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# Authors: see git history
#
# Copyright (c) 2021 Authors
# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
import inkex
from lxml import etree
from ..i18n import _
from ..svg.tags import EMBROIDERABLE_TAGS, SVG_DEFS_TAG
from .base import InkstitchExtension
class SelectionToPattern(InkstitchExtension):
def effect(self):
if not self.get_elements():
return
if not self.svg.selected:
inkex.errormsg(_("Please select at least one object to be marked as a pattern."))
return
for pattern in self.get_nodes():
if pattern.tag in EMBROIDERABLE_TAGS:
self.set_marker(pattern)
def set_marker(self, node):
xpath = ".//marker[@id='inkstitch-pattern-marker']"
pattern_marker = self.document.xpath(xpath)
if not pattern_marker:
# get or create def element
defs = self.document.find(SVG_DEFS_TAG)
if defs is None:
defs = etree.SubElement(self.document, SVG_DEFS_TAG)
# insert marker
marker = """<marker
refX="10"
refY="5"
orient="auto"
id="inkstitch-pattern-marker">
<g
id="inkstitch-pattern-group">
<path
style="fill:#fafafa;stroke:#ff5500;stroke-width:0.5;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:1, 1;stroke-dashoffset:0;stroke-opacity:1;fill-opacity:0.8;"
d="M 10.12911,5.2916678 A 4.8374424,4.8374426 0 0 1 5.2916656,10.12911 4.8374424,4.8374426 0 0 1 0.45422399,5.2916678 4.8374424,4.8374426 0 0 1 5.2916656,0.45422399 4.8374424,4.8374426 0 0 1 10.12911,5.2916678 Z"
id="inkstitch-pattern-marker-circle" />
<path
style="fill:none;stroke:#000000;stroke-width:0.4;stroke-linecap:round;stroke-miterlimit:4;"
id="inkstitch-pattern-marker-spiral"
d="M 4.9673651,5.7245662 C 4.7549848,5.7646159 4.6247356,5.522384 4.6430021,5.3419847 4.6765851,5.0103151 5.036231,4.835347 5.3381858,4.8987426 5.7863901,4.9928495 6.0126802,5.4853625 5.9002872,5.9065088 5.7495249,6.4714237 5.1195537,6.7504036 4.5799191,6.5874894 3.898118,6.3816539 3.5659013,5.6122905 3.7800789,4.9545192 4.0402258,4.1556558 4.9498996,3.7699484 5.7256318,4.035839 6.6416744,4.3498087 7.0810483,5.4003986 6.7631909,6.2939744 6.395633,7.3272552 5.2038143,7.8204128 4.1924535,7.4503931 3.0418762,7.0294421 2.4948761,5.6961604 2.9171752,4.567073 3.3914021,3.2991406 4.8663228,2.6982592 6.1130974,3.1729158 7.4983851,3.7003207 8.1531869,5.3169977 7.6260947,6.6814205 7.0456093,8.1841025 5.2870784,8.8928844 3.8050073,8.3132966 2.1849115,7.6797506 1.4221671,5.7793073 2.0542715,4.1796074 2.7408201,2.4420977 4.7832541,1.6253548 6.5005435,2.310012 8.3554869,3.0495434 9.2262638,5.2339874 8.4890181,7.0688861 8.4256397,7.2266036 8.3515789,7.379984 8.2675333,7.5277183" />
</g>
</marker>""" # noqa: E501
defs.append(etree.fromstring(marker))
# attach marker to node
style = node.get('style') or ''
style = style.split(";")
style = [i for i in style if not i.startswith('marker-start')]
style.append('marker-start:url(#inkstitch-pattern-marker)')
node.set('style', ";".join(style))
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