1 #!/usr/bin/env python
2 '''
3 Copyright (C) 2005 Aaron Spike, aaron@ekips.org
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.
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.
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 math, tempfile, cPickle, inkex, simplepath
21 def findend(d):
22 end = []
23 subPathStart = []
24 for cmd,params in d:
25 if cmd == 'M':
26 subPathStart = params[-2:]
27 if cmd == 'Z':
28 end = subPathStart[:]
29 else:
30 end = params[-2:]
31 return end
33 class LoadKochify(inkex.Effect):
34 def effect(self):
35 for id, node in self.selected.iteritems():
36 if node.tagName == 'path':
37 d = simplepath.parsePath(node.attributes.getNamedItem('d').value)
38 start = d[0][1][-2:]
39 end = findend(d)
40 while start == end and len(d):
41 d = d[:-1]
42 end = findend(d)
43 if not end:
44 break
45 dx = end[0]-start[0]
46 dy = end[1]-start[1]
47 length = math.sqrt((dx**2) + (dy**2))
48 angle = math.atan2(dy,dx)
49 endsinz = False
50 if d[-1][0]=='Z':
51 endsinz = True
52 path = {'start': start, 'end': end, 'endsinz': endsinz,
53 'length': length, 'angle': angle, 'path': d}
54 f = open(tempfile.gettempdir() + '/kochify.bin', 'w')
55 cPickle.dump(path, f)
56 f.close()
57 break
59 e = LoadKochify()
60 e.affect()