69 lines
2.5 KiB
Python
69 lines
2.5 KiB
Python
#! /usr/bin/env python3
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'''
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Copyright (C) 2019 Grant Patterson <grant@revoltlabs.co>
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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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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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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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'''
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import gettext
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import sys
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import inkex
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import rotate_helper
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from inkex import Transform
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import copy
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debug = False
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error = lambda msg: inkex.errormsg(gettext.gettext(msg))
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if debug:
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stderr = lambda msg: sys.stderr.write(msg + '\n')
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else:
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stderr = lambda msg: None
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class RotationsFindAllOptimal(inkex.EffectExtension):
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def effect(self):
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def duplicateNodes(aList):
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clones={}
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for id,node in aList.items():
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clone=copy.deepcopy(node)
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#!!!--> should it be given an id?
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#seems to work without this!?!
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myid = node.tag.split('}')[-1]
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clone.set("id", self.svg.get_unique_id(myid))
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node.getparent().append(clone)
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clones[clone.get("id")]=clone
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return(clones)
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for nid, node in self.svg.selected.items():
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# set() removes duplicates
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angles = set(
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# and remove Nones
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[x for x in rotate_helper.optimal_rotations(node)
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if x is not None])
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# Go backwards so we know if we need to duplicate the node for
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# multiple rotations. (We don't want to rotate the main node
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# before duplicating it.)
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for i, angle in reversed(list(enumerate(angles))):
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if i > 0:
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# Rotate a duplicate of the node
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rotate_node = list(duplicateNodes({nid: node}).items())[0][1]
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else:
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rotate_node = node
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rotate_node.transform = rotate_helper.rotate_matrix(rotate_node, angle) * rotate_node.transform
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if __name__ == '__main__':
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RotationsFindAllOptimal().run() |