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from ..stitch_plan import patches_to_stitch_plan
from ..svg import render_stitch_plan
from .base import InkstitchExtension
class StitchPlanPreview(InkstitchExtension):
def effect(self):
# delete old stitch plan
svg = self.document.getroot()
layer = svg.find(".//*[@id='__inkstitch_stitch_plan__']")
if layer is not None:
del layer[:]
# create new stitch plan
if not self.get_elements():
return
realistic = False
self.metadata = self.get_inkstitch_metadata()
collapse_len = self.metadata['collapse_len_mm']
patches = self.elements_to_patches(self.elements)
stitch_plan = patches_to_stitch_plan(patches, collapse_len=collapse_len)
render_stitch_plan(svg, stitch_plan, realistic)
# translate stitch plan to the right side of the canvas
layer = svg.find(".//*[@id='__inkstitch_stitch_plan__']")
layer.set('transform', 'translate(%s)' % svg.get('viewBox', '0 0 800 0').split(' ')[2])
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