examples/text/valign.py

   1 from pyx import *
   2
   3 c = canvas.canvas()
   4 c.set([style.linestyle.dotted])
   5
   6 # apply global TeX setting
   7 text.preamble(r"\parindent=0pt")
   8 w = 1.2 # an appropriate parbox width for spam & eggs
   9
  10 # vertical alignments by margins
  11 c.stroke(path.line(0, 4, 8, 4), [style.linewidth.THin])
  12 c.text(0, 4, r"spam \& eggs", [text.parbox(w), text.valign.top])
  13 c.text(3, 4, r"spam \& eggs", [text.parbox(w), text.valign.middle])
  14 c.text(6, 4, r"spam \& eggs", [text.parbox(w), text.valign.bottom])
  15
  16 # vertical alignments by baselines
  17 c.stroke(path.line(0, 2, 8, 2), [style.linewidth.THin])
  18 c.text(0, 2, r"spam \& eggs", [text.parbox(w, baseline=text.parbox.top)])
  19 c.text(3, 2, r"spam \& eggs", [text.parbox(w, baseline=text.parbox.middle)])
  20 c.text(6, 2, r"spam \& eggs", [text.parbox(w, baseline=text.parbox.bottom)])
  21
  22 # vertical shifts
  23 c.stroke(path.line(0, 0, 8, 0), [style.linewidth.THin])
  24 c.text(0, 0, r"x=0", [text.mathmode, text.vshift.topzero])
  25 c.text(2, 0, r"x=0", [text.mathmode, text.vshift.middlezero])
  26 c.text(4, 0, r"x=0", [text.mathmode, text.vshift.bottomzero])
  27 c.text(6, 0, r"x=0", [text.mathmode, text.vshift.mathaxis])
  28
  29 c.writeEPSfile("valign")
  30 c.writePDFfile("valign")