kopia lustrzana https://github.com/inkstitch/inkstitch
128 wiersze
5.3 KiB
Python
128 wiersze
5.3 KiB
Python
import os
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import sys
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import inkex
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import simpletransform
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import cubicsuperpath
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from random import random
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from shapely import geometry as shgeo
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from .commands import CommandsExtension
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from ..commands import OBJECT_COMMANDS, get_command_description
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from ..i18n import _
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from ..elements import SatinColumn
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from ..svg.tags import *
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from ..svg import get_correction_transform
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class ObjectCommands(CommandsExtension):
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COMMANDS = OBJECT_COMMANDS
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def add_connector(self, symbol, element):
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# I'd like it if I could position the connector endpoint nicely but inkscape just
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# moves it to the element's center immediately after the extension runs.
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start_pos = (symbol.get('x'), symbol.get('y'))
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end_pos = element.shape.centroid
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path = inkex.etree.Element(SVG_PATH_TAG,
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{
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"id": self.uniqueId("connector"),
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"d": "M %s,%s %s,%s" % (start_pos[0], start_pos[1], end_pos.x, end_pos.y),
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"style": "stroke:#000000;stroke-width:1px;stroke-opacity:0.5;fill:none;",
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CONNECTION_START: "#%s" % symbol.get('id'),
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CONNECTION_END: "#%s" % element.node.get('id'),
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CONNECTOR_TYPE: "polyline",
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# l10n: the name of the line that connects a command to the object it applies to
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INKSCAPE_LABEL: _("connector")
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}
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)
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symbol.getparent().insert(0, path)
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def get_command_pos(self, element, index, total):
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# Put command symbols 30 pixels out from the shape, spaced evenly around it.
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# get a line running 30 pixels out from the shape
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outline = element.shape.buffer(30).exterior
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# pick this item's spot arond the outline and perturb it a bit to avoid
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# stacking up commands if they run the extension multiple times
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position = index / float(total)
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position += random() * 0.1
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return outline.interpolate(position, normalized=True)
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def remove_legacy_param(self, element, command):
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if command == "trim" or command == "stop":
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# If they had the old "TRIM after" or "STOP after" attributes set,
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# automatically delete them. THe new commands will do the same
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# thing.
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#
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# If we didn't delete these here, then things would get confusing.
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# If the user were to delete a "trim" symbol added by this extension
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# but the "embroider_trim_after" attribute is still set, then the
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# trim would keep happening.
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attribute = "embroider_%s_after" % command
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if attribute in element.node.attrib:
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del element.node.attrib[attribute]
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def add_commands(self, element, commands):
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for i, command in enumerate(commands):
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self.remove_legacy_param(element, command)
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pos = self.get_command_pos(element, i, len(commands))
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group = inkex.etree.SubElement(element.node.getparent(), SVG_GROUP_TAG,
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{
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"id": self.uniqueId("group"),
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INKSCAPE_LABEL: _("Ink/Stitch Command") + ": %s" % get_command_description(command),
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"transform": get_correction_transform(element.node)
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}
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)
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symbol = inkex.etree.SubElement(group, SVG_USE_TAG,
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{
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"id": self.uniqueId("use"),
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XLINK_HREF: "#inkstitch_%s" % command,
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"height": "100%",
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"width": "100%",
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"x": str(pos.x),
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"y": str(pos.y),
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# l10n: the name of a command symbol (example: scissors icon for trim command)
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INKSCAPE_LABEL: _("command marker"),
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}
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)
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self.add_connector(symbol, element)
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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 objects to which to attach commands."))
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return
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self.svg = self.document.getroot()
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commands = [command for command in self.COMMANDS if getattr(self.options, command)]
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if not commands:
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inkex.errormsg(_("Please choose one or more commands to attach."))
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return
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for command in commands:
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self.ensure_symbol(command)
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# Each object (node) in the SVG may correspond to multiple Elements of different
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# types (e.g. stroke + fill). We only want to process each one once.
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seen_nodes = set()
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for element in self.elements:
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if element.node not in seen_nodes:
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self.add_commands(element, commands)
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seen_nodes.add(element.node)
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