manual/tex2.py

   1 #!/usr/bin/env python
   2 import sys
   3 sys.path[:0] = [".."]
   4 from pyx import *
   5 from pyx import tex
   6
   7 c = canvas.canvas()
   8 t = c.insert(tex.tex())
   9 t.text(0, 0, "Hello, world!")
  10 t.text(0, -0.5, "Hello, world!", tex.fontsize.large)
  11 t.text(0, -1.5,
  12        r"\sum_{n=1}^{\infty} {1\over{n^2}} = {{\pi^2}\over 6}",
  13        tex.style.math)
  14
  15 c.stroke(path.line(5, -0.5, 9, -0.5))
  16 c.stroke(path.line(5, -1, 9, -1))
  17 c.stroke(path.line(5, -1.5, 9, -1.5))
  18 c.stroke(path.line(7, -1.5, 7, 0))
  19 t.text(7, -0.5, "left aligned") # default is tex.halign.left
  20 t.text(7, -1, "center aligned", tex.halign.center)
  21 t.text(7, -1.5, "right aligned", tex.halign.right)
  22
  23 c.stroke(path.line(0, -4, 2, -4))
  24 c.stroke(path.line(0, -2.5, 0, -5.5))
  25 c.stroke(path.line(2, -2.5, 2, -5.5))
  26 t.text(0, -4,
  27        "a b c d e f g h i j k l m n o p q r s t u v w x y z",
  28        tex.valign.top(2))
  29 c.stroke(path.line(2.5, -4, 4.5, -4))
  30 c.stroke(path.line(2.5, -2.5, 2.5, -5.5))
  31 c.stroke(path.line(4.5, -2.5, 4.5, -5.5))
  32 t.text(2.5, -4,
  33        "a b c d e f g h i j k l m n o p q r s t u v w x y z",
  34        tex.valign.bottom(2))
  35
  36 c.stroke(path.line(5, -4, 9, -4))
  37 c.stroke(path.line(7, -5.5, 7, -2.5))
  38 t.text(7, -4, "horizontal")
  39 t.text(7, -4, "vertical", tex.direction.vertical)
  40 t.text(7, -4, "rvertical", tex.direction.rvertical)
  41 t.text(7, -4, "upsidedown", tex.direction.upsidedown)
  42 t.text(7.5, -3.5, "45", tex.direction(45))
  43 t.text(6.5, -3.5, "135", tex.direction(135))
  44 t.text(6.5, -4.5, "225", tex.direction(225))
  45 t.text(7.5, -4.5, "315", tex.direction(315))
  46
  47 t.text(0, -6, "red", color.rgb.red)
  48 t.text(3, -6, "green", color.rgb.green)
  49 t.text(6, -6, "blue", color.rgb.blue)
  50 c.writetofile("tex2.eps")
  51