kopia lustrzana https://github.com/inkstitch/inkstitch
96 wiersze
3.1 KiB
Python
96 wiersze
3.1 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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from inkex import NSS, Style, load_svg
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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 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.style
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style += Style(f'marker-{ position }:url(#inkstitch-{ marker }-marker)')
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node.set('style', style)
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def get_marker_elements(node, marker, get_fills=True, get_strokes=True, get_satins=False):
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from .elements import EmbroideryElement
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from .elements.fill_stitch import FillStitch
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from .elements.satin_column import SatinColumn
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from .elements.stroke import Stroke
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fills = []
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strokes = []
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satins = []
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# do not close marker-start:url(
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# if the marker group has been copied and pasted in Inkscape it may have been duplicated with an updated id (e.g. -4)
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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=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 = FillStitch(marker).shape
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fills.append(fill)
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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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if get_satins and stroke is not None:
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satin = SatinColumn(marker)
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if len(satin.rails) == 2:
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satins.append(satin)
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return {'fill': fills, 'stroke': strokes, 'satin': satins}
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def get_marker_elements_cache_key_data(node, marker):
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marker_elements = get_marker_elements(node, marker, True, True, True)
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marker_elements['fill'] = [shape.wkt for shape in marker_elements['fill']]
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marker_elements['stroke'] = [shape.wkt for shape in marker_elements['stroke']]
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marker_elements['satin'] = [satin.csp for satin in marker_elements['satin']]
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return marker_elements
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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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