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mightyscape-1.1-deprecated/extensions/fablabchemnitz/colorize_path_lengths/colorize_path_lengths.py
2021-07-23 02:36:56 +02:00

138 lines
6.0 KiB
Python

#!/usr/bin/env python3
'''
pathselection.py
Sunabe kazumichi 2009/9/29
http://dp48069596.lolipop.jp/
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, locale
import math
from lxml import etree
from inkex import paths
from inkex import bezier
# Set current system locale
locale.setlocale(locale.LC_ALL, '')
def cspseglength(sp1,sp2, tolerance = 0.001):
bez = (sp1[1][:],sp1[2][:],sp2[0][:],sp2[1][:])
return bezier.bezierlength(bez, tolerance)
def csplength(csp):
lengths = []
for sp in csp:
lengths.append([])
for i in range(1,len(sp)):
l = cspseglength(sp[i-1],sp[i])
lengths[-1].append(l)
return lengths
def roughBBox(path):
xmin,xMax,ymin,yMax=path[0][0][0],path[0][0][0],path[0][0][1],path[0][0][1]
for pathcomp in path:
for pt in pathcomp:
xmin=min(xmin,pt[0])
xMax=max(xMax,pt[0])
ymin=min(ymin,pt[1])
yMax=max(yMax,pt[1])
if xMax-xmin==0:
tn=0
else :
tn=(yMax-ymin)/(xMax-xmin)
return tn
class ColorizePathLengths(inkex.EffectExtension):
def add_arguments(self, pars):
pars.add_argument("-s", "--selection", default=True, help="select path with length or slant")
pars.add_argument("-1", "--len1", type=float, default=12)
pars.add_argument("-2", "--len2", type=float, default=25)
pars.add_argument("-3", "--len3", type=float, default=40)
pars.add_argument("-4", "--len4", type=float, default=60)
pars.add_argument("-5", "--len5", type=float, default=60)
pars.add_argument("-6", "--hor", type=float, default=0.2)
pars.add_argument("-7", "--ver", type=float, default=10)
def effect(self):
# loop over all selected paths
if self.options.selection=="path_lengthselection":
if len(self.svg.selected) > 0:
for node in self.svg.selected.values():
if node.tag == inkex.addNS('path','svg'):
l1,l2,l3,l4,l5=[],[],[],[],[]
p = paths.CubicSuperPath(inkex.paths.Path(node.get('d')))
slengths= csplength(p)
b=[slengths, p]
# path length select
for x in range(0,len(slengths)):
if sum(b[0][x])<self.options.len1:
l1.append(b[1][x])
if self.options.len2>sum(b[0][x])>=self.options.len1 :
l2.append(b[1][x])
if self.options.len3>sum(b[0][x])>=self.options.len2 :
l3.append(b[1][x])
if self.options.len4>sum(b[0][x])>=self.options.len3 :
l4.append(b[1][x])
if sum(b[0][x])>=self.options.len4 :
l5.append(b[1][x])
# make path
lensel=[l1,l2,l3,l4,l5]
strlen=['#FF0001','#00FF02','#AAFF03','#87CEE4','#000FF5']
for i,x in zip(strlen,lensel):
s = {'stroke-linejoin': 'miter', 'stroke-width': '0.5px',
'stroke-opacity': '1.0', 'fill-opacity': '1.0',
'stroke': i, 'stroke-linecap': 'butt', 'fill': 'none'}
attribs={'style':str(inkex.Style(s)),'d':str(paths.Path(paths.CubicSuperPath(x).to_path().to_arrays()))}
etree.SubElement(node.getparent(),inkex.addNS('path','svg'),attribs)
else:
self.msg('Please select some paths first.')
return
if self.options.selection=="path_slantselection":
if len(self.svg.selected) > 0:
for node in self.svg.selected.values():
if node.tag == inkex.addNS('path','svg'):
hor1,ver2,slan3=[],[],[]
p = paths.CubicSuperPath(inkex.paths.Path(node.get('d')))
# path slant select
for i,x in enumerate(p):
tn=roughBBox(x)
if tn<self.options.hor:
hor1.append(p[i])
elif tn>self.options.ver:
ver2.append(p[i])
else:
slan3.append(p[i])
# make path
slnsel=[hor1,ver2,slan3]
strsln=['#FF0001','#00FF02','#000FF5']
for i,x in zip(strsln,slnsel):
s = {'stroke-linejoin': 'miter', 'stroke-width': '0.5px',
'stroke-opacity': '1.0', 'fill-opacity': '1.0',
'stroke': i, 'stroke-linecap': 'butt', 'fill': 'none'}
attribs={'style':str(inkex.Style(s)),'d':str(paths.Path(paths.CubicSuperPath(x).to_path().to_arrays()))}
etree.SubElement(node.getparent(),inkex.addNS('path','svg'),attribs)
else:
self.msg('Please select some paths first.')
return
if __name__ == '__main__':
ColorizePathLengths().run()