kopia lustrzana https://github.com/inkstitch/inkstitch
65 wiersze
2.4 KiB
Python
65 wiersze
2.4 KiB
Python
# Authors: see git history
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#
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# Copyright (c) 2024 Authors
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# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
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from inkex import Boolean, DirectedLineSegment
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from ..commands import add_commands
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from ..svg import PIXELS_PER_MM
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from .base import InkstitchExtension
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class JumpToTrim(InkstitchExtension):
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"""Adds a trim command to avoid jump stitches."""
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def __init__(self, *args, **kwargs):
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InkstitchExtension.__init__(self, *args, **kwargs)
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self.arg_parser.add_argument("--tab")
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self.arg_parser.add_argument("-i", "--minimum-jump-length", type=float, default=3.0, dest="min_jump")
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self.arg_parser.add_argument("-a", "--maximum-jump-length", type=float, default=0, dest="max_jump")
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self.arg_parser.add_argument("-t", "--use-command-symbols", type=Boolean, default=False, dest="use_command_symbols")
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def effect(self):
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self._set_selection()
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self.get_elements()
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last_element = None
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last_stitch_group = None
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for element in self.elements:
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stitch_groups = element.to_stitch_groups(last_stitch_group)
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for stitch_group in stitch_groups:
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if last_stitch_group is None or stitch_group.color != last_stitch_group.color:
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last_stitch_group = stitch_group
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continue
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start = last_stitch_group.stitches[-1]
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end = stitch_group.stitches[0]
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last_stitch_group = stitch_group
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line = DirectedLineSegment((start.x, start.y), (end.x, end.y))
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# do not add a running stitch if the distance is smaller than min_jump setting
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if line.length < self.options.min_jump * PIXELS_PER_MM:
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continue
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# do not add a running stitch if the distance is longer than max_jump setting
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if self.options.max_jump > 0 and line.length > self.options.max_jump * PIXELS_PER_MM:
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continue
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self._add_trim(last_element)
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last_element = element
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def _add_trim(self, element):
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if self.options.use_command_symbols:
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add_commands(element, ["trim"])
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else:
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element.node.set('inkstitch:trim_after', True)
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def _set_selection(self):
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if not self.svg.selection:
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self.svg.selection.clear()
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if __name__ == '__main__':
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JumpToTrim().run()
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