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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>Inset Alignment</name>
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<id>fablabchemnitz.de.inset_alignment</id>
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<param name="anchor_node" type="optiongroup" appearance="combo" gui-text="Inset relative to">
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<option value="FIRST_SEL">First selected</option>
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<option value="LAST_SEL">Last selected</option>
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<option value="LARGEST">Largest</option>
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</param>
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<param name="relative_to_v" type="optiongroup" appearance="radio" gui-text="Vertical alignment">
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<option value="TOP">Top</option>
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<option value="CENTRE">Centre</option>
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<option value="BOTTOM">Bottom</option>
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</param>
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<param name="relative_to_h" type="optiongroup" appearance="radio" gui-text="Horizontal alignment">
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<option value="LEFT">Left</option>
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<option value="MIDDLE">Middle</option>
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<option value="RIGHT">Right</option>
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</param>
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<param name="inset_x" type="float" precision="1" min="-1000" max="1000" gui-text="Horizontal inset (mm)">10</param>
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<param name="inset_y" type="float" precision="1" min="-1000" max="1000" gui-text="Vertical inset (mm)">10</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="Various"/>
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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">inset_alignment.py</command>
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</script>
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</inkscape-extension>
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91
extensions/fablabchemnitz/inset_alignment/inset_alignment.py
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91
extensions/fablabchemnitz/inset_alignment/inset_alignment.py
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#!/usr/bin/env python3
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# Copyright 2016 Luke Phillips (lukerazor@hotmail.com)
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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 St, Fifth Floor, Boston, MA 02110-1301 USA
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# Extension dirs
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# linux:~/.config/inkscape/extensions
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# windows: D:\Program Files\Inkscape\share\extensions
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import inkex
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def BoundingBoxArea(node):
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bb = node.bounding_box()
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return bb.width * bb.height
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class InsetAlignment(inkex.EffectExtension):
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def add_arguments(self, pars):
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pars.add_argument('-a', '--anchor_node')
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pars.add_argument('-v', '--relative_to_v')
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pars.add_argument('-t', '--relative_to_h')
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pars.add_argument('-x', '--inset_x', type = float)
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pars.add_argument('-y', '--inset_y', type = float)
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def GetPaths(self):
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paths = []
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def effect(self):
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# make sure we have at least 2 nodes selected
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if len(self.options.ids) < 2:
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inkex.utils.debug("You must select at least 2 nodes")
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return
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# pick the achor node
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anchor_nodeId = self.options.ids[0] # first selected
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if self.options.anchor_node == "LAST_SEL": # last selected
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#inkex.utils.debug("last sel")
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#inkex.utils.debug(self.options.ids)
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anchor_nodeId = self.options.ids[-1]
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elif self.options.anchor_node == "LARGEST": # largest
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anchor_nodeId = None
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largestArea = 0
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for nodeId, node in self.svg.selected.items():
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nodeArea = BoundingBoxArea(node)
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if nodeArea > largestArea:
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anchor_nodeId = nodeId
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largestArea = nodeArea
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anchorBBox = self.svg.selected[anchor_nodeId].bounding_box()
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# calculate the offsets in mm
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insetH = self.svg.unittouu("{0}mm".format(self.options.inset_x))
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insetV = self.svg.unittouu("{0}mm".format(self.options.inset_y))
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otherNodes = [n for i, n in self.svg.selected.items() if i != anchor_nodeId]
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# for every other Node
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for node in otherNodes:
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bbox = node.bounding_box()
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# sort out vertical offset
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deltaV = (anchorBBox.top - bbox.top) + insetV # ALIGN TOP
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if self.options.relative_to_v in "BOTTOM":
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deltaV = (anchorBBox.bottom - bbox.bottom) - insetV # ALIGN BOTTOM
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if self.options.relative_to_v == "CENTRE":
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deltaV = (anchorBBox.top + anchorBBox.height/2 - bbox.height/2) - bbox.top # ALIGN CENTRE
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# sort out the horizontal offset
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deltaH = (anchorBBox.left - bbox.left) + insetH # ALIGN LEFT
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if self.options.relative_to_h == "RIGHT":
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deltaH = (anchorBBox.right - bbox.right) - insetH # ALIGN RIGHT
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if self.options.relative_to_h == "MIDDLE":
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deltaH = (anchorBBox.left + anchorBBox.width/2 - bbox.width/2) - bbox.left # ALIGN MIDDLE
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tform = inkex.Transform("translate({0}, {1})".format(deltaH, deltaV))
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node.transform = tform * node.transform
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if __name__ == '__main__':
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InsetAlignment().run()
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