inkstitch/lib/extensions/input.py

58 wiersze
2.2 KiB
Python

import os
import pyembroidery
from inkex import etree
import inkex
from ..stitch_plan import StitchPlan
from ..svg import PIXELS_PER_MM, render_stitch_plan
from ..svg.tags import INKSCAPE_LABEL
class Input(object):
def affect(self, args):
embroidery_file = args[0]
pattern = pyembroidery.read(embroidery_file)
stitch_plan = StitchPlan()
color_block = None
for raw_stitches, thread in pattern.get_as_colorblocks():
color_block = stitch_plan.new_color_block(thread)
for x, y, command in raw_stitches:
if command == pyembroidery.STITCH:
color_block.add_stitch(x * PIXELS_PER_MM / 10.0, y * PIXELS_PER_MM / 10.0)
if len(color_block) > 0:
if command == pyembroidery.TRIM:
color_block.add_stitch(trim=True)
elif command == pyembroidery.STOP:
color_block.add_stitch(stop=True)
color_block = stitch_plan.new_color_block(thread)
stitch_plan.delete_empty_color_blocks()
if stitch_plan.last_color_block:
if stitch_plan.last_color_block.last_stitch:
if stitch_plan.last_color_block.last_stitch.stop:
# ending with a STOP command is redundant, so remove it
del stitch_plan.last_color_block[-1]
extents = stitch_plan.extents
svg = etree.Element("svg", nsmap=inkex.NSS, attrib={
"width": str(extents[0] * 2),
"height": str(extents[1] * 2),
"viewBox": "0 0 %s %s" % (extents[0] * 2, extents[1] * 2),
})
render_stitch_plan(svg, stitch_plan)
# rename the Stitch Plan layer so that it doesn't get overwritten by Embroider
layer = svg.find(".//*[@id='__inkstitch_stitch_plan__']")
layer.set(INKSCAPE_LABEL, os.path.basename(embroidery_file.decode("UTF-8")))
layer.attrib.pop('id')
# Shift the design so that its origin is at the center of the canvas
# Note: this is NOT the same as centering the design in the canvas!
layer.set('transform', 'translate(%s,%s)' % (extents[0], extents[1]))
print etree.tostring(svg)