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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 ..elements import SatinColumn
from ..i18n import _
from ..svg.tags import INKSTITCH_ATTRIBS, SVG_DEFS_TAG
from .base import InkstitchExtension
class ApplySatinPattern(InkstitchExtension):
# Add inkstitch:pattern attribute to selected patterns. The patterns will be projected on a satin column, which must be in the selection too
def effect(self):
if not self.get_elements():
return
if not self.svg.selected or not any(isinstance(item, SatinColumn) for item in self.elements) or len(self.svg.selected) < 2:
inkex.errormsg(_("Please select at least one satin column and a pattern."))
return
if sum(isinstance(item, SatinColumn) for item in self.elements) > 1:
inkex.errormsg(_("Please select only one satin column."))
return
satin_id = self.get_satin_column().node.get('id', None)
patterns = self.get_patterns()
for pattern in patterns:
pattern.node.set(INKSTITCH_ATTRIBS['pattern'], satin_id)
self.set_marker(pattern.node)
def get_satin_column(self):
return list(filter(lambda satin: isinstance(satin, SatinColumn), self.elements))[0]
def get_patterns(self):
return list(filter(lambda satin: not isinstance(satin, SatinColumn), self.elements))
def set_marker(self, node):
document = node.getroottree().getroot()
xpath = ".//marker[@id='inkstitch-pattern-marker']"
pattern_marker = document.xpath(xpath)
if not pattern_marker:
# get or create def element
defs = document.find(SVG_DEFS_TAG)
if defs is None:
defs = etree.SubElement(document, SVG_DEFS_TAG)
# insert marker
marker = """<marker
refX="5"
refY="2.5"
orient="auto"
id="inkstitch-pattern-marker">
<g
id="inkstitch-pattern-group">
<path
style="fill:#fafafa;stroke:#ffbe00;stroke-width:0.3;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:1, 0.5;stroke-dashoffset:0;stroke-opacity:1"
d="m 5.05952,2.58154 c 0,1.35905 -1.10173,2.4608 -2.46079,2.4608 -1.35905,0 -2.46079,-1.10175 -2.46079,-2.4608 0,-0.65262 0.259271,-1.27856 0.720751,-1.74004 C 1.32018,0.38002 1.94609,0.120749 2.59873,0.120749 c 1.35906,0 2.46079,1.101751 2.46079,2.460791 z"
id="inkstitch-pattern-marker-circle" />
<path
style="fill:none;stroke:#000000;stroke-width:0.1;stroke-linecap:round;stroke-miterlimit:4;"
id="inkstitch-pattern-marker-spiral"
d="M 2.45807,2.80588 C 2.35923,2.84009 2.28168,2.72985 2.27863,2.64621 2.27369,2.48274 2.43336,2.37629 2.58086,2.3877 2.8006,2.40291 2.94012,2.6234 2.91389,2.83249 2.87853,3.11001 2.59683,3.28488 2.3292,3.24307 1.99161,3.18604 1.78366,2.84389 1.84297,2.51695 1.9152,2.11778 2.32311,1.87448 2.70974,1.95431 3.16593,2.04175 3.44307,2.51315 3.34955,2.96175 3.24121,3.47497 2.70594,3.7867 2.2007,3.67645 1.62589,3.551 1.27919,2.95034 1.4073,2.3877 1.551,1.75283 2.21439,1.37266 2.83823,1.51713 3.53165,1.67679 3.94793,2.40671 3.78522,3.0872 3.60616,3.83992 2.81504,4.29232 2.07221,4.11364 1.26018,3.91595 0.773949,3.06059 0.971634,2.25844 1.18605,1.38787 2.10528,0.867047 2.96711,1.07994 3.89775,1.31184 4.45317,2.29646 4.22089,3.21645 4.20112,3.29629 4.17565,3.37612 4.14523,3.45216" />
</g>
</marker>""" # noqa: E501
defs.append(etree.fromstring(marker))
# attach marker to node
style = node.get('style', '').split(";")
import sys
print(style, file=sys.stderr)
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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