manual/pathstyles.py

   1 #!/usr/bin/env python
   2 import sys
   3 sys.path[:0] = [".."]
   4 from pyx import *
   5
   6 c = canvas.canvas()
   7 t = tex.latex()
   8 t.define(r"\renewcommand{\familydefault}{\ttdefault}")
   9
  10 # positioning is quite ugly ... but it works at the moment
  11 x = 0
  12 y = 0
  13 dx = 6
  14 dy = -0.65
  15 length = 0.8
  16
  17 def drawstyle(name, showpath=0, default=0):
  18     global x,y
  19     p = path.path(path.moveto(x + 0.1, y+0.1 ),
  20                        path.rlineto(length/2.0, 0.3),
  21                        path.rlineto(length/2.0, -0.3))
  22     c.stroke(p, style.linewidth.THIck,  eval("style."+name))
  23     if showpath:
  24         c.stroke(p, style.linewidth.Thin, color.gray.white)
  25     if default:
  26         name = name + r"\rm\quad (default)"
  27     t.text(x + 1.5, y + 0.15, name, tex.fontsize.footnotesize)
  28     y += dy
  29     if y < -16:
  30         y = 0
  31         x += dx
  32
  33 def drawdeco(name, showpath=0, default=0):
  34     global x,y
  35     p = path.path(path.moveto(x + 0.1, y+0.1 ),
  36                        path.rlineto(length/2.0, 0.3),
  37                        path.rlineto(length/2.0, -0.3))
  38     c.stroke(p, style.linewidth.THIck,  eval("deco."+name))
  39     if showpath:
  40         c.stroke(p, style.linewidth.Thin, color.gray.white)
  41     if default:
  42         name = name + r"\rm\quad (default)"
  43     t.text(x + 1.5, y + 0.15, name, tex.fontsize.footnotesize)
  44     y += dy
  45     if y < -16:
  46         y = 0
  47         x += dx
  48
  49 drawstyle("linecap.butt", showpath=1, default=1)
  50 drawstyle("linecap.round", showpath=1)
  51 drawstyle("linecap.square", showpath=1)
  52
  53 y += dy
  54
  55 drawstyle("linejoin.miter", showpath=1, default=1)
  56 drawstyle("linejoin.round", showpath=1)
  57 drawstyle("linejoin.bevel", showpath=1)
  58
  59 y += dy
  60
  61 drawstyle("linestyle.solid", default=1)
  62 drawstyle("linestyle.dashed")
  63 drawstyle("linestyle.dotted")
  64 drawstyle("linestyle.dashdotted")
  65
  66 y += dy
  67
  68 drawstyle("linewidth.THIN")
  69 drawstyle("linewidth.THIn")
  70 drawstyle("linewidth.THin")
  71 drawstyle("linewidth.Thin")
  72 drawstyle("linewidth.thin")
  73 drawstyle("linewidth.normal", default=1)
  74 drawstyle("linewidth.thick")
  75 drawstyle("linewidth.Thick")
  76 drawstyle("linewidth.THick")
  77 drawstyle("linewidth.THIck")
  78 drawstyle("linewidth.THICk")
  79 drawstyle("linewidth.THICK")
  80
  81 drawstyle("miterlimit.lessthan180deg", showpath=1)
  82 drawstyle("miterlimit.lessthan90deg", showpath=1)
  83 drawstyle("miterlimit.lessthan60deg", showpath=1)
  84 drawstyle("miterlimit.lessthan45deg", showpath=1)
  85 drawstyle("miterlimit.lessthan11deg", showpath=1, default=1)
  86
  87 y += dy
  88
  89 drawstyle("dash((1, 1, 2, 2, 3, 3), 0)")
  90 drawstyle("dash((1, 1, 2, 2, 3, 3), 1)")
  91 drawstyle("dash((1, 2, 3), 2)")
  92 drawstyle("dash((1, 2, 3), 3)")
  93 drawstyle("dash((1, 2, 3), 4)")
  94
  95 y += dy
  96
  97 drawdeco("earrow.SMall()")
  98 drawdeco("earrow.Small()")
  99 drawdeco("earrow.small()")
 100 drawdeco("earrow.normal()")
 101 drawdeco("earrow.large()")
 102 drawdeco("earrow.Large()")
 103 drawdeco("earrow.LArge()")
 104
 105 y += dy
 106
 107 drawdeco("barrow.normal()")
 108
 109 c.insert(t)
 110 c.writetofile("pathstyles")