100 lines
2.9 KiB
Python
100 lines
2.9 KiB
Python
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# -*- coding: utf-8 -*-
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from copy import deepcopy
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from pathlib import Path
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import logging
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import math
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import os
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import inkex
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import inkex.command
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from lxml import etree
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from scour.scour import scourString
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logger = logging.getLogger(__name__)
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GROUP_ID = 'export_selection_transform'
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class ExportObject(inkex.EffectExtension):
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def add_arguments(self, pars):
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pars.add_argument("--wrap_transform", type=inkex.Boolean, default=False, help="Wrap final document in transform")
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pars.add_argument("--export_dir", default="~/inkscape_export/", help="Location to save exported documents")
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def effect(self):
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if not self.svg.selected:
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return
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export_dir = Path(self.absolute_href(self.options.export_dir))
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os.makedirs(export_dir, exist_ok=True)
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bbox = inkex.BoundingBox()
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for elem in self.svg.selected.values():
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transform = inkex.Transform()
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parent = elem.getparent()
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if parent is not None and isinstance(parent, inkex.ShapeElement):
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transform = parent.composed_transform()
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try:
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bbox += elem.bounding_box(transform)
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except Exception:
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logger.exception("Bounding box not computed")
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logger.info("Skipping bounding box")
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transform = elem.composed_transform()
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x1, y1 = transform.apply_to_point([0, 0])
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x2, y2 = transform.apply_to_point([1, 1])
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bbox += inkex.BoundingBox((x1, x2), (y1, y2))
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template = self.create_document()
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filename = None
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group = etree.SubElement(template, '{http://www.w3.org/2000/svg}g')
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group.attrib['id'] = GROUP_ID
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group.attrib['transform'] = str(inkex.Transform(((1, 0, -bbox.left), (0, 1, -bbox.top))))
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for elem in self.svg.selected.values():
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elem_copy = deepcopy(elem)
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elem_copy.attrib['transform'] = str(elem.composed_transform())
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group.append(elem_copy)
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width = math.ceil(bbox.width)
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height = math.ceil(bbox.height)
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template.attrib['viewBox'] = f'0 0 {width} {height}'
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template.attrib['width'] = f'{width}'
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template.attrib['height'] = f'{height}'
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if filename is None:
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filename = elem.attrib.get('id', None)
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if filename:
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filename = filename.replace(os.sep, '_') + '.svg'
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if not filename:
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filename = 'element.svg'
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template.append(group)
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if not self.options.wrap_transform:
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self.load(inkex.command.inkscape_command(template.tostring(), select=GROUP_ID, verbs=['SelectionUnGroup']))
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template = self.svg
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for child in template.getchildren():
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if child.tag == '{http://www.w3.org/2000/svg}metadata':
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template.remove(child)
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self.save_document(template, export_dir / filename)
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def create_document(self):
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document = self.svg.copy()
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for child in document.getchildren():
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if child.tag == '{http://www.w3.org/2000/svg}defs':
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continue
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document.remove(child)
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return document
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def save_document(self, document, filename):
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with open(filename, 'wb') as fp:
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document = document.tostring()
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fp.write(scourString(document).encode('utf8'))
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if __name__ == '__main__':
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ExportObject().run()
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