enhance netting extension
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@ -2,8 +2,41 @@
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<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
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<name>Netting</name>
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<id>fablabchemnitz.de.netting</id>
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<label>This effect net in the a path alternately.</label>
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<param name="s_width" type="float" gui-text="Stroke Width, px">1.0</param>
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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="netting_type" type="optiongroup" appearance="combo" gui-text="Netting type">
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<option value="alternatingly">alternatingly</option>
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<option value="allwithall">all with all</option>
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</param>
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<param name="stroke_width" type="float" precision="3" min="0.001" gui-text="Stroke Width (px)">1.000</param>
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</page>
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<page name="tab_about" gui-text="About">
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<label appearance="header">Netting</label>
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<label>This effect (alternatingly) nets in the selected paths. Based on the work of Sunabe Kazumichi.</label>
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<label>2019 - 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/netting</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>path</object-type>
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<effects-menu>
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@ -31,30 +31,46 @@ from inkex.paths import Path, CubicSuperPath
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class Netting(inkex.EffectExtension):
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def add_arguments(self, pars):
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pars.add_argument("--s_width", type=float, default=1.0, help="stroke width")
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pars.add_argument("--title")
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pars.add_argument("--tab")
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pars.add_argument("--netting_type", default="allwithall", help="Netting type")
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pars.add_argument("--stroke_width", type=float, default=1.0, help="stroke width")
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def effect(self):
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path_strings = []
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net_strings= ["M"]
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my_path = etree.Element(inkex.addNS('path','svg'))
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s = {'stroke-width': self.options.s_width, 'stroke': '#000000', 'fill': 'none' }
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my_path.set('style', str(inkex.Style(s)))
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for id, node in self.svg.selected.items():
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if node.tag == inkex.addNS('path','svg'):
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d = node.get('d')
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#static
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style = {'stroke-width': str(self.options.stroke_width) +'px', 'stroke': '#000000', 'fill': 'none'}
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old_segments = []
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new_segments = ["M"] #begin with blank M
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#get complete path data from all selected paths
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for element in self.svg.selected.filter(inkex.PathElement).values():
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d = element.get('d')
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p = CubicSuperPath(Path(d))
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for subpath in p:
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for i, csp in enumerate(subpath):
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path_strings.append("%f,%f" % ( csp[1][0], csp[1][1]))
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node.set('d',str(Path(p)))
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old_segments.append("%f,%f" % (csp[1][0], csp[1][1]))
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while len(path_strings)>0 :
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net_strings.append(path_strings.pop(0))
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if len(path_strings)>0 :
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net_strings.append(path_strings.pop())
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my_path.set('d', " ".join(net_strings))
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self.svg.get_current_layer().append( my_path )
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if self.options.netting_type == "allwithall":
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allnet_group = inkex.Group(id="g" + element.get('id'))
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self.svg.get_current_layer().append(allnet_group)
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for segment1 in range(0, len(old_segments)):
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for segment2 in range(1, len(old_segments)):
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allnet_path = inkex.PathElement()
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allnet_path.style = style
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allnet_path.path = Path('M' + old_segments[segment1] + ' L' + old_segments[segment2])
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allnet_group.append(allnet_path)
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elif self.options.netting_type == "alternatingly":
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#build up the net path between the path points alternatingly
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while len(old_segments) > 0:
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new_segments.append(old_segments.pop(0))
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if len(old_segments) > 0:
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new_segments.append(old_segments.pop())
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#create the path and add it to the current layer
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net_path = inkex.PathElement()
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net_path.style = style
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net_path.path = Path(" ".join(new_segments))
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self.svg.get_current_layer().append(net_path)
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if __name__ == '__main__':
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Netting().run()
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