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mightyscape-1.1-deprecated/extensions/fablabchemnitz/number_subpaths/number_subpaths.py

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2021-07-23 02:36:56 +02:00
#!/usr/bin/env python3
#
# Copyright (C) 2005 Aaron Spike, aaron@ekips.org
# Modified by Ellen Wasbo, ellen@wasbo.net 2021 - number subpaths and mark start/end element with green/red dot
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
import math
import inkex
from inkex import TextElement, Circle
class NumberSubpaths(inkex.EffectExtension):
"""Mark start and end elements with numbered dots according to the options"""
def add_arguments(self, pars):
pars.add_argument("--dotsize", default="10px", help="Size of the dots on the path elements")
pars.add_argument("--fontsize", default="10px", help="Size of element labels")
pars.add_argument("--showID", type=inkex.Boolean, default=False)
def effect(self):
if not self.svg.selected:
raise inkex.AbortExtension("Please select an object.")
for element in self.svg.selection.values():
self.add_dot(element)
def add_dot(self, element):
"""Add a dot label for this path element"""
group = element.getparent().add(inkex.Group())
dot_group = group.add(inkex.Group())
num_group = group.add(inkex.Group())
group.transform = element.transform
styleStart = inkex.Style({'stroke': 'none', 'fill': '#00ff00'})
styleEnd = inkex.Style({'stroke': 'none', 'fill': '#ff0000'})
idTxt=''
if self.options.showID==True:
idTxt=element.get('id')+', '
cc=0
for sub in element.path.to_superpath():
x=sub[0][1][0]
y=sub[0][1][1]
circle = dot_group.add(Circle(cx=str(x), cy=str(y), r=str(self.svg.unittouu(self.options.dotsize) / 2)))
circle.style = styleStart
num_group.append(self.add_text(
x + (self.svg.unittouu(self.options.dotsize) / 3),
y - (self.svg.unittouu(self.options.dotsize) / 3), idTxt+str(cc)))
x=sub[-1][1][0]
y=sub[-1][1][1]
circle = dot_group.add(Circle(cx=str(x), cy=str(y), r=str(self.svg.unittouu(self.options.dotsize) *0.9 / 2)))
circle.style = styleEnd
num_group.append(self.add_text(
x + (self.svg.unittouu(self.options.dotsize) / 3),
y - (self.svg.unittouu(self.options.dotsize) / 3), idTxt+str(cc)))
cc+=1
def add_text(self, x, y, text):
"""Add a text label at the given location"""
elem = TextElement(x=str(x), y=str(y))
elem.text = str(text)
elem.style = {
'font-size': self.svg.unittouu(self.options.fontsize),
'fill-opacity': '1.0',
'stroke': 'none',
'font-weight': 'normal',
'font-style': 'normal',
'fill': '#999'}
return elem
if __name__ == '__main__':
NumberSubpaths().run()