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mightyscape-1.1-deprecated/extensions/fablabchemnitz_boundingbox.py

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#!/usr/bin/env python3
import inkex
import math
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from lxml import etree
class DrawBBoxes(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.arg_parser.add_argument('--offset', type=float, default=0.0, help='Offset from object (all directions)')
self.arg_parser.add_argument('--box', type=inkex.Boolean, default=0.0, help='Draw boxes')
self.arg_parser.add_argument('--circle', type=inkex.Boolean, default=0.0, help='Draw circles')
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def effect(self):
if len(self.svg.selected) > 0:
bboxes = [(id, node, node.bounding_box()) for id, node in self.svg.selected.items()]
if self.options.box:
for id, node, bbox in bboxes:
attribs = {
'style' : str(inkex.Style({'stroke':'#ff0000','stroke-width' : '1','fill':'none'})),
'x' : str(bbox.left - self.options.offset),
'y' : str(bbox.top - self.options.offset),
'width' : str(bbox.width + 2 * self.options.offset),
'height': str(bbox.height + 2 * self.options.offset),
}
etree.SubElement(self.svg.get_current_layer(), inkex.addNS('rect','svg'), attribs )
if self.options.circle:
for id, node, bbox in bboxes:
attribs = {
'style': str(inkex.Style({'stroke':'#ff0000','stroke-width' : '1','fill':'none'})),
'cx' : str(bbox.center_x),
'cy' : str(bbox.center_y),
#'r' : str(bbox.width / 2 + self.options.offset),
'r' : str(math.sqrt((bbox.width + 2 * self.options.offset)* (bbox.width + 2 * self.options.offset) + (bbox.height + 2 * self.options.offset) * (bbox.height + 2 * self.options.offset)) / 2),
}
etree.SubElement(self.svg.get_current_layer(), inkex.addNS('circle','svg'), attribs )
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DrawBBoxes().run()