examples/valign.py

   1 from pyx import *
   2
   3 c = canvas.canvas()
   4
   5 # apply global TeX setting
   6 text.preamble(r"\parindent=0pt")
   7
   8 # vertical alignments by margins
   9 c.stroke(path.line(0, 4, 6, 4), canvas.linewidth.THin)
  10 c.text(0, 4, r"spam \& eggs", text.vbox(1.2), text.valign.top)
  11 c.text(2, 4, r"spam \& eggs", text.vbox(1.2), text.valign.middle)
  12 c.text(4, 4, r"spam \& eggs", text.vbox(1.2), text.valign.bottom)
  13
  14 # vertical alignments by baselines
  15 c.stroke(path.line(0, 2, 6, 2), canvas.linewidth.THin)
  16 c.text(0, 2, r"spam \& eggs", text.vbox(1.2), text.valign.topbaseline)
  17 c.text(2, 2, r"spam \& eggs", text.vbox(1.2), text.valign.middlebaseline)
  18 c.text(4, 2, r"spam \& eggs", text.vbox(1.2), text.valign.bottombaseline)
  19
  20 # vertical shifts
  21 c.stroke(path.line(0, 0, 8, 0), canvas.linewidth.THin)
  22 c.text(0, 0, r"x=0", text.mathmode, text.vshift.topzero)
  23 c.text(2, 0, r"x=0", text.mathmode, text.vshift.middlezero)
  24 c.text(4, 0, r"x=0", text.mathmode, text.vshift.bottomzero)
  25 c.text(6, 0, r"x=0", text.mathmode, text.vshift.mathaxis)
  26
  27 c.writetofile("valign")