def dopath(ps, extra=[], fill=[], closepath=True, smooth=0.3):
ps = [path.moveto(*ps[0])]+[path.lineto(*p) for p in ps[1:]]
if closepath:
ps.append(path.closepath())
p = path.path(*ps)
if fill:
c.fill(p, [deformer.smoothed(smooth)]+extra+fill)
c.stroke(p, [deformer.smoothed(smooth)]+extra)
def dopath(ps, extra=[], fill=False, closepath=True):
ps = [path.moveto(*ps[0])]+[path.lineto(*p) for p in ps[1:]]
if closepath:
ps.append(path.closepath())
p = path.path(*ps)
if fill:
c.fill(p, [deformer.smoothed(0.3)]+extra+[color.rgb.white])
c.stroke(p, [deformer.smoothed(0.3)]+extra)
def braid(n, i, t, inverse=False):
if not isinstance(t, list):
t = [t]
t = t + [style.linewidth.Thick, red, style.linecap.round]
N = 10
if i is None:
items = range(n)
else:
assert 0<=i<i+1<n
items = range(i)+range(i+2, n)
for k in items:
c.stroke(path.line(0.5*k, 0., 0.5*k, 1.), t)
if i is None:
return
pts0 = []
for j in range(N):
theta = pi*j/(N-1)
x = 0.5 * 0.5 * (cos(theta)-1.) + 0.5*(i+1)
y = 1.*j/(N-1)
pts0.append((x, y))
pts1 = []
for j in range(N):
theta = pi*j/(N-1)
x = 0.5 * 0.5 * (1.-cos(theta)) + 0.5*i
y = 1.*j/(N-1)
pts1.append((x, y))
if inverse:
pts0, pts1 = pts1, pts0
pts = [path.moveto(*pts0[0])] + [path.lineto(*p) for p in pts0[1:]]
wiggle = path.path(*pts)
c.stroke(wiggle, [deformer.smoothed(2.0)]+t)
c.fill(path.circle(0.5*(i+0.5), 0.5, 0.15), t+[white])
pts = [path.moveto(*pts1[0])] + [path.lineto(*p) for p in pts1[1:]]
wiggle = path.path(*pts)
c.stroke(wiggle, [deformer.smoothed(2.0)]+t)
def repo(label, colorfg, colorbg):
crepo = canvas.canvas()
labeltext = text.text(0, 0, r'\textsf{{{}}}'.format(label),
[colorfg])
extrawd = 0.15
labelbox = labeltext.bbox().enlarged(extrawd)
crepo.fill(labelbox.path(), [colorbg, deformer.smoothed(0.05),
deco.stroked([colorfg])])
crepo.insert(labeltext)
return crepo
def loop(x0, y0, r1, theta0, theta1, tpy):
t = Turtle(x0, y0, theta0)
#theta = 0.55*pi
theta = theta1
r2 = 2*r1*sin(theta - 0.5*pi)
t.penup().fwd(0.1*r1).pendown()
t.fwd(0.9*r1).right(theta).fwd(r2).right(theta).fwd(0.9*r1)
t.stroke([deco.earrow(),
deformer.smoothed(4.0), style.linewidth.Thick,
color.transparency(tpy), tr])
def tetra(x, y, count=None, subcount=None, rev=1, back=True, front=True, reflect=False):
if back:
circle(x, y, r, shade)
rr = 1.0*r
if subcount is not None:
ps = []
for i in range(3):
theta1 = rev*2*(i+subcount)*pi/3
if i==0:
# start of curve
x1, y1 = x+rr*sin(theta1), y+rr*cos(theta1)
ps.append((x1, y1))
if i==1:
x1, y1 = x+0.7*r*sin(theta1), y+0.7*r*cos(theta1)
ps.append((x1, y1))
else:
x1, y1 = x+0.4*r*sin(theta1), y+0.4*r*cos(theta1)
ps.append((x1, y1))
if i==2:
# end of curve
x1, y1 = x+1.0*rr*sin(theta1), y+1.0*rr*cos(theta1)
ps.append((x1, y1))
c.stroke(path.path(
path.moveto(*ps[0]),
path.lineto(*ps[1]),
path.lineto(*ps[2]),
path.lineto(*ps[3]),
path.lineto(*ps[4])),
st_curve+[deformer.smoothed(0.6)])
if front:
for theta1 in [0., 2*pi/3, 4*pi/3]:
x1, y1 = x+0.5*r*sin(theta1), y+0.5*r*cos(theta1)
circle(x1, y1, r0, white)
if count is not None:
assert 0<=count<=2
s = 0.86*r
r1 = 2.4*r0
extra = []
#c.text(x, y, count)
if reflect:
#count = [0, 1, 2][count]
extra.append(trafo.scale(x=x, y=y, sx=-1, sy=1))
extra += [trafo.rotate(-count*120, x=x, y=y)]
t = Turtle(x1, y1-r1, -pi/2).right(pi, r1).fwd(s).right(pi, r1).fwd(s)
t.stroke(extra)
t.stroke(extra+[deco.earrow()])
def dopath(ps, extra=[], fill=[], closepath=False, smooth=0.0):
if not ps:
print "dopath: empty"
return
ps = [path.moveto(*ps[0])]+[path.lineto(*p) for p in ps[1:]]
if closepath:
ps.append(path.closepath())
p = path.path(*ps)
extra = list(extra)
if smooth:
extra.append(deformer.smoothed(smooth))
if fill:
c.fill(p, extra+fill)
c.stroke(p, extra)
def file(c, size=1, xoff=0, yoff=0, attrs=[], title=''):
w = 3
h = 2.1
fold = 0.6
outline = path.path(path.moveto(0, 0), path.lineto(w, 0),
path.lineto(w, h - fold), path.lineto(w - fold, h),
path.lineto(0, h), path.closepath())
foldpath = path.path(path.moveto(w - fold, h),
path.lineto(w - fold, h - fold),
path.lineto(w, h - fold))
c1 = canvas.canvas()
c1.stroke(outline, attrs)
d = deformer.smoothed(0.2)
c1.stroke(d.deform(foldpath), attrs)
c1.stroke(path.rect(0.1 * w, 0.3 * h, 0.6 * w, 0.1 * h))
c1.stroke(path.rect(0.1 * w, 0.45 * h, 0.6 * w, 0.1 * h))
c1.stroke(path.rect(0.1 * w, 0.6 * h, 0.6 * w, 0.1 * h))
c1.stroke(path.rect(0.1 * w, 0.75 * h, 0.6 * w, 0.1 * h))
c1.text(0.1, 0.1, r'\sffamily ' + title, [trafo.scale(0.7)])
myattrs = [trafo.translate(xoff, yoff), trafo.scale(size)]
myattrs.extend(attrs)
c.insert(c1, myattrs)
def makePath(self):
''' makes pyx path object from pygame points '''
# so we can use pop() w/o modifying self.positions
positions = copy.copy(self.points)
positions.reverse()
p = None
# BEZIER CURVES
while len(positions) > 4: # need at least 4 points to make bezier curve
# make a bezier curve
points = []
for _ in range(3):
points += positions.pop()
points += positions[-1] # so next curve will start at this point
if p:
p += path.curve(*points)
else:
p = path.curve(*points)
# LINES
while len(positions) > 1: # use up rest of points with lines
points = []
points += positions.pop()
points += positions[-1]
if p:
p += path.line(*points)
else:
p = path.line(*points)
# store curve in object
p = deformer.smoothed(2.0).deform(p) # smooth curve
self.path = p
self.arclen = p.arclen_pt()*metersPerPoint
self.duration = self.arclen/self.velocity
def makePath(self):
''' makes pyx path object from pygame points '''
# so we can use pop() w/o modifying self.positions
positions = copy.copy(self.points)
positions.reverse()
p = None
# BEZIER CURVES
while len(
positions) > 4: # need at least 4 points to make bezier curve
# make a bezier curve
points = []
for _ in range(3):
points += positions.pop()
points += positions[-1] # so next curve will start at this point
if p:
p += path.curve(*points)
else:
p = path.curve(*points)
# LINES
while len(positions) > 1: # use up rest of points with lines
points = []
points += positions.pop()
points += positions[-1]
if p:
p += path.line(*points)
else:
p = path.line(*points)
# store curve in object
p = deformer.smoothed(2.0).deform(p) # smooth curve
self.path = p
self.arclen = p.arclen_pt() * metersPerPoint
self.duration = self.arclen / self.velocity
#c.text(x0-0.8, y0, "(b)")
push()
c.stroke(path.rect(x0, y0, w, h), dashed)
c.stroke(path.rect(x0+w+m, y0, w, h), dotted)
p = path.path(
path.moveto(x0+0.5*w, y0-0.3*h),
path.lineto(x0+0.5*w, y0+0.3*h),
path.lineto(x0+1.5*w+m, y0+0.3*h),
path.lineto(x0+1.5*w+m, y0+0.7*h),
path.lineto(x0+0.5*w, y0+0.7*h),
path.lineto(x0+0.5*w, y0+1.3*h),
)
c.stroke(p, [deformer.smoothed(0.3)]+grarrow)
y = y0+0.3*h
anyon(x0+0.8*w, y)
anyon(x0+m+1.2*w, y)
y = y0+0.7*h
anyon(x0+0.8*w, y)
anyon(x0+m+1.2*w, y)
pop([trafo.rotate(-90), trafo.translate(2.*w+0.7, 2.5*h)])
c.text(2.*w, 0.5*h, "(b)")
# --------------------------------------------------------------------
ht = 5
htlabel = 1
wd = 3.5
vdist = 0.05
hdist = 1
size = 1.2
for nr, (label, boxcolor, symbolcolor, status) in enumerate(
(('working directory', color.hsb(0.87, 1, 0.6), color.rgb(0.6, 0,
0), 'modified'),
('staging area', color.hsb(0.2, 1, 0.6), color.rgb(0, 0.5, 0), 'staged'),
('repository (.git)', color.hsb(0.53, 1,
0.6), color.grey(0.3), 'committed'))):
xmid = nr * (wd + hdist) + 0.5 * wd
c.stroke(path.rect(nr * (wd + hdist), 0, wd, ht),
[deformer.smoothed(0.3), boxcolor, style.linewidth.Thick])
c.fill(path.rect(nr * (wd + hdist), ht + vdist, wd, htlabel),
[deformer.smoothed(0.3), boxcolor])
c.text(xmid, ht + vdist + 0.5 * htlabel, label,
[text.halign.center, text.valign.middle,
color.grey(1)])
c.insert(filesymbol(size, symbolcolor), [trafo.translate(xmid, 0.5 * ht)])
c.text(xmid, 0.2 * ht, status, [text.halign.center, symbolcolor])
for nr, operation in enumerate(('git add', 'git commit')):
xmid = nr * (wd + hdist) + 0.5 * wd
c.stroke(
path.line(xmid + 0.5 * size + 0.1, 0.5 * ht,
xmid + wd + hdist - 0.5 * size - 0.1, 0.5 * ht),
[deco.earrow.large, style.linewidth.Thick])
cop = canvas.canvas()
optext = text.text(0, 0, operation,
cf.text(0, -nr*dy, name, [color.hsb(hue, 1, 0.5), text.valign.middle])
for nver, (v1, v2) in enumerate(zip(versions[:-1], versions[1:])):
y = -(nr+0.4)*dy
lv = len(versions)-1
xll = v1*dx+versionoff+0.1
yll = y
width = (v2-v1)*dx-0.2
height = 0.8*dy
cf.fill(path.rect(xll, yll, width, height),
[color.hsb(hue, 1-(lv-1-nver)/(lv-1)*0.7, 0.6)])
cf.text(xll+0.5*width, yll+0.5*height, gethashstring(),
[text.size(-4), text.halign.center, text.valign.middle, color.grey(1)])
for n in range(nr_revisions):
xcenter = (n+0.5)*dx+versionoff
y = 0.5
cf.text(xcenter, y, gethashstring(), [text.size(-4), text.halign.center])
if n:
yshift = 0.1
cf.stroke(path.line(xcenter-0.33*dx, y+yshift, xcenter-0.67*dx, y+yshift),
[deco.earrow])
cf.stroke(path.rect(3*dx+versionoff, -2.6*dy, dx, 2.6*dy+1.0),
[style.linewidth.THIck, deformer.smoothed(0.3)])
c.insert(cf, [trafo.translate(4.5, 1)])
c.writePDFfile()
trafo.scale(size).rotated(-30).translated(0, -0.4 * size)])
return cwrite
text.set(text.LatexRunner)
text.preamble(r'\usepackage{arev}\usepackage[T1]{fontenc}')
c = canvas.canvas()
wd = 6.9
ht = 3.5
gitlabfgcolor = color.grey(0.4)
gitlabbgcolor = color.grey(0.97)
maintainercolor = color.hsb(0.7, 1, 0.5)
usercolor = color.hsb(0.05, 1, 0.5)
c.stroke(path.rect(0, 0, wd, ht), [
deformer.smoothed(0.1), gitlabfgcolor, style.linewidth.Thick,
deco.filled([gitlabbgcolor])
])
clabel = canvas.canvas()
labeltext = text.text(0, 0, r'\textsf{\bfseries Gitlab}', [color.grey(1)])
extrawd = 0.15
labelbox = labeltext.bbox().enlarged(extrawd)
clabel.fill(labelbox.path(), [gitlabfgcolor, deformer.smoothed(0.1)])
clabel.insert(labeltext)
c.insert(clabel, [trafo.translate(extrawd, ht + extrawd)])
c.text(wd + 0.4, ht - 0.5, r'\footnotesize\textsf{read/write permissions}')
c.insert(read(1, usercolor), [trafo.translate(wd + 0.7, ht - 0.9)])
c.insert(write(1, usercolor), [trafo.translate(wd + 1.05, ht - 0.9)])
c.text(wd + 1.5, ht - 1.0, r'\footnotesize\textsf{user}', [usercolor])
cwrite.stroke(p, [color, trafo.scale(size).rotated(-30).translated(0,-0.4*size)])
return cwrite
basename = os.path.splitext(sys.argv[0])[0]
text.set(text.LatexRunner)
text.preamble(r'\usepackage{arev}\usepackage[T1]{fontenc}')
c = canvas.canvas()
wd = 6.9
ht = 3.5
githubfgcolor = color.grey(0.4)
githubbgcolor = color.grey(0.97)
maintainercolor = color.hsb(0.7, 1, 0.5)
usercolor = color.hsb(0.05, 1, 0.5)
c.stroke(path.rect(0, 0, wd, ht), [deformer.smoothed(0.1),
githubfgcolor,
style.linewidth.Thick,
deco.filled([githubbgcolor])])
clabel = canvas.canvas()
labeltext = text.text(0, 0, r'\textsf{\bfseries Github}', [color.grey(1)])
extrawd = 0.15
labelbox = labeltext.bbox().enlarged(extrawd)
clabel.fill(labelbox.path(), [githubfgcolor, deformer.smoothed(0.1)])
clabel.insert(labeltext)
c.insert(clabel, [trafo.translate(extrawd, ht+extrawd)])
c.text(wd+0.4, ht-0.5, r'\footnotesize\textsf{read/write permissions}')
c.insert(read(1, usercolor), [trafo.translate(wd+0.7, ht-0.9)])
c.insert(write(1, usercolor), [trafo.translate(wd+1.05, ht-0.9)])
from pyx import canvas, color, deco, deformer, graph, path, style, trafo
def ellipse(r, scaley, fillcolor):
ce = canvas.canvas()
ce.fill(path.circle(0, 0, r), [trafo.scale(1, scaley), fillcolor])
return ce
c = canvas.canvas()
dx = 0.3
h = 4
w = 6.5
p = path.rect(-dx, -dx, w + 2 * dx, h + 2 * dx)
p = deformer.smoothed(0.5).deform(p)
c.fill(p, [color.grey(0.5), trafo.translate(0.05, -0.05)])
c1 = canvas.canvas([canvas.clip(p)])
c1.fill(p, [color.grey(0.9)])
r = 1
brown1 = color.rgb(148 / 255, 77 / 255, 48 / 255)
brown2 = color.rgb(193 / 255, 91 / 255, 49 / 255)
red1 = color.rgb(200 / 255, 0, 0)
red2 = color.rgb(220 / 255, 0.5, 0.5)
flame = color.rgb(248 / 255, 212 / 255, 27 / 255)
c2 = canvas.canvas()
c2.insert(ellipse(r, 0.5, brown1))
c2.fill(path.rect(-r, 0, 2 * r, 0.5 * r), [brown1])
c2.insert(ellipse(r, 0.5, brown2), [trafo.translate(0, 0.5 * r)])
c2.insert(ellipse(0.2 * r, 0.5, red1), [trafo.translate(0, 0.5 * r)])
def dorect(x, y, W=2, H=0.6):
dopath([(x-1.1, y-H), (x-0.1, y+H), (x+W+.2, y+H), (x+W-0.8, y-H)],
fill=[shade, color.transparency(0.3)],
closepath=True)
x, y = 0., 0.
radius = 0.06
dorect(x, y)
c.fill(path.circle(x, y, radius), [style.linewidth.thick])
c.fill(path.circle(x+1, y, radius), [style.linewidth.thick])
c.stroke(mkpath(x, y, 3),
[deformer.smoothed(2.0),
style.linewidth.Thick, deco.earrow(size=0.2)])
x += 3
c.text(x-0.1, y-0.1, r"$\ne$")
x += 2
dorect(x, y)
c.fill(path.circle(x, y, radius), [style.linewidth.thick])
c.fill(path.circle(x+1, y, radius), [style.linewidth.thick])
c.stroke(mkpath(x, y, 1.4),
[deformer.smoothed(2.0),
style.linewidth.Thick, deco.earrow(size=0.2)])
points.insert(idx, (1.5*dx, -2.*dy)); idx+=1
points.insert(idx, (1.5*dx, -1.4*dy)); idx+=3 # next pair
points.insert(idx, (3.7*dx, -1.4*dy)); idx+=1
points.insert(idx, (3.7*dx, -1.6*dy)); idx+=1
points.insert(idx, (1.7*dx, -1.6*dy)); idx+=3 # next pair
points.insert(idx, (1.7*dx, -3.3*dy)); # end
items = []
for i, p in enumerate(points):
if i==0:
items.append(path.moveto(*p))
else:
items.append(path.lineto(*p))
c.stroke(path.path(*items),
[trafo.translate(tx0, ty0), lred, deformer.smoothed(2.0),
style.linewidth.THICk, deco.earrow(size=0.3)])
for (s, t) in [(0, 1), (2, 3), (4, 5)]:
pair(points0[s], points0[t])
y -= 4.*dy
c.text(x, y,
r"""When we yank the red line straight
we find out what braid moves to do:
""",
[text.parbox(dw-2*m),])
# Linear order:
ty0 -= 4.5*dy + 2*dr
u += 0.1 * 2**(-5*r)
u, v = w*u+x, h*v+y
return u, v
def warp(u, v):
u = (u-x)/w
v = (v-y)/h
assert 0<=u<=1., u
assert 0<=v<=1., v
u, v = twist(u, v, 1.2*pi, 0.0, 0.48, x0=0.5, y0=0.5)
u, v = w*u+x, h*v+y
return u, v
sm = [deformer.smoothed(2.0)]
c.fill(path.rect(x-m0, y-m0, 2*m0+w, 2*m0+h), [shade])
c.stroke(path.rect(x, y, w, h))
r = 0.3*w
ps = [ path.moveto(x+r, y-m), path.lineto(x+r, y)]
#path.arc(x, y, r, 0, 90),
for i in range(N):
theta = 0.5*pi*i/(N-1)
u = x+r*cos(theta)
v = y+1.3*r*sin(theta)
u, v = warp(u, v)
ps.append(path.lineto(u, v))
ps.append(path.lineto(x-m, y+1.3*r))
p = path.path(*ps)
