import inkex, simplepath, simpletransform, cubicsuperpath

import gettext

_ = gettext.gettext

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()