share/extensions/handles.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, simplepath, simplestyle
  20
  21 class Handles(inkex.Effect):
  22         def effect(self):
  23                 for id, node in self.selected.iteritems():
  24                         if node.tagName == 'path':
  25                                 p = simplepath.parsePath(node.attributes.getNamedItem('d').value)
  26                                 a =[]
  27                                 pen = None
  28                                 subPathStart = None
  29                                 for cmd,params in p:
  30                                         if cmd == 'C':
  31                                                 a.extend([['M', params[:2]], ['L', pen],
  32                                                         ['M', params[2:4]], ['L', params[-2:]]])
  33                                         if cmd == 'Q':
  34                                                 a.extend([['M', params[:2]], ['L', pen],
  35                                                         ['M', params[:2]], ['L', params[-2:]]])
  36
  37                                         if cmd == 'M':
  38                                                 subPathStart = params
  39
  40                                         if cmd == 'Z':
  41                                                 pen = subPathStart
  42                                         else:
  43                                                 pen = params[-2:]
  44
  45                                 if len(a) > 0:
  46                                         new = self.document.createElement('svg:path')
  47                                         s = {'stroke-linejoin': 'miter', 'stroke-width': '1.0px',
  48                                                 'stroke-opacity': '1.0', 'fill-opacity': '1.0',
  49                                                 'stroke': '#000000', 'stroke-linecap': 'butt',
  50                                                 'fill': 'none'}
  51                                         new.setAttribute('style', simplestyle.formatStyle(s))
  52                                         new.setAttribute('d', simplepath.formatPath(a))
  53                                         node.parentNode.appendChild(new)
  54
  55 e = Handles()
  56 e.affect()