manual/pathstyles.py

   1 from pyx import *
   2
   3 text.set(text.LatexRunner)
   4 text.preamble(r"\renewcommand{\familydefault}{\ttdefault}")
   5 c = canvas.canvas()
   6
   7 # positioning is quite ugly ... but it works at the moment
   8 x = 0
   9 y = 0
  10 dx = 6
  11 dy = -0.65
  12 length = 0.8
  13
  14 def drawstyle(name, showpath=0, default=0):
  15     global x,y
  16     p = path.path(path.moveto(x + 0.1, y+0.1 ),
  17                        path.rlineto(length/2.0, 0.3),
  18                        path.rlineto(length/2.0, -0.3))
  19     c.stroke(p, [style.linewidth.THIck,  eval("style."+name)])
  20     if showpath:
  21         c.stroke(p, [style.linewidth.Thin, color.gray.white])
  22     if default:
  23         name = name + r"\rm\quad (default)"
  24     c.text(x + 1.5, y + 0.15, name, [text.size.footnotesize])
  25     y += dy
  26     if y < -16:
  27         y = 0
  28         x += dx
  29
  30
  31 drawstyle("linecap.butt", showpath=1, default=1)
  32 drawstyle("linecap.round", showpath=1)
  33 drawstyle("linecap.square", showpath=1)
  34
  35 y += dy
  36
  37 drawstyle("linejoin.miter", showpath=1, default=1)
  38 drawstyle("linejoin.round", showpath=1)
  39 drawstyle("linejoin.bevel", showpath=1)
  40
  41 y += dy
  42
  43 drawstyle("linestyle.solid", default=1)
  44 drawstyle("linestyle.dashed")
  45 drawstyle("linestyle.dotted")
  46 drawstyle("linestyle.dashdotted")
  47
  48 y += dy
  49
  50 drawstyle("linewidth.THIN")
  51 drawstyle("linewidth.THIn")
  52 drawstyle("linewidth.THin")
  53 drawstyle("linewidth.Thin")
  54 drawstyle("linewidth.thin")
  55 drawstyle("linewidth.normal", default=1)
  56 drawstyle("linewidth.thick")
  57 drawstyle("linewidth.Thick")
  58 drawstyle("linewidth.THick")
  59 drawstyle("linewidth.THIck")
  60 drawstyle("linewidth.THICk")
  61 drawstyle("linewidth.THICK")
  62
  63 drawstyle("miterlimit.lessthan180deg", showpath=1)
  64 drawstyle("miterlimit.lessthan90deg", showpath=1)
  65 drawstyle("miterlimit.lessthan60deg", showpath=1)
  66 drawstyle("miterlimit.lessthan45deg", showpath=1)
  67 drawstyle("miterlimit.lessthan11deg", showpath=1, default=1)
  68
  69 y += dy
  70
  71 drawstyle("dash((1, 1, 2, 2, 3, 3), 0)")
  72 drawstyle("dash((1, 1, 2, 2, 3, 3), 1)")
  73 drawstyle("dash((1, 2, 3), 2)")
  74 drawstyle("dash((1, 2, 3), 3)")
  75 drawstyle("dash((1, 2, 3), 4)")
  76 drawstyle("dash((1, 2, 3), rellengths=1)")
  77
  78
  79 c.writePDFfile()