kopia lustrzana https://github.com/inkstitch/inkstitch
42 wiersze
1.1 KiB
Python
42 wiersze
1.1 KiB
Python
import sys
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import inkex
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import cubicsuperpath
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from shapely import geometry as shgeo
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from .base import InkstitchExtension
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from ..i18n import _
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from ..elements import SatinColumn
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class Flip(InkstitchExtension):
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def subpath_to_linestring(self, subpath):
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return shgeo.LineString()
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def flip(self, satin):
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csp = satin.path
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if len(csp) > 1:
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flattened = satin.flatten(csp)
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# find the rails (the two longest paths) and swap them
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indices = range(len(csp))
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indices.sort(key=lambda i: shgeo.LineString(flattened[i]).length, reverse=True)
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first = indices[0]
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second = indices[1]
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csp[first], csp[second] = csp[second], csp[first]
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satin.node.set("d", cubicsuperpath.formatPath(csp))
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def effect(self):
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if not self.get_elements():
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return
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if not self.selected:
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inkex.errormsg(_("Please select one or more satin columns to flip."))
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return
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for element in self.elements:
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if isinstance(element, SatinColumn):
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self.flip(element)
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