share/extensions/dots.py

   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.tag == inkex.addNS('path','svg'):
  35                 self.group = inkex.etree.SubElement(node.getparent(),inkex.addNS('g','svg'))
  36                 new = inkex.etree.SubElement(self.group,inkex.addNS('path','svg'))
  37
  38                 try:
  39                     t = node.get('transform')
  40                     self.group.set('transform', t)
  41                 except:
  42                     pass
  43
  44                 s = simplestyle.parseStyle(node.get('style'))
  45                 s['stroke-linecap']='round'
  46                 s['stroke-width']=self.options.dotsize
  47                 new.set('style', simplestyle.formatStyle(s))
  48
  49                 a =[]
  50                 p = simplepath.parsePath(node.get('d'))
  51                 num = 1
  52                 for cmd,params in p:
  53                     if cmd != 'Z':
  54                         a.append(['M',params[-2:]])
  55                         a.append(['L',params[-2:]])
  56                         self.addText(self.group,params[-2],params[-1],num)
  57                         num += 1
  58                 new.set('d', simplepath.formatPath(a))
  59                 node.clear()
  60
  61
  62     def addText(self,node,x,y,text):
  63                 new = inkex.etree.SubElement(node,inkex.addNS('text','svg'))
  64                 s = {'font-size': self.options.fontsize, 'fill-opacity': '1.0', 'stroke': 'none',
  65                     'font-weight': 'normal', 'font-style': 'normal', 'fill': '#000000'}
  66                 new.set('style', simplestyle.formatStyle(s))
  67                 new.set('x', str(x))
  68                 new.set('y', str(y))
  69                 new.text = str(text)
  70
  71 if __name__ == '__main__':
  72     e = Dots()
  73     e.affect()
  74
  75
  76 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99