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Python Source  |  2006-09-06  |  3.2 KB  |  76 lines
  1. #!/usr/bin/env python 
  2. '''
  3. Copyright (C) 2005 Aaron Spike, aaron@ekips.org
  4.  
  5. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2 of the License, or
  8. (at your option) any later version.
  9.  
  10. This program is distributed in the hope that it will be useful,
  11. but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13. GNU General Public License for more details.
  14.  
  15. You should have received a copy of the GNU General Public License
  16. along with this program; if not, write to the Free Software
  17. Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18. '''
  19. import inkex, simplestyle, simplepath
  20.  
  21. class Dots(inkex.Effect):
  22.     def __init__(self):
  23.         inkex.Effect.__init__(self)
  24.         self.OptionParser.add_option("-d", "--dotsize",
  25.                         action="store", type="string", 
  26.                         dest="dotsize", default="10px",
  27.                         help="Size of the dots placed at path nodes")
  28.         self.OptionParser.add_option("-f", "--fontsize",
  29.                         action="store", type="string", 
  30.                         dest="fontsize", default="20",
  31.                         help="Size of node label numbers")    
  32.     def effect(self):
  33.         for id, node in self.selected.iteritems():
  34.             if node.tagName == 'path':
  35.                 self.group = self.document.createElement('svg:g')
  36.                 node.parentNode.appendChild(self.group)
  37.                 new = self.document.createElement('svg:path')
  38.                 
  39.                 try:
  40.                     t = node.attributes.getNamedItem('transform').value
  41.                     self.group.setAttribute('transform', t)
  42.                 except AttributeError:
  43.                     pass
  44.  
  45.                 s = simplestyle.parseStyle(node.attributes.getNamedItem('style').value)
  46.                 s['stroke-linecap']='round'
  47.                 s['stroke-width']=self.options.dotsize
  48.                 new.setAttribute('style', simplestyle.formatStyle(s))
  49.  
  50.                 a =[]
  51.                 p = simplepath.parsePath(node.attributes.getNamedItem('d').value)
  52.                 num = 1
  53.                 for cmd,params in p:
  54.                     if cmd != 'Z':
  55.                         a.append(['M',params[-2:]])
  56.                         a.append(['L',params[-2:]])
  57.                         self.addText(self.group,params[-2],params[-1],num)
  58.                         num += 1
  59.                 new.setAttribute('d', simplepath.formatPath(a))
  60.                 self.group.appendChild(new)
  61.                 node.parentNode.removeChild(node)
  62.  
  63.                 
  64.     def addText(self,node,x,y,text):
  65.                 new = self.document.createElement('svg:text')
  66.                 s = {'font-size': self.options.fontsize, 'fill-opacity': '1.0', 'stroke': 'none',
  67.                     'font-weight': 'normal', 'font-style': 'normal', 'fill': '#000000'}
  68.                 new.setAttribute('style', simplestyle.formatStyle(s))
  69.                 new.setAttribute('x', str(x))
  70.                 new.setAttribute('y', str(y))
  71.                 new.appendChild(self.document.createTextNode(str(text)))
  72.                 node.appendChild(new)
  73.  
  74. e = Dots()
  75. e.affect()
  76.