def on_render(self, cvs, system):
Box.on_render(self, cvs, system)
Atom.on_render(self, cvs, system)
n = self.n_top + self.n_bot
if n == 0:
return
y = system[self.y]
top = system[self.top] + PIP
bot = system[self.bot] + PIP
y_top = y + top
y_bot = y - bot
x_mid, y_mid = self.get_align("center")
x0, y0 = system[x_mid], system[y_mid]
x_top = [system[x] for x in self.x_top]
x_bot = [system[x] for x in self.x_bot]
x0 = self._get_pipx(x_top, x_bot)
conv = lambda x0, x1, t: (1. - t) * x0 + t * x1
top_attrs = self.top_attrs
bot_attrs = self.bot_attrs
trace = self.trace
trace["top"] = []
trace["bot"] = []
y3 = y_top
for x3, attrs in zip(x_top, top_attrs):
x2, y2 = x3, conv(y3, y0, 0.3)
x1, y1 = conv(x0, x3, 0.7), conv(y3, y0, 0.7)
p = path.curve(x3, y3, x2, y2, x1, y1, x0, y0)
trace["top"].append(p)
cvs.stroke(p, attrs)
y3 = y_bot
for x3, attrs in zip(x_bot, bot_attrs):
x2, y2 = x3, conv(y3, y0, 0.3)
x1, y1 = conv(x0, x3, 0.7), conv(y3, y0, 0.7)
p = path.curve(x0, y0, x1, y1, x2, y2, x3, y3)
trace["bot"].append(p)
cvs.stroke(p, attrs)
#cvs.fill(path.circle(x0, y0, 0.04))
if self.pip is not None:
self.pip.render(cvs, x0, y0)
def on_render(self, cvs, system):
Multi.on_render(self, cvs, system)
y = system[self.y]
top = system[self.top] + PIP
bot = system[self.bot] + PIP
y_top = y+top
y_bot = y-bot
y_mid = conv(self.lly, self.ury)
y_mid = system[y_mid]
x_top = [system[x] for x in self.x_top]
x_bot = [system[x] for x in self.x_bot]
x_mid = conv(x_bot[0], x_bot[1])
alpha = self.space
under = self.inverse
x0, x1 = x_bot[1], x_top[0]
for i0, i1 in [(0, 1), (1, 0)]:
x0, x1 = x_bot[i0], x_top[i1]
if under:
# I think this is de Casteljau subdivision...
xt, yt = conv(x0, x1, 0.25), conv(y_bot, y_mid, 0.75) # control point
p = path.curve(
x0, y_bot,
x0, conv(y_bot, y_mid),
xt, yt,
conv(xt, x_mid, alpha), conv(yt, y_mid, alpha))
cvs.stroke(p)
xt, yt = conv(x0, x1, 0.75), conv(y_mid, y_top, 0.25) # control point
p = path.curve(
conv(xt, x_mid, alpha), conv(yt, y_mid, alpha),
xt, yt,
x1, conv(y_mid, y_top),
x1, y_top)
cvs.stroke(p)
else:
p = path.curve(x0, y_bot, x0, y_mid, x1, y_mid, x1, y_top)
cvs.stroke(p)
under = not under
def on_render(self, cvs, system):
Multi.on_render(self, cvs, system)
n = self.n_top + self.n_bot
if n==0:
return
y = system[self.y]
top = system[self.top] + PIP
bot = system[self.bot] + PIP
y_top = y+top
y_bot = y-bot
x_mid, y_mid = self.get_align("center")
x_mid, y_mid = system[x_mid], system[y_mid]
x_top = [system[x] for x in self.x_top]
x_bot = [system[x] for x in self.x_bot]
x_avg = (1./n)*sum(x_top + x_bot)
attrs = self.attrs
top_attrs = self.top_attrs
bot_attrs = self.bot_attrs
conv = lambda x0, x1, t=0.5: (1.-t)*x0 + t*x1
for (i_top, j_top) in self.toptop:
x0 = x_top[i_top]
x1 = x_top[j_top]
#cvs.stroke(path.curve(x0, y_bot, x0, y_mid, x1, y_mid, x1, y_top))
x = conv(x0, x1)
r = 0.5*(x1-x0)
cvs.stroke(path.arc(x, y_top, r, pi, 2*pi),
attrs + top_attrs[i_top])
for (i_top, i_bot) in self.topbot:
x0 = x_bot[i_bot]
x1 = x_top[i_top]
cvs.stroke(path.curve(x0, y_bot, x0, y_mid, x1, y_mid, x1, y_top),
attrs + top_attrs[i_top] + bot_attrs[i_bot])
for (i_bot, j_bot) in self.botbot:
x0 = x_bot[i_bot]
x1 = x_bot[j_bot]
x = conv(x0, x1)
r = 0.5*(x1-x0)
cvs.stroke(path.arc(x, y_bot, r, 0, pi),
attrs + bot_attrs[i_bot])