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 w = 1.2 # an appropriate parbox width
   8
   9 # vertical alignments by margins
  10 c.stroke(path.line(0, 4, 6, 4), style.linewidth.THin)
  11 c.text(0, 4, r"spam \& eggs", text.parbox(w), text.valign.top)
  12 c.text(2, 4, r"spam \& eggs", text.parbox(w), text.valign.middle)
  13 c.text(4, 4, r"spam \& eggs", text.parbox(w), text.valign.bottom)
  14
  15 # vertical alignments by baselines
  16 c.stroke(path.line(0, 2, 6, 2), style.linewidth.THin)
  17 c.text(0, 2, r"spam \& eggs", text.parbox(w, baseline=text.parbox.top))
  18 c.text(2, 2, r"spam \& eggs", text.parbox(w, baseline=text.parbox.middle))
  19 c.text(4, 2, r"spam \& eggs", text.parbox(w, baseline=text.parbox.bottom))
  20
  21 # vertical shifts
  22 c.stroke(path.line(0, 0, 8, 0), style.linewidth.THin)
  23 c.text(0, 0, r"x=0", text.mathmode, text.vshift.topzero)
  24 c.text(2, 0, r"x=0", text.mathmode, text.vshift.middlezero)
  25 c.text(4, 0, r"x=0", text.mathmode, text.vshift.bottomzero)
  26 c.text(6, 0, r"x=0", text.mathmode, text.vshift.mathaxis)
  27
  28 c.writetofile("valign")