def make_stride_figure(c, lowerstride, uperstride=1, nrentries=6):
ht = 0.5
wd = 2
dist = 0.2
textcolor = color.hsb(0.02, 1, 0.6)
for n in range(nrentries):
x = n * (wd + dist)
c.stroke(path.rect(x, 0, wd, ht))
c.text(x + 0.5 * wd, 0.5 * ht, str(n),
[text.halign.center, text.valign.middle])
for n in range(nrentries - 1):
x = n * (wd + dist)
c.stroke(
path.curve(x - dist / 3, ht + 0.5 * dist, x + 0.3 * wd,
ht + 3 * dist, x + 0.7 * wd, ht + 3 * dist,
x + wd + dist / 3, ht + 0.5 * dist),
[deco.earrow.large])
c.text(x + 0.5 * wd, ht + 3.2 * dist, r'\Large 8',
[text.halign.center, textcolor])
if lowerstride:
for n in range((nrentries - 1) // lowerstride):
x = n * lowerstride * (wd + dist)
c.stroke(
path.curve(x - dist / 3, -0.5 * dist, x + 0.5 * wd, -5 * dist,
x + (lowerstride - 0.5) * wd + lowerstride * dist,
-5 * dist,
x + lowerstride * wd + (lowerstride - 0.7) * dist,
-0.5 * dist), [deco.earrow.large])
c.text(x + 0.5 * lowerstride * wd + dist, -5.2 * dist,
r'\Large %i' % (lowerstride * 8),
[text.halign.center, text.valign.top, textcolor])
def make_stride_figure(c, lowerstride, uperstride=1, nrentries=6):
ht = 0.5
wd = 2
dist = 0.2
textcolor = color.hsb(0.02, 1, 0.6)
for n in range(nrentries):
x = n*(wd+dist)
c.stroke(path.rect(x, 0, wd, ht))
c.text(x+0.5*wd, 0.5*ht, str(n), [text.halign.center, text.valign.middle])
for n in range(nrentries-1):
x = n*(wd+dist)
c.stroke(path.curve(x-dist/3, ht+0.5*dist,
x+0.3*wd, ht+3*dist,
x+0.7*wd, ht+3*dist,
x+wd+dist/3, ht+0.5*dist),
[deco.earrow.large])
c.text(x+0.5*wd, ht+3.2*dist, r'\Large 8', [text.halign.center, textcolor])
if lowerstride:
for n in range((nrentries-1)//lowerstride):
x = n*lowerstride*(wd+dist)
c.stroke(path.curve(x-dist/3, -0.5*dist,
x+0.5*wd, -5*dist,
x+(lowerstride-0.5)*wd+lowerstride*dist, -5*dist,
x+lowerstride*wd+(lowerstride-0.7)*dist, -0.5*dist),
[deco.earrow.large])
c.text(x+0.5*lowerstride*wd+dist,-5.2*dist, r'\Large %i' % (lowerstride*8),
[text.halign.center, text.valign.top, textcolor])
def rect(self, x, y, width, height, roundness=0.0, draw=True, **kwargs):
"""Draw a rectangle.
:param x: top left x-coordinate
:param y: top left y-coordinate
:param width: rectangle width
:param height: rectangle height
:param roundness: rounded corner radius
:param boolean draw: whether to draw the shape on the canvas or not
:param fill: fill color
:return: BezierPath representing the rectangle
"""
path = self.BezierPath(**kwargs)
path.rect(x, y, width, height, roundness, self.rectmode)
if draw:
path.draw()
return path
def rect(self, x, y, width, height, roundness=0.0, draw=True, **kwargs):
'''
Draw a rectangle from x, y of width, height.
:param startx: top left x-coordinate
:param starty: top left y-coordinate
:param width: height Size of rectangle.
:roundness: Corner roundness defaults to 0.0 (a right-angle).
:draw: If True draws immediately.
:fill: Optionally pass a fill color.
:return: path representing the rectangle.
'''
path = self.BezierPath(**kwargs)
path.rect(x, y, width, height, roundness, self.rectmode)
if draw:
path.draw()
return path
def rect(self, x, y, width, height, roundness=0.0, draw=True, **kwargs):
'''
Draw a rectangle from x, y of width, height.
:param startx: top left x-coordinate
:param starty: top left y-coordinate
:param width: height Size of rectangle.
:roundness: Corner roundness defaults to 0.0 (a right-angle).
:draw: If True draws immediately.
:fill: Optionally pass a fill color.
:return: path representing the rectangle.
'''
path = self.BezierPath(**kwargs)
path.rect(x, y, width, height, roundness, self.rectmode)
if draw:
path.draw()
return path
def clipBox(self, x, y, width, height):
path = self.c.beginPath()
path.rect(x, y, width, height)
self.c.clipPath(path, stroke = 1, fill = 0)
