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mightyscape-0.92-deprecated/extensions/fablabchemnitz_cleanup.py
2019-11-14 20:09:28 +01:00

86 lines
3.5 KiB
Python

#! /usr/bin/env python
'''
Copyright (C) 2013 Matthew Dockrey (gfish @ cyphertext.net)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Based on coloreffect.py by Jos Hirth and Aaron C. Spike
'''
import inkex
import simplestyle, sys
class Cleanup(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("-s", "--stroke",
action="store", type="float",
dest="stroke", default=0.5,
help="Stroke weight")
self.OptionParser.add_option("-o", "--opacity",
action="store", type="float",
dest="opacity", default="100.0",
help="Opacity")
def effect(self):
if len(self.selected)==0:
self.getAttribs(self.document.getroot())
else:
for id,node in self.selected.iteritems():
self.getAttribs(node)
def getAttribs(self,node):
self.changeStyle(node)
for child in node:
self.getAttribs(child)
def changeStyle(self,node):
if node.attrib.has_key('style'):
# References for style attribute:
# http://www.w3.org/TR/SVG11/styling.html#StyleAttribute,
# http://www.w3.org/TR/CSS21/syndata.html
#
# The SVG spec is ambiguous as to how style attributes should be parsed.
# For example, it isn't clear whether semicolons are allowed to appear
# within strings or comments, or indeed whether comments are allowed to
# appear at all.
#
# The processing here is just something simple that should usually work,
# without trying too hard to get everything right.
# (Won't work for the pathalogical case that someone escapes a property
# name, probably does the wrong thing if colon or semicolon is used inside
# a comment or string value.)
style = node.get('style') # fixme: this will break for presentation attributes!
if style:
#inkex.debug('old style:'+style)
declarations = style.split(';')
for i,decl in enumerate(declarations):
parts = decl.split(':', 2)
if len(parts) == 2:
(prop, val) = parts
prop = prop.strip().lower()
if prop == 'stroke-width':
new_val = str(self.options.stroke)
declarations[i] = prop + ':' + new_val
if prop == 'opacity':
new_val = str(self.options.opacity / 100)
declarations[i] = prop + ':' + new_val
#inkex.debug('new style:'+';'.join(declarations))
node.set('style', ';'.join(declarations))
if __name__ == '__main__':
e = Cleanup()
e.affect()