84 lines
3.4 KiB
Python
84 lines
3.4 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2005 Aaron Spike, aaron@ekips.org
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# Modified by Ellen Wasbo, ellen@wasbo.net 2021 - number subpaths and mark start/end node with green/red dot
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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import math
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import inkex
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from inkex import TextElement, Circle
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class NumberSubpaths(inkex.EffectExtension):
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"""Mark start and end nodes with numbered dots according to the options"""
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def add_arguments(self, pars):
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pars.add_argument("--dotsize", default="10px", help="Size of the dots on the path nodes")
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pars.add_argument("--fontsize", default="10px", help="Size of node labels")
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pars.add_argument("--showID", type=inkex.Boolean, default=False)
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def effect(self):
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if not self.svg.selected:
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raise inkex.AbortExtension("Please select an object.")
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for id, node in self.svg.selection.id_dict().items():
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self.add_dot(node)
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def add_dot(self, node):
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"""Add a dot label for this path element"""
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group = node.getparent().add(inkex.Group())
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dot_group = group.add(inkex.Group())
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num_group = group.add(inkex.Group())
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group.transform = node.transform
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styleStart = inkex.Style({'stroke': 'none', 'fill': '#00ff00'})
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styleEnd = inkex.Style({'stroke': 'none', 'fill': '#ff0000'})
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idTxt=''
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if self.options.showID==True:
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idTxt=node.get('id')+', '
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cc=0
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for sub in node.path.to_superpath():
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x=sub[0][1][0]
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y=sub[0][1][1]
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circle = dot_group.add(Circle(cx=str(x), cy=str(y), r=str(self.svg.unittouu(self.options.dotsize) / 2)))
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circle.style = styleStart
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num_group.append(self.add_text(
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x + (self.svg.unittouu(self.options.dotsize) / 3),
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y - (self.svg.unittouu(self.options.dotsize) / 3), idTxt+str(cc)))
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x=sub[-1][1][0]
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y=sub[-1][1][1]
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circle = dot_group.add(Circle(cx=str(x), cy=str(y), r=str(self.svg.unittouu(self.options.dotsize) *0.9 / 2)))
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circle.style = styleEnd
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num_group.append(self.add_text(
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x + (self.svg.unittouu(self.options.dotsize) / 3),
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y - (self.svg.unittouu(self.options.dotsize) / 3), idTxt+str(cc)))
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cc+=1
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def add_text(self, x, y, text):
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"""Add a text label at the given location"""
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elem = TextElement(x=str(x), y=str(y))
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elem.text = str(text)
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elem.style = {
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'font-size': self.svg.unittouu(self.options.fontsize),
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'fill-opacity': '1.0',
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'stroke': 'none',
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'font-weight': 'normal',
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'font-style': 'normal',
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'fill': '#999'}
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return elem
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if __name__ == '__main__':
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NumberSubpaths().run()
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