extrude.py revision 789b5bcf61bdd8067c5b6f69bf6d2f76e8e70177
#!/usr/bin/env python
'''
Copyright (C) 2007
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
'''
# local library
import inkex
import simplepath
import simpletransform
import cubicsuperpath
inkex.localize()
class Extrude(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
opts = [('-m', '--mode', 'string', 'mode', 'Lines',
'Join paths with lines or polygons'),
]
for o in opts:
self.OptionParser.add_option(o[0], o[1], action="store", type=o[2],
dest=o[3], default=o[4], help=o[5])
def effect(self):
paths = []
for id, node in self.selected.iteritems():
if node.tag == '{http://www.w3.org/2000/svg}path':
paths.append(node)
if len(paths) < 2:
inkex.errormsg(_('Need at least 2 paths selected'))
return
pts = [cubicsuperpath.parsePath(paths[i].get('d'))
for i in range(len(paths))]
for i in range(len(paths)):
if 'transform' in paths[i].keys():
trans = paths[i].get('transform')
trans = simpletransform.parseTransform(trans)
simpletransform.applyTransformToPath(trans, pts[i])
for n1 in range(0, len(paths)):
for n2 in range(n1 + 1, len(paths)):
verts = []
for i in range(0, min(map(len, pts))):
comp = []
for j in range(0, min(len(pts[n1][i]), len(pts[n2][i]))):
comp.append([pts[n1][i][j][1][-2:], pts[n2][i][j][1][-2:]])
verts.append(comp)
if self.options.mode.lower() == 'lines':
line = []
for comp in verts:
for n,v in enumerate(comp):
line += [('M', v[0])]
line += [('L', v[1])]
ele = inkex.etree.Element('{http://www.w3.org/2000/svg}path')
paths[0].xpath('..')[0].append(ele)
ele.set('d', simplepath.formatPath(line))
ele.set('style', 'fill:none;stroke:#000000;stroke-opacity:1;stroke-width:1;')
elif self.options.mode.lower() == 'polygons':
g = inkex.etree.Element('{http://www.w3.org/2000/svg}g')
g.set('style', 'fill:#000000;stroke:#000000;fill-opacity:0.3;stroke-width:2;stroke-opacity:0.6;')
paths[0].xpath('..')[0].append(g)
for comp in verts:
for n,v in enumerate(comp):
nn = n+1
if nn == len(comp): nn = 0
line = []
line += [('M', comp[n][0])]
line += [('L', comp[n][1])]
line += [('L', comp[nn][1])]
line += [('L', comp[nn][0])]
line += [('L', comp[n][0])]
ele = inkex.etree.Element('{http://www.w3.org/2000/svg}path')
g.append(ele)
ele.set('d', simplepath.formatPath(line))
if __name__ == '__main__': #pragma: no cover
e = Extrude()
e.affect()