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- #!/usr/bin/env python
- '''
- Copyright (C) 2005 Aaron Spike, aaron@ekips.org
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- '''
- import math, tempfile, copy, cPickle, inkex, simplepath
-
- def findend(d):
- end = []
- subPathStart = []
- for cmd,params in d:
- if cmd == 'M':
- subPathStart = params[-2:]
- if cmd == 'Z':
- end = subPathStart[:]
- else:
- end = params[-2:]
- return end
-
- class Kochify(inkex.Effect):
- def effect(self):
- try:
- f = open(tempfile.gettempdir() + '/kochify.bin', 'r')
- proto = cPickle.load(f)
- f.close()
- except:
- return False
- for id, node in self.selected.iteritems():
- if node.tagName == 'path':
- d = node.attributes.getNamedItem('d')
- p = simplepath.parsePath(d.value)
- last = p[0][1][-2:]
- subPathStart = []
- cur = []
- new = []
- for i in range(len(p)):
- rep = copy.deepcopy(proto['path'])
- cmd, params = p[i]
- if cmd == 'M':
- subPathStart = params[-2:]
- new.append(copy.deepcopy(p[i]))
- continue
- if cmd == 'Z':
- cur = subPathStart[:]
- else:
- cur = params[-2:]
-
- if last == cur:
- continue
-
- dx = cur[0]-last[0]
- dy = cur[1]-last[1]
- length = math.sqrt((dx**2) + (dy**2))
- angle = math.atan2(dy,dx)
-
- scale = length / proto['length']
- rotate = angle - proto['angle']
- simplepath.scalePath(rep,scale,scale)
- simplepath.rotatePath(rep, rotate)
- repend = findend(rep)
- transx = cur[0] - repend[0]
- transy = cur[1] - repend[1]
- simplepath.translatePath(rep, transx, transy)
-
- if proto['endsinz']:
- new.extend(rep[:])
- else:
- new.extend(rep[1:])
- last = cur[:]
-
- d.value = simplepath.formatPath(new)
- e = Kochify()
- e.affect()
-