manual/boxalign.py

   1 import math
   2 from pyx import *
   3
   4 c = canvas.canvas()
   5 t1 = text.text(0, 0, "circle align", text.halign.center, text.size.huge)
   6 x, y = t1.circlealignvector(1, 1, 1)
   7 t1.circlealign(1, 1, 1)
   8 c.stroke(path.path(path.arc(0, 0, 1, -30, 120)), style.linestyle.dashed)
   9 c.stroke(t1.path(centerradius=0.05), style.linewidth.THin)
  10 c.stroke(path.line(0, 0, x, y), deco.earrow.normal())
  11 c.insert(t1)
  12 t2 = text.text(5, 0, "line align", text.halign.center, text.size.huge)
  13 x, y = t2.linealignvector(1, 1, 1)
  14 t2.linealign(1, 1, 1)
  15 c.stroke(path.line(5 + 1.5 * math.sqrt(2), -0.5 * math.sqrt(2), 5 - 0.5 * math.sqrt(2), 1.5 * math.sqrt(2)), style.linestyle.dashed)
  16 c.stroke(t2.path(centerradius=0.05), style.linewidth.THin)
  17 c.stroke(path.line(5, 0, 5 + x, y), deco.earrow.normal())
  18 c.insert(t2)
  19 c.writetofile("boxalign", paperformat="a4")
  20