manual/textvalign.py

   1 from pyx import *
   2
   3 text.preamble(r"\parindent0pt")
   4
   5 c = canvas.canvas()
   6 t = c.text(0, 0, r"spam \& eggs", [trafo.scale(6), text.parbox(1.2, baseline=text.parbox.top)])
   7 t2 = text.text(0, 0, "eggs", [trafo.scale(6)])
   8 b, b2 = t.bbox(), t2.bbox()
   9 c.stroke(t.path(), [style.linewidth.THin])
  10 c.stroke(path.line(-0.3, b.top(), -0.1, b.top()), [deco.earrow.Small])
  11 c.text(-0.5, b.top(), "valign.top", [text.vshift.mathaxis, text.halign.right])
  12 c.stroke(path.line(-0.3, 0.5*(b.top()+b.bottom()), -0.1, 0.5*(b.top()+b.bottom())), [deco.earrow.Small])
  13 c.text(-0.5, 0.5*(b.top()+b.bottom()), "valign.middle", [text.vshift.mathaxis, text.halign.right])
  14 c.stroke(path.line(-0.3, b.bottom(), -0.1, b.bottom()), [deco.earrow.Small])
  15 c.text(-0.5, b.bottom(), "valign.bottom", [text.vshift.mathaxis, text.halign.right])
  16 c.stroke(path.line(0, 0, 7.2, 0))
  17 c.stroke(path.line(7.3, 0, 7.5, 0), [deco.barrow.Small])
  18 c.text(7.7, 0, "parbox.top", [text.vshift.mathaxis])
  19 c.stroke(path.line(7.3, 0.5*(b.bottom()-b2.bottom()), 7.5, 0.5*(b.bottom()-b2.bottom())), [deco.barrow.Small])
  20 c.text(7.7, 0.5*(b.bottom()-b2.bottom()), "parbox.middle", [text.vshift.mathaxis])
  21 c.stroke(path.line(0, b.bottom()-b2.bottom(), 7.2, b.bottom()-b2.bottom()))
  22 c.stroke(path.line(7.3, b.bottom()-b2.bottom(), 7.5, b.bottom()-b2.bottom()), [deco.barrow.Small])
  23 c.text(7.7, b.bottom()-b2.bottom(), "parbox.bottom", [text.vshift.mathaxis])
  24 c.writePDFfile()