← Back to branch summary

~inkscape.dev/inkscape/trunk

« back to all changes in this revision

Viewing changes to share/extensions/rtree.py

  • Committer: mental
  • Date: 2006-01-16 02:36:01 UTC
  • Revision ID: mental@users.sourceforge.net-20060116023601-wkr0h7edl5veyudq
moving trunk for module inkscape

Show diffs side-by-side

added added

removed removed

Lines of Context:
share/extensions/rtree.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, pturtle, random
 
20
 
 
21
def rtree(turtle, size, min):
 
22
        if size < min:
 
23
                return
 
24
        turtle.fd(size)
 
25
        turn = random.uniform(20, 40)
 
26
        turtle.lt(turn)
 
27
        rtree(turtle, size*random.uniform(0.5,0.9), min)
 
28
        turtle.rt(turn)
 
29
        turn = random.uniform(20, 40)
 
30
        turtle.rt(turn)
 
31
        rtree(turtle, size*random.uniform(0.5,0.9), min)
 
32
        turtle.lt(turn)
 
33
        turtle.bk(size)
 
34
 
 
35
class RTreeTurtle(inkex.Effect):
 
36
        def __init__(self):
 
37
                inkex.Effect.__init__(self)
 
38
                self.OptionParser.add_option("-s", "--size",
 
39
                                                action="store", type="float", 
 
40
                                                dest="size", default=100.0,
 
41
                                                help="initial branch size")
 
42
                self.OptionParser.add_option("-m", "--minimum",
 
43
                                                action="store", type="float", 
 
44
                                                dest="minimum", default=4.0,
 
45
                                                help="minimum branch size")
 
46
        def effect(self):
 
47
                new = self.document.createElement('svg:path')
 
48
                s = {'stroke-linejoin': 'miter', 'stroke-width': '1.0px', 
 
49
                        'stroke-opacity': '1.0', 'fill-opacity': '1.0', 
 
50
                        'stroke': '#000000', 'stroke-linecap': 'butt', 
 
51
                        'fill': 'none'}
 
52
                new.setAttribute('style', simplestyle.formatStyle(s))
 
53
                t = pturtle.pTurtle()
 
54
                rtree(t, self.options.size, self.options.minimum)
 
55
                new.setAttribute('d', t.getPath())
 
56
                self.document.documentElement.appendChild(new)
 
57
 
 
58
e = RTreeTurtle()
 
59
e.affect()