kopia lustrzana https://github.com/inkstitch/inkstitch
Kaalleen
GitHub
rodzic
23c2bf446a
commit
be66297da6
lib
extensions
lettering
templates
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@ -4,7 +4,8 @@
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# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
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import networkx as nx
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from inkex import Group, Path, PathElement, errormsg
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from inkex import Boolean, Group, Path, PathElement, errormsg
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from inkex.paths.lines import Line
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from shapely import length, unary_union
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from shapely.geometry import LineString, MultiLineString, Point
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from shapely.ops import linemerge, nearest_points, substring
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@ -24,10 +25,12 @@ class Redwork(InkstitchExtension):
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InkstitchExtension.__init__(self, *args, **kwargs)
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self.arg_parser.add_argument("--notebook")
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self.arg_parser.add_argument("-c", "--combine", dest="combine", type=Boolean, default=False)
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self.arg_parser.add_argument("-m", "--merge_distance", dest="merge_distance", type=float, default=0.5)
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self.arg_parser.add_argument("-p", "--minimum_path_length", dest="minimum_path_length", type=float, default=0.5)
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self.arg_parser.add_argument("-s", "--redwork_running_stitch_length_mm", dest="redwork_running_stitch_length_mm", type=float, default=2.5)
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self.arg_parser.add_argument("-b", "--redwork_bean_stitch_repeats", dest="redwork_bean_stitch_repeats", type=str, default='0')
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self.arg_parser.add_argument("-k", "--keep_originals", dest="keep_originals", type=Boolean, default=False)
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self.elements = None
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self.graph = None
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@ -57,9 +60,15 @@ class Redwork(InkstitchExtension):
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multi_line_string = self._ensure_starting_point(multi_line_string, starting_point)
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self._build_graph(multi_line_string)
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redwork_group = self._create_redwork_group()
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self._generate_strongly_connected_components()
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self._generate_eulerian_circuits()
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self._eulerian_circuits_to_elements(elements)
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self._eulerian_circuits_to_elements(redwork_group, elements)
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# remove input elements
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if not self.options.keep_originals:
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for element in elements:
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element.node.getparent().remove(element.node)
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def _ensure_starting_point(self, multi_line_string, starting_point):
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# returns a MultiLineString whose first LineString starts close to starting_point
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@ -92,55 +101,69 @@ class Redwork(InkstitchExtension):
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# return the first occurence directly
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return command.target_point
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def _eulerian_circuits_to_elements(self, elements):
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node = elements[0].node
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index = node.getparent().index(node)
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style = node.style
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transform = get_correction_transform(node)
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nb_circuits = len(self.eulerian_circuit)
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def _create_redwork_group(self):
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node = self.svg.selection.rendering_order()[-1]
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parent = node.getparent()
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index = parent.index(node) + 1
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# create redwork group
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redwork_group = Group()
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redwork_group.label = _("Redwork Group")
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node.getparent().insert(index, redwork_group)
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parent.insert(index, redwork_group)
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return redwork_group
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def _eulerian_circuits_to_elements(self, redwork_group, elements):
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combine_all = self.options.combine and self.options.redwork_bean_stitch_repeats == '0'
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node = elements[0].node
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style = node.style
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transform = get_correction_transform(self.svg.selection.rendering_order()[0])
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# insert lines grouped by underpath and top layer
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visited_lines = []
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i = 1
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for circuit in self.eulerian_circuit:
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previous_element_type = False
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connected_group = Group()
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connected_group.label = _("Connected Group")
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if len(self.eulerian_circuit) > 1:
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redwork_group.insert(i, connected_group)
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group = connected_group
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else:
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group = redwork_group
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path = ''
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for edge in circuit:
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linestring = self.graph.get_edge_data(edge[0], edge[1], edge[2])['path']
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if length(linestring) < self.minimum_path_length:
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continue
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if length(linestring) > self.minimum_path_length:
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current_line = linestring
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if current_line in visited_lines:
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path_id = self.svg.get_unique_id('redwork_')
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label = _("Redwork") + f' {i}'
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redwork = True
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if linestring in visited_lines:
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redwork = True
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else:
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redwork = False
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visited_lines.append(linestring.reverse())
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else:
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path_id = self.svg.get_unique_id('underpath_')
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label = _("Redwork Underpath") + f' {i}'
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visited_lines.append(current_line.reverse())
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redwork = False
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current_path = Path(list(linestring.coords))
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if not self.options.combine or (not combine_all and previous_element_type != redwork):
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if path:
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self._insert_element(i, path, group, style, transform, previous_element_type)
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i += 1
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path = str(current_path)
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else:
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if path:
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current_path[0] = Line(current_path[0].x, current_path[0].y)
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path += str(current_path)
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previous_element_type = redwork
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if path:
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self._insert_element(i, path, group, style, transform, redwork)
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path = str(Path(list(current_line.coords)))
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if nb_circuits > 1:
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redwork_group.insert(i, connected_group)
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self._insert_element(path, connected_group, style, transform, label, path_id, redwork)
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else:
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self._insert_element(path, redwork_group, style, transform, label, path_id, redwork)
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i += 1
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# remove input elements
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for element in elements:
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element.node.getparent().remove(element.node)
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def _insert_element(self, path, group, style, transform, label, path_id, redwork=True):
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def _insert_element(self, index, path, group, style, transform, redwork=True):
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if redwork:
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path_id = self.svg.get_unique_id('redwork_')
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label = _("Redwork") + f' {index}'
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else:
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path_id = self.svg.get_unique_id('underpath_')
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label = _("Redwork Underpath") + f' {index}'
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element = PathElement(
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id=path_id,
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@ -577,7 +577,7 @@ class Font(object):
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group.append(color_group)
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def _get_color_sorted_elements(self, group, transform_key):
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def _get_color_sorted_elements(self, group, transform_key): # noqa: 901
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elements_by_color = defaultdict(list)
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last_parent = None
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@ -15,10 +15,15 @@
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<param name="redwork_running_stitch_length_mm" type="float" precision="2" min="0" max="500"
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gui-text="Redwork stitch length (mm)"
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gui-description="set redwork stitch length">2.5</param>
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<param name="redwork_bean_stitch_repeats" type="string" precision="0" min="0" max="500"
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<param name="redwork_bean_stitch_repeats" type="string"
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gui-text="Redwork bean stitch number of repeats"
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gui-description="Redwork bean stitch number of repeats">0</param>
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<spacer />
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<separator />
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<spacer />
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<param name="combine" type="boolean" gui-text="Combine elements"
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gui-description="Combine consecutive elements of same type">false</param>
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<param name="keep_originals" type="boolean" gui-text="Keep original paths">false</param>
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</page>
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<page name="info" gui-text="Help">
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<label>Redwork embroidery is a stroke art embroidery which passes every line exactly twice.</label>
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