Updated offset paths extension
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leyghisbb
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<?xml version="1.0" encoding="UTF-8"?>
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<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
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<name>Offset Paths</name>
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<id>fablabchemnitz.de.offset_paths</id>
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<param name="tab" type="notebook">
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<page name="tab_settings" gui-text="Settings">
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<param name="unit" type="optiongroup" appearance="combo" gui-text="Unit">
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<option value="mm">mm</option>
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<option value="cm">cm</option>
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<option value="in">in</option>
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<option value="pt">pt</option>
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<option value="px">px</option>
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<option value="pc">pc</option>
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</param>
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<param name="offset_count" type="int" min="1" max="100000" gui-text="Number of offset paths">1</param>
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<param name="init_offset" type="float" precision="4" min="-1000" max="+1000" gui-text="Initial offset from original path">1.0000</param>
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<param name="offset" type="float" precision="4" min="-1000" max="+1000" gui-text="Offset between two paths">1.0000</param>
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<param name="offset_increase" type="float" precision="4" min="-1000" max="+1000" gui-text="Offset increase per iteration">0.0000</param>
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<param name="miterlimit" type="float" min="0.0" max="1000" gui-text="Miter limit">3.0</param>
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<param name="clipperscale" type="int" min="2" max="65.536" gui-text="Scaling factor" gui-description="Should be a multiplicator of 2, like 2^4=16 or 2^10=1024. The higher the scale factor the higher the quality.">1024</param>
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<param name="jointype" appearance="combo" type="optiongroup" default="2" gui-text="Join type">
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<option value="0">Square</option>
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<option value="1">Round</option>
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<option value="2">Miter</option>
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</param>
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<param name="endtype" appearance="combo" type="optiongroup" default="3" gui-text="End type">
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<option value="0">Closed Polygon</option>
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<option value="1">Closed Line</option>
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<option value="2">Open Butt</option>
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<option value="3">Open Square</option>
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<option value="4">Open Round</option>
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</param>
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<param name="copy_org" type="bool" gui-text="Keep original path" gui-description="If enabled, keeps original path as a copy">false</param>
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</page>
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<page name="tab_about" gui-text="About">
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<label appearance="header">Offset Paths</label>
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<label>Create offset for open or closed paths. Python library 'pyclipper' needs to be installed. Use 'Flatten Bezier' extension in advance of this plugin.</label>
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<label>2020 - 2021 / written by Mario Voigt (Stadtfabrikanten e.V. / FabLab Chemnitz)</label>
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<spacer/>
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<label appearance="header">Online Documentation</label>
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<label appearance="url">https://y.stadtfabrikanten.org/offsetpaths</label>
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<spacer/>
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<label appearance="header">Contributing</label>
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<label appearance="url">https://gitea.fablabchemnitz.de/MarioVoigt/mightyscape-1.X</label>
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<label appearance="url">mailto:mario.voigt@stadtfabrikanten.org</label>
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<spacer/>
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<label appearance="header">MightyScape Extension Collection</label>
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<label>This piece of software is part of the MightyScape for Inkscape Extension Collection and is licensed under GNU GPL v3</label>
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<label appearance="url">https://y.stadtfabrikanten.org/mightyscape-overview</label>
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</page>
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<page name="tab_donate" gui-text="Donate">
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<label appearance="header">Coffee + Pizza</label>
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<label>We are the Stadtfabrikanten, running the FabLab Chemnitz since 2016. A FabLab is an open workshop that gives people access to machines and digital tools like 3D printers, laser cutters and CNC milling machines.</label>
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<spacer/>
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<label>You like our work and want to support us? You can donate to our non-profit organization by different ways:</label>
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<label appearance="url">https://y.stadtfabrikanten.org/donate</label>
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<spacer/>
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<label>Thanks for using our extension and helping us!</label>
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<image>000_about_fablabchemnitz.svg</image>
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</page>
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</param>
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<effect>
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<object-type>all</object-type>
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<effects-menu>
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<submenu name="FabLab Chemnitz">
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<submenu name="Shape/Pattern from existing Path(s)"/>
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</submenu>
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</effects-menu>
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</effect>
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<script>
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<command location="inx" interpreter="python">offset_paths.py</command>
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</script>
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</inkscape-extension>
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@ -1,14 +1,26 @@
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#!/usr/bin/env python3
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"""
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Based on
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- https://github.com/TimeTravel-0/ofsplot
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Last Patch: 22.04.2021
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License: GNU GPL v3
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"""
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import inkex
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import math
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from inkex.paths import CubicSuperPath
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import re
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import pyclipper
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class ofsplot(inkex.EffectExtension):
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class OffsetPaths(inkex.EffectExtension):
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def add_arguments(self, pars):
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pars.add_argument('--tab')
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pars.add_argument('--unit')
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pars.add_argument("--offset_count", type=int, default=1, help="Number of offset paths")
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pars.add_argument("--offset", type=float, default=1.000, help="Offset amount")
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@ -18,10 +30,10 @@ class ofsplot(inkex.EffectExtension):
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pars.add_argument("--jointype", default="2", help="Join type")
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pars.add_argument("--endtype", default="3", help="End type")
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pars.add_argument("--miterlimit", type=float, default=3.0, help="Miter limit")
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pars.add_argument("--clipperscale", type=float, default=1024.0, help="Scaling factor")
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pars.add_argument("--clipperscale", type=int, default=1024, help="Scaling factor. Should be a multiplicator of 2, like 2^4=16 or 2^10=1024. The higher the scale factor the higher the quality.")
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def effect(self):
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unit_factor = 1.0 / self.svg.uutounit(1.0,self.options.unit)
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unit_factor = 1.0 / self.svg.uutounit(1.0, self.options.unit)
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paths = self.svg.selection.filter(inkex.PathElement).values()
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count = sum(1 for path in paths)
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paths = self.svg.selection.filter(inkex.PathElement).values() #we need to call this twice because the sum function consumes the generator
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@ -95,7 +107,7 @@ class ofsplot(inkex.EffectExtension):
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for sub in p:
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new.append(sub)
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path.set('d',CubicSuperPath(new))
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path.set('d', CubicSuperPath(new))
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if __name__ == '__main__':
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ofsplot().run()
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OffsetPaths().run()
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@ -1,44 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
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<name>Ofsplot (Offset Paths)</name>
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<id>fablabchemnitz.de.ofsplot</id>
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<param name="unit" type="optiongroup" appearance="combo" gui-text="Unit">
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<option value="mm">mm</option>
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<option value="cm">cm</option>
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<option value="in">in</option>
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<option value="pt">pt</option>
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<option value="px">px</option>
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<option value="pc">pc</option>
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</param>
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<param name="offset_count" type="int" min="1" max="100000" gui-text="Number of offset paths:">1</param>
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<param name="offset" type="float" precision="4" min="-1000" max="+1000" gui-text="Offset between two paths:">1.0000</param>
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<param name="init_offset" type="float" precision="4" min="-1000" max="+1000" gui-text="Initial offset from original path:">1.0000</param>
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<param name="copy_org" type="bool" gui-text="Copy original path (=keep it)">false</param>
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<param name="offset_increase" type="float" precision="4" min="-1000" max="+1000" gui-text="Offset increase per iteration:">0.0000</param>
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<param name="miterlimit" type="float" min="0.0" max="1000" gui-text="Miter limit">3.0</param>
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<param name="clipperscale" type="float" min="0.0" max="9999.0" gui-text="Scaling factor">1024.0</param>
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<param name="jointype" appearance="combo" type="optiongroup" default="2" gui-text="Join type">
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<option value="0">Square</option>
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<option value="1">Round</option>
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<option value="2">Miter</option>
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</param>
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<param name="endtype" appearance="combo" type="optiongroup" default="3" gui-text="End type">
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<option value="0">Closed Polygon</option>
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<option value="1">Closed Line</option>
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<option value="2">Open Butt</option>
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<option value="3">Open Square</option>
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<option value="4">Open Round</option>
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</param>
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<param name="settingsHelp" type="description">Python library pyclipper needs to be installed. Use Flatten Bezier plugin in advance of this plugin.</param>
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<effect>
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<object-type>all</object-type>
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<effects-menu>
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<submenu name="FabLab Chemnitz">
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<submenu name="Shape/Pattern from existing Path(s)"/>
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</submenu>
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</effects-menu>
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</effect>
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<script>
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<command location="inx" interpreter="python">ofsplot.py</command>
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</script>
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</inkscape-extension>
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