._linestyle] != '_draw_nothing':
tpath, affine = (
self._transformed_path.get_transformed_path_and_affine())
renderer.draw_path(gc, tpath, affine.frozen())
gc.restore()
renderer.close_group('line2d')
