44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
#!/usr/bin/env python3
|
|
|
|
'''
|
|
Extension for InkScape 1.0
|
|
Features
|
|
- This tool is a helper to adjust the document border including an offset value, which is added.
|
|
Sending vector data to Epilog Dashboard often results in trimmed paths. This leads to wrong geometry where the laser misses to cut them.
|
|
So we add a default (small) amount of 1.0 doc units to expand the document's canvas
|
|
|
|
Author: Mario Voigt / FabLab Chemnitz
|
|
Mail: mario.voigt@stadtfabrikanten.org
|
|
Date: 21.04.2021
|
|
Last patch: 21.04.2021
|
|
License: GNU GPL v3
|
|
'''
|
|
|
|
import inkex
|
|
from inkex import Transform
|
|
|
|
class BBoxAdjust(inkex.EffectExtension):
|
|
|
|
def effect(self):
|
|
offset = 1.0 #in documents' units
|
|
|
|
# create a new bounding box and get the bbox size of all elements of the document (we cannot use the page's bbox)
|
|
bbox = inkex.BoundingBox()
|
|
for element in self.svg.root.getchildren():
|
|
if isinstance (element, inkex.ShapeElement):
|
|
bbox += element.bounding_box()
|
|
|
|
# adjust the viewBox to the bbox size and add the desired offset
|
|
# note from 07.05.2021: seems if the following order is viewBox/width/height, or width/height/viewBox, the units are not respected. So me mess around a little bit
|
|
self.document.getroot().attrib['width'] = f'{bbox.width + offset * 2}' + self.svg.unit
|
|
self.document.getroot().attrib['viewBox'] = f'{-offset} {-offset} {bbox.width + offset * 2} {bbox.height + offset * 2}'
|
|
self.document.getroot().attrib['height'] = f'{bbox.height + offset * 2}' + self.svg.unit
|
|
|
|
# translate all elements to fit the adjusted viewBox
|
|
mat = Transform("translate(%f, %f)" % (-bbox.left,-bbox.top)).matrix
|
|
for element in self.svg.root.getchildren():
|
|
if isinstance (element, inkex.ShapeElement):
|
|
element.transform = Transform(mat) * element.transform
|
|
|
|
if __name__ == '__main__':
|
|
BBoxAdjust().run() |