test/profile_path.py

   1 #!/usr/bin/env python
   2 import sys
   3 sys.path[:0] = [".."]
   4
   5 import pyx
   6 from pyx import *
   7 from pyx.path import *
   8
   9 import profile
  10 import pstats
  11
  12 def testspeed():
  13     "coordinates as strings"
  14
  15     c=canvas.canvas()
  16     p=path(moveto(0,0))
  17
  18     for i in xrange(1000):
  19         p.append(lineto("%d pt" % i, "%d pt" % i))
  20
  21     c.stroke(p)
  22     c.writetofile("testspeed")
  23
  24 def testspeed2():
  25     "coordinates in user units"
  26
  27     c=canvas.canvas()
  28     p=path(moveto(0,0))
  29
  30     for i in xrange(1000):
  31         p.append(lineto(i,i))
  32
  33     c.stroke(p)
  34     c.writetofile("testspeed")
  35
  36 def testspeed3():
  37     "coordinates in pts (internal routines)"
  38
  39     c=canvas.canvas()
  40     p=path(pyx.path._moveto(0,0))
  41
  42     for i in xrange(1000):
  43         p.append(pyx.path._lineto(i, i))
  44
  45     c.stroke(p)
  46     c.writetofile("testspeed")
  47
  48 def testspeedintersect():
  49     p=path(moveto(10,10), curveto(12,16,14,15,12,19))
  50     bp=normpath(p)
  51
  52     for x in xrange(1,100):
  53         q=path(moveto(x/5.0,10), curveto(12,16,14,22,11,16))
  54         bq=normpath(q)
  55         isect = bp.intersect(bq, epsilon=1e-3)
  56
  57 profile.run('testspeed()', 'test.prof')
  58 pstats.Stats("test.prof").sort_stats('time').print_stats(10)
  59
  60 profile.run('testspeed2()', 'test.prof')
  61 pstats.Stats("test.prof").sort_stats('time').print_stats(10)
  62
  63 profile.run('testspeed3()', 'test.prof')
  64 pstats.Stats("test.prof").sort_stats('time').print_stats(10)
  65
  66 profile.run('testspeedintersect()', 'test.prof')
  67 pstats.Stats("test.prof").sort_stats('time').print_stats(10)
  68