99 lines
3.9 KiB
Python
Executable file
99 lines
3.9 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Copyright (C) 2007-2011 Rob Antonishen; rob.antonishen@gmail.com
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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import random
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import inkex
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from inkex.utils import KeyDict
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from inkex import SvgDocumentElement
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from inkex.localization import inkex_gettext as _
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# Old settings, supported because users click 'ok' without looking.
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XAN = KeyDict({"l": "left", "r": "right", "m": "center_x"})
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YAN = KeyDict({"t": "top", "b": "bottom", "m": "center_y"})
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CUSTOM_DIRECTION = {270: "tb", 90: "bt", 0: "lr", 360: "lr", 180: "rl"}
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class Restack(inkex.EffectExtension):
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"""Change the z-order of objects based on their position on the canvas"""
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restack_help = staticmethod(lambda: None)
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def add_arguments(self, pars):
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pars.add_argument(
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"--tab", type=self.arg_method("restack"), default=self.restack_positional
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)
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pars.add_argument("--direction", default="lr", help="direction to restack")
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pars.add_argument("--angle", type=float, default=0.0, help="arbitrary angle")
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pars.add_argument("--xanchor", default="l", help="horizontal point to compare")
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pars.add_argument("--yanchor", default="t", help="vertical point to compare")
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pars.add_argument(
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"--zsort", default="rev", help="Restack mode based on Z-Order"
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)
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pars.add_argument("--nb_direction", default="", help="Direction tab")
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def effect(self):
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if not self.svg.selection:
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raise inkex.AbortExtension(_("There is no selection to restack."))
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# process selection to get list of objects to be arranged
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parentnode = None
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for node in self.svg.selection.filter(SvgDocumentElement):
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parentnode = node
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self.svg.set_selection(*list(node))
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if parentnode is None:
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parentnode = self.svg.get_current_layer()
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self.options.tab(parentnode)
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def restack_positional(self, parentnode):
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"""Restack based on canvas position"""
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# move them to the top of the object stack in this order.
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for node in sorted(self.svg.selection.values(), key=self._sort):
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parentnode.append(node)
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return True
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def _sort(self, node):
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x, y = self.options.xanchor, self.options.yanchor
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selbox = self.svg.selection.bounding_box()
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direction = self.options.direction
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if "custom" in self.options.nb_direction:
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direction = self.options.angle
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return node.bounding_box().get_anchor(x, y, direction, selbox)
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def restack_z_order(self, parentnode):
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"""Restack based on z-order"""
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objects = list(self.svg.selection.rendering_order())
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if self.options.zsort == "rev":
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objects.reverse()
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elif self.options.zsort == "rand":
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random.shuffle(objects)
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if parentnode is not None:
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for item in objects:
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parentnode.append(item)
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return True
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if __name__ == "__main__":
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Restack().run()
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