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dots.py
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2006-09-06
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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 inkex, simplestyle, simplepath
class Dots(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("-d", "--dotsize",
action="store", type="string",
dest="dotsize", default="10px",
help="Size of the dots placed at path nodes")
self.OptionParser.add_option("-f", "--fontsize",
action="store", type="string",
dest="fontsize", default="20",
help="Size of node label numbers")
def effect(self):
for id, node in self.selected.iteritems():
if node.tagName == 'path':
self.group = self.document.createElement('svg:g')
node.parentNode.appendChild(self.group)
new = self.document.createElement('svg:path')
try:
t = node.attributes.getNamedItem('transform').value
self.group.setAttribute('transform', t)
except AttributeError:
pass
s = simplestyle.parseStyle(node.attributes.getNamedItem('style').value)
s['stroke-linecap']='round'
s['stroke-width']=self.options.dotsize
new.setAttribute('style', simplestyle.formatStyle(s))
a =[]
p = simplepath.parsePath(node.attributes.getNamedItem('d').value)
num = 1
for cmd,params in p:
if cmd != 'Z':
a.append(['M',params[-2:]])
a.append(['L',params[-2:]])
self.addText(self.group,params[-2],params[-1],num)
num += 1
new.setAttribute('d', simplepath.formatPath(a))
self.group.appendChild(new)
node.parentNode.removeChild(node)
def addText(self,node,x,y,text):
new = self.document.createElement('svg:text')
s = {'font-size': self.options.fontsize, 'fill-opacity': '1.0', 'stroke': 'none',
'font-weight': 'normal', 'font-style': 'normal', 'fill': '#000000'}
new.setAttribute('style', simplestyle.formatStyle(s))
new.setAttribute('x', str(x))
new.setAttribute('y', str(y))
new.appendChild(self.document.createTextNode(str(text)))
node.appendChild(new)
e = Dots()
e.affect()