kopia lustrzana https://github.com/inkstitch/inkstitch
80 wiersze
2.4 KiB
Python
80 wiersze
2.4 KiB
Python
# Authors: see git history
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#
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# Copyright (c) 2022 Authors
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# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
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from copy import deepcopy
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from os import path
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import inkex
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from shapely import geometry as shgeo
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from .svg.tags import EMBROIDERABLE_TAGS
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from .utils import cache, get_bundled_dir
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MARKER = ['pattern', 'guide-line']
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def ensure_marker(svg, marker):
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marker_path = ".//*[@id='inkstitch-%s-marker']" % marker
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if svg.defs.find(marker_path) is None:
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svg.defs.append(deepcopy(_marker_svg().defs.find(marker_path)))
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@cache
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def _marker_svg():
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marker_path = path.join(get_bundled_dir("symbols"), "marker.svg")
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with open(marker_path) as marker_file:
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return inkex.load_svg(marker_file).getroot()
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def set_marker(node, position, marker):
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ensure_marker(node.getroottree().getroot(), marker)
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# attach marker to node
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style = node.get('style') or ''
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style = style.split(";")
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style = [i for i in style if not i.startswith('marker-%s' % position)]
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style.append('marker-%s:url(#inkstitch-%s-marker)' % (position, marker))
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node.set('style', ";".join(style))
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def get_marker_elements(node, marker, get_fills=True, get_strokes=True):
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from .elements import EmbroideryElement
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from .elements.stroke import Stroke
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fills = []
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strokes = []
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xpath = "./parent::svg:g/*[contains(@style, 'marker-start:url(#inkstitch-%s-marker)')]" % marker
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markers = node.xpath(xpath, namespaces=inkex.NSS)
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for marker in markers:
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if marker.tag not in EMBROIDERABLE_TAGS:
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continue
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element = EmbroideryElement(marker)
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fill = element.get_style('fill')
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stroke = element.get_style('stroke')
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if get_fills and fill is not None:
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fill = Stroke(marker).paths
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linear_rings = [shgeo.LinearRing(path) for path in fill]
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for ring in linear_rings:
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fills.append(shgeo.Polygon(ring))
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if get_strokes and stroke is not None:
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stroke = Stroke(marker).paths
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line_strings = [shgeo.LineString(path) for path in stroke]
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strokes.append(shgeo.MultiLineString(line_strings))
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return {'fill': fills, 'stroke': strokes}
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def has_marker(node, marker=list()):
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if not marker:
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marker = MARKER
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for m in marker:
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style = node.get('style') or ''
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if "marker-start:url(#inkstitch-%s-marker)" % m in style:
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return True
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return False
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